--- a/src/newgrf_engine.h	Wed Jun 13 11:17:30 2007 +0000
+++ b/src/newgrf_engine.h	Wed Jun 13 11:45:14 2007 +0000
@@ -14,6 +14,7 @@
 
 
 void SetWagonOverrideSprites(EngineID engine, CargoID cargo, const struct SpriteGroup *group, byte *train_id, int trains);
+const SpriteGroup *GetWagonOverrideSpriteSet(EngineID engine, CargoID cargo, byte overriding_engine);
 void SetCustomEngineSprites(EngineID engine, byte cargo, const struct SpriteGroup *group);
 void SetRotorOverrideSprites(EngineID engine, const struct SpriteGroup *group);
 SpriteID GetCustomEngineSprite(EngineID engine, const Vehicle* v, Direction direction);
@@ -38,6 +39,7 @@
 /* Handler to Evaluate callback 36. If the callback fails (i.e. most of the
  * time) orig_value is returned */
 uint GetVehicleProperty(const Vehicle *v, uint8 property, uint orig_value);
+uint GetEngineProperty(EngineID engine, uint8 property, uint orig_value);
 
 enum VehicleTrigger {
 	VEHICLE_TRIGGER_NEW_CARGO     = 1,