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-rw-r--r--src/tilearea_type.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/src/tilearea_type.h b/src/tilearea_type.h
index 45bfb3d4c..11094ea17 100644
--- a/src/tilearea_type.h
+++ b/src/tilearea_type.h
@@ -44,6 +44,16 @@ struct OrthogonalTileArea {
this->h = 0;
}
+ inline bool IsEmpty() const
+ {
+ return (w==0 && h==0);
+ }
+
+ inline bool IsFinite() const
+ {
+ return (w!=0 && h!=0);
+ }
+
bool Intersects(const OrthogonalTileArea &ta) const;
bool Contains(TileIndex tile) const;