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| author | Loïc Guilloux <glx22@users.noreply.github.com> | 2021-11-06 17:32:37 +0100 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2021-11-06 17:32:37 +0100 |
| commit | 6ff0858b38cac1fa734081adef1ae6d6b6297a13 (patch) | |
| tree | 0313e51f60b3412127718e146f05aaf9dd55743c | |
| parent | 33ef34189e25779c222efa068313c6df5ea532ed (diff) | |
| download | openttd-6ff0858b38cac1fa734081adef1ae6d6b6297a13.tar.xz | |
Fix #9669, cbe00ec: Only try valid reverse directions (#9672)
| -rw-r--r-- | src/pathfinder/npf/npf.cpp | 7 | ||||
| -rw-r--r-- | src/pathfinder/yapf/yapf_ship.cpp | 8 |
2 files changed, 12 insertions, 3 deletions
diff --git a/src/pathfinder/npf/npf.cpp b/src/pathfinder/npf/npf.cpp index f7cb1a5cd..25681507c 100644 --- a/src/pathfinder/npf/npf.cpp +++ b/src/pathfinder/npf/npf.cpp @@ -1225,9 +1225,12 @@ bool NPFShipCheckReverse(const Ship *v, Trackdir *best_td) AyStarUserData user = { v->owner, TRANSPORT_WATER, RAILTYPES_NONE, ROADTYPES_NONE, 0 }; if (best_td != nullptr) { - TrackdirBits rtds = DiagdirReachesTrackdirs(ReverseDiagDir(VehicleExitDir(v->direction, v->state))); + DiagDirection entry = ReverseDiagDir(VehicleExitDir(v->direction, v->state)); + TrackdirBits rtds = DiagdirReachesTrackdirs(entry) & TrackStatusToTrackdirBits(GetTileTrackStatus(v->tile, TRANSPORT_WATER, 0, entry)); Trackdir best = (Trackdir)FindFirstBit2x64(rtds); - for (rtds = KillFirstBit(rtds); rtds != TRACKDIR_BIT_NONE; rtds = KillFirstBit(rtds)) { + rtds = KillFirstBit(rtds); + if (rtds == TRACKDIR_BIT_NONE) return false; /* At most one choice. */ + for (; rtds != TRACKDIR_BIT_NONE; rtds = KillFirstBit(rtds)) { Trackdir td = (Trackdir)FindFirstBit2x64(rtds); ftd = NPFRouteToStationOrTileTwoWay(v->tile, best, false, v->tile, td, false, &fstd, &user); if (ftd.best_bird_dist == 0 && NPFGetFlag(&ftd.node, NPF_FLAG_REVERSE)) best = td; diff --git a/src/pathfinder/yapf/yapf_ship.cpp b/src/pathfinder/yapf/yapf_ship.cpp index 25a63ec66..947de5a76 100644 --- a/src/pathfinder/yapf/yapf_ship.cpp +++ b/src/pathfinder/yapf/yapf_ship.cpp @@ -212,7 +212,13 @@ public: /* create pathfinder instance */ Tpf pf; /* set origin and destination nodes */ - pf.SetOrigin(tile, trackdir == nullptr ? TrackdirToTrackdirBits(td1) | TrackdirToTrackdirBits(td2) : DiagdirReachesTrackdirs(ReverseDiagDir(VehicleExitDir(v->direction, v->state)))); + if (trackdir == nullptr) { + pf.SetOrigin(tile, TrackdirToTrackdirBits(td1) | TrackdirToTrackdirBits(td2)); + } else { + DiagDirection entry = ReverseDiagDir(VehicleExitDir(v->direction, v->state)); + TrackdirBits rtds = DiagdirReachesTrackdirs(entry) & TrackStatusToTrackdirBits(GetTileTrackStatus(tile, TRANSPORT_WATER, 0, entry)); + pf.SetOrigin(tile, rtds); + } pf.SetDestination(v); /* find best path */ if (!pf.FindPath(v)) return false; |