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-rw-r--r--src/pbs.cpp119
-rw-r--r--src/pbs.h15
-rw-r--r--src/rail_map.h15
-rw-r--r--src/yapf/yapf.h5
-rw-r--r--src/yapf/yapf_node_rail.hpp31
-rw-r--r--src/yapf/yapf_rail.cpp149
6 files changed, 317 insertions, 17 deletions
diff --git a/src/pbs.cpp b/src/pbs.cpp
index 631f05c70..71a9689a0 100644
--- a/src/pbs.cpp
+++ b/src/pbs.cpp
@@ -12,6 +12,9 @@
#include "debug.h"
#include "direction_func.h"
#include "settings_type.h"
+#include "road_func.h"
+#include "vehicle_base.h"
+#include "yapf/follow_track.hpp"
/**
* Get the reserved trackbits for any tile, regardless of type.
@@ -155,3 +158,119 @@ bool TryReserveRailTrack(TileIndex tile, Track t)
break;
}
}
+
+/**
+ * Follow a train reservation to the last tile.
+ *
+ * @param v the vehicle
+ * @returns The last tile of the reservation or the current train tile if no reservation present.
+ */
+PBSTileInfo FollowTrainReservation(const Vehicle *v)
+{
+ assert(v->type == VEH_TRAIN);
+
+ TileIndex tile = v->tile;
+ Trackdir trackdir = GetVehicleTrackdir(v);
+
+ if (IsRailDepotTile(tile) && !GetRailDepotReservation(tile)) return PBSTileInfo(tile, trackdir, false);
+
+ /* Do not disallow 90 deg turns as the setting might have changed between reserving and now. */
+ CFollowTrackRail ft(v, GetRailTypeInfo(v->u.rail.railtype)->compatible_railtypes);
+ while (ft.Follow(tile, trackdir)) {
+ TrackdirBits reserved = (TrackdirBits)(ft.m_new_td_bits & (GetReservedTrackbits(ft.m_new_tile) * 0x101));
+
+ /* No reservation --> path end found */
+ if (reserved == TRACKDIR_BIT_NONE) break;
+
+ /* Can't have more than one reserved trackdir */
+ Trackdir new_trackdir = FindFirstTrackdir(reserved);
+
+ /* One-way signal against us. The reservation can't be ours as it is not
+ * a safe position from our direction and we can never pass the signal. */
+ if (HasOnewaySignalBlockingTrackdir(ft.m_new_tile, new_trackdir)) break;
+
+ tile = ft.m_new_tile;
+ trackdir = new_trackdir;
+
+ /* Depot tile? Can't continue. */
+ if (IsRailDepotTile(tile)) break;
+ /* Non-pbs signal? Reservation can't continue. */
+ if (IsTileType(tile, MP_RAILWAY) && HasSignalOnTrackdir(tile, trackdir) && !IsPbsSignal(GetSignalType(tile, TrackdirToTrack(trackdir)))) break;
+ }
+
+ return PBSTileInfo(tile, trackdir, IsSafeWaitingPosition(v, tile, trackdir, true, _settings_game.pf.forbid_90_deg));
+}
+
+/**
+ * Determine whether a certain track on a tile is a safe position to end a path.
+ *
+ * @param v the vehicle to test for
+ * @param tile The tile
+ * @param trackdir The trackdir to test
+ * @param include_line_end Should end-of-line tiles be considered safe?
