Initial commit. Added https://github.com/godotengine/godot-cpp/tree/3.x 7c09b5484de21 as a base, but without the submodule.

.clang-format

@@ -0,0 +1,128 @@
+# Commented out parameters are those with the same value as base LLVM style
+# We can uncomment them if we want to change their value, or enforce the
+# chosen value in case the base style changes (last sync: Clang 6.0.1).
+---
+### General config, applies to all languages ###
+BasedOnStyle:  LLVM
+AccessModifierOffset: -4
+AlignAfterOpenBracket: DontAlign
+# AlignConsecutiveAssignments: false
+# AlignConsecutiveDeclarations: false
+# AlignEscapedNewlines: Right
+# AlignOperands:   true
+AlignTrailingComments: false
+AllowAllParametersOfDeclarationOnNextLine: false
+# AllowShortBlocksOnASingleLine: false
+# AllowShortCaseLabelsOnASingleLine: false
+AllowShortFunctionsOnASingleLine: Inline
+# AllowShortIfStatementsOnASingleLine: false
+# AllowShortLoopsOnASingleLine: false
+# AlwaysBreakAfterDefinitionReturnType: None
+# AlwaysBreakAfterReturnType: None
+# AlwaysBreakBeforeMultilineStrings: false
+# AlwaysBreakTemplateDeclarations: false
+# BinPackArguments: true
+# BinPackParameters: true
+# BraceWrapping:
+#   AfterClass:      false
+#   AfterControlStatement: false
+#   AfterEnum:       false
+#   AfterFunction:   false
+#   AfterNamespace:  false
+#   AfterObjCDeclaration: false
+#   AfterStruct:     false
+#   AfterUnion:      false
+#   AfterExternBlock: false
+#   BeforeCatch:     false
+#   BeforeElse:      false
+#   IndentBraces:    false
+#   SplitEmptyFunction: true
+#   SplitEmptyRecord: true
+#   SplitEmptyNamespace: true
+# BreakBeforeBinaryOperators: None
+# BreakBeforeBraces: Attach
+# BreakBeforeInheritanceComma: false
+BreakBeforeTernaryOperators: false
+# BreakConstructorInitializersBeforeComma: false
+BreakConstructorInitializers: AfterColon
+# BreakStringLiterals: true
+ColumnLimit:     0
+# CommentPragmas:  '^ IWYU pragma:'
+# CompactNamespaces: false
+ConstructorInitializerAllOnOneLineOrOnePerLine: true
+ConstructorInitializerIndentWidth: 8
+ContinuationIndentWidth: 8
+Cpp11BracedListStyle: false
+# DerivePointerAlignment: false
+# DisableFormat:   false
+# ExperimentalAutoDetectBinPacking: false
+# FixNamespaceComments: true
+# ForEachMacros:
+#   - foreach
+#   - Q_FOREACH
+#   - BOOST_FOREACH
+# IncludeBlocks:   Preserve
+IncludeCategories:
+  - Regex:           '".*"'
+    Priority:        1
+  - Regex:           '^<.*\.h>'
+    Priority:        2
+  - Regex:           '^<.*'
+    Priority:        3
+# IncludeIsMainRegex: '(Test)?$'
+IndentCaseLabels: true
+# IndentPPDirectives: None
+IndentWidth:     4
+# IndentWrappedFunctionNames: false
+# JavaScriptQuotes: Leave
+# JavaScriptWrapImports: true
+KeepEmptyLinesAtTheStartOfBlocks: false
+# MacroBlockBegin: ''
+# MacroBlockEnd:   ''
+# MaxEmptyLinesToKeep: 1
+# NamespaceIndentation: None
+# PenaltyBreakAssignment: 2
+# PenaltyBreakBeforeFirstCallParameter: 19
+# PenaltyBreakComment: 300
+# PenaltyBreakFirstLessLess: 120
+# PenaltyBreakString: 1000
+# PenaltyExcessCharacter: 1000000
+# PenaltyReturnTypeOnItsOwnLine: 60
+# PointerAlignment: Right
+# RawStringFormats:
+#   - Delimiter:       pb
+#     Language:        TextProto
+#     BasedOnStyle:    google
+# ReflowComments:  true
+# SortIncludes:    true
+# SortUsingDeclarations: true
+# SpaceAfterCStyleCast: false
+# SpaceAfterTemplateKeyword: true
+# SpaceBeforeAssignmentOperators: true
+# SpaceBeforeParens: ControlStatements
+# SpaceInEmptyParentheses: false
+# SpacesBeforeTrailingComments: 1
+# SpacesInAngles:  false
+# SpacesInContainerLiterals: true
+# SpacesInCStyleCastParentheses: false
+# SpacesInParentheses: false
+# SpacesInSquareBrackets: false
+TabWidth:        4
+UseTab:          Always
+---
+### C++ specific config ###
+Language:        Cpp
+Standard:        Cpp11
+---
+### ObjC specific config ###
+Language:        ObjC
+Standard:        Cpp11
+ObjCBlockIndentWidth: 4
+# ObjCSpaceAfterProperty: false
+# ObjCSpaceBeforeProtocolList: true
+---
+### Java specific config ###
+Language:        Java
+# BreakAfterJavaFieldAnnotations: false
+JavaImportGroups: ['org.godotengine', 'android', 'androidx', 'com.android', 'com.google', 'java', 'javax']
+...

.gitattributes

@@ -0,0 +1,6 @@
+*.c eol=lf
+*.cpp eol=lf
+*.gd eol=lf
+*.tscn eol=lf
+*.cfg eol=lf
+*.godot eol=lf

.github/actions/godot-cache/action.yml

@@ -0,0 +1,22 @@
+name: Setup Godot build cache
+description: Setup Godot build cache.
+inputs:
+  cache-name:
+    description: The cache base name (job name by default).
+    default: "${{github.job}}"
+  scons-cache:
+    description: The scons cache path.
+    default: "${{github.workspace}}/.scons-cache/"
+runs:
+  using: "composite"
+  steps:
+    # Upload cache on completion and check it out now
+    - name: Load .scons_cache directory
+      uses: actions/cache@v3
+      with:
+        path: ${{inputs.scons-cache}}
+        key: ${{inputs.cache-name}}-${{env.GODOT_BASE_BRANCH}}-${{github.ref}}-${{github.sha}}
+        restore-keys: |
+          ${{inputs.cache-name}}-${{env.GODOT_BASE_BRANCH}}-${{github.ref}}-${{github.sha}}
+          ${{inputs.cache-name}}-${{env.GODOT_BASE_BRANCH}}-${{github.ref}}
+          ${{inputs.cache-name}}-${{env.GODOT_BASE_BRANCH}}

.github/dependabot.yml

@@ -0,0 +1,6 @@
+version: 2
+updates:
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "daily"

.github/workflows/ci.yml

@@ -0,0 +1,158 @@
+name: Continuous integration
+on: [push, pull_request]
+
+env:
+  # Only used for the cache key. Increment version to force clean build.
+  GODOT_BASE_BRANCH: 3.x
+
+concurrency:
+  group: ci-${{github.actor}}-${{github.head_ref || github.run_number}}-${{github.ref}}
+  cancel-in-progress: true
+
+jobs:
+  build:
+    name: ${{ matrix.name }}
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - name: 🐧 Linux (GCC)
+            os: ubuntu-18.04
+            platform: linux
+            artifact-name: godot-cpp-linux-glibc2.27-x86_64-release
+            artifact-path: bin/libgodot-cpp.linux.release.64.a
+            godot_zip: Godot_v3.5-stable_linux_server.64.zip
+            executable: Godot_v3.5-stable_linux_server.64
+            cache-name: linux-x86_64
+
+          - name: 🏁 Windows (x86_64, MSVC)
+            os: windows-2019
+            platform: windows
+            artifact-name: godot-cpp-windows-msvc2019-x86_64-release
+            artifact-path: bin/libgodot-cpp.windows.release.64.lib
+            cache-name: windows-x86_64-msvc
+
+          - name: 🏁 Windows (x86_64, MinGW)
+            os: windows-2019
+            platform: windows
+            artifact-name: godot-cpp-linux-mingw-x86_64-release
+            artifact-path: bin/libgodot-cpp.windows.release.64.a
+            flags: use_mingw=yes
+            cache-name: windows-x86_64-mingw
+
+          - name: 🍎 macOS (universal)
+            os: macos-11
+            platform: osx
+            artifact-name: godot-cpp-macos-universal-release
+            artifact-path: bin/libgodot-cpp.osx.release.64.a
+            flags: macos_arch=universal
+            godot_zip: Godot_v3.5-stable_osx.universal.zip
+            executable: Godot.app/Contents/MacOS/Godot
+            cache-name: macos-unversal
+
+          - name: 🤖 Android (arm64)
+            os: ubuntu-18.04
+            platform: android
+            artifact-name: godot-cpp-android-arm64-release
+            artifact-path: bin/libgodot-cpp.android.release.arm64v8.a
+            flags: ANDROID_NDK_ROOT=$ANDROID_NDK_LATEST_HOME android_arch=arm64v8
+            cache-name: android-arm64
+
+          - name: 🍏 iOS (arm64)
+            os: macos-11
+            platform: ios
+            artifact-name: godot-cpp-ios-arm64-release
+            artifact-path: bin/libgodot-cpp.ios.release.arm64.a
+            cache-name: ios-arm64
+
+    env:
+      SCONS_CACHE: ${{ github.workspace }}/.scons-cache/
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+        with:
+          submodules: recursive
+
+      - name: Setup Godot build cache
+        uses: ./.github/actions/godot-cache
+        with:
+          cache-name: ${{ matrix.cache-name }}
+        continue-on-error: true
+
+      - name: Set up Python (for SCons)
+        uses: actions/setup-python@v4
+        with:
+          python-version: '3.x'
+
+      - name: Linux dependencies
+        if: ${{ matrix.platform == 'linux' }}
+        run: |
+          sudo apt-get update -qq
+          sudo apt-get install -qqq build-essential pkg-config
+
+      - name: Install scons
+        run: |
+          python -m pip install scons
+
+      - name: Windows dependency (MinGW)
+        if: ${{ matrix.platform == 'windows' }}
+        uses: egor-tensin/setup-mingw@v2
+
+      - name: Build godot-cpp (debug)
+        run: |
+          scons platform=${{ matrix.platform }} target=debug ${{ matrix.flags }}
+
+      - name: Build test without rebuilding godot-cpp (debug)
+        run: |
+          cd test
+          scons platform=${{ matrix.platform }} target=debug ${{ matrix.flags }} build_library=no
+
+      - name: Build test and godot-cpp (release)
+        run: |
+          cd test
+          scons platform=${{ matrix.platform }} target=release ${{ matrix.flags }}
+
+      - name: Run test GDNative library
+        if: ${{ matrix.platform == 'linux' || matrix.platform == 'osx' }}
+        run: |
+          curl -LO https://downloads.tuxfamily.org/godotengine/3.5/${{ matrix.godot_zip }}
+          unzip ${{ matrix.godot_zip }}
+          ./${{ matrix.executable }} --path test -s script.gd
+
+      - name: Upload artifact
+        uses: actions/upload-artifact@v3
+        with:
+          name: ${{ matrix.artifact-name }}
+          path: ${{ matrix.artifact-path }}
+          if-no-files-found: error
+
+  static-checks:
+    name: 📊 Static Checks (clang-format)
+    runs-on: ubuntu-20.04
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+        with:
+          submodules: recursive
+
+      - name: Make apt sources.list use the default Ubuntu repositories
+        run: |
+          sudo rm -f /etc/apt/sources.list.d/*
+          sudo cp -f misc/ci/sources.list /etc/apt/sources.list
+          sudo apt-get update
+
+      - name: Install dependencies
+        run: |
+          sudo apt-get install -qq dos2unix recode clang-format-11
+          sudo update-alternatives --remove-all clang-format
+          sudo update-alternatives --install /usr/bin/clang-format clang-format /usr/bin/clang-format-11 100
+
+      - name: Style checks via clang-format
+        run: |
+          bash ./misc/scripts/clang_format.sh
+
+      - name: Bindings generation checks (ensures get_file_list returns all generated files)
+        run: |
+          python ./misc/scripts/check_get_file_list.py

.gitignore

@@ -0,0 +1,180 @@
+# Misc
+gen/*
+logs/*
+*.log
+
+# The default cache directory
+.scons_cache/
+
+# Binaries
+*.o
+*.os
+*.so
+*.obj
+*.bc
+*.pyc
+*.dblite
+*.pdb
+*.lib
+bin
+*.config
+*.creator
+*.creator.user
+*.files
+*.includes
+
+# Gprof output
+gmon.out
+
+# Vim temp files
+*.swo
+*.swp
+
+# Qt project files
+*.config
+*.creator
+*.creator.*
+*.files
+*.includes
+*.cflags
+*.cxxflags
+
+# Eclipse CDT files
+.cproject
+.settings/
+
+# Geany/geany-plugins files
+*.geany
+.geanyprj
+
+# Misc
+.DS_Store
+logs/
+
+# for projects that use SCons for building: http://http://www.scons.org/
+.sconf_temp
+.sconsign.dblite
+*.pyc
+
+# Visual C++ cache files
+ipch/
+*.aps
+*.ncb
+*.opensdf
+*.sdf
+*.cachefile
+*.VC.db
+*.VC.opendb
+*.VC.VC.opendb
+enc_temp_folder/
+
+# Visual Studio profiler
+*.psess
+*.vsp
+*.vspx
+
+# CodeLite project files
+*.project
+*.workspace
+.codelite/
+
+# Windows Azure Build Output
+csx/
+*.build.csdef
+
+# Windows Store app package directory
+AppPackages/
+
+# Others
+sql/
+*.Cache
+ClientBin/
+[Ss]tyle[Cc]op.*
+~$*
+*~
+*.dbmdl
+*.dbproj.schemaview
+*.pfx
+*.publishsettings
+node_modules/
+__pycache__/
+
+# KDE
+.directory
+
+#Kdevelop project files
+*.kdev4
+
+# xCode
+xcuserdata
+
+# RIA/Silverlight projects
+Generated_Code/
+
+# Backup & report files from converting an old project file to a newer
+# Visual Studio version. Backup files are not needed, because we have git ;-)
+_UpgradeReport_Files/
+Backup*/
+UpgradeLog*.XML
+UpgradeLog*.htm
+
+# SQL Server files
+App_Data/*.mdf
+App_Data/*.ldf
+
+# Business Intelligence projects
+*.rdl.data
+*.bim.layout
+*.bim_*.settings
+
+# Microsoft Fakes
+FakesAssemblies/
+
+# =========================
+# Windows detritus
+# =========================
+
+# Windows image file caches
+Thumbs.db
+ehthumbs.db
+
+# Folder config file
+Desktop.ini
+
+# Recycle Bin used on file shares
+$RECYCLE.BIN/
+logo.h
+*.autosave
+
+# https://github.com/github/gitignore/blob/master/Global/Tags.gitignore
+# Ignore tags created by etags, ctags, gtags (GNU global) and cscope
+TAGS
+!TAGS/
+tags
+*.tags
+!tags/
+gtags.files
+GTAGS
+GRTAGS
+GPATH
+cscope.files
+cscope.out
+cscope.in.out
+cscope.po.out
+godot.creator.*
+
+# Visual Studio 2017 and Visual Studio Code workspace folder
+/.vs
+/.vscode
+
+# Visual Studio Code workspace file
+*.code-workspace
+
+# Scons progress indicator
+.scons_node_count
+
+# ccls cache (https://github.com/MaskRay/ccls)
+.ccls-cache/
+
+# compile commands (https://clang.llvm.org/docs/JSONCompilationDatabase.html)
+compile_commands.json

.gitmodules

@@ -0,0 +1,3 @@
+[submodule "godot-headers"]
+	path = godot-headers
+	url = https://github.com/godotengine/godot-headers

CMakeLists.txt

@@ -0,0 +1,210 @@
+# cmake arguments
+# CMAKE_BUILD_TYPE:			Compilation target (Debug or Release defaults to Debug)
+#
+# godot-cpp cmake arguments
+# GODOT_HEADERS_DIR:		This is where the gdnative include folder is (godot_source/modules/gdnative/include)
+# GODOT_CUSTOM_API_FILE:	This is if you have another path for the godot_api.json
+#
+# Android cmake arguments
+# CMAKE_TOOLCHAIN_FILE:		The path to the android cmake toolchain ($ANDROID_NDK/build/cmake/android.toolchain.cmake)
+# ANDROID_NDK:				The path to the android ndk root folder
+# ANDROID_TOOLCHAIN_NAME:	The android toolchain (arm-linux-androideabi-4.9 or aarch64-linux-android-4.9 or x86-4.9 or x86_64-4.9)
+# ANDROID_PLATFORM:			The android platform version (android-23)
+# More info here: https://godot.readthedocs.io/en/latest/development/compiling/compiling_for_android.html
+#
+# Examples
+#
+# Builds a debug version:
+# cmake .
+# cmake --build .
+#
+# Builds a release version with clang
+# CC=/usr/bin/clang CXX=/usr/bin/clang++ cmake -DCMAKE_BUILD_TYPE=Release -G "Unix Makefiles" .
+# cmake --build .
+#
+# Builds an android armeabi-v7a debug version:
+# cmake -DCMAKE_TOOLCHAIN_FILE=$ANDROID_NDK/build/cmake/android.toolchain.cmake -DANDROID_NDK=$ANDROID_NDK \
+#		-DANDROID_TOOLCHAIN_NAME=arm-linux-androideabi-4.9 -DANDROID_PLATFORM=android-23 -DCMAKE_BUILD_TYPE=Debug .
+# cmake --build .
+#
+# Protip
+# Generate the buildfiles in a sub directory to not clutter the root directory with build files:
+# mkdir build && cd build && cmake -G "Unix Makefiles" .. && cmake --build .
+#
+# Todo
+# Test build for Windows, Mac and mingw.
+
+project(godot-cpp)
+cmake_minimum_required(VERSION 3.6)
+
+option(GENERATE_TEMPLATE_GET_NODE "Generate a template version of the Node class's get_node." ON)
+
+# Change the output directory to the bin directory
+set(BUILD_PATH ${CMAKE_CURRENT_SOURCE_DIR}/bin)
+set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY "${BUILD_PATH}")
+set(CMAKE_LIBRARY_OUTPUT_DIRECTORY "${BUILD_PATH}")
+set(CMAKE_RUNTIME_OUTPUT_DIRECTORY "${BUILD_PATH}")
+SET(CMAKE_RUNTIME_OUTPUT_DIRECTORY_DEBUG "${BUILD_PATH}")
+SET(CMAKE_RUNTIME_OUTPUT_DIRECTORY_RELEASE "${BUILD_PATH}")
+SET(CMAKE_LIBRARY_OUTPUT_DIRECTORY_DEBUG "${BUILD_PATH}")
+SET(CMAKE_LIBRARY_OUTPUT_DIRECTORY_RELEASE "${BUILD_PATH}")
+SET(CMAKE_ARCHIVE_OUTPUT_DIRECTORY_DEBUG "${BUILD_PATH}")
+SET(CMAKE_ARCHIVE_OUTPUT_DIRECTORY_RELEASE "${BUILD_PATH}")
+
+# Default build type is Debug in the SConstruct
+if("${CMAKE_BUILD_TYPE}" STREQUAL "")
+	set(CMAKE_BUILD_TYPE Debug)
+endif()
+
+if(CMAKE_BUILD_TYPE MATCHES Debug)
+	add_definitions(-D_DEBUG)
+else()
+	add_definitions(-DNDEBUG)
+endif(CMAKE_BUILD_TYPE MATCHES Debug)
+
+# Set the c++ standard to c++14
+set(CMAKE_CXX_STANDARD 14)
+set(CMAKE_CXX_STANDARD_REQUIRED ON)
+set(CMAKE_CXX_EXTENSIONS OFF)
+
+if(NOT DEFINED BITS)
+	set(BITS 32)
+	if(CMAKE_SIZEOF_VOID_P EQUAL 8)
+		set(BITS 64)
+	endif(CMAKE_SIZEOF_VOID_P EQUAL 8)
+endif()
+
+# Input from user for godot headers and the api file
+set(GODOT_HEADERS_DIR "godot-headers" CACHE STRING "")
+set(GODOT_CUSTOM_API_FILE "godot-headers/api.json" CACHE STRING "")
+
+set(GODOT_COMPILE_FLAGS )
+set(GODOT_LINKER_FLAGS )
+
+if ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "MSVC")
+	# using Visual Studio C++
+	set(GODOT_COMPILE_FLAGS "/EHsc /WX") # /GF /MP
+
+	if(CMAKE_BUILD_TYPE MATCHES Debug)
+		set(GODOT_COMPILE_FLAGS "${GODOT_COMPILE_FLAGS} /MDd") # /Od /RTC1 /Zi
+	else()
+		set(GODOT_COMPILE_FLAGS "${GODOT_COMPILE_FLAGS} /MD /O2") # /Oy /GL /Gy
+		STRING(REGEX REPLACE "/RTC(su|[1su])" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
+		string(REPLACE "/RTC1" "" CMAKE_CXX_FLAGS_DEBUG ${CMAKE_CXX_FLAGS_DEBUG})
+	endif(CMAKE_BUILD_TYPE MATCHES Debug)
+
+	# Disable conversion warning, trunkation, unreferenced var, signed missmatch
+	set(GODOT_COMPILE_FLAGS "${GODOT_COMPILE_FLAGS} /wd4244 /wd4305 /wd4101 /wd4018 /wd4267")
+
+	# Todo: Check if needed.
+	add_definitions(-DWIN32_LEAN_AND_MEAN -D_CRT_SECURE_NO_WARNINGS)
+
+	# Unkomment for warning level 4
+	#if(CMAKE_CXX_FLAGS MATCHES "/W[0-4]")
+	#	string(REGEX REPLACE "/W[0-4]" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
+	#endif()
+
+else()  # GCC/Clang
+	set(GODOT_LINKER_FLAGS "-static-libgcc -static-libstdc++ -Wl,-R,'$$ORIGIN'")
+
+	if(NOT CMAKE_SYSTEM_NAME MATCHES "Windows")
+		set(GODOT_COMPILE_FLAGS "-fPIC")
+	endif()
+	set(GODOT_COMPILE_FLAGS "${GODOT_COMPILE_FLAGS} -g -Wwrite-strings")
+	set(GODOT_COMPILE_FLAGS "${GODOT_COMPILE_FLAGS} -Wchar-subscripts -Wcomment -Wdisabled-optimization")
+	set(GODOT_COMPILE_FLAGS "${GODOT_COMPILE_FLAGS} -Wformat -Wformat=2 -Wformat-security -Wformat-y2k")
+	set(GODOT_COMPILE_FLAGS "${GODOT_COMPILE_FLAGS} -Wimport -Winit-self -Winline -Winvalid-pch -Werror")
+	set(GODOT_COMPILE_FLAGS "${GODOT_COMPILE_FLAGS} -Wmissing-braces -Wmissing-format-attribute")
+	set(GODOT_COMPILE_FLAGS "${GODOT_COMPILE_FLAGS} -Wmissing-include-dirs -Wmissing-noreturn -Wpacked -Wpointer-arith")
+	set(GODOT_COMPILE_FLAGS "${GODOT_COMPILE_FLAGS} -Wredundant-decls -Wreturn-type -Wsequence-point")
+	set(GODOT_COMPILE_FLAGS "${GODOT_COMPILE_FLAGS} -Wswitch -Wswitch-enum -Wtrigraphs")
+	set(GODOT_COMPILE_FLAGS "${GODOT_COMPILE_FLAGS} -Wuninitialized -Wunknown-pragmas -Wunreachable-code -Wunused-label")
+	set(GODOT_COMPILE_FLAGS "${GODOT_COMPILE_FLAGS} -Wunused-value -Wvariadic-macros -Wvolatile-register-var -Wno-error=attributes")
+
+	# -Wshadow -Wextra -Wall -Weffc++ -Wfloat-equal -Wstack-protector -Wunused-parameter -Wsign-compare -Wunused-variable -Wcast-align
+	# -Wunused-function -Wstrict-aliasing -Wstrict-aliasing=2 -Wmissing-field-initializers
+
+	if(NOT CMAKE_SYSTEM_NAME STREQUAL "Android")
+		set(GODOT_COMPILE_FLAGS "${GODOT_COMPILE_FLAGS} -Wno-ignored-attributes")
+	endif()
+
+	if(CMAKE_BUILD_TYPE MATCHES Debug)
+		set(GODOT_COMPILE_FLAGS "${GODOT_COMPILE_FLAGS} -fno-omit-frame-pointer -O0")
+	else()
+		set(GODOT_COMPILE_FLAGS "${GODOT_COMPILE_FLAGS} -O3")
+	endif(CMAKE_BUILD_TYPE MATCHES Debug)
+endif()
+
+# Generate source from the bindings file
+find_package(Python3 3.4 REQUIRED) # pathlib should be present
+if(GENERATE_TEMPLATE_GET_NODE)
+	set(GENERATE_BINDING_PARAMETERS "True")
+else()
+	set(GENERATE_BINDING_PARAMETERS "False")
+endif()
+
+message(STATUS "Generating Bindings")
+execute_process(COMMAND "${Python3_EXECUTABLE}" "-c" "import binding_generator; binding_generator.print_file_list(\"${GODOT_CUSTOM_API_FILE}\", \"${CMAKE_CURRENT_BINARY_DIR}\", headers=True)"
+	WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
+	RESULT_VARIABLE HEADERS_FILE_LIST_RESULT
+	OUTPUT_VARIABLE HEADERS_FILE_LIST
+)
+set(HEADERS_FILE_LIST ${HEADERS_FILE_LIST})
+
+execute_process(COMMAND "${Python3_EXECUTABLE}" "-c" "import binding_generator; binding_generator.print_file_list(\"${GODOT_CUSTOM_API_FILE}\", \"${CMAKE_CURRENT_BINARY_DIR}\", sources=True)"
+	WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
+	RESULT_VARIABLE SOURCES_FILE_LIST_RESULT
+	OUTPUT_VARIABLE SOURCES_FILE_LIST
+)
+set(SOURCES_FILE_LIST ${SOURCES_FILE_LIST})
+
+add_custom_command(OUTPUT ${HEADERS_FILE_LIST} ${SOURCES_FILE_LIST}
+		COMMAND "${Python3_EXECUTABLE}" "-c" "import binding_generator; binding_generator.generate_bindings(\"${GODOT_CUSTOM_API_FILE}\", \"${GENERATE_BINDING_PARAMETERS}\", \"${CMAKE_CURRENT_BINARY_DIR}\")"
+		VERBATIM
+		WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
+		MAIN_DEPENDENCY ${GODOT_CUSTOM_API_FILE}
+		DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/binding_generator.py
+		COMMENT Generating Bindings
+)
+
+# Get Sources
+file(GLOB_RECURSE SOURCES src/*.c**)
+file(GLOB_RECURSE HEADERS include/*.h**)
+
+# Define our godot-cpp library
+add_library(${PROJECT_NAME}
+		${SOURCES}
+		${SOURCES_FILE_LIST}
+		${HEADERS}
+		${HEADERS_FILE_LIST}
+)
+target_include_directories(${PROJECT_NAME}
+	PUBLIC
+	include
+	include/core
+	${CMAKE_CURRENT_BINARY_DIR}/include/gen/
+)
+
+# Put godot headers as SYSTEM PUBLIC to exclude warnings from irrelevant headers
+target_include_directories(${PROJECT_NAME}
+	SYSTEM PUBLIC
+	${GODOT_HEADERS_DIR}
+)
+
+# Add the compile flags
+set_property(TARGET ${PROJECT_NAME} APPEND_STRING PROPERTY COMPILE_FLAGS ${GODOT_COMPILE_FLAGS})
+set_property(TARGET ${PROJECT_NAME} APPEND_STRING PROPERTY LINK_FLAGS ${GODOT_LINKER_FLAGS})
+
+# Create the correct name (godot.os.build_type.system_bits)
+
+string(TOLOWER "${CMAKE_SYSTEM_NAME}" SYSTEM_NAME)
+string(TOLOWER "${CMAKE_BUILD_TYPE}" BUILD_TYPE)
+
+if(ANDROID)
+	# Added the android abi after system name
+	set(SYSTEM_NAME ${SYSTEM_NAME}.${ANDROID_ABI})
+	# Android does not have the bits at the end if you look at the main godot repo build
+	set_property(TARGET ${PROJECT_NAME} PROPERTY OUTPUT_NAME "godot-cpp.${SYSTEM_NAME}.${BUILD_TYPE}")
+else()
+	set_property(TARGET ${PROJECT_NAME} PROPERTY OUTPUT_NAME "godot-cpp.${SYSTEM_NAME}.${BUILD_TYPE}.${BITS}")
+endif()

LICENSE.md

@@ -0,0 +1,21 @@
+# MIT License
+
+Copyright (c) 2017-2022 Godot Engine contributors.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

Makefile

@@ -0,0 +1,47 @@
+GENERATE_BINDINGS = no
+HEADERS = godot-headers
+TARGET = debug
+USE_CLANG = no
+
+BASE = scons use_llvm=$(USE_CLANG) generate_bindings=$(GENERATE_BINDINGS) target=$(TARGET) headers=$(HEADERS)
+LINUX = $(BASE) platform=linux
+WINDOWS = $(BASE) platform=windows
+OSX = $(BASE) platform=osx
+
+
+all:
+	make linux
+	make windows
+
+
+linux:
+	make linux32
+	make linux64
+
+linux32: SConstruct
+	$(LINUX) bits=32
+
+linux64: SConstruct
+	$(LINUX) bits=64
+
+
+windows:
+	make windows32
+	make windows64
+
+windows32: SConstruct
+	$(WINDOWS) bits=32
+
+windows64: SConstruct
+	$(WINDOWS) bits=64
+
+
+osx:
+	make osx32
+	make osx64
+
+osx32: SConstruct
+	$(OSX) bits=32
+
+osx64: SConstruct
+	$(OSX) bits=64

README.md

@@ -0,0 +1,372 @@
+# godot-cpp
+
+This repository contains the  *C++ bindings* for the [**Godot Engine**](https://github.com/godotengine/godot)'s GDNative API.
+
+- [**Versioning**](#versioning)
+- [**Contributing**](#contributing)
+- [**Getting Started**](#getting-started)
+- [**Creating a simple class**](#creating-a-simple-class)
+
+## Versioning
+
+This repositories follows the same branch versioning as the main [Godot Engine
+repository](https://github.com/godotengine/godot):
+
+- `master` tracks the current development branch.
+- `3.x` tracks the development of the next 3.x minor release.
+- Other versioned branches (e.g. `3.3`, `3.2`) track the latest stable release
+  in the corresponding branch.
+
+Stable releases are also tagged on this repository:
+[**Tags**](https://github.com/godotengine/godot-cpp/tags).
+
+**For any project built against a stable release of Godot, we recommend using
+this repository as a Git submodule, checking out the specific tag matching your
+Godot version.**
+
+> As the `master` and `3.x` branches are constantly getting updates, if you are
+> using `godot-cpp` against a more current version of Godot, see the instructions
+> in [**godot-headers**](https://github.com/godotengine/godot-headers) for
+> updating the relevant files.
+
+## Contributing
+
+We greatly appreciate help in maintaining and extending this project. If you
+wish to help out, ensure you have an account on GitHub and create a "fork" of
+this repository. Rémi "Akien" Verschelde wrote an excellent bit of documentation
+for the main Godot project on this:
+[Pull request workflow](https://docs.godotengine.org/en/stable/community/contributing/pr_workflow.html)
+
+Please install clang-format and copy the files in `misc/hooks` into `.git/hooks`
+so formatting is done before your changes are submitted.
+
+## Getting Started
+
+| **Build latest version of Godot** | [**GitHub**](https://github.com/godotengine/godot) | [**Docs**](https://godot.readthedocs.io/en/latest/development/compiling/index.html) |
+| --- | --- | --- |
+
+### Setting up a new project
+
+We recommend using Git for managing your project. The instructions below assume
+you're using Git. Alternatively, you can download the source code directly from
+GitHub. In this case, you need to download both
+[godot-cpp](https://github.com/godotengine/godot-cpp) and
+[godot-headers](https://github.com/godotengine/godot-headers).
+
+```bash
+mkdir SimpleLibrary
+cd SimpleLibrary
+mkdir bin
+mkdir src
+git clone --recursive https://github.com/godotengine/godot-cpp
+```
+
+If you wish to use a specific branch, add the -b option to the clone command:
+
+```bash
+git clone --recursive https://github.com/godotengine/godot-cpp -b 3.0
+```
+
+If your project is an existing repository, use a Git submodule instead:
+
+```bash
+git submodule add https://github.com/godotengine/godot-cpp
+git submodule update --init --recursive
+```
+
+Right now, our directory structure should look like this:
+
+```text
+SimpleLibrary/
+├─godot-cpp/
+| └─godot-headers/
+├─bin/
+└─src/
+```
+
+### Updating the `api.json` file
+
+Our `api.json` file contains metadata for all the classes that are part of the
+Godot core. This metadata is required to generate the C++ binding classes for
+use in GDNative modules.
+
+This file is supplied with our
+[godot-headers](https://github.com/godotengine/godot-headers) repository
+for your convenience. However, if you're running a custom build of Godot and
+need access to classes that have recent changes, you must generate a new
+`api.json` file. You do this by starting your Godot executable with the
+following parameters:
+
+```bash
+godot --gdnative-generate-json-api api.json
+```
+
+Now copy the `api.json` file into your folder structure to make it easier to
+access.
+
+See the remark below for the extra ```custom_api_file``` SCons argument, which
+is required to tell SCons where to find your file.
+
+### Compiling the C++ bindings library
+
+The final step is to compile our C++ bindings library:
+
+```bash
+cd godot-cpp
+scons platform=<your platform> generate_bindings=yes
+cd ..
+```
+
+Replace `<your platform>` with either `windows`, `linux`, `osx` or `android`. If
+you leave out `platform`, the target platform will automatically be detected
+from the host platform.
+
+The resulting library will be created in `godot-cpp/bin/`, take note of its name
+as it'll differ depending on the target platform.
+
+#### Compiling for Android
+
+Download the latest [Android NDK](https://developer.android.com/ndk/downloads)
+and set the NDK path.
+
+```bash
+scons platform=android generate_bindings=yes ANDROID_NDK_ROOT="/PATH-TO-ANDROID-NDK/" android_arch=<arch>
+```
+
+The value of `android_arch` can be `armv7, arm64v8, x86, x86_64`. Most Android
+devices in use nowadays use an ARM architecture, so compiling for `armv7` and
+`arm64v8` is often enough when distributing an application.
+
+`ANDROID_NDK_ROOT` can also be set in the environment variables of your PC if
+you don't want to include it in your SCons call.
+
+#### Compilation options
+
+You can optionally add the following options to the SCons command line:
+
+- When targeting Linux, add `use_llvm=yes` to use Clang instead of GCC.
+- When targeting Windows, add `use_mingw=yes` to use MinGW instead of MSVC.
+- When targeting Windows, include `target=runtime` to build a runtime build.
+- To use an alternative `api.json` file, add `use_custom_api_file=yes
+  custom_api_file=../api.json`. Be sure to specify the correct location where
+  you placed your file (it can be a relative or absolute path).
+
+## Creating a simple class
+
+Create `init.cpp` under `SimpleLibrary/src/` and add the following code:
+
+```cpp
+#include <Godot.hpp>
+#include <Reference.hpp>
+
+using namespace godot;
+
+class SimpleClass : public Reference {
+    GODOT_CLASS(SimpleClass, Reference);
+public:
+    SimpleClass() { }
+
+    /** `_init` must exist as it is called by Godot. */
+    void _init() { }
+
+    void test_void_method() {
+        Godot::print("This is test");
+    }
+
+    Variant method(Variant arg) {
+        Variant ret;
+        ret = arg;
+
+        return ret;
+    }
+
+    static void _register_methods() {
+        register_method("method", &SimpleClass::method);
+
+        /**
+         * The line below is equivalent to the following GDScript export:
+         *     export var _name = "SimpleClass"
+         **/
+        register_property<SimpleClass, String>("base/name", &SimpleClass::_name, String("SimpleClass"));
+
+        /** Alternatively, with getter and setter methods: */
+        register_property<SimpleClass, int>("base/value", &SimpleClass::set_value, &SimpleClass::get_value, 0);
+
+        /** Registering a signal: **/
+        // register_signal<SimpleClass>("signal_name");
+        // register_signal<SimpleClass>("signal_name", "string_argument", GODOT_VARIANT_TYPE_STRING)
+    }
+
+    String _name;
+    int _value;
+
+    void set_value(int p_value) {
+        _value = p_value;
+    }
+
+    int get_value() const {
+        return _value;
+    }
+};
+
+/** GDNative Initialize **/
+extern "C" void GDN_EXPORT godot_gdnative_init(godot_gdnative_init_options *o) {
+    godot::Godot::gdnative_init(o);
+}
+
+/** GDNative Terminate **/
+extern "C" void GDN_EXPORT godot_gdnative_terminate(godot_gdnative_terminate_options *o) {
+    godot::Godot::gdnative_terminate(o);
+}
+
+/** NativeScript Initialize **/
+extern "C" void GDN_EXPORT godot_nativescript_init(void *handle) {
+    godot::Godot::nativescript_init(handle);
+
+    godot::register_class<SimpleClass>();
+}
+```
+
+### Compiling the GDNative library
+
+Once you've compiled the GDNative C++ bindings (see above), you can compile the GDNative library we've just created.
+
+#### Linux
+
+```bash
+cd SimpleLibrary
+clang++ -fPIC -o src/init.o -c src/init.cpp -g -O3 -std=c++14 -Igodot-cpp/include -Igodot-cpp/include/core -Igodot-cpp/include/gen -Igodot-cpp/godot-headers
+clang++ -o bin/libtest.so -shared src/init.o -Lgodot-cpp/bin -l<name of the godot-cpp>
+```
+
+You'll need to replace `<name of the godot-cpp>` with the file that was created in [**Compiling the cpp bindings library**](#compiling-the-cpp-bindings-library).
+
+This creates the file `libtest.so` in your `SimpleLibrary/bin` directory.
+
+#### Windows
+
+```bash
+cd SimpleLibrary
+cl /Fosrc/init.obj /c src/init.cpp /nologo -EHsc -DNDEBUG /MDd /Igodot-cpp\include /Igodot-cpp\include\core /Igodot-cpp\include\gen /Igodot-cpp\godot-headers
+link /nologo /dll /out:bin\libtest.dll /implib:bin\libsimple.lib src\init.obj godot-cpp\bin\<name of the godot-cpp>
+```
+
+You'll need to replace `<name of the godot-cpp>` with the file that was created
+in [**Compiling the cpp bindingslibrary**](#compiling-the-cpp-bindings-library).
+Replace `/MDd` with `/MD` to create a release build, which will run faster and
+be smaller.
+
+This creates the file `libtest.dll` in your `SimpleLibrary/bin` directory.
+
+#### macOS
+
+For macOS, you'll need to find out which compiler flags need to be used. These
+are likely similar to Linux when using Clang, but may not be identical.
+
+If you find suitable compiler flags for this example library, feel free to
+submit a pull request :slightly_smiling_face:
+
+#### Android
+
+```bash
+cd SimpleLibrary
+aarch64-linux-android29-clang++ -fPIC -o src/init.o -c src/init.cpp -g -O3 -std=c++14 -Igodot-cpp/include -Igodot-cpp/include/core -Igodot-cpp/include/gen -Igodot-cpp/godot-headers
+aarch64-linux-android29-clang++ -o bin/libtest.so -shared src/init.o -Lgodot-cpp/bin -l<name of the godot-cpp>
+```
+
+You'll need to replace `<name of the godot-cpp>` with the file that was created in [**Compiling the cpp bindings library**](#compiling-the-cpp-bindings-library). The command above targets `arm64v8`. To target `armv7`, use `armv7a-linux-androideabi29-clang++` instead of `aarch64-linux-android29-clang++`.
+
+This creates the file `libtest.so` in your `SimpleLibrary/bin` directory.
+
+#### iOS
+
+GDNative isn't supported on iOS yet. This is because iOS only allows linking
+static libraries, not dynamic libraries. In theory, it would be possible to link
+a GDNative library statically, but some of GDNative's convenience would be lost
+in the process as one would have to recompile the engine on every change. See
+[issue #30](https://github.com/godotengine/godot-headers/issues/30) in the
+Godot headers repository for more information.
+
+#### HTML5
+
+GDNative is supported on [specific exports](https://docs.godotengine.org/en/latest/tutorials/export/exporting_for_web.html#export-options) for the HTML5 platform since Godot `3.3`. Linking webassembly modules is currently underspecified in the standard, but [emscripten](https://emscripten.org/), which Godot uses to build the HTML5 version, implements its own linking system.
+
+To build GDNative libraries, you will need a recent version of [Emscripten](https://emscripten.org/).
+
+```bash
+cd SimpleLibrary
+emcc  -o bin/libtest.wasm -g -O3 -s SIDE_MODULE=1 src/init.cpp godot-cpp/bin/<name of the godot-cpp> -Igodot-cpp/include -Igodot-cpp/include/core -Igodot-cpp/include/gen -Igodot-cpp/godot-headers
+```
+
+You'll need to replace `<name of the godot-cpp>` with the file that was created in [**Compiling the cpp bindings library**](#compiling-the-cpp-bindings-library).
+
+This creates the file `libtest.so` in your `SimpleLibrary/bin` directory.
+
+### Creating `.gdnlib` and `.gdns` files
+
+Follow the instructions in
+[godot-headers/README.md](https://github.com/godotengine/godot-headers/blob/master/README.md#how-do-i-use-native-scripts-from-the-editor)
+to create the `.gdns` file. This file contains paths to GDNative libraries for
+various platforms. This makes the library usable from Godot in a
+platform-independent manner.
+
+### Implementing with GDScript
+
+Once your GDNative library is compiled and referenced in a `.gdns` file, you can use it in GDScript or C#. Here's an example with GDScript:
+
+```gdscript
+var simpleclass = load("res://simpleclass.gdns").new()
+simpleclass.method("Test argument")
+```
+
+### Using Godot classes in C++
+
+Godot expects you to manage its classes the same way the engine does. These rules apply to all Godot classes, including your NativeScripts, but not to any normal C++ classes used in your library.
+
+- Instantiate Objects using `_new()`, not C++'s `new` operator.
+
+```cpp
+Sprite *sprite = Sprite::_new();
+```
+
+- Destroy Nodes using `queue_free()`, not C++'s `delete` operator.
+
+```cpp
+some_old_node->queue_free();
+```
+
+- Wrap References in `Ref` instead of passing around raw pointers. They are reference-counted and don't need to be freed manually.
+
+```cpp
+Ref<Texture> texture = resource_loader->load("res://icon.png");
+```
+
+- Pass core types that do *not* inherit Object by value. The containers (Array, Dictionary, PoolArray, String) manage their own memory and do not need to be explicitly initialized or freed.
+
+```cpp
+Array ints;
+ints.append(123);
+return ints;
+```
+
+- Initialize your NativeScript classes in their `_init()` method, not their constructor. The constructor can't access the base class's methods.
+
+- Cast objects using `Object::cast_to`, not unsafe C-style casts or `static_cast`.
+
+```cpp
+MeshInstance *m = Object::cast_to<MeshInstance>(get_node("ChildNode"));
+// `m` will be null if it's not a MeshInstance
+if (m) { ... }
+```
+
+- **Never** use Godot types in static or global variables. The Godot API isn't loaded until after their constructors are called.
+
+```cpp
+String s; // crashes
+class SomeClass {
+    static Dictionary d; // crashes
+
+    static Node *node_a = NULL; // fine, it's just a pointer
+    static Node *node_b = Node::_new(); // crashes
+};
+```

SConstruct

@@ -0,0 +1,525 @@
+#!/usr/bin/env python
+
+import os
+import sys
+import subprocess
+from binding_generator import scons_generate_bindings, scons_emit_files
+
+if sys.version_info < (3,):
+
+    def decode_utf8(x):
+        return x
+
+else:
+    import codecs
+
+    def decode_utf8(x):
+        return codecs.utf_8_decode(x)[0]
+
+
+# Workaround for MinGW. See:
+# http://www.scons.org/wiki/LongCmdLinesOnWin32
+if os.name == "nt":
+    import subprocess
+
+    def mySubProcess(cmdline, env):
+        # print "SPAWNED : " + cmdline
+        startupinfo = subprocess.STARTUPINFO()
+        startupinfo.dwFlags |= subprocess.STARTF_USESHOWWINDOW
+        proc = subprocess.Popen(
+            cmdline,
+            stdin=subprocess.PIPE,
+            stdout=subprocess.PIPE,
+            stderr=subprocess.PIPE,
+            startupinfo=startupinfo,
+            shell=False,
+            env=env,
+        )
+        data, err = proc.communicate()
+        rv = proc.wait()
+        if rv:
+            print("=====")
+            print(err.decode("utf-8"))
+            print("=====")
+        return rv
+
+    def mySpawn(sh, escape, cmd, args, env):
+
+        newargs = " ".join(args[1:])
+        cmdline = cmd + " " + newargs
+
+        rv = 0
+        if len(cmdline) > 32000 and cmd.endswith("ar"):
+            cmdline = cmd + " " + args[1] + " " + args[2] + " "
+            for i in range(3, len(args)):
+                rv = mySubProcess(cmdline + args[i], env)
+                if rv:
+                    break
+        else:
+            rv = mySubProcess(cmdline, env)
+
+        return rv
+
+
+def add_sources(sources, dir, extension):
+    for f in os.listdir(dir):
+        if f.endswith("." + extension):
+            sources.append(dir + "/" + f)
+
+
+# Try to detect the host platform automatically.
+# This is used if no `platform` argument is passed
+if sys.platform.startswith("linux"):
+    host_platform = "linux"
+elif sys.platform.startswith("freebsd"):
+    host_platform = "freebsd"
+elif sys.platform == "darwin":
+    host_platform = "osx"
+elif sys.platform == "win32" or sys.platform == "msys":
+    host_platform = "windows"
+else:
+    raise ValueError("Could not detect platform automatically, please specify with platform=<platform>")
+
+env = Environment(ENV=os.environ)
+
+# Default num_jobs to local cpu count if not user specified.
+# SCons has a peculiarity where user-specified options won't be overridden
+# by SetOption, so we can rely on this to know if we should use our default.
+initial_num_jobs = env.GetOption("num_jobs")
+altered_num_jobs = initial_num_jobs + 1
+env.SetOption("num_jobs", altered_num_jobs)
+# os.cpu_count() requires Python 3.4+.
+if hasattr(os, "cpu_count") and env.GetOption("num_jobs") == altered_num_jobs:
+    cpu_count = os.cpu_count()
+    if cpu_count is None:
+        print("Couldn't auto-detect CPU count to configure build parallelism. Specify it with the -j argument.")
+    else:
+        safer_cpu_count = cpu_count if cpu_count <= 4 else cpu_count - 1
+        print(
+            "Auto-detected %d CPU cores available for build parallelism. Using %d cores by default. You can override it with the -j argument."
+            % (cpu_count, safer_cpu_count)
+        )
+        env.SetOption("num_jobs", safer_cpu_count)
+
+is64 = sys.maxsize > 2 ** 32
+if (
+    env["TARGET_ARCH"] == "amd64"
+    or env["TARGET_ARCH"] == "emt64"
+    or env["TARGET_ARCH"] == "x86_64"
+    or env["TARGET_ARCH"] == "arm64-v8a"
+):
+    is64 = True
+
+opts = Variables([], ARGUMENTS)
+opts.Add(
+    EnumVariable(
+        "platform",
+        "Target platform",
+        host_platform,
+        allowed_values=("linux", "freebsd", "osx", "windows", "android", "ios", "javascript"),
+        ignorecase=2,
+    )
+)
+opts.Add(EnumVariable("bits", "Target platform bits", "64" if is64 else "32", ("32", "64")))
+opts.Add(BoolVariable("use_llvm", "Use the LLVM compiler - only effective when targeting Linux or FreeBSD", False))
+opts.Add(BoolVariable("use_mingw", "Use the MinGW compiler instead of MSVC - only effective on Windows", False))
+# Must be the same setting as used for cpp_bindings
+opts.Add(EnumVariable("target", "Compilation target", "debug", allowed_values=("debug", "release"), ignorecase=2))
+opts.Add(
+    PathVariable(
+        "headers_dir",
+        "Path to the directory containing Godot headers",
+        "godot-headers",
+        PathVariable.PathIsDir,
+    )
+)
+opts.Add(PathVariable("custom_api_file", "Path to a custom JSON API file", None, PathVariable.PathIsFile))
+opts.Add(BoolVariable("generate_bindings", "Force GDNative API bindings generation.", False))
+opts.Add(
+    EnumVariable(
+        "android_arch",
+        "Target Android architecture",
+        "armv7",
+        ["armv7", "arm64v8", "x86", "x86_64"],
+    )
+)
+opts.Add("macos_deployment_target", "macOS deployment target", "default")
+opts.Add("macos_sdk_path", "macOS SDK path", "")
+opts.Add(EnumVariable("macos_arch", "Target macOS architecture", "universal", ["universal", "x86_64", "arm64"]))
+opts.Add(EnumVariable("ios_arch", "Target iOS architecture", "arm64", ["armv7", "arm64", "x86_64"]))
+opts.Add(BoolVariable("ios_simulator", "Target iOS Simulator", False))
+opts.Add(
+    "IPHONEPATH",
+    "Path to iPhone toolchain",
+    "/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain",
+)
+opts.Add(
+    "android_api_level",
+    "Target Android API level",
+    "18" if ARGUMENTS.get("android_arch", "armv7") in ["armv7", "x86"] else "21",
+)
+opts.Add(
+    "ANDROID_NDK_ROOT",
+    "Path to your Android NDK installation. By default, uses ANDROID_NDK_ROOT from your defined environment variables.",
+    os.environ.get("ANDROID_NDK_ROOT", None),
+)
+opts.Add(
+    BoolVariable(
+        "generate_template_get_node",
+        "Generate a template version of the Node class's get_node.",
+        True,
+    )
+)
+
+opts.Add(BoolVariable("build_library", "Build the godot-cpp library.", True))
+
+opts.Update(env)
+Help(opts.GenerateHelpText(env))
+
+# Detect and print a warning listing unknown SCons variables to ease troubleshooting.
+unknown = opts.UnknownVariables()
+if unknown:
+    print("WARNING: Unknown SCons variables were passed and will be ignored:")
+    for item in unknown.items():
+        print("    " + item[0] + "=" + item[1])
+
+# This makes sure to keep the session environment variables on Windows.
+# This way, you can run SCons in a Visual Studio 2017 prompt and it will find
+# all the required tools
+if host_platform == "windows" and env["platform"] != "android":
+    if env["bits"] == "64":
+        env = Environment(TARGET_ARCH="amd64")
+    elif env["bits"] == "32":
+        env = Environment(TARGET_ARCH="x86")
+
+    opts.Update(env)
+
+# Require C++14
+if host_platform == "windows" and env["platform"] == "windows" and not env["use_mingw"]:
+    # MSVC
+    env.Append(CCFLAGS=["/std:c++14"])
+else:
+    env.Append(CCFLAGS=["-std=c++14"])
+
+if env["platform"] == "linux" or env["platform"] == "freebsd":
+    if env["use_llvm"]:
+        env["CXX"] = "clang++"
+
+    env.Append(CCFLAGS=["-fPIC", "-Wwrite-strings"])
+    env.Append(LINKFLAGS=["-Wl,-R,'$$ORIGIN'"])
+
+    if env["target"] == "debug":
+        env.Append(CCFLAGS=["-Og", "-g"])
+    elif env["target"] == "release":
+        env.Append(CCFLAGS=["-O3"])
+
+    if env["bits"] == "64":
+        env.Append(CCFLAGS=["-m64"])
+        env.Append(LINKFLAGS=["-m64"])
+    elif env["bits"] == "32":
+        env.Append(CCFLAGS=["-m32"])
+        env.Append(LINKFLAGS=["-m32"])
+
+elif env["platform"] == "osx":
+    # Use Clang on macOS by default
+    env["CXX"] = "clang++"
+
+    if env["bits"] == "32":
+        raise ValueError("Only 64-bit builds are supported for the macOS target.")
+
+    if env["macos_arch"] == "universal":
+        env.Append(LINKFLAGS=["-arch", "x86_64", "-arch", "arm64"])
+        env.Append(CCFLAGS=["-arch", "x86_64", "-arch", "arm64"])
+    else:
+        env.Append(LINKFLAGS=["-arch", env["macos_arch"]])
+        env.Append(CCFLAGS=["-arch", env["macos_arch"]])
+
+    if env["macos_deployment_target"] != "default":
+        env.Append(CCFLAGS=["-mmacosx-version-min=" + env["macos_deployment_target"]])
+        env.Append(LINKFLAGS=["-mmacosx-version-min=" + env["macos_deployment_target"]])
+
+    if env["macos_sdk_path"]:
+        env.Append(CCFLAGS=["-isysroot", env["macos_sdk_path"]])
+        env.Append(LINKFLAGS=["-isysroot", env["macos_sdk_path"]])
+
+    env.Append(LINKFLAGS=["-Wl,-undefined,dynamic_lookup"])
+
+    if env["target"] == "debug":
+        env.Append(CCFLAGS=["-Og", "-g"])
+    elif env["target"] == "release":
+        env.Append(CCFLAGS=["-O3"])
+
+elif env["platform"] == "ios":
+    if env["ios_simulator"]:
+        sdk_name = "iphonesimulator"
+        env.Append(CCFLAGS=["-mios-simulator-version-min=10.0"])
+    else:
+        sdk_name = "iphoneos"
+        env.Append(CCFLAGS=["-miphoneos-version-min=10.0"])
+
+    try:
+        sdk_path = decode_utf8(subprocess.check_output(["xcrun", "--sdk", sdk_name, "--show-sdk-path"]).strip())
+    except (subprocess.CalledProcessError, OSError):
+        raise ValueError("Failed to find SDK path while running xcrun --sdk {} --show-sdk-path.".format(sdk_name))
+
+    compiler_path = env["IPHONEPATH"] + "/usr/bin/"
+    env["ENV"]["PATH"] = env["IPHONEPATH"] + "/Developer/usr/bin/:" + env["ENV"]["PATH"]
+
+    env["CC"] = compiler_path + "clang"
+    env["CXX"] = compiler_path + "clang++"
+    env["AR"] = compiler_path + "ar"
+    env["RANLIB"] = compiler_path + "ranlib"
+    env["SHLIBSUFFIX"] = ".dylib"
+
+    env.Append(CCFLAGS=["-arch", env["ios_arch"], "-isysroot", sdk_path])
+    env.Append(
+        LINKFLAGS=[
+            "-arch",
+            env["ios_arch"],
+            "-Wl,-undefined,dynamic_lookup",
+            "-isysroot",
+            sdk_path,
+            "-F" + sdk_path,
+        ]
+    )
+
+    if env["target"] == "debug":
+        env.Append(CCFLAGS=["-Og", "-g"])
+    elif env["target"] == "release":
+        env.Append(CCFLAGS=["-O3"])
+
+elif env["platform"] == "windows":
+    if host_platform == "windows" and not env["use_mingw"]:
+        # MSVC
+        env.Append(LINKFLAGS=["/WX"])
+        if env["target"] == "debug":
+            env.Append(CCFLAGS=["/Z7", "/Od", "/EHsc", "/D_DEBUG", "/MDd"])
+        elif env["target"] == "release":
+            env.Append(CCFLAGS=["/O2", "/EHsc", "/DNDEBUG", "/MD"])
+
+    elif host_platform == "linux" or host_platform == "freebsd" or host_platform == "osx":
+        # Cross-compilation using MinGW
+        if env["bits"] == "64":
+            env["CXX"] = "x86_64-w64-mingw32-g++"
+            env["AR"] = "x86_64-w64-mingw32-ar"
+            env["RANLIB"] = "x86_64-w64-mingw32-ranlib"
+            env["LINK"] = "x86_64-w64-mingw32-g++"
+        elif env["bits"] == "32":
+            env["CXX"] = "i686-w64-mingw32-g++"
+            env["AR"] = "i686-w64-mingw32-ar"
+            env["RANLIB"] = "i686-w64-mingw32-ranlib"
+            env["LINK"] = "i686-w64-mingw32-g++"
+
+    elif host_platform == "windows" and env["use_mingw"]:
+        # Don't Clone the environment. Because otherwise, SCons will pick up msvc stuff.
+        env = Environment(ENV=os.environ, tools=["mingw"])
+        opts.Update(env)
+
+        # Still need to use C++14.
+        env.Append(CCFLAGS=["-std=c++14"])
+        # Don't want lib prefixes
+        env["IMPLIBPREFIX"] = ""
+        env["SHLIBPREFIX"] = ""
+
+        env["SPAWN"] = mySpawn
+        env.Replace(ARFLAGS=["q"])
+
+    # Native or cross-compilation using MinGW
+    if host_platform == "linux" or host_platform == "freebsd" or host_platform == "osx" or env["use_mingw"]:
+        # These options are for a release build even using target=debug
+        env.Append(CCFLAGS=["-O3", "-Wwrite-strings"])
+        env.Append(
+            LINKFLAGS=[
+                "--static",
+                "-Wl,--no-undefined",
+                "-static-libgcc",
+                "-static-libstdc++",
+            ]
+        )
+
+elif env["platform"] == "android":
+    if host_platform == "windows":
+        # Don't Clone the environment. Because otherwise, SCons will pick up msvc stuff.
+        env = Environment(ENV=os.environ, tools=["mingw"])
+        opts.Update(env)
+
+        # Long line hack. Use custom spawn, quick AR append (to avoid files with the same names to override each other).
+        env["SPAWN"] = mySpawn
+        env.Replace(ARFLAGS=["q"])
+
+    # Verify NDK root
+    if not "ANDROID_NDK_ROOT" in env:
+        raise ValueError(
+            "To build for Android, ANDROID_NDK_ROOT must be defined. Please set ANDROID_NDK_ROOT to the root folder of your Android NDK installation."
+        )
+
+    # Validate API level
+    api_level = int(env["android_api_level"])
+    if env["android_arch"] in ["x86_64", "arm64v8"] and api_level < 21:
+        print("WARN: 64-bit Android architectures require an API level of at least 21; setting android_api_level=21")
+        env["android_api_level"] = "21"
+        api_level = 21
+
+    # Setup toolchain
+    toolchain = env["ANDROID_NDK_ROOT"] + "/toolchains/llvm/prebuilt/"
+    if host_platform == "windows":
+        toolchain += "windows"
+        import platform as pltfm
+
+        if pltfm.machine().endswith("64"):
+            toolchain += "-x86_64"
+    elif host_platform == "linux":
+        toolchain += "linux-x86_64"
+    elif host_platform == "osx":
+        toolchain += "darwin-x86_64"
+    env.PrependENVPath("PATH", toolchain + "/bin")  # This does nothing half of the time, but we'll put it here anyways
+
+    # Get architecture info
+    arch_info_table = {
+        "armv7": {
+            "march": "armv7-a",
+            "target": "armv7a-linux-androideabi",
+            "tool_path": "arm-linux-androideabi",
+            "compiler_path": "armv7a-linux-androideabi",
+            "ccflags": ["-mfpu=neon"],
+        },
+        "arm64v8": {
+            "march": "armv8-a",
+            "target": "aarch64-linux-android",
+            "tool_path": "aarch64-linux-android",
+            "compiler_path": "aarch64-linux-android",
+            "ccflags": [],
+        },
+        "x86": {
+            "march": "i686",
+            "target": "i686-linux-android",
+            "tool_path": "i686-linux-android",
+            "compiler_path": "i686-linux-android",
+            "ccflags": ["-mstackrealign"],
+        },
+        "x86_64": {
+            "march": "x86-64",
+            "target": "x86_64-linux-android",
+            "tool_path": "x86_64-linux-android",
+            "compiler_path": "x86_64-linux-android",
+            "ccflags": [],
+        },
+    }
+    arch_info = arch_info_table[env["android_arch"]]
+
+    # Setup tools
+    env["CC"] = toolchain + "/bin/clang"
+    env["CXX"] = toolchain + "/bin/clang++"
+    env["AR"] = toolchain + "/bin/llvm-ar"
+    env["AS"] = toolchain + "/bin/llvm-as"
+    env["LD"] = toolchain + "/bin/llvm-ld"
+    env["STRIP"] = toolchain + "/bin/llvm-strip"
+    env["RANLIB"] = toolchain + "/bin/llvm-ranlib"
+    env["SHLIBSUFFIX"] = ".so"
+
+    env.Append(
+        CCFLAGS=[
+            "--target=" + arch_info["target"] + env["android_api_level"],
+            "-march=" + arch_info["march"],
+            "-fPIC",
+        ]
+    )
+    env.Append(CCFLAGS=arch_info["ccflags"])
+    env.Append(LINKFLAGS=["--target=" + arch_info["target"] + env["android_api_level"], "-march=" + arch_info["march"]])
+
+    if env["target"] == "debug":
+        env.Append(CCFLAGS=["-Og", "-g"])
+    elif env["target"] == "release":
+        env.Append(CCFLAGS=["-O3"])
+
+elif env["platform"] == "javascript":
+    env["ENV"] = os.environ
+    env["CC"] = "emcc"
+    env["CXX"] = "em++"
+    env["AR"] = "emar"
+    env["RANLIB"] = "emranlib"
+    env.Append(CPPFLAGS=["-s", "SIDE_MODULE=1"])
+    env.Append(LINKFLAGS=["-s", "SIDE_MODULE=1"])
+    env["SHOBJSUFFIX"] = ".bc"
+    env["SHLIBSUFFIX"] = ".wasm"
+    # Use TempFileMunge since some AR invocations are too long for cmd.exe.
+    # Use POSIX-style paths, required with TempFileMunge.
+    env["ARCOM_POSIX"] = env["ARCOM"].replace("$TARGET", "$TARGET.posix").replace("$SOURCES", "$SOURCES.posix")
+    env["ARCOM"] = "${TEMPFILE(ARCOM_POSIX)}"
+
+    # All intermediate files are just LLVM bitcode.
+    env["OBJPREFIX"] = ""
+    env["OBJSUFFIX"] = ".bc"
+    env["PROGPREFIX"] = ""
+    # Program() output consists of multiple files, so specify suffixes manually at builder.
+    env["PROGSUFFIX"] = ""
+    env["LIBPREFIX"] = "lib"
+    env["LIBSUFFIX"] = ".a"
+    env["LIBPREFIXES"] = ["$LIBPREFIX"]
+    env["LIBSUFFIXES"] = ["$LIBSUFFIX"]
+    env.Replace(SHLINKFLAGS="$LINKFLAGS")
+    env.Replace(SHLINKFLAGS="$LINKFLAGS")
+
+    if env["target"] == "debug":
+        env.Append(CCFLAGS=["-O0", "-g"])
+    elif env["target"] == "release":
+        env.Append(CCFLAGS=["-O3"])
+
+# Cache
+scons_cache_path = os.environ.get("SCONS_CACHE")
+if scons_cache_path is not None:
+    CacheDir(scons_cache_path)
+    Decider("MD5")
+
+# Generate bindings
+env.Append(BUILDERS={"GenerateBindings": Builder(action=scons_generate_bindings, emitter=scons_emit_files)})
+json_api_file = ""
+
+if "custom_api_file" in env:
+    json_api_file = env["custom_api_file"]
+else:
+    json_api_file = os.path.join(os.getcwd(), env["headers_dir"], "api.json")
+
+bindings = env.GenerateBindings(
+    env.Dir("."), [json_api_file, "binding_generator.py"]
+)
+
+# Forces bindings regeneration.
+if env["generate_bindings"]:
+    AlwaysBuild(bindings)
+    NoCache(bindings)
+
+# Includes
+env.Append(CPPPATH=[[env.Dir(d) for d in [".", env["headers_dir"], "include", "include/gen", "include/core"]]])
+
+# Sources to compile
+sources = []
+add_sources(sources, "src/core", "cpp")
+sources.extend(f for f in bindings if str(f).endswith(".cpp"))
+
+arch_suffix = env["bits"]
+if env["platform"] == "android":
+    arch_suffix = env["android_arch"]
+elif env["platform"] == "ios":
+    arch_suffix = env["ios_arch"]
+    if env["ios_simulator"]:
+        arch_suffix += ".simulator"
+elif env["platform"] == "osx":
+    if env["macos_arch"] != "universal":
+        arch_suffix = env["macos_arch"]
+elif env["platform"] == "javascript":
+    arch_suffix = "wasm"
+# Expose it to projects that import this env.
+env["arch_suffix"] = arch_suffix
+
+library = None
+env["OBJSUFFIX"] = ".{}.{}.{}{}".format(env["platform"], env["target"], arch_suffix, env["OBJSUFFIX"])
+library_name = "libgodot-cpp.{}.{}.{}{}".format(env["platform"], env["target"], arch_suffix, env["LIBSUFFIX"])
+
+if env["build_library"]:
+    library = env.StaticLibrary(target=env.File("bin/%s" % library_name), source=sources)
+    Default(library)
+
+env.Append(LIBPATH=[env.Dir("bin")])
+env.Append(LIBS=library_name)
+Return("env")

