diff options
Diffstat (limited to 'src/train_cmd.cpp')
| -rw-r--r-- | src/train_cmd.cpp | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/src/train_cmd.cpp b/src/train_cmd.cpp index 327e9c01a..29b907654 100644 --- a/src/train_cmd.cpp +++ b/src/train_cmd.cpp @@ -1011,6 +1011,7 @@ static void NormaliseTrainConsist(Vehicle *v) /** Move a rail vehicle around inside the depot. * @param tile unused * @param flags type of operation + * Note: DC_AUTOREPLACE is set when autoreplace tries to undo its modifications or moves vehicles to temporary locations inside the depot. * @param p1 various bitstuffed elements * - p1 (bit 0 - 15) source vehicle index * - p1 (bit 16 - 31) what wagon to put the source wagon AFTER, XXX - INVALID_VEHICLE to make a new line @@ -1069,12 +1070,13 @@ CommandCost CmdMoveRailVehicle(TileIndex tile, uint32 flags, uint32 p1, uint32 p /* when moving all wagons, we can't have the same src_head and dst_head */ if (HasBit(p2, 0) && src_head == dst_head) return CommandCost(); - { - int max_len = _settings_game.vehicle.mammoth_trains ? 100 : 10; + /* check if all vehicles in the source train are stopped inside a depot. */ + int src_len = CheckTrainStoppedInDepot(src_head); + if (src_len < 0) return_cmd_error(STR_881A_TRAINS_CAN_ONLY_BE_ALTERED); - /* check if all vehicles in the source train are stopped inside a depot. */ - int src_len = CheckTrainStoppedInDepot(src_head); - if (src_len < 0) return_cmd_error(STR_881A_TRAINS_CAN_ONLY_BE_ALTERED); + if ((flags & DC_AUTOREPLACE) == 0) { + /* Check whether there are more than 'max_len' train units (articulated parts and rear heads do not count) in the new chain */ + int max_len = _settings_game.vehicle.mammoth_trains ? 100 : 10; /* check the destination row if the source and destination aren't the same. */ if (src_head != dst_head) { @@ -1112,7 +1114,7 @@ CommandCost CmdMoveRailVehicle(TileIndex tile, uint32 flags, uint32 p1, uint32 p /* moving a loco to a new line?, then we need to assign a unitnumber. */ if (dst == NULL && !IsFrontEngine(src) && IsTrainEngine(src)) { - UnitID unit_num = GetFreeUnitNumber(VEH_TRAIN); + UnitID unit_num = ((flags & DC_AUTOREPLACE) != 0 ? 0 : GetFreeUnitNumber(VEH_TRAIN)); if (unit_num > _settings_game.vehicle.max_trains) return_cmd_error(STR_00E1_TOO_MANY_VEHICLES_IN_GAME); @@ -1137,7 +1139,7 @@ CommandCost CmdMoveRailVehicle(TileIndex tile, uint32 flags, uint32 p1, uint32 p * one 'attaches' an already 'attached' vehicle causing more trouble * than it actually solves (infinite loops and such). */ - if (dst_head != NULL && !src_in_dst) { + if (dst_head != NULL && !src_in_dst && (flags & DC_AUTOREPLACE) == 0) { /* * When performing the 'allow wagon attach' callback, we have to check * that for each and every wagon, not only the first one. This means |