+ * @param forbid_90def Don't allow trains to make 90 degree turns
+ * @return True if it is a safe position
+ */
+bool IsSafeWaitingPosition(const Vehicle *v, TileIndex tile, Trackdir trackdir, bool include_line_end, bool forbid_90deg)
+{
+ if (IsRailDepotTile(tile)) return true;
+
+ if (IsTileType(tile, MP_RAILWAY)) {
+ /* For non-pbs signals, stop on the signal tile. */
+ if (HasSignalOnTrackdir(tile, trackdir) && !IsPbsSignal(GetSignalType(tile, TrackdirToTrack(trackdir)))) return true;
+ }
+
+ /* Check next tile. For perfomance reasons, we check for 90 degree turns ourself. */
+ CFollowTrackRail ft(v, GetRailTypeInfo(v->u.rail.railtype)->compatible_railtypes);
+
+ /* End of track? */
+ if (!ft.Follow(tile, trackdir)) {
+ /* Last tile of a terminus station is a safe position. */
+ if (include_line_end) return true;
+ }
+
+ /* Check for reachable tracks. */
+ ft.m_new_td_bits &= DiagdirReachesTrackdirs(ft.m_exitdir);
+ if (ft.m_new_td_bits == TRACKDIR_BIT_NONE) return include_line_end;
+ if (forbid_90deg) ft.m_new_td_bits &= ~TrackdirCrossesTrackdirs(trackdir);
+
+ if (ft.m_new_td_bits != TRACKDIR_BIT_NONE && KillFirstBit(ft.m_new_td_bits) == TRACKDIR_BIT_NONE) {
+ /* PBS signal on next trackdir? Safe position. */
+ if (HasPbsSignalOnTrackdir(ft.m_new_tile, FindFirstTrackdir(ft.m_new_td_bits))) return true;
+ }
+
+ return false;
+}
+
+/**
+ * Check if a safe position is free.
+ *
+ * @param v the vehicle to test for
+ * @param tile The tile
+ * @param trackdir The trackdir to test
+ * @param forbid_90def Don't allow trains to make 90 degree turns
+ * @return True if the position is free
+ */
+bool IsWaitingPositionFree(const Vehicle *v, TileIndex tile, Trackdir trackdir, bool forbid_90deg)
+{
+ Track track = TrackdirToTrack(trackdir);
+ TrackBits reserved = GetReservedTrackbits(tile);
+
+ /* Tile reserved? Can never be a free waiting position. */
+ if (TrackOverlapsTracks(reserved, track)) return false;
+
+ /* Not reserved and depot or not a pbs signal -> free. */
+ if (IsRailDepotTile(tile)) return true;
+ if (IsTileType(tile, MP_RAILWAY) && HasSignalOnTrackdir(tile, trackdir) && !IsPbsSignal(GetSignalType(tile, track))) return true;
+
+ /* Check the next tile, if it's a PBS signal, it has to be free as well. */
+ CFollowTrackRail ft(v, GetRailTypeInfo(v->u.rail.railtype)->compatible_railtypes);
+
+ if (!ft.Follow(tile, trackdir)) return true;
+
+ /* Check for reachable tracks. */
+ ft.m_new_td_bits &= DiagdirReachesTrackdirs(ft.m_exitdir);
+ if (forbid_90deg) ft.m_new_td_bits &= ~TrackdirCrossesTrackdirs(trackdir);
+
+ return !HasReservedTracks(ft.m_new_tile, TrackdirBitsToTrackBits(ft.m_new_td_bits));
+}
diff --git a/src/pbs.h b/src/pbs.h
index 4103f1ebf..d4b87b8e6 100644
--- a/src/pbs.h
+++ b/src/pbs.h
@@ -8,6 +8,7 @@
#include "tile_type.h"
#include "direction_type.h"
#include "track_type.h"
+#include "vehicle_type.h"
TrackBits GetReservedTrackbits(TileIndex t);
@@ -16,6 +17,20 @@ void SetRailwayStationPlatformReservation(TileIndex start, DiagDirection dir, bo
bool TryReserveRailTrack(TileIndex tile, Track t);
void UnreserveRailTrack(TileIndex tile, Track t);
+/** This struct contains information about the end of a reserved path. */
+struct PBSTileInfo {
+ TileIndex tile; ///< Tile the path ends, INVALID_TILE if no valid path was found.
+ Trackdir trackdir; ///< The reserved trackdir on the tile.
+ bool okay; ///< True if tile is a safe wairing position, false otherwise.
+
+ PBSTileInfo() : tile(INVALID_TILE), trackdir(INVALID_TRACKDIR), okay(false) {}
+ PBSTileInfo(TileIndex _t, Trackdir _td, bool _okay) : tile(_t), trackdir(_td), okay(_okay) {}
+};
+
+PBSTileInfo FollowTrainReservation(const Vehicle *v);
+bool IsSafeWaitingPosition(const Vehicle *v, TileIndex tile, Trackdir trackdir, bool include_line_end, bool forbid_90deg = false);
+bool IsWaitingPositionFree(const Vehicle *v, TileIndex tile, Trackdir trackdir, bool forbid_90deg = false);
+
/**
* Check whether some of tracks is reserved on a tile.