binding_generator.py

@@ -0,0 +1,955 @@
+#!/usr/bin/env python
+from __future__ import print_function
+import json
+import os
+import errno
+from pathlib import Path
+
+# Convenience function for using template get_node
+def correct_method_name(method_list):
+    for method in method_list:
+        if method["name"] == "get_node":
+            method["name"] = "get_node_internal"
+
+
+classes = []
+
+
+def get_file_list(api_filepath, output_dir, headers=False, sources=False):
+    global classes
+    files = []
+    with open(api_filepath) as api_file:
+        classes = json.load(api_file)
+    include_gen_folder = Path(output_dir) / "include" / "gen"
+    source_gen_folder = Path(output_dir) / "src" / "gen"
+    for _class in classes:
+        header_filename = include_gen_folder / (strip_name(_class["name"]) + ".hpp")
+        source_filename = source_gen_folder / (strip_name(_class["name"]) + ".cpp")
+        if headers:
+            files.append(str(header_filename.as_posix()))
+        if sources:
+            files.append(str(source_filename.as_posix()))
+    icall_header_filename = include_gen_folder / "__icalls.hpp"
+    register_types_filename = source_gen_folder / "__register_types.cpp"
+    init_method_bindings_filename = source_gen_folder / "__init_method_bindings.cpp"
+    if headers:
+        files.append(str(icall_header_filename.as_posix()))
+    if sources:
+        files.append(str(register_types_filename.as_posix()))
+        files.append(str(init_method_bindings_filename.as_posix()))
+    return files
+
+
+def print_file_list(api_filepath, output_dir, headers=False, sources=False):
+    for f in get_file_list(api_filepath, output_dir, headers, sources):
+        print(f, end=";")
+
+
+def scons_emit_files(target, source, env):
+    files = [env.File(f) for f in get_file_list(str(source[0]), target[0].abspath, True, True)]
+    env.Clean(target, files)
+    env["godot_cpp_gen_dir"] = target[0].abspath
+    return files, source
+
+
+def scons_generate_bindings(target, source, env):
+    generate_bindings(str(source[0]), env["generate_template_get_node"], env["godot_cpp_gen_dir"])
+    return None
+
+
+def generate_bindings(api_filepath, use_template_get_node, output_dir="."):
+    global classes
+    with open(api_filepath) as api_file:
+        classes = json.load(api_file)
+
+    icalls = set()
+    include_gen_folder = Path(output_dir) / "include" / "gen"
+    source_gen_folder = Path(output_dir) / "src" / "gen"
+
+    include_gen_folder.mkdir(parents=True, exist_ok=True)
+    source_gen_folder.mkdir(parents=True, exist_ok=True)
+
+    for c in classes:
+        # print(c['name'])
+        used_classes = sorted(get_used_classes(c))
+        if use_template_get_node and c["name"] == "Node":
+            correct_method_name(c["methods"])
+
+        header = generate_class_header(used_classes, c, use_template_get_node)
+
+        impl = generate_class_implementation(icalls, used_classes, c, use_template_get_node)
+
+        header_filename = include_gen_folder / (strip_name(c["name"]) + ".hpp")
+        with header_filename.open("w+") as header_file:
+            header_file.write(header)
+
+        source_filename = source_gen_folder / (strip_name(c["name"]) + ".cpp")
+        with source_filename.open("w+") as source_file:
+            source_file.write(impl)
+
+    icall_header_filename = include_gen_folder / "__icalls.hpp"
+    with icall_header_filename.open("w+") as icall_header_file:
+        icall_header_file.write(generate_icall_header(icalls))
+
+    register_types_filename = source_gen_folder / "__register_types.cpp"
+    with register_types_filename.open("w+") as register_types_file:
+        register_types_file.write(generate_type_registry(classes))
+
+    init_method_bindings_filename = source_gen_folder / "__init_method_bindings.cpp"
+    with init_method_bindings_filename.open("w+") as init_method_bindings_file:
+        init_method_bindings_file.write(generate_init_method_bindings(classes))
+
+
+def is_reference_type(t):
+    for c in classes:
+        if c["name"] != t:
+            continue
+        if c["is_reference"]:
+            return True
+    return False
+
+
+def make_gdnative_type(t, ref_allowed):
+    if is_enum(t):
+        return remove_enum_prefix(t) + " "
+    elif is_class_type(t):
+        if is_reference_type(t) and ref_allowed:
+            return "Ref<" + strip_name(t) + "> "
+        else:
+            return strip_name(t) + " *"
+    else:
+        if t == "int":
+            return "int64_t "
+        if t == "float" or t == "real":
+            return "real_t "
+        return strip_name(t) + " "
+
+
+def generate_class_header(used_classes, c, use_template_get_node):
+
+    source = []
+    source.append("#ifndef GODOT_CPP_" + strip_name(c["name"]).upper() + "_HPP")
+    source.append("#define GODOT_CPP_" + strip_name(c["name"]).upper() + "_HPP")
+    source.append("")
+    source.append("")
+
+    source.append("#include <gdnative_api_struct.gen.h>")
+    source.append("#include <cstdint>")
+    source.append("")
+
+    source.append("#include <core/CoreTypes.hpp>")
+
+    class_name = strip_name(c["name"])
+
+    # Ref<T> is not included in object.h in Godot either,
+    # so don't include it here because it's not needed
+    if class_name != "Object" and class_name != "Reference":
+        source.append("#include <core/Ref.hpp>")
+        ref_allowed = True
+    else:
+        source.append("#include <core/TagDB.hpp>")
+        ref_allowed = False
+
+    included = []
+
+    for used_class in used_classes:
+        if is_enum(used_class) and is_nested_type(used_class):
+            used_class_name = remove_enum_prefix(extract_nested_type(used_class))
+            if used_class_name not in included:
+                included.append(used_class_name)
+                source.append('#include "' + used_class_name + '.hpp"')
+        elif is_enum(used_class) and is_nested_type(used_class) and not is_nested_type(used_class, class_name):
+            used_class_name = remove_enum_prefix(used_class)
+            if used_class_name not in included:
+                included.append(used_class_name)
+                source.append('#include "' + used_class_name + '.hpp"')
+
+    source.append("")
+
+    if c["base_class"] != "":
+        source.append('#include "' + strip_name(c["base_class"]) + '.hpp"')
+
+    source.append("namespace godot {")
+    source.append("")
+
+    for used_type in used_classes:
+        if is_enum(used_type) or is_nested_type(used_type, class_name):
+            continue
+        else:
+            source.append("class " + strip_name(used_type) + ";")
+
+    source.append("")
+
+    vararg_templates = ""
+
+    # generate the class definition here
+    source.append(
+        "class "
+        + class_name
+        + (" : public _Wrapped" if c["base_class"] == "" else (" : public " + strip_name(c["base_class"])))
+        + " {"
+    )
+
+    if c["base_class"] == "":
+        source.append("public: enum { ___CLASS_IS_SCRIPT = 0, };")
+        source.append("")
+        source.append("private:")
+
+    if c["singleton"]:
+        source.append("\tstatic " + class_name + " *_singleton;")
+        source.append("")
+        source.append("\t" + class_name + "();")
+        source.append("")
+
+    # Generate method table
+    source.append("\tstruct ___method_bindings {")
+
+    for method in c["methods"]:
+        source.append("\t\tgodot_method_bind *mb_" + method["name"] + ";")
+
+    source.append("\t};")
+    source.append("\tstatic ___method_bindings ___mb;")
+    source.append("\tstatic void *_detail_class_tag;")
+    source.append("")
+    source.append("public:")
+    source.append("\tstatic void ___init_method_bindings();")
+
+    # class id from core engine for casting
+    source.append("\tinline static size_t ___get_id() { return (size_t)_detail_class_tag; }")
+
+    source.append("")
+
+    if c["singleton"]:
+        source.append("\tstatic inline " + class_name + " *get_singleton()")
+        source.append("\t{")
+        source.append("\t\tif (!" + class_name + "::_singleton) {")
+        source.append("\t\t\t" + class_name + "::_singleton = new " + class_name + ";")
+        source.append("\t\t}")
+        source.append("\t\treturn " + class_name + "::_singleton;")
+        source.append("\t}")
+        source.append("")
+
+        # godot::api->godot_global_get_singleton((char *) \"" + strip_name(c["name"]) + "\");"
+
+    # class name:
+    # Two versions needed needed because when the user implements a custom class,
+    # we want to override `___get_class_name` while `___get_godot_class_name` can keep returning the base name
+    source.append(
+        '\tstatic inline const char *___get_class_name() { return (const char *) "' + strip_name(c["name"]) + '"; }'
+    )
+    source.append(
+        '\tstatic inline const char *___get_godot_class_name() { return (const char *) "'
+        + strip_name(c["name"])
+        + '"; }'
+    )
+
+    source.append(
+        "\tstatic inline Object *___get_from_variant(Variant a) { godot_object *o = (godot_object*) a; return (o) ? (Object *) godot::nativescript_1_1_api->godot_nativescript_get_instance_binding_data(godot::_RegisterState::language_index, o) : nullptr; }"
+    )
+
+    enum_values = []
+
+    source.append("\n\t// enums")
+    for enum in c["enums"]:
+        source.append("\tenum " + strip_name(enum["name"]) + " {")
+        for value in enum["values"]:
+            source.append("\t\t" + remove_nested_type_prefix(value) + " = " + str(enum["values"][value]) + ",")
+            enum_values.append(value)
+        source.append("\t};")
+
+    source.append("\n\t// constants")
+
+    for name in c["constants"]:
+        if name not in enum_values:
+            source.append("\tconst static int " + name + " = " + str(c["constants"][name]) + ";")
+
+    if c["instanciable"]:
+        source.append("")
+        source.append("")
+        source.append("\tstatic " + class_name + " *_new();")
+
+    source.append("\n\t// methods")
+
+    if class_name == "Object":
+        source.append("#ifndef GODOT_CPP_NO_OBJECT_CAST")
+        source.append("\ttemplate<class T>")
+        source.append("\tstatic T *cast_to(const Object *obj);")
+        source.append("#endif")
+        source.append("")
+
+    for method in c["methods"]:
+        method_signature = ""
+
+        # TODO decide what to do about virtual methods
+        # method_signature += "virtual " if method["is_virtual"] else ""
+        method_signature += make_gdnative_type(method["return_type"], ref_allowed)
+        method_name = escape_cpp(method["name"])
+        method_signature += method_name + "("
+
+        has_default_argument = False
+        method_arguments = ""
+
+        for i, argument in enumerate(method["arguments"]):
+            method_signature += "const " + make_gdnative_type(argument["type"], ref_allowed)
+            argument_name = escape_cpp(argument["name"])
+            method_signature += argument_name
+            method_arguments += argument_name
+
+            # default arguments
+            def escape_default_arg(_type, default_value):
+                if _type == "Color":
+                    return "Color(" + default_value + ")"
+                if _type == "bool" or _type == "int":
+                    return default_value.lower()
+                if _type == "Array":
+                    return "Array()"
+                if _type in [
+                    "PoolVector2Array",
+                    "PoolStringArray",
+                    "PoolVector3Array",
+                    "PoolColorArray",
+                    "PoolIntArray",
+                    "PoolRealArray",
+                    "PoolByteArray",
+                ]:
+                    return _type + "()"
+                if _type == "Vector2":
+                    return "Vector2" + default_value
+                if _type == "Vector3":
+                    return "Vector3" + default_value
+                if _type == "Transform":
+                    return "Transform()"
+                if _type == "Transform2D":
+                    return "Transform2D()"
+                if _type == "Rect2":
+                    return "Rect2" + default_value
+                if _type == "Variant":
+                    return "Variant()" if default_value == "Null" else default_value
+                if _type == "String" or _type == "NodePath":
+                    return '"' + default_value + '"'
+                if _type == "RID":
+                    return "RID()"
+
+                if default_value == "Null" or default_value == "[Object:null]":
+                    return "nullptr"
+
+                return default_value
+
+            if argument["has_default_value"] or has_default_argument:
+                method_signature += " = " + escape_default_arg(argument["type"], argument["default_value"])
+                has_default_argument = True
+
+            if i != len(method["arguments"]) - 1:
+                method_signature += ", "
+                method_arguments += ","
+
+        if method["has_varargs"]:
+            if len(method["arguments"]) > 0:
+                method_signature += ", "
+                method_arguments += ", "
+            vararg_templates += (
+                "\ttemplate <class... Args> "
+                + method_signature
+                + "Args... args){\n\t\treturn "
+                + method_name
+                + "("
+                + method_arguments
+                + "Array::make(args...));\n\t}\n"
+                ""
+            )
+            method_signature += "const Array& __var_args = Array()"
+
+        method_signature += ")" + (" const" if method["is_const"] else "")
+
+        source.append("\t" + method_signature + ";")
+
+    source.append(vararg_templates)
+
+    if use_template_get_node and class_name == "Node":
+        # Extra definition for template get_node that calls the renamed get_node_internal; has a default template parameter for backwards compatibility.
+        source.append("\ttemplate <class T = Node>")
+        source.append("\tT *get_node(const NodePath path) const {")
+        source.append("\t\treturn Object::cast_to<T>(get_node_internal(path));")
+        source.append("\t}")
+
+        source.append("};")
+        source.append("")
+
+        # ...And a specialized version so we don't unnecessarily cast when using the default.
+        source.append("template <>")
+        source.append("inline Node *Node::get_node<Node>(const NodePath path) const {")
+        source.append("\treturn get_node_internal(path);")
+        source.append("}")
+        source.append("")
+    else:
+        source.append("};")
+        source.append("")
+
+    source.append("}")
+    source.append("")
+
+    source.append("#endif")
+
+    return "\n".join(source)
+
+
+def generate_class_implementation(icalls, used_classes, c, use_template_get_node):
+    class_name = strip_name(c["name"])
+
+    ref_allowed = class_name != "Object" and class_name != "Reference"
+
+    source = []
+    source.append('#include "' + class_name + '.hpp"')
+    source.append("")
+    source.append("")
+
+    source.append("#include <core/GodotGlobal.hpp>")
+    source.append("#include <core/CoreTypes.hpp>")
+    source.append("#include <core/Ref.hpp>")
+
+    source.append("#include <core/Godot.hpp>")
+    source.append("")
+
+    source.append('#include "__icalls.hpp"')
+    source.append("")
+    source.append("")
+
+    for used_class in used_classes:
+        if is_enum(used_class):
+            continue
+        else:
+            source.append('#include "' + strip_name(used_class) + '.hpp"')
+
+    source.append("")
+    source.append("")
+
+    source.append("namespace godot {")
+
+    core_object_name = "this"
+
+    source.append("")
+    source.append("")
+
+    if c["singleton"]:
+        source.append("" + class_name + " *" + class_name + "::_singleton = NULL;")
+        source.append("")
+        source.append("")
+
+        # FIXME Test if inlining has a huge impact on binary size
+        source.append(class_name + "::" + class_name + "() {")
+        source.append('\t_owner = godot::api->godot_global_get_singleton((char *) "' + strip_name(c["name"]) + '");')
+        source.append("}")
+
+        source.append("")
+        source.append("")
+
+    # Method table initialization
+    source.append(class_name + "::___method_bindings " + class_name + "::___mb = {};")
+    source.append("")
+
+    source.append("void *" + class_name + "::_detail_class_tag = nullptr;")
+    source.append("")
+
+    source.append("void " + class_name + "::___init_method_bindings() {")
+
+    for method in c["methods"]:
+        source.append(
+            "\t___mb.mb_"
+            + method["name"]
+            + ' = godot::api->godot_method_bind_get_method("'
+            + c["name"]
+            + '", "'
+            + ("get_node" if use_template_get_node and method["name"] == "get_node_internal" else method["name"])
+            + '");'
+        )
+
+    source.append("\tgodot_string_name class_name;")
+    source.append('\tgodot::api->godot_string_name_new_data(&class_name, "' + c["name"] + '");')
+    source.append("\t_detail_class_tag = godot::core_1_2_api->godot_get_class_tag(&class_name);")
+    source.append("\tgodot::api->godot_string_name_destroy(&class_name);")
+
+    source.append("}")
+    source.append("")
+
+    if c["instanciable"]:
+        source.append(class_name + " *" + strip_name(c["name"]) + "::_new()")
+        source.append("{")
+        source.append(
+            "\treturn ("
+            + class_name
+            + ' *) godot::nativescript_1_1_api->godot_nativescript_get_instance_binding_data(godot::_RegisterState::language_index, godot::api->godot_get_class_constructor((char *)"'
+            + c["name"]
+            + '")());'
+        )
+        source.append("}")
+
+    for method in c["methods"]:
+        method_signature = ""
+
+        method_signature += make_gdnative_type(method["return_type"], ref_allowed)
+        method_signature += strip_name(c["name"]) + "::" + escape_cpp(method["name"]) + "("
+
+        for i, argument in enumerate(method["arguments"]):
+            method_signature += "const " + make_gdnative_type(argument["type"], ref_allowed)
+            method_signature += escape_cpp(argument["name"])
+
+            if i != len(method["arguments"]) - 1:
+                method_signature += ", "
+
+        if method["has_varargs"]:
+            if len(method["arguments"]) > 0:
+                method_signature += ", "
+            method_signature += "const Array& __var_args"
+
+        method_signature += ")" + (" const" if method["is_const"] else "")
+
+        source.append(method_signature + " {")
+
+        if method["name"] == "free":
+            # dirty hack because Object::free is marked virtual but doesn't actually exist...
+            source.append("\tgodot::api->godot_object_destroy(_owner);")
+            source.append("}")
+            source.append("")
+            continue
+
+        return_statement = ""
+        return_type_is_ref = is_reference_type(method["return_type"]) and ref_allowed
+
+        if method["return_type"] != "void":
+            if is_class_type(method["return_type"]):
+                if is_enum(method["return_type"]):
+                    return_statement += "return (" + remove_enum_prefix(method["return_type"]) + ") "
+                elif return_type_is_ref:
+                    return_statement += "return Ref<" + strip_name(method["return_type"]) + ">::__internal_constructor("
+                else:
+                    return_statement += "return " + (
+                        "(" + strip_name(method["return_type"]) + " *) " if is_class_type(method["return_type"]) else ""
+                    )
+            else:
+                return_statement += "return "
+
+        def get_icall_type_name(name):
+            if is_enum(name):
+                return "int"
+            if is_class_type(name):
+                return "Object"
+            return name
+
+        if method["has_varargs"]:
+
+            if len(method["arguments"]) != 0:
+                source.append("\tVariant __given_args[" + str(len(method["arguments"])) + "];")
+
+            for i, argument in enumerate(method["arguments"]):
+                source.append("\tgodot::api->godot_variant_new_nil((godot_variant *) &__given_args[" + str(i) + "]);")
+
+            source.append("")
+
+            for i, argument in enumerate(method["arguments"]):
+                source.append("\t__given_args[" + str(i) + "] = " + escape_cpp(argument["name"]) + ";")
+
+            source.append("")
+
+            size = ""
+            if method["has_varargs"]:
+                size = "(__var_args.size() + " + str(len(method["arguments"])) + ")"
+            else:
+                size = "(" + str(len(method["arguments"])) + ")"
+
+            source.append(
+                "\tgodot_variant **__args = (godot_variant **) alloca(sizeof(godot_variant *) * " + size + ");"
+            )
+
+            source.append("")
+
+            for i, argument in enumerate(method["arguments"]):
+                source.append("\t__args[" + str(i) + "] = (godot_variant *) &__given_args[" + str(i) + "];")
+
+            source.append("")
+
+            if method["has_varargs"]:
+                source.append("\tfor (int i = 0; i < __var_args.size(); i++) {")
+                source.append(
+                    "\t\t__args[i + "
+                    + str(len(method["arguments"]))
+                    + "] = (godot_variant *) &((Array &) __var_args)[i];"
+                )
+                source.append("\t}")
+
+            source.append("")
+
+            source.append("\tVariant __result;")
+            source.append(
+                "\t*(godot_variant *) &__result = godot::api->godot_method_bind_call(___mb.mb_"
+                + method["name"]
+                + ", ((const Object *) "
+                + core_object_name
+                + ")->_owner, (const godot_variant **) __args, "
+                + size
+                + ", nullptr);"
+            )
+
+            source.append("")
+
+            if is_class_type(method["return_type"]):
+                source.append("\tObject *obj = Object::___get_from_variant(__result);")
+                source.append('\tif (obj->has_method("reference"))')
+                source.append('\t\tobj->callv("reference", Array());')
+
+                source.append("")
+
+            for i, argument in enumerate(method["arguments"]):
+                source.append("\tgodot::api->godot_variant_destroy((godot_variant *) &__given_args[" + str(i) + "]);")
+
+            source.append("")
+
+            if method["return_type"] != "void":
+                cast = ""
+                if is_class_type(method["return_type"]):
+                    if return_type_is_ref:
+                        cast += "Ref<" + strip_name(method["return_type"]) + ">::__internal_constructor(__result);"
+                    else:
+                        cast += (
+                            "("
+                            + strip_name(method["return_type"])
+                            + " *) "
+                            + strip_name(method["return_type"] + "::___get_from_variant(")
+                            + "__result);"
+                        )
+                else:
+                    cast += "__result;"
+                source.append("\treturn " + cast)
+
+        else:
+
+            args = []
+            for arg in method["arguments"]:
+                args.append(get_icall_type_name(arg["type"]))
+
+            icall_ret_type = get_icall_type_name(method["return_type"])
+
+            icall_sig = tuple((icall_ret_type, tuple(args)))
+
+            icalls.add(icall_sig)
+
+            icall_name = get_icall_name(icall_sig)
+
+            return_statement += icall_name + "(___mb.mb_" + method["name"] + ", (const Object *) " + core_object_name
+
+            for arg in method["arguments"]:
+                arg_is_ref = is_reference_type(arg["type"]) and ref_allowed
+                return_statement += ", " + escape_cpp(arg["name"]) + (".ptr()" if arg_is_ref else "")
+
+            return_statement += ")"
+
+            if return_type_is_ref:
+                return_statement += ")"
+
+            source.append("\t" + return_statement + ";")
+
+        source.append("}")
+        source.append("")
+
+    source.append("}")
+
+    return "\n".join(source)
+
+
+def generate_icall_header(icalls):
+
+    source = []
+    source.append("#ifndef GODOT_CPP__ICALLS_HPP")
+    source.append("#define GODOT_CPP__ICALLS_HPP")
+
+    source.append("")
+
+    source.append("#include <gdnative_api_struct.gen.h>")
+    source.append("#include <stdint.h>")
+    source.append("")
+
+    source.append("#include <core/GodotGlobal.hpp>")
+    source.append("#include <core/CoreTypes.hpp>")
+    source.append('#include "Object.hpp"')
+    source.append("")
+    source.append("")
+
+    source.append("namespace godot {")
+    source.append("")
+
+    for icall in icalls:
+        ret_type = icall[0]
+        args = icall[1]
+
+        method_signature = "static inline "
+
+        method_signature += (
+            get_icall_return_type(ret_type) + get_icall_name(icall) + "(godot_method_bind *mb, const Object *inst"
+        )
+
+        for i, arg in enumerate(args):
+            method_signature += ", const "
+
+            if is_core_type(arg):
+                method_signature += arg + "&"
+            elif arg == "int":
+                method_signature += "int64_t "
+            elif arg == "float":
+                method_signature += "double "
+            elif is_primitive(arg):
+                method_signature += arg + " "
+            else:
+                method_signature += "Object *"
+
+            method_signature += "arg" + str(i)
+
+        method_signature += ")"
+
+        source.append(method_signature + " {")
+
+        if ret_type != "void":
+            source.append(
+                "\t" + ("godot_object *" if is_class_type(ret_type) else get_icall_return_type(ret_type)) + "ret;"
+            )
+            if is_class_type(ret_type):
+                source.append("\tret = nullptr;")
+
+        source.append("\tconst void *args[" + ("1" if len(args) == 0 else "") + "] = {")
+
+        for i, arg in enumerate(args):
+
+            wrapped_argument = "\t\t"
+            if is_primitive(arg) or is_core_type(arg):
+                wrapped_argument += "(void *) &arg" + str(i)
+            else:
+                wrapped_argument += "(void *) (arg" + str(i) + ") ? arg" + str(i) + "->_owner : nullptr"
+
+            wrapped_argument += ","
+            source.append(wrapped_argument)
+
+        source.append("\t};")
+        source.append("")
+
+        source.append(
+            "\tgodot::api->godot_method_bind_ptrcall(mb, inst->_owner, args, "
+            + ("nullptr" if ret_type == "void" else "&ret")
+            + ");"
+        )
+
+        if ret_type != "void":
+            if is_class_type(ret_type):
+                source.append("\tif (ret) {")
+                source.append(
+                    "\t\treturn (Object *) godot::nativescript_1_1_api->godot_nativescript_get_instance_binding_data(godot::_RegisterState::language_index, ret);"
+                )
+                source.append("\t}")
+                source.append("")
+                source.append("\treturn (Object *) ret;")
+            else:
+                source.append("\treturn ret;")
+
+        source.append("}")
+        source.append("")
+
+    source.append("}")
+    source.append("")
+
+    source.append("#endif")
+
+    return "\n".join(source)
+
+
+def generate_type_registry(classes):
+    source = []
+
+    source.append('#include "TagDB.hpp"')
+    source.append("#include <typeinfo>")
+    source.append("\n")
+
+    for c in classes:
+        source.append("#include <" + strip_name(c["name"]) + ".hpp>")
+
+    source.append("")
+    source.append("")
+
+    source.append("namespace godot {")
+
+    source.append("void ___register_types()")
+    source.append("{")
+
+    for c in classes:
+        class_name = strip_name(c["name"])
+        base_class_name = strip_name(c["base_class"])
+
+        class_type_hash = "typeid(" + class_name + ").hash_code()"
+
+        base_class_type_hash = "typeid(" + base_class_name + ").hash_code()"
+
+        if base_class_name == "":
+            base_class_type_hash = "0"
+
+        source.append(
+            '\tgodot::_TagDB::register_global_type("'
+            + c["name"]
+            + '", '
+            + class_type_hash
+            + ", "
+            + base_class_type_hash
+            + ");"
+        )
+
+    source.append("}")
+
+    source.append("")
+    source.append("}")
+
+    return "\n".join(source)
+
+
+def generate_init_method_bindings(classes):
+    source = []
+
+    for c in classes:
+        source.append("#include <" + strip_name(c["name"]) + ".hpp>")
+
+    source.append("")
+    source.append("")
+
+    source.append("namespace godot {")
+
+    source.append("void ___init_method_bindings()")
+    source.append("{")
+
+    for c in classes:
+        source.append("\t" + strip_name(c["name"]) + "::___init_method_bindings();")
+
+    source.append("}")
+
+    source.append("")
+    source.append("}")
+
+    return "\n".join(source)
+
+
+def get_icall_return_type(t):
+    if is_class_type(t):
+        return "Object *"
+    if t == "int":
+        return "int64_t "
+    if t == "float" or t == "real":
+        return "double "
+    return t + " "
+
+
+def get_icall_name(sig):
+    ret_type = sig[0]
+    args = sig[1]
+
+    name = "___godot_icall_"
+    name += strip_name(ret_type)
+    for arg in args:
+        name += "_" + strip_name(arg)
+
+    return name
+
+
+def get_used_classes(c):
+    classes = []
+    for method in c["methods"]:
+        if is_class_type(method["return_type"]) and not (method["return_type"] in classes):
+            classes.append(method["return_type"])
+
+        for arg in method["arguments"]:
+            if is_class_type(arg["type"]) and not (arg["type"] in classes):
+                classes.append(arg["type"])
+    return classes
+
+
+def strip_name(name):
+    if len(name) == 0:
+        return name
+    if name[0] == "_":
+        return name[1:]
+    return name
+
+
+def extract_nested_type(nested_type):
+    return strip_name(nested_type[: nested_type.find("::")])
+
+
+def remove_nested_type_prefix(name):
+    return name if name.find("::") == -1 else strip_name(name[name.find("::") + 2 :])
+
+
+def remove_enum_prefix(name):
+    return strip_name(name[name.find("enum.") + 5 :])
+
+
+def is_nested_type(name, type=""):
+    return name.find(type + "::") != -1
+
+
+def is_enum(name):
+    return name.find("enum.") == 0
+
+
+def is_class_type(name):
+    return not is_core_type(name) and not is_primitive(name)
+
+
+def is_core_type(name):
+    core_types = [
+        "Array",
+        "Basis",
+        "Color",
+        "Dictionary",
+        "Error",
+        "NodePath",
+        "Plane",
+        "PoolByteArray",
+        "PoolIntArray",
+        "PoolRealArray",
+        "PoolStringArray",
+        "PoolVector2Array",
+        "PoolVector3Array",
+        "PoolColorArray",
+        "PoolIntArray",
+        "PoolRealArray",
+        "Quat",
+        "Rect2",
+        "AABB",
+        "RID",
+        "String",
+        "Transform",
+        "Transform2D",
+        "Variant",
+        "Vector2",
+        "Vector3",
+    ]
+    return name in core_types
+
+
+def is_primitive(name):
+    core_types = ["int", "bool", "real", "float", "void"]
+    return name in core_types
+
+
+def escape_cpp(name):
+    escapes = {
+        "class": "_class",
+        "enum": "_enum",
+        "char": "_char",
+        "short": "_short",
+        "bool": "_bool",
+        "int": "_int",
+        "default": "_default",
+        "case": "_case",
+        "switch": "_switch",
+        "export": "_export",
+        "template": "_template",
+        "new": "new_",
+        "operator": "_operator",
+        "typename": "_typename",
+    }
+    if name in escapes:
+        return escapes[name]
+    return name

include/core/AABB.hpp

@@ -0,0 +1,110 @@
+/*************************************************************************/
+/*  AABB.hpp                                                             */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                      https://godotengine.org                          */
+/*************************************************************************/
+/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur.                 */
+/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md).   */
+/*                                                                       */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the       */
+/* "Software"), to deal in the Software without restriction, including   */
+/* without limitation the rights to use, copy, modify, merge, publish,   */
+/* distribute, sublicense, and/or sell copies of the Software, and to    */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions:                                             */
+/*                                                                       */
+/* The above copyright notice and this permission notice shall be        */
+/* included in all copies or substantial portions of the Software.       */
+/*                                                                       */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
+/*************************************************************************/
+
+#ifndef AABB_H
+#define AABB_H
+
+#include "Vector3.hpp"
+
+#include "Plane.hpp"
+
+#include <cstdlib>
+
+namespace godot {
+
+class AABB {
+public:
+	Vector3 position;
+	Vector3 size;
+
+	real_t get_area() const; /// get area
+	inline bool has_no_area() const {
+		return (size.x <= CMP_EPSILON || size.y <= CMP_EPSILON || size.z <= CMP_EPSILON);
+	}
+
+	inline bool has_no_surface() const {
+		return (size.x <= CMP_EPSILON && size.y <= CMP_EPSILON && size.z <= CMP_EPSILON);
+	}
+
+	inline const Vector3 &get_position() const { return position; }
+	inline void set_position(const Vector3 &p_position) { position = p_position; }
+	inline const Vector3 &get_size() const { return size; }
+	inline void set_size(const Vector3 &p_size) { size = p_size; }
+
+	bool operator==(const AABB &p_rval) const;
+	bool operator!=(const AABB &p_rval) const;
+
+	bool intersects(const AABB &p_aabb) const; /// Both AABBs overlap
+	bool intersects_inclusive(const AABB &p_aabb) const; /// Both AABBs (or their faces) overlap
+	bool encloses(const AABB &p_aabb) const; /// p_aabb is completely inside this
+
+	AABB merge(const AABB &p_with) const;
+	void merge_with(const AABB &p_aabb); ///merge with another AABB
+	AABB intersection(const AABB &p_aabb) const; ///get box where two intersect, empty if no intersection occurs
+	bool intersects_segment(const Vector3 &p_from, const Vector3 &p_to, Vector3 *r_clip = nullptr, Vector3 *r_normal = nullptr) const;
+	bool intersects_ray(const Vector3 &p_from, const Vector3 &p_dir, Vector3 *r_clip = nullptr, Vector3 *r_normal = nullptr) const;
+	bool smits_intersect_ray(const Vector3 &from, const Vector3 &p_dir, real_t t0, real_t t1) const;
+
+	bool intersects_convex_shape(const Plane *p_plane, int p_plane_count) const;
+	bool intersects_plane(const Plane &p_plane) const;
+
+	bool has_point(const Vector3 &p_point) const;
+	Vector3 get_support(const Vector3 &p_normal) const;
+
+	Vector3 get_longest_axis() const;
+	int get_longest_axis_index() const;
+	real_t get_longest_axis_size() const;
+
+	Vector3 get_shortest_axis() const;
+	int get_shortest_axis_index() const;
+	real_t get_shortest_axis_size() const;
+
+	AABB grow(real_t p_by) const;
+	void grow_by(real_t p_amount);
+
+	void get_edge(int p_edge, Vector3 &r_from, Vector3 &r_to) const;
+	Vector3 get_endpoint(int p_point) const;
+
+	AABB expand(const Vector3 &p_vector) const;
+	void project_range_in_plane(const Plane &p_plane, real_t &r_min, real_t &r_max) const;
+	void expand_to(const Vector3 &p_vector); /** expand to contain a point if necesary */
+
+	operator String() const;
+
+	inline AABB() {}
+	inline AABB(const Vector3 &p_pos, const Vector3 &p_size) {
+		position = p_pos;
+		size = p_size;
+	}
+};
+
+} // namespace godot
+
+#endif // RECT3_H

include/core/Array.hpp

@@ -0,0 +1,191 @@
+/*************************************************************************/
+/*  Array.hpp                                                            */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                      https://godotengine.org                          */
+/*************************************************************************/
+/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur.                 */
+/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md).   */
+/*                                                                       */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the       */
+/* "Software"), to deal in the Software without restriction, including   */
+/* without limitation the rights to use, copy, modify, merge, publish,   */
+/* distribute, sublicense, and/or sell copies of the Software, and to    */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions:                                             */
+/*                                                                       */
+/* The above copyright notice and this permission notice shall be        */
+/* included in all copies or substantial portions of the Software.       */
+/*                                                                       */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
+/*************************************************************************/
+
+#ifndef ARRAY_H
+#define ARRAY_H
+
+#include <gdnative/array.h>
+
+#include "String.hpp"
+
+namespace godot {
+
+namespace helpers {
+template <typename T, typename ValueT>
+T append_all(T appendable, ValueT value) {
+	appendable.append(value);
+	return appendable;
+}
+
+template <typename T, typename ValueT, typename... Args>
+T append_all(T appendable, ValueT value, Args... args) {
+	appendable.append(value);
+	return append_all(appendable, args...);
+}
+
+template <typename T>
+T append_all(T appendable) {
+	return appendable;
+}
+
+template <typename KV, typename KeyT, typename ValueT>
+KV add_all(KV kv, KeyT key, ValueT value) {
+	kv[key] = value;
+	return kv;
+}
+
+template <typename KV, typename KeyT, typename ValueT, typename... Args>
+KV add_all(KV kv, KeyT key, ValueT value, Args... args) {
+	kv[key] = value;
+	return add_all(kv, args...);
+}
+
+template <typename KV>
+KV add_all(KV kv) {
+	return kv;
+}
+} // namespace helpers
+
+class Variant;
+class PoolByteArray;
+class PoolIntArray;
+class PoolRealArray;
+class PoolStringArray;
+class PoolVector2Array;
+class PoolVector3Array;
+class PoolColorArray;
+
+class Object;
+
+class Array {
+	godot_array _godot_array;
+
+	friend class Variant;
+	friend class Dictionary;
+	friend class String;
+	inline explicit Array(const godot_array &other) {
+		_godot_array = other;
+	}
+
+public:
+	Array();
+	Array(const Array &other);
+	Array &operator=(const Array &other);
+
+	Array(const PoolByteArray &a);
+
+	Array(const PoolIntArray &a);
+
+	Array(const PoolRealArray &a);
+
+	Array(const PoolStringArray &a);
+
+	Array(const PoolVector2Array &a);
+
+	Array(const PoolVector3Array &a);
+
+	Array(const PoolColorArray &a);
+
+	template <class... Args>
+	static Array make(Args... args) {
+		return helpers::append_all(Array(), args...);
+	}
+
+	Variant &operator[](const int idx);
+
+	const Variant &operator[](const int idx) const;
+
+	void append(const Variant &v);
+
+	void clear();
+
+	int count(const Variant &v);
+
+	bool empty() const;
+
+	void erase(const Variant &v);
+
+	Variant front() const;
+
+	Variant back() const;
+
+	int find(const Variant &what, const int from = 0) const;
+
+	int find_last(const Variant &what) const;
+
+	bool has(const Variant &what) const;
+
+	uint32_t hash() const;
+
+	void insert(const int pos, const Variant &value);
+
+	void invert();
+
+	bool is_shared() const;
+
+	Variant pop_back();
+
+	Variant pop_front();
+
+	void push_back(const Variant &v);
+
+	void push_front(const Variant &v);
+
+	void remove(const int idx);
+
+	int size() const;
+
+	void resize(const int size);
+
+	int rfind(const Variant &what, const int from = -1) const;
+
+	void sort();
+
+	void sort_custom(Object *obj, const String &func);
+
+	int bsearch(const Variant &value, const bool before = true);
+
+	int bsearch_custom(const Variant &value, const Object *obj,
+			const String &func, const bool before = true);
+
+	Array duplicate(const bool deep = false) const;
+
+	Variant max() const;
+
+	Variant min() const;
+
+	void shuffle();
+
+	~Array();
+};
+
+} // namespace godot
+
+#endif // ARRAY_H

include/core/Basis.hpp

@@ -0,0 +1,458 @@
+/*************************************************************************/
+/*  Basis.hpp                                                            */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                      https://godotengine.org                          */
+/*************************************************************************/
+/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur.                 */
+/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md).   */
+/*                                                                       */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the       */
+/* "Software"), to deal in the Software without restriction, including   */
+/* without limitation the rights to use, copy, modify, merge, publish,   */
+/* distribute, sublicense, and/or sell copies of the Software, and to    */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions:                                             */
+/*                                                                       */
+/* The above copyright notice and this permission notice shall be        */
+/* included in all copies or substantial portions of the Software.       */
+/*                                                                       */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
+/*************************************************************************/
+
+#ifndef BASIS_H
+#define BASIS_H
+
+#include <gdnative/basis.h>
+
+#include "Defs.hpp"
+
+#include "Vector3.hpp"
+
+namespace godot {
+
+class Quat;
+
+class Basis {
+private:
+	static const Basis IDENTITY;
+	static const Basis FLIP_X;
+	static const Basis FLIP_Y;
+	static const Basis FLIP_Z;
+
+	// This helper template is for mimicking the behavior difference between the engine
+	// and script interfaces that logically script sees matrices as column major, while
+	// the engine stores them in row major to efficiently take advantage of SIMD
+	// instructions in case of matrix-vector multiplications.
+	// With this helper template native scripts see the data as if it was column major
+	// without actually transposing the basis matrix at the script-engine boundary.
+	template <int column>
+	class ColumnVector3 {
+	private:
+		template <int column1, int component>
+		class ColumnVectorComponent {
+		private:
+			Vector3 elements[3];
+
+		protected:
+			inline ColumnVectorComponent<column1, component> &operator=(const ColumnVectorComponent<column1, component> &p_value) {
+				return *this = real_t(p_value);
+			}
+
+			inline ColumnVectorComponent(const ColumnVectorComponent<column1, component> &p_value) {
+				*this = real_t(p_value);
+			}
+
+			inline ColumnVectorComponent<column1, component> &operator=(const real_t &p_value) {
+				elements[component][column1] = p_value;
+				return *this;
+			}
+
+			inline operator real_t() const {
+				return elements[component][column1];
+			}
+		};
+
+	public:
+		enum Axis {
+			AXIS_X,
+			AXIS_Y,
+			AXIS_Z,
+		};
+
+		union {
+			ColumnVectorComponent<column, 0> x;
+			ColumnVectorComponent<column, 1> y;
+			ColumnVectorComponent<column, 2> z;
+
+			Vector3 elements[3]; // Not for direct access, use [] operator instead
+		};
+
+		inline ColumnVector3<column> &operator=(const ColumnVector3<column> &p_value) {
+			return *this = Vector3(p_value);
+		}
+
+		inline ColumnVector3(const ColumnVector3<column> &p_value) {
+			*this = Vector3(p_value);
+		}
+
+		inline ColumnVector3<column> &operator=(const Vector3 &p_value) {
+			elements[0][column] = p_value.x;
+			elements[1][column] = p_value.y;
+			elements[2][column] = p_value.z;
+			return *this;
+		}
+
+		inline operator Vector3() const {
+			return Vector3(elements[0][column], elements[1][column], elements[2][column]);
+		}
+
+		// Unfortunately, we also need to replicate the other interfaces of Vector3 in
+		// order for being able to directly operate on these "meta-Vector3" objects without
+		// an explicit cast or an intermediate assignment to a real Vector3 object.
+
+		inline const real_t &operator[](int p_axis) const {
+			return elements[p_axis][column];
+		}
+
+		inline real_t &operator[](int p_axis) {
+			return elements[p_axis][column];
+		}
+
+		inline ColumnVector3<column> &operator+=(const Vector3 &p_v) {
+			return *this = *this + p_v;
+		}
+
+		inline Vector3 operator+(const Vector3 &p_v) const {
+			return Vector3(*this) + p_v;
+		}
+
+		inline ColumnVector3<column> &operator-=(const Vector3 &p_v) {
+			return *this = *this - p_v;
+		}
+
+		inline Vector3 operator-(const Vector3 &p_v) const {
+			return Vector3(*this) - p_v;
+		}
+
+		inline ColumnVector3<column> &operator*=(const Vector3 &p_v) {
+			return *this = *this * p_v;
+		}
+
+		inline Vector3 operator*(const Vector3 &p_v) const {
+			return Vector3(*this) * p_v;
+		}
+
+		inline ColumnVector3<column> &operator/=(const Vector3 &p_v) {
+			return *this = *this / p_v;
+		}
+
+		inline Vector3 operator/(const Vector3 &p_v) const {
+			return Vector3(*this) / p_v;
+		}
+
+		inline ColumnVector3<column> &operator*=(real_t p_scalar) {
+			return *this = *this * p_scalar;
+		}
+
+		inline Vector3 operator*(real_t p_scalar) const {
+			return Vector3(*this) * p_scalar;
+		}
+
+		inline ColumnVector3<column> &operator/=(real_t p_scalar) {
+			return *this = *this / p_scalar;
+		}
+
+		inline Vector3 operator/(real_t p_scalar) const {
+			return Vector3(*this) / p_scalar;
+		}
+
+		inline Vector3 operator-() const {
+			return -Vector3(*this);
+		}
+
+		inline bool operator==(const Vector3 &p_v) const {
+			return Vector3(*this) == p_v;
+		}
+
+		inline bool operator!=(const Vector3 &p_v) const {
+			return Vector3(*this) != p_v;
+		}
+
+		inline bool operator<(const Vector3 &p_v) const {
+			return Vector3(*this) < p_v;
+		}
+
+		inline bool operator<=(const Vector3 &p_v) const {
+			return Vector3(*this) <= p_v;
+		}
+
+		inline Vector3 abs() const {
+			return Vector3(*this).abs();
+		}
+
+		inline Vector3 ceil() const {
+			return Vector3(*this).ceil();
+		}
+
+		inline Vector3 cross(const Vector3 &b) const {
+			return Vector3(*this).cross(b);
+		}
+
+		inline Vector3 linear_interpolate(const Vector3 &p_b, real_t p_t) const {
+			return Vector3(*this).linear_interpolate(p_b, p_t);
+		}
+
+		inline Vector3 cubic_interpolate(const Vector3 &b, const Vector3 &pre_a, const Vector3 &post_b, const real_t t) const {
+			return Vector3(*this).cubic_interpolate(b, pre_a, post_b, t);
+		}
+
+		inline Vector3 bounce(const Vector3 &p_normal) const {
+			return Vector3(*this).bounce(p_normal);
+		}
+
+		inline real_t length() const {
+			return Vector3(*this).length();
+		}
+
+		inline real_t length_squared() const {
+			return Vector3(*this).length_squared();
+		}
+
+		inline real_t distance_squared_to(const Vector3 &b) const {
+			return Vector3(*this).distance_squared_to(b);
+		}
+
+		inline real_t distance_to(const Vector3 &b) const {
+			return Vector3(*this).distance_to(b);
+		}
+
+		inline real_t dot(const Vector3 &b) const {
+			return Vector3(*this).dot(b);
+		}
+
+		inline real_t angle_to(const Vector3 &b) const {
+			return Vector3(*this).angle_to(b);
+		}
+
+		inline Vector3 floor() const {
+			return Vector3(*this).floor();
+		}
+
+		inline Vector3 inverse() const {
+			return Vector3(*this).inverse();
+		}
+
+		inline bool is_normalized() const {
+			return Vector3(*this).is_normalized();
+		}
+
+		inline Basis outer(const Vector3 &b) const {
+			return Vector3(*this).outer(b);
+		}
+
+		inline int max_axis() const {
+			return Vector3(*this).max_axis();
+		}
+
+		inline int min_axis() const {
+			return Vector3(*this).min_axis();
+		}
+
+		inline void normalize() {
+			Vector3 v = *this;
+			v.normalize();
+			*this = v;
+		}
+
+		inline Vector3 normalized() const {
+			return Vector3(*this).normalized();
+		}
+
+		inline Vector3 reflect(const Vector3 &by) const {
+			return Vector3(*this).reflect(by);
+		}
+
+		inline Vector3 rotated(const Vector3 &axis, const real_t phi) const {
+			return Vector3(*this).rotated(axis, phi);
+		}
+
+		inline void rotate(const Vector3 &p_axis, real_t p_phi) {
+			Vector3 v = *this;
+			v.rotate(p_axis, p_phi);
+			*this = v;
+		}
+
+		inline Vector3 slide(const Vector3 &by) const {
+			return Vector3(*this).slide(by);
+		}
+
+		inline void snap(real_t p_val) {
+			Vector3 v = *this;
+			v.snap(p_val);
+			*this = v;
+		}
+
+		inline Vector3 snapped(const float by) {
+			return Vector3(*this).snapped(by);
+		}
+
+		inline operator String() const {
+			return String(Vector3(*this));
+		}
+	};
+
+public:
+	union {
+		ColumnVector3<0> x;
+		ColumnVector3<1> y;
+		ColumnVector3<2> z;
+
+		Vector3 elements[3]; // Not for direct access, use [] operator instead
+	};
+
+	inline Basis(const Basis &p_basis) {
+		elements[0] = p_basis.elements[0];
+		elements[1] = p_basis.elements[1];
+		elements[2] = p_basis.elements[2];
+	}
+
+	inline Basis &operator=(const Basis &p_basis) {
+		elements[0] = p_basis.elements[0];
+		elements[1] = p_basis.elements[1];
+		elements[2] = p_basis.elements[2];
+		return *this;
+	}
+
+	Basis(const Quat &p_quat); // euler
+	Basis(const Vector3 &p_euler); // euler
+	Basis(const Vector3 &p_axis, real_t p_phi);
+
+	Basis(const Vector3 &row0, const Vector3 &row1, const Vector3 &row2);
+
+	Basis(real_t xx, real_t xy, real_t xz, real_t yx, real_t yy, real_t yz, real_t zx, real_t zy, real_t zz);
+
+	Basis();
+
+	const Vector3 operator[](int axis) const {
+		return get_axis(axis);
+	}
+
+	ColumnVector3<0> &operator[](int axis) {
+		// We need to do a little pointer magic to get this to work, because the
+		// ColumnVector3 template takes the axis as a template parameter.
+		// Don't touch this unless you're sure what you're doing!
+		return (reinterpret_cast<Basis *>(reinterpret_cast<real_t *>(this) + axis))->x;
+	}
+
+	void invert();
+
+	bool isequal_approx(const Basis &a, const Basis &b) const;
+
+	bool is_orthogonal() const;
+
+	bool is_rotation() const;
+
+	void transpose();
+
+	Basis inverse() const;
+
+	Basis transposed() const;
+
+	real_t determinant() const;
+
+	Vector3 get_axis(int p_axis) const;
+
+	void set_axis(int p_axis, const Vector3 &p_value);
+
+	void rotate(const Vector3 &p_axis, real_t p_phi);
+
+	Basis rotated(const Vector3 &p_axis, real_t p_phi) const;
+
+	void scale(const Vector3 &p_scale);
+
+	Basis scaled(const Vector3 &p_scale) const;
+
+	Vector3 get_scale() const;
+
+	Basis slerp(Basis b, float t) const;
+
+	Vector3 get_euler_xyz() const;
+	void set_euler_xyz(const Vector3 &p_euler);
+	Vector3 get_euler_yxz() const;
+	void set_euler_yxz(const Vector3 &p_euler);
+
+	inline Vector3 get_euler() const { return get_euler_yxz(); }
+	inline void set_euler(const Vector3 &p_euler) { set_euler_yxz(p_euler); }
+
+	// transposed dot products
+	real_t tdotx(const Vector3 &v) const;
+	real_t tdoty(const Vector3 &v) const;
+	real_t tdotz(const Vector3 &v) const;
+
+	bool operator==(const Basis &p_matrix) const;
+
+	bool operator!=(const Basis &p_matrix) const;
+
+	Vector3 xform(const Vector3 &p_vector) const;
+
+	Vector3 xform_inv(const Vector3 &p_vector) const;
+	void operator*=(const Basis &p_matrix);
+
+	Basis operator*(const Basis &p_matrix) const;
+
+	void operator+=(const Basis &p_matrix);
+
+	Basis operator+(const Basis &p_matrix) const;
+
+	void operator-=(const Basis &p_matrix);
+
+	Basis operator-(const Basis &p_matrix) const;
+
+	void operator*=(real_t p_val);
+
+	Basis operator*(real_t p_val) const;
+
+	int get_orthogonal_index() const; // down below
+
+	void set_orthogonal_index(int p_index); // down below
+
+	operator String() const;
+
+	void get_axis_and_angle(Vector3 &r_axis, real_t &r_angle) const;
+
+	/* create / set */
+
+	void set(real_t xx, real_t xy, real_t xz, real_t yx, real_t yy, real_t yz, real_t zx, real_t zy, real_t zz);
+
+	Vector3 get_column(int i) const;
+
+	Vector3 get_row(int i) const;
+	Vector3 get_main_diagonal() const;
+
+	void set_row(int i, const Vector3 &p_row);
+
+	Basis transpose_xform(const Basis &m) const;
+
+	void orthonormalize();
+
+	Basis orthonormalized() const;
+
+	bool is_symmetric() const;
+
+	Basis diagonalize();
+
+	operator Quat() const;
+};
+
+} // namespace godot
+
+#endif // BASIS_H

include/core/CameraMatrix.hpp

@@ -0,0 +1,124 @@
+/*************************************************************************/
+/*  CameraMatrix.hpp                                                     */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                      https://godotengine.org                          */
+/*************************************************************************/
+/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur.                 */
+/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md).   */
+/*                                                                       */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the       */
+/* "Software"), to deal in the Software without restriction, including   */
+/* without limitation the rights to use, copy, modify, merge, publish,   */
+/* distribute, sublicense, and/or sell copies of the Software, and to    */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions:                                             */
+/*                                                                       */
+/* The above copyright notice and this permission notice shall be        */
+/* included in all copies or substantial portions of the Software.       */
+/*                                                                       */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
+/*************************************************************************/
+
+#ifndef CAMERA_MATRIX_H
+#define CAMERA_MATRIX_H
+
+#include "Defs.hpp"
+#include "Math.hpp"
+#include "Plane.hpp"
+#include "Rect2.hpp"
+#include "Transform.hpp"
+
+#include <vector>
+
+namespace {
+using namespace godot;
+} // namespace
+
+struct CameraMatrix {
+	enum Planes {
+		PLANE_NEAR,
+		PLANE_FAR,
+		PLANE_LEFT,
+		PLANE_TOP,
+		PLANE_RIGHT,
+		PLANE_BOTTOM
+	};
+
+	real_t matrix[4][4];
+
+	void set_identity();
+	void set_zero();
+	void set_light_bias();
+	void set_light_atlas_rect(const Rect2 &p_rect);
+	void set_perspective(real_t p_fovy_degrees, real_t p_aspect, real_t p_z_near, real_t p_z_far, bool p_flip_fov = false);
+	void set_perspective(real_t p_fovy_degrees, real_t p_aspect, real_t p_z_near, real_t p_z_far, bool p_flip_fov, int p_eye, real_t p_intraocular_dist, real_t p_convergence_dist);
+	void set_for_hmd(int p_eye, real_t p_aspect, real_t p_intraocular_dist, real_t p_display_width, real_t p_display_to_lens, real_t p_oversample, real_t p_z_near, real_t p_z_far);
+	void set_orthogonal(real_t p_left, real_t p_right, real_t p_bottom, real_t p_top, real_t p_znear, real_t p_zfar);
+	void set_orthogonal(real_t p_size, real_t p_aspect, real_t p_znear, real_t p_zfar, bool p_flip_fov = false);
+	void set_frustum(real_t p_left, real_t p_right, real_t p_bottom, real_t p_top, real_t p_near, real_t p_far);
+	void set_frustum(real_t p_size, real_t p_aspect, Vector2 p_offset, real_t p_near, real_t p_far, bool p_flip_fov = false);
+
+	static real_t get_fovy(real_t p_fovx, real_t p_aspect) {
+		return Math::rad2deg(atan(p_aspect * tan(Math::deg2rad(p_fovx) * 0.5)) * 2.0);
+	}
+
+	static inline double absd(double g) {
+		union {
+			double d;
+			uint64_t i;
+		} u;
+		u.d = g;
+		u.i &= (uint64_t)9223372036854775807ll;
+		return u.d;
+	}
+
+	real_t get_z_far() const;
+	real_t get_z_near() const;
+	real_t get_aspect() const;
+	real_t get_fov() const;
+	bool is_orthogonal() const;
+
+	std::vector<Plane> get_projection_planes(const Transform &p_transform) const;
+
+	bool get_endpoints(const Transform &p_transform, Vector3 *p_8points) const;
+	Vector2 get_viewport_half_extents() const;
+
+	void invert();
+	CameraMatrix inverse() const;
+
+	CameraMatrix operator*(const CameraMatrix &p_matrix) const;
+
+	Plane xform4(const Plane &p_vec4) const;
+	inline Vector3 xform(const Vector3 &p_vec3) const;
+
+	operator String() const;
+
+	void scale_translate_to_fit(const AABB &p_aabb);
+	void make_scale(const Vector3 &p_scale);
+	int get_pixels_per_meter(int p_for_pixel_width) const;
+	operator Transform() const;
+
+	CameraMatrix();
+	CameraMatrix(const Transform &p_transform);
+	~CameraMatrix();
+};
+
+Vector3 CameraMatrix::xform(const Vector3 &p_vec3) const {
+	Vector3 ret;
+	ret.x = matrix[0][0] * p_vec3.x + matrix[1][0] * p_vec3.y + matrix[2][0] * p_vec3.z + matrix[3][0];
+	ret.y = matrix[0][1] * p_vec3.x + matrix[1][1] * p_vec3.y + matrix[2][1] * p_vec3.z + matrix[3][1];
+	ret.z = matrix[0][2] * p_vec3.x + matrix[1][2] * p_vec3.y + matrix[2][2] * p_vec3.z + matrix[3][2];
+	real_t w = matrix[0][3] * p_vec3.x + matrix[1][3] * p_vec3.y + matrix[2][3] * p_vec3.z + matrix[3][3];
+	return ret / w;
+}
+
+#endif

include/core/Color.hpp

@@ -0,0 +1,171 @@
+/*************************************************************************/
+/*  Color.hpp                                                            */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                      https://godotengine.org                          */
+/*************************************************************************/
+/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur.                 */
+/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md).   */
+/*                                                                       */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the       */
+/* "Software"), to deal in the Software without restriction, including   */
+/* without limitation the rights to use, copy, modify, merge, publish,   */
+/* distribute, sublicense, and/or sell copies of the Software, and to    */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions:                                             */
+/*                                                                       */
+/* The above copyright notice and this permission notice shall be        */
+/* included in all copies or substantial portions of the Software.       */
+/*                                                                       */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
+/*************************************************************************/
+
+#ifndef COLOR_H
+#define COLOR_H
+
+#include <gdnative/color.h>
+
+#include <cmath>
+
+#include "Defs.hpp"
+#include "String.hpp"
+
+namespace godot {
+
+struct Color {
+private:
+	// static float _parse_col(const String& p_str, int p_ofs);
+public:
+	union {
+		struct {
+			float r;
+			float g;
+			float b;
+			float a;
+		};
+		float components[4];
+	};
+
+	inline bool operator==(const Color &p_color) const { return (r == p_color.r && g == p_color.g && b == p_color.b && a == p_color.a); }
+	inline bool operator!=(const Color &p_color) const { return (r != p_color.r || g != p_color.g || b != p_color.b || a != p_color.a); }
+
+	uint32_t to_32() const;
+
+	uint32_t to_ARGB32() const;
+
+	uint32_t to_ABGR32() const;
+
+	uint64_t to_ABGR64() const;
+
+	uint64_t to_ARGB64() const;
+
+	uint32_t to_RGBA32() const;
+
+	uint64_t to_RGBA64() const;
+
+	float gray() const;
+
+	uint8_t get_r8() const;
+
+	uint8_t get_g8() const;
+
+	uint8_t get_b8() const;
+
+	uint8_t get_a8() const;
+
+	float get_h() const;
+
+	float get_s() const;
+
+	float get_v() const;
+
+	void set_hsv(float p_h, float p_s, float p_v, float p_alpha = 1.0);
+
+	Color darkened(const float amount) const;
+
+	Color lightened(const float amount) const;
+
+	Color from_hsv(float p_h, float p_s, float p_v, float p_a = 1.0) const;
+
+	inline float &operator[](int idx) {
+		return components[idx];
+	}
+	inline const float &operator[](int idx) const {
+		return components[idx];
+	}
+
+	Color operator+(const Color &p_color) const;
+	void operator+=(const Color &p_color);
+
+	Color operator-() const;
+	Color operator-(const Color &p_color) const;
+	void operator-=(const Color &p_color);
+
+	Color operator*(const Color &p_color) const;
+	Color operator*(const real_t &rvalue) const;
+	void operator*=(const Color &p_color);
+	void operator*=(const real_t &rvalue);
+
+	Color operator/(const Color &p_color) const;
+	Color operator/(const real_t &rvalue) const;
+	void operator/=(const Color &p_color);
+	void operator/=(const real_t &rvalue);
+
+	void invert();
+
+	void contrast();
+
+	Color inverted() const;
+
+	Color contrasted() const;
+
+	Color linear_interpolate(const Color &p_b, float p_t) const;
+
+	Color blend(const Color &p_over) const;
+
+	Color to_linear() const;
+
+	static Color hex(uint32_t p_hex);
+
+	static Color html(const String &p_color);
+
+	static bool html_is_valid(const String &p_color);
+
+	String to_html(bool p_alpha = true) const;
+
+	bool operator<(const Color &p_color) const; //used in set keys
+
+	operator String() const;
+
+	/**
+	 * No construct parameters, r=0, g=0, b=0. a=255
+	 */
+	inline Color() {
+		r = 0;
+		g = 0;
+		b = 0;
+		a = 1.0;
+	}
+
+	/**
+	 * RGB / RGBA construct parameters. Alpha is optional, but defaults to 1.0
+	 */
+	inline Color(float p_r, float p_g, float p_b, float p_a = 1.0) {
+		r = p_r;
+		g = p_g;
+		b = p_b;
+		a = p_a;
+	}
+};
+
+} // namespace godot
+
+#endif // COLOR_H

