--- a/src/vehicle.h Fri Jun 01 11:41:02 2007 +0000
+++ b/src/vehicle.h Fri Jun 01 12:03:10 2007 +0000
@@ -399,6 +399,17 @@
* Play the sound associated with leaving the station
*/
virtual void PlayLeaveStationSound() const {}
+
+ /**
+ * Whether this is the primary vehicle in the chain.
+ */
+ virtual bool IsPrimaryVehicle() const { return false; }
+
+ /**
+ * Whether this vehicle understands the concept of a front engine, so
+ * basically, if GetFirstVehicleInChain() can be called for it.
+ */
+ virtual bool HasFront() const { return false; }
};
/**