void player_remove_powerups();
void check_bounds(Camera& viewport, bool back_scrolling, bool hor_autoscroll);
bool on_ground();
bool under_solid();
bool tiles_on_air(int tiles);
void grow();
void player_remove_powerups();
void check_bounds(Camera& viewport, bool back_scrolling, bool hor_autoscroll);
bool on_ground();
bool under_solid();
bool tiles_on_air(int tiles);
void grow();