include/core/CoreTypes.hpp

@@ -0,0 +1,56 @@
+/*************************************************************************/
+/*  CoreTypes.hpp                                                        */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                      https://godotengine.org                          */
+/*************************************************************************/
+/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur.                 */
+/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md).   */
+/*                                                                       */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the       */
+/* "Software"), to deal in the Software without restriction, including   */
+/* without limitation the rights to use, copy, modify, merge, publish,   */
+/* distribute, sublicense, and/or sell copies of the Software, and to    */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions:                                             */
+/*                                                                       */
+/* The above copyright notice and this permission notice shall be        */
+/* included in all copies or substantial portions of the Software.       */
+/*                                                                       */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
+/*************************************************************************/
+
+#ifndef CORETYPES_H
+#define CORETYPES_H
+
+#include "Defs.hpp"
+
+#include "AABB.hpp"
+#include "Array.hpp"
+#include "Basis.hpp"
+#include "Color.hpp"
+#include "Dictionary.hpp"
+#include "NodePath.hpp"
+#include "Plane.hpp"
+#include "PoolArrays.hpp"
+#include "Quat.hpp"
+#include "RID.hpp"
+#include "Rect2.hpp"
+#include "String.hpp"
+#include "Transform.hpp"
+#include "Transform2D.hpp"
+#include "Variant.hpp"
+#include "Vector2.hpp"
+#include "Vector3.hpp"
+
+#include "Wrapped.hpp"
+
+#endif // CORETYPES_H

include/core/Defs.hpp

@@ -0,0 +1,298 @@
+/*************************************************************************/
+/*  Defs.hpp                                                             */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                      https://godotengine.org                          */
+/*************************************************************************/
+/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur.                 */
+/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md).   */
+/*                                                                       */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the       */
+/* "Software"), to deal in the Software without restriction, including   */
+/* without limitation the rights to use, copy, modify, merge, publish,   */
+/* distribute, sublicense, and/or sell copies of the Software, and to    */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions:                                             */
+/*                                                                       */
+/* The above copyright notice and this permission notice shall be        */
+/* included in all copies or substantial portions of the Software.       */
+/*                                                                       */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
+/*************************************************************************/
+
+#ifndef DEFS_H
+#define DEFS_H
+
+namespace godot {
+
+enum class Error {
+	OK,
+	FAILED, ///< Generic fail error
+	ERR_UNAVAILABLE, ///< What is requested is unsupported/unavailable
+	ERR_UNCONFIGURED, ///< The object being used hasnt been properly set up yet
+	ERR_UNAUTHORIZED, ///< Missing credentials for requested resource
+	ERR_PARAMETER_RANGE_ERROR, ///< Parameter given out of range (5)
+	ERR_OUT_OF_MEMORY, ///< Out of memory
+	ERR_FILE_NOT_FOUND,
+	ERR_FILE_BAD_DRIVE,
+	ERR_FILE_BAD_PATH,
+	ERR_FILE_NO_PERMISSION, // (10)
+	ERR_FILE_ALREADY_IN_USE,
+	ERR_FILE_CANT_OPEN,
+	ERR_FILE_CANT_WRITE,
+	ERR_FILE_CANT_READ,
+	ERR_FILE_UNRECOGNIZED, // (15)
+	ERR_FILE_CORRUPT,
+	ERR_FILE_MISSING_DEPENDENCIES,
+	ERR_FILE_EOF,
+	ERR_CANT_OPEN, ///< Can't open a resource/socket/file
+	ERR_CANT_CREATE, // (20)
+	ERR_QUERY_FAILED,
+	ERR_ALREADY_IN_USE,
+	ERR_LOCKED, ///< resource is locked
+	ERR_TIMEOUT,
+	ERR_CANT_CONNECT, // (25)
+	ERR_CANT_RESOLVE,
+	ERR_CONNECTION_ERROR,
+	ERR_CANT_AQUIRE_RESOURCE,
+	ERR_CANT_FORK,
+	ERR_INVALID_DATA, ///< Data passed is invalid	(30)
+	ERR_INVALID_PARAMETER, ///< Parameter passed is invalid
+	ERR_ALREADY_EXISTS, ///< When adding, item already exists
+	ERR_DOES_NOT_EXIST, ///< When retrieving/erasing, it item does not exist
+	ERR_DATABASE_CANT_READ, ///< database is full
+	ERR_DATABASE_CANT_WRITE, ///< database is full	(35)
+	ERR_COMPILATION_FAILED,
+	ERR_METHOD_NOT_FOUND,
+	ERR_LINK_FAILED,
+	ERR_SCRIPT_FAILED,
+	ERR_CYCLIC_LINK, // (40)
+	ERR_INVALID_DECLARATION,
+	ERR_DUPLICATE_SYMBOL,
+	ERR_PARSE_ERROR,
+	ERR_BUSY,
+	ERR_SKIP, // (45)
+	ERR_HELP, ///< user requested help!!
+	ERR_BUG, ///< a bug in the software certainly happened, due to a double check failing or unexpected behavior.
+	ERR_PRINTER_ON_FIRE, /// the parallel port printer is engulfed in flames
+};
+
+} // namespace godot
+
+#include <GodotGlobal.hpp>
+
+// alloca() is non-standard. When using MSVC, it's in malloc.h.
+#if defined(__linux__) || defined(__APPLE__)
+#include <alloca.h>
+#else
+#include <malloc.h>
+#endif
+
+typedef float real_t;
+
+// This epsilon should match the one used by Godot for consistency.
+// Using `f` when `real_t` is float.
+#define CMP_EPSILON 0.00001f
+#define CMP_EPSILON2 (CMP_EPSILON * CMP_EPSILON)
+
+#define Math_PI 3.1415926535897932384626433833
+#define Math_TAU 6.2831853071795864769252867666
+
+#define _PLANE_EQ_DOT_EPSILON 0.999
+#define _PLANE_EQ_D_EPSILON 0.0001
+
+#ifdef __GNUC__
+#define likely(x) __builtin_expect(!!(x), 1)
+#define unlikely(x) __builtin_expect(!!(x), 0)
+#else
+#define likely(x) x
+#define unlikely(x) x
+#endif
+
+// Don't use this directly; instead, use any of the CRASH_* macros
+#ifdef _MSC_VER
+#define GENERATE_TRAP                       \
+	__debugbreak();                         \
+	/* Avoid warning about control paths */ \
+	for (;;) {                              \
+	}
+#else
+#define GENERATE_TRAP __builtin_trap();
+#endif
+
+// ERR/WARN macros
+#ifndef WARN_PRINT
+#define WARN_PRINT(msg) godot::Godot::print_warning(msg, __func__, __FILE__, __LINE__)
+#endif
+
+#ifndef WARN_PRINTS
+#define WARN_PRINTS(msg) WARN_PRINT((msg).utf8().get_data())
+#endif
+
+#ifndef ERR_PRINT
+#define ERR_PRINT(msg) godot::Godot::print_error(msg, __func__, __FILE__, __LINE__)
+#endif
+
+#ifndef ERR_PRINTS
+#define ERR_PRINTS(msg) ERR_PRINT((msg).utf8().get_data())
+#endif
+
+#ifndef FATAL_PRINT
+#define FATAL_PRINT(msg) ERR_PRINT(godot::String("FATAL: ") + (msg))
+#endif
+
+#ifndef ERR_MSG_INDEX
+#define ERR_MSG_INDEX(index, size) (godot::String("Index ") + #index + "=" + godot::String::num_int64(index) + " out of size (" + #size + "=" + godot::String::num_int64(size) + ")")
+#endif
+
+#ifndef ERR_MSG_NULL
+#define ERR_MSG_NULL(param) (godot::String("Parameter '") + #param + "' is null.")
+#endif
+
+#ifndef ERR_MSG_COND
+#define ERR_MSG_COND(cond) (godot::String("Condition '") + #cond + "' is true.")
+#endif
+
+#ifndef ERR_FAIL_INDEX
+#define ERR_FAIL_INDEX(index, size)                       \
+	do {                                                  \
+		if (unlikely((index) < 0 || (index) >= (size))) { \
+			ERR_PRINT(ERR_MSG_INDEX(index, size));        \
+			return;                                       \
+		}                                                 \
+	} while (0)
+#endif
+
+#ifndef ERR_FAIL_INDEX_V
+#define ERR_FAIL_INDEX_V(index, size, ret)                \
+	do {                                                  \
+		if (unlikely((index) < 0 || (index) >= (size))) { \
+			ERR_PRINT(ERR_MSG_INDEX(index, size));        \
+			return ret;                                   \
+		}                                                 \
+	} while (0)
+#endif
+
+#ifndef ERR_FAIL_UNSIGNED_INDEX_V
+#define ERR_FAIL_UNSIGNED_INDEX_V(index, size, ret) \
+	do {                                            \
+		if (unlikely((index) >= (size))) {          \
+			ERR_PRINT(ERR_MSG_INDEX(index, size));  \
+			return ret;                             \
+		}                                           \
+	} while (0)
+#endif
+
+#ifndef CRASH_BAD_INDEX
+#define CRASH_BAD_INDEX(index, size)                      \
+	do {                                                  \
+		if (unlikely((index) < 0 || (index) >= (size))) { \
+			FATAL_PRINT(ERR_MSG_INDEX(index, size));      \
+			GENERATE_TRAP;                                \
+		}                                                 \
+	} while (0)
+#endif
+
+#ifndef ERR_FAIL_NULL
+#define ERR_FAIL_NULL(param)                \
+	do {                                    \
+		if (unlikely(!param)) {             \
+			ERR_PRINT(ERR_MSG_NULL(param)); \
+			return;                         \
+		}                                   \
+	} while (0)
+#endif
+
+#ifndef ERR_FAIL_NULL_V
+#define ERR_FAIL_NULL_V(param, ret)         \
+	do {                                    \
+		if (unlikely(!param)) {             \
+			ERR_PRINT(ERR_MSG_NULL(param)); \
+			return ret;                     \
+		}                                   \
+	} while (0)
+#endif
+
+#ifndef ERR_FAIL_COND
+#define ERR_FAIL_COND(cond)                \
+	do {                                   \
+		if (unlikely(cond)) {              \
+			ERR_PRINT(ERR_MSG_COND(cond)); \
+			return;                        \
+		}                                  \
+	} while (0)
+#endif
+
+#ifndef CRASH_COND
+#define CRASH_COND(cond)                     \
+	do {                                     \
+		if (unlikely(cond)) {                \
+			FATAL_PRINT(ERR_MSG_COND(cond)); \
+			GENERATE_TRAP;                   \
+		}                                    \
+	} while (0)
+#endif
+
+#ifndef ERR_FAIL_COND_V
+#define ERR_FAIL_COND_V(cond, ret)         \
+	do {                                   \
+		if (unlikely(cond)) {              \
+			ERR_PRINT(ERR_MSG_COND(cond)); \
+			return ret;                    \
+		}                                  \
+	} while (0)
+#endif
+
+#ifndef ERR_CONTINUE
+#define ERR_CONTINUE(cond)                 \
+	{                                      \
+		if (unlikely(cond)) {              \
+			ERR_PRINT(ERR_MSG_COND(cond)); \
+			continue;                      \
+		}                                  \
+	}
+#endif
+
+#ifndef ERR_BREAK
+#define ERR_BREAK(cond)                    \
+	{                                      \
+		if (unlikely(cond)) {              \
+			ERR_PRINT(ERR_MSG_COND(cond)); \
+			break;                         \
+		}                                  \
+	}
+#endif
+
+#ifndef ERR_FAIL
+#define ERR_FAIL()                            \
+	do {                                      \
+		ERR_PRINT("Method/Function Failed."); \
+		return;                               \
+	} while (0)
+#endif
+
+#ifndef ERR_FAIL_V
+#define ERR_FAIL_V(ret)                       \
+	do {                                      \
+		ERR_PRINT("Method/Function Failed."); \
+		return ret;                           \
+	} while (0)
+#endif
+
+#ifndef CRASH_NOW
+#define CRASH_NOW()                             \
+	do {                                        \
+		FATAL_PRINT("Method/Function Failed."); \
+		GENERATE_TRAP;                          \
+	} while (0)
+#endif
+
+#endif // DEFS_H

include/core/Dictionary.hpp

@@ -0,0 +1,89 @@
+/*************************************************************************/
+/*  Dictionary.hpp                                                       */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                      https://godotengine.org                          */
+/*************************************************************************/
+/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur.                 */
+/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md).   */
+/*                                                                       */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the       */
+/* "Software"), to deal in the Software without restriction, including   */
+/* without limitation the rights to use, copy, modify, merge, publish,   */
+/* distribute, sublicense, and/or sell copies of the Software, and to    */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions:                                             */
+/*                                                                       */
+/* The above copyright notice and this permission notice shall be        */
+/* included in all copies or substantial portions of the Software.       */
+/*                                                                       */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
+/*************************************************************************/
+
+#ifndef DICTIONARY_H
+#define DICTIONARY_H
+
+#include "Variant.hpp"
+
+#include "Array.hpp"
+
+#include <gdnative/dictionary.h>
+
+namespace godot {
+
+class Dictionary {
+	godot_dictionary _godot_dictionary;
+
+	friend Variant::operator Dictionary() const;
+	inline explicit Dictionary(const godot_dictionary &other) {
+		_godot_dictionary = other;
+	}
+
+public:
+	Dictionary();
+	Dictionary(const Dictionary &other);
+	Dictionary &operator=(const Dictionary &other);
+
+	template <class... Args>
+	static Dictionary make(Args... args) {
+		return helpers::add_all(Dictionary(), args...);
+	}
+
+	void clear();
+
+	bool empty() const;
+
+	void erase(const Variant &key);
+
+	bool has(const Variant &key) const;
+
+	bool has_all(const Array &keys) const;
+
+	uint32_t hash() const;
+
+	Array keys() const;
+
+	Variant &operator[](const Variant &key);
+
+	const Variant &operator[](const Variant &key) const;
+
+	int size() const;
+
+	String to_json() const;
+
+	Array values() const;
+
+	~Dictionary();
+};
+
+} // namespace godot
+
+#endif // DICTIONARY_H

include/core/Godot.hpp

@@ -0,0 +1,619 @@
+/*************************************************************************/
+/*  Godot.hpp                                                             */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                      https://godotengine.org                          */
+/*************************************************************************/
+/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur.                 */
+/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md).   */
+/*                                                                       */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the       */
+/* "Software"), to deal in the Software without restriction, including   */
+/* without limitation the rights to use, copy, modify, merge, publish,   */
+/* distribute, sublicense, and/or sell copies of the Software, and to    */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions:                                             */
+/*                                                                       */
+/* The above copyright notice and this permission notice shall be        */
+/* included in all copies or substantial portions of the Software.       */
+/*                                                                       */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
+/*************************************************************************/
+
+#ifndef GODOT_HPP
+#define GODOT_HPP
+
+#include <cstdlib>
+#include <cstring>
+
+#include <gdnative_api_struct.gen.h>
+#include <nativescript/godot_nativescript.h>
+#include <typeinfo>
+
+#include "CoreTypes.hpp"
+#include "Ref.hpp"
+#include "TagDB.hpp"
+#include "Variant.hpp"
+
+#include "Object.hpp"
+
+#include "GodotGlobal.hpp"
+
+#include <type_traits>
+
+namespace godot {
+namespace detail {
+
+// Godot classes are wrapped by heap-allocated instances mimicking them through the C API.
+// They all inherit `_Wrapped`.
+template <class T>
+T *get_wrapper(godot_object *obj) {
+	return (T *)godot::nativescript_1_1_api->godot_nativescript_get_instance_binding_data(godot::_RegisterState::language_index, obj);
+}
+
+// Custom class instances are not obtainable by just casting the pointer to the base class they inherit,
+// partly because in Godot, scripts are not instances of the classes themselves, they are only attached to them.
+// Yet we want to "fake" it as if they were the same entity.
+template <class T>
+T *get_custom_class_instance(const Object *obj) {
+	return (obj) ? (T *)godot::nativescript_api->godot_nativescript_get_userdata(obj->_owner) : nullptr;
+}
+
+template <class T>
+inline T *create_custom_class_instance() {
+	// Usually, script instances hold a reference to their NativeScript resource.
+	// that resource is obtained from a `.gdns` file, which in turn exists because
+	// of the resource system of Godot. We can't cleanly hardcode that here,
+	// so the easiest for now (though not really clean) is to create new resource instances,
+	// individually attached to the script instances.
+
+	// We cannot use wrappers because of https://github.com/godotengine/godot/issues/39181
+	//	godot::NativeScript *script = godot::NativeScript::_new();
+	//	script->set_library(get_wrapper<godot::GDNativeLibrary>((godot_object *)godot::gdnlib));
+	//	script->set_class_name(T::___get_class_name());
+
+	static_assert(T::___CLASS_IS_SCRIPT, "This function must only be used on custom classes");
+
+	// So we use the C API directly.
+	static godot_class_constructor script_constructor = godot::api->godot_get_class_constructor("NativeScript");
+	static godot_method_bind *mb_set_library = godot::api->godot_method_bind_get_method("NativeScript", "set_library");
+	static godot_method_bind *mb_set_class_name = godot::api->godot_method_bind_get_method("NativeScript", "set_class_name");
+	godot_object *script = script_constructor();
+	{
+		const void *args[] = { godot::gdnlib };
+		godot::api->godot_method_bind_ptrcall(mb_set_library, script, args, nullptr);
+	}
+	{
+		const String class_name = T::___get_class_name();
+		const void *args[] = { &class_name };
+		godot::api->godot_method_bind_ptrcall(mb_set_class_name, script, args, nullptr);
+	}
+
+	// Now to instanciate T, we initially did this, however in case of Reference it returns a variant with refcount
+	// already initialized, which woud cause inconsistent behavior compared to other classes (we still have to return a pointer).
+	//Variant instance_variant = script->new_();
+	//T *instance = godot::get_custom_class_instance<T>(instance_variant);
+
+	// So we should do this instead, however while convenient, it uses unnecessary wrapper objects.
+	//	Object *base_obj = T::___new_godot_base();
+	//	base_obj->set_script(script);
+	//	return get_custom_class_instance<T>(base_obj);
+
+	// Again using the C API to do exactly what we have to do.
+	static godot_class_constructor base_constructor = godot::api->godot_get_class_constructor(T::___get_godot_class_name());
+	static godot_method_bind *mb_set_script = godot::api->godot_method_bind_get_method("Object", "set_script");
+	godot_object *base_obj = base_constructor();
+	{
+		const void *args[] = { script };
+		godot::api->godot_method_bind_ptrcall(mb_set_script, base_obj, args, nullptr);
+	}
+
+	return (T *)godot::nativescript_api->godot_nativescript_get_userdata(base_obj);
+}
+
+} // namespace detail
+
+// Used in the definition of a custom class.
+//
+// Name:                       Name of your class, without namespace
+// Base:                       Name of the direct base class, with namespace if necessary
+//
+// ___get_class_name:          Name of the class
+// ___get_godot_class_name:    Name of the Godot base class this class inherits from (i.e not direct)
+// _new:                       Creates a new instance of the class
+// ___get_id:                  Gets the unique ID of the class. Godot and custom classes are both within that set.
+// ___get_base_id:             Gets the ID of the direct base class, as returned by ___get_id
+// ___get_base_class_name:     Name of the direct base class
+// ___get_from_variant:        Converts a Variant into an Object*. Will be non-null if the class matches.
+#define GODOT_CLASS(Name, Base)                                                              \
+                                                                                             \
+public:                                                                                      \
+	inline static const char *___get_class_name() { return #Name; }                          \
+	enum { ___CLASS_IS_SCRIPT = 1 };                                                         \
+	inline static const char *___get_godot_class_name() {                                    \
+		return Base::___get_godot_class_name();                                              \
+	}                                                                                        \
+	inline static Name *_new() {                                                             \
+		return godot::detail::create_custom_class_instance<Name>();                          \
+	}                                                                                        \
+	inline static size_t ___get_id() { return typeid(Name).hash_code(); }                    \
+	inline static size_t ___get_base_id() { return Base::___get_id(); }                      \
+	inline static const char *___get_base_class_name() { return Base::___get_class_name(); } \
+	inline static godot::Object *___get_from_variant(godot::Variant a) {                     \
+		return (godot::Object *)godot::detail::get_custom_class_instance<Name>(              \
+				godot::Object::___get_from_variant(a));                                      \
+	}                                                                                        \
+                                                                                             \
+private:
+
+// Legacy compatibility
+#define GODOT_SUBCLASS(Name, Base) GODOT_CLASS(Name, Base)
+
+template <class T>
+struct _ArgCast {
+	static T _arg_cast(Variant a) {
+		return a;
+	}
+};
+
+template <class T>
+struct _ArgCast<T *> {
+	static T *_arg_cast(Variant a) {
+		return (T *)T::___get_from_variant(a);
+	}
+};
+
+template <>
+struct _ArgCast<Variant> {
+	static Variant _arg_cast(Variant a) {
+		return a;
+	}
+};
+
+// instance and destroy funcs
+
+template <class T>
+void *_godot_class_instance_func(godot_object *p, void * /*method_data*/) {
+	T *d = new T();
+	d->_owner = p;
+	d->_type_tag = typeid(T).hash_code();
+	d->_init();
+	return d;
+}
+
+template <class T>
+void _godot_class_destroy_func(godot_object * /*p*/, void * /*method_data*/, void *data) {
+	T *d = (T *)data;
+	delete d;
+}
+
+template <class T>
+void register_class() {
+	static_assert(T::___CLASS_IS_SCRIPT, "This function must only be used on custom classes");
+
+	godot_instance_create_func create = {};
+	create.create_func = _godot_class_instance_func<T>;
+
+	godot_instance_destroy_func destroy = {};
+	destroy.destroy_func = _godot_class_destroy_func<T>;
+
+	_TagDB::register_type(T::___get_id(), T::___get_base_id());
+
+	godot::nativescript_api->godot_nativescript_register_class(godot::_RegisterState::nativescript_handle,
+			T::___get_class_name(), T::___get_base_class_name(), create, destroy);
+
+	godot::nativescript_1_1_api->godot_nativescript_set_type_tag(godot::_RegisterState::nativescript_handle,
+			T::___get_class_name(), (const void *)T::___get_id());
+
+	T::_register_methods();
+}
+
+template <class T>
+void register_tool_class() {
+	static_assert(T::___CLASS_IS_SCRIPT, "This function must only be used on custom classes");
+
+	godot_instance_create_func create = {};
+	create.create_func = _godot_class_instance_func<T>;
+
+	godot_instance_destroy_func destroy = {};
+	destroy.destroy_func = _godot_class_destroy_func<T>;
+
+	_TagDB::register_type(T::___get_id(), T::___get_base_id());
+
+	godot::nativescript_api->godot_nativescript_register_tool_class(godot::_RegisterState::nativescript_handle,
+			T::___get_class_name(), T::___get_base_class_name(), create, destroy);
+
+	godot::nativescript_1_1_api->godot_nativescript_set_type_tag(godot::_RegisterState::nativescript_handle,
+			T::___get_class_name(), (const void *)T::___get_id());
+
+	T::_register_methods();
+}
+
+// method registering
+
+typedef godot_variant (*__godot_wrapper_method)(godot_object *, void *, void *, int, godot_variant **);
+
+template <class T, class R, class... args>
+const char *___get_method_class_name(R (T::*p)(args... a)) {
+	static_assert(T::___CLASS_IS_SCRIPT, "This function must only be used on custom classes");
+	(void)p; // To avoid "unused parameter" warnings. `p` is required for template matching.
+	return T::___get_class_name();
+}
+
+// This second version is also required to match constant functions
+template <class T, class R, class... args>
+const char *___get_method_class_name(R (T::*p)(args... a) const) {
+	static_assert(T::___CLASS_IS_SCRIPT, "This function must only be used on custom classes");
+	(void)p; // To avoid "unused parameter" warnings. `p` is required for template matching.
+	return T::___get_class_name();
+}
+
+// Okay, time for some template magic.
+// Many thanks to manpat from the GDL Discord Server.
+
+// This is stuff that's available in C++14 I think, but whatever.
+
+template <int... I>
+struct __Sequence {};
+
+template <int N, int... I>
+struct __construct_sequence {
+	using type = typename __construct_sequence<N - 1, N - 1, I...>::type;
+};
+
+template <int... I>
+struct __construct_sequence<0, I...> {
+	using type = __Sequence<I...>;
+};
+
+// Now the wrapping part.
+template <class T, class R, class... As>
+struct _WrappedMethod {
+	R(T::*f)
+	(As...);
+
+	template <int... I>
+	void apply(Variant *ret, T *obj, Variant **args, __Sequence<I...>) {
+		*ret = (obj->*f)(_ArgCast<As>::_arg_cast(*args[I])...);
+	}
+};
+
+template <class T, class... As>
+struct _WrappedMethod<T, void, As...> {
+	void (T::*f)(As...);
+
+	template <int... I>
+	void apply(Variant * /*ret*/, T *obj, Variant **args, __Sequence<I...>) {
+		(obj->*f)(_ArgCast<As>::_arg_cast(*args[I])...);
+	}
+};
+
+template <class T, class R, class... As>
+godot_variant __wrapped_method(godot_object *, void *method_data, void *user_data, int /*num_args*/, godot_variant **args) {
+	godot_variant v;
+	godot::api->godot_variant_new_nil(&v);
+
+	T *obj = (T *)user_data;
+	_WrappedMethod<T, R, As...> *method = (_WrappedMethod<T, R, As...> *)method_data;
+
+	Variant *var = (Variant *)&v;
+	Variant **arg = (Variant **)args;
+
+	method->apply(var, obj, arg, typename __construct_sequence<sizeof...(As)>::type{});
+
+	return v;
+}
+
+template <class T, class R, class... As>
+void *___make_wrapper_function(R (T::*f)(As...)) {
+	using MethodType = _WrappedMethod<T, R, As...>;
+	MethodType *p = (MethodType *)godot::api->godot_alloc(sizeof(MethodType));
+	p->f = f;
+	return (void *)p;
+}
+
+template <class T, class R, class... As>
+__godot_wrapper_method ___get_wrapper_function(R (T::* /*f*/)(As...)) {
+	return (__godot_wrapper_method)&__wrapped_method<T, R, As...>;
+}
+
+template <class T, class R, class... A>
+void *___make_wrapper_function(R (T::*f)(A...) const) {
+	return ___make_wrapper_function((R(T::*)(A...))f);
+}
+
+template <class T, class R, class... A>
+__godot_wrapper_method ___get_wrapper_function(R (T::*f)(A...) const) {
+	return ___get_wrapper_function((R(T::*)(A...))f);
+}
+
+template <class M>
+void register_method(const char *name, M method_ptr, godot_method_rpc_mode rpc_type = GODOT_METHOD_RPC_MODE_DISABLED) {
+	godot_instance_method method = {};
+	method.method_data = ___make_wrapper_function(method_ptr);
+	method.free_func = godot::api->godot_free;
+	method.method = (__godot_wrapper_method)___get_wrapper_function(method_ptr);
+
+	godot_method_attributes attr = {};
+	attr.rpc_type = rpc_type;
+
+	godot::nativescript_api->godot_nativescript_register_method(godot::_RegisterState::nativescript_handle,
+			___get_method_class_name(method_ptr), name, attr, method);
+}
+
+// User can specify a derived class D to register the method for, instead of it being inferred.
+template <class D, class B, class R, class... As>
+void register_method_explicit(const char *name, R (B::*method_ptr)(As...),
+		godot_method_rpc_mode rpc_type = GODOT_METHOD_RPC_MODE_DISABLED) {
+	static_assert(std::is_base_of<B, D>::value, "Explicit class must derive from method class");
+	register_method(name, static_cast<R (D::*)(As...)>(method_ptr), rpc_type);
+}
+
+template <class T, class P>
+struct _PropertySetFunc {
+	void (T::*f)(P);
+	static void _wrapped_setter(godot_object * /*object*/, void *method_data, void *user_data, godot_variant *value) {
+		_PropertySetFunc<T, P> *set_func = (_PropertySetFunc<T, P> *)method_data;
+		T *obj = (T *)user_data;
+
+		Variant *v = (Variant *)value;
+
+		(obj->*(set_func->f))(_ArgCast<P>::_arg_cast(*v));
+	}
+};
+
+template <class T, class P>
+struct _PropertyGetFunc {
+	P(T::*f)
+	();
+	static godot_variant _wrapped_getter(godot_object * /*object*/, void *method_data, void *user_data) {
+		_PropertyGetFunc<T, P> *get_func = (_PropertyGetFunc<T, P> *)method_data;
+		T *obj = (T *)user_data;
+
+		godot_variant var;
+		godot::api->godot_variant_new_nil(&var);
+
+		Variant *v = (Variant *)&var;
+
+		*v = (obj->*(get_func->f))();
+
+		return var;
+	}
+};
+
+template <class T, class P>
+struct _PropertyDefaultSetFunc {
+	P(T::*f);
+	static void _wrapped_setter(godot_object * /*object*/, void *method_data, void *user_data, godot_variant *value) {
+		_PropertyDefaultSetFunc<T, P> *set_func = (_PropertyDefaultSetFunc<T, P> *)method_data;
+		T *obj = (T *)user_data;
+
+		Variant *v = (Variant *)value;
+
+		(obj->*(set_func->f)) = _ArgCast<P>::_arg_cast(*v);
+	}
+};
+
+template <class T, class P>
+struct _PropertyDefaultGetFunc {
+	P(T::*f);
+	static godot_variant _wrapped_getter(godot_object * /*object*/, void *method_data, void *user_data) {
+		_PropertyDefaultGetFunc<T, P> *get_func = (_PropertyDefaultGetFunc<T, P> *)method_data;
+		T *obj = (T *)user_data;
+
+		godot_variant var;
+		godot::api->godot_variant_new_nil(&var);
+
+		Variant *v = (Variant *)&var;
+
+		*v = (obj->*(get_func->f));
+
+		return var;
+	}
+};
+
+template <class T, class P>
+void register_property(const char *name, P(T::*var), P default_value,
+		godot_method_rpc_mode rpc_mode = GODOT_METHOD_RPC_MODE_DISABLED,
+		godot_property_usage_flags usage = GODOT_PROPERTY_USAGE_DEFAULT,
+		godot_property_hint hint = GODOT_PROPERTY_HINT_NONE, String hint_string = "") {
+	static_assert(T::___CLASS_IS_SCRIPT, "This function must only be used on custom classes");
+
+	Variant def_val = default_value;
+
+	usage = (godot_property_usage_flags)((int)usage | GODOT_PROPERTY_USAGE_SCRIPT_VARIABLE);
+
+	if (def_val.get_type() == Variant::OBJECT) {
+		Object *o = detail::get_wrapper<Object>(def_val.operator godot_object *());
+		if (o && o->is_class("Resource")) {
+			hint = (godot_property_hint)((int)hint | GODOT_PROPERTY_HINT_RESOURCE_TYPE);
+			hint_string = o->get_class();
+		}
+	}
+
+	godot_string *_hint_string = (godot_string *)&hint_string;
+
+	godot_property_attributes attr = {};
+	if (def_val.get_type() == Variant::NIL) {
+		attr.type = Variant::OBJECT;
+	} else {
+		attr.type = def_val.get_type();
+		attr.default_value = *(godot_variant *)&def_val;
+	}
+
+	attr.hint = hint;
+	attr.rset_type = rpc_mode;
+	attr.usage = usage;
+	attr.hint_string = *_hint_string;
+
+	_PropertyDefaultSetFunc<T, P> *wrapped_set =
+			(_PropertyDefaultSetFunc<T, P> *)godot::api->godot_alloc(sizeof(_PropertyDefaultSetFunc<T, P>));
+	wrapped_set->f = var;
+
+	_PropertyDefaultGetFunc<T, P> *wrapped_get =
+			(_PropertyDefaultGetFunc<T, P> *)godot::api->godot_alloc(sizeof(_PropertyDefaultGetFunc<T, P>));
+	wrapped_get->f = var;
+
+	godot_property_set_func set_func = {};
+	set_func.method_data = (void *)wrapped_set;
+	set_func.free_func = godot::api->godot_free;
+	set_func.set_func = &_PropertyDefaultSetFunc<T, P>::_wrapped_setter;
+
+	godot_property_get_func get_func = {};
+	get_func.method_data = (void *)wrapped_get;
+	get_func.free_func = godot::api->godot_free;
+	get_func.get_func = &_PropertyDefaultGetFunc<T, P>::_wrapped_getter;
+
+	godot::nativescript_api->godot_nativescript_register_property(godot::_RegisterState::nativescript_handle,
+			T::___get_class_name(), name, &attr, set_func, get_func);
+}
+
+template <class T, class P>
+void register_property(const char *name, void (T::*setter)(P), P (T::*getter)(), P default_value,
+		godot_method_rpc_mode rpc_mode = GODOT_METHOD_RPC_MODE_DISABLED,
+		godot_property_usage_flags usage = GODOT_PROPERTY_USAGE_DEFAULT,
+		godot_property_hint hint = GODOT_PROPERTY_HINT_NONE, String hint_string = "") {
+	static_assert(T::___CLASS_IS_SCRIPT, "This function must only be used on custom classes");
+
+	Variant def_val = default_value;
+
+	godot_string *_hint_string = (godot_string *)&hint_string;
+
+	godot_property_attributes attr = {};
+	if (def_val.get_type() == Variant::NIL) {
+		attr.type = Variant::OBJECT;
+	} else {
+		attr.type = def_val.get_type();
+		attr.default_value = *(godot_variant *)&def_val;
+	}
+	attr.hint = hint;
+	attr.rset_type = rpc_mode;
+	attr.usage = usage;
+	attr.hint_string = *_hint_string;
+
+	_PropertySetFunc<T, P> *wrapped_set = (_PropertySetFunc<T, P> *)godot::api->godot_alloc(sizeof(_PropertySetFunc<T, P>));
+	wrapped_set->f = setter;
+
+	_PropertyGetFunc<T, P> *wrapped_get = (_PropertyGetFunc<T, P> *)godot::api->godot_alloc(sizeof(_PropertyGetFunc<T, P>));
+	wrapped_get->f = getter;
+
+	godot_property_set_func set_func = {};
+	set_func.method_data = (void *)wrapped_set;
+	set_func.free_func = godot::api->godot_free;
+	set_func.set_func = &_PropertySetFunc<T, P>::_wrapped_setter;
+
+	godot_property_get_func get_func = {};
+	get_func.method_data = (void *)wrapped_get;
+	get_func.free_func = godot::api->godot_free;
+	get_func.get_func = &_PropertyGetFunc<T, P>::_wrapped_getter;
+
+	godot::nativescript_api->godot_nativescript_register_property(godot::_RegisterState::nativescript_handle,
+			T::___get_class_name(), name, &attr, set_func, get_func);
+}
+
+template <class T, class P>
+void register_property(const char *name, void (T::*setter)(P), P (T::*getter)() const, P default_value,
+		godot_method_rpc_mode rpc_mode = GODOT_METHOD_RPC_MODE_DISABLED,
+		godot_property_usage_flags usage = GODOT_PROPERTY_USAGE_DEFAULT,
+		godot_property_hint hint = GODOT_PROPERTY_HINT_NONE, String hint_string = "") {
+	register_property(name, setter, (P(T::*)())getter, default_value, rpc_mode, usage, hint, hint_string);
+}
+
+template <class T>
+void register_signal(String name, Dictionary args) {
+	static_assert(T::___CLASS_IS_SCRIPT, "This function must only be used on custom classes");
+
+	godot_signal signal = {};
+	signal.name = *(godot_string *)&name;
+	signal.num_args = args.size();
+	signal.num_default_args = 0;
+
+	// Need to check because malloc(0) is platform-dependent. Zero arguments will leave args to nullptr.
+	if (signal.num_args != 0) {
+		signal.args = (godot_signal_argument *)godot::api->godot_alloc(sizeof(godot_signal_argument) * signal.num_args);
+		memset((void *)signal.args, 0, sizeof(godot_signal_argument) * signal.num_args);
+	}
+
+	for (int i = 0; i < signal.num_args; i++) {
+		// Array entry = args[i];
+		// String name = entry[0];
+		String name = args.keys()[i];
+		godot_string *_key = (godot_string *)&name;
+		godot::api->godot_string_new_copy(&signal.args[i].name, _key);
+
+		// if (entry.size() > 1) {
+		// 	signal.args[i].type = entry[1];
+		// }
+		signal.args[i].type = args.values()[i];
+	}
+
+	godot::nativescript_api->godot_nativescript_register_signal(godot::_RegisterState::nativescript_handle,
+			T::___get_class_name(), &signal);
+
+	for (int i = 0; i < signal.num_args; i++) {
+		godot::api->godot_string_destroy(&signal.args[i].name);
+	}
+
+	if (signal.args) {
+		godot::api->godot_free(signal.args);
+	}
+}
+
+template <class T, class... Args>
+void register_signal(String name, Args... varargs) {
+	register_signal<T>(name, Dictionary::make(varargs...));
+}
+
+template <class T>
+void register_signal(String name) {
+	static_assert(T::___CLASS_IS_SCRIPT, "This function must only be used on custom classes");
+
+	godot_signal signal = {};
+	signal.name = *(godot_string *)&name;
+
+	godot::nativescript_api->godot_nativescript_register_signal(godot::_RegisterState::nativescript_handle,
+			T::___get_class_name(), &signal);
+}
+
+#ifndef GODOT_CPP_NO_OBJECT_CAST
+template <class T>
+T *Object::cast_to(const Object *obj) {
+	if (!obj)
+		return nullptr;
+
+	if (T::___CLASS_IS_SCRIPT) {
+		size_t have_tag = (size_t)godot::nativescript_1_1_api->godot_nativescript_get_type_tag(obj->_owner);
+		if (have_tag) {
+			if (!godot::_TagDB::is_type_known((size_t)have_tag)) {
+				have_tag = 0;
+			}
+		}
+
+		if (!have_tag) {
+			have_tag = obj->_type_tag;
+		}
+
+		if (godot::_TagDB::is_type_compatible(T::___get_id(), have_tag)) {
+			return detail::get_custom_class_instance<T>(obj);
+		}
+	} else {
+		if (godot::core_1_2_api->godot_object_cast_to(obj->_owner, (void *)T::___get_id())) {
+			return (T *)obj;
+		}
+	}
+
+	return nullptr;
+}
+#endif
+
+} // namespace godot
+
+#endif // GODOT_HPP

include/core/GodotGlobal.hpp

@@ -0,0 +1,81 @@
+/*************************************************************************/
+/*  GodotGlobal.hpp                                                      */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                      https://godotengine.org                          */
+/*************************************************************************/
+/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur.                 */
+/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md).   */
+/*                                                                       */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the       */
+/* "Software"), to deal in the Software without restriction, including   */
+/* without limitation the rights to use, copy, modify, merge, publish,   */
+/* distribute, sublicense, and/or sell copies of the Software, and to    */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions:                                             */
+/*                                                                       */
+/* The above copyright notice and this permission notice shall be        */
+/* included in all copies or substantial portions of the Software.       */
+/*                                                                       */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
+/*************************************************************************/
+
+#ifndef GODOT_GLOBAL_HPP
+#define GODOT_GLOBAL_HPP
+
+#include "Array.hpp"
+#include "String.hpp"
+#include <gdnative_api_struct.gen.h>
+
+namespace godot {
+
+extern "C" const godot_gdnative_core_api_struct *api;
+extern "C" const godot_gdnative_core_1_1_api_struct *core_1_1_api;
+extern "C" const godot_gdnative_core_1_2_api_struct *core_1_2_api;
+
+extern "C" const godot_gdnative_ext_nativescript_api_struct *nativescript_api;
+extern "C" const godot_gdnative_ext_nativescript_1_1_api_struct *nativescript_1_1_api;
+extern "C" const godot_gdnative_ext_pluginscript_api_struct *pluginscript_api;
+extern "C" const godot_gdnative_ext_android_api_struct *android_api;
+extern "C" const godot_gdnative_ext_arvr_api_struct *arvr_api;
+extern "C" const godot_gdnative_ext_videodecoder_api_struct *videodecoder_api;
+extern "C" const godot_gdnative_ext_net_api_struct *net_api;
+extern "C" const godot_gdnative_ext_net_3_2_api_struct *net_3_2_api;
+
+extern "C" const void *gdnlib;
+
+class Godot {
+public:
+	static void print(const String &message);
+	static void print_warning(const String &description, const String &function, const String &file, int line);
+	static void print_error(const String &description, const String &function, const String &file, int line);
+
+	static void gdnative_init(godot_gdnative_init_options *o);
+	static void gdnative_terminate(godot_gdnative_terminate_options *o);
+	static void nativescript_init(void *handle);
+	static void nativescript_terminate(void *handle);
+
+	static void gdnative_profiling_add_data(const char *p_signature, uint64_t p_time);
+
+	template <class... Args>
+	static void print(const String &fmt, Args... values) {
+		print(fmt.format(Array::make(values...)));
+	}
+};
+
+struct _RegisterState {
+	static void *nativescript_handle;
+	static int language_index;
+};
+
+} // namespace godot
+
+#endif

include/core/GodotProfiling.hpp

@@ -0,0 +1,63 @@
+/*************************************************************************/
+/*  GodotProfiling.hpp                                                   */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                      https://godotengine.org                          */
+/*************************************************************************/
+/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur.                 */
+/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md).   */
+/*                                                                       */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the       */
+/* "Software"), to deal in the Software without restriction, including   */
+/* without limitation the rights to use, copy, modify, merge, publish,   */
+/* distribute, sublicense, and/or sell copies of the Software, and to    */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions:                                             */
+/*                                                                       */
+/* The above copyright notice and this permission notice shall be        */
+/* included in all copies or substantial portions of the Software.       */
+/*                                                                       */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
+/*************************************************************************/
+
+#ifndef GODOT_PROFILING_HPP
+#define GODOT_PROFILING_HPP
+
+#include "OS.hpp"
+
+namespace godot {
+
+class FunctionProfiling {
+	char signature[1024];
+	uint64_t ticks;
+
+public:
+	FunctionProfiling(const char *p_function, const int p_line) {
+		snprintf(signature, 1024, "::%d::%s", p_line, p_function);
+		ticks = OS::get_singleton()->get_ticks_usec();
+	}
+	~FunctionProfiling() {
+		uint64_t t = OS::get_singleton()->get_ticks_usec() - ticks;
+		if (t > 0) {
+			Godot::gdnative_profiling_add_data(signature, t);
+		}
+	}
+};
+
+} // namespace godot
+
+#ifdef DEBUG_ENABLED
+#define GODOT_PROFILING_FUNCTION FunctionProfiling __function_profiling(__FUNCTION__, __LINE__);
+#else
+#define GODOT_PROFILING_FUNCTION
+#endif
+
+#endif

include/core/Math.hpp

@@ -0,0 +1,302 @@
+/*************************************************************************/
+/*  Math.hpp                                                             */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                      https://godotengine.org                          */
+/*************************************************************************/
+/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur.                 */
+/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md).   */
+/*                                                                       */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the       */
+/* "Software"), to deal in the Software without restriction, including   */
+/* without limitation the rights to use, copy, modify, merge, publish,   */
+/* distribute, sublicense, and/or sell copies of the Software, and to    */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions:                                             */
+/*                                                                       */
+/* The above copyright notice and this permission notice shall be        */
+/* included in all copies or substantial portions of the Software.       */
+/*                                                                       */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
+/*************************************************************************/
+
+#ifndef GODOT_MATH_H
+#define GODOT_MATH_H
+
+#include "Defs.hpp"
+#include <cmath>
+
+namespace godot {
+namespace Math {
+
+// Functions reproduced as in Godot's source code `math_funcs.h`.
+// Some are overloads to automatically support changing real_t into either double or float in the way Godot does.
+
+inline double fmod(double p_x, double p_y) {
+	return ::fmod(p_x, p_y);
+}
+inline float fmod(float p_x, float p_y) {
+	return ::fmodf(p_x, p_y);
+}
+
+inline double floor(double p_x) {
+	return ::floor(p_x);
+}
+inline float floor(float p_x) {
+	return ::floorf(p_x);
+}
+
+inline double exp(double p_x) {
+	return ::exp(p_x);
+}
+inline float exp(float p_x) {
+	return ::expf(p_x);
+}
+
+inline double sin(double p_x) {
+	return ::sin(p_x);
+}
+inline float sin(float p_x) {
+	return ::sinf(p_x);
+}
+
+inline double cos(double p_x) {
+	return ::cos(p_x);
+}
+inline float cos(float p_x) {
+	return ::cosf(p_x);
+}
+
+inline double tan(double p_x) {
+	return ::tan(p_x);
+}
+inline float tan(float p_x) {
+	return ::tanf(p_x);
+}
+
+inline double asin(double p_x) {
+	return ::asin(p_x);
+}
+inline float asin(float p_x) {
+	return ::asinf(p_x);
+}
+
+inline double acos(double p_x) {
+	return ::acos(p_x);
+}
+inline float acos(float p_x) {
+	return ::acosf(p_x);
+}
+
+inline double atan(double p_x) {
+	return ::atan(p_x);
+}
+inline float atan(float p_x) {
+	return ::atanf(p_x);
+}
+
+inline double atan2(double p_y, double p_x) {
+	return ::atan2(p_y, p_x);
+}
+inline float atan2(float p_y, float p_x) {
+	return ::atan2f(p_y, p_x);
+}
+
+inline double sqrt(double p_x) {
+	return ::sqrt(p_x);
+}
+inline float sqrt(float p_x) {
+	return ::sqrtf(p_x);
+}
+
+inline float lerp(float minv, float maxv, float t) {
+	return minv + t * (maxv - minv);
+}
+inline double lerp(double minv, double maxv, double t) {
+	return minv + t * (maxv - minv);
+}
+
+inline double lerp_angle(double p_from, double p_to, double p_weight) {
+	double difference = fmod(p_to - p_from, Math_TAU);
+	double distance = fmod(2.0 * difference, Math_TAU) - difference;
+	return p_from + distance * p_weight;
+}
+inline float lerp_angle(float p_from, float p_to, float p_weight) {
+	float difference = fmod(p_to - p_from, (float)Math_TAU);
+	float distance = fmod(2.0f * difference, (float)Math_TAU) - difference;
+	return p_from + distance * p_weight;
+}
+
+template <typename T>
+inline T clamp(T x, T minv, T maxv) {
+	if (x < minv) {
+		return minv;
+	}
+	if (x > maxv) {
+		return maxv;
+	}
+	return x;
+}
+
+template <typename T>
+inline T min(T a, T b) {
+	return a < b ? a : b;
+}
+
+template <typename T>
+inline T max(T a, T b) {
+	return a > b ? a : b;
+}
+
+template <typename T>
+inline T sign(T x) {
+	return static_cast<T>(x < 0 ? -1 : 1);
+}
+
+inline double deg2rad(double p_y) {
+	return p_y * Math_PI / 180.0;
+}
+inline float deg2rad(float p_y) {
+	return p_y * static_cast<float>(Math_PI) / 180.f;
+}
+
+inline double rad2deg(double p_y) {
+	return p_y * 180.0 / Math_PI;
+}
+inline float rad2deg(float p_y) {
+	return p_y * 180.f / static_cast<float>(Math_PI);
+}
+
+inline double inverse_lerp(double p_from, double p_to, double p_value) {
+	return (p_value - p_from) / (p_to - p_from);
+}
+inline float inverse_lerp(float p_from, float p_to, float p_value) {
+	return (p_value - p_from) / (p_to - p_from);
+}
+
+inline double range_lerp(double p_value, double p_istart, double p_istop, double p_ostart, double p_ostop) {
+	return Math::lerp(p_ostart, p_ostop, Math::inverse_lerp(p_istart, p_istop, p_value));
+}
+inline float range_lerp(float p_value, float p_istart, float p_istop, float p_ostart, float p_ostop) {
+	return Math::lerp(p_ostart, p_ostop, Math::inverse_lerp(p_istart, p_istop, p_value));
+}
+
+inline bool is_equal_approx(real_t a, real_t b) {
+	// Check for exact equality first, required to handle "infinity" values.
+	if (a == b) {
+		return true;
+	}
+	// Then check for approximate equality.
+	real_t tolerance = CMP_EPSILON * std::abs(a);
+	if (tolerance < CMP_EPSILON) {
+		tolerance = CMP_EPSILON;
+	}
+	return std::abs(a - b) < tolerance;
+}
+
+inline bool is_equal_approx(real_t a, real_t b, real_t tolerance) {
+	// Check for exact equality first, required to handle "infinity" values.
+	if (a == b) {
+		return true;
+	}
+	// Then check for approximate equality.
+	return std::abs(a - b) < tolerance;
+}
+
+inline bool is_zero_approx(real_t s) {
+	return std::abs(s) < CMP_EPSILON;
+}
+
+inline double smoothstep(double p_from, double p_to, double p_weight) {
+	if (is_equal_approx(static_cast<real_t>(p_from), static_cast<real_t>(p_to))) {
+		return p_from;
+	}
+	double x = clamp((p_weight - p_from) / (p_to - p_from), 0.0, 1.0);
+	return x * x * (3.0 - 2.0 * x);
+}
+inline float smoothstep(float p_from, float p_to, float p_weight) {
+	if (is_equal_approx(p_from, p_to)) {
+		return p_from;
+	}
+	float x = clamp((p_weight - p_from) / (p_to - p_from), 0.0f, 1.0f);
+	return x * x * (3.0f - 2.0f * x);
+}
+
+inline double move_toward(double p_from, double p_to, double p_delta) {
+	return std::abs(p_to - p_from) <= p_delta ? p_to : p_from + sign(p_to - p_from) * p_delta;
+}
+
+inline float move_toward(float p_from, float p_to, float p_delta) {
+	return std::abs(p_to - p_from) <= p_delta ? p_to : p_from + sign(p_to - p_from) * p_delta;
+}
+
+inline double linear2db(double p_linear) {
+	return log(p_linear) * 8.6858896380650365530225783783321;
+}
+inline float linear2db(float p_linear) {
+	return log(p_linear) * 8.6858896380650365530225783783321f;
+}
+
+inline double db2linear(double p_db) {
+	return exp(p_db * 0.11512925464970228420089957273422);
+}
+inline float db2linear(float p_db) {
+	return exp(p_db * 0.11512925464970228420089957273422f);
+}
+
+inline double round(double p_val) {
+	return (p_val >= 0) ? floor(p_val + 0.5) : -floor(-p_val + 0.5);
+}
+inline float round(float p_val) {
+	return (p_val >= 0) ? floor(p_val + 0.5f) : -floor(-p_val + 0.5f);
+}
+
+inline int64_t wrapi(int64_t value, int64_t min, int64_t max) {
+	int64_t range = max - min;
+	return range == 0 ? min : min + ((((value - min) % range) + range) % range);
+}
+
+inline float wrapf(real_t value, real_t min, real_t max) {
+	const real_t range = max - min;
+	return is_zero_approx(range) ? min : value - (range * floor((value - min) / range));
+}
+
+inline float stepify(float p_value, float p_step) {
+	if (p_step != 0) {
+		p_value = floor(p_value / p_step + 0.5f) * p_step;
+	}
+	return p_value;
+}
+inline double stepify(double p_value, double p_step) {
+	if (p_step != 0) {
+		p_value = floor(p_value / p_step + 0.5) * p_step;
+	}
+	return p_value;
+}
+
+inline unsigned int next_power_of_2(unsigned int x) {
+	if (x == 0)
+		return 0;
+
+	--x;
+	x |= x >> 1;
+	x |= x >> 2;
+	x |= x >> 4;
+	x |= x >> 8;
+	x |= x >> 16;
+
+	return ++x;
+}
+
+} // namespace Math
+} // namespace godot
+
+#endif // GODOT_MATH_H

include/core/NodePath.hpp

@@ -0,0 +1,84 @@
+/*************************************************************************/
+/*  NodePath.hpp                                                         */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                      https://godotengine.org                          */
+/*************************************************************************/
+/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur.                 */
+/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md).   */
+/*                                                                       */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the       */
+/* "Software"), to deal in the Software without restriction, including   */
+/* without limitation the rights to use, copy, modify, merge, publish,   */
+/* distribute, sublicense, and/or sell copies of the Software, and to    */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions:                                             */
+/*                                                                       */
+/* The above copyright notice and this permission notice shall be        */
+/* included in all copies or substantial portions of the Software.       */
+/*                                                                       */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
+/*************************************************************************/
+
+#ifndef NODEPATH_H
+#define NODEPATH_H
+
+#include "String.hpp"
+
+#include <gdnative/node_path.h>
+
+namespace godot {
+
+class NodePath {
+	godot_node_path _node_path;
+
+	friend class Variant;
+	inline explicit NodePath(godot_node_path node_path) {
+		_node_path = node_path;
+	}
+
+public:
+	NodePath();
+
+	NodePath(const NodePath &other);
+
+	NodePath(const String &from);
+
+	NodePath(const char *contents);
+
+	String get_name(const int idx) const;
+
+	int get_name_count() const;
+
+	String get_subname(const int idx) const;
+
+	int get_subname_count() const;
+
+	bool is_absolute() const;
+
+	bool is_empty() const;
+
+	NodePath get_as_property_path() const;
+
+	String get_concatenated_subnames() const;
+
+	operator String() const;
+
+	void operator=(const NodePath &other);
+
+	bool operator==(const NodePath &other);
+
+	~NodePath();
+};
+
+} // namespace godot
+
+#endif // NODEPATH_H

include/core/Plane.hpp

@@ -0,0 +1,98 @@
+/*************************************************************************/
+/*  Plane.hpp                                                            */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                      https://godotengine.org                          */
+/*************************************************************************/
+/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur.                 */
+/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md).   */
+/*                                                                       */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the       */
+/* "Software"), to deal in the Software without restriction, including   */
+/* without limitation the rights to use, copy, modify, merge, publish,   */
+/* distribute, sublicense, and/or sell copies of the Software, and to    */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions:                                             */
+/*                                                                       */
+/* The above copyright notice and this permission notice shall be        */
+/* included in all copies or substantial portions of the Software.       */
+/*                                                                       */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
+/*************************************************************************/
+
+#ifndef PLANE_H
+#define PLANE_H
+
+#include "Vector3.hpp"
+
+#include <cmath>
+
+namespace godot {
+
+enum ClockDirection {
+
+	CLOCKWISE,
+	COUNTERCLOCKWISE
+};
+
+class Plane {
+public:
+	Vector3 normal;
+	real_t d;
+
+	void set_normal(const Vector3 &p_normal);
+
+	inline Vector3 get_normal() const { return normal; } ///Point is coplanar, CMP_EPSILON for precision
+
+	void normalize();
+
+	Plane normalized() const;
+
+	/* Plane-Point operations */
+
+	inline Vector3 center() const { return normal * d; }
+	Vector3 get_any_point() const;
+	Vector3 get_any_perpendicular_normal() const;
+
+	bool is_point_over(const Vector3 &p_point) const; ///< Point is over plane
+	real_t distance_to(const Vector3 &p_point) const;
+	bool has_point(const Vector3 &p_point, real_t _epsilon = CMP_EPSILON) const;
+
+	/* intersections */
+
+	bool intersect_3(const Plane &p_plane1, const Plane &p_plane2, Vector3 *r_result = 0) const;
+	bool intersects_ray(Vector3 p_from, Vector3 p_dir, Vector3 *p_intersection) const;
+	bool intersects_segment(Vector3 p_begin, Vector3 p_end, Vector3 *p_intersection) const;
+
+	Vector3 project(const Vector3 &p_point) const;
+
+	/* misc */
+
+	inline Plane operator-() const { return Plane(-normal, -d); }
+	bool is_almost_like(const Plane &p_plane) const;
+
+	bool operator==(const Plane &p_plane) const;
+	bool operator!=(const Plane &p_plane) const;
+	operator String() const;
+
+	inline Plane() { d = 0; }
+	inline Plane(real_t p_a, real_t p_b, real_t p_c, real_t p_d) :
+			normal(p_a, p_b, p_c),
+			d(p_d) {}
+
+	Plane(const Vector3 &p_normal, real_t p_d);
+	Plane(const Vector3 &p_point, const Vector3 &p_normal);
+	Plane(const Vector3 &p_point1, const Vector3 &p_point2, const Vector3 &p_point3, ClockDirection p_dir = CLOCKWISE);
+};
+
+} // namespace godot
+
+#endif // PLANE_H