*
diff --git a/src/rail_map.h b/src/rail_map.h
index 805915718..0937da730 100644
--- a/src/rail_map.h
+++ b/src/rail_map.h
@@ -534,6 +534,21 @@ static inline bool HasPbsSignalOnTrackdir(TileIndex tile, Trackdir td)
IsPbsSignal(GetSignalType(tile, TrackdirToTrack(td)));
}
+/**
+ * Is a one-way signal blocking the trackdir? A one-way signal on the
+ * trackdir against will block, but signals on both trackdirs won't.
+ * @param tile the tile to check
+ * @param td the trackdir to check
+ */
+static inline bool HasOnewaySignalBlockingTrackdir(TileIndex tile, Trackdir td)
+{
+ return
+ IsTileType(tile, MP_RAILWAY) &&
+ HasSignalOnTrackdir(tile, ReverseTrackdir(td)) &&
+ !HasSignalOnTrackdir(tile, td) &&
+ IsOnewaySignal(tile, TrackdirToTrack(td));
+}
+
/**
* Return the rail type of tile, or INVALID_RAILTYPE if this is no rail tile.
diff --git a/src/yapf/yapf.h b/src/yapf/yapf.h
index ca400a754..fb39854b2 100644
--- a/src/yapf/yapf.h
+++ b/src/yapf/yapf.h
@@ -8,6 +8,7 @@
#include "../debug.h"
#include "../depot_type.h"
#include "../direction_type.h"
+#include "../pbs.h"
/** Finds the best path for given ship.
* @param v the ship that needs to find a path
@@ -32,9 +33,11 @@ Trackdir YapfChooseRoadTrack(const Vehicle *v, TileIndex tile, DiagDirection ent
* @param enterdir diagonal direction which the RV will enter this new tile from
* @param tracks available trackdirs on the new tile (to choose from)
* @param path_not_found [out] true is returned if no path can be found (returned Trackdir is only a 'guess')
+ * @param reserve_track indicates whether YAPF should try to reserve the found path
+ * @param target [out] the target tile of the reservation, free is set to true if path was reserved
* @return the best trackdir for next turn or INVALID_TRACKDIR if the path could not be found
*/
-Trackdir YapfChooseRailTrack(const Vehicle *v, TileIndex tile, DiagDirection enterdir, TrackBits tracks, bool *path_not_found);
+Trackdir YapfChooseRailTrack(const Vehicle *v, TileIndex tile, DiagDirection enterdir, TrackBits tracks, bool *path_not_found, bool reserve_track, PBSTileInfo *target);
/** Used by RV multistop feature to find the nearest road stop that has a free slot.
* @param v RV (its current tile will be the origin)
diff --git a/src/yapf/yapf_node_rail.hpp b/src/yapf/yapf_node_rail.hpp
index 9745ff38d..6b42d30cf 100644
--- a/src/yapf/yapf_node_rail.hpp
+++ b/src/yapf/yapf_node_rail.hpp
@@ -177,6 +177,37 @@ struct CYapfRailNodeT
FORCEINLINE Trackdir GetLastTrackdir() const {assert(m_segment != NULL); return m_segment->m_last_td;}
FORCEINLINE void SetLastTileTrackdir(TileIndex tile, Trackdir td) {assert(m_segment != NULL); m_segment->m_last_tile = tile; m_segment->m_last_td = td;}
+ template <class Tbase, class Tfunc, class Tpf>
+ bool IterateTiles(const Vehicle *v, Tpf &yapf, Tbase &obj, bool (Tfunc::*func)(TileIndex, Trackdir)) const
+ {
+ typename Tbase::TrackFollower ft(v, yapf.GetCompatibleRailTypes());
+ TileIndex cur = base::GetTile();
+ Trackdir cur_td = base::GetTrackdir();
+
+ while (cur != GetLastTile() || cur_td != GetLastTrackdir()) {
+ if (!((obj.*func)(cur, cur_td))) return false;
+
+ ft.Follow(cur, cur_td);
+ cur = ft.m_new_tile;
+ assert(KillFirstBit(ft.m_new_td_bits) == TRACKDIR_BIT_NONE);
