#include "mruby-raylib/types.h"
#include "mruby-raylib/core.h"
#include "mruby-raylib/textures.h"
#include <raylib.h>
#include <mruby/array.h>
#include <mruby/class.h>
#include <mruby/numeric.h>
#include <mruby/string.h>
#include <stdlib.h>
#if defined(PLATFORM_WEB)
#include <emscripten/emscripten.h>
#endif

#if defined(PLATFORM_WEB)
void execute_emscripten_block(void*);
#endif

bool check_collision_circle_rec(mrb_state* mrb, mrb_value circle_obj, mrb_value rec_obj);




static mrb_value
mrb_NPatchInfo_initialize(mrb_state* mrb, mrb_value self) {
	mrb_value rect_source_obj;
	mrb_int left = 10;
	mrb_int top = 10;
	mrb_int right = 10;
	mrb_int bottom = 10;
	mrb_int layout = NPATCH_NINE_PATCH;
	mrb_get_args(mrb, "o|iiiii", &rect_source_obj, &left, &top, &right, &bottom, &layout);

	NPatchInfo *npatch_info = (NPatchInfo *)DATA_PTR(self);
	if(npatch_info) { mrb_free(mrb, npatch_info ); }
	mrb_data_init(self, NULL, &NPatchInfo_type);
	npatch_info = (NPatchInfo *)mrb_malloc(mrb, sizeof(NPatchInfo));

	Rectangle *rect_source = DATA_GET_PTR(mrb, rect_source_obj, &Rectangle_type, Rectangle);

	npatch_info->source = *rect_source;
	npatch_info->left = left;
	npatch_info->top = top;
	npatch_info->right = right;
	npatch_info->bottom = bottom;
	npatch_info->layout = layout;

	mrb_data_init(self, npatch_info, &NPatchInfo_type);
	return self;
}

/* accessors probably not needed
   static mrb_value
   mrb_NPatchInfo_get_source_rec(mrb_state* mrb, mrb_value self) {
   NPatchInfo *npi = DATA_GET_PTR(mrb, self, &NPatchInfo_type, NPatchInfo);
   struct RClass *c = mrb_module_get(mrb, "Raylib");
   struct RClass *rec_class = mrb_class_get_under(mrb, c, Rectangle_type.struct_name);
   return mrb_obj_value(Data_Wrap_Struct(mrb, rec_class, &Rectangle_type, &npi->source));
   }

   static mrb_value
   mrb_NPatchInfo_get_left(mrb_state* mrb, mrb_value self) {
   NPatchInfo *npi = DATA_GET_PTR(mrb, self, &NPatchInfo_type, NPatchInfo);
   return mrb_fixnum_value(npi->left);
   }

   static mrb_value
   mrb_NPatchInfo_get_top(mrb_state* mrb, mrb_value self) {
   NPatchInfo *npi = DATA_GET_PTR(mrb, self, &NPatchInfo_type, NPatchInfo);
   return mrb_fixnum_value(npi->top);
   }

   static mrb_value
   mrb_NPatchInfo_get_right(mrb_state* mrb, mrb_value self) {
   NPatchInfo *npi = DATA_GET_PTR(mrb, self, &NPatchInfo_type, NPatchInfo);
   return mrb_fixnum_value(npi->right);
   }

   static mrb_value
   mrb_NPatchInfo_get_bottom(mrb_state* mrb, mrb_value self) {
   NPatchInfo *npi = DATA_GET_PTR(mrb, self, &NPatchInfo_type, NPatchInfo);
   return mrb_fixnum_value(npi->bottom);
   }

   static mrb_value
   mrb_NPatchInfo_get_layout(mrb_state* mrb, mrb_value self) {
   NPatchInfo *npi = DATA_GET_PTR(mrb, self, &NPatchInfo_type, NPatchInfo);
   return mrb_fixnum_value(npi->layout);
   }*/

static mrb_value
mrb_Rectangle_initialize(mrb_state* mrb, mrb_value self) {
	mrb_float x = 0.0;
	mrb_float y = 0.0;
	mrb_float w = 10.0;
	mrb_float h = 10.0;
	mrb_get_args(mrb, "|ffff", &x, &y, &w, &h);

	Rectangle *rectangle = (Rectangle *)DATA_PTR(self);
	if(rectangle) { mrb_free(mrb, rectangle); }
	mrb_data_init(self, NULL, &Rectangle_type);
	rectangle = (Rectangle *)mrb_malloc(mrb, sizeof(Rectangle));

	rectangle->x = x;
	rectangle->y = y;
	rectangle->width = w;
	rectangle->height= h;

	mrb_data_init(self, rectangle, &Rectangle_type);
	return self;
}

static mrb_value
mrb_Rectangle_get_x(mrb_state* mrb, mrb_value self) {
	Rectangle *rect = DATA_GET_PTR(mrb, self, &Rectangle_type, Rectangle);
	return mrb_fixnum_value(rect->x);
}

static mrb_value
mrb_Rectangle_set_x(mrb_state* mrb, mrb_value self) {
	Rectangle *rect = DATA_GET_PTR(mrb, self, &Rectangle_type, Rectangle);
	mrb_float x;
	mrb_get_args(mrb, "f", &x);
	rect->x = x;
	return mrb_fixnum_value(rect->x);
}

static mrb_value
mrb_Rectangle_get_y(mrb_state* mrb, mrb_value self) {
	Rectangle *rect = DATA_GET_PTR(mrb, self, &Rectangle_type, Rectangle);
	return mrb_fixnum_value(rect->y);
}

