diff -r 18b4de3c2074 -r 3234cb59de55 src/ai/api/ai_station.hpp
--- a/src/ai/api/ai_station.hpp	Fri Apr 25 15:34:04 2008 +0000
+++ b/src/ai/api/ai_station.hpp	Fri Apr 25 15:51:12 2008 +0000
@@ -122,6 +122,14 @@
 	 * @return The distance between station and tile.
 	 */
 	static int32 GetDistanceSquareToTile(StationID station_id, TileIndex tile);
+
+	/**
+	 * Find out if this station is within the rating influence of a town.
+	 * @param station_id The station to check.
+	 * @param town_id The town to check.
+	 * @return True if the tile is within the rating influence of the town.
+	 */
+	static bool IsWithinTownRadius(StationID station_id, TownID town_id);
 };
 
 DECLARE_ENUM_AS_BIT_SET(AIStation::StationType);