+ cur_td = FindFirstTrackdir(ft.m_new_td_bits);
+
+ /* Did we skip tiles because of a station? */
+ if (ft.m_is_station && ft.m_tiles_skipped > 0) {
+ TileIndexDiff diff = TileOffsByDiagDir(TrackdirToExitdir(cur_td));
+ TileIndex tile = TILE_ADD(cur, -diff * ft.m_tiles_skipped);
+
+ /* Call func for all tiles in between. */
+ for (int i = 0; i < ft.m_tiles_skipped; ++i) {
+ if (!(obj.*func)(tile, cur_td)) return false;
+ tile = TILE_ADD(tile, diff);
+ }
+ }
+ }
+
+ return (obj.*func)(cur, cur_td);
+ }
+
void Dump(DumpTarget &dmp) const
{
base::Dump(dmp);
diff --git a/src/yapf/yapf_rail.cpp b/src/yapf/yapf_rail.cpp
index 7d7d4ee38..f49d543b9 100644
--- a/src/yapf/yapf_rail.cpp
+++ b/src/yapf/yapf_rail.cpp
@@ -9,6 +9,7 @@
#include "yapf_costrail.hpp"
#include "yapf_destrail.hpp"
#include "../vehicle_func.h"
+#include "../pbs.h"
#define DEBUG_YAPF_CACHE 0
@@ -16,7 +17,115 @@ int _total_pf_time_us = 0;
+template <class Types>
+class CYapfReserveTrack
+{
+public:
+ typedef typename Types::Tpf Tpf; ///< the pathfinder class (derived from THIS class)
+ typedef typename Types::TrackFollower TrackFollower;
+ typedef typename Types::NodeList::Titem Node; ///< this will be our node type
+
+protected:
+ /// to access inherited pathfinder
+ FORCEINLINE Tpf& Yapf() {return *static_cast<Tpf*>(this);}
+
+private:
+ TileIndex m_res_dest; ///< The reservation target tile
+ Trackdir m_res_dest_td; ///< The reservation target trackdir
+ Node *m_res_node; ///< The reservation target node
+ TileIndex m_res_fail_tile; ///< The tile where the reservation failed
+ Trackdir m_res_fail_td; ///< The trackdir where the reservation failed
+
+ bool FindSafePositionProc(TileIndex tile, Trackdir td)
+ {
+ if (IsSafeWaitingPosition(Yapf().GetVehicle(), tile, td, true, !TrackFollower::Allow90degTurns())) {
+ m_res_dest = tile;
+ m_res_dest_td = td;
+ return false; // Stop iterating segment
+ }
+ return true;
+ }
+
+ bool ReserveSingleTrack(TileIndex tile, Trackdir td)
+ {
+ if (!TryReserveRailTrack(tile, TrackdirToTrack(td))) {
+ /* Tile couldn't be reserved, undo. */
+ m_res_fail_tile = tile;
+ m_res_fail_td = td;
+ return false;
+ }
+ /* YAPF can sometimes skip parts of a station, so make sure we
+ * always reserve the whole platform. */
+ if (IsRailwayStationTile(tile)) SetRailwayStationPlatformReservation(tile, TrackdirToExitdir(ReverseTrackdir(td)), true);
+ return tile != m_res_dest;
+ }
+
+ bool UnreserveSingleTrack(TileIndex tile, Trackdir td)
+ {
+ if (tile != m_res_fail_tile || td != m_res_fail_td) UnreserveRailTrack(tile, TrackdirToTrack(td));
+ return tile != m_res_dest && (tile != m_res_fail_tile || td != m_res_fail_td);
+ }
+
+public:
+ /** Set the target to where the reservation should be extended. */
+ inline void SetReservationTarget(Node *node, TileIndex tile, Trackdir td)
+ {
+ m_res_node = node;
+ m_res_dest = tile;
+ m_res_dest_td = td;
+ }
+ /** Check the node for a possible reservation target. */
+ inline void FindSafePositionOnNode(Node *node)
+ {
+ assert(node->m_parent != NULL);
+
+ /* We will never pass more than two signals, no need to check for a safe tile. */
+ if (node->m_parent->m_num_signals_passed >= 2) return;
+
+ if (!node->IterateTiles(Yapf().GetVehicle(), Yapf(), *this, &CYapfReserveTrack<Types>::FindSafePositionProc)) {
