diff options
Diffstat (limited to 'src/map_func.h')
| -rw-r--r-- | src/map_func.h | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/src/map_func.h b/src/map_func.h index 537b1f9a7..1deafc00c 100644 --- a/src/map_func.h +++ b/src/map_func.h @@ -297,10 +297,9 @@ static inline TileIndex AddTileIndexDiffCWrap(TileIndex tile, TileIndexDiffC dif { int x = TileX(tile) + diff.x; int y = TileY(tile) + diff.y; - if (x < 0 || y < 0 || x > (int)MapMaxX() || y > (int)MapMaxY()) - return INVALID_TILE; - else - return TileXY(x, y); + /* Negative value will become big positive value after cast */ + if ((uint)x >= MapSizeX() || (uint)y >= MapSizeY()) return INVALID_TILE; + return TileXY(x, y); } /** |