71 

    72 uint GetTileMaxZ(TileIndex t)

    73 {

    74 	uint max;

    75 	uint h;

    76 

    77 	h = TileHeight(t);

    78 	max = h;

    79 	h = TileHeight(t + TileDiffXY(1, 0));

    80 	if (h > max) max = h;

    81 	h = TileHeight(t + TileDiffXY(0, 1));

    82 	if (h > max) max = h;

    83 	h = TileHeight(t + TileDiffXY(1, 1));

    84 	if (h > max) max = h;

    85 	return max * 8;

    86 }