+ m_res_node = node;
+ }
+ }
+
+ /** Try to reserve the path till the reservation target. */
+ bool TryReservePath(PBSTileInfo *target)
+ {
+ m_res_fail_tile = INVALID_TILE;
+
+ if (target != NULL) {
+ target->tile = m_res_dest;
+ target->trackdir = m_res_dest_td;
+ target->okay = false;
+ }
+
+ /* Don't bother if the target is reserved. */
+ if (!IsWaitingPositionFree(Yapf().GetVehicle(), m_res_dest, m_res_dest_td)) return false;
+
+ for (Node *node = m_res_node; node->m_parent != NULL; node = node->m_parent) {
+ node->IterateTiles(Yapf().GetVehicle(), Yapf(), *this, &CYapfReserveTrack<Types>::ReserveSingleTrack);
+ if (m_res_fail_tile != INVALID_TILE) {
+ /* Reservation failed, undo. */
+ Node *fail_node = m_res_node;
+ TileIndex stop_tile = m_res_fail_tile;
+ do {
+ /* If this is the node that failed, stop at the failed tile. */
+ m_res_fail_tile = fail_node == node ? stop_tile : INVALID_TILE;
+ fail_node->IterateTiles(Yapf().GetVehicle(), Yapf(), *this, &CYapfReserveTrack<Types>::UnreserveSingleTrack);
+ } while (fail_node != node && (fail_node = fail_node->m_parent) != NULL);
+
+ return false;
+ }
+ }
+
+ if (target != NULL) target->okay = true;
+
+ if (Yapf().CanUseGlobalCache(*m_res_node))
+ YapfNotifyTrackLayoutChange(INVALID_TILE, INVALID_TRACK);
+
+ return true;
+ }
+};
template <class Types>
class CYapfFollowAnyDepotRailT
@@ -95,7 +204,7 @@ public:
};
template <class Types>
-class CYapfFollowRailT
+class CYapfFollowRailT : protected CYapfReserveTrack<Types>
{
public:
typedef typename Types::Tpf Tpf; ///< the pathfinder class (derived from THIS class)
@@ -121,16 +230,18 @@ public:
/// return debug report character to identify the transportation type
FORCEINLINE char TransportTypeChar() const {return 't';}
- static Trackdir stChooseRailTrack(const Vehicle *v, TileIndex tile, DiagDirection enterdir, TrackBits tracks, bool *path_not_found)
+ static Trackdir stChooseRailTrack(const Vehicle *v, TileIndex tile, DiagDirection enterdir, TrackBits tracks, bool *path_not_found, bool reserve_track, PBSTileInfo *target)
{
// create pathfinder instance
Tpf pf1;
- Trackdir result1 = pf1.ChooseRailTrack(v, tile, enterdir, tracks, path_not_found);
+#if !DEBUG_YAPF_CACHE
+ Trackdir result1 = pf1.ChooseRailTrack(v, tile, enterdir, tracks, path_not_found, reserve_track, target);
-#if DEBUG_YAPF_CACHE
+#else
+ Trackdir result1 = pf1.ChooseRailTrack(v, tile, enterdir, tracks, path_not_found, false, NULL);
Tpf pf2;
pf2.DisableCache(true);
- Trackdir result2 = pf2.ChooseRailTrack(v, tile, enterdir, tracks, path_not_found);
+ Trackdir result2 = pf2.ChooseRailTrack(v, tile, enterdir, tracks, path_not_found, reserve_track, target);
if (result1 != result2) {
DEBUG(yapf, 0, "CACHE ERROR: ChooseRailTrack() = [%d, %d]", result1, result2);
DumpTarget dmp1, dmp2;
@@ -148,10 +259,13 @@ public:
return result1;
}
- FORCEINLINE Trackdir ChooseRailTrack(const Vehicle *v, TileIndex tile, DiagDirection enterdir, TrackBits tracks, bool *path_not_found)
+ FORCEINLINE Trackdir ChooseRailTrack(const Vehicle *v, TileIndex tile, DiagDirection enterdir, TrackBits tracks, bool *path_not_found, bool reserve_track, PBSTileInfo *target)
{
+ if (target != NULL) target->tile = INVALID_TILE;
+
// set origin and destination nodes
