4 #include "game/camera.h"
5 #include "undo_history.h"
20 typedef struct Game Game;
22 int layer_render(LayerPtr layer, const Camera *camera, int active);
23 int layer_event(LayerPtr layer,
24 const SDL_Event *event,
26 UndoHistory *undo_history);
27 int layer_dump_stream(LayerPtr layer, FILE *stream);