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-rw-r--r--src/script/api/script_tile.cpp7
1 files changed, 4 insertions, 3 deletions
diff --git a/src/script/api/script_tile.cpp b/src/script/api/script_tile.cpp
index b14bea649..c84e8411a 100644
--- a/src/script/api/script_tile.cpp
+++ b/src/script/api/script_tile.cpp
@@ -43,10 +43,11 @@
/* static */ bool ScriptTile::IsBuildableRectangle(TileIndex tile, uint width, uint height)
{
- uint tx, ty;
+ /* Check whether we can extract valid X and Y */
+ if (!::IsValidTile(tile)) return false;
- tx = ScriptMap::GetTileX(tile);
- ty = ScriptMap::GetTileY(tile);
+ uint tx = ScriptMap::GetTileX(tile);
+ uint ty = ScriptMap::GetTileY(tile);
for (uint x = tx; x < width + tx; x++) {
for (uint y = ty; y < height + ty; y++) {