static mrb_value
mrb_Rectangle_set_y(mrb_state* mrb, mrb_value self) {
	Rectangle *rect = DATA_GET_PTR(mrb, self, &Rectangle_type, Rectangle);
	mrb_float y;
	mrb_get_args(mrb, "f", &y);
	rect->y = y;
	return mrb_fixnum_value(rect->y);
}

static mrb_value
mrb_Rectangle_get_width(mrb_state* mrb, mrb_value self) {
	Rectangle *rect = DATA_GET_PTR(mrb, self, &Rectangle_type, Rectangle);
	return mrb_fixnum_value(rect->width);
}

static mrb_value
mrb_Rectangle_set_width(mrb_state* mrb, mrb_value self) {
	Rectangle *rect = DATA_GET_PTR(mrb, self, &Rectangle_type, Rectangle);
	mrb_float width;
	mrb_get_args(mrb, "f", &width);
	rect->x = width;
	return mrb_fixnum_value(rect->width);
}

static mrb_value
mrb_Rectangle_set_height(mrb_state* mrb, mrb_value self) {
	Rectangle *rect = DATA_GET_PTR(mrb, self, &Rectangle_type, Rectangle);
	mrb_float height;
	mrb_get_args(mrb, "f", &height);
	rect->x = height;
	return mrb_fixnum_value(rect->height);
}

static mrb_value
mrb_Rectangle_get_height(mrb_state* mrb, mrb_value self) {
	Rectangle *rect = DATA_GET_PTR(mrb, self, &Rectangle_type, Rectangle);
	return mrb_fixnum_value(rect->height);
}

static mrb_value
mrb_Vector2_initialize(mrb_state* mrb, mrb_value self) {
	mrb_float x = 1.0;
	mrb_float y = 1.0;
	mrb_get_args(mrb, "|ff", &x, &y);

	Vector2 *vector2 = (Vector2 *)DATA_PTR(self);
	if(vector2) { mrb_free(mrb, vector2); }
	mrb_data_init(self, NULL, &Vector2_type);
	vector2 = (Vector2 *)mrb_malloc(mrb, sizeof(Vector2));

	vector2->x = x;
	vector2->y = y;

	mrb_data_init(self, vector2, &Vector2_type);
	return self;
}

static mrb_value
mrb_Vector2_get_x(mrb_state* mrb, mrb_value self) {
	Vector2 *vec2 = DATA_GET_PTR(mrb, self, &Vector2_type, Vector2);
	return mrb_fixnum_value(vec2->x);
}

static mrb_value
mrb_Vector2_set_x(mrb_state* mrb, mrb_value self) {
	Vector2 *vec2 = DATA_GET_PTR(mrb, self, &Vector2_type, Vector2);
	mrb_float x;
	mrb_get_args(mrb, "f", &x);
	vec2->x = x;
	return mrb_fixnum_value(vec2->x);
}

static mrb_value
mrb_Vector2_get_y(mrb_state* mrb, mrb_value self) {
	Vector2 *vec2 = DATA_GET_PTR(mrb, self, &Vector2_type, Vector2);
	return mrb_fixnum_value(vec2->y);
}

static mrb_value
mrb_Vector2_set_y(mrb_state* mrb, mrb_value self) {
	Vector2 *vec2 = DATA_GET_PTR(mrb, self, &Vector2_type, Vector2);
	mrb_float y;
	mrb_get_args(mrb, "f", &y);
	vec2->y = y;
	return mrb_fixnum_value(vec2->y);
}

static mrb_value
mrb_Sound_initialize(mrb_state* mrb, mrb_value self) {
	char* path = NULL;
	mrb_get_args(mrb, "z", &path);

	Sound *sound = (Sound *)DATA_PTR(self);
	if(sound) { mrb_free(mrb, sound); }
	mrb_data_init(self, NULL, &Sound_type);
	sound = (Sound *)mrb_malloc(mrb, sizeof(Sound));

	*sound = LoadSound(path);

	mrb_data_init(self, sound, &Sound_type);
	return self;
}

static mrb_value
mrb_Sound_play(mrb_state* mrb, mrb_value self) {
	Sound *sound = DATA_GET_PTR(mrb, self, &Sound_type, Sound);
	PlaySound(*sound);
	return mrb_nil_value();
}

static mrb_value
mrb_Sound_stop(mrb_state* mrb, mrb_value self) {
	Sound *sound = DATA_GET_PTR(mrb, self, &Sound_type, Sound);
	StopSound(*sound);
	return mrb_nil_value();
}

static mrb_value
mrb_Sound_pause(mrb_state* mrb, mrb_value self) {
	Sound *sound = DATA_GET_PTR(mrb, self, &Sound_type, Sound);
	PauseSound(*sound);
	return mrb_nil_value();
}

static mrb_value
mrb_Sound_resume(mrb_state* mrb, mrb_value self) {
	Sound *sound = DATA_GET_PTR(mrb, self, &Sound_type, Sound);
	ResumeSound(*sound);
	return mrb_nil_value();
}

static mrb_value
mrb_Sound_set_volume(mrb_state* mrb, mrb_value self) {
	mrb_float vol;
	mrb_get_args(mrb, "f", &vol);
	Sound *sound = DATA_GET_PTR(mrb, self, &Sound_type, Sound);
	SetSoundVolume(*sound, vol);
	return mrb_fixnum_value(vol);
}

static mrb_value
mrb_Sound_set_pitch(mrb_state* mrb, mrb_value self) {
	mrb_float pitch;
	mrb_get_args(mrb, "f", &pitch);
	Sound *sound = DATA_GET_PTR(mrb, self, &Sound_type, Sound);
	SetSoundPitch(*sound, pitch);
	return mrb_fixnum_value(pitch);
}

static mrb_value
mrb_Sound_is_playing(mrb_state* mrb, mrb_value self) {
	Sound *sound = DATA_GET_PTR(mrb, self, &Sound_type, Sound);
	return mrb_bool_value(IsSoundPlaying(*sound));
}

static mrb_value
mrb_Music_initialize(mrb_state* mrb, mrb_value self) {
	char* path = NULL;
	mrb_get_args(mrb, "z", &path);

