Set up test project.

cpp/SConstruct

@@ -0,0 +1,93 @@
+#!python
+import os, subprocess
+
+opts = Variables([], ARGUMENTS)
+
+# Gets the standard flags CC, CCX, etc.
+env = DefaultEnvironment()
+
+# Define our options
+opts.Add(EnumVariable('target', "Compilation target", 'debug', ['d', 'debug', 'r', 'release']))
+opts.Add(EnumVariable('platform', "Compilation platform", '', ['', 'windows', 'x11', 'linux', 'osx']))
+opts.Add(EnumVariable('p', "Compilation target, alias for 'platform'", '', ['', 'windows', 'x11', 'linux', 'osx']))
+opts.Add(BoolVariable('use_llvm', "Use the LLVM / Clang compiler", 'no'))
+opts.Add(PathVariable('target_path', 'The path where the lib is installed.', '../game/gdn/'))
+opts.Add(PathVariable('target_name', 'The library name.', 'libgdexample', PathVariable.PathAccept))
+
+# Local dependency paths, adapt them to your setup
+godot_headers_path = "gdnative_cpp/pandemonium_headers/"
+cpp_bindings_path = "gdnative_cpp/"
+cpp_library = "libgodot-cpp"
+
+# only support 64 at this time..
+bits = 64
+
+# Updates the environment with the option variables.
+opts.Update(env)
+
+# Process some arguments
+if env['use_llvm']:
+    env['CC'] = 'clang'
+    env['CXX'] = 'clang++'
+
+if env['p'] != '':
+    env['platform'] = env['p']
+
+if env['platform'] == '':
+    print("No valid target platform selected.")
+    quit();
+
+# Check our platform specifics
+if env['platform'] == "osx":
+    env['target_path'] += 'osx/'
+    cpp_library += '.osx'
+    if env['target'] in ('debug', 'd'):
+        env.Append(CCFLAGS = ['-g','-O2', '-arch', 'x86_64', '-std=c++17'])
+        env.Append(LINKFLAGS = ['-arch', 'x86_64'])
+    else:
+        env.Append(CCFLAGS = ['-g','-O3', '-arch', 'x86_64', '-std=c++17'])
+        env.Append(LINKFLAGS = ['-arch', 'x86_64'])
+
+elif env['platform'] in ('x11', 'linux'):
+    env['target_path'] += 'x11/'
+    cpp_library += '.linux'
+    if env['target'] in ('debug', 'd'):
+        env.Append(CCFLAGS = ['-fPIC', '-g3','-Og', '-std=c++17'])
+    else:
+        env.Append(CCFLAGS = ['-fPIC', '-g','-O3', '-std=c++17'])
+
+elif env['platform'] == "windows":
+    env['target_path'] += 'win64/'
+    cpp_library += '.windows'
+    # This makes sure to keep the session environment variables on windows,
+    # that way you can run scons in a vs 2017 prompt and it will find all the required tools
+    env.Append(ENV = os.environ)
+
+    env.Append(CCFLAGS = ['-DWIN32', '-D_WIN32', '-D_WINDOWS', '-W3', '-GR', '-D_CRT_SECURE_NO_WARNINGS'])
+    if env['target'] in ('debug', 'd'):
+        env.Append(CCFLAGS = ['-EHsc', '-D_DEBUG', '-MDd'])
+    else:
+        env.Append(CCFLAGS = ['-O2', '-EHsc', '-DNDEBUG', '-MD'])
+
+if env['target'] in ('debug', 'd'):
+    cpp_library += '.debug'
+else:
+    cpp_library += '.release'
+
+cpp_library += '.' + str(bits)
+
+# make sure our binding library is properly includes
+env.Append(CPPPATH=['.', godot_headers_path, cpp_bindings_path + 'include/', cpp_bindings_path + 'include/core/', cpp_bindings_path + 'include/gen/'])
+env.Append(LIBPATH=[cpp_bindings_path + 'bin/'])
+env.Append(LIBS=[cpp_library])
+
+# 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(target=env['target_path'] + env['target_name'] , source=sources)
+
+Default(library)
+
+# Generates help for the -h scons option.
+Help(opts.GenerateHelpText(env))

