#ifndef FRT_H #define FRT_H /*************************************************************************/ /* frt.h */ /*************************************************************************/ /* This file is part of: */ /* PANDEMONIUM ENGINE */ /* https://github.com/Relintai/pandemonium_engine */ /*************************************************************************/ /* Copyright (c) 2022-present Péter Magyar. */ /* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */ /* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */ /* */ /* 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. */ /*************************************************************************/ // frt.h /* * FRT - A Godot platform targeting single board computers * Copyright (c) 2017-2019 Emanuele Fornara * * 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. */ #define FRT_WINDOW_TITLE "Pandemonium / FRT" #define FRT_VERSION "1.1.0" #include struct InputModifierState; namespace frt { void fatal(const char *format, ...) #ifdef __GNUC__ __attribute__((format(printf, 1, 2))) #endif ; struct Module { virtual const char *get_id() const = 0; virtual bool probe() = 0; virtual void cleanup() = 0; virtual bool handle_meta(int gd_code, bool pressed) { return false; } }; struct EventDispatcher { virtual void dispatch_events() = 0; }; struct EventHandler { virtual void handle_event() = 0; }; struct Value { enum Type { BOOL, INT, FLOAT, STRING, } t; union { bool b; int i; float f; const char *s; } u; Value(bool v) : t(BOOL) { u.b = v; } Value(int v) : t(INT) { u.i = v; } Value(float v) : t(FLOAT) { u.f = v; } Value(const char *v) : t(STRING) { u.s = v; } }; struct Param { const char *name; Value value; enum Source { Default, CommandLine, ProjectSettings, } source; Param(const char *name_, Value value_) : name(name_), value(value_), source(Default) {} }; class App { public: static const int max_modules = 30; static const int max_contexts = 10; static const int max_dispatchers = 10; void register_(Module *module); int size() const { return nm; } Module *get(int i) const { return m[i]; } Module *get(const char *id) const; Module *probe(const char *ids[]); Module *probe_single(); Module *probe(const char *id) { const char *ids[] = { id, 0 }; return probe(ids); } void **get_context(const char *key); void add_dispatcher(EventDispatcher *dispatcher); void remove_dispatcher(EventDispatcher *dispatcher); void dispatch_events(); void quit() { running = false; } bool is_running() const { return running; } void parse_args(int *argc, char ***argv); int get_n_of_params() const; Param *get_param(int i) const; Param *get_param(const char *name) const; bool get_bool_param(const char *name) const { return get_param(name)->value.u.b; } int get_int_param(const char *name) const { return get_param(name)->value.u.i; } float get_float_param(const char *name) const { return get_param(name)->value.u.f; } const char *get_string_param(const char *name) const { return get_param(name)->value.u.s; } static App *instance(); private: App() : nm(0), nc(0), nd(0), running(true) {} Module *m[max_modules]; struct { const char *key; void *value; } c[max_contexts]; EventDispatcher *d[max_dispatchers]; int nm, nc, nd; bool running; }; struct RegisterModule { RegisterModule(Module *module) { App::instance()->register_(module); } }; #define FRT_REGISTER(C) \ static C C##_instance; \ static frt::RegisterModule C##_helper(&C##_instance); struct Vec2 { int x; int y; Vec2(int x_ = 0, int y_ = 0) : x(x_), y(y_) {} }; struct ContextGL { virtual void release_current() = 0; virtual void make_current() = 0; virtual void swap_buffers() = 0; virtual int get_window_width() = 0; virtual int get_window_height() = 0; virtual bool initialize() = 0; virtual void set_use_vsync(bool use) = 0; virtual bool is_using_vsync() const = 0; }; struct Video : public Module { virtual Vec2 get_screen_size() const = 0; virtual Vec2 get_view_size() const = 0; virtual void set_title(const char *title) = 0; virtual Vec2 move_pointer(const Vec2 &screen) = 0; virtual void show_pointer(bool enable) = 0; virtual ContextGL *create_the_gl_context(int version, Vec2 view) = 0; virtual bool provides_quit() = 0; }; struct Keyboard : public Module { struct Handler { virtual void handle_keyboard_key(int gd_code, bool pressed, uint32_t unicode, bool echo) = 0; }; virtual void set_handler(Handler *handler) = 0; virtual void get_modifier_state(InputModifierState &state) const = 0; }; struct Mouse : public Module { enum Button { Left, Middle, Right, WheelUp, WheelDown }; struct Handler { virtual void handle_mouse_button(Button button, bool pressed) = 0; virtual void handle_mouse_motion(Vec2 pos) = 0; }; virtual Vec2 get_pos() const = 0; virtual void set_size(Vec2 size) = 0; virtual void set_handler(Handler *handler) = 0; }; struct Env { Video *video; Keyboard *keyboard; Mouse *mouse; }; struct EnvProbe : public Module { virtual void probe_env(Env *env) = 0; }; struct Runnable : public Module { virtual void setup_env(Env *env) = 0; virtual void run_() = 0; virtual int get_exit_code_() = 0; }; } // namespace frt #ifdef FRT_MOCK_GODOT_INPUT_MODIFIER_STATE struct InputModifierState { bool shift; bool alt; bool control; bool meta; }; #endif // FRT_MOCK_GODOT_INPUT_MODIFIER_STATE #ifdef FRT_TEST #define FRT_GLES_VERSION 2 #else #ifndef GLES3_DISABLED #define FRT_GLES_VERSION 3 #else #define FRT_GLES_VERSION 2 #endif #endif // FRT_TEST #endif // FRT_H