Tile_coord dest
Tile_coord dest, int src_tz
static Tile_coord Find_unblocked	(	Tile_coord dest			// Where to go.	)	{	Tile_coord start = dest;	dest.tx = -1;			// Look outwards.	for (int i = 0; dest.tx == -1 && i < 3; i++)		dest = Game_object::find_unblocked_tile(start, i);	if (dest.tx == -1)		return start;	else		return dest;	}