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| -rw-r--r-- | train_cmd.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/train_cmd.c b/train_cmd.c index 045b7d478..309ddc128 100644 --- a/train_cmd.c +++ b/train_cmd.c @@ -93,6 +93,9 @@ void TrainConsistChanged(Vehicle* v) const RailVehicleInfo *rvi_u = RailVehInfo(u->engine_type); uint16 veh_len; + // Update the v->first cache. This is faster than having to brute force it later. + if (u->first == NULL) u->first = v; + // update the 'first engine' u->u.rail.first_engine = (v == u) ? INVALID_VEHICLE : first_engine; |