	Music *music = (Music *)DATA_PTR(self);
	if(music) { mrb_free(mrb, music); }
	mrb_data_init(self, NULL, &Music_type);
	music = (Music *)mrb_malloc(mrb, sizeof(Music));

	*music = LoadMusicStream(path);

	mrb_data_init(self, music, &Music_type);
	return self;
}

static mrb_value
mrb_Music_play(mrb_state* mrb, mrb_value self) {
	Music *music = DATA_GET_PTR(mrb, self, &Music_type, Music);
	PlayMusicStream(*music);
	return mrb_nil_value();
}

static mrb_value
mrb_Music_stop(mrb_state* mrb, mrb_value self) {
	Music *music = DATA_GET_PTR(mrb, self, &Music_type, Music);
	StopMusicStream(*music);
	return mrb_nil_value();
}

static mrb_value
mrb_Music_pause(mrb_state* mrb, mrb_value self) {
	Music *music = DATA_GET_PTR(mrb, self, &Music_type, Music);
	PauseMusicStream(*music);
	return mrb_nil_value();
}

static mrb_value
mrb_Music_resume(mrb_state* mrb, mrb_value self) {
	Music *music = DATA_GET_PTR(mrb, self, &Music_type, Music);
	ResumeMusicStream(*music);
	return mrb_nil_value();
}

static mrb_value
mrb_Music_is_playing(mrb_state* mrb, mrb_value self) {
	Music *music = DATA_GET_PTR(mrb, self, &Music_type, Music);
	return mrb_bool_value(IsMusicStreamPlaying(*music));
}

static mrb_value
mrb_Music_set_volume(mrb_state* mrb, mrb_value self) {
	mrb_float vol;
	mrb_get_args(mrb, "f", &vol);
	Music *music = DATA_GET_PTR(mrb, self, &Music_type, Music);
	SetMusicVolume(*music, vol);
	return mrb_fixnum_value(vol);
}

static mrb_value
mrb_Music_set_pitch(mrb_state* mrb, mrb_value self) {
	mrb_float pitch;
	mrb_get_args(mrb, "f", &pitch);
	Music *music = DATA_GET_PTR(mrb, self, &Music_type, Music);
	SetMusicPitch(*music, pitch);
	return mrb_fixnum_value(pitch);
}

static mrb_value
mrb_Music_seek(mrb_state* mrb, mrb_value self) {
	mrb_float pos;
	mrb_get_args(mrb, "f", &pos);
	Music *music = DATA_GET_PTR(mrb, self, &Music_type, Music);
	SeekMusicStream(*music, pos);
	return mrb_nil_value();
}

static mrb_value
mrb_Music_get_time_length(mrb_state* mrb, mrb_value self) {
	Music *music = DATA_GET_PTR(mrb, self, &Music_type, Music);
	return mrb_fixnum_value(GetMusicTimeLength(*music));
}

static mrb_value
mrb_Music_get_time_played(mrb_state* mrb, mrb_value self) {
	Music *music = DATA_GET_PTR(mrb, self, &Music_type, Music);
	return mrb_fixnum_value(GetMusicTimePlayed(*music));
}


static mrb_value
mrb_draw_texture_npatch(mrb_state* mrb, mrb_value self) {
	mrb_value texture_obj;
	mrb_value npi_obj;
	mrb_value dest_rec_obj;
	mrb_value pos_obj;
	mrb_float rotation;
	mrb_value tint_obj;
	mrb_get_args(mrb, "oooofo", &texture_obj, &npi_obj, &dest_rec_obj, &pos_obj, &rotation, &tint_obj);

	Texture *texture_data = DATA_GET_PTR(mrb, texture_obj, &Texture_type, Texture);
	NPatchInfo *npi_data = DATA_GET_PTR(mrb, npi_obj, &NPatchInfo_type, NPatchInfo);
	Rectangle *dest_rec_data = DATA_GET_PTR(mrb, dest_rec_obj, &Rectangle_type, Rectangle);
	Vector2 *pos_data = DATA_GET_PTR(mrb, pos_obj, &Vector2_type, Vector2);
	Color *tint_data = DATA_GET_PTR(mrb, tint_obj, &Color_type, Color);

	DrawTextureNPatch(*texture_data, *npi_data, *dest_rec_data, *pos_data, rotation, *tint_data);

	return mrb_nil_value();
}

static mrb_value
mrb_begin_blend_mode(mrb_state* mrb, mrb_value self) {
	mrb_int mode;
	mrb_get_args(mrb, "i", &mode);

	BeginBlendMode(mode);
	return mrb_nil_value();
}

static mrb_value
mrb_end_blend_mode(mrb_state* mrb, mrb_value self) {
	EndBlendMode();
	return mrb_nil_value();
}


static mrb_value
mrb_Color_initialize(mrb_state* mrb, mrb_value self) {
	mrb_int r = 255;
	mrb_int g = 0;
	mrb_int b = 0;
	mrb_int a = 255;
	mrb_get_args(mrb, "|iiii", &r, &g, &b, &a);