cpp/src/gdexample.cpp

@@ -0,0 +1,54 @@
+#include "gdexample.h"
+
+using namespace godot;
+
+void GDExample::_register_methods() {
+	register_method("_process", &GDExample::_process);
+	register_property<GDExample, float>("amplitude", &GDExample::amplitude, 10.0);
+	register_property<GDExample, float>("speed", &GDExample::set_speed, &GDExample::get_speed, 1.0);
+
+	//register_signal<GDExample>((char *)"position_changed", "node", PANDEMONIUM_VARIANT_TYPE_OBJECT, "new_pos", PANDEMONIUM_VARIANT_TYPE_VECTOR2);
+	register_signal<GDExample>("position_changed");
+}
+
+GDExample::GDExample() {
+}
+
+GDExample::~GDExample() {
+	// add your cleanup here
+}
+
+void GDExample::_init() {
+	// initialize any variables here
+	time_passed = 0.0;
+	amplitude = 10.0;
+	speed = 1.0;
+}
+
+void GDExample::_process(float delta) {
+	time_passed += speed * delta;
+
+	Vector2 pos = get_position();
+
+	Vector2 new_position = Vector2(
+		amplitude * sin(time_passed * speed),
+		amplitude * cos(time_passed * speed)
+	);
+
+	set_position(new_position);
+
+	time_emit += delta;
+	if (time_emit > 1.0) {
+		emit_signal("position_changed");
+
+		time_emit = 0.0;
+	}
+}
+
+void GDExample::set_speed(float p_speed) {
+	speed = p_speed;
+}
+
+float GDExample::get_speed() {
+	return speed;
+}

cpp/src/gdexample.h

@@ -0,0 +1,33 @@
+#ifndef GDEXAMPLE_H
+#define GDEXAMPLE_H
+
+#include <Godot.hpp>
+#include <Sprite.hpp>
+
+namespace godot {
+
+class GDExample : public Sprite {
+	GODOT_CLASS(GDExample, Sprite)
+
+private:
+	float time_passed;
+	float time_emit;
+	float amplitude;
+	float speed;
+
+public:
+	static void _register_methods();
+
+	GDExample();
+	~GDExample();
+
+	void _init(); // our initializer called by Godot
+
+	void _process(float delta);
+	void set_speed(float p_speed);
+	float get_speed();
+};
+
+}
+
+#endif

cpp/src/gdlibrary.cpp

@@ -0,0 +1,15 @@
+#include "gdexample.h"
+
+extern "C" void GDN_EXPORT pandemonium_gdnative_init(pandemonium_gdnative_init_options *o) {
+	godot::Godot::gdnative_init(o);
+}
+
+extern "C" void GDN_EXPORT pandemonium_gdnative_terminate(pandemonium_gdnative_terminate_options *o) {
+	godot::Godot::gdnative_terminate(o);
+}
+
+extern "C" void GDN_EXPORT pandemonium_nativescript_init(void *handle) {
+	godot::Godot::nativescript_init(handle);
+
+	godot::register_class<godot::GDExample>();
+}

game/Main.tscn

@@ -1,3 +1,19 @@
-[gd_scene format=2]
+[gd_scene load_steps=4 format=2]
+
+[ext_resource path="res://gdn/gdexample.gdns" type="Script" id=1]
+[ext_resource path="res://icon.png" type="Texture" id=2]
+[ext_resource path="res://Node2D.gd" type="Script" id=3]
 
 [node name="Main" type="Node"]
+
+[node name="Node2D" type="Node2D" parent="."]
+position = Vector2( 392, 232 )
+script = ExtResource( 3 )
+
+[node name="Sprite" type="Sprite" parent="Node2D"]
+texture = ExtResource( 2 )
+script = ExtResource( 1 )
+amplitude = 150.0
+speed = 4.0
+
+[connection signal="position_changed" from="Node2D/Sprite" to="Node2D" method="_on_Sprite_position_changed"]

game/Node2D.gd

@@ -0,0 +1,21 @@
+extends Node2D
+
+
+# Declare member variables here. Examples:
+# var a: int = 2
+# var b: String = "text"
+
+
+# Called when the node enters the scene tree for the first time.
+func _ready() -> void:
+	pass # Replace with function body.
+
+
+# Called every frame. 'delta' is the elapsed time since the previous frame.
+#func _process(delta: float) -> void:
+#	pass
+
+
+func _on_Sprite_position_changed() -> void:
+#	print("!")
+	pass

game/gdn/gdexample.gdns

@@ -0,0 +1,7 @@
+[gd_resource type="NativeScript" load_steps=2 format=2]
+
+[ext_resource path="res://gdn/tgdn.tres" type="GDNativeLibrary" id=1]
+
+[resource]
+class_name = "GDExample"
+library = ExtResource( 1 )

game/gdn/tgdn.tres

@@ -0,0 +1,5 @@
+[gd_resource type="GDNativeLibrary" format=2]
+
+[resource]
+entry/X11.64 = "res://gdn/x11/libgdexample.so"
+dependency/X11.64 = [  ]

game/project.pandemonium

@@ -11,6 +11,7 @@ config_version=4
 [application]
 
 config/name="Sample"
+run/main_scene="res://Main.tscn"
 config/icon="res://icon.png"
 
 [physics]