#include "player.h"
#include "level.h"
#include "camera.h"
#include "input.h"

int play_level(int level_id);
/* callback used for FPS control */
int callback(volatile void *arg);
void step_event(Player *player, Level *level, Camera *camera, Input *input);
void draw_event(Player *player, Level *level, Camera *camera, Input *input);