	Color *color;
	WRAPSTRUCT(Color, Color_type, self, color);

	color->r = r;
	color->g = g;
	color->b = b;
	color->a = a;

	mrb_data_init(self, color, &Color_type);
	return self;
}

static mrb_value
mrb_Color_get_red(mrb_state* mrb, mrb_value self) {
	Color *color;
	UNWRAPSTRUCT(Color, Color_type, self, color);
	return mrb_fixnum_value(color->r);
}

static mrb_value
mrb_Color_set_red(mrb_state* mrb, mrb_value self) {
	Color *color;
	UNWRAPSTRUCT(Color, Color_type, self, color);
	mrb_int r;
	mrb_get_args(mrb, "i", &r);
	color->r = r;

	return mrb_fixnum_value(color->r);
}

static mrb_value
mrb_Color_get_green(mrb_state* mrb, mrb_value self) {
	Color *color;
	UNWRAPSTRUCT(Color, Color_type, self, color);
	return mrb_fixnum_value(color->g);
}

static mrb_value
mrb_Color_set_green(mrb_state* mrb, mrb_value self) {
	Color *color;
	UNWRAPSTRUCT(Color, Color_type, self, color);
	mrb_int g;
	mrb_get_args(mrb, "i", &g);
	color->g = g;

	return mrb_fixnum_value(color->g);
}

static mrb_value
mrb_Color_get_blue(mrb_state* mrb, mrb_value self) {
	Color *color;
	UNWRAPSTRUCT(Color, Color_type, self, color);

	return mrb_fixnum_value(color->b);
}

static mrb_value
mrb_Color_set_blue(mrb_state* mrb, mrb_value self) {
	Color *color;
	UNWRAPSTRUCT(Color, Color_type, self, color);
	mrb_int b;
	mrb_get_args(mrb, "i", &b);
	color->b = b;

	return mrb_fixnum_value(color->b);
}

static mrb_value
mrb_Color_get_alpha(mrb_state* mrb, mrb_value self) {
	Color *color;
	UNWRAPSTRUCT(Color, Color_type, self, color);
	return mrb_fixnum_value(color->a);
}

static mrb_value
mrb_Color_set_alpha(mrb_state* mrb, mrb_value self) {
	Color *color;
	UNWRAPSTRUCT(Color, Color_type, self, color);
	mrb_int a;
	mrb_get_args(mrb, "i", &a);
	color->a = a;

	return mrb_fixnum_value(color->a);
}

static mrb_value
mrb_is_mouse_button_pressed(mrb_state* mrb, mrb_value self) {
	mrb_int button;
	mrb_get_args(mrb, "i", &button);

	return mrb_bool_value(IsMouseButtonPressed(button));
}

static mrb_value
mrb_is_mouse_button_down(mrb_state* mrb, mrb_value self) {
	mrb_int button;
	mrb_get_args(mrb, "i", &button);

	return mrb_bool_value(IsMouseButtonDown(button));
}

static mrb_value
mrb_is_mouse_button_released(mrb_state* mrb, mrb_value self) {
	mrb_int button;
	mrb_get_args(mrb, "i", &button);

	return mrb_bool_value(IsMouseButtonReleased(button));
}

static mrb_value
mrb_is_mouse_button_up(mrb_state* mrb, mrb_value self) {
	mrb_int button;
	mrb_get_args(mrb, "i", &button);

	return mrb_bool_value(IsMouseButtonUp(button));
}

static mrb_value
mrb_is_key_pressed(mrb_state* mrb, mrb_value self) {
	mrb_int key;
	mrb_get_args(mrb, "i", &key);

	return mrb_bool_value(IsKeyPressed(key));
}

static mrb_value
mrb_is_key_down(mrb_state* mrb, mrb_value self) {
	mrb_int key;
	mrb_get_args(mrb, "i", &key);

	return mrb_bool_value(IsKeyDown(key));
}


static mrb_value
mrb_is_key_released(mrb_state* mrb, mrb_value self) {
	mrb_int key;
	mrb_get_args(mrb, "i", &key);

	return mrb_bool_value(IsKeyReleased(key));
}

static mrb_value
mrb_is_key_up(mrb_state* mrb, mrb_value self) {
	mrb_int key;
	mrb_get_args(mrb, "i", &key);

	return mrb_bool_value(IsKeyUp(key));
}

static mrb_value
mrb_get_key_pressed(mrb_state* mrb, mrb_value self) {
	return mrb_fixnum_value(GetKeyPressed());
}

static mrb_value
mrb_get_mouse_x(mrb_state* mrb, mrb_value self) {
	return mrb_fixnum_value(GetMouseX());
}

static mrb_value
mrb_get_mouse_y(mrb_state* mrb, mrb_value self) {
	return mrb_fixnum_value(GetMouseY());
}

static mrb_value
mrb_get_mouse_position(mrb_state* mrb, mrb_value self) {
	Vector2 *pos = (Vector2 *)mrb_malloc(mrb, sizeof(Vector2));
	*pos = GetMousePosition();
	struct RClass *c = mrb_module_get(mrb, "Raylib");
	struct RClass *vec_class = mrb_class_get_under(mrb, c, Vector2_type.struct_name);
	return mrb_obj_value(Data_Wrap_Struct(mrb, vec_class, &Vector2_type, pos));
}

