diff options
| -rw-r--r-- | src/train_cmd.cpp | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/train_cmd.cpp b/src/train_cmd.cpp index e940cb22f..7a21aa82f 100644 --- a/src/train_cmd.cpp +++ b/src/train_cmd.cpp @@ -1121,6 +1121,14 @@ CommandCost CmdMoveRailVehicle(TileIndex tile, uint32 flags, uint32 p1, uint32 p if (flags & DC_EXEC) src->unitnumber = unit_num; } + /* When we move the front vehicle, the second vehicle might need a unitnumber */ + if (!HasBit(p2, 0) && (IsFreeWagon(src) || IsFrontEngine(src)) && (flags & DC_AUTOREPLACE) == 0) { + Vehicle *second = GetNextUnit(src); + if (second != NULL && IsTrainEngine(second) && GetFreeUnitNumber(VEH_TRAIN) > _settings_game.vehicle.max_trains) { + return_cmd_error(STR_00E1_TOO_MANY_VEHICLES_IN_GAME); + } + } + /* * Check whether the vehicles in the source chain are in the destination * chain. This can easily be done by checking whether the first vehicle |