typedef struct sLayer { SDL_Surface* sprite; int x,y,h,v; int oX, oY; } SLayer; typedef struct transition { int in; SDL_Color incolor; int out; SDL_Color outcolor; } Transition; typedef struct scene { SLayer** sprites; int nSprites; int time; Transition fade; } Scene; SLayer* newSLayer(SDL_Surface* img, int x, int y, int h, int v, int alpha); void deleteSLayer(SLayer* target); Scene* newScene(int in, int out, int time, SDL_Color incolor, SDL_Color outcolor); void buildScene(Scene* self, SLayer* sprite); void playScene(Scene* self); void deleteScene(Scene* target);