diff options
Diffstat (limited to 'src/vehicle.cpp')
| -rw-r--r-- | src/vehicle.cpp | 20 |
1 files changed, 7 insertions, 13 deletions
diff --git a/src/vehicle.cpp b/src/vehicle.cpp index 1b1db2197..870a291f2 100644 --- a/src/vehicle.cpp +++ b/src/vehicle.cpp @@ -1807,9 +1807,10 @@ int32 CmdCloneVehicle(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) w_front = NULL; w_rear = NULL; + /* * v_front is the front engine in the original vehicle - * v is the car/vehicle of the original vehicle that is currently being copied + * v is the car/vehicle of the original vehicle, that is currently being copied * w_front is the front engine of the cloned vehicle * w is the car/vehicle currently being cloned * w_rear is the rear end of the cloned train. It's used to add more cars and is only used by trains @@ -1854,18 +1855,11 @@ int32 CmdCloneVehicle(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) Vehicle *v2 = v; do { if (v2->cargo_type != w2->cargo_type || v2->cargo_subtype != w2->cargo_subtype) { - /* We need to check the whole chain if it is a train - * because some newgrf articulated engines can refit some - * units only (and not the front). */ - cost = DoCommand(0, w->index, v2->cargo_type | (v2->cargo_subtype << 8), flags, GetCmdRefitVeh(v)); - if (CmdFailed(cost)) return cost; - - total_cost += cost; - - /* The refit command will refit all the remaining - * articulated parts if possible, so we don't need to - * carry on checking. */ - break; + /* We can't pay for refitting because we can't estimate refitting costs for a vehicle before it's build. + * If we pay for it anyway, the cost and the estimated cost will not be the same and we will have an assert. + * We need to check the whole chain if it is a train because some newgrf articulated engines can refit some units only (and not the front) */ + DoCommand(0, w->index, v2->cargo_type | (v2->cargo_subtype << 8), flags, GetCmdRefitVeh(v)); + break; // We learned that the engine in question needed a refit. No need to check anymore } } while (v->type == VEH_TRAIN && (w2 = w2->next) != NULL && (v2 = v2->next) != NULL); |