include/core/PoolArrays.hpp

@@ -0,0 +1,766 @@
+/*************************************************************************/
+/*  PoolArrays.hpp                                                       */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                      https://godotengine.org                          */
+/*************************************************************************/
+/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur.                 */
+/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md).   */
+/*                                                                       */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the       */
+/* "Software"), to deal in the Software without restriction, including   */
+/* without limitation the rights to use, copy, modify, merge, publish,   */
+/* distribute, sublicense, and/or sell copies of the Software, and to    */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions:                                             */
+/*                                                                       */
+/* The above copyright notice and this permission notice shall be        */
+/* included in all copies or substantial portions of the Software.       */
+/*                                                                       */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
+/*************************************************************************/
+
+#ifndef POOLARRAYS_H
+#define POOLARRAYS_H
+
+#include "Defs.hpp"
+
+#include "Color.hpp"
+#include "GodotGlobal.hpp"
+#include "String.hpp"
+#include "Vector2.hpp"
+#include "Vector3.hpp"
+
+#include <gdnative/pool_arrays.h>
+
+namespace godot {
+
+class Array;
+
+class PoolByteArray {
+	godot_pool_byte_array _godot_array;
+
+	friend class String;
+	friend class Variant;
+	inline explicit PoolByteArray(godot_pool_byte_array a) {
+		_godot_array = a;
+	}
+
+public:
+	class Read {
+		friend class PoolByteArray;
+		godot_pool_byte_array_read_access *_read_access;
+
+	public:
+		inline Read() {
+			_read_access = nullptr;
+		}
+
+		inline Read(const Read &p_other) {
+			_read_access = godot::api->godot_pool_byte_array_read_access_copy(p_other._read_access);
+		}
+
+		inline ~Read() {
+			godot::api->godot_pool_byte_array_read_access_destroy(_read_access);
+		}
+
+		inline const uint8_t *ptr() const {
+			return godot::api->godot_pool_byte_array_read_access_ptr(_read_access);
+		}
+
+		inline const uint8_t &operator[](int p_idx) const {
+			return ptr()[p_idx];
+		}
+
+		inline void operator=(const Read &p_other) {
+			godot::api->godot_pool_byte_array_read_access_operator_assign(_read_access, p_other._read_access);
+		}
+	};
+
+	class Write {
+		friend class PoolByteArray;
+		godot_pool_byte_array_write_access *_write_access;
+
+	public:
+		inline Write() {
+			_write_access = nullptr;
+		}
+
+		inline Write(const Write &p_other) {
+			_write_access = godot::api->godot_pool_byte_array_write_access_copy(p_other._write_access);
+		}
+
+		inline ~Write() {
+			godot::api->godot_pool_byte_array_write_access_destroy(_write_access);
+		}
+
+		inline uint8_t *ptr() const {
+			return godot::api->godot_pool_byte_array_write_access_ptr(_write_access);
+		}
+
+		inline uint8_t &operator[](int p_idx) const {
+			return ptr()[p_idx];
+		}
+
+		inline void operator=(const Write &p_other) {
+			godot::api->godot_pool_byte_array_write_access_operator_assign(_write_access, p_other._write_access);
+		}
+	};
+
+	PoolByteArray();
+	PoolByteArray(const PoolByteArray &p_other);
+	PoolByteArray &operator=(const PoolByteArray &p_other);
+
+	PoolByteArray(const Array &array);
+
+	Read read() const;
+
+	Write write();
+
+	void append(const uint8_t data);
+
+	void append_array(const PoolByteArray &array);
+
+	int insert(const int idx, const uint8_t data);
+
+	void invert();
+
+	void push_back(const uint8_t data);
+
+	void remove(const int idx);
+
+	void resize(const int size);
+
+	void set(const int idx, const uint8_t data);
+
+	uint8_t operator[](const int idx);
+
+	int size() const;
+
+	~PoolByteArray();
+};
+
+class PoolIntArray {
+	godot_pool_int_array _godot_array;
+
+	friend class Variant;
+	explicit inline PoolIntArray(godot_pool_int_array a) {
+		_godot_array = a;
+	}
+
+public:
+	class Read {
+		friend class PoolIntArray;
+		godot_pool_int_array_read_access *_read_access;
+
+	public:
+		inline Read() {
+			_read_access = nullptr;
+		}
+
+		inline Read(const Read &p_other) {
+			_read_access = godot::api->godot_pool_int_array_read_access_copy(p_other._read_access);
+		}
+
+		inline ~Read() {
+			godot::api->godot_pool_int_array_read_access_destroy(_read_access);
+		}
+
+		inline const int *ptr() const {
+			return godot::api->godot_pool_int_array_read_access_ptr(_read_access);
+		}
+
+		inline const int &operator[](int p_idx) const {
+			return ptr()[p_idx];
+		}
+
+		inline void operator=(const Read &p_other) {
+			godot::api->godot_pool_int_array_read_access_operator_assign(_read_access, p_other._read_access);
+		}
+	};
+
+	class Write {
+		friend class PoolIntArray;
+		godot_pool_int_array_write_access *_write_access;
+
+	public:
+		inline Write() {
+			_write_access = nullptr;
+		}
+
+		inline Write(const Write &p_other) {
+			_write_access = godot::api->godot_pool_int_array_write_access_copy(p_other._write_access);
+		}
+
+		inline ~Write() {
+			godot::api->godot_pool_int_array_write_access_destroy(_write_access);
+		}
+
+		inline int *ptr() const {
+			return godot::api->godot_pool_int_array_write_access_ptr(_write_access);
+		}
+
+		inline int &operator[](int p_idx) const {
+			return ptr()[p_idx];
+		}
+
+		inline void operator=(const Write &p_other) {
+			godot::api->godot_pool_int_array_write_access_operator_assign(_write_access, p_other._write_access);
+		}
+	};
+
+	PoolIntArray();
+	PoolIntArray(const PoolIntArray &p_other);
+	PoolIntArray &operator=(const PoolIntArray &p_other);
+
+	PoolIntArray(const Array &array);
+
+	Read read() const;
+
+	Write write();
+
+	void append(const int data);
+
+	void append_array(const PoolIntArray &array);
+
+	int insert(const int idx, const int data);
+
+	void invert();
+
+	void push_back(const int data);
+
+	void remove(const int idx);
+
+	void resize(const int size);
+
+	void set(const int idx, const int data);
+
+	int operator[](const int idx);
+
+	int size() const;
+
+	~PoolIntArray();
+};
+
+class PoolRealArray {
+	godot_pool_real_array _godot_array;
+
+	friend class Variant;
+	explicit inline PoolRealArray(godot_pool_real_array a) {
+		_godot_array = a;
+	}
+
+public:
+	class Read {
+		friend class PoolRealArray;
+		godot_pool_real_array_read_access *_read_access;
+
+	public:
+		inline Read() {
+			_read_access = nullptr;
+		}
+
+		inline Read(const Read &p_other) {
+			_read_access = godot::api->godot_pool_real_array_read_access_copy(p_other._read_access);
+		}
+
+		inline ~Read() {
+			godot::api->godot_pool_real_array_read_access_destroy(_read_access);
+		}
+
+		inline const real_t *ptr() const {
+			return godot::api->godot_pool_real_array_read_access_ptr(_read_access);
+		}
+
+		inline const real_t &operator[](int p_idx) const {
+			return ptr()[p_idx];
+		}
+
+		inline void operator=(const Read &p_other) {
+			godot::api->godot_pool_real_array_read_access_operator_assign(_read_access, p_other._read_access);
+		}
+	};
+
+	class Write {
+		friend class PoolRealArray;
+		godot_pool_real_array_write_access *_write_access;
+
+	public:
+		inline Write() {
+			_write_access = nullptr;
+		}
+
+		inline Write(const Write &p_other) {
+			_write_access = godot::api->godot_pool_real_array_write_access_copy(p_other._write_access);
+		}
+
+		inline ~Write() {
+			godot::api->godot_pool_real_array_write_access_destroy(_write_access);
+		}
+
+		inline real_t *ptr() const {
+			return godot::api->godot_pool_real_array_write_access_ptr(_write_access);
+		}
+
+		inline real_t &operator[](int p_idx) const {
+			return ptr()[p_idx];
+		}
+
+		inline void operator=(const Write &p_other) {
+			godot::api->godot_pool_real_array_write_access_operator_assign(_write_access, p_other._write_access);
+		}
+	};
+
+	PoolRealArray();
+	PoolRealArray(const PoolRealArray &p_other);
+	PoolRealArray &operator=(const PoolRealArray &p_other);
+
+	PoolRealArray(const Array &array);
+
+	Read read() const;
+
+	Write write();
+
+	void append(const real_t data);
+
+	void append_array(const PoolRealArray &array);
+
+	int insert(const int idx, const real_t data);
+
+	void invert();
+
+	void push_back(const real_t data);
+
+	void remove(const int idx);
+
+	void resize(const int size);
+
+	void set(const int idx, const real_t data);
+
+	real_t operator[](const int idx);
+
+	int size() const;
+
+	~PoolRealArray();
+};
+
+class PoolStringArray {
+	godot_pool_string_array _godot_array;
+
+	friend class String;
+	friend class Variant;
+	explicit inline PoolStringArray(godot_pool_string_array a) {
+		_godot_array = a;
+	}
+
+public:
+	class Read {
+		friend class PoolStringArray;
+		godot_pool_string_array_read_access *_read_access;
+
+	public:
+		inline Read() {
+			_read_access = nullptr;
+		}
+
+		inline Read(const Read &p_other) {
+			_read_access = godot::api->godot_pool_string_array_read_access_copy(p_other._read_access);
+		}
+
+		inline ~Read() {
+			godot::api->godot_pool_string_array_read_access_destroy(_read_access);
+		}
+
+		inline const String *ptr() const {
+			return (const String *)godot::api->godot_pool_string_array_read_access_ptr(_read_access);
+		}
+
+		inline const String &operator[](int p_idx) const {
+			return ptr()[p_idx];
+		}
+
+		inline void operator=(const Read &p_other) {
+			godot::api->godot_pool_string_array_read_access_operator_assign(_read_access, p_other._read_access);
+		}
+	};
+
+	class Write {
+		friend class PoolStringArray;
+		godot_pool_string_array_write_access *_write_access;
+
+	public:
+		inline Write() {
+			_write_access = nullptr;
+		}
+
+		inline Write(const Write &p_other) {
+			_write_access = godot::api->godot_pool_string_array_write_access_copy(p_other._write_access);
+		}
+
+		inline ~Write() {
+			godot::api->godot_pool_string_array_write_access_destroy(_write_access);
+		}
+
+		inline String *ptr() const {
+			return (String *)godot::api->godot_pool_string_array_write_access_ptr(_write_access);
+		}
+
+		inline String &operator[](int p_idx) const {
+			return ptr()[p_idx];
+		}
+
+		inline void operator=(const Write &p_other) {
+			godot::api->godot_pool_string_array_write_access_operator_assign(_write_access, p_other._write_access);
+		}
+	};
+
+	PoolStringArray();
+	PoolStringArray(const PoolStringArray &p_other);
+	PoolStringArray &operator=(const PoolStringArray &p_other);
+
+	PoolStringArray(const Array &array);
+
+	Read read() const;
+
+	Write write();
+
+	void append(const String &data);
+
+	void append_array(const PoolStringArray &array);
+
+	int insert(const int idx, const String &data);
+
+	void invert();
+
+	void push_back(const String &data);
+
+	void remove(const int idx);
+
+	void resize(const int size);
+
+	void set(const int idx, const String &data);
+
+	const String operator[](const int idx);
+
+	int size() const;
+
+	~PoolStringArray();
+};
+
+class PoolVector2Array {
+	godot_pool_vector2_array _godot_array;
+
+	friend class Variant;
+	explicit inline PoolVector2Array(godot_pool_vector2_array a) {
+		_godot_array = a;
+	}
+
+public:
+	class Read {
+		friend class PoolVector2Array;
+		godot_pool_vector2_array_read_access *_read_access;
+
+	public:
+		inline Read() {
+			_read_access = nullptr;
+		}
+
+		inline Read(const Read &p_other) {
+			_read_access = godot::api->godot_pool_vector2_array_read_access_copy(p_other._read_access);
+		}
+
+		inline ~Read() {
+			godot::api->godot_pool_vector2_array_read_access_destroy(_read_access);
+		}
+
+		inline const Vector2 *ptr() const {
+			return (const Vector2 *)godot::api->godot_pool_vector2_array_read_access_ptr(_read_access);
+		}
+
+		inline const Vector2 &operator[](int p_idx) const {
+			return ptr()[p_idx];
+		}
+
+		inline void operator=(const Read &p_other) {
+			godot::api->godot_pool_vector2_array_read_access_operator_assign(_read_access, p_other._read_access);
+		}
+	};
+
+	class Write {
+		friend class PoolVector2Array;
+		godot_pool_vector2_array_write_access *_write_access;
+
+	public:
+		inline Write() {
+			_write_access = nullptr;
+		}
+
+		inline Write(const Write &p_other) {
+			_write_access = godot::api->godot_pool_vector2_array_write_access_copy(p_other._write_access);
+		}
+
+		inline ~Write() {
+			godot::api->godot_pool_vector2_array_write_access_destroy(_write_access);
+		}
+
+		inline Vector2 *ptr() const {
+			return (Vector2 *)godot::api->godot_pool_vector2_array_write_access_ptr(_write_access);
+		}
+
+		inline Vector2 &operator[](int p_idx) const {
+			return ptr()[p_idx];
+		}
+
+		inline void operator=(const Write &p_other) {
+			godot::api->godot_pool_vector2_array_write_access_operator_assign(_write_access, p_other._write_access);
+		}
+	};
+
+	PoolVector2Array();
+	PoolVector2Array(const PoolVector2Array &p_other);
+	PoolVector2Array &operator=(const PoolVector2Array &p_other);
+
+	PoolVector2Array(const Array &array);
+
+	Read read() const;
+
+	Write write();
+
+	void append(const Vector2 &data);
+
+	void append_array(const PoolVector2Array &array);
+
+	int insert(const int idx, const Vector2 &data);
+
+	void invert();
+
+	void push_back(const Vector2 &data);
+
+	void remove(const int idx);
+
+	void resize(const int size);
+
+	void set(const int idx, const Vector2 &data);
+
+	const Vector2 operator[](const int idx);
+
+	int size() const;
+
+	~PoolVector2Array();
+};
+
+class PoolVector3Array {
+	godot_pool_vector3_array _godot_array;
+
+	friend class Variant;
+	explicit inline PoolVector3Array(godot_pool_vector3_array a) {
+		_godot_array = a;
+	}
+
+public:
+	class Read {
+		friend class PoolVector3Array;
+		godot_pool_vector3_array_read_access *_read_access;
+
+	public:
+		inline Read() {
+			_read_access = nullptr;
+		}
+
+		inline Read(const Read &p_other) {
+			_read_access = godot::api->godot_pool_vector3_array_read_access_copy(p_other._read_access);
+		}
+
+		inline ~Read() {
+			godot::api->godot_pool_vector3_array_read_access_destroy(_read_access);
+		}
+
+		inline const Vector3 *ptr() const {
+			return (const Vector3 *)godot::api->godot_pool_vector3_array_read_access_ptr(_read_access);
+		}
+
+		inline const Vector3 &operator[](int p_idx) const {
+			return ptr()[p_idx];
+		}
+
+		inline void operator=(const Read &p_other) {
+			godot::api->godot_pool_vector3_array_read_access_operator_assign(_read_access, p_other._read_access);
+		}
+	};
+
+	class Write {
+		friend class PoolVector3Array;
+		godot_pool_vector3_array_write_access *_write_access;
+
+	public:
+		inline Write() {
+			_write_access = nullptr;
+		}
+
+		inline Write(const Write &p_other) {
+			_write_access = godot::api->godot_pool_vector3_array_write_access_copy(p_other._write_access);
+		}
+
+		inline ~Write() {
+			godot::api->godot_pool_vector3_array_write_access_destroy(_write_access);
+		}
+
+		inline Vector3 *ptr() const {
+			return (Vector3 *)godot::api->godot_pool_vector3_array_write_access_ptr(_write_access);
+		}
+
+		inline Vector3 &operator[](int p_idx) const {
+			return ptr()[p_idx];
+		}
+
+		inline void operator=(const Write &p_other) {
+			godot::api->godot_pool_vector3_array_write_access_operator_assign(_write_access, p_other._write_access);
+		}
+	};
+
+	PoolVector3Array();
+	PoolVector3Array(const PoolVector3Array &p_other);
+	PoolVector3Array &operator=(const PoolVector3Array &p_other);
+
+	PoolVector3Array(const Array &array);
+
+	Read read() const;
+
+	Write write();
+
+	void append(const Vector3 &data);
+
+	void append_array(const PoolVector3Array &array);
+
+	int insert(const int idx, const Vector3 &data);
+
+	void invert();
+
+	void push_back(const Vector3 &data);
+
+	void remove(const int idx);
+
+	void resize(const int size);
+
+	void set(const int idx, const Vector3 &data);
+
+	const Vector3 operator[](const int idx);
+
+	int size() const;
+
+	~PoolVector3Array();
+};
+
+class PoolColorArray {
+	godot_pool_color_array _godot_array;
+
+	friend class Variant;
+	explicit inline PoolColorArray(godot_pool_color_array a) {
+		_godot_array = a;
+	}
+
+public:
+	class Read {
+		friend class PoolColorArray;
+		godot_pool_color_array_read_access *_read_access;
+
+	public:
+		inline Read() {
+			_read_access = nullptr;
+		}
+
+		inline Read(const Read &p_other) {
+			_read_access = godot::api->godot_pool_color_array_read_access_copy(p_other._read_access);
+		}
+
+		inline ~Read() {
+			godot::api->godot_pool_color_array_read_access_destroy(_read_access);
+		}
+
+		inline const Color *ptr() const {
+			return (const Color *)godot::api->godot_pool_color_array_read_access_ptr(_read_access);
+		}
+
+		inline const Color &operator[](int p_idx) const {
+			return ptr()[p_idx];
+		}
+
+		inline void operator=(const Read &p_other) {
+			godot::api->godot_pool_color_array_read_access_operator_assign(_read_access, p_other._read_access);
+		}
+	};
+
+	class Write {
+		friend class PoolColorArray;
+		godot_pool_color_array_write_access *_write_access;
+
+	public:
+		inline Write() {
+			_write_access = nullptr;
+		}
+
+		inline Write(const Write &p_other) {
+			_write_access = godot::api->godot_pool_color_array_write_access_copy(p_other._write_access);
+		}
+
+		inline ~Write() {
+			godot::api->godot_pool_color_array_write_access_destroy(_write_access);
+		}
+
+		inline Color *ptr() const {
+			return (Color *)godot::api->godot_pool_color_array_write_access_ptr(_write_access);
+		}
+
+		inline Color &operator[](int p_idx) const {
+			return ptr()[p_idx];
+		}
+
+		inline void operator=(const Write &p_other) {
+			godot::api->godot_pool_color_array_write_access_operator_assign(_write_access, p_other._write_access);
+		}
+	};
+
+	PoolColorArray();
+	PoolColorArray(const PoolColorArray &p_other);
+	PoolColorArray &operator=(const PoolColorArray &p_other);
+
+	PoolColorArray(const Array &array);
+
+	Read read() const;
+
+	Write write();
+
+	void append(const Color &data);
+
+	void append_array(const PoolColorArray &array);
+
+	int insert(const int idx, const Color &data);
+
+	void invert();
+
+	void push_back(const Color &data);
+
+	void remove(const int idx);
+
+	void resize(const int size);
+
+	void set(const int idx, const Color &data);
+
+	const Color operator[](const int idx);
+
+	int size() const;
+
+	~PoolColorArray();
+};
+
+} // namespace godot
+
+#endif // POOLARRAYS_H

include/core/Quat.hpp

@@ -0,0 +1,125 @@
+/*************************************************************************/
+/*  Quat.hpp                                                             */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                      https://godotengine.org                          */
+/*************************************************************************/
+/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur.                 */
+/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md).   */
+/*                                                                       */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the       */
+/* "Software"), to deal in the Software without restriction, including   */
+/* without limitation the rights to use, copy, modify, merge, publish,   */
+/* distribute, sublicense, and/or sell copies of the Software, and to    */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions:                                             */
+/*                                                                       */
+/* The above copyright notice and this permission notice shall be        */
+/* included in all copies or substantial portions of the Software.       */
+/*                                                                       */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
+/*************************************************************************/
+
+#ifndef QUAT_H
+#define QUAT_H
+
+#include <cmath>
+
+#include "Vector3.hpp"
+
+// #include "Basis.h"
+
+namespace godot {
+
+class Quat {
+public:
+	static const Quat IDENTITY;
+
+	real_t x, y, z, w;
+
+	real_t length_squared() const;
+	real_t length() const;
+
+	void normalize();
+
+	Quat normalized() const;
+
+	bool is_normalized() const;
+
+	Quat inverse() const;
+
+	void set_euler_xyz(const Vector3 &p_euler);
+	Vector3 get_euler_xyz() const;
+	void set_euler_yxz(const Vector3 &p_euler);
+	Vector3 get_euler_yxz() const;
+
+	inline void set_euler(const Vector3 &p_euler) { set_euler_yxz(p_euler); }
+	inline Vector3 get_euler() const { return get_euler_yxz(); }
+
+	real_t dot(const Quat &q) const;
+
+	Quat slerp(const Quat &q, const real_t &t) const;
+
+	Quat slerpni(const Quat &q, const real_t &t) const;
+
+	Quat cubic_slerp(const Quat &q, const Quat &prep, const Quat &postq, const real_t &t) const;
+
+	void get_axis_and_angle(Vector3 &r_axis, real_t &r_angle) const;
+
+	void set_axis_angle(const Vector3 &axis, const float angle);
+
+	void operator*=(const Quat &q);
+	Quat operator*(const Quat &q) const;
+
+	Quat operator*(const Vector3 &v) const;
+
+	Vector3 xform(const Vector3 &v) const;
+
+	void operator+=(const Quat &q);
+	void operator-=(const Quat &q);
+	void operator*=(const real_t &s);
+	void operator/=(const real_t &s);
+	Quat operator+(const Quat &q2) const;
+	Quat operator-(const Quat &q2) const;
+	Quat operator-() const;
+	Quat operator*(const real_t &s) const;
+	Quat operator/(const real_t &s) const;
+
+	bool operator==(const Quat &p_quat) const;
+	bool operator!=(const Quat &p_quat) const;
+
+	operator String() const;
+
+	inline void set(real_t p_x, real_t p_y, real_t p_z, real_t p_w) {
+		x = p_x;
+		y = p_y;
+		z = p_z;
+		w = p_w;
+	}
+	inline Quat(real_t p_x, real_t p_y, real_t p_z, real_t p_w) {
+		x = p_x;
+		y = p_y;
+		z = p_z;
+		w = p_w;
+	}
+	Quat(const Vector3 &axis, const real_t &angle);
+
+	Quat(const Vector3 &v0, const Vector3 &v1);
+
+	inline Quat() {
+		x = y = z = 0;
+		w = 1;
+	}
+};
+
+} // namespace godot
+
+#endif // QUAT_H

include/core/RID.hpp

@@ -0,0 +1,67 @@
+/*************************************************************************/
+/*  RID.hpp                                                              */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                      https://godotengine.org                          */
+/*************************************************************************/
+/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur.                 */
+/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md).   */
+/*                                                                       */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the       */
+/* "Software"), to deal in the Software without restriction, including   */
+/* without limitation the rights to use, copy, modify, merge, publish,   */
+/* distribute, sublicense, and/or sell copies of the Software, and to    */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions:                                             */
+/*                                                                       */
+/* The above copyright notice and this permission notice shall be        */
+/* included in all copies or substantial portions of the Software.       */
+/*                                                                       */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
+/*************************************************************************/
+
+#ifndef RID_H
+#define RID_H
+
+#include <gdnative/rid.h>
+
+namespace godot {
+
+class Object;
+
+class RID {
+	godot_rid _godot_rid;
+
+public:
+	RID();
+
+	RID(Object *p);
+
+	godot_rid _get_godot_rid() const;
+
+	int32_t get_id() const;
+
+	inline bool is_valid() const {
+		// is_valid() is not available in the C API...
+		return *this != RID();
+	}
+
+	bool operator==(const RID &p_other) const;
+	bool operator!=(const RID &p_other) const;
+	bool operator<(const RID &p_other) const;
+	bool operator>(const RID &p_other) const;
+	bool operator<=(const RID &p_other) const;
+	bool operator>=(const RID &p_other) const;
+};
+
+} // namespace godot
+
+#endif // RID_H

include/core/Rect2.hpp

@@ -0,0 +1,160 @@
+/*************************************************************************/
+/*  Rect2.hpp                                                            */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                      https://godotengine.org                          */
+/*************************************************************************/
+/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur.                 */
+/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md).   */
+/*                                                                       */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the       */
+/* "Software"), to deal in the Software without restriction, including   */
+/* without limitation the rights to use, copy, modify, merge, publish,   */
+/* distribute, sublicense, and/or sell copies of the Software, and to    */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions:                                             */
+/*                                                                       */
+/* The above copyright notice and this permission notice shall be        */
+/* included in all copies or substantial portions of the Software.       */
+/*                                                                       */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
+/*************************************************************************/
+
+#ifndef RECT2_H
+#define RECT2_H
+
+#include "Vector2.hpp"
+
+#include <cmath>
+
+#include <cstdlib>
+
+namespace godot {
+
+class String;
+
+typedef Vector2 Size2;
+typedef Vector2 Point2;
+
+struct Transform2D;
+
+struct Rect2 {
+	Point2 position;
+	Size2 size;
+
+	inline const Vector2 &get_position() const { return position; }
+	inline void set_position(const Vector2 &p_position) { position = p_position; }
+	inline const Vector2 &get_size() const { return size; }
+	inline void set_size(const Vector2 &p_size) { size = p_size; }
+
+	inline real_t get_area() const { return size.width * size.height; }
+
+	inline bool intersects(const Rect2 &p_rect) const {
+		if (position.x >= (p_rect.position.x + p_rect.size.width))
+			return false;
+		if ((position.x + size.width) <= p_rect.position.x)
+			return false;
+		if (position.y >= (p_rect.position.y + p_rect.size.height))
+			return false;
+		if ((position.y + size.height) <= p_rect.position.y)
+			return false;
+
+		return true;
+	}
+
+	real_t distance_to(const Vector2 &p_point) const;
+
+	bool intersects_transformed(const Transform2D &p_xform, const Rect2 &p_rect) const;
+
+	bool intersects_segment(const Point2 &p_from, const Point2 &p_to, Point2 *r_position = nullptr, Point2 *r_normal = nullptr) const;
+
+	inline bool encloses(const Rect2 &p_rect) const {
+		return (p_rect.position.x >= position.x) && (p_rect.position.y >= position.y) &&
+			   ((p_rect.position.x + p_rect.size.x) < (position.x + size.x)) &&
+			   ((p_rect.position.y + p_rect.size.y) < (position.y + size.y));
+	}
+
+	inline bool has_no_area() const {
+		return (size.x <= 0 || size.y <= 0);
+	}
+	Rect2 clip(const Rect2 &p_rect) const;
+
+	Rect2 merge(const Rect2 &p_rect) const;
+
+	inline bool has_point(const Point2 &p_point) const {
+		if (p_point.x < position.x)
+			return false;
+		if (p_point.y < position.y)
+			return false;
+
+		if (p_point.x >= (position.x + size.x))
+			return false;
+		if (p_point.y >= (position.y + size.y))
+			return false;
+
+		return true;
+	}
+
+	inline bool no_area() const { return (size.width <= 0 || size.height <= 0); }
+
+	inline bool operator==(const Rect2 &p_rect) const { return position == p_rect.position && size == p_rect.size; }
+	inline bool operator!=(const Rect2 &p_rect) const { return position != p_rect.position || size != p_rect.size; }
+
+	inline Rect2 grow(real_t p_by) const {
+		Rect2 g = *this;
+		g.position.x -= p_by;
+		g.position.y -= p_by;
+		g.size.width += p_by * 2;
+		g.size.height += p_by * 2;
+		return g;
+	}
+
+	inline Rect2 expand(const Vector2 &p_vector) const {
+		Rect2 r = *this;
+		r.expand_to(p_vector);
+		return r;
+	}
+
+	inline void expand_to(const Vector2 &p_vector) { //in place function for speed
+
+		Vector2 begin = position;
+		Vector2 end = position + size;
+
+		if (p_vector.x < begin.x)
+			begin.x = p_vector.x;
+		if (p_vector.y < begin.y)
+			begin.y = p_vector.y;
+
+		if (p_vector.x > end.x)
+			end.x = p_vector.x;
+		if (p_vector.y > end.y)
+			end.y = p_vector.y;
+
+		position = begin;
+		size = end - begin;
+	}
+
+	operator String() const;
+
+	inline Rect2() {}
+	inline Rect2(real_t p_x, real_t p_y, real_t p_width, real_t p_height) {
+		position = Point2(p_x, p_y);
+		size = Size2(p_width, p_height);
+	}
+	inline Rect2(const Point2 &p_position, const Size2 &p_size) {
+		position = p_position;
+		size = p_size;
+	}
+};
+
+} // namespace godot
+
+#endif // RECT2_H

include/core/Ref.hpp

@@ -0,0 +1,216 @@
+/*************************************************************************/
+/*  Ref.hpp                                                              */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                      https://godotengine.org                          */
+/*************************************************************************/
+/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur.                 */
+/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md).   */
+/*                                                                       */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the       */
+/* "Software"), to deal in the Software without restriction, including   */
+/* without limitation the rights to use, copy, modify, merge, publish,   */
+/* distribute, sublicense, and/or sell copies of the Software, and to    */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions:                                             */
+/*                                                                       */
+/* The above copyright notice and this permission notice shall be        */
+/* included in all copies or substantial portions of the Software.       */
+/*                                                                       */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
+/*************************************************************************/
+
+#ifndef REF_H
+#define REF_H
+
+#include "GodotGlobal.hpp"
+#include "Reference.hpp"
+#include "Variant.hpp"
+
+namespace godot {
+
+// Replicates Godot's Ref<T> behavior
+// Rewritten from f5234e70be7dec4930c2d5a0e829ff480d044b1d.
+template <class T>
+class Ref {
+	// TODO For this nice check to work, each class must actually #include Reference classes mentionned in its methods,
+	// which might be annoying for coders who prefer to forward-declare to reduce compile times
+	// static_assert(std::is_base_of<Reference, T>::value,
+	// 		"Ref<T> can only be used with classes deriving from Reference");
+
+	T *reference = nullptr;
+
+	void ref(const Ref &p_from) {
+		if (p_from.reference == reference)
+			return;
+
+		unref();
+
+		reference = p_from.reference;
+		if (reference)
+			reference->reference();
+	}
+
+	void ref_pointer(T *p_ref) {
+		ERR_FAIL_COND(p_ref == nullptr);
+
+		if (p_ref->init_ref())
+			reference = p_ref;
+	}
+
+public:
+	inline bool operator<(const Ref<T> &p_r) const {
+		return reference < p_r.reference;
+	}
+	inline bool operator==(const Ref<T> &p_r) const {
+		return reference == p_r.reference;
+	}
+	inline bool operator!=(const Ref<T> &p_r) const {
+		return reference != p_r.reference;
+	}
+
+	inline T *operator->() {
+		return reference;
+	}
+
+	inline T *operator*() {
+		return reference;
+	}
+
+	inline const T *operator->() const {
+		return reference;
+	}
+
+	inline const T *ptr() const {
+		return reference;
+	}
+	inline T *ptr() {
+		return reference;
+	}
+
+	inline const T *operator*() const {
+		return reference;
+	}
+
+	operator Variant() const {
+		// Note: the C API handles the cases where the object is a Reference,
+		// so the Variant will be correctly constructed with a RefPtr engine-side
+		return Variant((Object *)reference);
+	}
+
+	void operator=(const Ref &p_from) {
+		ref(p_from);
+	}
+
+	template <class T_Other>
+	void operator=(const Ref<T_Other> &p_from) {
+		Reference *refb = const_cast<Reference *>(static_cast<const Reference *>(p_from.ptr()));
+		if (refb == nullptr) {
+			unref();
+			return;
+		}
+		Ref r;
+		r.reference = Object::cast_to<T>(refb);
+		ref(r);
+		r.reference = nullptr;
+	}
+
+	void operator=(const Variant &p_variant) {
+		Object *refb = T::___get_from_variant(p_variant);
+		if (refb == nullptr) {
+			unref();
+			return;
+		}
+		Ref r;
+		r.reference = Object::cast_to<T>(refb);
+		ref(r);
+		r.reference = nullptr;
+	}
+
+	Ref(const Ref &p_from) {
+		reference = nullptr;
+		ref(p_from);
+	}
+
+	template <class T_Other>
+	Ref(const Ref<T_Other> &p_from) {
+		reference = nullptr;
+		Reference *refb = const_cast<Reference *>(static_cast<const Reference *>(p_from.ptr()));
+		if (refb == nullptr) {
+			unref();
+			return;
+		}
+		Ref r;
+		r.reference = Object::cast_to<T>(refb);
+		ref(r);
+		r.reference = nullptr;
+	}
+
+	Ref(T *p_reference) {
+		if (p_reference)
+			ref_pointer(p_reference);
+		else
+			reference = nullptr;
+	}
+
+	Ref(const Variant &p_variant) {
+		reference = nullptr;
+		Object *refb = T::___get_from_variant(p_variant);
+		if (refb == nullptr) {
+			unref();
+			return;
+		}
+		Ref r;
+		r.reference = Object::cast_to<T>(refb);
+		ref(r);
+		r.reference = nullptr;
+	}
+
+	inline bool is_valid() const { return reference != nullptr; }
+	inline bool is_null() const { return reference == nullptr; }
+
+	void unref() {
+		//TODO this should be moved to mutexes, since this engine does not really
+		// do a lot of referencing on references and stuff
+		// mutexes will avoid more crashes?
+
+		if (reference && reference->unreference()) {
+			//memdelete(reference);
+			reference->free();
+		}
+		reference = nullptr;
+	}
+
+	void instance() {
+		//ref(memnew(T));
+		ref(T::_new());
+	}
+
+	Ref() {
+		reference = nullptr;
+	}
+
+	~Ref() {
+		unref();
+	}
+
+	// Used exclusively in the bindings to recreate the Ref Godot encapsulates in return values,
+	// without adding to the refcount.
+	inline static Ref<T> __internal_constructor(Object *obj) {
+		Ref<T> r;
+		r.reference = (T *)obj;
+		return r;
+	}
+};
+
+} // namespace godot
+
+#endif

include/core/String.hpp

@@ -0,0 +1,184 @@
+/*************************************************************************/
+/*  String.hpp                                                           */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                      https://godotengine.org                          */
+/*************************************************************************/
+/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur.                 */
+/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md).   */
+/*                                                                       */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the       */
+/* "Software"), to deal in the Software without restriction, including   */
+/* without limitation the rights to use, copy, modify, merge, publish,   */
+/* distribute, sublicense, and/or sell copies of the Software, and to    */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions:                                             */
+/*                                                                       */
+/* The above copyright notice and this permission notice shall be        */
+/* included in all copies or substantial portions of the Software.       */
+/*                                                                       */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
+/*************************************************************************/
+
+#ifndef STRING_H
+#define STRING_H
+
+#include <gdnative/string.h>
+
+namespace godot {
+
+class NodePath;
+class Variant;
+class PoolByteArray;
+class PoolIntArray;
+class PoolRealArray;
+class PoolStringArray;
+class String;
+
+class CharString {
+	friend class String;
+
+	godot_char_string _char_string;
+
+public:
+	~CharString();
+
+	int length() const;
+	const char *get_data() const;
+};
+
+class String {
+	godot_string _godot_string;
+
+	friend class Dictionary;
+	friend class NodePath;
+	friend class Variant;
+	explicit inline String(godot_string contents) :
+			_godot_string(contents) {}
+
+public:
+	String();
+	String(const char *contents);
+	String(const wchar_t *contents);
+	String(const wchar_t c);
+	String(const String &other);
+	String(String &&other);
+
+	~String();
+
+	static String num(double p_num, int p_decimals = -1);
+	static String num_scientific(double p_num);
+	static String num_real(double p_num);
+	static String num_int64(int64_t p_num, int base = 10, bool capitalize_hex = false);
+	static String chr(godot_char_type p_char);
+	static String md5(const uint8_t *p_md5);
+	static String hex_encode_buffer(const uint8_t *p_buffer, int p_len);
+
+	wchar_t &operator[](const int idx);
+	wchar_t operator[](const int idx) const;
+
+	void operator=(const String &s);
+	void operator=(String &&s);
+	bool operator==(const String &s) const;
+	bool operator!=(const String &s) const;
+	String operator+(const String &s) const;
+	void operator+=(const String &s);
+	void operator+=(const wchar_t c);
+	bool operator<(const String &s) const;
+	bool operator<=(const String &s) const;
+	bool operator>(const String &s) const;
+	bool operator>=(const String &s) const;
+
+	operator NodePath() const;
+
+	int length() const;
+	const wchar_t *unicode_str() const;
+	char *alloc_c_string() const;
+	CharString utf8() const;
+	CharString ascii(bool p_extended = false) const;
+
+	bool begins_with(const String &s) const;
+	bool begins_with_char_array(const char *p_char_array) const;
+	PoolStringArray bigrams() const;
+	String c_escape() const;
+	String c_unescape() const;
+	String capitalize() const;
+	bool empty() const;
+	bool ends_with(const String &text) const;
+	void erase(int position, int chars);
+	int find(String what, int from = 0) const;
+	int find_last(String what) const;
+	int findn(String what, int from = 0) const;
+	String format(Variant values) const;
+	String format(Variant values, String placeholder) const;
+	String get_base_dir() const;
+	String get_basename() const;
+	String get_extension() const;
+	String get_file() const;
+	int hash() const;
+	int hex_to_int() const;
+	String insert(int position, String what) const;
+	bool is_abs_path() const;
+	bool is_rel_path() const;
+	bool is_subsequence_of(String text) const;
+	bool is_subsequence_ofi(String text) const;
+	bool is_valid_float() const;
+	bool is_valid_html_color() const;
+	bool is_valid_identifier() const;
+	bool is_valid_integer() const;
+	bool is_valid_ip_address() const;
+	String json_escape() const;
+	String left(int position) const;
+	bool match(String expr) const;
+	bool matchn(String expr) const;
+	PoolByteArray md5_buffer() const;
+	String md5_text() const;
+	int ord_at(int at) const;
+	String pad_decimals(int digits) const;
+	String pad_zeros(int digits) const;
+	String percent_decode() const;
+	String percent_encode() const;
+	String plus_file(String file) const;
+	String replace(String what, String forwhat) const;
+	String replacen(String what, String forwhat) const;
+	int rfind(String what, int from = -1) const;
+	int rfindn(String what, int from = -1) const;
+	String right(int position) const;
+	PoolByteArray sha256_buffer() const;
+	String sha256_text() const;
+	float similarity(String text) const;
+	PoolStringArray split(String divisor, bool allow_empty = true) const;
+	PoolIntArray split_ints(String divisor, bool allow_empty = true) const;
+	PoolRealArray split_floats(String divisor, bool allow_empty = true) const;
+	String strip_edges(bool left = true, bool right = true) const;
+	String substr(int from, int len) const;
+	float to_float() const;
+	int64_t to_int() const;
+	String to_lower() const;
+	String to_upper() const;
+	String xml_escape() const;
+	String xml_unescape() const;
+	signed char casecmp_to(String p_str) const;
+	signed char nocasecmp_to(String p_str) const;
+	signed char naturalnocasecmp_to(String p_str) const;
+	String dedent() const;
+	PoolStringArray rsplit(const String &divisor, const bool allow_empty = true, const int maxsplit = 0) const;
+	String rstrip(const String &chars) const;
+	String trim_prefix(const String &prefix) const;
+	String trim_suffix(const String &suffix) const;
+};
+
+String operator+(const char *a, const String &b);
+String operator+(const wchar_t *a, const String &b);
+
+} // namespace godot
+
+#endif // STRING_H

include/core/TagDB.hpp

@@ -0,0 +1,49 @@
+/*************************************************************************/
+/*  TagDB.hpp                                                            */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                      https://godotengine.org                          */
+/*************************************************************************/
+/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur.                 */
+/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md).   */
+/*                                                                       */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the       */
+/* "Software"), to deal in the Software without restriction, including   */
+/* without limitation the rights to use, copy, modify, merge, publish,   */
+/* distribute, sublicense, and/or sell copies of the Software, and to    */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions:                                             */
+/*                                                                       */
+/* The above copyright notice and this permission notice shall be        */
+/* included in all copies or substantial portions of the Software.       */
+/*                                                                       */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
+/*************************************************************************/
+
+#ifndef TAGDB_HPP
+#define TAGDB_HPP
+
+#include <stddef.h>
+
+namespace godot {
+
+namespace _TagDB {
+
+void register_type(size_t type_tag, size_t base_type_tag);
+bool is_type_known(size_t type_tag);
+void register_global_type(const char *name, size_t type_tag, size_t base_type_tag);
+bool is_type_compatible(size_t type_tag, size_t base_type_tag);
+
+} // namespace _TagDB
+
+} // namespace godot
+
+#endif // TAGDB_HPP

include/core/Transform.hpp

@@ -0,0 +1,121 @@
+/*************************************************************************/
+/*  Transform.hpp                                                        */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                      https://godotengine.org                          */
+/*************************************************************************/
+/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur.                 */
+/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md).   */
+/*                                                                       */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the       */
+/* "Software"), to deal in the Software without restriction, including   */
+/* without limitation the rights to use, copy, modify, merge, publish,   */
+/* distribute, sublicense, and/or sell copies of the Software, and to    */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions:                                             */
+/*                                                                       */
+/* The above copyright notice and this permission notice shall be        */
+/* included in all copies or substantial portions of the Software.       */
+/*                                                                       */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
+/*************************************************************************/
+
+#ifndef TRANSFORM_H
+#define TRANSFORM_H
+
+#include "Basis.hpp"
+
+#include "AABB.hpp"
+#include "Plane.hpp"
+
+namespace godot {
+
+class Transform {
+public:
+	static const Transform IDENTITY;
+	static const Transform FLIP_X;
+	static const Transform FLIP_Y;
+	static const Transform FLIP_Z;
+
+	Basis basis;
+	Vector3 origin;
+
+	void invert();
+	Transform inverse() const;
+
+	void affine_invert();
+	Transform affine_inverse() const;
+
+	Transform rotated(const Vector3 &p_axis, real_t p_phi) const;
+
+	void rotate(const Vector3 &p_axis, real_t p_phi);
+	void rotate_basis(const Vector3 &p_axis, real_t p_phi);
+
+	void set_look_at(const Vector3 &p_eye, const Vector3 &p_target, const Vector3 &p_up);
+	Transform looking_at(const Vector3 &p_target, const Vector3 &p_up) const;
+
+	void scale(const Vector3 &p_scale);
+	Transform scaled(const Vector3 &p_scale) const;
+	void scale_basis(const Vector3 &p_scale);
+	void translate(real_t p_tx, real_t p_ty, real_t p_tz);
+	void translate(const Vector3 &p_translation);
+	Transform translated(const Vector3 &p_translation) const;
+
+	inline const Basis &get_basis() const { return basis; }
+	inline void set_basis(const Basis &p_basis) { basis = p_basis; }
+
+	inline const Vector3 &get_origin() const { return origin; }
+	inline void set_origin(const Vector3 &p_origin) { origin = p_origin; }
+
+	void orthonormalize();
+	Transform orthonormalized() const;
+
+	bool operator==(const Transform &p_transform) const;
+	bool operator!=(const Transform &p_transform) const;
+
+	Vector3 xform(const Vector3 &p_vector) const;
+	Vector3 xform_inv(const Vector3 &p_vector) const;
+
+	Plane xform(const Plane &p_plane) const;
+	Plane xform_inv(const Plane &p_plane) const;
+
+	AABB xform(const AABB &p_aabb) const;
+	AABB xform_inv(const AABB &p_aabb) const;
+
+	void operator*=(const Transform &p_transform);
+	Transform operator*(const Transform &p_transform) const;
+
+	inline Vector3 operator*(const Vector3 &p_vector) const {
+		return Vector3(
+				basis.elements[0].dot(p_vector) + origin.x,
+				basis.elements[1].dot(p_vector) + origin.y,
+				basis.elements[2].dot(p_vector) + origin.z);
+	}
+
+	Transform interpolate_with(const Transform &p_transform, real_t p_c) const;
+
+	Transform inverse_xform(const Transform &t) const;
+
+	void set(real_t xx, real_t xy, real_t xz, real_t yx, real_t yy, real_t yz, real_t zx, real_t zy, real_t zz, real_t tx, real_t ty, real_t tz);
+
+	operator String() const;
+
+	inline Transform(real_t xx, real_t xy, real_t xz, real_t yx, real_t yy, real_t yz, real_t zx, real_t zy, real_t zz, real_t tx, real_t ty, real_t tz) {
+		set(xx, xy, xz, yx, yy, yz, zx, zy, zz, tx, ty, tz);
+	}
+
+	Transform(const Basis &p_basis, const Vector3 &p_origin = Vector3());
+	inline Transform() {}
+};
+
+} // namespace godot
+
+#endif // TRANSFORM_H

include/core/Transform2D.hpp

@@ -0,0 +1,136 @@
+/*************************************************************************/
+/*  Transform2D.hpp                                                      */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                      https://godotengine.org                          */
+/*************************************************************************/
+/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur.                 */
+/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md).   */
+/*                                                                       */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the       */
+/* "Software"), to deal in the Software without restriction, including   */
+/* without limitation the rights to use, copy, modify, merge, publish,   */
+/* distribute, sublicense, and/or sell copies of the Software, and to    */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions:                                             */
+/*                                                                       */
+/* The above copyright notice and this permission notice shall be        */
+/* included in all copies or substantial portions of the Software.       */
+/*                                                                       */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
+/*************************************************************************/
+
+#ifndef TRANSFORM2D_H
+#define TRANSFORM2D_H
+
+#include "Vector2.hpp"
+
+namespace godot {
+
+typedef Vector2 Size2;
+
+struct Rect2;
+
+struct Transform2D {
+	static const Transform2D IDENTITY;
+	static const Transform2D FLIP_X;
+	static const Transform2D FLIP_Y;
+
+	// Warning #1: basis of Transform2D is stored differently from Basis. In terms of elements array, the basis matrix looks like "on paper":
+	// M = (elements[0][0] elements[1][0])
+	//     (elements[0][1] elements[1][1])
+	// This is such that the columns, which can be interpreted as basis vectors of the coordinate system "painted" on the object, can be accessed as elements[i].
+	// Note that this is the opposite of the indices in mathematical texts, meaning: $M_{12}$ in a math book corresponds to elements[1][0] here.
+	// This requires additional care when working with explicit indices.
+	// See https://en.wikipedia.org/wiki/Row-_and_column-major_order for further reading.
+
+	// Warning #2: 2D be aware that unlike 3D code, 2D code uses a left-handed coordinate system: Y-axis points down,
+	// and angle is measure from +X to +Y in a clockwise-fashion.
+
+	Vector2 elements[3];
+
+	inline real_t tdotx(const Vector2 &v) const { return elements[0][0] * v.x + elements[1][0] * v.y; }
+	inline real_t tdoty(const Vector2 &v) const { return elements[0][1] * v.x + elements[1][1] * v.y; }
+
+	inline const Vector2 &operator[](int p_idx) const { return elements[p_idx]; }
+	inline Vector2 &operator[](int p_idx) { return elements[p_idx]; }
+
+	inline Vector2 get_axis(int p_axis) const {
+		ERR_FAIL_INDEX_V(p_axis, 3, Vector2());
+		return elements[p_axis];
+	}
+	inline void set_axis(int p_axis, const Vector2 &p_vec) {
+		ERR_FAIL_INDEX(p_axis, 3);
+		elements[p_axis] = p_vec;
+	}
+
+	void invert();
+	Transform2D inverse() const;
+
+	void affine_invert();
+	Transform2D affine_inverse() const;
+
+	void set_rotation(real_t p_phi);
+	real_t get_rotation() const;
+	void set_rotation_and_scale(real_t p_phi, const Size2 &p_scale);
+	void rotate(real_t p_phi);
+
+	void scale(const Size2 &p_scale);
+	void scale_basis(const Size2 &p_scale);
+	void translate(real_t p_tx, real_t p_ty);
+	void translate(const Vector2 &p_translation);
+
+	real_t basis_determinant() const;
+
+	Size2 get_scale() const;
+
+	inline const Vector2 &get_origin() const { return elements[2]; }
+	inline void set_origin(const Vector2 &p_origin) { elements[2] = p_origin; }
+
+	Transform2D scaled(const Size2 &p_scale) const;
+	Transform2D basis_scaled(const Size2 &p_scale) const;
+	Transform2D translated(const Vector2 &p_offset) const;
+	Transform2D rotated(real_t p_phi) const;
+
+	Transform2D untranslated() const;
+
+	void orthonormalize();
+	Transform2D orthonormalized() const;
+
+	bool operator==(const Transform2D &p_transform) const;
+	bool operator!=(const Transform2D &p_transform) const;
+
+	void operator*=(const Transform2D &p_transform);
+	Transform2D operator*(const Transform2D &p_transform) const;
+
+	Transform2D interpolate_with(const Transform2D &p_transform, real_t p_c) const;
+
+	Vector2 basis_xform(const Vector2 &p_vec) const;
+	Vector2 basis_xform_inv(const Vector2 &p_vec) const;
+	Vector2 xform(const Vector2 &p_vec) const;
+	Vector2 xform_inv(const Vector2 &p_vec) const;
+	Rect2 xform(const Rect2 &p_vec) const;
+	Rect2 xform_inv(const Rect2 &p_vec) const;
+
+	operator String() const;
+
+	Transform2D(real_t xx, real_t xy, real_t yx, real_t yy, real_t ox, real_t oy);
+
+	Transform2D(real_t p_rot, const Vector2 &p_pos);
+	inline Transform2D() {
+		elements[0][0] = 1.0;
+		elements[1][1] = 1.0;
+	}
+};
+
+} // namespace godot
+
+#endif // TRANSFORM2D_H

include/core/Variant.hpp

@@ -0,0 +1,304 @@
+/*************************************************************************/
+/*  Variant.hpp                                                          */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                      https://godotengine.org                          */
+/*************************************************************************/
+/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur.                 */
+/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md).   */
+/*                                                                       */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the       */
+/* "Software"), to deal in the Software without restriction, including   */
+/* without limitation the rights to use, copy, modify, merge, publish,   */
+/* distribute, sublicense, and/or sell copies of the Software, and to    */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions:                                             */
+/*                                                                       */
+/* The above copyright notice and this permission notice shall be        */
+/* included in all copies or substantial portions of the Software.       */
+/*                                                                       */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
+/*************************************************************************/
+
+#ifndef VARIANT_H
+#define VARIANT_H
+
+#include <gdnative/variant.h>
+
+#include "Defs.hpp"
+
+#include "AABB.hpp"
+#include "Basis.hpp"
+#include "Color.hpp"
+#include "NodePath.hpp"
+#include "Plane.hpp"
+#include "PoolArrays.hpp"
+#include "Quat.hpp"
+#include "RID.hpp"
+#include "Rect2.hpp"
+#include "String.hpp"
+#include "Transform.hpp"
+#include "Transform2D.hpp"
+#include "Vector2.hpp"
+#include "Vector3.hpp"
+
+namespace godot {
+
+class Dictionary;
+
+class Array;
+
+class Variant {
+	godot_variant _godot_variant;
+
+	friend class Array;
+	inline explicit Variant(godot_variant v) {
+		_godot_variant = v;
+	}
+
+public:
+	enum Type {
+
+		NIL,
+
+		// atomic types
+		BOOL,
+		INT,
+		REAL,
+		STRING,
+
+		// math types
+
+		VECTOR2, // 5
+		RECT2,
+		VECTOR3,
+		TRANSFORM2D,
+		PLANE,
+		QUAT, // 10
+		RECT3, //sorry naming convention fail :( not like it's used often
+		BASIS,
+		TRANSFORM,
+
+		// misc types
+		COLOR,
+		NODE_PATH, // 15
+		_RID,
+		OBJECT,
+		DICTIONARY,
+		ARRAY,
+
+		// arrays
+		POOL_BYTE_ARRAY, // 20
+		POOL_INT_ARRAY,
+		POOL_REAL_ARRAY,
+		POOL_STRING_ARRAY,
+		POOL_VECTOR2_ARRAY,
+		POOL_VECTOR3_ARRAY, // 25
+		POOL_COLOR_ARRAY,
+
+		VARIANT_MAX
+
+	};
+
+	enum Operator {
+
+		//comparation
+		OP_EQUAL,
+		OP_NOT_EQUAL,
+		OP_LESS,
+		OP_LESS_EQUAL,
+		OP_GREATER,
+		OP_GREATER_EQUAL,
+
+		//mathematic
+		OP_ADD,
+		OP_SUBSTRACT,
+		OP_MULTIPLY,
+		OP_DIVIDE,
+		OP_NEGATE,
+		OP_POSITIVE,
+		OP_MODULE,
+		OP_STRING_CONCAT,
+
+		//bitwise
+		OP_SHIFT_LEFT,
+		OP_SHIFT_RIGHT,
+		OP_BIT_AND,
+		OP_BIT_OR,
+		OP_BIT_XOR,
+		OP_BIT_NEGATE,
+
+		//logic
+		OP_AND,
+		OP_OR,
+		OP_XOR,
+		OP_NOT,
+
+		//containment
+		OP_IN,
+		OP_MAX
+
+	};
+
+	Variant();
+
+	Variant(const Variant &v);
+
+	Variant(bool p_bool);
+
+	Variant(signed int p_int);
+
+	Variant(unsigned int p_int);
+
+	Variant(signed short p_short);
+
+	inline Variant(unsigned short p_short) :
+			Variant((unsigned int)p_short) {}
+
+	inline Variant(signed char p_char) :
+			Variant((signed int)p_char) {}
+
+	inline Variant(unsigned char p_char) :
+			Variant((unsigned int)p_char) {}
+	Variant(int64_t p_char);
+
+	Variant(uint64_t p_char);
+
+	Variant(float p_float);
+
+	Variant(double p_double);
+
+	Variant(const String &p_string);
+
+	Variant(const char *const p_cstring);
+
+	Variant(const wchar_t *p_wstring);
+
+	Variant(const Vector2 &p_vector2);
+
+	Variant(const Rect2 &p_rect2);
+
+	Variant(const Vector3 &p_vector3);
+
+	Variant(const Plane &p_plane);
+
+	Variant(const AABB &p_aabb);
+
+	Variant(const Quat &p_quat);
+
+	Variant(const Basis &p_transform);
+
+	Variant(const Transform2D &p_transform);
+
+	Variant(const Transform &p_transform);
+
+	Variant(const Color &p_color);
+
+	Variant(const NodePath &p_path);
+
+	Variant(const RID &p_rid);
+
+	Variant(const Object *p_object);
+
+	Variant(const Dictionary &p_dictionary);
+
+	Variant(const Array &p_array);
+
+	Variant(const PoolByteArray &p_raw_array);
+
+	Variant(const PoolIntArray &p_int_array);
+
+	Variant(const PoolRealArray &p_real_array);
+
+	Variant(const PoolStringArray &p_string_array);
+
+	Variant(const PoolVector2Array &p_vector2_array);
+
+	Variant(const PoolVector3Array &p_vector3_array);
+
+	Variant(const PoolColorArray &p_color_array);
+
+	Variant &operator=(const Variant &v);
+
+	operator bool() const;
+	operator signed int() const;
+	operator unsigned int() const;
+	operator signed short() const;
+	operator unsigned short() const;
+	operator signed char() const;
+	operator unsigned char() const;
+	operator int64_t() const;
+	operator uint64_t() const;
+
+	operator wchar_t() const;
+
+	operator float() const;
+
+	operator double() const;
+	operator String() const;
+	operator Vector2() const;
+	operator Rect2() const;
+	operator Vector3() const;
+	operator Plane() const;
+	operator AABB() const;
+	operator Quat() const;
+	operator Basis() const;
+	operator Transform() const;
+	operator Transform2D() const;
+
+	operator Color() const;
+
+	operator NodePath() const;
+	operator RID() const;
+	operator godot_object *() const;
+
+	template <typename T>
+	operator T *() const { return static_cast<T *>(T::___get_from_variant(*this)); }
+
+	operator Dictionary() const;
+	operator Array() const;
+
+	operator PoolByteArray() const;
+	operator PoolIntArray() const;
+	operator PoolRealArray() const;
+	operator PoolStringArray() const;
+	operator PoolVector2Array() const;
+	operator PoolVector3Array() const;
+	operator PoolColorArray() const;
+
+	Type get_type() const;
+
+	Variant call(const String &method, const Variant **args, const int arg_count);
+
+	bool has_method(const String &method);
+
+	bool operator==(const Variant &b) const;
+
+	bool operator!=(const Variant &b) const;
+
+	bool operator<(const Variant &b) const;
+
+	bool operator<=(const Variant &b) const;
+
+	bool operator>(const Variant &b) const;
+
+	bool operator>=(const Variant &b) const;
+
+	bool hash_compare(const Variant &b) const;
+
+	bool booleanize() const;
+
+	~Variant();
+};
+
+} // namespace godot
+
+#endif // VARIANT_H

include/core/Vector2.hpp

@@ -0,0 +1,306 @@
+/*************************************************************************/
+/*  Vector2.hpp                                                          */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                      https://godotengine.org                          */
+/*************************************************************************/
+/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur.                 */
+/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md).   */
+/*                                                                       */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the       */
+/* "Software"), to deal in the Software without restriction, including   */
+/* without limitation the rights to use, copy, modify, merge, publish,   */
+/* distribute, sublicense, and/or sell copies of the Software, and to    */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions:                                             */
+/*                                                                       */
+/* The above copyright notice and this permission notice shall be        */
+/* included in all copies or substantial portions of the Software.       */
+/*                                                                       */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
+/*************************************************************************/
+
+#ifndef VECTOR2_H
+#define VECTOR2_H
+
+#include <gdnative/vector2.h>
+
+#include "Defs.hpp"
+
+#include <Math.hpp>
+
+namespace godot {
+
+class String;
+
+struct Vector2 {
+	enum Axis {
+		AXIS_X = 0,
+		AXIS_Y,
+		AXIS_COUNT
+	};
+
+	static const Vector2 ZERO;
+	static const Vector2 ONE;
+	static const Vector2 INF;
+
+	// Coordinate system of the 2D engine
+	static const Vector2 LEFT;
+	static const Vector2 RIGHT;
+	static const Vector2 UP;
+	static const Vector2 DOWN;
+
+	union {
+		real_t x;
+		real_t width;
+	};
+	union {
+		real_t y;
+		real_t height;
+	};
+
+	inline Vector2(real_t p_x, real_t p_y) {
+		x = p_x;
+		y = p_y;
+	}
+
+	inline Vector2() {
+		x = 0;
+		y = 0;
+	}
+
+	inline real_t &operator[](int p_idx) {
+		return p_idx ? y : x;
+	}
+
+	inline const real_t &operator[](int p_idx) const {
+		return p_idx ? y : x;
+	}
+
+	inline Vector2 operator+(const Vector2 &p_v) const {
+		return Vector2(x + p_v.x, y + p_v.y);
+	}
+
+	inline void operator+=(const Vector2 &p_v) {
+		x += p_v.x;
+		y += p_v.y;
+	}
+
+	inline Vector2 operator-(const Vector2 &p_v) const {
+		return Vector2(x - p_v.x, y - p_v.y);
+	}
+
+	inline void operator-=(const Vector2 &p_v) {
+		x -= p_v.x;
+		y -= p_v.y;
+	}
+
+	inline Vector2 operator*(const Vector2 &p_v1) const {
+		return Vector2(x * p_v1.x, y * p_v1.y);
+	}
+
+	inline Vector2 operator*(const real_t &rvalue) const {
+		return Vector2(x * rvalue, y * rvalue);
+	}
+
+	inline void operator*=(const real_t &rvalue) {
+		x *= rvalue;
+		y *= rvalue;
+	}
+
+	inline void operator*=(const Vector2 &rvalue) {
+		*this = *this * rvalue;
+	}
+
+	inline Vector2 operator/(const Vector2 &p_v1) const {
+		return Vector2(x / p_v1.x, y / p_v1.y);
+	}
+
+	inline Vector2 operator/(const real_t &rvalue) const {
+		return Vector2(x / rvalue, y / rvalue);
+	}
+
+	inline void operator/=(const real_t &rvalue) {
+		x /= rvalue;
+		y /= rvalue;
+	}
+
+	inline Vector2 operator-() const {
+		return Vector2(-x, -y);
+	}
+
+	bool operator==(const Vector2 &p_vec2) const;
+
+	bool operator!=(const Vector2 &p_vec2) const;
+
+	inline bool operator<(const Vector2 &p_vec2) const { return (x == p_vec2.x) ? (y < p_vec2.y) : (x < p_vec2.x); }
+	inline bool operator<=(const Vector2 &p_vec2) const { return (x == p_vec2.x) ? (y <= p_vec2.y) : (x <= p_vec2.x); }
+
+	inline void normalize() {
+		real_t l = x * x + y * y;
+		if (l != 0) {
+			l = sqrt(l);
+			x /= l;
+			y /= l;
+		}
+	}
+
+	inline Vector2 normalized() const {
+		Vector2 v = *this;
+		v.normalize();
+		return v;
+	}
+
+	inline real_t length() const {
+		return sqrt(x * x + y * y);
+	}
+
+	inline real_t length_squared() const {
+		return x * x + y * y;
+	}
+
+	inline real_t distance_to(const Vector2 &p_vector2) const {
+		return sqrt((x - p_vector2.x) * (x - p_vector2.x) + (y - p_vector2.y) * (y - p_vector2.y));
+	}
+
+	inline real_t distance_squared_to(const Vector2 &p_vector2) const {
+		return (x - p_vector2.x) * (x - p_vector2.x) + (y - p_vector2.y) * (y - p_vector2.y);
+	}
+
+	inline real_t angle_to(const Vector2 &p_vector2) const {
+		return atan2(cross(p_vector2), dot(p_vector2));
+	}
+
+	inline real_t angle_to_point(const Vector2 &p_vector2) const {
+		return atan2(y - p_vector2.y, x - p_vector2.x);
+	}
+
+	inline Vector2 direction_to(const Vector2 &p_b) const {
+		Vector2 ret(p_b.x - x, p_b.y - y);
+		ret.normalize();
+		return ret;
+	}
+
+	inline real_t dot(const Vector2 &p_other) const {
+		return x * p_other.x + y * p_other.y;
+	}
+
+	inline real_t cross(const Vector2 &p_other) const {
+		return x * p_other.y - y * p_other.x;
+	}
+
+	inline Vector2 cross(real_t p_other) const {
+		return Vector2(p_other * y, -p_other * x);
+	}
+
+	Vector2 project(const Vector2 &p_vec) const;
+
+	Vector2 plane_project(real_t p_d, const Vector2 &p_vec) const;
+
+	Vector2 clamped(real_t p_len) const;
+
+	static inline Vector2 linear_interpolate(const Vector2 &p_a, const Vector2 &p_b, real_t p_t) {
+		Vector2 res = p_a;
+		res.x += (p_t * (p_b.x - p_a.x));
+		res.y += (p_t * (p_b.y - p_a.y));
+		return res;
+	}
+
+	inline Vector2 linear_interpolate(const Vector2 &p_b, real_t p_t) const {
+		Vector2 res = *this;
+		res.x += (p_t * (p_b.x - x));
+		res.y += (p_t * (p_b.y - y));
+		return res;
+	}
+
+	Vector2 cubic_interpolate(const Vector2 &p_b, const Vector2 &p_pre_a, const Vector2 &p_post_b, real_t p_t) const;
+
+	Vector2 move_toward(const Vector2 &p_to, const real_t p_delta) const {
+		Vector2 v = *this;
+		Vector2 vd = p_to - v;
+		real_t len = vd.length();
+		return len <= p_delta || len < CMP_EPSILON ? p_to : v + vd / len * p_delta;
+	}
+
+	inline Vector2 slide(const Vector2 &p_vec) const {
+		return p_vec - *this * this->dot(p_vec);
+	}
+
+	inline Vector2 bounce(const Vector2 &p_normal) const {
+		return -reflect(p_normal);
+	}
+
+	inline Vector2 reflect(const Vector2 &p_normal) const {
+		return -(*this - p_normal * this->dot(p_normal) * 2.0);
+	}
+
+	inline real_t angle() const {
+		return atan2(y, x);
+	}
+
+	inline void set_rotation(real_t p_radians) {
+		x = cosf(p_radians);
+		y = sinf(p_radians);
+	}
+
+	inline Vector2 abs() const {
+		return Vector2(fabs(x), fabs(y));
+	}
+
+	inline Vector2 rotated(real_t p_by) const {
+		Vector2 v;
+		v.set_rotation(angle() + p_by);
+		v *= length();
+		return v;
+	}
+
+	inline Vector2 tangent() const {
+		return Vector2(y, -x);
+	}
+
+	inline Vector2 floor() const {
+		return Vector2(Math::floor(x), Math::floor(y));
+	}
+
+	inline Vector2 snapped(const Vector2 &p_by) const {
+		return Vector2(
+				Math::stepify(x, p_by.x),
+				Math::stepify(y, p_by.y));
+	}
+
+	inline real_t aspect() const { return width / height; }
+
+	operator String() const;
+};
+
+inline Vector2 operator*(real_t p_scalar, const Vector2 &p_vec) {
+	return p_vec * p_scalar;
+}
+
+namespace Math {
+
+// Convenience, since they exist in GDScript
+
+inline Vector2 cartesian2polar(Vector2 v) {
+	return Vector2(Math::sqrt(v.x * v.x + v.y * v.y), Math::atan2(v.y, v.x));
+}
+
+inline Vector2 polar2cartesian(Vector2 v) {
+	// x == radius
+	// y == angle
+	return Vector2(v.x * Math::cos(v.y), v.x * Math::sin(v.y));
+}
+
+} // namespace Math
+
+} // namespace godot
+
+#endif // VECTOR2_H

include/core/Vector3.hpp

@@ -0,0 +1,342 @@
+/*************************************************************************/
+/*  Vector3.hpp                                                          */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                      https://godotengine.org                          */
+/*************************************************************************/
+/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur.                 */
+/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md).   */
+/*                                                                       */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the       */
+/* "Software"), to deal in the Software without restriction, including   */
+/* without limitation the rights to use, copy, modify, merge, publish,   */
+/* distribute, sublicense, and/or sell copies of the Software, and to    */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions:                                             */
+/*                                                                       */
+/* The above copyright notice and this permission notice shall be        */
+/* included in all copies or substantial portions of the Software.       */
+/*                                                                       */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
+/*************************************************************************/
+
+#ifndef VECTOR3_H
+#define VECTOR3_H
+
+#include <gdnative/vector3.h>
+
+#include "Defs.hpp"
+
+#include "String.hpp"
+
+#include <Math.hpp>
+
+namespace godot {
+
+class Basis;
+
+struct Vector3 {
+	enum Axis {
+		AXIS_X,
+		AXIS_Y,
+		AXIS_Z,
+		AXIS_COUNT
+	};
+
+	static const Vector3 ZERO;
+	static const Vector3 ONE;
+	static const Vector3 INF;
+
+	// Coordinate system of the 3D engine
+	static const Vector3 LEFT;
+	static const Vector3 RIGHT;
+	static const Vector3 UP;
+	static const Vector3 DOWN;
+	static const Vector3 FORWARD;
+	static const Vector3 BACK;
+
+	union {
+		struct {
+			real_t x;
+			real_t y;
+			real_t z;
+		};
+
+		real_t coord[3]; // Not for direct access, use [] operator instead
+	};
+
+	inline Vector3(real_t x, real_t y, real_t z) {
+		this->x = x;
+		this->y = y;
+		this->z = z;
+	}
+
+	inline Vector3() {
+		this->x = 0;
+		this->y = 0;
+		this->z = 0;
+	}
+
+	inline const real_t &operator[](int p_axis) const {
+		return coord[p_axis];
+	}
+
+	inline real_t &operator[](int p_axis) {
+		return coord[p_axis];
+	}
+
+	inline Vector3 &operator+=(const Vector3 &p_v) {
+		x += p_v.x;
+		y += p_v.y;
+		z += p_v.z;
+		return *this;
+	}
+
+	inline Vector3 operator+(const Vector3 &p_v) const {
+		Vector3 v = *this;
+		v += p_v;
+		return v;
+	}
+
+	inline Vector3 &operator-=(const Vector3 &p_v) {
+		x -= p_v.x;
+		y -= p_v.y;
+		z -= p_v.z;
+		return *this;
+	}
+
+	inline Vector3 operator-(const Vector3 &p_v) const {
+		Vector3 v = *this;
+		v -= p_v;
+		return v;
+	}
+
+	inline Vector3 &operator*=(const Vector3 &p_v) {
+		x *= p_v.x;
+		y *= p_v.y;
+		z *= p_v.z;
+		return *this;
+	}
+
+	inline Vector3 operator*(const Vector3 &p_v) const {
+		Vector3 v = *this;
+		v *= p_v;
+		return v;
+	}
+
+	inline Vector3 &operator/=(const Vector3 &p_v) {
+		x /= p_v.x;
+		y /= p_v.y;
+		z /= p_v.z;
+		return *this;
+	}
+
+	inline Vector3 operator/(const Vector3 &p_v) const {
+		Vector3 v = *this;
+		v /= p_v;
+		return v;
+	}
+
+	inline Vector3 &operator*=(real_t p_scalar) {
+		*this *= Vector3(p_scalar, p_scalar, p_scalar);
+		return *this;
+	}
+
+	inline Vector3 operator*(real_t p_scalar) const {
+		Vector3 v = *this;
+		v *= p_scalar;
+		return v;
+	}
+
+	inline Vector3 &operator/=(real_t p_scalar) {
+		*this /= Vector3(p_scalar, p_scalar, p_scalar);
+		return *this;
+	}
+
+	inline Vector3 operator/(real_t p_scalar) const {
+		Vector3 v = *this;
+		v /= p_scalar;
+		return v;
+	}
+
+	inline Vector3 operator-() const {
+		return Vector3(-x, -y, -z);
+	}
+
+	inline bool operator==(const Vector3 &p_v) const {
+		return (x == p_v.x && y == p_v.y && z == p_v.z);
+	}
+
+	inline bool operator!=(const Vector3 &p_v) const {
+		return (x != p_v.x || y != p_v.y || z != p_v.z);
+	}
+
+	bool operator<(const Vector3 &p_v) const;
+
+	bool operator<=(const Vector3 &p_v) const;
+
+	inline Vector3 abs() const {
+		return Vector3(::fabs(x), ::fabs(y), ::fabs(z));
+	}
+
+	inline Vector3 ceil() const {
+		return Vector3(::ceil(x), ::ceil(y), ::ceil(z));
+	}
+
+	inline Vector3 cross(const Vector3 &b) const {
+		Vector3 ret(
+				(y * b.z) - (z * b.y),
+				(z * b.x) - (x * b.z),
+				(x * b.y) - (y * b.x));
+
+		return ret;
+	}
+
+	inline Vector3 linear_interpolate(const Vector3 &p_b, real_t p_t) const {
+		return Vector3(
+				x + (p_t * (p_b.x - x)),
+				y + (p_t * (p_b.y - y)),
+				z + (p_t * (p_b.z - z)));
+	}
+
+	inline Vector3 slerp(const Vector3 &p_b, real_t p_t) const {
+		real_t theta = angle_to(p_b);
+		return rotated(cross(p_b).normalized(), theta * p_t);
+	}
+
+	Vector3 cubic_interpolate(const Vector3 &b, const Vector3 &pre_a, const Vector3 &post_b, const real_t t) const;
+
+	Vector3 move_toward(const Vector3 &p_to, const real_t p_delta) const {
+		Vector3 v = *this;
+		Vector3 vd = p_to - v;
+		real_t len = vd.length();
+		return len <= p_delta || len < CMP_EPSILON ? p_to : v + vd / len * p_delta;
+	}
+
+	Vector3 bounce(const Vector3 &p_normal) const {
+		return -reflect(p_normal);
+	}
+
+	inline real_t length() const {
+		real_t x2 = x * x;
+		real_t y2 = y * y;
+		real_t z2 = z * z;
+
+		return ::sqrt(x2 + y2 + z2);
+	}
+
+	inline real_t length_squared() const {
+		real_t x2 = x * x;
+		real_t y2 = y * y;
+		real_t z2 = z * z;
+
+		return x2 + y2 + z2;
+	}
+
+	inline real_t distance_squared_to(const Vector3 &b) const {
+		return (b - *this).length_squared();
+	}
+
+	inline real_t distance_to(const Vector3 &b) const {
+		return (b - *this).length();
+	}
+
+	inline real_t dot(const Vector3 &b) const {
+		return x * b.x + y * b.y + z * b.z;
+	}
+
+	inline Vector3 project(const Vector3 &p_b) const {
+		return p_b * (dot(p_b) / p_b.length_squared());
+	}
+
+	inline real_t angle_to(const Vector3 &b) const {
+		return std::atan2(cross(b).length(), dot(b));
+	}
+
+	inline Vector3 direction_to(const Vector3 &p_b) const {
+		Vector3 ret(p_b.x - x, p_b.y - y, p_b.z - z);
+		ret.normalize();
+		return ret;
+	}
+
+	inline Vector3 floor() const {
+		return Vector3(::floor(x), ::floor(y), ::floor(z));
+	}
+
+	inline Vector3 inverse() const {
+		return Vector3(1.f / x, 1.f / y, 1.f / z);
+	}
+
+	inline bool is_normalized() const {
+		return std::abs(length_squared() - 1.f) < 0.00001f;
+	}
+
+	Basis outer(const Vector3 &b) const;
+
+	int max_axis() const;
+
+	int min_axis() const;
+
+	inline void normalize() {
+		real_t l = length();
+		if (l == 0) {
+			x = y = z = 0;
+		} else {
+			x /= l;
+			y /= l;
+			z /= l;
+		}
+	}
+
+	inline Vector3 normalized() const {
+		Vector3 v = *this;
+		v.normalize();
+		return v;
+	}
+
+	inline Vector3 reflect(const Vector3 &p_normal) const {
+		return -(*this - p_normal * this->dot(p_normal) * 2.0);
+	}
+
+	inline Vector3 rotated(const Vector3 &axis, const real_t phi) const {
+		Vector3 v = *this;
+		v.rotate(axis, phi);
+		return v;
+	}
+
+	void rotate(const Vector3 &p_axis, real_t p_phi);
+
+	inline Vector3 slide(const Vector3 &by) const {
+		return *this - by * this->dot(by);
+	}
+
+	void snap(real_t p_val);
+
+	inline Vector3 snapped(const float by) {
+		Vector3 v = *this;
+		v.snap(by);
+		return v;
+	}
+
+	operator String() const;
+};
+
+inline Vector3 operator*(real_t p_scalar, const Vector3 &p_vec) {
+	return p_vec * p_scalar;
+}
+
+inline Vector3 vec3_cross(const Vector3 &p_a, const Vector3 &p_b) {
+	return p_a.cross(p_b);
+}
+
+} // namespace godot
+
+#endif // VECTOR3_H

include/core/Wrapped.hpp

@@ -0,0 +1,47 @@
+/*************************************************************************/
+/*  Wrapped.hpp                                                          */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                      https://godotengine.org                          */
+/*************************************************************************/
+/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur.                 */
+/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md).   */
+/*                                                                       */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the       */
+/* "Software"), to deal in the Software without restriction, including   */
+/* without limitation the rights to use, copy, modify, merge, publish,   */
+/* distribute, sublicense, and/or sell copies of the Software, and to    */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions:                                             */
+/*                                                                       */
+/* The above copyright notice and this permission notice shall be        */
+/* included in all copies or substantial portions of the Software.       */
+/*                                                                       */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
+/*************************************************************************/
+
+#ifndef WRAPPED_HPP
+#define WRAPPED_HPP
+
+#include <gdnative/gdnative.h>
+
+namespace godot {
+
+// This is an internal base class used by the bindings. You should not need to access its members.
+class _Wrapped {
+public:
+	godot_object *_owner;
+	size_t _type_tag;
+};
+
+} // namespace godot
+
+#endif // WRAPPED_HPP

include/gen/.gitignore

@@ -0,0 +1,2 @@
+*
+!.gitignore

misc/ci/sources.list

@@ -0,0 +1,4 @@
+deb http://archive.ubuntu.com/ubuntu/ focal main restricted universe multiverse
+deb http://archive.ubuntu.com/ubuntu/ focal-updates main restricted universe multiverse
+deb http://archive.ubuntu.com/ubuntu/ focal-security main restricted universe multiverse
+deb http://archive.ubuntu.com/ubuntu/ focal-backports main restricted universe multiverse

misc/hooks/README.md

@@ -0,0 +1,18 @@
+# Git hooks for Godot Engine
+
+This folder contains git hooks meant to be installed locally by Godot Engine
+contributors to make sure they comply with our requirements.
+
+## List of hooks
+
+- Pre-commit hook for clang-format: Applies clang-format to the staged files
+  before accepting a commit; blocks the commit and generates a patch if the
+  style is not respected.
+  Should work on Linux and macOS. You may need to edit the file if your
+  clang-format binary is not in the $PATH, or if you want to enable colored
+  output with pygmentize.
+
+## Installation
+
+Copy all the files from this folder into your .git/hooks folder, and make sure
+the hooks and helper scripts are executable.

