1 files changed, 1 insertions, 0 deletions
diff --git a/tile.h b/tile.h
index af6c0e1f1..e3a0d45d6 100644
--- a/tile.h
+++ b/tile.h
@@ -24,6 +24,7 @@ typedef enum TileTypes {
 void SetMapExtraBits(TileIndex tile, byte flags);
 uint GetMapExtraBits(TileIndex tile);
 
+uint GetTileh(uint n, uint w, uint e, uint s, uint *h);
 uint GetTileSlope(TileIndex tile, uint *h);
 uint GetTileZ(TileIndex tile);