Container_game_object(int shapenum, int framenum, unsigned int tilex, unsigned int tiley, unsigned int lft = 0) : Ireg_game_object(shapenum, framenum, tilex, tiley, lft),
Container_game_object(unsigned char l, unsigned char h, unsigned int shapex, unsigned int shapey, unsigned int lft = 0) : Ireg_game_object(l, h, shapex, shapey, lft),
	Container_game_object(int shapenum, int framenum, unsigned int tilex, 				unsigned int tiley, unsigned int lft = 0)		: Ireg_game_object(shapenum, framenum, tilex, tiley, lft),		  volume_used(0), last_object(0)		{  }