misc/hooks/canonicalize_filename.sh

@@ -0,0 +1,48 @@
+#!/bin/sh
+
+# Provide the canonicalize filename (physical filename with out any symlinks)
+# like the GNU version readlink with the -f option regardless of the version of
+# readlink (GNU or BSD).
+
+# This file is part of a set of unofficial pre-commit hooks available
+# at github.
+# Link:    https://github.com/githubbrowser/Pre-commit-hooks
+# Contact: David Martin, david.martin.mailbox@googlemail.com
+
+###########################################################
+# There should be no need to change anything below this line.
+
+# Canonicalize by recursively following every symlink in every component of the
+# specified filename.  This should reproduce the results of the GNU version of
+# readlink with the -f option.
+#
+# Reference: http://stackoverflow.com/questions/1055671/how-can-i-get-the-behavior-of-gnus-readlink-f-on-a-mac
+canonicalize_filename () {
+    local target_file="$1"
+    local physical_directory=""
+    local result=""
+
+    # Need to restore the working directory after work.
+    local working_dir="`pwd`"
+
+    cd -- "$(dirname -- "$target_file")"
+    target_file="$(basename -- "$target_file")"
+
+    # Iterate down a (possible) chain of symlinks
+    while [ -L "$target_file" ]
+    do
+        target_file="$(readlink -- "$target_file")"
+        cd -- "$(dirname -- "$target_file")"
+        target_file="$(basename -- "$target_file")"
+    done
+
+    # Compute the canonicalized name by finding the physical path
+    # for the directory we're in and appending the target file.
+    physical_directory="`pwd -P`"
+    result="$physical_directory/$target_file"
+
+    # restore the working directory after work.
+    cd -- "$working_dir"
+
+    echo "$result"
+}

misc/hooks/pre-commit

@@ -0,0 +1,50 @@
+#!/bin/sh
+# Git pre-commit hook that runs multiple hooks specified in $HOOKS.
+# Make sure this script is executable. Bypass hooks with git commit --no-verify.
+
+# This file is part of a set of unofficial pre-commit hooks available
+# at github.
+# Link:    https://github.com/githubbrowser/Pre-commit-hooks
+# Contact: David Martin, david.martin.mailbox@googlemail.com
+
+
+###########################################################
+# CONFIGURATION:
+# pre-commit hooks to be executed. They should be in the same .git/hooks/ folder
+# as this script. Hooks should return 0 if successful and nonzero to cancel the
+# commit. They are executed in the order in which they are listed.
+#HOOKS="pre-commit-compile pre-commit-uncrustify"
+HOOKS="pre-commit-clang-format"
+###########################################################
+# There should be no need to change anything below this line.
+
+. "$(dirname -- "$0")/canonicalize_filename.sh"
+
+# exit on error
+set -e
+
+# Absolute path to this script, e.g. /home/user/bin/foo.sh
+SCRIPT="$(canonicalize_filename "$0")"
+
+# Absolute path this script is in, thus /home/user/bin
+SCRIPTPATH="$(dirname -- "$SCRIPT")"
+
+
+for hook in $HOOKS
+do
+    echo "Running hook: $hook"
+    # run hook if it exists
+    # if it returns with nonzero exit with 1 and thus abort the commit
+    if [ -f "$SCRIPTPATH/$hook" ]; then
+        "$SCRIPTPATH/$hook"
+        if [ $? != 0 ]; then
+            exit 1
+        fi
+    else
+        echo "Error: file $hook not found."
+        echo "Aborting commit. Make sure the hook is in $SCRIPTPATH and executable."
+        echo "You can disable it by removing it from the list in $SCRIPT."
+        echo "You can skip all pre-commit hooks with --no-verify (not recommended)."
+        exit 1
+    fi
+done

misc/hooks/pre-commit-clang-format

@@ -0,0 +1,147 @@
+#!/usr/bin/env bash
+
+# git pre-commit hook that runs a clang-format stylecheck.
+# Features:
+#  - abort commit when commit does not comply with the style guidelines
+#  - create a patch of the proposed style changes
+# Modifications for clang-format by rene.milk@wwu.de
+
+# This file is part of a set of unofficial pre-commit hooks available
+# at github.
+# Link:    https://github.com/githubbrowser/Pre-commit-hooks
+# Contact: David Martin, david.martin.mailbox@googlemail.com
+
+# Some quality of life modifications made for Godot Engine.
+
+##################################################################
+# SETTINGS
+# Set path to clang-format binary
+# CLANG_FORMAT="/usr/bin/clang-format"
+CLANG_FORMAT=`which clang-format`
+
+# Remove any older patches from previous commits. Set to true or false.
+# DELETE_OLD_PATCHES=false
+DELETE_OLD_PATCHES=false
+
+# Only parse files with the extensions in FILE_EXTS. Set to true or false.
+# If false every changed file in the commit will be parsed with clang-format.
+# If true only files matching one of the extensions are parsed with clang-format.
+# PARSE_EXTS=true
+PARSE_EXTS=true
+
+# File types to parse. Only effective when PARSE_EXTS is true.
+# FILE_EXTS=".c .h .cpp .hpp"
+FILE_EXTS=".c .h .cpp .hpp .cc .hh .cxx .m .mm .inc .java .glsl"
+
+# Use pygmentize instead of cat to parse diff with highlighting.
+# Install it with `pip install pygments` (Linux) or `easy_install Pygments` (Mac)
+# READER="pygmentize -l diff"
+READER=cat
+
+##################################################################
+# There should be no need to change anything below this line.
+
+. "$(dirname -- "$0")/canonicalize_filename.sh"
+
+# exit on error
+set -e
+
+# check whether the given file matches any of the set extensions
+matches_extension() {
+    local filename=$(basename "$1")
+    local extension=".${filename##*.}"
+    local ext
+
+    for ext in $FILE_EXTS; do [[ "$ext" == "$extension" ]] && return 0; done
+
+    return 1
+}
+
+# necessary check for initial commit
+if git rev-parse --verify HEAD >/dev/null 2>&1 ; then
+    against=HEAD
+else
+    # Initial commit: diff against an empty tree object
+    against=4b825dc642cb6eb9a060e54bf8d69288fbee4904
+fi
+
+if [ ! -x "$CLANG_FORMAT" ] ; then
+    printf "Error: clang-format executable not found.\n"
+    printf "Set the correct path in $(canonicalize_filename "$0").\n"
+    exit 1
+fi
+
+# create a random filename to store our generated patch
+prefix="pre-commit-clang-format"
+suffix="$(date +%s)"
+patch="/tmp/$prefix-$suffix.patch"
+
+# clean up any older clang-format patches
+$DELETE_OLD_PATCHES && rm -f /tmp/$prefix*.patch
+
+# create one patch containing all changes to the files
+git diff-index --cached --diff-filter=ACMR --name-only $against -- | while read file;
+do
+    # ignore thirdparty files
+    if grep -q "thirdparty" <<< $file; then
+        continue;
+    fi
+
+    # ignore file if we do check for file extensions and the file
+    # does not match any of the extensions specified in $FILE_EXTS
+    if $PARSE_EXTS && ! matches_extension "$file"; then
+        continue;
+    fi
+
+    # clang-format our sourcefile, create a patch with diff and append it to our $patch
+    # The sed call is necessary to transform the patch from
+    #    --- $file timestamp
+    #    +++ - timestamp
+    # to both lines working on the same file and having a/ and b/ prefix.
+    # Else it can not be applied with 'git apply'.
+    "$CLANG_FORMAT" -style=file "$file" | \
+        diff -u "$file" - | \
+        sed -e "1s|--- |--- a/|" -e "2s|+++ -|+++ b/$file|" >> "$patch"
+done
+
+# if no patch has been generated all is ok, clean up the file stub and exit
+if [ ! -s "$patch" ] ; then
+    printf "Files in this commit comply with the clang-format rules.\n"
+    rm -f "$patch"
+    exit 0
+fi
+
+# a patch has been created, notify the user and exit
+printf "\nThe following differences were found between the code to commit "
+printf "and the clang-format rules:\n\n"
+$READER "$patch"
+printf "\n"
+
+# Allows us to read user input below, assigns stdin to keyboard
+exec < /dev/tty
+
+while true; do
+    read -p "Do you want to apply that patch (Y - Apply, N - Do not apply, S - Apply and stage files)? [Y/N/S] " yn
+    case $yn in
+        [Yy] ) git apply $patch;
+        printf "The patch was applied. You can now stage the changes and commit again.\n\n";
+        break
+        ;;
+        [Nn] ) printf "\nYou can apply these changes with:\n  git apply $patch\n";
+        printf "(may need to be called from the root directory of your repository)\n";
+        printf "Aborting commit. Apply changes and commit again or skip checking with";
+        printf " --no-verify (not recommended).\n\n";
+        break
+        ;;
+        [Ss] ) git apply $patch;
+        git diff-index --cached --diff-filter=ACMR --name-only $against -- | while read file;
+        do git add $file;
+        done
+        printf "The patch was applied and the changed files staged. You can now commit.\n\n";
+        break
+        ;;
+        * ) echo "Please answer yes or no."
+        ;;
+    esac
+done
+exit 1 # we don't commit in any case

misc/scripts/check_get_file_list.py

@@ -0,0 +1,31 @@
+#!/usr/bin/env python
+
+import os, sys
+
+from pathlib import Path
+
+sys.path.insert(1, os.path.join(os.path.dirname(__file__), "..", ".."))
+
+from binding_generator import get_file_list, generate_bindings
+
+api_filepath = "godot-headers/api.json"
+bits = "64"
+double = "float"
+output_dir = "self_test"
+
+generate_bindings(api_filepath, use_template_get_node=False, output_dir=output_dir)
+flist = get_file_list(api_filepath, output_dir, headers=True, sources=True)
+
+p = Path(output_dir)
+allfiles = [str(f.as_posix()) for f in p.glob("**/*.*")]
+missing = list(filter((lambda f: f not in flist), allfiles))
+extras = list(filter((lambda f: f not in allfiles), flist))
+if len(missing) > 0 or len(extras) > 0:
+    print("Error!")
+    for f in missing:
+        print("MISSING: " + str(f))
+    for f in extras:
+        print("EXTRA: " + str(f))
+    sys.exit(1)
+else:
+    print("OK!")

misc/scripts/clang_format.sh

@@ -0,0 +1,43 @@
+#!/usr/bin/env bash
+
+# This script runs clang-format on all relevant files in the repo.
+# This is the primary script responsible for fixing style violations.
+
+set -uo pipefail
+IFS=$'\n\t'
+
+CLANG_FORMAT_FILE_EXTS=(".c" ".h" ".cpp" ".hpp" ".cc" ".hh" ".cxx" ".m" ".mm" ".inc" ".java" ".glsl")
+
+# Loops through all text files tracked by Git.
+git grep -zIl '' |
+while IFS= read -rd '' f; do
+    # Exclude some files.
+    if [[ "$f" == "thirdparty"* ]]; then
+        continue
+    fi
+
+    for extension in ${CLANG_FORMAT_FILE_EXTS[@]}; do
+        if [[ "$f" == *"$extension" ]]; then
+            # Run clang-format.
+            clang-format -i "$f"
+            continue 2
+        fi
+    done
+done
+
+git diff > patch.patch
+
+# If no patch has been generated all is OK, clean up, and exit.
+if [ ! -s patch.patch ] ; then
+    printf "Files in this commit comply with the clang-format style rules.\n"
+    rm -f patch.patch
+    exit 0
+fi
+
+# A patch has been created, notify the user, clean up, and exit.
+printf "\n*** The following differences were found between the code "
+printf "and the formatting rules:\n\n"
+cat patch.patch
+printf "\n*** Aborting, please fix your commit(s) with 'git commit --amend' or 'git rebase -i <hash>'\n"
+rm -f patch.patch
+exit 1

src/core/AABB.cpp

@@ -0,0 +1,604 @@
+/*************************************************************************/
+/*  AABB.cpp                                                             */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                      https://godotengine.org                          */
+/*************************************************************************/
+/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur.                 */
+/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md).   */
+/*                                                                       */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the       */
+/* "Software"), to deal in the Software without restriction, including   */
+/* without limitation the rights to use, copy, modify, merge, publish,   */
+/* distribute, sublicense, and/or sell copies of the Software, and to    */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions:                                             */
+/*                                                                       */
+/* The above copyright notice and this permission notice shall be        */
+/* included in all copies or substantial portions of the Software.       */
+/*                                                                       */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
+/*************************************************************************/
+
+#include "AABB.hpp"
+#include "Plane.hpp"
+#include "Vector3.hpp"
+
+#include <algorithm>
+
+namespace godot {
+
+bool AABB::intersects(const AABB &p_aabb) const {
+	if (position.x >= (p_aabb.position.x + p_aabb.size.x))
+		return false;
+	if ((position.x + size.x) <= p_aabb.position.x)
+		return false;
+	if (position.y >= (p_aabb.position.y + p_aabb.size.y))
+		return false;
+	if ((position.y + size.y) <= p_aabb.position.y)
+		return false;
+	if (position.z >= (p_aabb.position.z + p_aabb.size.z))
+		return false;
+	if ((position.z + size.z) <= p_aabb.position.z)
+		return false;
+
+	return true;
+}
+
+bool AABB::intersects_inclusive(const AABB &p_aabb) const {
+	if (position.x > (p_aabb.position.x + p_aabb.size.x))
+		return false;
+	if ((position.x + size.x) < p_aabb.position.x)
+		return false;
+	if (position.y > (p_aabb.position.y + p_aabb.size.y))
+		return false;
+	if ((position.y + size.y) < p_aabb.position.y)
+		return false;
+	if (position.z > (p_aabb.position.z + p_aabb.size.z))
+		return false;
+	if ((position.z + size.z) < p_aabb.position.z)
+		return false;
+
+	return true;
+}
+
+bool AABB::encloses(const AABB &p_aabb) const {
+	Vector3 src_min = position;
+	Vector3 src_max = position + size;
+	Vector3 dst_min = p_aabb.position;
+	Vector3 dst_max = p_aabb.position + p_aabb.size;
+
+	return (
+			(src_min.x <= dst_min.x) &&
+			(src_max.x > dst_max.x) &&
+			(src_min.y <= dst_min.y) &&
+			(src_max.y > dst_max.y) &&
+			(src_min.z <= dst_min.z) &&
+			(src_max.z > dst_max.z));
+}
+
+Vector3 AABB::get_support(const Vector3 &p_normal) const {
+	Vector3 half_extents = size * 0.5;
+	Vector3 ofs = position + half_extents;
+
+	return Vector3(
+				   (p_normal.x > 0) ? -half_extents.x : half_extents.x,
+				   (p_normal.y > 0) ? -half_extents.y : half_extents.y,
+				   (p_normal.z > 0) ? -half_extents.z : half_extents.z) +
+		   ofs;
+}
+
+Vector3 AABB::get_endpoint(int p_point) const {
+	switch (p_point) {
+		case 0:
+			return Vector3(position.x, position.y, position.z);
+		case 1:
+			return Vector3(position.x, position.y, position.z + size.z);
+		case 2:
+			return Vector3(position.x, position.y + size.y, position.z);
+		case 3:
+			return Vector3(position.x, position.y + size.y, position.z + size.z);
+		case 4:
+			return Vector3(position.x + size.x, position.y, position.z);
+		case 5:
+			return Vector3(position.x + size.x, position.y, position.z + size.z);
+		case 6:
+			return Vector3(position.x + size.x, position.y + size.y, position.z);
+		case 7:
+			return Vector3(position.x + size.x, position.y + size.y, position.z + size.z);
+	};
+
+	ERR_FAIL_V(Vector3());
+}
+
+bool AABB::intersects_convex_shape(const Plane *p_planes, int p_plane_count) const {
+	Vector3 half_extents = size * 0.5;
+	Vector3 ofs = position + half_extents;
+
+	for (int i = 0; i < p_plane_count; i++) {
+		const Plane &p = p_planes[i];
+		Vector3 point(
+				(p.normal.x > 0) ? -half_extents.x : half_extents.x,
+				(p.normal.y > 0) ? -half_extents.y : half_extents.y,
+				(p.normal.z > 0) ? -half_extents.z : half_extents.z);
+		point += ofs;
+		if (p.is_point_over(point))
+			return false;
+	}
+
+	return true;
+}
+
+bool AABB::has_point(const Vector3 &p_point) const {
+	if (p_point.x < position.x)
+		return false;
+	if (p_point.y < position.y)
+		return false;
+	if (p_point.z < position.z)
+		return false;
+	if (p_point.x > position.x + size.x)
+		return false;
+	if (p_point.y > position.y + size.y)
+		return false;
+	if (p_point.z > position.z + size.z)
+		return false;
+
+	return true;
+}
+
+void AABB::expand_to(const Vector3 &p_vector) {
+	Vector3 begin = position;
+	Vector3 end = position + size;
+
+	if (p_vector.x < begin.x)
+		begin.x = p_vector.x;
+	if (p_vector.y < begin.y)
+		begin.y = p_vector.y;
+	if (p_vector.z < begin.z)
+		begin.z = p_vector.z;
+
+	if (p_vector.x > end.x)
+		end.x = p_vector.x;
+	if (p_vector.y > end.y)
+		end.y = p_vector.y;
+	if (p_vector.z > end.z)
+		end.z = p_vector.z;
+
+	position = begin;
+	size = end - begin;
+}
+
+void AABB::project_range_in_plane(const Plane &p_plane, real_t &r_min, real_t &r_max) const {
+	Vector3 half_extents(size.x * 0.5, size.y * 0.5, size.z * 0.5);
+	Vector3 center(position.x + half_extents.x, position.y + half_extents.y, position.z + half_extents.z);
+
+	real_t length = p_plane.normal.abs().dot(half_extents);
+	real_t distance = p_plane.distance_to(center);
+	r_min = distance - length;
+	r_max = distance + length;
+}
+
+real_t AABB::get_longest_axis_size() const {
+	real_t max_size = size.x;
+
+	if (size.y > max_size) {
+		max_size = size.y;
+	}
+
+	if (size.z > max_size) {
+		max_size = size.z;
+	}
+
+	return max_size;
+}
+
+real_t AABB::get_shortest_axis_size() const {
+	real_t max_size = size.x;
+
+	if (size.y < max_size) {
+		max_size = size.y;
+	}
+
+	if (size.z < max_size) {
+		max_size = size.z;
+	}
+
+	return max_size;
+}
+
+bool AABB::smits_intersect_ray(const Vector3 &from, const Vector3 &dir, real_t t0, real_t t1) const {
+	real_t divx = 1.0 / dir.x;
+	real_t divy = 1.0 / dir.y;
+	real_t divz = 1.0 / dir.z;
+
+	Vector3 upbound = position + size;
+	real_t tmin, tmax, tymin, tymax, tzmin, tzmax;
+	if (dir.x >= 0) {
+		tmin = (position.x - from.x) * divx;
+		tmax = (upbound.x - from.x) * divx;
+	} else {
+		tmin = (upbound.x - from.x) * divx;
+		tmax = (position.x - from.x) * divx;
+	}
+	if (dir.y >= 0) {
+		tymin = (position.y - from.y) * divy;
+		tymax = (upbound.y - from.y) * divy;
+	} else {
+		tymin = (upbound.y - from.y) * divy;
+		tymax = (position.y - from.y) * divy;
+	}
+	if ((tmin > tymax) || (tymin > tmax))
+		return false;
+	if (tymin > tmin)
+		tmin = tymin;
+	if (tymax < tmax)
+		tmax = tymax;
+	if (dir.z >= 0) {
+		tzmin = (position.z - from.z) * divz;
+		tzmax = (upbound.z - from.z) * divz;
+	} else {
+		tzmin = (upbound.z - from.z) * divz;
+		tzmax = (position.z - from.z) * divz;
+	}
+	if ((tmin > tzmax) || (tzmin > tmax))
+		return false;
+	if (tzmin > tmin)
+		tmin = tzmin;
+	if (tzmax < tmax)
+		tmax = tzmax;
+	return ((tmin < t1) && (tmax > t0));
+}
+
+void AABB::grow_by(real_t p_amount) {
+	position.x -= p_amount;
+	position.y -= p_amount;
+	position.z -= p_amount;
+	size.x += 2.0 * p_amount;
+	size.y += 2.0 * p_amount;
+	size.z += 2.0 * p_amount;
+}
+
+real_t AABB::get_area() const {
+	return size.x * size.y * size.z;
+}
+
+bool AABB::operator==(const AABB &p_rval) const {
+	return ((position == p_rval.position) && (size == p_rval.size));
+}
+bool AABB::operator!=(const AABB &p_rval) const {
+	return ((position != p_rval.position) || (size != p_rval.size));
+}
+
+void AABB::merge_with(const AABB &p_aabb) {
+	Vector3 beg_1, beg_2;
+	Vector3 end_1, end_2;
+	Vector3 min, max;
+
+	beg_1 = position;
+	beg_2 = p_aabb.position;
+	end_1 = Vector3(size.x, size.y, size.z) + beg_1;
+	end_2 = Vector3(p_aabb.size.x, p_aabb.size.y, p_aabb.size.z) + beg_2;
+
+	min.x = (beg_1.x < beg_2.x) ? beg_1.x : beg_2.x;
+	min.y = (beg_1.y < beg_2.y) ? beg_1.y : beg_2.y;
+	min.z = (beg_1.z < beg_2.z) ? beg_1.z : beg_2.z;
+
+	max.x = (end_1.x > end_2.x) ? end_1.x : end_2.x;
+	max.y = (end_1.y > end_2.y) ? end_1.y : end_2.y;
+	max.z = (end_1.z > end_2.z) ? end_1.z : end_2.z;
+
+	position = min;
+	size = max - min;
+}
+
+AABB AABB::intersection(const AABB &p_aabb) const {
+	Vector3 src_min = position;
+	Vector3 src_max = position + size;
+	Vector3 dst_min = p_aabb.position;
+	Vector3 dst_max = p_aabb.position + p_aabb.size;
+
+	Vector3 min, max;
+
+	if (src_min.x > dst_max.x || src_max.x < dst_min.x)
+		return AABB();
+	else {
+		min.x = (src_min.x > dst_min.x) ? src_min.x : dst_min.x;
+		max.x = (src_max.x < dst_max.x) ? src_max.x : dst_max.x;
+	}
+
+	if (src_min.y > dst_max.y || src_max.y < dst_min.y)
+		return AABB();
+	else {
+		min.y = (src_min.y > dst_min.y) ? src_min.y : dst_min.y;
+		max.y = (src_max.y < dst_max.y) ? src_max.y : dst_max.y;
+	}
+
+	if (src_min.z > dst_max.z || src_max.z < dst_min.z)
+		return AABB();
+	else {
+		min.z = (src_min.z > dst_min.z) ? src_min.z : dst_min.z;
+		max.z = (src_max.z < dst_max.z) ? src_max.z : dst_max.z;
+	}
+
+	return AABB(min, max - min);
+}
+
+bool AABB::intersects_ray(const Vector3 &p_from, const Vector3 &p_dir, Vector3 *r_clip, Vector3 *r_normal) const {
+	Vector3 c1, c2;
+	Vector3 end = position + size;
+	real_t near = -1e20;
+	real_t far = 1e20;
+	int axis = 0;
+
+	for (int i = 0; i < 3; i++) {
+		if (p_dir[i] == 0) {
+			if ((p_from[i] < position[i]) || (p_from[i] > end[i])) {
+				return false;
+			}
+		} else { // ray not parallel to planes in this direction
+			c1[i] = (position[i] - p_from[i]) / p_dir[i];
+			c2[i] = (end[i] - p_from[i]) / p_dir[i];
+
+			if (c1[i] > c2[i]) {
+				std::swap(c1, c2);
+			}
+			if (c1[i] > near) {
+				near = c1[i];
+				axis = i;
+			}
+			if (c2[i] < far) {
+				far = c2[i];
+			}
+			if ((near > far) || (far < 0)) {
+				return false;
+			}
+		}
+	}
+
+	if (r_clip)
+		*r_clip = c1;
+	if (r_normal) {
+		*r_normal = Vector3();
+		(*r_normal)[axis] = p_dir[axis] ? -1 : 1;
+	}
+
+	return true;
+}
+
+bool AABB::intersects_segment(const Vector3 &p_from, const Vector3 &p_to, Vector3 *r_clip, Vector3 *r_normal) const {
+	real_t min = 0, max = 1;
+	int axis = 0;
+	real_t sign = 0;
+
+	for (int i = 0; i < 3; i++) {
+		real_t seg_from = p_from[i];
+		real_t seg_to = p_to[i];
+		real_t box_begin = position[i];
+		real_t box_end = box_begin + size[i];
+		real_t cmin, cmax;
+		real_t csign;
+
+		if (seg_from < seg_to) {
+			if (seg_from > box_end || seg_to < box_begin)
+				return false;
+			real_t length = seg_to - seg_from;
+			cmin = (seg_from < box_begin) ? ((box_begin - seg_from) / length) : 0;
+			cmax = (seg_to > box_end) ? ((box_end - seg_from) / length) : 1;
+			csign = -1.0;
+
+		} else {
+			if (seg_to > box_end || seg_from < box_begin)
+				return false;
+			real_t length = seg_to - seg_from;
+			cmin = (seg_from > box_end) ? (box_end - seg_from) / length : 0;
+			cmax = (seg_to < box_begin) ? (box_begin - seg_from) / length : 1;
+			csign = 1.0;
+		}
+
+		if (cmin > min) {
+			min = cmin;
+			axis = i;
+			sign = csign;
+		}
+		if (cmax < max)
+			max = cmax;
+		if (max < min)
+			return false;
+	}
+
+	Vector3 rel = p_to - p_from;
+
+	if (r_normal) {
+		Vector3 normal;
+		normal[axis] = sign;
+		*r_normal = normal;
+	}
+
+	if (r_clip)
+		*r_clip = p_from + rel * min;
+
+	return true;
+}
+
+bool AABB::intersects_plane(const Plane &p_plane) const {
+	Vector3 points[8] = {
+		Vector3(position.x, position.y, position.z),
+		Vector3(position.x, position.y, position.z + size.z),
+		Vector3(position.x, position.y + size.y, position.z),
+		Vector3(position.x, position.y + size.y, position.z + size.z),
+		Vector3(position.x + size.x, position.y, position.z),
+		Vector3(position.x + size.x, position.y, position.z + size.z),
+		Vector3(position.x + size.x, position.y + size.y, position.z),
+		Vector3(position.x + size.x, position.y + size.y, position.z + size.z),
+	};
+
+	bool over = false;
+	bool under = false;
+
+	for (int i = 0; i < 8; i++) {
+		if (p_plane.distance_to(points[i]) > 0)
+			over = true;
+		else
+			under = true;
+	}
+
+	return under && over;
+}
+
+Vector3 AABB::get_longest_axis() const {
+	Vector3 axis(1, 0, 0);
+	real_t max_size = size.x;
+
+	if (size.y > max_size) {
+		axis = Vector3(0, 1, 0);
+		max_size = size.y;
+	}
+
+	if (size.z > max_size) {
+		axis = Vector3(0, 0, 1);
+		max_size = size.z;
+	}
+
+	return axis;
+}
+int AABB::get_longest_axis_index() const {
+	int axis = 0;
+	real_t max_size = size.x;
+
+	if (size.y > max_size) {
+		axis = 1;
+		max_size = size.y;
+	}
+
+	if (size.z > max_size) {
+		axis = 2;
+		max_size = size.z;
+	}
+
+	return axis;
+}
+
+Vector3 AABB::get_shortest_axis() const {
+	Vector3 axis(1, 0, 0);
+	real_t max_size = size.x;
+
+	if (size.y < max_size) {
+		axis = Vector3(0, 1, 0);
+		max_size = size.y;
+	}
+
+	if (size.z < max_size) {
+		axis = Vector3(0, 0, 1);
+		max_size = size.z;
+	}
+
+	return axis;
+}
+int AABB::get_shortest_axis_index() const {
+	int axis = 0;
+	real_t max_size = size.x;
+
+	if (size.y < max_size) {
+		axis = 1;
+		max_size = size.y;
+	}
+
+	if (size.z < max_size) {
+		axis = 2;
+		max_size = size.z;
+	}
+
+	return axis;
+}
+
+AABB AABB::merge(const AABB &p_with) const {
+	AABB aabb = *this;
+	aabb.merge_with(p_with);
+	return aabb;
+}
+AABB AABB::expand(const Vector3 &p_vector) const {
+	AABB aabb = *this;
+	aabb.expand_to(p_vector);
+	return aabb;
+}
+AABB AABB::grow(real_t p_by) const {
+	AABB aabb = *this;
+	aabb.grow_by(p_by);
+	return aabb;
+}
+
+void AABB::get_edge(int p_edge, Vector3 &r_from, Vector3 &r_to) const {
+	ERR_FAIL_INDEX(p_edge, 12);
+	switch (p_edge) {
+		case 0: {
+			r_from = Vector3(position.x + size.x, position.y, position.z);
+			r_to = Vector3(position.x, position.y, position.z);
+		} break;
+		case 1: {
+			r_from = Vector3(position.x + size.x, position.y, position.z + size.z);
+			r_to = Vector3(position.x + size.x, position.y, position.z);
+		} break;
+		case 2: {
+			r_from = Vector3(position.x, position.y, position.z + size.z);
+			r_to = Vector3(position.x + size.x, position.y, position.z + size.z);
+
+		} break;
+		case 3: {
+			r_from = Vector3(position.x, position.y, position.z);
+			r_to = Vector3(position.x, position.y, position.z + size.z);
+
+		} break;
+		case 4: {
+			r_from = Vector3(position.x, position.y + size.y, position.z);
+			r_to = Vector3(position.x + size.x, position.y + size.y, position.z);
+		} break;
+		case 5: {
+			r_from = Vector3(position.x + size.x, position.y + size.y, position.z);
+			r_to = Vector3(position.x + size.x, position.y + size.y, position.z + size.z);
+		} break;
+		case 6: {
+			r_from = Vector3(position.x + size.x, position.y + size.y, position.z + size.z);
+			r_to = Vector3(position.x, position.y + size.y, position.z + size.z);
+
+		} break;
+		case 7: {
+			r_from = Vector3(position.x, position.y + size.y, position.z + size.z);
+			r_to = Vector3(position.x, position.y + size.y, position.z);
+
+		} break;
+		case 8: {
+			r_from = Vector3(position.x, position.y, position.z + size.z);
+			r_to = Vector3(position.x, position.y + size.y, position.z + size.z);
+
+		} break;
+		case 9: {
+			r_from = Vector3(position.x, position.y, position.z);
+			r_to = Vector3(position.x, position.y + size.y, position.z);
+
+		} break;
+		case 10: {
+			r_from = Vector3(position.x + size.x, position.y, position.z);
+			r_to = Vector3(position.x + size.x, position.y + size.y, position.z);
+
+		} break;
+		case 11: {
+			r_from = Vector3(position.x + size.x, position.y, position.z + size.z);
+			r_to = Vector3(position.x + size.x, position.y + size.y, position.z + size.z);
+
+		} break;
+	}
+}
+
+AABB::operator String() const {
+	return String() + position + " - " + size;
+}
+
+} // namespace godot

src/core/Array.cpp

@@ -0,0 +1,226 @@
+/*************************************************************************/
+/*  Array.cpp                                                            */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                      https://godotengine.org                          */
+/*************************************************************************/
+/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur.                 */
+/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md).   */
+/*                                                                       */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the       */
+/* "Software"), to deal in the Software without restriction, including   */
+/* without limitation the rights to use, copy, modify, merge, publish,   */
+/* distribute, sublicense, and/or sell copies of the Software, and to    */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions:                                             */
+/*                                                                       */
+/* The above copyright notice and this permission notice shall be        */
+/* included in all copies or substantial portions of the Software.       */
+/*                                                                       */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
+/*************************************************************************/
+
+#include "Array.hpp"
+#include "GodotGlobal.hpp"
+#include "Variant.hpp"
+
+#include <cstdlib>
+
+namespace godot {
+
+class Object;
+
+Array::Array() {
+	godot::api->godot_array_new(&_godot_array);
+}
+
+Array::Array(const Array &other) {
+	godot::api->godot_array_new_copy(&_godot_array, &other._godot_array);
+}
+
+Array &Array::operator=(const Array &other) {
+	godot::api->godot_array_destroy(&_godot_array);
+	godot::api->godot_array_new_copy(&_godot_array, &other._godot_array);
+	return *this;
+}
+
+Array::Array(const PoolByteArray &a) {
+	godot::api->godot_array_new_pool_byte_array(&_godot_array, (godot_pool_byte_array *)&a);
+}
+
+Array::Array(const PoolIntArray &a) {
+	godot::api->godot_array_new_pool_int_array(&_godot_array, (godot_pool_int_array *)&a);
+}
+
+Array::Array(const PoolRealArray &a) {
+	godot::api->godot_array_new_pool_real_array(&_godot_array, (godot_pool_real_array *)&a);
+}
+
+Array::Array(const PoolStringArray &a) {
+	godot::api->godot_array_new_pool_string_array(&_godot_array, (godot_pool_string_array *)&a);
+}
+
+Array::Array(const PoolVector2Array &a) {
+	godot::api->godot_array_new_pool_vector2_array(&_godot_array, (godot_pool_vector2_array *)&a);
+}
+
+Array::Array(const PoolVector3Array &a) {
+	godot::api->godot_array_new_pool_vector3_array(&_godot_array, (godot_pool_vector3_array *)&a);
+}
+
+Array::Array(const PoolColorArray &a) {
+	godot::api->godot_array_new_pool_color_array(&_godot_array, (godot_pool_color_array *)&a);
+}
+
+Variant &Array::operator[](const int idx) {
+	godot_variant *v = godot::api->godot_array_operator_index(&_godot_array, idx);
+	// We assume it's ok to reinterpret because the value is a pointer whose data is already owned by the array,
+	// so can return a reference without constructing a Variant
+	return *reinterpret_cast<Variant *>(v);
+}
+
+const Variant &Array::operator[](const int idx) const {
+	// Yes, I'm casting away the const... you can hate me now.
+	// since the result is
+	godot_variant *v = godot::api->godot_array_operator_index((godot_array *)&_godot_array, idx);
+	return *reinterpret_cast<const Variant *>(v);
+}
+
+void Array::append(const Variant &v) {
+	godot::api->godot_array_append(&_godot_array, (godot_variant *)&v);
+}
+
+void Array::clear() {
+	godot::api->godot_array_clear(&_godot_array);
+}
+
+int Array::count(const Variant &v) {
+	return godot::api->godot_array_count(&_godot_array, (godot_variant *)&v);
+}
+
+bool Array::empty() const {
+	return godot::api->godot_array_empty(&_godot_array);
+}
+
+void Array::erase(const Variant &v) {
+	godot::api->godot_array_erase(&_godot_array, (godot_variant *)&v);
+}
+
+Variant Array::front() const {
+	godot_variant v = godot::api->godot_array_front(&_godot_array);
+	return Variant(v);
+}
+
+Variant Array::back() const {
+	godot_variant v = godot::api->godot_array_back(&_godot_array);
+	return Variant(v);
+}
+
+int Array::find(const Variant &what, const int from) const {
+	return godot::api->godot_array_find(&_godot_array, (godot_variant *)&what, from);
+}
+
+int Array::find_last(const Variant &what) const {
+	return godot::api->godot_array_find_last(&_godot_array, (godot_variant *)&what);
+}
+
+bool Array::has(const Variant &what) const {
+	return godot::api->godot_array_has(&_godot_array, (godot_variant *)&what);
+}
+
+uint32_t Array::hash() const {
+	return godot::api->godot_array_hash(&_godot_array);
+}
+
+void Array::insert(const int pos, const Variant &value) {
+	godot::api->godot_array_insert(&_godot_array, pos, (godot_variant *)&value);
+}
+
+void Array::invert() {
+	godot::api->godot_array_invert(&_godot_array);
+}
+
+Variant Array::pop_back() {
+	godot_variant v = godot::api->godot_array_pop_back(&_godot_array);
+	return Variant(v);
+}
+
+Variant Array::pop_front() {
+	godot_variant v = godot::api->godot_array_pop_front(&_godot_array);
+	return Variant(v);
+}
+
+void Array::push_back(const Variant &v) {
+	godot::api->godot_array_push_back(&_godot_array, (godot_variant *)&v);
+}
+
+void Array::push_front(const Variant &v) {
+	godot::api->godot_array_push_front(&_godot_array, (godot_variant *)&v);
+}
+
+void Array::remove(const int idx) {
+	godot::api->godot_array_remove(&_godot_array, idx);
+}
+
+int Array::size() const {
+	return godot::api->godot_array_size(&_godot_array);
+}
+
+void Array::resize(const int size) {
+	godot::api->godot_array_resize(&_godot_array, size);
+}
+
+int Array::rfind(const Variant &what, const int from) const {
+	return godot::api->godot_array_rfind(&_godot_array, (godot_variant *)&what, from);
+}
+
+void Array::sort() {
+	godot::api->godot_array_sort(&_godot_array);
+}
+
+void Array::sort_custom(Object *obj, const String &func) {
+	godot::api->godot_array_sort_custom(&_godot_array, (godot_object *)obj, (godot_string *)&func);
+}
+
+int Array::bsearch(const Variant &value, const bool before) {
+	return godot::api->godot_array_bsearch(&_godot_array, (godot_variant *)&value, before);
+}
+
+int Array::bsearch_custom(const Variant &value, const Object *obj,
+		const String &func, const bool before) {
+	return godot::api->godot_array_bsearch_custom(&_godot_array, (godot_variant *)&value,
+			(godot_object *)obj, (godot_string *)&func, before);
+}
+
+Array Array::duplicate(const bool deep) const {
+	godot_array arr = godot::core_1_1_api->godot_array_duplicate(&_godot_array, deep);
+	return Array(arr);
+}
+
+Variant Array::max() const {
+	godot_variant v = godot::core_1_1_api->godot_array_max(&_godot_array);
+	return Variant(v);
+}
+
+Variant Array::min() const {
+	godot_variant v = godot::core_1_1_api->godot_array_min(&_godot_array);
+	return Variant(v);
+}
+
+void Array::shuffle() {
+	godot::core_1_1_api->godot_array_shuffle(&_godot_array);
+}
+
+Array::~Array() {
+	godot::api->godot_array_destroy(&_godot_array);
+}
+
+} // namespace godot

src/core/Basis.cpp

@@ -0,0 +1,710 @@
+/*************************************************************************/
+/*  Basis.cpp                                                            */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                      https://godotengine.org                          */
+/*************************************************************************/
+/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur.                 */
+/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md).   */
+/*                                                                       */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the       */
+/* "Software"), to deal in the Software without restriction, including   */
+/* without limitation the rights to use, copy, modify, merge, publish,   */
+/* distribute, sublicense, and/or sell copies of the Software, and to    */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions:                                             */
+/*                                                                       */
+/* The above copyright notice and this permission notice shall be        */
+/* included in all copies or substantial portions of the Software.       */
+/*                                                                       */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
+/*************************************************************************/
+
+#include "Basis.hpp"
+#include "Defs.hpp"
+#include "Quat.hpp"
+#include "Vector3.hpp"
+
+#include <algorithm>
+
+namespace godot {
+
+const Basis Basis::IDENTITY = Basis();
+const Basis Basis::FLIP_X = Basis(-1, 0, 0, 0, 1, 0, 0, 0, 1);
+const Basis Basis::FLIP_Y = Basis(1, 0, 0, 0, -1, 0, 0, 0, 1);
+const Basis Basis::FLIP_Z = Basis(1, 0, 0, 0, 1, 0, 0, 0, -1);
+
+Basis::Basis(const Vector3 &row0, const Vector3 &row1, const Vector3 &row2) {
+	elements[0] = row0;
+	elements[1] = row1;
+	elements[2] = row2;
+}
+
+Basis::Basis(real_t xx, real_t xy, real_t xz, real_t yx, real_t yy, real_t yz, real_t zx, real_t zy, real_t zz) {
+	set(xx, xy, xz, yx, yy, yz, zx, zy, zz);
+}
+
+Basis::Basis() {
+	elements[0][0] = 1;
+	elements[0][1] = 0;
+	elements[0][2] = 0;
+	elements[1][0] = 0;
+	elements[1][1] = 1;
+	elements[1][2] = 0;
+	elements[2][0] = 0;
+	elements[2][1] = 0;
+	elements[2][2] = 1;
+}
+
+#define cofac(row1, col1, row2, col2) \
+	(elements[row1][col1] * elements[row2][col2] - elements[row1][col2] * elements[row2][col1])
+
+void Basis::invert() {
+	real_t co[3] = {
+		cofac(1, 1, 2, 2), cofac(1, 2, 2, 0), cofac(1, 0, 2, 1)
+	};
+	real_t det = elements[0][0] * co[0] +
+				 elements[0][1] * co[1] +
+				 elements[0][2] * co[2];
+
+	ERR_FAIL_COND(det == 0);
+
+	real_t s = 1.0 / det;
+
+	set(co[0] * s, cofac(0, 2, 2, 1) * s, cofac(0, 1, 1, 2) * s,
+			co[1] * s, cofac(0, 0, 2, 2) * s, cofac(0, 2, 1, 0) * s,
+			co[2] * s, cofac(0, 1, 2, 0) * s, cofac(0, 0, 1, 1) * s);
+}
+#undef cofac
+
+bool Basis::isequal_approx(const Basis &a, const Basis &b) const {
+	for (int i = 0; i < 3; i++) {
+		for (int j = 0; j < 3; j++) {
+			if ((::fabs(a.elements[i][j] - b.elements[i][j]) < CMP_EPSILON) == false)
+				return false;
+		}
+	}
+
+	return true;
+}
+
+bool Basis::is_orthogonal() const {
+	Basis id;
+	Basis m = (*this) * transposed();
+
+	return isequal_approx(id, m);
+}
+
+bool Basis::is_rotation() const {
+	return ::fabs(determinant() - 1) < CMP_EPSILON && is_orthogonal();
+}
+
+void Basis::transpose() {
+	std::swap(elements[0][1], elements[1][0]);
+	std::swap(elements[0][2], elements[2][0]);
+	std::swap(elements[1][2], elements[2][1]);
+}
+
+Basis Basis::inverse() const {
+	Basis b = *this;
+	b.invert();
+	return b;
+}
+
+Basis Basis::transposed() const {
+	Basis b = *this;
+	b.transpose();
+	return b;
+}
+
+real_t Basis::determinant() const {
+	return elements[0][0] * (elements[1][1] * elements[2][2] - elements[2][1] * elements[1][2]) -
+		   elements[1][0] * (elements[0][1] * elements[2][2] - elements[2][1] * elements[0][2]) +
+		   elements[2][0] * (elements[0][1] * elements[1][2] - elements[1][1] * elements[0][2]);
+}
+
+Vector3 Basis::get_axis(int p_axis) const {
+	// get actual basis axis (elements is transposed for performance)
+	return Vector3(elements[0][p_axis], elements[1][p_axis], elements[2][p_axis]);
+}
+void Basis::set_axis(int p_axis, const Vector3 &p_value) {
+	// get actual basis axis (elements is transposed for performance)
+	elements[0][p_axis] = p_value.x;
+	elements[1][p_axis] = p_value.y;
+	elements[2][p_axis] = p_value.z;
+}
+
+void Basis::rotate(const Vector3 &p_axis, real_t p_phi) {
+	*this = rotated(p_axis, p_phi);
+}
+
+Basis Basis::rotated(const Vector3 &p_axis, real_t p_phi) const {
+	return Basis(p_axis, p_phi) * (*this);
+}
+
+void Basis::scale(const Vector3 &p_scale) {
+	elements[0][0] *= p_scale.x;
+	elements[0][1] *= p_scale.x;
+	elements[0][2] *= p_scale.x;
+	elements[1][0] *= p_scale.y;
+	elements[1][1] *= p_scale.y;
+	elements[1][2] *= p_scale.y;
+	elements[2][0] *= p_scale.z;
+	elements[2][1] *= p_scale.z;
+	elements[2][2] *= p_scale.z;
+}
+
+Basis Basis::scaled(const Vector3 &p_scale) const {
+	Basis b = *this;
+	b.scale(p_scale);
+	return b;
+}
+
+Vector3 Basis::get_scale() const {
+	// We are assuming M = R.S, and performing a polar decomposition to extract R and S.
+	// FIXME: We eventually need a proper polar decomposition.
+	// As a cheap workaround until then, to ensure that R is a proper rotation matrix with determinant +1
+	// (such that it can be represented by a Quat or Euler angles), we absorb the sign flip into the scaling matrix.
+	// As such, it works in conjuction with get_rotation().
+	real_t det_sign = determinant() > 0 ? 1 : -1;
+	return det_sign * Vector3(
+							  Vector3(elements[0][0], elements[1][0], elements[2][0]).length(),
+							  Vector3(elements[0][1], elements[1][1], elements[2][1]).length(),
+							  Vector3(elements[0][2], elements[1][2], elements[2][2]).length());
+}
+
+// TODO: implement this directly without using quaternions to make it more efficient
+Basis Basis::slerp(Basis b, float t) const {
+	ERR_FAIL_COND_V(!is_rotation(), Basis());
+	ERR_FAIL_COND_V(!b.is_rotation(), Basis());
+	Quat from(*this);
+	Quat to(b);
+	return Basis(from.slerp(to, t));
+}
+
+// get_euler_xyz returns a vector containing the Euler angles in the format
+// (a1,a2,a3), where a3 is the angle of the first rotation, and a1 is the last
+// (following the convention they are commonly defined in the literature).
+//
+// The current implementation uses XYZ convention (Z is the first rotation),
+// so euler.z is the angle of the (first) rotation around Z axis and so on,
+//
+// And thus, assuming the matrix is a rotation matrix, this function returns
+// the angles in the decomposition R = X(a1).Y(a2).Z(a3) where Z(a) rotates
+// around the z-axis by a and so on.
+Vector3 Basis::get_euler_xyz() const {
+	// Euler angles in XYZ convention.
+	// See https://en.wikipedia.org/wiki/Euler_angles#Rotation_matrix
+	//
+	// rot =  cy*cz          -cy*sz           sy
+	//        cz*sx*sy+cx*sz  cx*cz-sx*sy*sz -cy*sx
+	//       -cx*cz*sy+sx*sz  cz*sx+cx*sy*sz  cx*cy
+
+	Vector3 euler;
+
+	ERR_FAIL_COND_V(is_rotation() == false, euler);
+
+	real_t sy = elements[0][2];
+	if (sy < 1.0) {
+		if (sy > -1.0) {
+			// is this a pure Y rotation?
+			if (elements[1][0] == 0.0 && elements[0][1] == 0.0 && elements[1][2] == 0 && elements[2][1] == 0 && elements[1][1] == 1) {
+				// return the simplest form (human friendlier in editor and scripts)
+				euler.x = 0;
+				euler.y = atan2(elements[0][2], elements[0][0]);
+				euler.z = 0;
+			} else {
+				euler.x = ::atan2(-elements[1][2], elements[2][2]);
+				euler.y = ::asin(sy);
+				euler.z = ::atan2(-elements[0][1], elements[0][0]);
+			}
+		} else {
+			euler.x = -::atan2(elements[0][1], elements[1][1]);
+			euler.y = -Math_PI / 2.0;
+			euler.z = 0.0;
+		}
+	} else {
+		euler.x = ::atan2(elements[0][1], elements[1][1]);
+		euler.y = Math_PI / 2.0;
+		euler.z = 0.0;
+	}
+	return euler;
+}
+
+// set_euler_xyz expects a vector containing the Euler angles in the format
+// (ax,ay,az), where ax is the angle of rotation around x axis,
+// and similar for other axes.
+// The current implementation uses XYZ convention (Z is the first rotation).
+void Basis::set_euler_xyz(const Vector3 &p_euler) {
+	real_t c, s;
+
+	c = ::cos(p_euler.x);
+	s = ::sin(p_euler.x);
+	Basis xmat(1.0, 0.0, 0.0, 0.0, c, -s, 0.0, s, c);
+
+	c = ::cos(p_euler.y);
+	s = ::sin(p_euler.y);
+	Basis ymat(c, 0.0, s, 0.0, 1.0, 0.0, -s, 0.0, c);
+
+	c = ::cos(p_euler.z);
+	s = ::sin(p_euler.z);
+	Basis zmat(c, -s, 0.0, s, c, 0.0, 0.0, 0.0, 1.0);
+
+	//optimizer will optimize away all this anyway
+	*this = xmat * (ymat * zmat);
+}
+
+// get_euler_yxz returns a vector containing the Euler angles in the YXZ convention,
+// as in first-Z, then-X, last-Y. The angles for X, Y, and Z rotations are returned
+// as the x, y, and z components of a Vector3 respectively.
+Vector3 Basis::get_euler_yxz() const {
+	// Euler angles in YXZ convention.
+	// See https://en.wikipedia.org/wiki/Euler_angles#Rotation_matrix
+	//
+	// rot =  cy*cz+sy*sx*sz    cz*sy*sx-cy*sz        cx*sy
+	//        cx*sz             cx*cz                 -sx
+	//        cy*sx*sz-cz*sy    cy*cz*sx+sy*sz        cy*cx
+
+	Vector3 euler;
+
+	ERR_FAIL_COND_V(is_rotation() == false, euler);
+
+	real_t m12 = elements[1][2];
+
+	if (m12 < 1) {
+		if (m12 > -1) {
+			// is this a pure X rotation?
+			if (elements[1][0] == 0 && elements[0][1] == 0 && elements[0][2] == 0 && elements[2][0] == 0 && elements[0][0] == 1) {
+				// return the simplest form (human friendlier in editor and scripts)
+				euler.x = atan2(-m12, elements[1][1]);
+				euler.y = 0;
+				euler.z = 0;
+			} else {
+				euler.x = asin(-m12);
+				euler.y = atan2(elements[0][2], elements[2][2]);
+				euler.z = atan2(elements[1][0], elements[1][1]);
+			}
+		} else { // m12 == -1
+			euler.x = Math_PI * 0.5;
+			euler.y = -atan2(-elements[0][1], elements[0][0]);
+			euler.z = 0;
+		}
+	} else { // m12 == 1
+		euler.x = -Math_PI * 0.5;
+		euler.y = -atan2(-elements[0][1], elements[0][0]);
+		euler.z = 0;
+	}
+
+	return euler;
+}
+
+// set_euler_yxz expects a vector containing the Euler angles in the format
+// (ax,ay,az), where ax is the angle of rotation around x axis,
+// and similar for other axes.
+// The current implementation uses YXZ convention (Z is the first rotation).
+void Basis::set_euler_yxz(const Vector3 &p_euler) {
+	real_t c, s;
+
+	c = ::cos(p_euler.x);
+	s = ::sin(p_euler.x);
+	Basis xmat(1.0, 0.0, 0.0, 0.0, c, -s, 0.0, s, c);
+
+	c = ::cos(p_euler.y);
+	s = ::sin(p_euler.y);
+	Basis ymat(c, 0.0, s, 0.0, 1.0, 0.0, -s, 0.0, c);
+
+	c = ::cos(p_euler.z);
+	s = ::sin(p_euler.z);
+	Basis zmat(c, -s, 0.0, s, c, 0.0, 0.0, 0.0, 1.0);
+
+	//optimizer will optimize away all this anyway
+	*this = ymat * xmat * zmat;
+}
+
+// transposed dot products
+real_t Basis::tdotx(const Vector3 &v) const {
+	return elements[0][0] * v[0] + elements[1][0] * v[1] + elements[2][0] * v[2];
+}
+real_t Basis::tdoty(const Vector3 &v) const {
+	return elements[0][1] * v[0] + elements[1][1] * v[1] + elements[2][1] * v[2];
+}
+real_t Basis::tdotz(const Vector3 &v) const {
+	return elements[0][2] * v[0] + elements[1][2] * v[1] + elements[2][2] * v[2];
+}
+
+bool Basis::operator==(const Basis &p_matrix) const {
+	for (int i = 0; i < 3; i++) {
+		for (int j = 0; j < 3; j++) {
+			if (elements[i][j] != p_matrix.elements[i][j])
+				return false;
+		}
+	}
+
+	return true;
+}
+
+bool Basis::operator!=(const Basis &p_matrix) const {
+	return (!(*this == p_matrix));
+}
+
+Vector3 Basis::xform(const Vector3 &p_vector) const {
+	return Vector3(
+			elements[0].dot(p_vector),
+			elements[1].dot(p_vector),
+			elements[2].dot(p_vector));
+}
+
+Vector3 Basis::xform_inv(const Vector3 &p_vector) const {
+	return Vector3(
+			(elements[0][0] * p_vector.x) + (elements[1][0] * p_vector.y) + (elements[2][0] * p_vector.z),
+			(elements[0][1] * p_vector.x) + (elements[1][1] * p_vector.y) + (elements[2][1] * p_vector.z),
+			(elements[0][2] * p_vector.x) + (elements[1][2] * p_vector.y) + (elements[2][2] * p_vector.z));
+}
+void Basis::operator*=(const Basis &p_matrix) {
+	set(
+			p_matrix.tdotx(elements[0]), p_matrix.tdoty(elements[0]), p_matrix.tdotz(elements[0]),
+			p_matrix.tdotx(elements[1]), p_matrix.tdoty(elements[1]), p_matrix.tdotz(elements[1]),
+			p_matrix.tdotx(elements[2]), p_matrix.tdoty(elements[2]), p_matrix.tdotz(elements[2]));
+}
+
+Basis Basis::operator*(const Basis &p_matrix) const {
+	return Basis(
+			p_matrix.tdotx(elements[0]), p_matrix.tdoty(elements[0]), p_matrix.tdotz(elements[0]),
+			p_matrix.tdotx(elements[1]), p_matrix.tdoty(elements[1]), p_matrix.tdotz(elements[1]),
+			p_matrix.tdotx(elements[2]), p_matrix.tdoty(elements[2]), p_matrix.tdotz(elements[2]));
+}
+
+void Basis::operator+=(const Basis &p_matrix) {
+	elements[0] += p_matrix.elements[0];
+	elements[1] += p_matrix.elements[1];
+	elements[2] += p_matrix.elements[2];
+}
+
+Basis Basis::operator+(const Basis &p_matrix) const {
+	Basis ret(*this);
+	ret += p_matrix;
+	return ret;
+}
+
+void Basis::operator-=(const Basis &p_matrix) {
+	elements[0] -= p_matrix.elements[0];
+	elements[1] -= p_matrix.elements[1];
+	elements[2] -= p_matrix.elements[2];
+}
+
+Basis Basis::operator-(const Basis &p_matrix) const {
+	Basis ret(*this);
+	ret -= p_matrix;
+	return ret;
+}
+
+void Basis::operator*=(real_t p_val) {
+	elements[0] *= p_val;
+	elements[1] *= p_val;
+	elements[2] *= p_val;
+}
+
+Basis Basis::operator*(real_t p_val) const {
+	Basis ret(*this);
+	ret *= p_val;
+	return ret;
+}
+
+Basis::operator String() const {
+	String s;
+	for (int i = 0; i < 3; i++) {
+		for (int j = 0; j < 3; j++) {
+			if (i != 0 || j != 0)
+				s += ", ";
+
+			s += String::num(elements[i][j]);
+		}
+	}
+	return s;
+}
+
+/* create / set */
+
+void Basis::set(real_t xx, real_t xy, real_t xz, real_t yx, real_t yy, real_t yz, real_t zx, real_t zy, real_t zz) {
+	elements[0][0] = xx;
+	elements[0][1] = xy;
+	elements[0][2] = xz;
+	elements[1][0] = yx;
+	elements[1][1] = yy;
+	elements[1][2] = yz;
+	elements[2][0] = zx;
+	elements[2][1] = zy;
+	elements[2][2] = zz;
+}
+Vector3 Basis::get_column(int i) const {
+	return Vector3(elements[0][i], elements[1][i], elements[2][i]);
+}
+
+Vector3 Basis::get_row(int i) const {
+	return Vector3(elements[i][0], elements[i][1], elements[i][2]);
+}
+Vector3 Basis::get_main_diagonal() const {
+	return Vector3(elements[0][0], elements[1][1], elements[2][2]);
+}
+
+void Basis::set_row(int i, const Vector3 &p_row) {
+	elements[i][0] = p_row.x;
+	elements[i][1] = p_row.y;
+	elements[i][2] = p_row.z;
+}
+
+Basis Basis::transpose_xform(const Basis &m) const {
+	return Basis(
+			elements[0].x * m[0].x + elements[1].x * m[1].x + elements[2].x * m[2].x,
+			elements[0].x * m[0].y + elements[1].x * m[1].y + elements[2].x * m[2].y,
+			elements[0].x * m[0].z + elements[1].x * m[1].z + elements[2].x * m[2].z,
+			elements[0].y * m[0].x + elements[1].y * m[1].x + elements[2].y * m[2].x,
+			elements[0].y * m[0].y + elements[1].y * m[1].y + elements[2].y * m[2].y,
+			elements[0].y * m[0].z + elements[1].y * m[1].z + elements[2].y * m[2].z,
+			elements[0].z * m[0].x + elements[1].z * m[1].x + elements[2].z * m[2].x,
+			elements[0].z * m[0].y + elements[1].z * m[1].y + elements[2].z * m[2].y,
+			elements[0].z * m[0].z + elements[1].z * m[1].z + elements[2].z * m[2].z);
+}
+
+void Basis::orthonormalize() {
+	ERR_FAIL_COND(determinant() == 0);
+
+	// Gram-Schmidt Process
+
+	Vector3 x = get_axis(0);
+	Vector3 y = get_axis(1);
+	Vector3 z = get_axis(2);
+
+	x.normalize();
+	y = (y - x * (x.dot(y)));
+	y.normalize();
+	z = (z - x * (x.dot(z)) - y * (y.dot(z)));
+	z.normalize();
+
+	set_axis(0, x);
+	set_axis(1, y);
+	set_axis(2, z);
+}
+
+Basis Basis::orthonormalized() const {
+	Basis b = *this;
+	b.orthonormalize();
+	return b;
+}
+
+bool Basis::is_symmetric() const {
+	if (::fabs(elements[0][1] - elements[1][0]) > CMP_EPSILON)
+		return false;
+	if (::fabs(elements[0][2] - elements[2][0]) > CMP_EPSILON)
+		return false;
+	if (::fabs(elements[1][2] - elements[2][1]) > CMP_EPSILON)
+		return false;
+
+	return true;
+}
+
+Basis Basis::diagonalize() {
+	// I love copy paste
+
+	if (!is_symmetric())
+		return Basis();
+
+	const int ite_max = 1024;
+
+	real_t off_matrix_norm_2 = elements[0][1] * elements[0][1] + elements[0][2] * elements[0][2] + elements[1][2] * elements[1][2];
+
+	int ite = 0;
+	Basis acc_rot;
+	while (off_matrix_norm_2 > CMP_EPSILON2 && ite++ < ite_max) {
+		real_t el01_2 = elements[0][1] * elements[0][1];
+		real_t el02_2 = elements[0][2] * elements[0][2];
+		real_t el12_2 = elements[1][2] * elements[1][2];
+		// Find the pivot element
+		int i, j;
+		if (el01_2 > el02_2) {
+			if (el12_2 > el01_2) {
+				i = 1;
+				j = 2;
+			} else {
+				i = 0;
+				j = 1;
+			}
+		} else {
+			if (el12_2 > el02_2) {
+				i = 1;
+				j = 2;
+			} else {
+				i = 0;
+				j = 2;
+			}
+		}
+
+		// Compute the rotation angle
+		real_t angle;
+		if (::fabs(elements[j][j] - elements[i][i]) < CMP_EPSILON) {
+			angle = Math_PI / 4;
+		} else {
+			angle = 0.5 * ::atan(2 * elements[i][j] / (elements[j][j] - elements[i][i]));
+		}
+
+		// Compute the rotation matrix
+		Basis rot;
+		rot.elements[i][i] = rot.elements[j][j] = ::cos(angle);
+		rot.elements[i][j] = -(rot.elements[j][i] = ::sin(angle));
+
+		// Update the off matrix norm
+		off_matrix_norm_2 -= elements[i][j] * elements[i][j];
+
+		// Apply the rotation
+		*this = rot * *this * rot.transposed();
+		acc_rot = rot * acc_rot;
+	}
+
+	return acc_rot;
+}
+
+static const Basis _ortho_bases[24] = {
+	Basis(1, 0, 0, 0, 1, 0, 0, 0, 1),
+	Basis(0, -1, 0, 1, 0, 0, 0, 0, 1),
+	Basis(-1, 0, 0, 0, -1, 0, 0, 0, 1),
+	Basis(0, 1, 0, -1, 0, 0, 0, 0, 1),
+	Basis(1, 0, 0, 0, 0, -1, 0, 1, 0),
+	Basis(0, 0, 1, 1, 0, 0, 0, 1, 0),
+	Basis(-1, 0, 0, 0, 0, 1, 0, 1, 0),
+	Basis(0, 0, -1, -1, 0, 0, 0, 1, 0),
+	Basis(1, 0, 0, 0, -1, 0, 0, 0, -1),
+	Basis(0, 1, 0, 1, 0, 0, 0, 0, -1),
+	Basis(-1, 0, 0, 0, 1, 0, 0, 0, -1),
+	Basis(0, -1, 0, -1, 0, 0, 0, 0, -1),
+	Basis(1, 0, 0, 0, 0, 1, 0, -1, 0),
+	Basis(0, 0, -1, 1, 0, 0, 0, -1, 0),
+	Basis(-1, 0, 0, 0, 0, -1, 0, -1, 0),
+	Basis(0, 0, 1, -1, 0, 0, 0, -1, 0),
+	Basis(0, 0, 1, 0, 1, 0, -1, 0, 0),
+	Basis(0, -1, 0, 0, 0, 1, -1, 0, 0),
+	Basis(0, 0, -1, 0, -1, 0, -1, 0, 0),
+	Basis(0, 1, 0, 0, 0, -1, -1, 0, 0),
+	Basis(0, 0, 1, 0, -1, 0, 1, 0, 0),
+	Basis(0, 1, 0, 0, 0, 1, 1, 0, 0),
+	Basis(0, 0, -1, 0, 1, 0, 1, 0, 0),
+	Basis(0, -1, 0, 0, 0, -1, 1, 0, 0)
+};
+
+int Basis::get_orthogonal_index() const {
+	//could be sped up if i come up with a way
+	Basis orth = *this;
+	for (int i = 0; i < 3; i++) {
+		for (int j = 0; j < 3; j++) {
+			real_t v = orth[i][j];
+			if (v > 0.5)
+				v = 1.0;
+			else if (v < -0.5)
+				v = -1.0;
+			else
+				v = 0;
+
+			orth[i][j] = v;
+		}
+	}
+
+	for (int i = 0; i < 24; i++) {
+		if (_ortho_bases[i] == orth)
+			return i;
+	}
+
+	return 0;
+}
+
+void Basis::set_orthogonal_index(int p_index) {
+	//there only exist 24 orthogonal bases in r3
+	ERR_FAIL_COND(p_index >= 24);
+
+	*this = _ortho_bases[p_index];
+}
+
+Basis::Basis(const Vector3 &p_euler) {
+	set_euler(p_euler);
+}
+
+} // namespace godot
+
+#include "Quat.hpp"
+
+namespace godot {
+
+Basis::Basis(const Quat &p_quat) {
+	real_t d = p_quat.length_squared();
+	real_t s = 2.0 / d;
+	real_t xs = p_quat.x * s, ys = p_quat.y * s, zs = p_quat.z * s;
+	real_t wx = p_quat.w * xs, wy = p_quat.w * ys, wz = p_quat.w * zs;
+	real_t xx = p_quat.x * xs, xy = p_quat.x * ys, xz = p_quat.x * zs;
+	real_t yy = p_quat.y * ys, yz = p_quat.y * zs, zz = p_quat.z * zs;
+	set(1.0 - (yy + zz), xy - wz, xz + wy,
+			xy + wz, 1.0 - (xx + zz), yz - wx,
+			xz - wy, yz + wx, 1.0 - (xx + yy));
+}
+
+Basis::Basis(const Vector3 &p_axis, real_t p_phi) {
+	// Rotation matrix from axis and angle, see https://en.wikipedia.org/wiki/Rotation_matrix#Rotation_matrix_from_axis_and_angle
+
+	Vector3 axis_sq(p_axis.x * p_axis.x, p_axis.y * p_axis.y, p_axis.z * p_axis.z);
+
+	real_t cosine = ::cos(p_phi);
+	real_t sine = ::sin(p_phi);
+
+	elements[0][0] = axis_sq.x + cosine * (1.0 - axis_sq.x);
+	elements[0][1] = p_axis.x * p_axis.y * (1.0 - cosine) - p_axis.z * sine;
+	elements[0][2] = p_axis.z * p_axis.x * (1.0 - cosine) + p_axis.y * sine;
+
+	elements[1][0] = p_axis.x * p_axis.y * (1.0 - cosine) + p_axis.z * sine;
+	elements[1][1] = axis_sq.y + cosine * (1.0 - axis_sq.y);
+	elements[1][2] = p_axis.y * p_axis.z * (1.0 - cosine) - p_axis.x * sine;
+
+	elements[2][0] = p_axis.z * p_axis.x * (1.0 - cosine) - p_axis.y * sine;
+	elements[2][1] = p_axis.y * p_axis.z * (1.0 - cosine) + p_axis.x * sine;
+	elements[2][2] = axis_sq.z + cosine * (1.0 - axis_sq.z);
+}
+
+Basis::operator Quat() const {
+	//commenting this check because precision issues cause it to fail when it shouldn't
+	//ERR_FAIL_COND_V(is_rotation() == false, Quat());
+
+	real_t trace = elements[0][0] + elements[1][1] + elements[2][2];
+	real_t temp[4];
+
+	if (trace > 0.0) {
+		real_t s = ::sqrt(trace + 1.0);
+		temp[3] = (s * 0.5);
+		s = 0.5 / s;
+
+		temp[0] = ((elements[2][1] - elements[1][2]) * s);
+		temp[1] = ((elements[0][2] - elements[2][0]) * s);
+		temp[2] = ((elements[1][0] - elements[0][1]) * s);
+	} else {
+		int i = elements[0][0] < elements[1][1] ?
+						  (elements[1][1] < elements[2][2] ? 2 : 1) :
+						  (elements[0][0] < elements[2][2] ? 2 : 0);
+		int j = (i + 1) % 3;
+		int k = (i + 2) % 3;
+
+		real_t s = ::sqrt(elements[i][i] - elements[j][j] - elements[k][k] + 1.0);
+		temp[i] = s * 0.5;
+		s = 0.5 / s;
+
+		temp[3] = (elements[k][j] - elements[j][k]) * s;
+		temp[j] = (elements[j][i] + elements[i][j]) * s;
+		temp[k] = (elements[k][i] + elements[i][k]) * s;
+	}
+
+	return Quat(temp[0], temp[1], temp[2], temp[3]);
+}
+
+} // namespace godot

