(svn r4765) Add GetTileMaxZ(), which returns the height of the highest corner of a tile, and use it to simplify the code in a few places

1 files changed, 1 insertions, 2 deletions

diff --git a/landscape.c b/landscape.c
index 53c72dfaf..cc044eab2 100644
--- a/landscape.c
+++ b/landscape.c
@@ -396,10 +396,9 @@ void InitializeLandscape(void)
 void ConvertGroundTilesIntoWaterTiles(void)
 {
 	TileIndex tile = 0;
-	uint h;
 
 	for (tile = 0; tile < MapSize(); ++tile) {
-		if (IsTileType(tile, MP_CLEAR) && GetTileSlope(tile, &h) == SLOPE_FLAT && h == 0) {
+		if (IsTileType(tile, MP_CLEAR) && GetTileMaxZ(tile) == 0) {
 			MakeWater(tile);
 		}
 	}