RectLayer *create_rect_layer_from_line_stream(LineStream *line_stream);
void destroy_rect_layer(RectLayer *layer);
-int rect_layer_render(const RectLayer *layer, Camera *camera, float fa);
+int rect_layer_render(const RectLayer *layer, Camera *camera, int active);
int rect_layer_event(RectLayer *layer, const SDL_Event *event, const Camera *camera);
-int rect_layer_add_rect(RectLayer *layer, Rect rect, Color color);
-int rect_layer_delete_rect_at(RectLayer *layer, Vec position);
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int rect_layer_dump_stream(const RectLayer *layer, FILE *filedump);
size_t rect_layer_count(const RectLayer *layer);