diff options
| -rw-r--r-- | src/vehicle.cpp | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/src/vehicle.cpp b/src/vehicle.cpp index d813414d4..47b8b7c5c 100644 --- a/src/vehicle.cpp +++ b/src/vehicle.cpp @@ -1825,7 +1825,14 @@ int32 CmdCloneVehicle(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) if (v->type == VEH_TRAIN && !IsFrontEngine(v)) { /* this s a train car * add this unit to the end of the train */ - DoCommand(0, (w_rear->index << 16) | w->index, 1, flags, CMD_MOVE_RAIL_VEHICLE); + int32 result = DoCommand(0, (w_rear->index << 16) | w->index, 1, flags, CMD_MOVE_RAIL_VEHICLE); + if (CmdFailed(result)) { + /* The train can't be joined to make the same consist as the original. + * Sell what we already made (clean up) and return an error. */ + DoCommand(w_front->tile, w_front->index, 1, flags, GetCmdSellVeh(w_front)); + DoCommand(w_front->tile, w->index, 1, flags, GetCmdSellVeh(w)); + return result; // return error and the message returned from CMD_MOVE_RAIL_VEHICLE + } } else { /* this is a front engine or not a train. It need orders */ w_front = w; |