(svn r12495) -Codechange: reduce the dependency on newgrf_station.h (especially because newgrf_station.h includes a lot of stuff).

src/station_func.h

@@ -7,6 +7,7 @@
 
 #include "station_type.h"
 #include "sprite.h"
+#include "rail_type.h"
 #include "road_type.h"
 #include "tile_type.h"
 #include "cargo_type.h"
@@ -40,4 +41,11 @@ void ClearSlot(Vehicle *v);
 
 void DeleteOilRig(TileIndex t);
 
+/* Check if a rail station tile is traversable. */
+bool IsStationTileBlocked(TileIndex tile);
+
+/* Check if a rail station tile is electrifiable. */
+bool IsStationTileElectrifiable(TileIndex tile);
+
+
 #endif /* STATION_FUNC_H */