static mrb_value
mrb_get_mouse_wheel_move(mrb_state* mrb, mrb_value self) {
	return mrb_float_value(mrb, GetMouseWheelMove());
}

static mrb_value
mrb_init_audio_device(mrb_state* mrb, mrb_value self) {
	InitAudioDevice();

	return mrb_nil_value();
}

static mrb_value
mrb_is_audio_device_ready(mrb_state* mrb, mrb_value self) {
	return mrb_bool_value(IsAudioDeviceReady());
}

static mrb_value
mrb_close_audio_device(mrb_state* mrb, mrb_value self) {
	CloseAudioDevice();

	return mrb_nil_value();
}

static mrb_value
mrb_set_master_volume(mrb_state* mrb, mrb_value self) {
	mrb_float volume;
	mrb_get_args(mrb, "f", &volume);
	SetMasterVolume(volume);
	return mrb_nil_value();
}

/*
 * Returns a string telling if the platform is web or desktop.
 *
 * *Returns:*
 *
 * * +String+—Either "web" or "desktop".
 */
static mrb_value
mrb_platform(mrb_state* mrb, mrb_value self) {
#if defined(PLATFORM_WEB)
	return mrb_str_new_lit(mrb, "web");
#else
	return mrb_str_new_lit(mrb, "desktop");
#endif
}

//void DrawText(const char *text, int posX, int posY, int fontSize, Color color);
static mrb_value
mrb_draw_text(mrb_state* mrb, mrb_value self) {
	char* text = "Default Text";
	mrb_int x = 0;
	mrb_int y = 0;
	mrb_int fontSize = 16;
	mrb_value color_obj;


	mrb_get_args(mrb, "|ziiio", &text, &x, &y, &fontSize, &color_obj);
	Color *color;
	UNWRAPSTRUCT(Color, Color_type, color_obj, color);
	DrawText(text, x, y, fontSize, *color);
	return mrb_nil_value();
}

static mrb_value 
mrb_call_main_loop(mrb_state* mrb, mrb_value self) {
	struct RClass *c = mrb_module_get(mrb, "Raylib");
	return mrb_funcall(mrb, mrb_obj_value(c), "main_loop", 0);
}

#if defined(PLATFORM_WEB)
static mrb_value 
mrb_emscripten_set_main_loop(mrb_state* mrb, mrb_value self) {
	emscripten_set_main_loop_arg(execute_emscripten_block, mrb, 0, 1);
	return mrb_nil_value();
}

void
execute_emscripten_block(void* mrb) {
	struct RClass *c = mrb_module_get(mrb, "Raylib");
	mrb_funcall(mrb, mrb_obj_value(c), "main_loop", 0);
}
#endif

static mrb_value
mrb_target_fps(mrb_state* mrb, mrb_value self) {
	mrb_int fps = 60;
	mrb_get_args(mrb, "i", &fps);
	SetTargetFPS(fps);
	return mrb_nil_value();
}

static mrb_value
mrb_fps(mrb_state* mrb, mrb_value self) {
	return mrb_fixnum_value(GetFPS());
}

static mrb_value
mrb_frame_time(mrb_state* mrb, mrb_value self) {
	return mrb_float_value(mrb, GetFrameTime());
}

static mrb_value
mrb_time(mrb_state* mrb, mrb_value self) {
	return mrb_float_value(mrb, GetTime());
}

static mrb_value
mrb_Circle_collide_with_circ(mrb_state* mrb, mrb_value self) {
	mrb_value circle_obj;
	mrb_get_args(mrb, "o", &circle_obj);

	mrb_value vector_obj1 = mrb_funcall(mrb, self, "vector", 0);
	Vector2 *center1 = DATA_GET_PTR(mrb, vector_obj1, &Vector2_type, Vector2);
	mrb_float radius1 = mrb_as_float(mrb, mrb_funcall(mrb, self, "radius", 0));

	mrb_value vector_obj2 = mrb_funcall(mrb, circle_obj, "vector", 0);
	Vector2 *center2 = DATA_GET_PTR(mrb, vector_obj2, &Vector2_type, Vector2);
	mrb_float radius2 = mrb_as_float(mrb, mrb_funcall(mrb, circle_obj, "radius", 0));

	return mrb_bool_value(CheckCollisionCircles(*center1, radius1, *center2, radius2));
}

static mrb_value
mrb_Rectangle_collide_with_rec(mrb_state* mrb, mrb_value self) {
	mrb_value rec1_obj;
	mrb_get_args(mrb, "o", &rec1_obj);

	Rectangle *rec1 = DATA_GET_PTR(mrb, rec1_obj, &Rectangle_type, Rectangle);
	Rectangle *rec2 = DATA_GET_PTR(mrb, self, &Rectangle_type, Rectangle);

	return mrb_bool_value(CheckCollisionRecs(*rec1, *rec2));
}

static mrb_value
mrb_Rectangle_collide_with_point(mrb_state* mrb, mrb_value self) {
	mrb_value vec_obj;
	mrb_get_args(mrb, "o", &vec_obj);
	Vector2 *point = DATA_GET_PTR(mrb, vec_obj, &Vector2_type, Vector2);
	Rectangle *rec_self = DATA_GET_PTR(mrb, self, &Rectangle_type, Rectangle);

