# HG changeset patch
# User terkhen <terkhen@openttd.org>
# Date 1322943573 0
# Node ID 8e86f44a113062f4c3b28cd99eb17676862c82f6
# Parent  436f5b4137d4fe856c1e0e592b3aec25fcbe7fa3
(svn r23402) -Add: Function to check if a TileArea contains a tile. (michi_cc)

diff --git a/src/tilearea.cpp b/src/tilearea.cpp
--- a/src/tilearea.cpp
+++ b/src/tilearea.cpp
@@ -94,6 +94,25 @@
 }
 
 /**
+ * Does this tile area contain a tile?
+ * @param tile Tile to test for.
+ * @return True if the tile is inside the area.
+ */
+bool TileArea::Contains(TileIndex tile) const
+{
+	if (this->w == 0) return false;
+
+	assert(this->w != 0 && this->h != 0);
+
+	uint left   = TileX(this->tile);
+	uint top    = TileY(this->tile);
+	uint tile_x = TileX(tile);
+	uint tile_y = TileY(tile);
+
+	return IsInsideBS(tile_x, left, this->w) && IsInsideBS(tile_y, top, this->h);
+}
+
+/**
  * Clamp the tile area to map borders.
  */
 void TileArea::ClampToMap()
diff --git a/src/tilearea_type.h b/src/tilearea_type.h
--- a/src/tilearea_type.h
+++ b/src/tilearea_type.h
@@ -48,6 +48,8 @@
 
 	bool Intersects(const TileArea &ta) const;
 
+	bool Contains(TileIndex tile) const;
+
 	void ClampToMap();
 
 	/**