src/core/CameraMatrix.cpp

@@ -0,0 +1,655 @@
+/*************************************************************************/
+/*  CameraMatrix.cpp                                                     */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                      https://godotengine.org                          */
+/*************************************************************************/
+/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur.                 */
+/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md).   */
+/*                                                                       */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the       */
+/* "Software"), to deal in the Software without restriction, including   */
+/* without limitation the rights to use, copy, modify, merge, publish,   */
+/* distribute, sublicense, and/or sell copies of the Software, and to    */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions:                                             */
+/*                                                                       */
+/* The above copyright notice and this permission notice shall be        */
+/* included in all copies or substantial portions of the Software.       */
+/*                                                                       */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
+/*************************************************************************/
+
+#include "CameraMatrix.hpp"
+
+void CameraMatrix::set_identity() {
+	for (int i = 0; i < 4; i++) {
+		for (int j = 0; j < 4; j++) {
+			matrix[i][j] = (i == j) ? 1 : 0;
+		}
+	}
+}
+
+void CameraMatrix::set_zero() {
+	for (int i = 0; i < 4; i++) {
+		for (int j = 0; j < 4; j++) {
+			matrix[i][j] = 0;
+		}
+	}
+}
+
+Plane CameraMatrix::xform4(const Plane &p_vec4) const {
+	Plane ret;
+
+	ret.normal.x = matrix[0][0] * p_vec4.normal.x + matrix[1][0] * p_vec4.normal.y + matrix[2][0] * p_vec4.normal.z + matrix[3][0] * p_vec4.d;
+	ret.normal.y = matrix[0][1] * p_vec4.normal.x + matrix[1][1] * p_vec4.normal.y + matrix[2][1] * p_vec4.normal.z + matrix[3][1] * p_vec4.d;
+	ret.normal.z = matrix[0][2] * p_vec4.normal.x + matrix[1][2] * p_vec4.normal.y + matrix[2][2] * p_vec4.normal.z + matrix[3][2] * p_vec4.d;
+	ret.d = matrix[0][3] * p_vec4.normal.x + matrix[1][3] * p_vec4.normal.y + matrix[2][3] * p_vec4.normal.z + matrix[3][3] * p_vec4.d;
+	return ret;
+}
+
+void CameraMatrix::set_perspective(real_t p_fovy_degrees, real_t p_aspect, real_t p_z_near, real_t p_z_far, bool p_flip_fov) {
+	if (p_flip_fov) {
+		p_fovy_degrees = get_fovy(p_fovy_degrees, 1.0 / p_aspect);
+	}
+
+	real_t sine, cotangent, deltaZ;
+	real_t radians = p_fovy_degrees / 2.0 * Math_PI / 180.0;
+
+	deltaZ = p_z_far - p_z_near;
+	sine = sin(radians);
+
+	if ((deltaZ == 0) || (sine == 0) || (p_aspect == 0)) {
+		return;
+	}
+	cotangent = cos(radians) / sine;
+
+	set_identity();
+
+	matrix[0][0] = cotangent / p_aspect;
+	matrix[1][1] = cotangent;
+	matrix[2][2] = -(p_z_far + p_z_near) / deltaZ;
+	matrix[2][3] = -1;
+	matrix[3][2] = -2 * p_z_near * p_z_far / deltaZ;
+	matrix[3][3] = 0;
+}
+
+void CameraMatrix::set_perspective(real_t p_fovy_degrees, real_t p_aspect, real_t p_z_near, real_t p_z_far, bool p_flip_fov, int p_eye, real_t p_intraocular_dist, real_t p_convergence_dist) {
+	if (p_flip_fov) {
+		p_fovy_degrees = get_fovy(p_fovy_degrees, 1.0 / p_aspect);
+	}
+
+	real_t left, right, modeltranslation, ymax, xmax, frustumshift;
+
+	ymax = p_z_near * tan(p_fovy_degrees * Math_PI / 360.0f);
+	xmax = ymax * p_aspect;
+	frustumshift = (p_intraocular_dist / 2.0) * p_z_near / p_convergence_dist;
+
+	switch (p_eye) {
+		case 1: { // left eye
+			left = -xmax + frustumshift;
+			right = xmax + frustumshift;
+			modeltranslation = p_intraocular_dist / 2.0;
+		}; break;
+		case 2: { // right eye
+			left = -xmax - frustumshift;
+			right = xmax - frustumshift;
+			modeltranslation = -p_intraocular_dist / 2.0;
+		}; break;
+		default: { // mono, should give the same result as set_perspective(p_fovy_degrees,p_aspect,p_z_near,p_z_far,p_flip_fov)
+			left = -xmax;
+			right = xmax;
+			modeltranslation = 0.0;
+		}; break;
+	};
+
+	set_frustum(left, right, -ymax, ymax, p_z_near, p_z_far);
+
+	// translate matrix by (modeltranslation, 0.0, 0.0)
+	CameraMatrix cm;
+	cm.set_identity();
+	cm.matrix[3][0] = modeltranslation;
+	*this = *this * cm;
+}
+
+void CameraMatrix::set_for_hmd(int p_eye, real_t p_aspect, real_t p_intraocular_dist, real_t p_display_width, real_t p_display_to_lens, real_t p_oversample, real_t p_z_near, real_t p_z_far) {
+	// we first calculate our base frustum on our values without taking our lens magnification into account.
+	real_t f1 = (p_intraocular_dist * 0.5) / p_display_to_lens;
+	real_t f2 = ((p_display_width - p_intraocular_dist) * 0.5) / p_display_to_lens;
+	real_t f3 = (p_display_width / 4.0) / p_display_to_lens;
+
+	// now we apply our oversample factor to increase our FOV. how much we oversample is always a balance we strike between performance and how much
+	// we're willing to sacrifice in FOV.
+	real_t add = ((f1 + f2) * (p_oversample - 1.0)) / 2.0;
+	f1 += add;
+	f2 += add;
+	f3 *= p_oversample;
+
+	// always apply KEEP_WIDTH aspect ratio
+	f3 /= p_aspect;
+
+	switch (p_eye) {
+		case 1: { // left eye
+			set_frustum(-f2 * p_z_near, f1 * p_z_near, -f3 * p_z_near, f3 * p_z_near, p_z_near, p_z_far);
+		}; break;
+		case 2: { // right eye
+			set_frustum(-f1 * p_z_near, f2 * p_z_near, -f3 * p_z_near, f3 * p_z_near, p_z_near, p_z_far);
+		}; break;
+		default: { // mono, does not apply here!
+		}; break;
+	};
+};
+
+void CameraMatrix::set_orthogonal(real_t p_left, real_t p_right, real_t p_bottom, real_t p_top, real_t p_znear, real_t p_zfar) {
+	set_identity();
+
+	matrix[0][0] = 2.0 / (p_right - p_left);
+	matrix[3][0] = -((p_right + p_left) / (p_right - p_left));
+	matrix[1][1] = 2.0 / (p_top - p_bottom);
+	matrix[3][1] = -((p_top + p_bottom) / (p_top - p_bottom));
+	matrix[2][2] = -2.0 / (p_zfar - p_znear);
+	matrix[3][2] = -((p_zfar + p_znear) / (p_zfar - p_znear));
+	matrix[3][3] = 1.0;
+}
+
+void CameraMatrix::set_orthogonal(real_t p_size, real_t p_aspect, real_t p_znear, real_t p_zfar, bool p_flip_fov) {
+	if (!p_flip_fov) {
+		p_size *= p_aspect;
+	}
+
+	set_orthogonal(-p_size / 2, +p_size / 2, -p_size / p_aspect / 2, +p_size / p_aspect / 2, p_znear, p_zfar);
+}
+
+void CameraMatrix::set_frustum(real_t p_left, real_t p_right, real_t p_bottom, real_t p_top, real_t p_near, real_t p_far) {
+	ERR_FAIL_COND(p_right <= p_left);
+	ERR_FAIL_COND(p_top <= p_bottom);
+	ERR_FAIL_COND(p_far <= p_near);
+
+	real_t *te = &matrix[0][0];
+	real_t x = 2 * p_near / (p_right - p_left);
+	real_t y = 2 * p_near / (p_top - p_bottom);
+
+	real_t a = (p_right + p_left) / (p_right - p_left);
+	real_t b = (p_top + p_bottom) / (p_top - p_bottom);
+	real_t c = -(p_far + p_near) / (p_far - p_near);
+	real_t d = -2 * p_far * p_near / (p_far - p_near);
+
+	te[0] = x;
+	te[1] = 0;
+	te[2] = 0;
+	te[3] = 0;
+	te[4] = 0;
+	te[5] = y;
+	te[6] = 0;
+	te[7] = 0;
+	te[8] = a;
+	te[9] = b;
+	te[10] = c;
+	te[11] = -1;
+	te[12] = 0;
+	te[13] = 0;
+	te[14] = d;
+	te[15] = 0;
+}
+
+void CameraMatrix::set_frustum(real_t p_size, real_t p_aspect, Vector2 p_offset, real_t p_near, real_t p_far, bool p_flip_fov) {
+	if (!p_flip_fov) {
+		p_size *= p_aspect;
+	}
+
+	set_frustum(-p_size / 2 + p_offset.x, +p_size / 2 + p_offset.x, -p_size / p_aspect / 2 + p_offset.y, +p_size / p_aspect / 2 + p_offset.y, p_near, p_far);
+}
+
+real_t CameraMatrix::get_z_far() const {
+	const real_t *matrix = (const real_t *)this->matrix;
+	Plane new_plane = Plane(matrix[3] - matrix[2],
+			matrix[7] - matrix[6],
+			matrix[11] - matrix[10],
+			matrix[15] - matrix[14]);
+
+	new_plane.normal = -new_plane.normal;
+	new_plane.normalize();
+
+	return new_plane.d;
+}
+real_t CameraMatrix::get_z_near() const {
+	const real_t *matrix = (const real_t *)this->matrix;
+	Plane new_plane = Plane(matrix[3] + matrix[2],
+			matrix[7] + matrix[6],
+			matrix[11] + matrix[10],
+			-matrix[15] - matrix[14]);
+
+	new_plane.normalize();
+	return new_plane.d;
+}
+
+Vector2 CameraMatrix::get_viewport_half_extents() const {
+	const real_t *matrix = (const real_t *)this->matrix;
+	///////--- Near Plane ---///////
+	Plane near_plane = Plane(matrix[3] + matrix[2],
+			matrix[7] + matrix[6],
+			matrix[11] + matrix[10],
+			-matrix[15] - matrix[14]);
+	near_plane.normalize();
+
+	///////--- Right Plane ---///////
+	Plane right_plane = Plane(matrix[3] - matrix[0],
+			matrix[7] - matrix[4],
+			matrix[11] - matrix[8],
+			-matrix[15] + matrix[12]);
+	right_plane.normalize();
+
+	Plane top_plane = Plane(matrix[3] - matrix[1],
+			matrix[7] - matrix[5],
+			matrix[11] - matrix[9],
+			-matrix[15] + matrix[13]);
+	top_plane.normalize();
+
+	Vector3 res;
+	near_plane.intersect_3(right_plane, top_plane, &res);
+
+	return Vector2(res.x, res.y);
+}
+
+bool CameraMatrix::get_endpoints(const Transform &p_transform, Vector3 *p_8points) const {
+	std::vector<Plane> planes = get_projection_planes(Transform());
+	const Planes intersections[8][3] = {
+		{ PLANE_FAR, PLANE_LEFT, PLANE_TOP },
+		{ PLANE_FAR, PLANE_LEFT, PLANE_BOTTOM },
+		{ PLANE_FAR, PLANE_RIGHT, PLANE_TOP },
+		{ PLANE_FAR, PLANE_RIGHT, PLANE_BOTTOM },
+		{ PLANE_NEAR, PLANE_LEFT, PLANE_TOP },
+		{ PLANE_NEAR, PLANE_LEFT, PLANE_BOTTOM },
+		{ PLANE_NEAR, PLANE_RIGHT, PLANE_TOP },
+		{ PLANE_NEAR, PLANE_RIGHT, PLANE_BOTTOM },
+	};
+
+	for (int i = 0; i < 8; i++) {
+		Vector3 point;
+		bool res = planes[intersections[i][0]].intersect_3(planes[intersections[i][1]], planes[intersections[i][2]], &point);
+		ERR_FAIL_COND_V(!res, false);
+		p_8points[i] = p_transform.xform(point);
+	}
+
+	return true;
+}
+
+std::vector<Plane> CameraMatrix::get_projection_planes(const Transform &p_transform) const {
+	/** Fast Plane Extraction from combined modelview/projection matrices.
+	 * References:
+	 * https://web.archive.org/web/20011221205252/http://www.markmorley.com/opengl/frustumculling.html
+	 * https://web.archive.org/web/20061020020112/http://www2.ravensoft.com/users/ggribb/plane%20extraction.pdf
+	 */
+
+	std::vector<Plane> planes;
+
+	const real_t *matrix = (const real_t *)this->matrix;
+
+	Plane new_plane;
+
+	///////--- Near Plane ---///////
+	new_plane = Plane(matrix[3] + matrix[2],
+			matrix[7] + matrix[6],
+			matrix[11] + matrix[10],
+			matrix[15] + matrix[14]);
+
+	new_plane.normal = -new_plane.normal;
+	new_plane.normalize();
+
+	planes.push_back(p_transform.xform(new_plane));
+
+	///////--- Far Plane ---///////
+	new_plane = Plane(matrix[3] - matrix[2],
+			matrix[7] - matrix[6],
+			matrix[11] - matrix[10],
+			matrix[15] - matrix[14]);
+
+	new_plane.normal = -new_plane.normal;
+	new_plane.normalize();
+
+	planes.push_back(p_transform.xform(new_plane));
+
+	///////--- Left Plane ---///////
+	new_plane = Plane(matrix[3] + matrix[0],
+			matrix[7] + matrix[4],
+			matrix[11] + matrix[8],
+			matrix[15] + matrix[12]);
+
+	new_plane.normal = -new_plane.normal;
+	new_plane.normalize();
+
+	planes.push_back(p_transform.xform(new_plane));
+
+	///////--- Top Plane ---///////
+	new_plane = Plane(matrix[3] - matrix[1],
+			matrix[7] - matrix[5],
+			matrix[11] - matrix[9],
+			matrix[15] - matrix[13]);
+
+	new_plane.normal = -new_plane.normal;
+	new_plane.normalize();
+
+	planes.push_back(p_transform.xform(new_plane));
+
+	///////--- Right Plane ---///////
+	new_plane = Plane(matrix[3] - matrix[0],
+			matrix[7] - matrix[4],
+			matrix[11] - matrix[8],
+			matrix[15] - matrix[12]);
+
+	new_plane.normal = -new_plane.normal;
+	new_plane.normalize();
+
+	planes.push_back(p_transform.xform(new_plane));
+
+	///////--- Bottom Plane ---///////
+	new_plane = Plane(matrix[3] + matrix[1],
+			matrix[7] + matrix[5],
+			matrix[11] + matrix[9],
+			matrix[15] + matrix[13]);
+
+	new_plane.normal = -new_plane.normal;
+	new_plane.normalize();
+
+	planes.push_back(p_transform.xform(new_plane));
+
+	return planes;
+}
+
+CameraMatrix CameraMatrix::inverse() const {
+	CameraMatrix cm = *this;
+	cm.invert();
+	return cm;
+}
+
+void CameraMatrix::invert() {
+	int i, j, k;
+	int pvt_i[4], pvt_j[4]; /* Locations of pivot matrix */
+	real_t pvt_val; /* Value of current pivot element */
+	real_t hold; /* Temporary storage */
+	real_t determinat; /* Determinant */
+
+	determinat = 1.0;
+	for (k = 0; k < 4; k++) {
+		/** Locate k'th pivot element **/
+		pvt_val = matrix[k][k]; /** Initialize for search **/
+		pvt_i[k] = k;
+		pvt_j[k] = k;
+		for (i = k; i < 4; i++) {
+			for (j = k; j < 4; j++) {
+				if (absd(matrix[i][j]) > absd(pvt_val)) {
+					pvt_i[k] = i;
+					pvt_j[k] = j;
+					pvt_val = matrix[i][j];
+				}
+			}
+		}
+
+		/** Product of pivots, gives determinant when finished **/
+		determinat *= pvt_val;
+		if (absd(determinat) < 1e-7) {
+			return; //(false);  /** Matrix is singular (zero determinant). **/
+		}
+
+		/** "Interchange" rows (with sign change stuff) **/
+		i = pvt_i[k];
+		if (i != k) { /** If rows are different **/
+			for (j = 0; j < 4; j++) {
+				hold = -matrix[k][j];
+				matrix[k][j] = matrix[i][j];
+				matrix[i][j] = hold;
+			}
+		}
+
+		/** "Interchange" columns **/
+		j = pvt_j[k];
+		if (j != k) { /** If columns are different **/
+			for (i = 0; i < 4; i++) {
+				hold = -matrix[i][k];
+				matrix[i][k] = matrix[i][j];
+				matrix[i][j] = hold;
+			}
+		}
+
+		/** Divide column by minus pivot value **/
+		for (i = 0; i < 4; i++) {
+			if (i != k)
+				matrix[i][k] /= (-pvt_val);
+		}
+
+		/** Reduce the matrix **/
+		for (i = 0; i < 4; i++) {
+			hold = matrix[i][k];
+			for (j = 0; j < 4; j++) {
+				if (i != k && j != k)
+					matrix[i][j] += hold * matrix[k][j];
+			}
+		}
+
+		/** Divide row by pivot **/
+		for (j = 0; j < 4; j++) {
+			if (j != k)
+				matrix[k][j] /= pvt_val;
+		}
+
+		/** Replace pivot by reciprocal (at last we can touch it). **/
+		matrix[k][k] = 1.0 / pvt_val;
+	}
+
+	/* That was most of the work, one final pass of row/column interchange */
+	/* to finish */
+	for (k = 4 - 2; k >= 0; k--) { /* Don't need to work with 1 by 1 corner*/
+		i = pvt_j[k]; /* Rows to swap correspond to pivot COLUMN */
+		if (i != k) { /* If rows are different */
+			for (j = 0; j < 4; j++) {
+				hold = matrix[k][j];
+				matrix[k][j] = -matrix[i][j];
+				matrix[i][j] = hold;
+			}
+		}
+
+		j = pvt_i[k]; /* Columns to swap correspond to pivot ROW */
+		if (j != k) /* If columns are different */
+			for (i = 0; i < 4; i++) {
+				hold = matrix[i][k];
+				matrix[i][k] = -matrix[i][j];
+				matrix[i][j] = hold;
+			}
+	}
+}
+
+CameraMatrix::CameraMatrix() {
+	set_identity();
+}
+
+CameraMatrix CameraMatrix::operator*(const CameraMatrix &p_matrix) const {
+	CameraMatrix new_matrix;
+
+	for (int j = 0; j < 4; j++) {
+		for (int i = 0; i < 4; i++) {
+			real_t ab = 0;
+			for (int k = 0; k < 4; k++)
+				ab += matrix[k][i] * p_matrix.matrix[j][k];
+			new_matrix.matrix[j][i] = ab;
+		}
+	}
+
+	return new_matrix;
+}
+
+void CameraMatrix::set_light_bias() {
+	real_t *m = &matrix[0][0];
+
+	m[0] = 0.5;
+	m[1] = 0.0;
+	m[2] = 0.0;
+	m[3] = 0.0;
+	m[4] = 0.0;
+	m[5] = 0.5;
+	m[6] = 0.0;
+	m[7] = 0.0;
+	m[8] = 0.0;
+	m[9] = 0.0;
+	m[10] = 0.5;
+	m[11] = 0.0;
+	m[12] = 0.5;
+	m[13] = 0.5;
+	m[14] = 0.5;
+	m[15] = 1.0;
+}
+
+void CameraMatrix::set_light_atlas_rect(const Rect2 &p_rect) {
+	real_t *m = &matrix[0][0];
+
+	m[0] = p_rect.size.width;
+	m[1] = 0.0;
+	m[2] = 0.0;
+	m[3] = 0.0;
+	m[4] = 0.0;
+	m[5] = p_rect.size.height;
+	m[6] = 0.0;
+	m[7] = 0.0;
+	m[8] = 0.0;
+	m[9] = 0.0;
+	m[10] = 1.0;
+	m[11] = 0.0;
+	m[12] = p_rect.position.x;
+	m[13] = p_rect.position.y;
+	m[14] = 0.0;
+	m[15] = 1.0;
+}
+
+CameraMatrix::operator String() const {
+	String str;
+	for (int i = 0; i < 4; i++)
+		for (int j = 0; j < 4; j++)
+			str += String((j > 0) ? ", " : "\n") + String::num(matrix[i][j]);
+
+	return str;
+}
+
+real_t CameraMatrix::get_aspect() const {
+	Vector2 vp_he = get_viewport_half_extents();
+	return vp_he.x / vp_he.y;
+}
+
+int CameraMatrix::get_pixels_per_meter(int p_for_pixel_width) const {
+	Vector3 result = xform(Vector3(1, 0, -1));
+
+	return int((result.x * 0.5 + 0.5) * p_for_pixel_width);
+}
+
+bool CameraMatrix::is_orthogonal() const {
+	return matrix[3][3] == 1.0;
+}
+
+real_t CameraMatrix::get_fov() const {
+	const real_t *matrix = (const real_t *)this->matrix;
+
+	Plane right_plane = Plane(matrix[3] - matrix[0],
+			matrix[7] - matrix[4],
+			matrix[11] - matrix[8],
+			-matrix[15] + matrix[12]);
+	right_plane.normalize();
+
+	if ((matrix[8] == 0) && (matrix[9] == 0)) {
+		return Math::rad2deg(acos(std::abs(right_plane.normal.x))) * 2.0;
+	} else {
+		// our frustum is asymmetrical need to calculate the left planes angle separately..
+		Plane left_plane = Plane(matrix[3] + matrix[0],
+				matrix[7] + matrix[4],
+				matrix[11] + matrix[8],
+				matrix[15] + matrix[12]);
+		left_plane.normalize();
+
+		return Math::rad2deg(acos(std::abs(left_plane.normal.x))) + Math::rad2deg(acos(std::abs(right_plane.normal.x)));
+	}
+}
+
+void CameraMatrix::make_scale(const Vector3 &p_scale) {
+	set_identity();
+	matrix[0][0] = p_scale.x;
+	matrix[1][1] = p_scale.y;
+	matrix[2][2] = p_scale.z;
+}
+
+void CameraMatrix::scale_translate_to_fit(const AABB &p_aabb) {
+	Vector3 min = p_aabb.position;
+	Vector3 max = p_aabb.position + p_aabb.size;
+
+	matrix[0][0] = 2 / (max.x - min.x);
+	matrix[1][0] = 0;
+	matrix[2][0] = 0;
+	matrix[3][0] = -(max.x + min.x) / (max.x - min.x);
+
+	matrix[0][1] = 0;
+	matrix[1][1] = 2 / (max.y - min.y);
+	matrix[2][1] = 0;
+	matrix[3][1] = -(max.y + min.y) / (max.y - min.y);
+
+	matrix[0][2] = 0;
+	matrix[1][2] = 0;
+	matrix[2][2] = 2 / (max.z - min.z);
+	matrix[3][2] = -(max.z + min.z) / (max.z - min.z);
+
+	matrix[0][3] = 0;
+	matrix[1][3] = 0;
+	matrix[2][3] = 0;
+	matrix[3][3] = 1;
+}
+
+CameraMatrix::operator Transform() const {
+	Transform tr;
+	const real_t *m = &matrix[0][0];
+
+	tr.basis.elements[0][0] = m[0];
+	tr.basis.elements[1][0] = m[1];
+	tr.basis.elements[2][0] = m[2];
+
+	tr.basis.elements[0][1] = m[4];
+	tr.basis.elements[1][1] = m[5];
+	tr.basis.elements[2][1] = m[6];
+
+	tr.basis.elements[0][2] = m[8];
+	tr.basis.elements[1][2] = m[9];
+	tr.basis.elements[2][2] = m[10];
+
+	tr.origin.x = m[12];
+	tr.origin.y = m[13];
+	tr.origin.z = m[14];
+
+	return tr;
+}
+
+CameraMatrix::CameraMatrix(const Transform &p_transform) {
+	const Transform &tr = p_transform;
+	real_t *m = &matrix[0][0];
+
+	m[0] = tr.basis.elements[0][0];
+	m[1] = tr.basis.elements[1][0];
+	m[2] = tr.basis.elements[2][0];
+	m[3] = 0.0;
+	m[4] = tr.basis.elements[0][1];
+	m[5] = tr.basis.elements[1][1];
+	m[6] = tr.basis.elements[2][1];
+	m[7] = 0.0;
+	m[8] = tr.basis.elements[0][2];
+	m[9] = tr.basis.elements[1][2];
+	m[10] = tr.basis.elements[2][2];
+	m[11] = 0.0;
+	m[12] = tr.origin.x;
+	m[13] = tr.origin.y;
+	m[14] = tr.origin.z;
+	m[15] = 1.0;
+}
+
+CameraMatrix::~CameraMatrix() {
+}

src/core/Color.cpp

@@ -0,0 +1,655 @@
+/*************************************************************************/
+/*  Color.cpp                                                            */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                      https://godotengine.org                          */
+/*************************************************************************/
+/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur.                 */
+/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md).   */
+/*                                                                       */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the       */
+/* "Software"), to deal in the Software without restriction, including   */
+/* without limitation the rights to use, copy, modify, merge, publish,   */
+/* distribute, sublicense, and/or sell copies of the Software, and to    */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions:                                             */
+/*                                                                       */
+/* The above copyright notice and this permission notice shall be        */
+/* included in all copies or substantial portions of the Software.       */
+/*                                                                       */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
+/*************************************************************************/
+
+#include "Color.hpp"
+#include "Defs.hpp"
+#include "String.hpp"
+
+#include <gdnative/color.h>
+#include <cmath>
+
+namespace godot {
+
+#define MIN(a, b) (a < b ? a : b)
+#define MAX(a, b) (a > b ? a : b)
+
+static String _to_hex(float p_val);
+
+static float _parse_col(const String &p_str, int p_ofs) {
+	int ig = 0;
+
+	for (int i = 0; i < 2; i++) {
+		int c = (int)(wchar_t)p_str[i + p_ofs];
+		int v = 0;
+
+		if (c >= '0' && c <= '9') {
+			v = c - '0';
+		} else if (c >= 'a' && c <= 'f') {
+			v = c - 'a';
+			v += 10;
+		} else if (c >= 'A' && c <= 'F') {
+			v = c - 'A';
+			v += 10;
+		} else {
+			return -1;
+		}
+
+		if (i == 0)
+			ig += v * 16;
+		else
+			ig += v;
+	}
+
+	return ig;
+}
+
+uint32_t Color::to_32() const {
+	uint32_t c = (uint8_t)(a * 255);
+	c <<= 8;
+	c |= (uint8_t)(r * 255);
+	c <<= 8;
+	c |= (uint8_t)(g * 255);
+	c <<= 8;
+	c |= (uint8_t)(b * 255);
+
+	return c;
+}
+
+uint32_t Color::to_ARGB32() const {
+	uint32_t c = (uint8_t)(a * 255);
+	c <<= 8;
+	c |= (uint8_t)(r * 255);
+	c <<= 8;
+	c |= (uint8_t)(g * 255);
+	c <<= 8;
+	c |= (uint8_t)(b * 255);
+
+	return c;
+}
+
+uint32_t Color::to_ABGR32() const {
+	uint32_t c = (uint8_t)(a * 255);
+	c <<= 8;
+	c |= (uint8_t)(b * 255);
+	c <<= 8;
+	c |= (uint8_t)(g * 255);
+	c <<= 8;
+	c |= (uint8_t)(r * 255);
+
+	return c;
+}
+
+uint64_t Color::to_ABGR64() const {
+	uint64_t c = (uint16_t)(a * 65535);
+	c <<= 16;
+	c |= (uint16_t)(b * 65535);
+	c <<= 16;
+	c |= (uint16_t)(g * 65535);
+	c <<= 16;
+	c |= (uint16_t)(r * 65535);
+
+	return c;
+}
+
+uint64_t Color::to_ARGB64() const {
+	uint64_t c = (uint16_t)(a * 65535);
+	c <<= 16;
+	c |= (uint16_t)(r * 65535);
+	c <<= 16;
+	c |= (uint16_t)(g * 65535);
+	c <<= 16;
+	c |= (uint16_t)(b * 65535);
+
+	return c;
+}
+
+uint32_t Color::to_RGBA32() const {
+	uint32_t c = (uint8_t)(r * 255);
+	c <<= 8;
+	c |= (uint8_t)(g * 255);
+	c <<= 8;
+	c |= (uint8_t)(b * 255);
+	c <<= 8;
+	c |= (uint8_t)(a * 255);
+
+	return c;
+}
+
+uint64_t Color::to_RGBA64() const {
+	uint64_t c = (uint16_t)(r * 65535);
+	c <<= 16;
+	c |= (uint16_t)(g * 65535);
+	c <<= 16;
+	c |= (uint16_t)(b * 65535);
+	c <<= 16;
+	c |= (uint16_t)(a * 65535);
+
+	return c;
+}
+
+float Color::gray() const {
+	return (r + g + b) / 3.0;
+}
+
+uint8_t Color::get_r8() const {
+	return (uint8_t)(r * 255.0);
+}
+
+uint8_t Color::get_g8() const {
+	return (uint8_t)(g * 255.0);
+}
+
+uint8_t Color::get_b8() const {
+	return (uint8_t)(b * 255.0);
+}
+
+uint8_t Color::get_a8() const {
+	return (uint8_t)(a * 255.0);
+}
+
+float Color::get_h() const {
+	float min = MIN(r, g);
+	min = MIN(min, b);
+	float max = MAX(r, g);
+	max = MAX(max, b);
+
+	float delta = max - min;
+
+	if (delta == 0)
+		return 0;
+
+	float h;
+	if (r == max)
+		h = (g - b) / delta; // between yellow & magenta
+	else if (g == max)
+		h = 2 + (b - r) / delta; // between cyan & yellow
+	else
+		h = 4 + (r - g) / delta; // between magenta & cyan
+
+	h /= 6.0;
+	if (h < 0)
+		h += 1.0;
+
+	return h;
+}
+
+float Color::get_s() const {
+	float min = MIN(r, g);
+	min = MIN(min, b);
+	float max = MAX(r, g);
+	max = MAX(max, b);
+	float delta = max - min;
+	return (max != 0) ? (delta / max) : 0;
+}
+
+float Color::get_v() const {
+	float max = MAX(r, g);
+	max = MAX(max, b);
+	return max;
+}
+
+void Color::set_hsv(float p_h, float p_s, float p_v, float p_alpha) {
+	int i;
+	float f, p, q, t;
+	a = p_alpha;
+
+	if (p_s == 0) {
+		// acp_hromatic (grey)
+		r = g = b = p_v;
+		return;
+	}
+
+	p_h *= 6.0;
+	p_h = ::fmod(p_h, 6);
+	i = ::floor(p_h);
+
+	f = p_h - i;
+	p = p_v * (1 - p_s);
+	q = p_v * (1 - p_s * f);
+	t = p_v * (1 - p_s * (1 - f));
+
+	switch (i) {
+		case 0: // Red is the dominant color
+			r = p_v;
+			g = t;
+			b = p;
+			break;
+		case 1: // Green is the dominant color
+			r = q;
+			g = p_v;
+			b = p;
+			break;
+		case 2:
+			r = p;
+			g = p_v;
+			b = t;
+			break;
+		case 3: // Blue is the dominant color
+			r = p;
+			g = q;
+			b = p_v;
+			break;
+		case 4:
+			r = t;
+			g = p;
+			b = p_v;
+			break;
+		default: // (5) Red is the dominant color
+			r = p_v;
+			g = p;
+			b = q;
+			break;
+	}
+}
+
+Color Color::darkened(const float p_amount) const {
+	Color res = *this;
+	res.r = res.r * (1.0f - p_amount);
+	res.g = res.g * (1.0f - p_amount);
+	res.b = res.b * (1.0f - p_amount);
+	return res;
+}
+
+Color Color::lightened(const float p_amount) const {
+	Color res = *this;
+	res.r = res.r + (1.0f - res.r) * p_amount;
+	res.g = res.g + (1.0f - res.g) * p_amount;
+	res.b = res.b + (1.0f - res.b) * p_amount;
+	return res;
+}
+
+Color Color::from_hsv(float p_h, float p_s, float p_v, float p_a) const {
+	p_h = ::fmod(p_h * 360.0f, 360.0f);
+	if (p_h < 0.0)
+		p_h += 360.0f;
+
+	const float h_ = p_h / 60.0f;
+	const float c = p_v * p_s;
+	const float x = c * (1.0f - ::fabs(::fmod(h_, 2.0f) - 1.0f));
+	float r, g, b;
+
+	switch ((int)h_) {
+		case 0: {
+			r = c;
+			g = x;
+			b = 0;
+		} break;
+		case 1: {
+			r = x;
+			g = c;
+			b = 0;
+		} break;
+		case 2: {
+			r = 0;
+			g = c;
+			b = x;
+		} break;
+		case 3: {
+			r = 0;
+			g = x;
+			b = c;
+		} break;
+		case 4: {
+			r = x;
+			g = 0;
+			b = c;
+		} break;
+		case 5: {
+			r = c;
+			g = 0;
+			b = x;
+		} break;
+		default: {
+			r = 0;
+			g = 0;
+			b = 0;
+		} break;
+	}
+
+	const float m = p_v - c;
+	return Color(m + r, m + g, m + b, p_a);
+}
+
+void Color::invert() {
+	r = 1.0 - r;
+	g = 1.0 - g;
+	b = 1.0 - b;
+}
+
+void Color::contrast() {
+	r = ::fmod(r + 0.5, 1.0);
+	g = ::fmod(g + 0.5, 1.0);
+	b = ::fmod(b + 0.5, 1.0);
+}
+Color Color::inverted() const {
+	Color c = *this;
+	c.invert();
+	return c;
+}
+Color Color::contrasted() const {
+	Color c = *this;
+	c.contrast();
+	return c;
+}
+
+Color Color::linear_interpolate(const Color &p_b, float p_t) const {
+	Color res = *this;
+
+	res.r += (p_t * (p_b.r - r));
+	res.g += (p_t * (p_b.g - g));
+	res.b += (p_t * (p_b.b - b));
+	res.a += (p_t * (p_b.a - a));
+
+	return res;
+}
+
+Color Color::blend(const Color &p_over) const {
+	Color res;
+	float sa = 1.0 - p_over.a;
+	res.a = a * sa + p_over.a;
+	if (res.a == 0) {
+		return Color(0, 0, 0, 0);
+	} else {
+		res.r = (r * a * sa + p_over.r * p_over.a) / res.a;
+		res.g = (g * a * sa + p_over.g * p_over.a) / res.a;
+		res.b = (b * a * sa + p_over.b * p_over.a) / res.a;
+	}
+	return res;
+}
+
+Color Color::to_linear() const {
+	return Color(
+			r < 0.04045 ? r * (1.0 / 12.92) : ::pow((r + 0.055) * (1.0 / (1 + 0.055)), 2.4),
+			g < 0.04045 ? g * (1.0 / 12.92) : ::pow((g + 0.055) * (1.0 / (1 + 0.055)), 2.4),
+			b < 0.04045 ? b * (1.0 / 12.92) : ::pow((b + 0.055) * (1.0 / (1 + 0.055)), 2.4),
+			a);
+}
+
+Color Color::hex(uint32_t p_hex) {
+	float a = (p_hex & 0xFF) / 255.0;
+	p_hex >>= 8;
+	float b = (p_hex & 0xFF) / 255.0;
+	p_hex >>= 8;
+	float g = (p_hex & 0xFF) / 255.0;
+	p_hex >>= 8;
+	float r = (p_hex & 0xFF) / 255.0;
+
+	return Color(r, g, b, a);
+}
+
+Color Color::html(const String &p_color) {
+	String color = p_color;
+	if (color.length() == 0)
+		return Color();
+	if (color[0] == '#')
+		color = color.substr(1, color.length() - 1);
+
+	bool alpha = false;
+
+	if (color.length() == 8) {
+		alpha = true;
+	} else if (color.length() == 6) {
+		alpha = false;
+	} else {
+		ERR_PRINTS(String("Invalid Color Code: ") + p_color);
+		ERR_FAIL_V(Color());
+	}
+
+	int a = 255;
+	if (alpha) {
+		a = _parse_col(color, 0);
+		if (a < 0) {
+			ERR_PRINTS(String("Invalid Color Code: ") + p_color);
+			ERR_FAIL_V(Color());
+		}
+	}
+
+	int from = alpha ? 2 : 0;
+
+	int r = _parse_col(color, from + 0);
+	if (r < 0) {
+		ERR_PRINTS(String("Invalid Color Code: ") + p_color);
+		ERR_FAIL_V(Color());
+	}
+	int g = _parse_col(color, from + 2);
+	if (g < 0) {
+		ERR_PRINTS(String("Invalid Color Code: ") + p_color);
+		ERR_FAIL_V(Color());
+	}
+	int b = _parse_col(color, from + 4);
+	if (b < 0) {
+		ERR_PRINTS(String("Invalid Color Code: ") + p_color);
+		ERR_FAIL_V(Color());
+	}
+
+	return Color(r / 255.0, g / 255.0, b / 255.0, a / 255.0);
+}
+
+bool Color::html_is_valid(const String &p_color) {
+	String color = p_color;
+
+	if (color.length() == 0)
+		return false;
+	if (color[0] == '#')
+		color = color.substr(1, color.length() - 1);
+
+	bool alpha = false;
+
+	if (color.length() == 8) {
+		alpha = true;
+	} else if (color.length() == 6) {
+		alpha = false;
+	} else {
+		return false;
+	}
+
+	int a = 255;
+	if (alpha) {
+		a = _parse_col(color, 0);
+		if (a < 0) {
+			return false;
+		}
+	}
+
+	int from = alpha ? 2 : 0;
+
+	int r = _parse_col(color, from + 0);
+	if (r < 0) {
+		return false;
+	}
+	int g = _parse_col(color, from + 2);
+	if (g < 0) {
+		return false;
+	}
+	int b = _parse_col(color, from + 4);
+	if (b < 0) {
+		return false;
+	}
+
+	return true;
+}
+
+#ifndef CLAMP
+#define CLAMP(m_a, m_min, m_max) (((m_a) < (m_min)) ? (m_min) : (((m_a) > (m_max)) ? m_max : m_a))
+#endif
+static String _to_hex(float p_val) {
+	int v = p_val * 255;
+	v = CLAMP(v, 0, 255);
+	String ret;
+
+	for (int i = 0; i < 2; i++) {
+		wchar_t c[2] = { 0, 0 };
+		int lv = v & 0xF;
+		if (lv < 10)
+			c[0] = '0' + lv;
+		else
+			c[0] = 'a' + lv - 10;
+
+		v >>= 4;
+		String cs = (const wchar_t *)c;
+		ret = cs + ret;
+	}
+
+	return ret;
+}
+
+String Color::to_html(bool p_alpha) const {
+	String txt;
+	txt += _to_hex(r);
+	txt += _to_hex(g);
+	txt += _to_hex(b);
+	if (p_alpha)
+		txt = _to_hex(a) + txt;
+	return txt;
+}
+
+Color::operator String() const {
+	return String::num(r) + ", " + String::num(g) + ", " + String::num(b) + ", " + String::num(a);
+}
+
+bool Color::operator<(const Color &p_color) const {
+	if (r == p_color.r) {
+		if (g == p_color.g) {
+			if (b == p_color.b) {
+				return (a < p_color.a);
+			} else
+				return (b < p_color.b);
+		} else
+			return g < p_color.g;
+	} else
+		return r < p_color.r;
+}
+
+Color Color::operator+(const Color &p_color) const {
+	return Color(
+			r + p_color.r,
+			g + p_color.g,
+			b + p_color.b,
+			a + p_color.a);
+}
+
+void Color::operator+=(const Color &p_color) {
+	r = r + p_color.r;
+	g = g + p_color.g;
+	b = b + p_color.b;
+	a = a + p_color.a;
+}
+
+Color Color::operator-(const Color &p_color) const {
+	return Color(
+			r - p_color.r,
+			g - p_color.g,
+			b - p_color.b,
+			a - p_color.a);
+}
+
+void Color::operator-=(const Color &p_color) {
+	r = r - p_color.r;
+	g = g - p_color.g;
+	b = b - p_color.b;
+	a = a - p_color.a;
+}
+
+Color Color::operator*(const Color &p_color) const {
+	return Color(
+			r * p_color.r,
+			g * p_color.g,
+			b * p_color.b,
+			a * p_color.a);
+}
+
+Color Color::operator*(const real_t &rvalue) const {
+	return Color(
+			r * rvalue,
+			g * rvalue,
+			b * rvalue,
+			a * rvalue);
+}
+
+void Color::operator*=(const Color &p_color) {
+	r = r * p_color.r;
+	g = g * p_color.g;
+	b = b * p_color.b;
+	a = a * p_color.a;
+}
+
+void Color::operator*=(const real_t &rvalue) {
+	r = r * rvalue;
+	g = g * rvalue;
+	b = b * rvalue;
+	a = a * rvalue;
+}
+
+Color Color::operator/(const Color &p_color) const {
+	return Color(
+			r / p_color.r,
+			g / p_color.g,
+			b / p_color.b,
+			a / p_color.a);
+}
+
+Color Color::operator/(const real_t &rvalue) const {
+	return Color(
+			r / rvalue,
+			g / rvalue,
+			b / rvalue,
+			a / rvalue);
+}
+
+void Color::operator/=(const Color &p_color) {
+	r = r / p_color.r;
+	g = g / p_color.g;
+	b = b / p_color.b;
+	a = a / p_color.a;
+}
+
+void Color::operator/=(const real_t &rvalue) {
+	if (rvalue == 0) {
+		r = 1.0;
+		g = 1.0;
+		b = 1.0;
+		a = 1.0;
+	} else {
+		r = r / rvalue;
+		g = g / rvalue;
+		b = b / rvalue;
+		a = a / rvalue;
+	}
+}
+
+Color Color::operator-() const {
+	return Color(
+			1.0 - r,
+			1.0 - g,
+			1.0 - b,
+			1.0 - a);
+}
+
+} // namespace godot

src/core/Dictionary.cpp

@@ -0,0 +1,110 @@
+/*************************************************************************/
+/*  Dictionary.cpp                                                       */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                      https://godotengine.org                          */
+/*************************************************************************/
+/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur.                 */
+/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md).   */
+/*                                                                       */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the       */
+/* "Software"), to deal in the Software without restriction, including   */
+/* without limitation the rights to use, copy, modify, merge, publish,   */
+/* distribute, sublicense, and/or sell copies of the Software, and to    */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions:                                             */
+/*                                                                       */
+/* The above copyright notice and this permission notice shall be        */
+/* included in all copies or substantial portions of the Software.       */
+/*                                                                       */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
+/*************************************************************************/
+
+#include "Dictionary.hpp"
+#include "Array.hpp"
+#include "GodotGlobal.hpp"
+#include "Variant.hpp"
+
+namespace godot {
+
+Dictionary::Dictionary() {
+	godot::api->godot_dictionary_new(&_godot_dictionary);
+}
+
+Dictionary::Dictionary(const Dictionary &other) {
+	godot::api->godot_dictionary_new_copy(&_godot_dictionary, &other._godot_dictionary);
+}
+
+Dictionary &Dictionary::operator=(const Dictionary &other) {
+	godot::api->godot_dictionary_destroy(&_godot_dictionary);
+	godot::api->godot_dictionary_new_copy(&_godot_dictionary, &other._godot_dictionary);
+	return *this;
+}
+
+void Dictionary::clear() {
+	godot::api->godot_dictionary_clear(&_godot_dictionary);
+}
+
+bool Dictionary::empty() const {
+	return godot::api->godot_dictionary_empty(&_godot_dictionary);
+}
+
+void Dictionary::erase(const Variant &key) {
+	godot::api->godot_dictionary_erase(&_godot_dictionary, (godot_variant *)&key);
+}
+
+bool Dictionary::has(const Variant &key) const {
+	return godot::api->godot_dictionary_has(&_godot_dictionary, (godot_variant *)&key);
+}
+
+bool Dictionary::has_all(const Array &keys) const {
+	return godot::api->godot_dictionary_has_all(&_godot_dictionary, (godot_array *)&keys);
+}
+
+uint32_t Dictionary::hash() const {
+	return godot::api->godot_dictionary_hash(&_godot_dictionary);
+}
+
+Array Dictionary::keys() const {
+	godot_array a = godot::api->godot_dictionary_keys(&_godot_dictionary);
+	return Array(a);
+}
+
+Variant &Dictionary::operator[](const Variant &key) {
+	godot_variant *v = godot::api->godot_dictionary_operator_index(&_godot_dictionary, (godot_variant *)&key);
+	return *reinterpret_cast<Variant *>(v);
+}
+
+const Variant &Dictionary::operator[](const Variant &key) const {
+	// oops I did it again
+	godot_variant *v = godot::api->godot_dictionary_operator_index((godot_dictionary *)&_godot_dictionary, (godot_variant *)&key);
+	return *reinterpret_cast<Variant *>(v);
+}
+
+int Dictionary::size() const {
+	return godot::api->godot_dictionary_size(&_godot_dictionary);
+}
+
+String Dictionary::to_json() const {
+	godot_string s = godot::api->godot_dictionary_to_json(&_godot_dictionary);
+	return String(s);
+}
+
+Array Dictionary::values() const {
+	godot_array a = godot::api->godot_dictionary_values(&_godot_dictionary);
+	return Array(a);
+}
+
+Dictionary::~Dictionary() {
+	godot::api->godot_dictionary_destroy(&_godot_dictionary);
+}
+
+} // namespace godot