	return mrb_bool_value(CheckCollisionPointRec(*point, *rec_self));
}

bool
check_collision_circle_rec(mrb_state* mrb, mrb_value circle_obj, mrb_value rec_obj) {
	mrb_value vector_obj = mrb_funcall(mrb, circle_obj, "vector", 0);
	mrb_float radius = mrb_as_float(mrb, mrb_funcall(mrb, circle_obj, "radius", 0));
	Vector2 *center = DATA_GET_PTR(mrb, vector_obj, &Vector2_type, Vector2);
	Rectangle *rec = DATA_GET_PTR(mrb, rec_obj, &Rectangle_type, Rectangle);

	return CheckCollisionCircleRec(*center, radius, *rec);
}

static mrb_value
mrb_Rectangle_collide_with_circ(mrb_state* mrb, mrb_value self) {
	mrb_value circle_obj;
	mrb_get_args(mrb, "o", &circle_obj);

	return mrb_bool_value(check_collision_circle_rec(mrb, circle_obj, self));
}

static mrb_value
mrb_Circle_collide_with_rec(mrb_state* mrb, mrb_value self) {
	mrb_value rec_obj;
	mrb_get_args(mrb, "o", &rec_obj);

	return mrb_bool_value(check_collision_circle_rec(mrb, self, rec_obj));
}

static mrb_value
mrb_Rectangle_get_collision_rec(mrb_state* mrb, mrb_value self) {
	mrb_value rec_obj;
	mrb_get_args(mrb, "o", &rec_obj);

	Rectangle *rec_self = DATA_GET_PTR(mrb, self, &Rectangle_type, Rectangle);
	Rectangle *rec_other = DATA_GET_PTR(mrb, rec_obj, &Rectangle_type, Rectangle);
	Rectangle *collision_rec = (Rectangle *)mrb_malloc(mrb, sizeof(Rectangle));
	*collision_rec = GetCollisionRec(*rec_self, *rec_other);

	struct RClass *c = mrb_module_get(mrb, "Raylib");
	struct RClass *rec_class = mrb_class_get_under(mrb, c, Rectangle_type.struct_name);
	return mrb_obj_value(Data_Wrap_Struct(mrb, rec_class, &Rectangle_type, collision_rec));
}

static mrb_value
mrb_Rectangle_draw_rectangle_rec(mrb_state* mrb, mrb_value self) {
	mrb_value color_obj;
	mrb_get_args(mrb, "o", &color_obj);

	Color *color;
	UNWRAPSTRUCT(Color, Color_type, color_obj, color);
	Rectangle *rec_self = DATA_GET_PTR(mrb, self, &Rectangle_type, Rectangle);
	DrawRectangleRec(*rec_self, *color);

	return mrb_nil_value();
}

static mrb_value
mrb_Rectangle_draw_rectangle_lines_ex(mrb_state* mrb, mrb_value self) {
	mrb_value color_obj;
	mrb_float line_thick;
	mrb_get_args(mrb, "fo", &line_thick, &color_obj);

	Color *color;
	UNWRAPSTRUCT(Color, Color_type, color_obj, color);
	Rectangle *rec_self = DATA_GET_PTR(mrb, self, &Rectangle_type, Rectangle);
	DrawRectangleLinesEx(*rec_self, line_thick, *color);

	return mrb_nil_value();
}

void
mrb_mruby_raylib_gem_init(mrb_state* mrb) {
	mrb_init_raylib_core(mrb);
	mrb_init_raylib_textures(mrb);

	struct RClass *raylib = mrb_define_module(mrb, "Raylib");
	mrb_define_module_function(mrb, raylib, "platform", mrb_platform, MRB_ARGS_NONE());
	mrb_define_module_function(mrb, raylib, "_draw_text", mrb_draw_text, MRB_ARGS_OPT(5));
	mrb_define_module_function(mrb, raylib, "call_main_loop", mrb_call_main_loop, MRB_ARGS_NONE());
	mrb_define_module_function(mrb, raylib, "target_fps=", mrb_target_fps, MRB_ARGS_REQ(1));
	mrb_define_module_function(mrb, raylib, "fps", mrb_fps, MRB_ARGS_NONE());
	mrb_define_module_function(mrb, raylib, "frame_time", mrb_frame_time, MRB_ARGS_NONE());
	mrb_define_module_function(mrb, raylib, "time", mrb_time, MRB_ARGS_NONE());
	mrb_define_module_function(mrb, raylib, "mouse_button_pressed?", mrb_is_mouse_button_pressed, MRB_ARGS_REQ(1));
	mrb_define_module_function(mrb, raylib, "mouse_button_down?", mrb_is_mouse_button_down, MRB_ARGS_REQ(1));
	mrb_define_module_function(mrb, raylib, "mouse_button_released?", mrb_is_mouse_button_released, MRB_ARGS_REQ(1));
	mrb_define_module_function(mrb, raylib, "mouse_button_up?", mrb_is_mouse_button_up, MRB_ARGS_REQ(1));
	mrb_define_module_function(mrb, raylib, "key_pressed?", mrb_is_key_pressed, MRB_ARGS_REQ(1));
	mrb_define_module_function(mrb, raylib, "key_down?", mrb_is_key_down, MRB_ARGS_REQ(1));
	mrb_define_module_function(mrb, raylib, "key_released?", mrb_is_key_released, MRB_ARGS_REQ(1));
	mrb_define_module_function(mrb, raylib, "key_up?", mrb_is_key_up, MRB_ARGS_REQ(1));
	mrb_define_module_function(mrb, raylib, "_next_key_pressed", mrb_get_key_pressed, MRB_ARGS_NONE());
	mrb_define_module_function(mrb, raylib, "mouse_x", mrb_get_mouse_x, MRB_ARGS_NONE());
	mrb_define_module_function(mrb, raylib, "mouse_y", mrb_get_mouse_y, MRB_ARGS_NONE());
	mrb_define_module_function(mrb, raylib, "mouse_position", mrb_get_mouse_position, MRB_ARGS_NONE());
	mrb_define_module_function(mrb, raylib, "mouse_wheel", mrb_get_mouse_wheel_move, MRB_ARGS_NONE());
	mrb_define_module_function(mrb, raylib, "begin_blend_mode", mrb_begin_blend_mode, MRB_ARGS_REQ(1));
	mrb_define_module_function(mrb, raylib, "end_blend_mode", mrb_end_blend_mode, MRB_ARGS_NONE());

