diff options
Diffstat (limited to 'src/pathfinder/npf/npf.cpp')
| -rw-r--r-- | src/pathfinder/npf/npf.cpp | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/src/pathfinder/npf/npf.cpp b/src/pathfinder/npf/npf.cpp index 976767319..1b8d2f17f 100644 --- a/src/pathfinder/npf/npf.cpp +++ b/src/pathfinder/npf/npf.cpp @@ -1178,6 +1178,23 @@ Track NPFShipChooseTrack(const Ship *v, TileIndex tile, DiagDirection enterdir, return TrackdirToTrack(ftd.best_trackdir); } +bool NPFShipCheckReverse(const Ship *v) +{ + NPFFindStationOrTileData fstd; + NPFFoundTargetData ftd; + + NPFFillWithOrderData(&fstd, v); + + Trackdir trackdir = v->GetVehicleTrackdir(); + Trackdir trackdir_rev = ReverseTrackdir(trackdir); + assert(trackdir != INVALID_TRACKDIR); + assert(trackdir_rev != INVALID_TRACKDIR); + + ftd = NPFRouteToStationOrTileTwoWay(v->tile, trackdir, false, v->tile, trackdir_rev, false, &fstd, TRANSPORT_WATER, 0, v->owner, INVALID_RAILTYPES); + /* If we didn't find anything, just keep on going straight ahead, otherwise take the reverse flag */ + return ftd.best_bird_dist == 0 && NPFGetFlag(&ftd.node, NPF_FLAG_REVERSE); +} + /*** Trains ***/ FindDepotData NPFTrainFindNearestDepot(const Train *v, int max_penalty) |