mirror of https://github.com/OpenTTD/OpenTTD
Fix: Prevent ships moving into docks after finishing (un)loading. (#6791)
parent
7ae1e3e1e2
commit
c2a7728084
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@ -537,6 +537,10 @@ static void ShipController(Ship *v)
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if (v->current_order.IsType(OT_LEAVESTATION)) {
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v->current_order.Free();
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SetWindowWidgetDirty(WC_VEHICLE_VIEW, v->index, WID_VV_START_STOP);
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/* Test if continuing forward would lead to a dead-end, moving into the dock. */
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DiagDirection exitdir = VehicleExitDir(v->direction, v->state);
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TileIndex tile = TileAddByDiagDir(v->tile, exitdir);
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if (TrackStatusToTrackBits(GetTileTrackStatus(tile, TRANSPORT_WATER, 0, exitdir)) == TRACK_BIT_NONE) goto reverse_direction;
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} else if (v->dest_tile != 0) {
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/* We have a target, let's see if we reached it... */
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if (v->current_order.IsType(OT_GOTO_WAYPOINT) &&
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@ -692,4 +692,25 @@ static inline bool IsUphillTrackdir(Slope slope, Trackdir dir)
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return HasBit(_uphill_trackdirs[RemoveHalftileSlope(slope)], dir);
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}
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/**
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* Determine the side in which the vehicle will leave the tile
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*
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* @param direction vehicle direction
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* @param track vehicle track bits
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* @return side of tile the vehicle will leave
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*/
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static inline DiagDirection VehicleExitDir(Direction direction, TrackBits track)
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{
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static const TrackBits state_dir_table[DIAGDIR_END] = { TRACK_BIT_RIGHT, TRACK_BIT_LOWER, TRACK_BIT_LEFT, TRACK_BIT_UPPER };
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DiagDirection diagdir = DirToDiagDir(direction);
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/* Determine the diagonal direction in which we will exit this tile */
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if (!HasBit(direction, 0) && track != state_dir_table[diagdir]) {
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diagdir = ChangeDiagDir(diagdir, DIAGDIRDIFF_90LEFT);
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}
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return diagdir;
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}
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#endif /* TRACK_FUNC_H */
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@ -57,27 +57,6 @@ bool IsValidImageIndex<VEH_TRAIN>(uint8 image_index)
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return image_index < lengthof(_engine_sprite_base);
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}
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/**
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* Determine the side in which the train will leave the tile
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*
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* @param direction vehicle direction
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* @param track vehicle track bits
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* @return side of tile the train will leave
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*/
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static inline DiagDirection TrainExitDir(Direction direction, TrackBits track)
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{
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static const TrackBits state_dir_table[DIAGDIR_END] = { TRACK_BIT_RIGHT, TRACK_BIT_LOWER, TRACK_BIT_LEFT, TRACK_BIT_UPPER };
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DiagDirection diagdir = DirToDiagDir(direction);
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/* Determine the diagonal direction in which we will exit this tile */
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if (!HasBit(direction, 0) && track != state_dir_table[diagdir]) {
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diagdir = ChangeDiagDir(diagdir, DIAGDIRDIFF_90LEFT);
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}
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return diagdir;
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}
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/**
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* Return the cargo weight multiplier to use for a rail vehicle
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@ -1872,9 +1851,9 @@ void ReverseTrainDirection(Train *v)
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return;
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}
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/* TrainExitDir does not always produce the desired dir for depots and
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/* VehicleExitDir does not always produce the desired dir for depots and
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* tunnels/bridges that is needed for UpdateSignalsOnSegment. */
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DiagDirection dir = TrainExitDir(v->direction, v->track);
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DiagDirection dir = VehicleExitDir(v->direction, v->track);
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if (IsRailDepotTile(v->tile) || IsTileType(v->tile, MP_TUNNELBRIDGE)) dir = INVALID_DIAGDIR;
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if (UpdateSignalsOnSegment(v->tile, dir, v->owner) == SIGSEG_PBS || _settings_game.pf.reserve_paths) {
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@ -3098,7 +3077,7 @@ static Vehicle *CheckTrainAtSignal(Vehicle *v, void *data)
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/* not front engine of a train, inside wormhole or depot, crashed */
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if (!t->IsFrontEngine() || !(t->track & TRACK_BIT_MASK)) return NULL;
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if (t->cur_speed > 5 || TrainExitDir(t->direction, t->track) != exitdir) return NULL;
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if (t->cur_speed > 5 || VehicleExitDir(t->direction, t->track) != exitdir) return NULL;
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return t;
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}
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@ -3681,7 +3660,7 @@ static TileIndex TrainApproachingCrossingTile(const Train *v)
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if (!TrainCanLeaveTile(v)) return INVALID_TILE;
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DiagDirection dir = TrainExitDir(v->direction, v->track);
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DiagDirection dir = VehicleExitDir(v->direction, v->track);
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TileIndex tile = v->tile + TileOffsByDiagDir(dir);
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/* not a crossing || wrong axis || unusable rail (wrong type or owner) */
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@ -3718,7 +3697,7 @@ static bool TrainCheckIfLineEnds(Train *v, bool reverse)
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if (!TrainCanLeaveTile(v)) return true;
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/* Determine the non-diagonal direction in which we will exit this tile */
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DiagDirection dir = TrainExitDir(v->direction, v->track);
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DiagDirection dir = VehicleExitDir(v->direction, v->track);
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/* Calculate next tile */
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TileIndex tile = v->tile + TileOffsByDiagDir(dir);
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@ -3786,7 +3765,7 @@ static bool TrainLocoHandler(Train *v, bool mode)
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/* Try to reserve a path when leaving the station as we
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* might not be marked as wanting a reservation, e.g.
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* when an overlength train gets turned around in a station. */
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DiagDirection dir = TrainExitDir(v->direction, v->track);
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DiagDirection dir = VehicleExitDir(v->direction, v->track);
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if (IsRailDepotTile(v->tile) || IsTileType(v->tile, MP_TUNNELBRIDGE)) dir = INVALID_DIAGDIR;
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if (UpdateSignalsOnSegment(v->tile, dir, v->owner) == SIGSEG_PBS || _settings_game.pf.reserve_paths) {
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