	struct RClass *color_class = mrb_define_class_under(mrb, raylib, "Color", mrb->object_class);
	MRB_SET_INSTANCE_TT(color_class, MRB_TT_DATA);
	mrb_define_method(mrb, color_class, "initialize", mrb_Color_initialize, MRB_ARGS_OPT(4));
	mrb_define_method(mrb, color_class, "r", mrb_Color_get_red, MRB_ARGS_NONE());
	mrb_define_method(mrb, color_class, "r=", mrb_Color_set_red, MRB_ARGS_REQ(1));
	mrb_define_method(mrb, color_class, "g", mrb_Color_get_green, MRB_ARGS_NONE());
	mrb_define_method(mrb, color_class, "g=", mrb_Color_set_green, MRB_ARGS_REQ(1));
	mrb_define_method(mrb, color_class, "b", mrb_Color_get_blue, MRB_ARGS_NONE());
	mrb_define_method(mrb, color_class, "b=", mrb_Color_set_blue, MRB_ARGS_REQ(1));
	mrb_define_method(mrb, color_class, "a", mrb_Color_get_alpha, MRB_ARGS_NONE());
	mrb_define_method(mrb, color_class, "a=", mrb_Color_set_alpha, MRB_ARGS_REQ(1));

	mrb_define_module_function(mrb, raylib, "init_audio_device", mrb_init_audio_device, MRB_ARGS_NONE());
	mrb_define_module_function(mrb, raylib, "audio_device_ready?", mrb_is_audio_device_ready, MRB_ARGS_NONE());
	mrb_define_module_function(mrb, raylib, "close_audio_device", mrb_close_audio_device, MRB_ARGS_NONE());
	mrb_define_module_function(mrb, raylib, "set_master_volume", mrb_set_master_volume, MRB_ARGS_REQ(1));

	struct RClass *sound_class = mrb_define_class_under(mrb, raylib, "Sound", mrb->object_class);
	MRB_SET_INSTANCE_TT(sound_class, MRB_TT_DATA);
	mrb_define_method(mrb, sound_class, "initialize", mrb_Sound_initialize, MRB_ARGS_REQ(1));
	mrb_define_method(mrb, sound_class, "play", mrb_Sound_play, MRB_ARGS_NONE());
	mrb_define_method(mrb, sound_class, "stop", mrb_Sound_stop, MRB_ARGS_NONE());
	mrb_define_method(mrb, sound_class, "pause", mrb_Sound_pause, MRB_ARGS_NONE());
	mrb_define_method(mrb, sound_class, "resume", mrb_Sound_resume, MRB_ARGS_NONE());
	mrb_define_method(mrb, sound_class, "volume=", mrb_Sound_set_volume, MRB_ARGS_REQ(1));
	mrb_define_method(mrb, sound_class, "pitch=", mrb_Sound_set_pitch, MRB_ARGS_REQ(1));
	mrb_define_method(mrb, sound_class, "playing?", mrb_Sound_is_playing, MRB_ARGS_NONE());

	struct RClass *music_class = mrb_define_class_under(mrb, raylib, "Music", mrb->object_class);
	MRB_SET_INSTANCE_TT(music_class, MRB_TT_DATA);
	mrb_define_method(mrb, music_class, "initialize", mrb_Music_initialize, MRB_ARGS_REQ(1));
	mrb_define_method(mrb, music_class, "play", mrb_Music_play, MRB_ARGS_NONE());
	mrb_define_method(mrb, music_class, "stop", mrb_Music_stop, MRB_ARGS_NONE());
	mrb_define_method(mrb, music_class, "pause", mrb_Music_pause, MRB_ARGS_NONE());
	mrb_define_method(mrb, music_class, "resume", mrb_Music_resume, MRB_ARGS_NONE());
	mrb_define_method(mrb, music_class, "volume=", mrb_Music_set_volume, MRB_ARGS_REQ(1));
	mrb_define_method(mrb, music_class, "pitch=", mrb_Music_set_pitch, MRB_ARGS_REQ(1));
	mrb_define_method(mrb, music_class, "seek", mrb_Music_seek, MRB_ARGS_REQ(1));
	mrb_define_method(mrb, music_class, "playing?", mrb_Music_is_playing, MRB_ARGS_NONE());
	mrb_define_method(mrb, music_class, "time_length", mrb_Music_get_time_length, MRB_ARGS_NONE());
	mrb_define_method(mrb, music_class, "time_played", mrb_Music_get_time_played, MRB_ARGS_NONE());

