X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Flibmarklin%2Fvehicle.cpp;h=8761bb6f9f80bfc9a906da113ac3c7ff38adf8d7;hb=59e4c75da550e96ae74162a5ed70e8b1999721d8;hp=d81848076c5984a26928873a49b13023785817d1;hpb=d01230572abde870055844b6efaa777a2ba93226;p=r2c2.git

diff --git a/source/libmarklin/vehicle.cpp b/source/libmarklin/vehicle.cpp
index d818480..8761bb6 100644
--- a/source/libmarklin/vehicle.cpp
+++ b/source/libmarklin/vehicle.cpp
@@ -48,6 +48,9 @@ void Vehicle::attach_back(Vehicle &veh)
 
 	next = &veh;
 	veh.prev = this;
+
+	if(track_pos.track)
+		propagate_backward();
 }
 
 void Vehicle::attach_front(Vehicle &veh)
@@ -55,8 +58,11 @@ void Vehicle::attach_front(Vehicle &veh)
 	if(prev || veh.next)
 		throw InvalidState("Already attached");
 
-	next = &veh;
-	veh.prev = this;
+	prev = &veh;
+	veh.next = this;
+
+	if(prev->get_track())
+		prev->propagate_backward();
 }
 
 void Vehicle::detach_back()