src/core/GodotGlobal.cpp

@@ -0,0 +1,208 @@
+/*************************************************************************/
+/*  GodotGlobal.cpp                                                      */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                      https://godotengine.org                          */
+/*************************************************************************/
+/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur.                 */
+/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md).   */
+/*                                                                       */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the       */
+/* "Software"), to deal in the Software without restriction, including   */
+/* without limitation the rights to use, copy, modify, merge, publish,   */
+/* distribute, sublicense, and/or sell copies of the Software, and to    */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions:                                             */
+/*                                                                       */
+/* The above copyright notice and this permission notice shall be        */
+/* included in all copies or substantial portions of the Software.       */
+/*                                                                       */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
+/*************************************************************************/
+
+#include "GodotGlobal.hpp"
+
+#include "String.hpp"
+
+#include "Wrapped.hpp"
+
+static GDCALLINGCONV void *wrapper_create(void *data, const void *type_tag, godot_object *instance) {
+	godot::_Wrapped *wrapper_memory = (godot::_Wrapped *)godot::api->godot_alloc(sizeof(godot::_Wrapped));
+
+	if (!wrapper_memory)
+		return NULL;
+	wrapper_memory->_owner = instance;
+	wrapper_memory->_type_tag = (size_t)type_tag;
+
+	return (void *)wrapper_memory;
+}
+
+static GDCALLINGCONV void wrapper_destroy(void *data, void *wrapper) {
+	if (wrapper)
+		godot::api->godot_free(wrapper);
+}
+
+namespace godot {
+
+void *_RegisterState::nativescript_handle;
+int _RegisterState::language_index;
+
+const godot_gdnative_core_api_struct *api = nullptr;
+const godot_gdnative_core_1_1_api_struct *core_1_1_api = nullptr;
+const godot_gdnative_core_1_2_api_struct *core_1_2_api = nullptr;
+
+const godot_gdnative_ext_nativescript_api_struct *nativescript_api = nullptr;
+const godot_gdnative_ext_nativescript_1_1_api_struct *nativescript_1_1_api = nullptr;
+const godot_gdnative_ext_pluginscript_api_struct *pluginscript_api = nullptr;
+const godot_gdnative_ext_android_api_struct *android_api = nullptr;
+const godot_gdnative_ext_arvr_api_struct *arvr_api = nullptr;
+const godot_gdnative_ext_videodecoder_api_struct *videodecoder_api = nullptr;
+const godot_gdnative_ext_net_api_struct *net_api = nullptr;
+const godot_gdnative_ext_net_3_2_api_struct *net_3_2_api = nullptr;
+
+const void *gdnlib = NULL;
+
+void Godot::print(const String &message) {
+	godot::api->godot_print((godot_string *)&message);
+}
+
+void Godot::print_warning(const String &description, const String &function, const String &file, int line) {
+	int len;
+
+	char *c_desc = description.alloc_c_string();
+	char *c_func = function.alloc_c_string();
+	char *c_file = file.alloc_c_string();
+
+	if (c_desc != nullptr && c_func != nullptr && c_file != nullptr) {
+		godot::api->godot_print_warning(c_desc, c_func, c_file, line);
+	};
+
+	if (c_desc != nullptr)
+		godot::api->godot_free(c_desc);
+	if (c_func != nullptr)
+		godot::api->godot_free(c_func);
+	if (c_file != nullptr)
+		godot::api->godot_free(c_file);
+}
+
+void Godot::print_error(const String &description, const String &function, const String &file, int line) {
+	int len;
+
+	char *c_desc = description.alloc_c_string();
+	char *c_func = function.alloc_c_string();
+	char *c_file = file.alloc_c_string();
+
+	if (c_desc != nullptr && c_func != nullptr && c_file != nullptr) {
+		godot::api->godot_print_error(c_desc, c_func, c_file, line);
+	};
+
+	if (c_desc != nullptr)
+		godot::api->godot_free(c_desc);
+	if (c_func != nullptr)
+		godot::api->godot_free(c_func);
+	if (c_file != nullptr)
+		godot::api->godot_free(c_file);
+}
+
+void ___register_types();
+void ___init_method_bindings();
+
+void Godot::gdnative_init(godot_gdnative_init_options *options) {
+	godot::api = options->api_struct;
+	godot::gdnlib = options->gd_native_library;
+
+	const godot_gdnative_api_struct *core_extension = godot::api->next;
+
+	while (core_extension) {
+		if (core_extension->version.major == 1 && core_extension->version.minor == 1) {
+			godot::core_1_1_api = (const godot_gdnative_core_1_1_api_struct *)core_extension;
+		} else if (core_extension->version.major == 1 && core_extension->version.minor == 2) {
+			godot::core_1_2_api = (const godot_gdnative_core_1_2_api_struct *)core_extension;
+		}
+		core_extension = core_extension->next;
+	}
+
+	// now find our extensions
+	for (int i = 0; i < godot::api->num_extensions; i++) {
+		switch (godot::api->extensions[i]->type) {
+			case GDNATIVE_EXT_NATIVESCRIPT: {
+				godot::nativescript_api = (const godot_gdnative_ext_nativescript_api_struct *)godot::api->extensions[i];
+
+				const godot_gdnative_api_struct *extension = godot::nativescript_api->next;
+
+				while (extension) {
+					if (extension->version.major == 1 && extension->version.minor == 1) {
+						godot::nativescript_1_1_api = (const godot_gdnative_ext_nativescript_1_1_api_struct *)extension;
+					}
+
+					extension = extension->next;
+				}
+			} break;
+			case GDNATIVE_EXT_PLUGINSCRIPT: {
+				godot::pluginscript_api = (const godot_gdnative_ext_pluginscript_api_struct *)godot::api->extensions[i];
+			} break;
+			case GDNATIVE_EXT_ANDROID: {
+				godot::android_api = (const godot_gdnative_ext_android_api_struct *)godot::api->extensions[i];
+			} break;
+			case GDNATIVE_EXT_ARVR: {
+				godot::arvr_api = (const godot_gdnative_ext_arvr_api_struct *)godot::api->extensions[i];
+			} break;
+			case GDNATIVE_EXT_VIDEODECODER: {
+				godot::videodecoder_api = (const godot_gdnative_ext_videodecoder_api_struct *)godot::api->extensions[i];
+			} break;
+			case GDNATIVE_EXT_NET: {
+				godot::net_api = (const godot_gdnative_ext_net_api_struct *)godot::api->extensions[i];
+
+				const godot_gdnative_api_struct *extension = godot::net_api->next;
+
+				while (extension) {
+					if (extension->version.major == 3 && extension->version.minor == 2) {
+						godot::net_3_2_api = (const godot_gdnative_ext_net_3_2_api_struct *)extension;
+					}
+
+					extension = extension->next;
+				}
+			} break;
+
+			default:
+				break;
+		}
+	}
+
+	// Initialize the `language_index` here since `__register_types()` makes use of it.
+	godot_instance_binding_functions binding_funcs = {};
+	binding_funcs.alloc_instance_binding_data = wrapper_create;
+	binding_funcs.free_instance_binding_data = wrapper_destroy;
+
+	godot::_RegisterState::language_index = godot::nativescript_1_1_api->godot_nativescript_register_instance_binding_data_functions(binding_funcs);
+
+	// register these now
+	___register_types();
+	___init_method_bindings();
+}
+
+void Godot::gdnative_terminate(godot_gdnative_terminate_options *options) {
+	// reserved for future use.
+}
+
+void Godot::gdnative_profiling_add_data(const char *p_signature, uint64_t p_time) {
+	godot::nativescript_1_1_api->godot_nativescript_profiling_add_data(p_signature, p_time);
+}
+
+void Godot::nativescript_init(void *handle) {
+	godot::_RegisterState::nativescript_handle = handle;
+}
+
+void Godot::nativescript_terminate(void *handle) {
+	godot::nativescript_1_1_api->godot_nativescript_unregister_instance_binding_data_functions(godot::_RegisterState::language_index);
+}
+
+} // namespace godot

src/core/NodePath.cpp

@@ -0,0 +1,114 @@
+/*************************************************************************/
+/*  NodePath.cpp                                                         */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                      https://godotengine.org                          */
+/*************************************************************************/
+/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur.                 */
+/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md).   */
+/*                                                                       */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the       */
+/* "Software"), to deal in the Software without restriction, including   */
+/* without limitation the rights to use, copy, modify, merge, publish,   */
+/* distribute, sublicense, and/or sell copies of the Software, and to    */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions:                                             */
+/*                                                                       */
+/* The above copyright notice and this permission notice shall be        */
+/* included in all copies or substantial portions of the Software.       */
+/*                                                                       */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
+/*************************************************************************/
+
+#include "NodePath.hpp"
+#include "GodotGlobal.hpp"
+#include "String.hpp"
+
+#include <gdnative/node_path.h>
+
+namespace godot {
+
+NodePath::NodePath() {
+	String from = "";
+	godot::api->godot_node_path_new(&_node_path, (godot_string *)&from);
+}
+
+NodePath::NodePath(const NodePath &other) {
+	String from = other;
+	godot::api->godot_node_path_new(&_node_path, (godot_string *)&from);
+}
+
+NodePath::NodePath(const String &from) {
+	godot::api->godot_node_path_new(&_node_path, (godot_string *)&from);
+}
+
+NodePath::NodePath(const char *contents) {
+	String from = contents;
+	godot::api->godot_node_path_new(&_node_path, (godot_string *)&from);
+}
+
+String NodePath::get_name(const int idx) const {
+	godot_string str = godot::api->godot_node_path_get_name(&_node_path, idx);
+	return String(str);
+}
+
+int NodePath::get_name_count() const {
+	return godot::api->godot_node_path_get_name_count(&_node_path);
+}
+
+String NodePath::get_subname(const int idx) const {
+	godot_string str = godot::api->godot_node_path_get_subname(&_node_path, idx);
+	return String(str);
+}
+
+int NodePath::get_subname_count() const {
+	return godot::api->godot_node_path_get_subname_count(&_node_path);
+}
+
+bool NodePath::is_absolute() const {
+	return godot::api->godot_node_path_is_absolute(&_node_path);
+}
+
+bool NodePath::is_empty() const {
+	return godot::api->godot_node_path_is_empty(&_node_path);
+}
+
+NodePath NodePath::get_as_property_path() const {
+	godot_node_path path = godot::core_1_1_api->godot_node_path_get_as_property_path(&_node_path);
+	return NodePath(path);
+}
+String NodePath::get_concatenated_subnames() const {
+	godot_string str = godot::api->godot_node_path_get_concatenated_subnames(&_node_path);
+	return String(str);
+}
+
+NodePath::operator String() const {
+	godot_string str = godot::api->godot_node_path_as_string(&_node_path);
+	return String(str);
+}
+
+bool NodePath::operator==(const NodePath &other) {
+	return godot::api->godot_node_path_operator_equal(&_node_path, &other._node_path);
+}
+
+void NodePath::operator=(const NodePath &other) {
+	godot::api->godot_node_path_destroy(&_node_path);
+
+	String other_string = (String)other;
+
+	godot::api->godot_node_path_new(&_node_path, (godot_string *)&other_string);
+}
+
+NodePath::~NodePath() {
+	godot::api->godot_node_path_destroy(&_node_path);
+}
+
+} // namespace godot

src/core/Plane.cpp

@@ -0,0 +1,203 @@
+/*************************************************************************/
+/*  Plane.cpp                                                            */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                      https://godotengine.org                          */
+/*************************************************************************/
+/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur.                 */
+/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md).   */
+/*                                                                       */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the       */
+/* "Software"), to deal in the Software without restriction, including   */
+/* without limitation the rights to use, copy, modify, merge, publish,   */
+/* distribute, sublicense, and/or sell copies of the Software, and to    */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions:                                             */
+/*                                                                       */
+/* The above copyright notice and this permission notice shall be        */
+/* included in all copies or substantial portions of the Software.       */
+/*                                                                       */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
+/*************************************************************************/
+
+#include "Plane.hpp"
+#include "Vector3.hpp"
+
+#include <cmath>
+
+namespace godot {
+
+void Plane::set_normal(const Vector3 &p_normal) {
+	this->normal = p_normal;
+}
+
+Vector3 Plane::project(const Vector3 &p_point) const {
+	return p_point - normal * distance_to(p_point);
+}
+
+void Plane::normalize() {
+	real_t l = normal.length();
+	if (l == 0) {
+		*this = Plane(0, 0, 0, 0);
+		return;
+	}
+	normal /= l;
+	d /= l;
+}
+
+Plane Plane::normalized() const {
+	Plane p = *this;
+	p.normalize();
+	return p;
+}
+
+Vector3 Plane::get_any_point() const {
+	return get_normal() * d;
+}
+
+Vector3 Plane::get_any_perpendicular_normal() const {
+	static const Vector3 p1 = Vector3(1, 0, 0);
+	static const Vector3 p2 = Vector3(0, 1, 0);
+	Vector3 p;
+
+	if (::fabs(normal.dot(p1)) > 0.99) // if too similar to p1
+		p = p2; // use p2
+	else
+		p = p1; // use p1
+
+	p -= normal * normal.dot(p);
+	p.normalize();
+
+	return p;
+}
+
+/* intersections */
+
+bool Plane::intersect_3(const Plane &p_plane1, const Plane &p_plane2, Vector3 *r_result) const {
+	const Plane &p_plane0 = *this;
+	Vector3 normal0 = p_plane0.normal;
+	Vector3 normal1 = p_plane1.normal;
+	Vector3 normal2 = p_plane2.normal;
+
+	real_t denom = vec3_cross(normal0, normal1).dot(normal2);
+
+	if (::fabs(denom) <= CMP_EPSILON)
+		return false;
+
+	if (r_result) {
+		*r_result = ((vec3_cross(normal1, normal2) * p_plane0.d) +
+							(vec3_cross(normal2, normal0) * p_plane1.d) +
+							(vec3_cross(normal0, normal1) * p_plane2.d)) /
+					denom;
+	}
+
+	return true;
+}
+
+bool Plane::intersects_ray(Vector3 p_from, Vector3 p_dir, Vector3 *p_intersection) const {
+	Vector3 segment = p_dir;
+	real_t den = normal.dot(segment);
+
+	//printf("den is %i\n",den);
+	if (::fabs(den) <= CMP_EPSILON) {
+		return false;
+	}
+
+	real_t dist = (normal.dot(p_from) - d) / den;
+	//printf("dist is %i\n",dist);
+
+	if (dist > CMP_EPSILON) { //this is a ray, before the emiting pos (p_from) doesnt exist
+
+		return false;
+	}
+
+	dist = -dist;
+	*p_intersection = p_from + segment * dist;
+
+	return true;
+}
+
+bool Plane::intersects_segment(Vector3 p_begin, Vector3 p_end, Vector3 *p_intersection) const {
+	Vector3 segment = p_begin - p_end;
+	real_t den = normal.dot(segment);
+
+	//printf("den is %i\n",den);
+	if (::fabs(den) <= CMP_EPSILON) {
+		return false;
+	}
+
+	real_t dist = (normal.dot(p_begin) - d) / den;
+	//printf("dist is %i\n",dist);
+
+	if (dist < -CMP_EPSILON || dist > (1.0 + CMP_EPSILON)) {
+		return false;
+	}
+
+	dist = -dist;
+	*p_intersection = p_begin + segment * dist;
+
+	return true;
+}
+
+/* misc */
+
+bool Plane::is_almost_like(const Plane &p_plane) const {
+	return (normal.dot(p_plane.normal) > _PLANE_EQ_DOT_EPSILON && ::fabs(d - p_plane.d) < _PLANE_EQ_D_EPSILON);
+}
+
+Plane::operator String() const {
+	// return normal.operator String() + ", " + rtos(d);
+	return String(); // @Todo
+}
+
+bool Plane::is_point_over(const Vector3 &p_point) const {
+	return (normal.dot(p_point) > d);
+}
+
+real_t Plane::distance_to(const Vector3 &p_point) const {
+	return (normal.dot(p_point) - d);
+}
+
+bool Plane::has_point(const Vector3 &p_point, real_t _epsilon) const {
+	real_t dist = normal.dot(p_point) - d;
+	dist = ::fabs(dist);
+	return (dist <= _epsilon);
+}
+
+Plane::Plane(const Vector3 &p_normal, real_t p_d) {
+	normal = p_normal;
+	d = p_d;
+}
+
+Plane::Plane(const Vector3 &p_point, const Vector3 &p_normal) {
+	normal = p_normal;
+	d = p_normal.dot(p_point);
+}
+
+Plane::Plane(const Vector3 &p_point1, const Vector3 &p_point2, const Vector3 &p_point3, ClockDirection p_dir) {
+	if (p_dir == CLOCKWISE)
+		normal = (p_point1 - p_point3).cross(p_point1 - p_point2);
+	else
+		normal = (p_point1 - p_point2).cross(p_point1 - p_point3);
+
+	normal.normalize();
+	d = normal.dot(p_point1);
+}
+
+bool Plane::operator==(const Plane &p_plane) const {
+	return normal == p_plane.normal && d == p_plane.d;
+}
+
+bool Plane::operator!=(const Plane &p_plane) const {
+	return normal != p_plane.normal || d != p_plane.d;
+}
+
+} // namespace godot

src/core/PoolArrays.cpp

@@ -0,0 +1,571 @@
+/*************************************************************************/
+/*  PoolArrays.cpp                                                       */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                      https://godotengine.org                          */
+/*************************************************************************/
+/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur.                 */
+/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md).   */
+/*                                                                       */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the       */
+/* "Software"), to deal in the Software without restriction, including   */
+/* without limitation the rights to use, copy, modify, merge, publish,   */
+/* distribute, sublicense, and/or sell copies of the Software, and to    */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions:                                             */
+/*                                                                       */
+/* The above copyright notice and this permission notice shall be        */
+/* included in all copies or substantial portions of the Software.       */
+/*                                                                       */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
+/*************************************************************************/
+
+#include "PoolArrays.hpp"
+#include "Color.hpp"
+#include "Defs.hpp"
+#include "GodotGlobal.hpp"
+#include "String.hpp"
+#include "Vector2.hpp"
+#include "Vector3.hpp"
+
+#include <gdnative/pool_arrays.h>
+
+namespace godot {
+
+PoolByteArray::PoolByteArray() {
+	godot::api->godot_pool_byte_array_new(&_godot_array);
+}
+
+PoolByteArray::PoolByteArray(const PoolByteArray &p_other) {
+	godot::api->godot_pool_byte_array_new_copy(&_godot_array, &p_other._godot_array);
+}
+
+PoolByteArray &PoolByteArray::operator=(const PoolByteArray &p_other) {
+	godot::api->godot_pool_byte_array_destroy(&_godot_array);
+	godot::api->godot_pool_byte_array_new_copy(&_godot_array, &p_other._godot_array);
+	return *this;
+}
+
+PoolByteArray::PoolByteArray(const Array &array) {
+	godot::api->godot_pool_byte_array_new_with_array(&_godot_array, (godot_array *)&array);
+}
+
+PoolByteArray::Read PoolByteArray::read() const {
+	Read read;
+	read._read_access = godot::api->godot_pool_byte_array_read(&_godot_array);
+	return read;
+}
+
+PoolByteArray::Write PoolByteArray::write() {
+	Write write;
+	write._write_access = godot::api->godot_pool_byte_array_write(&_godot_array);
+	return write;
+}
+
+void PoolByteArray::append(const uint8_t data) {
+	godot::api->godot_pool_byte_array_append(&_godot_array, data);
+}
+
+void PoolByteArray::append_array(const PoolByteArray &array) {
+	godot::api->godot_pool_byte_array_append_array(&_godot_array, &array._godot_array);
+}
+
+int PoolByteArray::insert(const int idx, const uint8_t data) {
+	return godot::api->godot_pool_byte_array_insert(&_godot_array, idx, data);
+}
+
+void PoolByteArray::invert() {
+	godot::api->godot_pool_byte_array_invert(&_godot_array);
+}
+
+void PoolByteArray::push_back(const uint8_t data) {
+	godot::api->godot_pool_byte_array_push_back(&_godot_array, data);
+}
+
+void PoolByteArray::remove(const int idx) {
+	godot::api->godot_pool_byte_array_remove(&_godot_array, idx);
+}
+
+void PoolByteArray::resize(const int size) {
+	godot::api->godot_pool_byte_array_resize(&_godot_array, size);
+}
+
+void PoolByteArray::set(const int idx, const uint8_t data) {
+	godot::api->godot_pool_byte_array_set(&_godot_array, idx, data);
+}
+
+uint8_t PoolByteArray::operator[](const int idx) {
+	return godot::api->godot_pool_byte_array_get(&_godot_array, idx);
+}
+
+int PoolByteArray::size() const {
+	return godot::api->godot_pool_byte_array_size(&_godot_array);
+}
+
+PoolByteArray::~PoolByteArray() {
+	godot::api->godot_pool_byte_array_destroy(&_godot_array);
+}
+
+PoolIntArray::PoolIntArray() {
+	godot::api->godot_pool_int_array_new(&_godot_array);
+}
+
+PoolIntArray::PoolIntArray(const PoolIntArray &p_other) {
+	godot::api->godot_pool_int_array_new_copy(&_godot_array, &p_other._godot_array);
+}
+
+PoolIntArray &PoolIntArray::operator=(const PoolIntArray &p_other) {
+	godot::api->godot_pool_int_array_destroy(&_godot_array);
+	godot::api->godot_pool_int_array_new_copy(&_godot_array, &p_other._godot_array);
+	return *this;
+}
+
+PoolIntArray::PoolIntArray(const Array &array) {
+	godot::api->godot_pool_int_array_new_with_array(&_godot_array, (godot_array *)&array);
+}
+
+PoolIntArray::Read PoolIntArray::read() const {
+	Read read;
+	read._read_access = godot::api->godot_pool_int_array_read(&_godot_array);
+	return read;
+}
+
+PoolIntArray::Write PoolIntArray::write() {
+	Write write;
+	write._write_access = godot::api->godot_pool_int_array_write(&_godot_array);
+	return write;
+}
+
+void PoolIntArray::append(const int data) {
+	godot::api->godot_pool_int_array_append(&_godot_array, data);
+}
+
+void PoolIntArray::append_array(const PoolIntArray &array) {
+	godot::api->godot_pool_int_array_append_array(&_godot_array, &array._godot_array);
+}
+
+int PoolIntArray::insert(const int idx, const int data) {
+	return godot::api->godot_pool_int_array_insert(&_godot_array, idx, data);
+}
+
+void PoolIntArray::invert() {
+	godot::api->godot_pool_int_array_invert(&_godot_array);
+}
+
+void PoolIntArray::push_back(const int data) {
+	godot::api->godot_pool_int_array_push_back(&_godot_array, data);
+}
+
+void PoolIntArray::remove(const int idx) {
+	godot::api->godot_pool_int_array_remove(&_godot_array, idx);
+}
+
+void PoolIntArray::resize(const int size) {
+	godot::api->godot_pool_int_array_resize(&_godot_array, size);
+}
+
+void PoolIntArray::set(const int idx, const int data) {
+	godot::api->godot_pool_int_array_set(&_godot_array, idx, data);
+}
+
+int PoolIntArray::operator[](const int idx) {
+	return godot::api->godot_pool_int_array_get(&_godot_array, idx);
+}
+
+int PoolIntArray::size() const {
+	return godot::api->godot_pool_int_array_size(&_godot_array);
+}
+
+PoolIntArray::~PoolIntArray() {
+	godot::api->godot_pool_int_array_destroy(&_godot_array);
+}
+
+PoolRealArray::PoolRealArray() {
+	godot::api->godot_pool_real_array_new(&_godot_array);
+}
+
+PoolRealArray::PoolRealArray(const PoolRealArray &p_other) {
+	godot::api->godot_pool_real_array_new_copy(&_godot_array, &p_other._godot_array);
+}
+
+PoolRealArray &PoolRealArray::operator=(const PoolRealArray &p_other) {
+	godot::api->godot_pool_real_array_destroy(&_godot_array);
+	godot::api->godot_pool_real_array_new_copy(&_godot_array, &p_other._godot_array);
+	return *this;
+}
+
+PoolRealArray::Read PoolRealArray::read() const {
+	Read read;
+	read._read_access = godot::api->godot_pool_real_array_read(&_godot_array);
+	return read;
+}
+
+PoolRealArray::Write PoolRealArray::write() {
+	Write write;
+	write._write_access = godot::api->godot_pool_real_array_write(&_godot_array);
+	return write;
+}
+
+PoolRealArray::PoolRealArray(const Array &array) {
+	godot::api->godot_pool_real_array_new_with_array(&_godot_array, (godot_array *)&array);
+}
+
+void PoolRealArray::append(const real_t data) {
+	godot::api->godot_pool_real_array_append(&_godot_array, data);
+}
+
+void PoolRealArray::append_array(const PoolRealArray &array) {
+	godot::api->godot_pool_real_array_append_array(&_godot_array, &array._godot_array);
+}
+
+int PoolRealArray::insert(const int idx, const real_t data) {
+	return godot::api->godot_pool_real_array_insert(&_godot_array, idx, data);
+}
+
+void PoolRealArray::invert() {
+	godot::api->godot_pool_real_array_invert(&_godot_array);
+}
+
+void PoolRealArray::push_back(const real_t data) {
+	godot::api->godot_pool_real_array_push_back(&_godot_array, data);
+}
+
+void PoolRealArray::remove(const int idx) {
+	godot::api->godot_pool_real_array_remove(&_godot_array, idx);
+}
+
+void PoolRealArray::resize(const int size) {
+	godot::api->godot_pool_real_array_resize(&_godot_array, size);
+}
+
+void PoolRealArray::set(const int idx, const real_t data) {
+	godot::api->godot_pool_real_array_set(&_godot_array, idx, data);
+}
+
+real_t PoolRealArray::operator[](const int idx) {
+	return godot::api->godot_pool_real_array_get(&_godot_array, idx);
+}
+
+int PoolRealArray::size() const {
+	return godot::api->godot_pool_real_array_size(&_godot_array);
+}
+
+PoolRealArray::~PoolRealArray() {
+	godot::api->godot_pool_real_array_destroy(&_godot_array);
+}
+
+PoolStringArray::PoolStringArray() {
+	godot::api->godot_pool_string_array_new(&_godot_array);
+}
+
+PoolStringArray::PoolStringArray(const PoolStringArray &p_other) {
+	godot::api->godot_pool_string_array_new_copy(&_godot_array, &p_other._godot_array);
+}
+
+PoolStringArray &PoolStringArray::operator=(const PoolStringArray &p_other) {
+	godot::api->godot_pool_string_array_destroy(&_godot_array);
+	godot::api->godot_pool_string_array_new_copy(&_godot_array, &p_other._godot_array);
+	return *this;
+}
+
+PoolStringArray::PoolStringArray(const Array &array) {
+	godot::api->godot_pool_string_array_new_with_array(&_godot_array, (godot_array *)&array);
+}
+
+PoolStringArray::Read PoolStringArray::read() const {
+	Read read;
+	read._read_access = godot::api->godot_pool_string_array_read(&_godot_array);
+	return read;
+}
+
+PoolStringArray::Write PoolStringArray::write() {
+	Write write;
+	write._write_access = godot::api->godot_pool_string_array_write(&_godot_array);
+	return write;
+}
+
+void PoolStringArray::append(const String &data) {
+	godot::api->godot_pool_string_array_append(&_godot_array, (godot_string *)&data);
+}
+
+void PoolStringArray::append_array(const PoolStringArray &array) {
+	godot::api->godot_pool_string_array_append_array(&_godot_array, &array._godot_array);
+}
+
+int PoolStringArray::insert(const int idx, const String &data) {
+	return godot::api->godot_pool_string_array_insert(&_godot_array, idx, (godot_string *)&data);
+}
+
+void PoolStringArray::invert() {
+	godot::api->godot_pool_string_array_invert(&_godot_array);
+}
+
+void PoolStringArray::push_back(const String &data) {
+	godot::api->godot_pool_string_array_push_back(&_godot_array, (godot_string *)&data);
+}
+
+void PoolStringArray::remove(const int idx) {
+	godot::api->godot_pool_string_array_remove(&_godot_array, idx);
+}
+
+void PoolStringArray::resize(const int size) {
+	godot::api->godot_pool_string_array_resize(&_godot_array, size);
+}
+
+void PoolStringArray::set(const int idx, const String &data) {
+	godot::api->godot_pool_string_array_set(&_godot_array, idx, (godot_string *)&data);
+}
+
+const String PoolStringArray::operator[](const int idx) {
+	String s;
+	godot_string str = godot::api->godot_pool_string_array_get(&_godot_array, idx);
+	godot::api->godot_string_new_copy((godot_string *)&s, &str);
+	godot::api->godot_string_destroy(&str);
+	return s;
+}
+
+int PoolStringArray::size() const {
+	return godot::api->godot_pool_string_array_size(&_godot_array);
+}
+
+PoolStringArray::~PoolStringArray() {
+	godot::api->godot_pool_string_array_destroy(&_godot_array);
+}
+
+PoolVector2Array::PoolVector2Array() {
+	godot::api->godot_pool_vector2_array_new(&_godot_array);
+}
+
+PoolVector2Array::PoolVector2Array(const PoolVector2Array &p_other) {
+	godot::api->godot_pool_vector2_array_new_copy(&_godot_array, &p_other._godot_array);
+}
+
+PoolVector2Array &PoolVector2Array::operator=(const PoolVector2Array &p_other) {
+	godot::api->godot_pool_vector2_array_destroy(&_godot_array);
+	godot::api->godot_pool_vector2_array_new_copy(&_godot_array, &p_other._godot_array);
+	return *this;
+}
+
+PoolVector2Array::PoolVector2Array(const Array &array) {
+	godot::api->godot_pool_vector2_array_new_with_array(&_godot_array, (godot_array *)&array);
+}
+
+PoolVector2Array::Read PoolVector2Array::read() const {
+	Read read;
+	read._read_access = godot::api->godot_pool_vector2_array_read(&_godot_array);
+	return read;
+}
+
+PoolVector2Array::Write PoolVector2Array::write() {
+	Write write;
+	write._write_access = godot::api->godot_pool_vector2_array_write(&_godot_array);
+	return write;
+}
+
+void PoolVector2Array::append(const Vector2 &data) {
+	godot::api->godot_pool_vector2_array_append(&_godot_array, (godot_vector2 *)&data);
+}
+
+void PoolVector2Array::append_array(const PoolVector2Array &array) {
+	godot::api->godot_pool_vector2_array_append_array(&_godot_array, &array._godot_array);
+}
+
+int PoolVector2Array::insert(const int idx, const Vector2 &data) {
+	return godot::api->godot_pool_vector2_array_insert(&_godot_array, idx, (godot_vector2 *)&data);
+}
+
+void PoolVector2Array::invert() {
+	godot::api->godot_pool_vector2_array_invert(&_godot_array);
+}
+
+void PoolVector2Array::push_back(const Vector2 &data) {
+	godot::api->godot_pool_vector2_array_push_back(&_godot_array, (godot_vector2 *)&data);
+}
+
+void PoolVector2Array::remove(const int idx) {
+	godot::api->godot_pool_vector2_array_remove(&_godot_array, idx);
+}
+
+void PoolVector2Array::resize(const int size) {
+	godot::api->godot_pool_vector2_array_resize(&_godot_array, size);
+}
+
+void PoolVector2Array::set(const int idx, const Vector2 &data) {
+	godot::api->godot_pool_vector2_array_set(&_godot_array, idx, (godot_vector2 *)&data);
+}
+
+const Vector2 PoolVector2Array::operator[](const int idx) {
+	Vector2 v;
+	*(godot_vector2 *)&v = godot::api->godot_pool_vector2_array_get(&_godot_array, idx);
+	return v;
+}
+
+int PoolVector2Array::size() const {
+	return godot::api->godot_pool_vector2_array_size(&_godot_array);
+}
+
+PoolVector2Array::~PoolVector2Array() {
+	godot::api->godot_pool_vector2_array_destroy(&_godot_array);
+}
+
+PoolVector3Array::PoolVector3Array() {
+	godot::api->godot_pool_vector3_array_new(&_godot_array);
+}
+
+PoolVector3Array::PoolVector3Array(const PoolVector3Array &p_other) {
+	godot::api->godot_pool_vector3_array_new_copy(&_godot_array, &p_other._godot_array);
+}
+
+PoolVector3Array &PoolVector3Array::operator=(const PoolVector3Array &p_other) {
+	godot::api->godot_pool_vector3_array_destroy(&_godot_array);
+	godot::api->godot_pool_vector3_array_new_copy(&_godot_array, &p_other._godot_array);
+	return *this;
+}
+
+PoolVector3Array::PoolVector3Array(const Array &array) {
+	godot::api->godot_pool_vector3_array_new_with_array(&_godot_array, (godot_array *)&array);
+}
+
+PoolVector3Array::Read PoolVector3Array::read() const {
+	Read read;
+	read._read_access = godot::api->godot_pool_vector3_array_read(&_godot_array);
+	return read;
+}
+
+PoolVector3Array::Write PoolVector3Array::write() {
+	Write write;
+	write._write_access = godot::api->godot_pool_vector3_array_write(&_godot_array);
+	return write;
+}
+
+void PoolVector3Array::append(const Vector3 &data) {
+	godot::api->godot_pool_vector3_array_append(&_godot_array, (godot_vector3 *)&data);
+}
+
+void PoolVector3Array::append_array(const PoolVector3Array &array) {
+	godot::api->godot_pool_vector3_array_append_array(&_godot_array, &array._godot_array);
+}
+
+int PoolVector3Array::insert(const int idx, const Vector3 &data) {
+	return godot::api->godot_pool_vector3_array_insert(&_godot_array, idx, (godot_vector3 *)&data);
+}
+
+void PoolVector3Array::invert() {
+	godot::api->godot_pool_vector3_array_invert(&_godot_array);
+}
+
+void PoolVector3Array::push_back(const Vector3 &data) {
+	godot::api->godot_pool_vector3_array_push_back(&_godot_array, (godot_vector3 *)&data);
+}
+
+void PoolVector3Array::remove(const int idx) {
+	godot::api->godot_pool_vector3_array_remove(&_godot_array, idx);
+}
+
+void PoolVector3Array::resize(const int size) {
+	godot::api->godot_pool_vector3_array_resize(&_godot_array, size);
+}
+
+void PoolVector3Array::set(const int idx, const Vector3 &data) {
+	godot::api->godot_pool_vector3_array_set(&_godot_array, idx, (godot_vector3 *)&data);
+}
+
+const Vector3 PoolVector3Array::operator[](const int idx) {
+	Vector3 v;
+	*(godot_vector3 *)&v = godot::api->godot_pool_vector3_array_get(&_godot_array, idx);
+	return v;
+}
+
+int PoolVector3Array::size() const {
+	return godot::api->godot_pool_vector3_array_size(&_godot_array);
+}
+
+PoolVector3Array::~PoolVector3Array() {
+	godot::api->godot_pool_vector3_array_destroy(&_godot_array);
+}
+
+PoolColorArray::PoolColorArray() {
+	godot::api->godot_pool_color_array_new(&_godot_array);
+}
+
+PoolColorArray::PoolColorArray(const PoolColorArray &p_other) {
+	godot::api->godot_pool_color_array_new_copy(&_godot_array, &p_other._godot_array);
+}
+
+PoolColorArray &PoolColorArray::operator=(const PoolColorArray &p_other) {
+	godot::api->godot_pool_color_array_destroy(&_godot_array);
+	godot::api->godot_pool_color_array_new_copy(&_godot_array, &p_other._godot_array);
+	return *this;
+}
+
+PoolColorArray::PoolColorArray(const Array &array) {
+	godot::api->godot_pool_color_array_new_with_array(&_godot_array, (godot_array *)&array);
+}
+
+PoolColorArray::Read PoolColorArray::read() const {
+	Read read;
+	read._read_access = godot::api->godot_pool_color_array_read(&_godot_array);
+	return read;
+}
+
+PoolColorArray::Write PoolColorArray::write() {
+	Write write;
+	write._write_access = godot::api->godot_pool_color_array_write(&_godot_array);
+	return write;
+}
+
+void PoolColorArray::append(const Color &data) {
+	godot::api->godot_pool_color_array_append(&_godot_array, (godot_color *)&data);
+}
+
+void PoolColorArray::append_array(const PoolColorArray &array) {
+	godot::api->godot_pool_color_array_append_array(&_godot_array, &array._godot_array);
+}
+
+int PoolColorArray::insert(const int idx, const Color &data) {
+	return godot::api->godot_pool_color_array_insert(&_godot_array, idx, (godot_color *)&data);
+}
+
+void PoolColorArray::invert() {
+	godot::api->godot_pool_color_array_invert(&_godot_array);
+}
+
+void PoolColorArray::push_back(const Color &data) {
+	godot::api->godot_pool_color_array_push_back(&_godot_array, (godot_color *)&data);
+}
+
+void PoolColorArray::remove(const int idx) {
+	godot::api->godot_pool_color_array_remove(&_godot_array, idx);
+}
+
+void PoolColorArray::resize(const int size) {
+	godot::api->godot_pool_color_array_resize(&_godot_array, size);
+}
+
+void PoolColorArray::set(const int idx, const Color &data) {
+	godot::api->godot_pool_color_array_set(&_godot_array, idx, (godot_color *)&data);
+}
+
+const Color PoolColorArray::operator[](const int idx) {
+	Color v;
+	*(godot_color *)&v = godot::api->godot_pool_color_array_get(&_godot_array, idx);
+	return v;
+}
+
+int PoolColorArray::size() const {
+	return godot::api->godot_pool_color_array_size(&_godot_array);
+}
+
+PoolColorArray::~PoolColorArray() {
+	godot::api->godot_pool_color_array_destroy(&_godot_array);
+}
+
+} // namespace godot

src/core/Quat.cpp

@@ -0,0 +1,352 @@
+/*************************************************************************/
+/*  Quat.cpp                                                             */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                      https://godotengine.org                          */
+/*************************************************************************/
+/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur.                 */
+/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md).   */
+/*                                                                       */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the       */
+/* "Software"), to deal in the Software without restriction, including   */
+/* without limitation the rights to use, copy, modify, merge, publish,   */
+/* distribute, sublicense, and/or sell copies of the Software, and to    */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions:                                             */
+/*                                                                       */
+/* The above copyright notice and this permission notice shall be        */
+/* included in all copies or substantial portions of the Software.       */
+/*                                                                       */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
+/*************************************************************************/
+
+#include "Quat.hpp"
+#include "Basis.hpp"
+#include "Defs.hpp"
+#include "Vector3.hpp"
+
+#include <cmath>
+
+namespace godot {
+
+const Quat Quat::IDENTITY = Quat();
+
+// set_euler_xyz expects a vector containing the Euler angles in the format
+// (ax,ay,az), where ax is the angle of rotation around x axis,
+// and similar for other axes.
+// This implementation uses XYZ convention (Z is the first rotation).
+void Quat::set_euler_xyz(const Vector3 &p_euler) {
+	real_t half_a1 = p_euler.x * 0.5;
+	real_t half_a2 = p_euler.y * 0.5;
+	real_t half_a3 = p_euler.z * 0.5;
+
+	// R = X(a1).Y(a2).Z(a3) convention for Euler angles.
+	// Conversion to quaternion as listed in https://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19770024290.pdf (page A-2)
+	// a3 is the angle of the first rotation, following the notation in this reference.
+
+	real_t cos_a1 = ::cos(half_a1);
+	real_t sin_a1 = ::sin(half_a1);
+	real_t cos_a2 = ::cos(half_a2);
+	real_t sin_a2 = ::sin(half_a2);
+	real_t cos_a3 = ::cos(half_a3);
+	real_t sin_a3 = ::sin(half_a3);
+
+	set(sin_a1 * cos_a2 * cos_a3 + sin_a2 * sin_a3 * cos_a1,
+			-sin_a1 * sin_a3 * cos_a2 + sin_a2 * cos_a1 * cos_a3,
+			sin_a1 * sin_a2 * cos_a3 + sin_a3 * cos_a1 * cos_a2,
+			-sin_a1 * sin_a2 * sin_a3 + cos_a1 * cos_a2 * cos_a3);
+}
+
+// get_euler_xyz returns a vector containing the Euler angles in the format
+// (ax,ay,az), where ax is the angle of rotation around x axis,
+// and similar for other axes.
+// This implementation uses XYZ convention (Z is the first rotation).
+Vector3 Quat::get_euler_xyz() const {
+	Basis m(*this);
+	return m.get_euler_xyz();
+}
+
+// set_euler_yxz expects a vector containing the Euler angles in the format
+// (ax,ay,az), where ax is the angle of rotation around x axis,
+// and similar for other axes.
+// This implementation uses YXZ convention (Z is the first rotation).
+void Quat::set_euler_yxz(const Vector3 &p_euler) {
+	real_t half_a1 = p_euler.y * 0.5;
+	real_t half_a2 = p_euler.x * 0.5;
+	real_t half_a3 = p_euler.z * 0.5;
+
+	// R = Y(a1).X(a2).Z(a3) convention for Euler angles.
+	// Conversion to quaternion as listed in https://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19770024290.pdf (page A-6)
+	// a3 is the angle of the first rotation, following the notation in this reference.
+
+	real_t cos_a1 = ::cos(half_a1);
+	real_t sin_a1 = ::sin(half_a1);
+	real_t cos_a2 = ::cos(half_a2);
+	real_t sin_a2 = ::sin(half_a2);
+	real_t cos_a3 = ::cos(half_a3);
+	real_t sin_a3 = ::sin(half_a3);
+
+	set(sin_a1 * cos_a2 * sin_a3 + cos_a1 * sin_a2 * cos_a3,
+			sin_a1 * cos_a2 * cos_a3 - cos_a1 * sin_a2 * sin_a3,
+			-sin_a1 * sin_a2 * cos_a3 + cos_a1 * sin_a2 * sin_a3,
+			sin_a1 * sin_a2 * sin_a3 + cos_a1 * cos_a2 * cos_a3);
+}
+
+// get_euler_yxz returns a vector containing the Euler angles in the format
+// (ax,ay,az), where ax is the angle of rotation around x axis,
+// and similar for other axes.
+// This implementation uses YXZ convention (Z is the first rotation).
+Vector3 Quat::get_euler_yxz() const {
+	Basis m(*this);
+	return m.get_euler_yxz();
+}
+
+real_t Quat::length() const {
+	return ::sqrt(length_squared());
+}
+
+void Quat::normalize() {
+	*this /= length();
+}
+
+Quat Quat::normalized() const {
+	return *this / length();
+}
+
+bool Quat::is_normalized() const {
+	return std::abs(length_squared() - 1.0) < 0.00001;
+}
+
+Quat Quat::inverse() const {
+	return Quat(-x, -y, -z, w);
+}
+
+Quat Quat::slerp(const Quat &q, const real_t &t) const {
+	Quat to1;
+	real_t omega, cosom, sinom, scale0, scale1;
+
+	// calc cosine
+	cosom = dot(q);
+
+	// adjust signs (if necessary)
+	if (cosom < 0.0) {
+		cosom = -cosom;
+		to1.x = -q.x;
+		to1.y = -q.y;
+		to1.z = -q.z;
+		to1.w = -q.w;
+	} else {
+		to1.x = q.x;
+		to1.y = q.y;
+		to1.z = q.z;
+		to1.w = q.w;
+	}
+
+	// calculate coefficients
+
+	if ((1.0 - cosom) > CMP_EPSILON) {
+		// standard case (slerp)
+		omega = ::acos(cosom);
+		sinom = ::sin(omega);
+		scale0 = ::sin((1.0 - t) * omega) / sinom;
+		scale1 = ::sin(t * omega) / sinom;
+	} else {
+		// "from" and "to" quaternions are very close
+		//  ... so we can do a linear interpolation
+		scale0 = 1.0 - t;
+		scale1 = t;
+	}
+	// calculate final values
+	return Quat(
+			scale0 * x + scale1 * to1.x,
+			scale0 * y + scale1 * to1.y,
+			scale0 * z + scale1 * to1.z,
+			scale0 * w + scale1 * to1.w);
+}
+
+Quat Quat::slerpni(const Quat &q, const real_t &t) const {
+	const Quat &from = *this;
+
+	real_t dot = from.dot(q);
+
+	if (::fabs(dot) > 0.9999)
+		return from;
+
+	real_t theta = ::acos(dot),
+		   sinT = 1.0 / ::sin(theta),
+		   newFactor = ::sin(t * theta) * sinT,
+		   invFactor = ::sin((1.0 - t) * theta) * sinT;
+
+	return Quat(invFactor * from.x + newFactor * q.x,
+			invFactor * from.y + newFactor * q.y,
+			invFactor * from.z + newFactor * q.z,
+			invFactor * from.w + newFactor * q.w);
+}
+
+Quat Quat::cubic_slerp(const Quat &q, const Quat &prep, const Quat &postq, const real_t &t) const {
+	//the only way to do slerp :|
+	real_t t2 = (1.0 - t) * t * 2;
+	Quat sp = this->slerp(q, t);
+	Quat sq = prep.slerpni(postq, t);
+	return sp.slerpni(sq, t2);
+}
+
+void Quat::get_axis_and_angle(Vector3 &r_axis, real_t &r_angle) const {
+	r_angle = 2 * ::acos(w);
+	r_axis.x = x / ::sqrt(1 - w * w);
+	r_axis.y = y / ::sqrt(1 - w * w);
+	r_axis.z = z / ::sqrt(1 - w * w);
+}
+
+void Quat::set_axis_angle(const Vector3 &axis, const float angle) {
+	ERR_FAIL_COND(!axis.is_normalized());
+
+	real_t d = axis.length();
+	if (d == 0)
+		set(0, 0, 0, 0);
+	else {
+		real_t sin_angle = ::sin(angle * 0.5);
+		real_t cos_angle = ::cos(angle * 0.5);
+		real_t s = sin_angle / d;
+		set(axis.x * s, axis.y * s, axis.z * s,
+				cos_angle);
+	}
+}
+
+Quat Quat::operator*(const Vector3 &v) const {
+	return Quat(w * v.x + y * v.z - z * v.y,
+			w * v.y + z * v.x - x * v.z,
+			w * v.z + x * v.y - y * v.x,
+			-x * v.x - y * v.y - z * v.z);
+}
+
+Vector3 Quat::xform(const Vector3 &v) const {
+	Quat q = *this * v;
+	q *= this->inverse();
+	return Vector3(q.x, q.y, q.z);
+}
+
+Quat::operator String() const {
+	return String(); // @Todo
+}
+
+Quat::Quat(const Vector3 &axis, const real_t &angle) {
+	real_t d = axis.length();
+	if (d == 0)
+		set(0, 0, 0, 0);
+	else {
+		real_t sin_angle = ::sin(angle * 0.5);
+		real_t cos_angle = ::cos(angle * 0.5);
+		real_t s = sin_angle / d;
+		set(axis.x * s, axis.y * s, axis.z * s,
+				cos_angle);
+	}
+}
+
+Quat::Quat(const Vector3 &v0, const Vector3 &v1) // shortest arc
+{
+	Vector3 c = v0.cross(v1);
+	real_t d = v0.dot(v1);
+
+	if (d < -1.0 + CMP_EPSILON) {
+		x = 0;
+		y = 1;
+		z = 0;
+		w = 0;
+	} else {
+		real_t s = ::sqrt((1.0 + d) * 2.0);
+		real_t rs = 1.0 / s;
+
+		x = c.x * rs;
+		y = c.y * rs;
+		z = c.z * rs;
+		w = s * 0.5;
+	}
+}
+
+real_t Quat::dot(const Quat &q) const {
+	return x * q.x + y * q.y + z * q.z + w * q.w;
+}
+
+real_t Quat::length_squared() const {
+	return dot(*this);
+}
+
+void Quat::operator+=(const Quat &q) {
+	x += q.x;
+	y += q.y;
+	z += q.z;
+	w += q.w;
+}
+
+void Quat::operator-=(const Quat &q) {
+	x -= q.x;
+	y -= q.y;
+	z -= q.z;
+	w -= q.w;
+}
+
+void Quat::operator*=(const Quat &q) {
+	set(w * q.x + x * q.w + y * q.z - z * q.y,
+			w * q.y + y * q.w + z * q.x - x * q.z,
+			w * q.z + z * q.w + x * q.y - y * q.x,
+			w * q.w - x * q.x - y * q.y - z * q.z);
+}
+
+void Quat::operator*=(const real_t &s) {
+	x *= s;
+	y *= s;
+	z *= s;
+	w *= s;
+}
+
+void Quat::operator/=(const real_t &s) {
+	*this *= 1.0 / s;
+}
+
+Quat Quat::operator+(const Quat &q2) const {
+	const Quat &q1 = *this;
+	return Quat(q1.x + q2.x, q1.y + q2.y, q1.z + q2.z, q1.w + q2.w);
+}
+
+Quat Quat::operator-(const Quat &q2) const {
+	const Quat &q1 = *this;
+	return Quat(q1.x - q2.x, q1.y - q2.y, q1.z - q2.z, q1.w - q2.w);
+}
+
+Quat Quat::operator*(const Quat &q2) const {
+	Quat q1 = *this;
+	q1 *= q2;
+	return q1;
+}
+
+Quat Quat::operator-() const {
+	const Quat &q2 = *this;
+	return Quat(-q2.x, -q2.y, -q2.z, -q2.w);
+}
+
+Quat Quat::operator*(const real_t &s) const {
+	return Quat(x * s, y * s, z * s, w * s);
+}
+
+Quat Quat::operator/(const real_t &s) const {
+	return *this * (1.0 / s);
+}
+
+bool Quat::operator==(const Quat &p_quat) const {
+	return x == p_quat.x && y == p_quat.y && z == p_quat.z && w == p_quat.w;
+}
+
+bool Quat::operator!=(const Quat &p_quat) const {
+	return x != p_quat.x || y != p_quat.y || z != p_quat.z || w != p_quat.w;
+}
+
+} // namespace godot

src/core/RID.cpp

@@ -0,0 +1,79 @@
+/*************************************************************************/
+/*  RID.cpp                                                              */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                      https://godotengine.org                          */
+/*************************************************************************/
+/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur.                 */
+/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md).   */
+/*                                                                       */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the       */
+/* "Software"), to deal in the Software without restriction, including   */
+/* without limitation the rights to use, copy, modify, merge, publish,   */
+/* distribute, sublicense, and/or sell copies of the Software, and to    */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions:                                             */
+/*                                                                       */
+/* The above copyright notice and this permission notice shall be        */
+/* included in all copies or substantial portions of the Software.       */
+/*                                                                       */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
+/*************************************************************************/
+
+#include "RID.hpp"
+
+#include <gdnative/rid.h>
+
+#include "GodotGlobal.hpp"
+
+namespace godot {
+
+RID::RID() {
+	godot::api->godot_rid_new(&_godot_rid);
+}
+
+RID::RID(Object *p) {
+	godot::api->godot_rid_new_with_resource(&_godot_rid, (const godot_object *)p);
+}
+
+godot_rid RID::_get_godot_rid() const {
+	return _godot_rid;
+}
+
+int32_t RID::get_id() const {
+	return godot::api->godot_rid_get_id(&_godot_rid);
+}
+
+bool RID::operator==(const RID &p_other) const {
+	return godot::api->godot_rid_operator_equal(&_godot_rid, &p_other._godot_rid);
+}
+
+bool RID::operator!=(const RID &p_other) const {
+	return !(*this == p_other);
+}
+
+bool RID::operator<(const RID &p_other) const {
+	return godot::api->godot_rid_operator_less(&_godot_rid, &p_other._godot_rid);
+}
+
+bool RID::operator>(const RID &p_other) const {
+	return !(*this < p_other) && *this != p_other;
+}
+
+bool RID::operator<=(const RID &p_other) const {
+	return (*this < p_other) || *this == p_other;
+}
+
+bool RID::operator>=(const RID &p_other) const {
+	return !(*this < p_other);
+}
+
+} // namespace godot

src/core/Rect2.cpp

@@ -0,0 +1,323 @@
+/*************************************************************************/
+/*  Rect2.cpp                                                            */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                      https://godotengine.org                          */
+/*************************************************************************/
+/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur.                 */
+/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md).   */
+/*                                                                       */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the       */
+/* "Software"), to deal in the Software without restriction, including   */
+/* without limitation the rights to use, copy, modify, merge, publish,   */
+/* distribute, sublicense, and/or sell copies of the Software, and to    */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions:                                             */
+/*                                                                       */
+/* The above copyright notice and this permission notice shall be        */
+/* included in all copies or substantial portions of the Software.       */
+/*                                                                       */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
+/*************************************************************************/
+
+#include "Rect2.hpp"
+#include "String.hpp"
+#include "Transform2D.hpp"
+#include "Vector2.hpp"
+
+#include <cmath>
+
+namespace godot {
+
+#ifndef MAX
+#define MAX(a, b) (a > b ? a : b)
+#endif
+
+#ifndef MIN
+#define MIN(a, b) (a < b ? a : b)
+#endif
+
+real_t Rect2::distance_to(const Vector2 &p_point) const {
+	real_t dist = 0.0;
+	bool inside = true;
+
+	if (p_point.x < position.x) {
+		real_t d = position.x - p_point.x;
+		dist = d;
+		inside = false;
+	}
+	if (p_point.y < position.y) {
+		real_t d = position.y - p_point.y;
+		dist = inside ? d : MIN(dist, d);
+		inside = false;
+	}
+	if (p_point.x >= (position.x + size.x)) {
+		real_t d = p_point.x - (position.x + size.x);
+		dist = inside ? d : MIN(dist, d);
+		inside = false;
+	}
+	if (p_point.y >= (position.y + size.y)) {
+		real_t d = p_point.y - (position.y + size.y);
+		dist = inside ? d : MIN(dist, d);
+		inside = false;
+	}
+
+	if (inside) {
+		return 0;
+	} else {
+		return dist;
+	}
+}
+
+Rect2 Rect2::clip(const Rect2 &p_rect) const { /// return a clipped rect
+
+	Rect2 new_rect = p_rect;
+
+	if (!intersects(new_rect))
+		return Rect2();
+
+	new_rect.position.x = MAX(p_rect.position.x, position.x);
+	new_rect.position.y = MAX(p_rect.position.y, position.y);
+
+	Point2 p_rect_end = p_rect.position + p_rect.size;
+	Point2 end = position + size;
+
+	new_rect.size.x = MIN(p_rect_end.x, end.x) - new_rect.position.x;
+	new_rect.size.y = MIN(p_rect_end.y, end.y) - new_rect.position.y;
+
+	return new_rect;
+}
+
+Rect2 Rect2::merge(const Rect2 &p_rect) const { ///< return a merged rect
+
+	Rect2 new_rect;
+
+	new_rect.position.x = MIN(p_rect.position.x, position.x);
+	new_rect.position.y = MIN(p_rect.position.y, position.y);
+
+	new_rect.size.x = MAX(p_rect.position.x + p_rect.size.x, position.x + size.x);
+	new_rect.size.y = MAX(p_rect.position.y + p_rect.size.y, position.y + size.y);
+
+	new_rect.size = new_rect.size - new_rect.position; //make relative again
+
+	return new_rect;
+}
+
+Rect2::operator String() const {
+	return String(position) + ", " + String(size);
+}
+
+bool Rect2::intersects_segment(const Point2 &p_from, const Point2 &p_to, Point2 *r_position, Point2 *r_normal) const {
+	real_t min = 0, max = 1;
+	int axis = 0;
+	real_t sign = 0;
+
+	for (int i = 0; i < 2; i++) {
+		real_t seg_from = p_from[i];
+		real_t seg_to = p_to[i];
+		real_t box_begin = position[i];
+		real_t box_end = box_begin + size[i];
+		real_t cmin, cmax;
+		real_t csign;
+
+		if (seg_from < seg_to) {
+			if (seg_from > box_end || seg_to < box_begin)
+				return false;
+			real_t length = seg_to - seg_from;
+			cmin = (seg_from < box_begin) ? ((box_begin - seg_from) / length) : 0;
+			cmax = (seg_to > box_end) ? ((box_end - seg_from) / length) : 1;
+			csign = -1.0;
+
+		} else {
+			if (seg_to > box_end || seg_from < box_begin)
+				return false;
+			real_t length = seg_to - seg_from;
+			cmin = (seg_from > box_end) ? (box_end - seg_from) / length : 0;
+			cmax = (seg_to < box_begin) ? (box_begin - seg_from) / length : 1;
+			csign = 1.0;
+		}
+
+		if (cmin > min) {
+			min = cmin;
+			axis = i;
+			sign = csign;
+		}
+		if (cmax < max)
+			max = cmax;
+		if (max < min)
+			return false;
+	}
+
+	Vector2 rel = p_to - p_from;
+
+	if (r_normal) {
+		Vector2 normal;
+		normal[axis] = sign;
+		*r_normal = normal;
+	}
+
+	if (r_position)
+		*r_position = p_from + rel * min;
+
+	return true;
+}
+
+bool Rect2::intersects_transformed(const Transform2D &p_xform, const Rect2 &p_rect) const {
+	//SAT intersection between local and transformed rect2
+
+	Vector2 xf_points[4] = {
+		p_xform.xform(p_rect.position),
+		p_xform.xform(Vector2(p_rect.position.x + p_rect.size.x, p_rect.position.y)),
+		p_xform.xform(Vector2(p_rect.position.x, p_rect.position.y + p_rect.size.y)),
+		p_xform.xform(Vector2(p_rect.position.x + p_rect.size.x, p_rect.position.y + p_rect.size.y)),
+	};
+
+	real_t low_limit;
+
+	//base rect2 first (faster)
+
+	if (xf_points[0].y > position.y)
+		goto next1;
+	if (xf_points[1].y > position.y)
+		goto next1;
+	if (xf_points[2].y > position.y)
+		goto next1;
+	if (xf_points[3].y > position.y)
+		goto next1;
+
+	return false;
+
+next1:
+
+	low_limit = position.y + size.y;
+
+	if (xf_points[0].y < low_limit)
+		goto next2;
+	if (xf_points[1].y < low_limit)
+		goto next2;
+	if (xf_points[2].y < low_limit)
+		goto next2;
+	if (xf_points[3].y < low_limit)
+		goto next2;
+
+	return false;
+
+next2:
+
+	if (xf_points[0].x > position.x)
+		goto next3;
+	if (xf_points[1].x > position.x)
+		goto next3;
+	if (xf_points[2].x > position.x)
+		goto next3;
+	if (xf_points[3].x > position.x)
+		goto next3;
+
+	return false;
+
+next3:
+
+	low_limit = position.x + size.x;
+
+	if (xf_points[0].x < low_limit)
+		goto next4;
+	if (xf_points[1].x < low_limit)
+		goto next4;
+	if (xf_points[2].x < low_limit)
+		goto next4;
+	if (xf_points[3].x < low_limit)
+		goto next4;
+
+	return false;
+
+next4:
+
+	Vector2 xf_points2[4] = {
+		position,
+		Vector2(position.x + size.x, position.y),
+		Vector2(position.x, position.y + size.y),
+		Vector2(position.x + size.x, position.y + size.y),
+	};
+
+	real_t maxa = p_xform.elements[0].dot(xf_points2[0]);
+	real_t mina = maxa;
+
+	real_t dp = p_xform.elements[0].dot(xf_points2[1]);
+	maxa = MAX(dp, maxa);
+	mina = MIN(dp, mina);
+
+	dp = p_xform.elements[0].dot(xf_points2[2]);
+	maxa = MAX(dp, maxa);
+	mina = MIN(dp, mina);
+
+	dp = p_xform.elements[0].dot(xf_points2[3]);
+	maxa = MAX(dp, maxa);
+	mina = MIN(dp, mina);
+
+	real_t maxb = p_xform.elements[0].dot(xf_points[0]);
+	real_t minb = maxb;
+
+	dp = p_xform.elements[0].dot(xf_points[1]);
+	maxb = MAX(dp, maxb);
+	minb = MIN(dp, minb);
+
+	dp = p_xform.elements[0].dot(xf_points[2]);
+	maxb = MAX(dp, maxb);
+	minb = MIN(dp, minb);
+
+	dp = p_xform.elements[0].dot(xf_points[3]);
+	maxb = MAX(dp, maxb);
+	minb = MIN(dp, minb);
+
+	if (mina > maxb)
+		return false;
+	if (minb > maxa)
+		return false;
+
+	maxa = p_xform.elements[1].dot(xf_points2[0]);
+	mina = maxa;
+
+	dp = p_xform.elements[1].dot(xf_points2[1]);
+	maxa = MAX(dp, maxa);
+	mina = MIN(dp, mina);
+
+	dp = p_xform.elements[1].dot(xf_points2[2]);
+	maxa = MAX(dp, maxa);
+	mina = MIN(dp, mina);
+
+	dp = p_xform.elements[1].dot(xf_points2[3]);
+	maxa = MAX(dp, maxa);
+	mina = MIN(dp, mina);
+
+	maxb = p_xform.elements[1].dot(xf_points[0]);
+	minb = maxb;
+
+	dp = p_xform.elements[1].dot(xf_points[1]);
+	maxb = MAX(dp, maxb);
+	minb = MIN(dp, minb);
+
+	dp = p_xform.elements[1].dot(xf_points[2]);
+	maxb = MAX(dp, maxb);
+	minb = MIN(dp, minb);
+
+	dp = p_xform.elements[1].dot(xf_points[3]);
+	maxb = MAX(dp, maxb);
+	minb = MIN(dp, minb);
+
+	if (mina > maxb)
+		return false;
+	if (minb > maxa)
+		return false;
+
+	return true;
+}
+
+} // namespace godot