	struct RClass *vector2_class = mrb_define_class_under(mrb, raylib, "Vector2", mrb->object_class);
	MRB_SET_INSTANCE_TT(vector2_class, MRB_TT_DATA);
	mrb_define_method(mrb, vector2_class, "initialize", mrb_Vector2_initialize, MRB_ARGS_OPT(2));
	mrb_define_method(mrb, vector2_class, "x", mrb_Vector2_get_x, MRB_ARGS_NONE());
	mrb_define_method(mrb, vector2_class, "x=", mrb_Vector2_set_x, MRB_ARGS_REQ(1));
	mrb_define_method(mrb, vector2_class, "y", mrb_Vector2_get_y, MRB_ARGS_NONE());
	mrb_define_method(mrb, vector2_class, "y=", mrb_Vector2_set_y, MRB_ARGS_REQ(1));

	struct RClass *rectangle_class = mrb_define_class_under(mrb, raylib, "Rectangle", mrb->object_class);
	MRB_SET_INSTANCE_TT(rectangle_class, MRB_TT_DATA);
	mrb_define_method(mrb, rectangle_class, "initialize", mrb_Rectangle_initialize, MRB_ARGS_OPT(4));
	mrb_define_method(mrb, rectangle_class, "x", mrb_Rectangle_get_x, MRB_ARGS_NONE());
	mrb_define_method(mrb, rectangle_class, "x=", mrb_Rectangle_set_x, MRB_ARGS_REQ(1));
	mrb_define_method(mrb, rectangle_class, "y", mrb_Rectangle_get_y, MRB_ARGS_NONE());
	mrb_define_method(mrb, rectangle_class, "y=", mrb_Rectangle_set_y, MRB_ARGS_REQ(1));
	mrb_define_method(mrb, rectangle_class, "width", mrb_Rectangle_get_width, MRB_ARGS_NONE());
	mrb_define_method(mrb, rectangle_class, "width=", mrb_Rectangle_set_width, MRB_ARGS_REQ(1));
	mrb_define_method(mrb, rectangle_class, "w", mrb_Rectangle_get_width, MRB_ARGS_NONE());
	mrb_define_method(mrb, rectangle_class, "w=", mrb_Rectangle_set_width, MRB_ARGS_REQ(1));
	mrb_define_method(mrb, rectangle_class, "height", mrb_Rectangle_get_height, MRB_ARGS_NONE());
	mrb_define_method(mrb, rectangle_class, "height=", mrb_Rectangle_set_height, MRB_ARGS_REQ(1));
	mrb_define_method(mrb, rectangle_class, "h", mrb_Rectangle_get_height, MRB_ARGS_NONE());
	mrb_define_method(mrb, rectangle_class, "h=", mrb_Rectangle_set_height, MRB_ARGS_REQ(1));
	mrb_define_method(mrb, rectangle_class, "collision_rec", mrb_Rectangle_get_collision_rec, MRB_ARGS_REQ(1));
	mrb_define_method(mrb, rectangle_class, "collide_with_rec?", mrb_Rectangle_collide_with_rec, MRB_ARGS_REQ(1));
	mrb_define_method(mrb, rectangle_class, "collide_with_circle?", mrb_Rectangle_collide_with_circ, MRB_ARGS_REQ(1));
	mrb_define_method(mrb, rectangle_class, "collide_with_point?", mrb_Rectangle_collide_with_point, MRB_ARGS_REQ(1));
	mrb_define_method(mrb, rectangle_class, "_draw", mrb_Rectangle_draw_rectangle_rec, MRB_ARGS_REQ(1));
	mrb_define_method(mrb, rectangle_class, "_draw_lines", mrb_Rectangle_draw_rectangle_lines_ex, MRB_ARGS_REQ(2));

	struct RClass *circle_class = mrb_define_class_under(mrb, raylib, "Circle", mrb->object_class);
	mrb_define_method(mrb, circle_class, "collide_with_rec?", mrb_Circle_collide_with_rec, MRB_ARGS_REQ(1));
	mrb_define_method(mrb, circle_class, "collide_with_circle?", mrb_Circle_collide_with_circ, MRB_ARGS_REQ(1));

	struct RClass *npatch_info_class = mrb_define_class_under(mrb, raylib, "NPatchInfo", mrb->object_class);
	mrb_define_method(mrb, npatch_info_class, "initialize", mrb_NPatchInfo_initialize, MRB_ARGS_REQ(1) | MRB_ARGS_OPT(5));
	/* accessors probably not needed
	   mrb_define_method(mrb, npatch_info_class, "source_rec", mrb_NPatchInfo_get_source_rec, MRB_ARGS_NONE());
	   mrb_define_method(mrb, npatch_info_class, "left", mrb_NPatchInfo_get_left, MRB_ARGS_NONE());
	   mrb_define_method(mrb, npatch_info_class, "top", mrb_NPatchInfo_get_top, MRB_ARGS_NONE());
	   mrb_define_method(mrb, npatch_info_class, "right", mrb_NPatchInfo_get_right, MRB_ARGS_NONE());
	   mrb_define_method(mrb, npatch_info_class, "bottom", mrb_NPatchInfo_get_bottom, MRB_ARGS_NONE());
	   mrb_define_method(mrb, npatch_info_class, "layout", mrb_NPatchInfo_get_layout, MRB_ARGS_NONE());*/

#if defined(PLATFORM_WEB)
	mrb_define_module_function(mrb, raylib, "emscripten_set_main_loop", mrb_emscripten_set_main_loop, MRB_ARGS_NONE());
#endif
}

void
mrb_mruby_raylib_gem_final(mrb_state* mrb) {
	/* finalizer */
	if (IsWindowReady()) { CloseWindow(); };
}