(svn r8110) -Codechange: direct Vehicle::current_order.type changes (to OT_LOADING and OT_LEAVESTATION) replaced by v->BeginLoading() and v->LeaveStation() calls. This should allow easy hooking of those state transitions in order to maintain vehicle loading queue.

src/vehicle.h

@@ -251,6 +251,9 @@ struct Vehicle {
 		VehicleDisaster disaster;
 		VehicleShip ship;
 	} u;
+
+	void BeginLoading();
+	void LeaveStation();
 };
 
 #define is_custom_sprite(x) (x >= 0xFD)