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-rw-r--r--src/vehicle.cpp20
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);