src/core/String.cpp

@@ -0,0 +1,522 @@
+/*************************************************************************/
+/*  String.cpp                                                           */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                      https://godotengine.org                          */
+/*************************************************************************/
+/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur.                 */
+/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md).   */
+/*                                                                       */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the       */
+/* "Software"), to deal in the Software without restriction, including   */
+/* without limitation the rights to use, copy, modify, merge, publish,   */
+/* distribute, sublicense, and/or sell copies of the Software, and to    */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions:                                             */
+/*                                                                       */
+/* The above copyright notice and this permission notice shall be        */
+/* included in all copies or substantial portions of the Software.       */
+/*                                                                       */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
+/*************************************************************************/
+
+#include "String.hpp"
+
+#include "Array.hpp"
+#include "GodotGlobal.hpp"
+#include "NodePath.hpp"
+#include "PoolArrays.hpp"
+#include "Variant.hpp"
+
+#include <gdnative/string.h>
+
+#include <string.h>
+
+namespace godot {
+
+godot::CharString::~CharString() {
+	godot::api->godot_char_string_destroy(&_char_string);
+}
+
+int godot::CharString::length() const {
+	return godot::api->godot_char_string_length(&_char_string);
+}
+
+const char *godot::CharString::get_data() const {
+	return godot::api->godot_char_string_get_data(&_char_string);
+}
+
+String String::num(double p_num, int p_decimals) {
+	return String(godot::api->godot_string_num_with_decimals(p_num, p_decimals));
+}
+
+String String::num_scientific(double p_num) {
+	return String(godot::api->godot_string_num_scientific(p_num));
+}
+
+String String::num_real(double p_num) {
+	return String(godot::api->godot_string_num_real(p_num));
+}
+
+String String::num_int64(int64_t p_num, int base, bool capitalize_hex) {
+	return String(godot::api->godot_string_num_int64_capitalized(p_num, base, capitalize_hex));
+}
+
+String String::chr(godot_char_type p_char) {
+	return String(godot::api->godot_string_chr(p_char));
+}
+
+String String::md5(const uint8_t *p_md5) {
+	return String(godot::api->godot_string_md5(p_md5));
+}
+
+String String::hex_encode_buffer(const uint8_t *p_buffer, int p_len) {
+	return String(godot::api->godot_string_hex_encode_buffer(p_buffer, p_len));
+}
+
+godot::String::String() {
+	godot::api->godot_string_new(&_godot_string);
+}
+
+String::String(const char *contents) {
+	godot::api->godot_string_new(&_godot_string);
+	godot::api->godot_string_parse_utf8(&_godot_string, contents);
+}
+
+String::String(const wchar_t *contents) {
+	godot::api->godot_string_new_with_wide_string(&_godot_string, contents, wcslen(contents));
+}
+
+String::String(const wchar_t c) {
+	godot::api->godot_string_new_with_wide_string(&_godot_string, &c, 1);
+}
+
+String::String(const String &other) {
+	godot::api->godot_string_new_copy(&_godot_string, &other._godot_string);
+}
+
+String::String(String &&other) {
+	godot::api->godot_string_new_copy(&_godot_string, &other._godot_string);
+}
+
+String::~String() {
+	godot::api->godot_string_destroy(&_godot_string);
+}
+
+wchar_t &String::operator[](const int idx) {
+	return *const_cast<wchar_t *>(godot::api->godot_string_operator_index(&_godot_string, idx));
+}
+
+wchar_t String::operator[](const int idx) const {
+	return *godot::api->godot_string_operator_index((godot_string *)&_godot_string, idx);
+}
+
+int String::length() const {
+	return godot::api->godot_string_length(&_godot_string);
+}
+
+void String::operator=(const String &s) {
+	godot::api->godot_string_destroy(&_godot_string);
+	godot::api->godot_string_new_copy(&_godot_string, &s._godot_string);
+}
+
+void String::operator=(String &&s) {
+	godot::api->godot_string_destroy(&_godot_string);
+	godot::api->godot_string_new_copy(&_godot_string, &s._godot_string);
+}
+
+bool String::operator==(const String &s) const {
+	return godot::api->godot_string_operator_equal(&_godot_string, &s._godot_string);
+}
+
+bool String::operator!=(const String &s) const {
+	return !(*this == s);
+}
+
+String String::operator+(const String &s) const {
+	return String(godot::api->godot_string_operator_plus(&_godot_string, &s._godot_string));
+}
+
+void String::operator+=(const String &s) {
+	*this = String(godot::api->godot_string_operator_plus(&_godot_string, &s._godot_string));
+}
+
+void String::operator+=(const wchar_t c) {
+	String _to_be_added = String(c);
+	*this = String(godot::api->godot_string_operator_plus(&_godot_string, &_to_be_added._godot_string));
+}
+
+bool String::operator<(const String &s) const {
+	return godot::api->godot_string_operator_less(&_godot_string, &s._godot_string);
+}
+
+bool String::operator<=(const String &s) const {
+	return godot::api->godot_string_operator_less(&_godot_string, &s._godot_string) ||
+		   (*this == s);
+}
+
+bool String::operator>(const String &s) const {
+	return !(*this <= s);
+}
+
+bool String::operator>=(const String &s) const {
+	return !(*this < s);
+}
+
+String::operator NodePath() const {
+	return NodePath(*this);
+}
+
+const wchar_t *String::unicode_str() const {
+	return godot::api->godot_string_wide_str(&_godot_string);
+}
+
+char *String::alloc_c_string() const {
+	godot_char_string contents = godot::api->godot_string_utf8(&_godot_string);
+
+	int length = godot::api->godot_char_string_length(&contents);
+
+	char *result = (char *)godot::api->godot_alloc(length + 1);
+
+	if (result) {
+		memcpy(result, godot::api->godot_char_string_get_data(&contents), length + 1);
+	}
+
+	godot::api->godot_char_string_destroy(&contents);
+
+	return result;
+}
+
+CharString String::utf8() const {
+	CharString ret;
+
+	ret._char_string = godot::api->godot_string_utf8(&_godot_string);
+
+	return ret;
+}
+
+CharString String::ascii(bool p_extended) const {
+	CharString ret;
+
+	if (p_extended)
+		ret._char_string = godot::api->godot_string_ascii_extended(&_godot_string);
+	else
+		ret._char_string = godot::api->godot_string_ascii(&_godot_string);
+
+	return ret;
+}
+
+String operator+(const char *a, const String &b) {
+	return String(a) + b;
+}
+
+String operator+(const wchar_t *a, const String &b) {
+	return String(a) + b;
+}
+
+bool String::begins_with(const String &p_string) const {
+	return godot::api->godot_string_begins_with(&_godot_string, &p_string._godot_string);
+}
+
+bool String::begins_with_char_array(const char *p_char_array) const {
+	return godot::api->godot_string_begins_with_char_array(&_godot_string, p_char_array);
+}
+
+PoolStringArray String::bigrams() const {
+	godot_array arr = godot::api->godot_string_bigrams(&_godot_string);
+	return Array(arr);
+}
+
+String String::c_escape() const {
+	return String(godot::api->godot_string_c_escape(&_godot_string));
+}
+
+String String::c_unescape() const {
+	return String(godot::api->godot_string_c_unescape(&_godot_string));
+}
+
+String String::capitalize() const {
+	return String(godot::api->godot_string_capitalize(&_godot_string));
+}
+
+bool String::empty() const {
+	return godot::api->godot_string_empty(&_godot_string);
+}
+
+bool String::ends_with(const String &p_string) const {
+	return godot::api->godot_string_ends_with(&_godot_string, &p_string._godot_string);
+}
+
+void String::erase(int position, int chars) {
+	godot::api->godot_string_erase(&_godot_string, position, chars);
+}
+
+int String::find(String p_what, int p_from) const {
+	return godot::api->godot_string_find_from(&_godot_string, p_what._godot_string, p_from);
+}
+
+int String::find_last(String p_what) const {
+	return godot::api->godot_string_find_last(&_godot_string, p_what._godot_string);
+}
+
+int String::findn(String p_what, int p_from) const {
+	return godot::api->godot_string_findn_from(&_godot_string, p_what._godot_string, p_from);
+}
+
+String String::format(Variant values) const {
+	return String(godot::api->godot_string_format(&_godot_string, (godot_variant *)&values));
+}
+
+String String::format(Variant values, String placeholder) const {
+	godot_char_string contents = godot::api->godot_string_utf8(&placeholder._godot_string);
+	String new_string(godot::api->godot_string_format_with_custom_placeholder(&_godot_string, (godot_variant *)&values, godot::api->godot_char_string_get_data(&contents)));
+	godot::api->godot_char_string_destroy(&contents);
+
+	return new_string;
+}
+
+String String::get_base_dir() const {
+	return String(godot::api->godot_string_get_base_dir(&_godot_string));
+}
+
+String String::get_basename() const {
+	return String(godot::api->godot_string_get_basename(&_godot_string));
+}
+
+String String::get_extension() const {
+	return String(godot::api->godot_string_get_extension(&_godot_string));
+}
+
+String String::get_file() const {
+	return String(godot::api->godot_string_get_file(&_godot_string));
+}
+
+int String::hash() const {
+	return godot::api->godot_string_hash(&_godot_string);
+}
+
+int String::hex_to_int() const {
+	return godot::api->godot_string_hex_to_int(&_godot_string);
+}
+
+String String::insert(int position, String what) const {
+	return String(godot::api->godot_string_insert(&_godot_string, position, what._godot_string));
+}
+
+bool String::is_abs_path() const {
+	return godot::api->godot_string_is_abs_path(&_godot_string);
+}
+
+bool String::is_rel_path() const {
+	return godot::api->godot_string_is_rel_path(&_godot_string);
+}
+
+bool String::is_subsequence_of(String text) const {
+	return godot::api->godot_string_is_subsequence_of(&_godot_string, &text._godot_string);
+}
+
+bool String::is_subsequence_ofi(String text) const {
+	return godot::api->godot_string_is_subsequence_ofi(&_godot_string, &text._godot_string);
+}
+
+bool String::is_valid_float() const {
+	return godot::api->godot_string_is_valid_float(&_godot_string);
+}
+
+bool String::is_valid_html_color() const {
+	return godot::api->godot_string_is_valid_html_color(&_godot_string);
+}
+
+bool String::is_valid_identifier() const {
+	return godot::api->godot_string_is_valid_identifier(&_godot_string);
+}
+
+bool String::is_valid_integer() const {
+	return godot::api->godot_string_is_numeric(&_godot_string);
+}
+
+bool String::is_valid_ip_address() const {
+	return godot::api->godot_string_is_valid_ip_address(&_godot_string);
+}
+
+String String::json_escape() const {
+	return String(godot::api->godot_string_json_escape(&_godot_string));
+}
+
+String String::left(int position) const {
+	return String(godot::api->godot_string_left(&_godot_string, position));
+}
+
+bool String::match(String expr) const {
+	return godot::api->godot_string_match(&_godot_string, &expr._godot_string);
+}
+
+bool String::matchn(String expr) const {
+	return godot::api->godot_string_match(&_godot_string, &expr._godot_string);
+}
+
+PoolByteArray String::md5_buffer() const {
+	godot_pool_byte_array arr = godot::api->godot_string_md5_buffer(&_godot_string);
+	return PoolByteArray(arr);
+}
+
+String String::md5_text() const {
+	return String(godot::api->godot_string_md5_text(&_godot_string));
+}
+
+int String::ord_at(int at) const {
+	return godot::api->godot_string_ord_at(&_godot_string, at);
+}
+
+String String::pad_decimals(int digits) const {
+	return String(godot::api->godot_string_pad_decimals(&_godot_string, digits));
+}
+
+String String::pad_zeros(int digits) const {
+	return String(godot::api->godot_string_pad_zeros(&_godot_string, digits));
+}
+
+String String::percent_decode() const {
+	return String(godot::api->godot_string_percent_decode(&_godot_string));
+}
+
+String String::percent_encode() const {
+	return String(godot::api->godot_string_percent_encode(&_godot_string));
+}
+
+String String::plus_file(String file) const {
+	return String(godot::api->godot_string_plus_file(&_godot_string, &file._godot_string));
+}
+
+String String::replace(String p_key, String p_with) const {
+	return String(godot::api->godot_string_replace(&_godot_string, p_key._godot_string, p_with._godot_string));
+}
+
+String String::replacen(String what, String forwhat) const {
+	return String(godot::api->godot_string_replacen(&_godot_string, what._godot_string, forwhat._godot_string));
+}
+
+int String::rfind(String p_what, int p_from) const {
+	return godot::api->godot_string_rfind_from(&_godot_string, p_what._godot_string, p_from);
+}
+
+int String::rfindn(String p_what, int p_from) const {
+	return godot::api->godot_string_rfindn_from(&_godot_string, p_what._godot_string, p_from);
+}
+
+String String::right(int position) const {
+	return String(godot::api->godot_string_right(&_godot_string, position));
+}
+
+PoolByteArray String::sha256_buffer() const {
+	godot_pool_byte_array arr = godot::api->godot_string_sha256_buffer(&_godot_string);
+	return PoolByteArray(arr);
+}
+
+String String::sha256_text() const {
+	return String(godot::api->godot_string_sha256_text(&_godot_string));
+}
+
+float String::similarity(String text) const {
+	return godot::api->godot_string_similarity(&_godot_string, &text._godot_string);
+}
+
+// TODO Suport allow_empty
+PoolStringArray String::split(String divisor, bool /*allow_empty*/) const {
+	godot_array arr = godot::api->godot_string_split(&_godot_string, &divisor._godot_string);
+	return Array(arr);
+}
+
+// TODO Suport allow_empty
+PoolIntArray String::split_ints(String divisor, bool /*allow_empty*/) const {
+	godot_array arr = godot::api->godot_string_split_floats(&_godot_string, &divisor._godot_string);
+	return Array(arr);
+}
+
+// TODO Suport allow_empty
+PoolRealArray String::split_floats(String divisor, bool /*allow_empty*/) const {
+	// TODO The GDNative API returns godot_array, when according to the doc, it should have been godot_pool_real_array
+	godot_array arr = godot::api->godot_string_split_floats(&_godot_string, &divisor._godot_string);
+	Array wrapped_array(arr);
+	return PoolRealArray(wrapped_array);
+}
+
+String String::strip_edges(bool left, bool right) const {
+	return String(godot::api->godot_string_strip_edges(&_godot_string, left, right));
+}
+
+String String::substr(int from, int len) const {
+	return String(godot::api->godot_string_substr(&_godot_string, from, len));
+}
+
+float String::to_float() const {
+	return godot::api->godot_string_to_float(&_godot_string);
+}
+
+int64_t String::to_int() const {
+	return godot::api->godot_string_to_int(&_godot_string);
+}
+
+String String::to_lower() const {
+	return String(godot::api->godot_string_to_lower(&_godot_string));
+}
+
+String String::to_upper() const {
+	return String(godot::api->godot_string_to_upper(&_godot_string));
+}
+
+String String::xml_escape() const {
+	return String(godot::api->godot_string_xml_escape(&_godot_string));
+}
+
+String String::xml_unescape() const {
+	return String(godot::api->godot_string_xml_unescape(&_godot_string));
+}
+
+signed char String::casecmp_to(String p_str) const {
+	return godot::api->godot_string_casecmp_to(&_godot_string, &p_str._godot_string);
+}
+
+signed char String::nocasecmp_to(String p_str) const {
+	return godot::api->godot_string_nocasecmp_to(&_godot_string, &p_str._godot_string);
+}
+
+signed char String::naturalnocasecmp_to(String p_str) const {
+	return godot::api->godot_string_naturalnocasecmp_to(&_godot_string, &p_str._godot_string);
+}
+
+String String::dedent() const {
+	godot_string s = godot::core_1_1_api->godot_string_dedent(&_godot_string);
+	return String(s);
+}
+
+PoolStringArray String::rsplit(const String &divisor, const bool allow_empty, const int maxsplit) const {
+	godot_pool_string_array arr =
+			godot::core_1_1_api->godot_string_rsplit(&_godot_string, &divisor._godot_string, allow_empty, maxsplit);
+	return PoolStringArray(arr);
+}
+
+String String::rstrip(const String &chars) const {
+	godot_string s = godot::core_1_1_api->godot_string_rstrip(&_godot_string, &chars._godot_string);
+	return String(s);
+}
+
+String String::trim_prefix(const String &prefix) const {
+	godot_string s = godot::core_1_1_api->godot_string_trim_prefix(&_godot_string, &prefix._godot_string);
+	return String(s);
+}
+
+String String::trim_suffix(const String &suffix) const {
+	godot_string s = godot::core_1_1_api->godot_string_trim_suffix(&_godot_string, &suffix._godot_string);
+	return String(s);
+}
+
+} // namespace godot

src/core/TagDB.cpp

@@ -0,0 +1,78 @@
+/*************************************************************************/
+/*  TagDP.cpp                                                            */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                      https://godotengine.org                          */
+/*************************************************************************/
+/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur.                 */
+/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md).   */
+/*                                                                       */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the       */
+/* "Software"), to deal in the Software without restriction, including   */
+/* without limitation the rights to use, copy, modify, merge, publish,   */
+/* distribute, sublicense, and/or sell copies of the Software, and to    */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions:                                             */
+/*                                                                       */
+/* The above copyright notice and this permission notice shall be        */
+/* included in all copies or substantial portions of the Software.       */
+/*                                                                       */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
+/*************************************************************************/
+
+#include "TagDB.hpp"
+
+#include <unordered_map>
+
+#include <GodotGlobal.hpp>
+
+namespace godot {
+
+namespace _TagDB {
+
+std::unordered_map<size_t, size_t> parent_to;
+
+void register_type(size_t type_tag, size_t base_type_tag) {
+	if (type_tag == base_type_tag) {
+		return;
+	}
+	parent_to[type_tag] = base_type_tag;
+}
+
+bool is_type_known(size_t type_tag) {
+	return parent_to.find(type_tag) != parent_to.end();
+}
+
+void register_global_type(const char *name, size_t type_tag, size_t base_type_tag) {
+	godot::nativescript_1_1_api->godot_nativescript_set_global_type_tag(godot::_RegisterState::language_index, name, (const void *)type_tag);
+
+	register_type(type_tag, base_type_tag);
+}
+
+bool is_type_compatible(size_t ask_tag, size_t have_tag) {
+	if (have_tag == 0)
+		return false;
+
+	size_t tag = have_tag;
+
+	while (tag != 0) {
+		if (tag == ask_tag)
+			return true;
+
+		tag = parent_to[tag];
+	}
+
+	return false;
+}
+
+} // namespace _TagDB
+
+} // namespace godot

src/core/Transform.cpp

@@ -0,0 +1,305 @@
+/*************************************************************************/
+/*  Transform.cpp                                                        */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                      https://godotengine.org                          */
+/*************************************************************************/
+/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur.                 */
+/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md).   */
+/*                                                                       */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the       */
+/* "Software"), to deal in the Software without restriction, including   */
+/* without limitation the rights to use, copy, modify, merge, publish,   */
+/* distribute, sublicense, and/or sell copies of the Software, and to    */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions:                                             */
+/*                                                                       */
+/* The above copyright notice and this permission notice shall be        */
+/* included in all copies or substantial portions of the Software.       */
+/*                                                                       */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
+/*************************************************************************/
+
+#include "Transform.hpp"
+
+#include "Basis.hpp"
+
+#include "AABB.hpp"
+#include "Plane.hpp"
+
+#include "Quat.hpp"
+
+namespace godot {
+
+const Transform Transform::IDENTITY = Transform();
+const Transform Transform::FLIP_X = Transform(-1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0);
+const Transform Transform::FLIP_Y = Transform(1, 0, 0, 0, -1, 0, 0, 0, 1, 0, 0, 0);
+const Transform Transform::FLIP_Z = Transform(1, 0, 0, 0, 1, 0, 0, 0, -1, 0, 0, 0);
+
+Transform Transform::inverse_xform(const Transform &t) const {
+	Vector3 v = t.origin - origin;
+	return Transform(basis.transpose_xform(t.basis),
+			basis.xform(v));
+}
+
+void Transform::set(real_t xx, real_t xy, real_t xz, real_t yx, real_t yy, real_t yz, real_t zx, real_t zy, real_t zz, real_t tx, real_t ty, real_t tz) {
+	basis.elements[0][0] = xx;
+	basis.elements[0][1] = xy;
+	basis.elements[0][2] = xz;
+	basis.elements[1][0] = yx;
+	basis.elements[1][1] = yy;
+	basis.elements[1][2] = yz;
+	basis.elements[2][0] = zx;
+	basis.elements[2][1] = zy;
+	basis.elements[2][2] = zz;
+	origin.x = tx;
+	origin.y = ty;
+	origin.z = tz;
+}
+
+Vector3 Transform::xform(const Vector3 &p_vector) const {
+	return Vector3(
+			basis.elements[0].dot(p_vector) + origin.x,
+			basis.elements[1].dot(p_vector) + origin.y,
+			basis.elements[2].dot(p_vector) + origin.z);
+}
+Vector3 Transform::xform_inv(const Vector3 &p_vector) const {
+	Vector3 v = p_vector - origin;
+
+	return Vector3(
+			(basis.elements[0][0] * v.x) + (basis.elements[1][0] * v.y) + (basis.elements[2][0] * v.z),
+			(basis.elements[0][1] * v.x) + (basis.elements[1][1] * v.y) + (basis.elements[2][1] * v.z),
+			(basis.elements[0][2] * v.x) + (basis.elements[1][2] * v.y) + (basis.elements[2][2] * v.z));
+}
+
+Plane Transform::xform(const Plane &p_plane) const {
+	Vector3 point = p_plane.normal * p_plane.d;
+	Vector3 point_dir = point + p_plane.normal;
+	point = xform(point);
+	point_dir = xform(point_dir);
+
+	Vector3 normal = point_dir - point;
+	normal.normalize();
+	real_t d = normal.dot(point);
+
+	return Plane(normal, d);
+}
+Plane Transform::xform_inv(const Plane &p_plane) const {
+	Vector3 point = p_plane.normal * p_plane.d;
+	Vector3 point_dir = point + p_plane.normal;
+	point = xform_inv(point);
+	point_dir = xform_inv(point_dir);
+
+	Vector3 normal = point_dir - point;
+	normal.normalize();
+	real_t d = normal.dot(point);
+
+	return Plane(normal, d);
+}
+
+AABB Transform::xform(const AABB &p_aabb) const {
+	/* define vertices */
+	Vector3 x = basis.get_axis(0) * p_aabb.size.x;
+	Vector3 y = basis.get_axis(1) * p_aabb.size.y;
+	Vector3 z = basis.get_axis(2) * p_aabb.size.z;
+	Vector3 pos = xform(p_aabb.position);
+	//could be even further optimized
+	AABB new_aabb;
+	new_aabb.position = pos;
+	new_aabb.expand_to(pos + x);
+	new_aabb.expand_to(pos + y);
+	new_aabb.expand_to(pos + z);
+	new_aabb.expand_to(pos + x + y);
+	new_aabb.expand_to(pos + x + z);
+	new_aabb.expand_to(pos + y + z);
+	new_aabb.expand_to(pos + x + y + z);
+	return new_aabb;
+}
+AABB Transform::xform_inv(const AABB &p_aabb) const {
+	/* define vertices */
+	Vector3 vertices[8] = {
+		Vector3(p_aabb.position.x + p_aabb.size.x, p_aabb.position.y + p_aabb.size.y, p_aabb.position.z + p_aabb.size.z),
+		Vector3(p_aabb.position.x + p_aabb.size.x, p_aabb.position.y + p_aabb.size.y, p_aabb.position.z),
+		Vector3(p_aabb.position.x + p_aabb.size.x, p_aabb.position.y, p_aabb.position.z + p_aabb.size.z),
+		Vector3(p_aabb.position.x + p_aabb.size.x, p_aabb.position.y, p_aabb.position.z),
+		Vector3(p_aabb.position.x, p_aabb.position.y + p_aabb.size.y, p_aabb.position.z + p_aabb.size.z),
+		Vector3(p_aabb.position.x, p_aabb.position.y + p_aabb.size.y, p_aabb.position.z),
+		Vector3(p_aabb.position.x, p_aabb.position.y, p_aabb.position.z + p_aabb.size.z),
+		Vector3(p_aabb.position.x, p_aabb.position.y, p_aabb.position.z)
+	};
+
+	AABB ret;
+
+	ret.position = xform_inv(vertices[0]);
+
+	for (int i = 1; i < 8; i++) {
+		ret.expand_to(xform_inv(vertices[i]));
+	}
+
+	return ret;
+}
+
+void Transform::affine_invert() {
+	basis.invert();
+	origin = basis.xform(-origin);
+}
+
+Transform Transform::affine_inverse() const {
+	Transform ret = *this;
+	ret.affine_invert();
+	return ret;
+}
+
+void Transform::invert() {
+	basis.transpose();
+	origin = basis.xform(-origin);
+}
+
+Transform Transform::inverse() const {
+	// FIXME: this function assumes the basis is a rotation matrix, with no scaling.
+	// Transform::affine_inverse can handle matrices with scaling, so GDScript should eventually use that.
+	Transform ret = *this;
+	ret.invert();
+	return ret;
+}
+
+void Transform::rotate(const Vector3 &p_axis, real_t p_phi) {
+	*this = rotated(p_axis, p_phi);
+}
+
+Transform Transform::rotated(const Vector3 &p_axis, real_t p_phi) const {
+	return Transform(Basis(p_axis, p_phi), Vector3()) * (*this);
+}
+
+void Transform::rotate_basis(const Vector3 &p_axis, real_t p_phi) {
+	basis.rotate(p_axis, p_phi);
+}
+
+Transform Transform::looking_at(const Vector3 &p_target, const Vector3 &p_up) const {
+	Transform t = *this;
+	t.set_look_at(origin, p_target, p_up);
+	return t;
+}
+
+void Transform::set_look_at(const Vector3 &p_eye, const Vector3 &p_target, const Vector3 &p_up) {
+	// Reference: MESA source code
+	Vector3 v_x, v_y, v_z;
+
+	/* Make rotation matrix */
+
+	/* Z vector */
+	v_z = p_eye - p_target;
+
+	v_z.normalize();
+
+	v_y = p_up;
+
+	v_x = v_y.cross(v_z);
+
+	/* Recompute Y = Z cross X */
+	v_y = v_z.cross(v_x);
+
+	v_x.normalize();
+	v_y.normalize();
+
+	basis.set_axis(0, v_x);
+	basis.set_axis(1, v_y);
+	basis.set_axis(2, v_z);
+	origin = p_eye;
+}
+
+Transform Transform::interpolate_with(const Transform &p_transform, real_t p_c) const {
+	/* not sure if very "efficient" but good enough? */
+
+	Vector3 src_scale = basis.get_scale();
+	Quat src_rot = basis;
+	Vector3 src_loc = origin;
+
+	Vector3 dst_scale = p_transform.basis.get_scale();
+	Quat dst_rot = p_transform.basis;
+	Vector3 dst_loc = p_transform.origin;
+
+	Transform dst;
+	dst.basis = src_rot.slerp(dst_rot, p_c);
+	dst.basis.scale(src_scale.linear_interpolate(dst_scale, p_c));
+	dst.origin = src_loc.linear_interpolate(dst_loc, p_c);
+
+	return dst;
+}
+
+void Transform::scale(const Vector3 &p_scale) {
+	basis.scale(p_scale);
+	origin *= p_scale;
+}
+
+Transform Transform::scaled(const Vector3 &p_scale) const {
+	Transform t = *this;
+	t.scale(p_scale);
+	return t;
+}
+
+void Transform::scale_basis(const Vector3 &p_scale) {
+	basis.scale(p_scale);
+}
+
+void Transform::translate(real_t p_tx, real_t p_ty, real_t p_tz) {
+	translate(Vector3(p_tx, p_ty, p_tz));
+}
+void Transform::translate(const Vector3 &p_translation) {
+	for (int i = 0; i < 3; i++) {
+		origin[i] += basis.elements[i].dot(p_translation);
+	}
+}
+
+Transform Transform::translated(const Vector3 &p_translation) const {
+	Transform t = *this;
+	t.translate(p_translation);
+	return t;
+}
+
+void Transform::orthonormalize() {
+	basis.orthonormalize();
+}
+
+Transform Transform::orthonormalized() const {
+	Transform _copy = *this;
+	_copy.orthonormalize();
+	return _copy;
+}
+
+bool Transform::operator==(const Transform &p_transform) const {
+	return (basis == p_transform.basis && origin == p_transform.origin);
+}
+bool Transform::operator!=(const Transform &p_transform) const {
+	return (basis != p_transform.basis || origin != p_transform.origin);
+}
+
+void Transform::operator*=(const Transform &p_transform) {
+	origin = xform(p_transform.origin);
+	basis *= p_transform.basis;
+}
+
+Transform Transform::operator*(const Transform &p_transform) const {
+	Transform t = *this;
+	t *= p_transform;
+	return t;
+}
+
+Transform::operator String() const {
+	return basis.operator String() + " - " + origin.operator String();
+}
+
+Transform::Transform(const Basis &p_basis, const Vector3 &p_origin) {
+	basis = p_basis;
+	origin = p_origin;
+}
+
+} // namespace godot

src/core/Transform2D.cpp

@@ -0,0 +1,332 @@
+/*************************************************************************/
+/*  Transform2D.cpp                                                      */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                      https://godotengine.org                          */
+/*************************************************************************/
+/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur.                 */
+/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md).   */
+/*                                                                       */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the       */
+/* "Software"), to deal in the Software without restriction, including   */
+/* without limitation the rights to use, copy, modify, merge, publish,   */
+/* distribute, sublicense, and/or sell copies of the Software, and to    */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions:                                             */
+/*                                                                       */
+/* The above copyright notice and this permission notice shall be        */
+/* included in all copies or substantial portions of the Software.       */
+/*                                                                       */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
+/*************************************************************************/
+
+#include "Transform2D.hpp"
+#include "Rect2.hpp"
+#include "String.hpp"
+#include "Vector2.hpp"
+
+#include <algorithm>
+
+namespace godot {
+
+const Transform2D Transform2D::IDENTITY;
+const Transform2D Transform2D::FLIP_X = Transform2D(-1, 0, 0, 1, 0, 0);
+const Transform2D Transform2D::FLIP_Y = Transform2D(1, 0, 0, -1, 0, 0);
+
+Transform2D::Transform2D(real_t xx, real_t xy, real_t yx, real_t yy, real_t ox, real_t oy) {
+	elements[0][0] = xx;
+	elements[0][1] = xy;
+	elements[1][0] = yx;
+	elements[1][1] = yy;
+	elements[2][0] = ox;
+	elements[2][1] = oy;
+}
+
+Vector2 Transform2D::basis_xform(const Vector2 &v) const {
+	return Vector2(
+			tdotx(v),
+			tdoty(v));
+}
+
+Vector2 Transform2D::basis_xform_inv(const Vector2 &v) const {
+	return Vector2(
+			elements[0].dot(v),
+			elements[1].dot(v));
+}
+
+Vector2 Transform2D::xform(const Vector2 &v) const {
+	return Vector2(
+				   tdotx(v),
+				   tdoty(v)) +
+		   elements[2];
+}
+Vector2 Transform2D::xform_inv(const Vector2 &p_vec) const {
+	Vector2 v = p_vec - elements[2];
+
+	return Vector2(
+			elements[0].dot(v),
+			elements[1].dot(v));
+}
+Rect2 Transform2D::xform(const Rect2 &p_rect) const {
+	Vector2 x = elements[0] * p_rect.size.x;
+	Vector2 y = elements[1] * p_rect.size.y;
+	Vector2 position = xform(p_rect.position);
+
+	Rect2 new_rect;
+	new_rect.position = position;
+	new_rect.expand_to(position + x);
+	new_rect.expand_to(position + y);
+	new_rect.expand_to(position + x + y);
+	return new_rect;
+}
+
+void Transform2D::set_rotation_and_scale(real_t p_rot, const Size2 &p_scale) {
+	elements[0][0] = ::cos(p_rot) * p_scale.x;
+	elements[1][1] = ::cos(p_rot) * p_scale.y;
+	elements[1][0] = -::sin(p_rot) * p_scale.y;
+	elements[0][1] = ::sin(p_rot) * p_scale.x;
+}
+
+Rect2 Transform2D::xform_inv(const Rect2 &p_rect) const {
+	Vector2 ends[4] = {
+		xform_inv(p_rect.position),
+		xform_inv(Vector2(p_rect.position.x, p_rect.position.y + p_rect.size.y)),
+		xform_inv(Vector2(p_rect.position.x + p_rect.size.x, p_rect.position.y + p_rect.size.y)),
+		xform_inv(Vector2(p_rect.position.x + p_rect.size.x, p_rect.position.y))
+	};
+
+	Rect2 new_rect;
+	new_rect.position = ends[0];
+	new_rect.expand_to(ends[1]);
+	new_rect.expand_to(ends[2]);
+	new_rect.expand_to(ends[3]);
+
+	return new_rect;
+}
+
+void Transform2D::invert() {
+	// FIXME: this function assumes the basis is a rotation matrix, with no scaling.
+	// Transform2D::affine_inverse can handle matrices with scaling, so GDScript should eventually use that.
+	std::swap(elements[0][1], elements[1][0]);
+	elements[2] = basis_xform(-elements[2]);
+}
+
+Transform2D Transform2D::inverse() const {
+	Transform2D inv = *this;
+	inv.invert();
+	return inv;
+}
+
+void Transform2D::affine_invert() {
+	real_t det = basis_determinant();
+	ERR_FAIL_COND(det == 0);
+	real_t idet = 1.0 / det;
+
+	std::swap(elements[0][0], elements[1][1]);
+	elements[0] *= Vector2(idet, -idet);
+	elements[1] *= Vector2(-idet, idet);
+
+	elements[2] = basis_xform(-elements[2]);
+}
+
+Transform2D Transform2D::affine_inverse() const {
+	Transform2D inv = *this;
+	inv.affine_invert();
+	return inv;
+}
+
+void Transform2D::rotate(real_t p_phi) {
+	*this = Transform2D(p_phi, Vector2()) * (*this);
+}
+
+real_t Transform2D::get_rotation() const {
+	real_t det = basis_determinant();
+	Transform2D m = orthonormalized();
+	if (det < 0) {
+		m.scale_basis(Size2(-1, -1));
+	}
+	return ::atan2(m[0].y, m[0].x);
+}
+
+void Transform2D::set_rotation(real_t p_rot) {
+	real_t cr = ::cos(p_rot);
+	real_t sr = ::sin(p_rot);
+	elements[0][0] = cr;
+	elements[0][1] = sr;
+	elements[1][0] = -sr;
+	elements[1][1] = cr;
+}
+
+Transform2D::Transform2D(real_t p_rot, const Vector2 &p_position) {
+	real_t cr = ::cos(p_rot);
+	real_t sr = ::sin(p_rot);
+	elements[0][0] = cr;
+	elements[0][1] = sr;
+	elements[1][0] = -sr;
+	elements[1][1] = cr;
+	elements[2] = p_position;
+}
+
+Size2 Transform2D::get_scale() const {
+	real_t det_sign = basis_determinant() > 0 ? 1 : -1;
+	return det_sign * Size2(elements[0].length(), elements[1].length());
+}
+
+void Transform2D::scale(const Size2 &p_scale) {
+	scale_basis(p_scale);
+	elements[2] *= p_scale;
+}
+void Transform2D::scale_basis(const Size2 &p_scale) {
+	elements[0][0] *= p_scale.x;
+	elements[0][1] *= p_scale.y;
+	elements[1][0] *= p_scale.x;
+	elements[1][1] *= p_scale.y;
+}
+void Transform2D::translate(real_t p_tx, real_t p_ty) {
+	translate(Vector2(p_tx, p_ty));
+}
+void Transform2D::translate(const Vector2 &p_translation) {
+	elements[2] += basis_xform(p_translation);
+}
+
+void Transform2D::orthonormalize() {
+	// Gram-Schmidt Process
+
+	Vector2 x = elements[0];
+	Vector2 y = elements[1];
+
+	x.normalize();
+	y = (y - x * (x.dot(y)));
+	y.normalize();
+
+	elements[0] = x;
+	elements[1] = y;
+}
+Transform2D Transform2D::orthonormalized() const {
+	Transform2D on = *this;
+	on.orthonormalize();
+	return on;
+}
+
+bool Transform2D::operator==(const Transform2D &p_transform) const {
+	for (int i = 0; i < 3; i++) {
+		if (elements[i] != p_transform.elements[i])
+			return false;
+	}
+
+	return true;
+}
+
+bool Transform2D::operator!=(const Transform2D &p_transform) const {
+	for (int i = 0; i < 3; i++) {
+		if (elements[i] != p_transform.elements[i])
+			return true;
+	}
+
+	return false;
+}
+
+void Transform2D::operator*=(const Transform2D &p_transform) {
+	elements[2] = xform(p_transform.elements[2]);
+
+	real_t x0, x1, y0, y1;
+
+	x0 = tdotx(p_transform.elements[0]);
+	x1 = tdoty(p_transform.elements[0]);
+	y0 = tdotx(p_transform.elements[1]);
+	y1 = tdoty(p_transform.elements[1]);
+
+	elements[0][0] = x0;
+	elements[0][1] = x1;
+	elements[1][0] = y0;
+	elements[1][1] = y1;
+}
+
+Transform2D Transform2D::operator*(const Transform2D &p_transform) const {
+	Transform2D t = *this;
+	t *= p_transform;
+	return t;
+}
+
+Transform2D Transform2D::scaled(const Size2 &p_scale) const {
+	Transform2D copy = *this;
+	copy.scale(p_scale);
+	return copy;
+}
+
+Transform2D Transform2D::basis_scaled(const Size2 &p_scale) const {
+	Transform2D copy = *this;
+	copy.scale_basis(p_scale);
+	return copy;
+}
+
+Transform2D Transform2D::untranslated() const {
+	Transform2D copy = *this;
+	copy.elements[2] = Vector2();
+	return copy;
+}
+
+Transform2D Transform2D::translated(const Vector2 &p_offset) const {
+	Transform2D copy = *this;
+	copy.translate(p_offset);
+	return copy;
+}
+
+Transform2D Transform2D::rotated(real_t p_phi) const {
+	Transform2D copy = *this;
+	copy.rotate(p_phi);
+	return copy;
+}
+
+real_t Transform2D::basis_determinant() const {
+	return elements[0].x * elements[1].y - elements[0].y * elements[1].x;
+}
+
+Transform2D Transform2D::interpolate_with(const Transform2D &p_transform, real_t p_c) const {
+	//extract parameters
+	Vector2 p1 = get_origin();
+	Vector2 p2 = p_transform.get_origin();
+
+	real_t r1 = get_rotation();
+	real_t r2 = p_transform.get_rotation();
+
+	Size2 s1 = get_scale();
+	Size2 s2 = p_transform.get_scale();
+
+	//slerp rotation
+	Vector2 v1(::cos(r1), ::sin(r1));
+	Vector2 v2(::cos(r2), ::sin(r2));
+
+	real_t dot = v1.dot(v2);
+
+	dot = (dot < -1.0) ? -1.0 : ((dot > 1.0) ? 1.0 : dot); //clamp dot to [-1,1]
+
+	Vector2 v;
+
+	if (dot > 0.9995) {
+		v = Vector2::linear_interpolate(v1, v2, p_c).normalized(); //linearly interpolate to avoid numerical precision issues
+	} else {
+		real_t angle = p_c * ::acos(dot);
+		Vector2 v3 = (v2 - v1 * dot).normalized();
+		v = v1 * ::cos(angle) + v3 * ::sin(angle);
+	}
+
+	//construct matrix
+	Transform2D res(::atan2(v.y, v.x), Vector2::linear_interpolate(p1, p2, p_c));
+	res.scale_basis(Vector2::linear_interpolate(s1, s2, p_c));
+	return res;
+}
+
+Transform2D::operator String() const {
+	return String(String() + elements[0] + ", " + elements[1] + ", " + elements[2]);
+}
+
+} // namespace godot

src/core/Variant.cpp

@@ -0,0 +1,382 @@
+/*************************************************************************/
+/*  Variant.cpp                                                          */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                      https://godotengine.org                          */
+/*************************************************************************/
+/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur.                 */
+/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md).   */
+/*                                                                       */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the       */
+/* "Software"), to deal in the Software without restriction, including   */
+/* without limitation the rights to use, copy, modify, merge, publish,   */
+/* distribute, sublicense, and/or sell copies of the Software, and to    */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions:                                             */
+/*                                                                       */
+/* The above copyright notice and this permission notice shall be        */
+/* included in all copies or substantial portions of the Software.       */
+/*                                                                       */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
+/*************************************************************************/
+
+#include "Variant.hpp"
+
+#include <gdnative/variant.h>
+
+#include "CoreTypes.hpp"
+#include "Defs.hpp"
+#include "GodotGlobal.hpp"
+#include "Object.hpp"
+
+namespace godot {
+
+Variant::Variant() {
+	godot::api->godot_variant_new_nil(&_godot_variant);
+}
+
+Variant::Variant(const Variant &v) {
+	godot::api->godot_variant_new_copy(&_godot_variant, &v._godot_variant);
+}
+
+Variant::Variant(bool p_bool) {
+	godot::api->godot_variant_new_bool(&_godot_variant, p_bool);
+}
+
+Variant::Variant(signed int p_int) // real one
+{
+	godot::api->godot_variant_new_int(&_godot_variant, p_int);
+}
+
+Variant::Variant(unsigned int p_int) {
+	godot::api->godot_variant_new_uint(&_godot_variant, p_int);
+}
+
+Variant::Variant(signed short p_short) // real one
+{
+	godot::api->godot_variant_new_int(&_godot_variant, (int)p_short);
+}
+
+Variant::Variant(int64_t p_char) // real one
+{
+	godot::api->godot_variant_new_int(&_godot_variant, p_char);
+}
+
+Variant::Variant(uint64_t p_char) {
+	godot::api->godot_variant_new_uint(&_godot_variant, p_char);
+}
+
+Variant::Variant(float p_float) {
+	godot::api->godot_variant_new_real(&_godot_variant, p_float);
+}
+
+Variant::Variant(double p_double) {
+	godot::api->godot_variant_new_real(&_godot_variant, p_double);
+}
+
+Variant::Variant(const String &p_string) {
+	godot::api->godot_variant_new_string(&_godot_variant, (godot_string *)&p_string);
+}
+
+Variant::Variant(const char *const p_cstring) {
+	String s = String(p_cstring);
+	godot::api->godot_variant_new_string(&_godot_variant, (godot_string *)&s);
+}
+
+Variant::Variant(const wchar_t *p_wstring) {
+	String s = p_wstring;
+	godot::api->godot_variant_new_string(&_godot_variant, (godot_string *)&s);
+}
+
+Variant::Variant(const Vector2 &p_vector2) {
+	godot::api->godot_variant_new_vector2(&_godot_variant, (godot_vector2 *)&p_vector2);
+}
+
+Variant::Variant(const Rect2 &p_rect2) {
+	godot::api->godot_variant_new_rect2(&_godot_variant, (godot_rect2 *)&p_rect2);
+}
+
+Variant::Variant(const Vector3 &p_vector3) {
+	godot::api->godot_variant_new_vector3(&_godot_variant, (godot_vector3 *)&p_vector3);
+}
+
+Variant::Variant(const Plane &p_plane) {
+	godot::api->godot_variant_new_plane(&_godot_variant, (godot_plane *)&p_plane);
+}
+
+Variant::Variant(const AABB &p_aabb) {
+	godot::api->godot_variant_new_aabb(&_godot_variant, (godot_aabb *)&p_aabb);
+}
+
+Variant::Variant(const Quat &p_quat) {
+	godot::api->godot_variant_new_quat(&_godot_variant, (godot_quat *)&p_quat);
+}
+
+Variant::Variant(const Basis &p_transform) {
+	godot::api->godot_variant_new_basis(&_godot_variant, (godot_basis *)&p_transform);
+}
+
+Variant::Variant(const Transform2D &p_transform) {
+	godot::api->godot_variant_new_transform2d(&_godot_variant, (godot_transform2d *)&p_transform);
+}
+
+Variant::Variant(const Transform &p_transform) {
+	godot::api->godot_variant_new_transform(&_godot_variant, (godot_transform *)&p_transform);
+}
+
+Variant::Variant(const Color &p_color) {
+	godot::api->godot_variant_new_color(&_godot_variant, (godot_color *)&p_color);
+}
+
+Variant::Variant(const NodePath &p_path) {
+	godot::api->godot_variant_new_node_path(&_godot_variant, (godot_node_path *)&p_path);
+}
+
+Variant::Variant(const RID &p_rid) {
+	godot::api->godot_variant_new_rid(&_godot_variant, (godot_rid *)&p_rid);
+}
+
+Variant::Variant(const Object *p_object) {
+	if (p_object)
+		godot::api->godot_variant_new_object(&_godot_variant, p_object->_owner);
+	else
+		godot::api->godot_variant_new_nil(&_godot_variant);
+}
+
+Variant::Variant(const Dictionary &p_dictionary) {
+	godot::api->godot_variant_new_dictionary(&_godot_variant, (godot_dictionary *)&p_dictionary);
+}
+
+Variant::Variant(const Array &p_array) {
+	godot::api->godot_variant_new_array(&_godot_variant, (godot_array *)&p_array);
+}
+
+Variant::Variant(const PoolByteArray &p_raw_array) {
+	godot::api->godot_variant_new_pool_byte_array(&_godot_variant, (godot_pool_byte_array *)&p_raw_array);
+}
+
+Variant::Variant(const PoolIntArray &p_int_array) {
+	godot::api->godot_variant_new_pool_int_array(&_godot_variant, (godot_pool_int_array *)&p_int_array);
+}
+
+Variant::Variant(const PoolRealArray &p_real_array) {
+	godot::api->godot_variant_new_pool_real_array(&_godot_variant, (godot_pool_real_array *)&p_real_array);
+}
+
+Variant::Variant(const PoolStringArray &p_string_array) {
+	godot::api->godot_variant_new_pool_string_array(&_godot_variant, (godot_pool_string_array *)&p_string_array);
+}
+
+Variant::Variant(const PoolVector2Array &p_vector2_array) {
+	godot::api->godot_variant_new_pool_vector2_array(&_godot_variant, (godot_pool_vector2_array *)&p_vector2_array);
+}
+
+Variant::Variant(const PoolVector3Array &p_vector3_array) {
+	godot::api->godot_variant_new_pool_vector3_array(&_godot_variant, (godot_pool_vector3_array *)&p_vector3_array);
+}
+
+Variant::Variant(const PoolColorArray &p_color_array) {
+	godot::api->godot_variant_new_pool_color_array(&_godot_variant, (godot_pool_color_array *)&p_color_array);
+}
+
+Variant &Variant::operator=(const Variant &v) {
+	godot::api->godot_variant_destroy(&_godot_variant);
+	godot::api->godot_variant_new_copy(&_godot_variant, &v._godot_variant);
+	return *this;
+}
+
+Variant::operator bool() const {
+	return booleanize();
+}
+Variant::operator signed int() const {
+	return godot::api->godot_variant_as_int(&_godot_variant);
+}
+Variant::operator unsigned int() const // this is the real one
+{
+	return godot::api->godot_variant_as_uint(&_godot_variant);
+}
+Variant::operator signed short() const {
+	return godot::api->godot_variant_as_int(&_godot_variant);
+}
+Variant::operator unsigned short() const {
+	return godot::api->godot_variant_as_uint(&_godot_variant);
+}
+Variant::operator signed char() const {
+	return godot::api->godot_variant_as_int(&_godot_variant);
+}
+Variant::operator unsigned char() const {
+	return godot::api->godot_variant_as_uint(&_godot_variant);
+}
+Variant::operator int64_t() const {
+	return godot::api->godot_variant_as_int(&_godot_variant);
+}
+Variant::operator uint64_t() const {
+	return godot::api->godot_variant_as_uint(&_godot_variant);
+}
+
+Variant::operator wchar_t() const {
+	return godot::api->godot_variant_as_int(&_godot_variant);
+}
+
+Variant::operator float() const {
+	return godot::api->godot_variant_as_real(&_godot_variant);
+}
+
+Variant::operator double() const {
+	return godot::api->godot_variant_as_real(&_godot_variant);
+}
+Variant::operator String() const {
+	godot_string s = godot::api->godot_variant_as_string(&_godot_variant);
+	return String(s);
+}
+Variant::operator Vector2() const {
+	godot_vector2 s = godot::api->godot_variant_as_vector2(&_godot_variant);
+	return *(Vector2 *)&s;
+}
+Variant::operator Rect2() const {
+	godot_rect2 s = godot::api->godot_variant_as_rect2(&_godot_variant);
+	return *(Rect2 *)&s;
+}
+Variant::operator Vector3() const {
+	godot_vector3 s = godot::api->godot_variant_as_vector3(&_godot_variant);
+	return *(Vector3 *)&s;
+}
+Variant::operator Plane() const {
+	godot_plane s = godot::api->godot_variant_as_plane(&_godot_variant);
+	return *(Plane *)&s;
+}
+Variant::operator AABB() const {
+	godot_aabb s = godot::api->godot_variant_as_aabb(&_godot_variant);
+	return *(AABB *)&s;
+}
+Variant::operator Quat() const {
+	godot_quat s = godot::api->godot_variant_as_quat(&_godot_variant);
+	return *(Quat *)&s;
+}
+Variant::operator Basis() const {
+	godot_basis s = godot::api->godot_variant_as_basis(&_godot_variant);
+	return *(Basis *)&s;
+}
+Variant::operator Transform() const {
+	godot_transform s = godot::api->godot_variant_as_transform(&_godot_variant);
+	return *(Transform *)&s;
+}
+Variant::operator Transform2D() const {
+	godot_transform2d s = godot::api->godot_variant_as_transform2d(&_godot_variant);
+	return *(Transform2D *)&s;
+}
+
+Variant::operator Color() const {
+	godot_color s = godot::api->godot_variant_as_color(&_godot_variant);
+	return *(Color *)&s;
+}
+Variant::operator NodePath() const {
+	godot_node_path ret = godot::api->godot_variant_as_node_path(&_godot_variant);
+	return NodePath(ret);
+}
+Variant::operator RID() const {
+	godot_rid s = godot::api->godot_variant_as_rid(&_godot_variant);
+	return *(RID *)&s;
+}
+
+Variant::operator Dictionary() const {
+	Dictionary ret(godot::api->godot_variant_as_dictionary(&_godot_variant));
+	return ret;
+}
+
+Variant::operator Array() const {
+	Array ret(godot::api->godot_variant_as_array(&_godot_variant));
+	return ret;
+}
+
+Variant::operator PoolByteArray() const {
+	godot_pool_byte_array ret = godot::api->godot_variant_as_pool_byte_array(&_godot_variant);
+	return PoolByteArray(ret);
+}
+Variant::operator PoolIntArray() const {
+	godot_pool_int_array ret = godot::api->godot_variant_as_pool_int_array(&_godot_variant);
+	return PoolIntArray(ret);
+}
+Variant::operator PoolRealArray() const {
+	godot_pool_real_array ret = godot::api->godot_variant_as_pool_real_array(&_godot_variant);
+	return PoolRealArray(ret);
+}
+Variant::operator PoolStringArray() const {
+	godot_pool_string_array ret = godot::api->godot_variant_as_pool_string_array(&_godot_variant);
+	return PoolStringArray(ret);
+}
+Variant::operator PoolVector2Array() const {
+	godot_pool_vector2_array ret = godot::api->godot_variant_as_pool_vector2_array(&_godot_variant);
+	return PoolVector2Array(ret);
+}
+Variant::operator PoolVector3Array() const {
+	godot_pool_vector3_array ret = godot::api->godot_variant_as_pool_vector3_array(&_godot_variant);
+	return PoolVector3Array(ret);
+}
+Variant::operator PoolColorArray() const {
+	godot_pool_color_array ret = godot::api->godot_variant_as_pool_color_array(&_godot_variant);
+	return PoolColorArray(ret);
+}
+Variant::operator godot_object *() const {
+	return godot::api->godot_variant_as_object(&_godot_variant);
+}
+
+Variant::Type Variant::get_type() const {
+	return static_cast<Type>(godot::api->godot_variant_get_type(&_godot_variant));
+}
+
+Variant Variant::call(const String &method, const Variant **args, const int arg_count) {
+	godot_variant v = godot::api->godot_variant_call(
+			&_godot_variant, (godot_string *)&method, (const godot_variant **)args, arg_count, nullptr);
+	return Variant(v);
+}
+
+bool Variant::has_method(const String &method) {
+	return godot::api->godot_variant_has_method(&_godot_variant, (godot_string *)&method);
+}
+
+bool Variant::operator==(const Variant &b) const {
+	return godot::api->godot_variant_operator_equal(&_godot_variant, &b._godot_variant);
+}
+
+bool Variant::operator!=(const Variant &b) const {
+	return !(*this == b);
+}
+
+bool Variant::operator<(const Variant &b) const {
+	return godot::api->godot_variant_operator_less(&_godot_variant, &b._godot_variant);
+}
+
+bool Variant::operator<=(const Variant &b) const {
+	return (*this < b) || (*this == b);
+}
+
+bool Variant::operator>(const Variant &b) const {
+	return !(*this <= b);
+}
+
+bool Variant::operator>=(const Variant &b) const {
+	return !(*this < b);
+}
+
+bool Variant::hash_compare(const Variant &b) const {
+	return godot::api->godot_variant_hash_compare(&_godot_variant, &b._godot_variant);
+}
+
+bool Variant::booleanize() const {
+	return godot::api->godot_variant_booleanize(&_godot_variant);
+}
+
+Variant::~Variant() {
+	godot::api->godot_variant_destroy(&_godot_variant);
+}
+
+} // namespace godot

src/core/Vector2.cpp

@@ -0,0 +1,100 @@
+/*************************************************************************/
+/*  Vector2.cpp                                                          */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                      https://godotengine.org                          */
+/*************************************************************************/
+/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur.                 */
+/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md).   */
+/*                                                                       */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the       */
+/* "Software"), to deal in the Software without restriction, including   */
+/* without limitation the rights to use, copy, modify, merge, publish,   */
+/* distribute, sublicense, and/or sell copies of the Software, and to    */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions:                                             */
+/*                                                                       */
+/* The above copyright notice and this permission notice shall be        */
+/* included in all copies or substantial portions of the Software.       */
+/*                                                                       */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
+/*************************************************************************/
+
+#include "Vector2.hpp"
+
+#include <gdnative/vector2.h>
+
+#include "String.hpp"
+
+namespace godot {
+
+const Vector2 Vector2::ZERO = Vector2();
+const Vector2 Vector2::ONE = Vector2(1, 1);
+const Vector2 Vector2::INF = Vector2(INFINITY, INFINITY);
+
+const Vector2 Vector2::LEFT = Vector2(-1, 0);
+const Vector2 Vector2::RIGHT = Vector2(1, 0);
+const Vector2 Vector2::UP = Vector2(0, -1);
+const Vector2 Vector2::DOWN = Vector2(0, 1);
+
+bool Vector2::operator==(const Vector2 &p_vec2) const {
+	return x == p_vec2.x && y == p_vec2.y;
+}
+
+bool Vector2::operator!=(const Vector2 &p_vec2) const {
+	return x != p_vec2.x || y != p_vec2.y;
+}
+
+Vector2 Vector2::project(const Vector2 &p_vec) const {
+	Vector2 v1 = p_vec;
+	Vector2 v2 = *this;
+	return v2 * (v1.dot(v2) / v2.dot(v2));
+}
+
+Vector2 Vector2::plane_project(real_t p_d, const Vector2 &p_vec) const {
+	return p_vec - *this * (dot(p_vec) - p_d);
+}
+
+Vector2 Vector2::clamped(real_t p_len) const {
+	real_t l = length();
+	Vector2 v = *this;
+	if (l > 0 && p_len < l) {
+		v /= l;
+		v *= p_len;
+	}
+	return v;
+}
+
+Vector2 Vector2::cubic_interpolate(const Vector2 &p_b, const Vector2 &p_pre_a, const Vector2 &p_post_b, real_t p_t) const {
+	Vector2 p0 = p_pre_a;
+	Vector2 p1 = *this;
+	Vector2 p2 = p_b;
+	Vector2 p3 = p_post_b;
+
+	real_t t = p_t;
+	real_t t2 = t * t;
+	real_t t3 = t2 * t;
+
+	Vector2 out;
+	out = ((p1 * 2.0) +
+				  (-p0 + p2) * t +
+				  (p0 * 2.0 - p1 * 5.0 + p2 * 4 - p3) * t2 +
+				  (-p0 + p1 * 3.0 - p2 * 3.0 + p3) * t3) *
+		  0.5;
+
+	return out;
+}
+
+Vector2::operator String() const {
+	return String::num(x) + ", " + String::num(y);
+}
+
+} // namespace godot

src/core/Vector3.cpp

@@ -0,0 +1,121 @@
+/*************************************************************************/
+/*  Vector3.cpp                                                          */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                      https://godotengine.org                          */
+/*************************************************************************/
+/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur.                 */
+/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md).   */
+/*                                                                       */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the       */
+/* "Software"), to deal in the Software without restriction, including   */
+/* without limitation the rights to use, copy, modify, merge, publish,   */
+/* distribute, sublicense, and/or sell copies of the Software, and to    */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions:                                             */
+/*                                                                       */
+/* The above copyright notice and this permission notice shall be        */
+/* included in all copies or substantial portions of the Software.       */
+/*                                                                       */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
+/*************************************************************************/
+
+#include "Vector3.hpp"
+
+#include "String.hpp"
+
+#include <stdlib.h>
+
+#include "Basis.hpp"
+
+namespace godot {
+
+const Vector3 Vector3::ZERO = Vector3();
+const Vector3 Vector3::ONE = Vector3(1, 1, 1);
+const Vector3 Vector3::INF = Vector3(INFINITY, INFINITY, INFINITY);
+
+const Vector3 Vector3::LEFT = Vector3(-1, 0, 0);
+const Vector3 Vector3::RIGHT = Vector3(1, 0, 0);
+const Vector3 Vector3::UP = Vector3(0, 1, 0);
+const Vector3 Vector3::DOWN = Vector3(0, -1, 0);
+const Vector3 Vector3::FORWARD = Vector3(0, 0, -1);
+const Vector3 Vector3::BACK = Vector3(0, 0, 1);
+
+bool Vector3::operator<(const Vector3 &p_v) const {
+	if (x == p_v.x) {
+		if (y == p_v.y)
+			return z < p_v.z;
+		else
+			return y < p_v.y;
+	} else {
+		return x < p_v.x;
+	}
+}
+
+bool Vector3::operator<=(const Vector3 &p_v) const {
+	if (x == p_v.x) {
+		if (y == p_v.y)
+			return z <= p_v.z;
+		else
+			return y < p_v.y;
+	} else {
+		return x < p_v.x;
+	}
+}
+
+Vector3 Vector3::cubic_interpolate(const Vector3 &b, const Vector3 &pre_a, const Vector3 &post_b, const real_t t) const {
+	Vector3 p0 = pre_a;
+	Vector3 p1 = *this;
+	Vector3 p2 = b;
+	Vector3 p3 = post_b;
+
+	real_t t2 = t * t;
+	real_t t3 = t2 * t;
+
+	Vector3 out;
+	out = ((p1 * 2.0) +
+				  (-p0 + p2) * t +
+				  (p0 * 2.0 - p1 * 5.0 + p2 * 4 - p3) * t2 +
+				  (-p0 + p1 * 3.0 - p2 * 3.0 + p3) * t3) *
+		  0.5;
+	return out;
+}
+
+Basis Vector3::outer(const Vector3 &b) const {
+	Vector3 row0(x * b.x, x * b.y, x * b.z);
+	Vector3 row1(y * b.x, y * b.y, y * b.z);
+	Vector3 row2(z * b.x, z * b.y, z * b.z);
+	return Basis(row0, row1, row2);
+}
+
+int Vector3::max_axis() const {
+	return x < y ? (y < z ? 2 : 1) : (x < z ? 2 : 0);
+}
+
+int Vector3::min_axis() const {
+	return x < y ? (x < z ? 0 : 2) : (y < z ? 1 : 2);
+}
+
+void Vector3::rotate(const Vector3 &p_axis, real_t p_phi) {
+	*this = Basis(p_axis, p_phi).xform(*this);
+}
+
+void Vector3::snap(real_t p_val) {
+	x = Math::stepify(x, p_val);
+	y = Math::stepify(y, p_val);
+	z = Math::stepify(z, p_val);
+}
+
+Vector3::operator String() const {
+	return String::num(x) + ", " + String::num(y) + ", " + String::num(z);
+}
+
+} // namespace godot

src/gen/.gitignore

@@ -0,0 +1,2 @@
+*
+!.gitignore

test/.gitignore

@@ -0,0 +1,21 @@
+# Godot 4+ specific ignores
+.godot/
+
+# Godot-specific ignores
+.import/
+export.cfg
+export_presets.cfg
+# Dummy HTML5 export presets file for continuous integration
+!.github/dist/export_presets.cfg
+
+# Imported translations (automatically generated from CSV files)
+*.translation
+
+# Mono-specific ignores
+.mono/
+data_*/
+mono_crash.*.json
+
+# System/tool-specific ignores
+.directory
+*~

test/SConstruct

@@ -0,0 +1,16 @@
+#!/usr/bin/env python
+
+env = SConscript("../SConstruct")
+
+# tweak this if you want to use different folders, or more folders, to store your source code in.
+env.Append(CPPPATH=['src/'])
+sources = Glob('src/*.cpp')
+
+library = env.SharedLibrary(
+    "bin/libgdexample.{}.{}.{}{}".format(
+        env["platform"], env["target"], env["arch_suffix"], env["SHLIBSUFFIX"]
+    ),
+    source=sources,
+)
+
+Default(library)

test/gdexample.gdnlib

@@ -0,0 +1,20 @@
+[general]
+
+singleton=false
+load_once=true
+symbol_prefix="godot_"
+reloadable=false
+
+[entry]
+
+X11.64="res://bin/libgdexample.linux.release.64.so"
+Server.64="res://bin/libgdexample.linux.release.64.so"
+Windows.64="res://bin/libgdexample.windows.release.64.dll"
+OSX.64="res://bin/libgdexample.osx.release.64.dylib"
+
+[dependencies]
+
+X11.64=[]
+Server.64=[]
+Windows.64=[]
+OSX.64=[]

test/gdexample.gdns

@@ -0,0 +1,9 @@
+[gd_resource type="NativeScript" load_steps=2 format=2]
+
+[ext_resource path="res://gdexample.gdnlib" type="GDNativeLibrary" id=1]
+
+[resource]
+
+resource_name = "gdexample"
+class_name = "SimpleClass"
+library = ExtResource( 1 )

test/project.godot

@@ -0,0 +1,17 @@
+; Engine configuration file.
+; It's best edited using the editor UI and not directly,
+; since the parameters that go here are not all obvious.
+;
+; Format:
+;   [section] ; section goes between []
+;   param=value ; assign values to parameters
+
+config_version=4
+
+_global_script_classes=[  ]
+_global_script_class_icons={
+}
+
+[application]
+
+config/name="Test CI project"

test/script.gd

@@ -0,0 +1,30 @@
+extends MainLoop
+
+
+func _initialize():
+	OS.exit_code = 1
+	var native_script = load("res://gdexample.gdns")
+	print("Native Script ", native_script)
+	if not native_script || !is_instance_valid(native_script):
+		return
+	print("Library ", native_script.library)
+	if not native_script.library || !is_instance_valid(native_script.library):
+		return
+	var ref = native_script.new()
+	print("Reference ", ref)
+	if not ref || !is_instance_valid(ref):
+		return
+	print("Reference name ", ref.name)
+	if ref.name != "SimpleClass":
+		return
+	print("Reference value ", ref.value)
+	if ref.value != 0:
+		return
+	print("Call method ", ref.method(1))
+	if ref.method(1) != 1:
+		return
+	OS.exit_code = 0
+
+
+func _idle(_delta):
+	return true

test/src/init.cpp

@@ -0,0 +1,103 @@
+/*************************************************************************/
+/*  init.cpp                                                             */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                      https://godotengine.org                          */
+/*************************************************************************/
+/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur.                 */
+/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md).   */
+/*                                                                       */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the       */
+/* "Software"), to deal in the Software without restriction, including   */
+/* without limitation the rights to use, copy, modify, merge, publish,   */
+/* distribute, sublicense, and/or sell copies of the Software, and to    */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions:                                             */
+/*                                                                       */
+/* The above copyright notice and this permission notice shall be        */
+/* included in all copies or substantial portions of the Software.       */
+/*                                                                       */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
+/*************************************************************************/
+
+#include <Godot.hpp>
+#include <Reference.hpp>
+
+using namespace godot;
+
+class SimpleClass : public Reference {
+	GODOT_CLASS(SimpleClass, Reference);
+
+public:
+	SimpleClass() {}
+
+	/** `_init` must exist as it is called by Godot. */
+	void _init() {
+		_name = String("SimpleClass");
+		_value = 0;
+	}
+
+	void test_void_method() {
+		Godot::print("This is test");
+	}
+
+	Variant method(Variant arg) {
+		Variant ret;
+		ret = arg;
+
+		return ret;
+	}
+
+	static void _register_methods() {
+		register_method("method", &SimpleClass::method);
+
+		/**
+		 * The line below is equivalent to the following GDScript export:
+		 *	 export var _name = "SimpleClass"
+		 **/
+		register_property<SimpleClass, String>("name", &SimpleClass::_name, String("SimpleClass"));
+
+		/** Alternatively, with getter and setter methods: */
+		register_property<SimpleClass, int>("value", &SimpleClass::set_value, &SimpleClass::get_value, 0);
+
+		/** Registering a signal: **/
+		register_signal<SimpleClass>("signal_name0"); // windows: error C2668: 'godot::register_signal': ambiguous call to overloaded function
+		register_signal<SimpleClass>("signal_name1", "string_argument", GODOT_VARIANT_TYPE_STRING);
+	}
+
+	String _name;
+	int _value;
+
+	void set_value(int p_value) {
+		_value = p_value;
+	}
+
+	int get_value() const {
+		return _value;
+	}
+};
+
+/** GDNative Initialize **/
+extern "C" void GDN_EXPORT godot_gdnative_init(godot_gdnative_init_options *o) {
+	godot::Godot::gdnative_init(o);
+}
+
+/** GDNative Terminate **/
+extern "C" void GDN_EXPORT godot_gdnative_terminate(godot_gdnative_terminate_options *o) {
+	godot::Godot::gdnative_terminate(o);
+}
+
+/** NativeScript Initialize **/
+extern "C" void GDN_EXPORT godot_nativescript_init(void *handle) {
+	godot::Godot::nativescript_init(handle);
+
+	godot::register_class<SimpleClass>();
+}