ty & c_tiles_per_chunk, tz) < 31);
ty % c_tiles_per_chunk, tz) < 31);
inline bool Check_spot	(	Map_chunk::Find_spot_where where,	int tx, int ty, int tz	)	{	int cx = tx/c_tiles_per_chunk, cy = ty/c_tiles_per_chunk;	Map_chunk *chunk = 		Game_window::get_game_window()->get_chunk_safely(cx, cy);	return (where == Map_chunk::inside) == 				(chunk->is_roof(tx % c_tiles_per_chunk, 								ty & c_tiles_per_chunk, tz) < 31);	}