- Yapf().SetOrigin(v->tile, GetVehicleTrackdir(v), INVALID_TILE, INVALID_TRACKDIR, 1, true);
+ PBSTileInfo origin = FollowTrainReservation(v);
+ Yapf().SetOrigin(origin.tile, origin.trackdir, INVALID_TILE, INVALID_TRACKDIR, 1, true);
Yapf().SetDestination(v);
// find the best path
@@ -166,17 +280,23 @@ public:
Trackdir next_trackdir = INVALID_TRACKDIR;
Node *pNode = Yapf().GetBestNode();
if (pNode != NULL) {
+ // reserve till end of path
+ this->SetReservationTarget(pNode, pNode->GetLastTile(), pNode->GetLastTrackdir());
+
// path was found or at least suggested
// walk through the path back to the origin
Node* pPrev = NULL;
while (pNode->m_parent != NULL) {
pPrev = pNode;
pNode = pNode->m_parent;
+
+ this->FindSafePositionOnNode(pPrev);
}
// return trackdir from the best origin node (one of start nodes)
Node& best_next_node = *pPrev;
- assert(best_next_node.GetTile() == tile);
next_trackdir = best_next_node.GetTrackdir();
+
+ if (reserve_track && path_found) this->TryReservePath(target);
}
return next_trackdir;
}
@@ -247,10 +367,10 @@ struct CYapfAnyDepotRail1 : CYapfT<CYapfRail_TypesT<CYapfAnyDepotRail1, CFollowT
struct CYapfAnyDepotRail2 : CYapfT<CYapfRail_TypesT<CYapfAnyDepotRail2, CFollowTrackRailNo90, CRailNodeListTrackDir, CYapfDestinationAnyDepotRailT , CYapfFollowAnyDepotRailT> > {};
-Trackdir YapfChooseRailTrack(const Vehicle *v, TileIndex tile, DiagDirection enterdir, TrackBits tracks, bool *path_not_found)
+Trackdir YapfChooseRailTrack(const Vehicle *v, TileIndex tile, DiagDirection enterdir, TrackBits tracks, bool *path_not_found, bool reserve_track, PBSTileInfo *target)
{
// default is YAPF type 2
- typedef Trackdir (*PfnChooseRailTrack)(const Vehicle*, TileIndex, DiagDirection, TrackBits, bool*);
+ typedef Trackdir (*PfnChooseRailTrack)(const Vehicle*, TileIndex, DiagDirection, TrackBits, bool*, bool, PBSTileInfo*);
PfnChooseRailTrack pfnChooseRailTrack = &CYapfRail1::stChooseRailTrack;
// check if non-default YAPF type needed
@@ -258,7 +378,7 @@ Trackdir YapfChooseRailTrack(const Vehicle *v, TileIndex tile, DiagDirection ent
pfnChooseRailTrack = &CYapfRail2::stChooseRailTrack; // Trackdir, forbid 90-deg
}
- Trackdir td_ret = pfnChooseRailTrack(v, tile, enterdir, tracks, path_not_found);
+ Trackdir td_ret = pfnChooseRailTrack(v, tile, enterdir, tracks, path_not_found, reserve_track, target);
return td_ret;
}
@@ -330,11 +450,8 @@ bool YapfFindNearestRailDepotTwoWay(const Vehicle *v, int max_distance, int reve
const Vehicle *last_veh = GetLastVehicleInChain(v);
- TileIndex tile = v->tile;
+ PBSTileInfo origin = FollowTrainReservation(v);
TileIndex last_tile = last_veh->tile;
-
- // their trackdirs
- Trackdir td = GetVehicleTrackdir(v);
Trackdir td_rev = ReverseTrackdir(GetVehicleTrackdir(last_veh));
typedef bool (*PfnFindNearestDepotTwoWay)(const Vehicle*, TileIndex, Trackdir, TileIndex, Trackdir, int, int, TileIndex*, bool*);
@@ -345,7 +462,7 @@ bool YapfFindNearestRailDepotTwoWay(const Vehicle *v, int max_distance, int reve
pfnFindNearestDepotTwoWay = &CYapfAnyDepotRail2::stFindNearestDepotTwoWay; // Trackdir, forbid 90-deg
}
- bool ret = pfnFindNearestDepotTwoWay(v, tile, td, last_tile, td_rev, max_distance, reverse_penalty, depot_tile, reversed);
+ bool ret = pfnFindNearestDepotTwoWay(v, origin.tile, origin.trackdir, last_tile, td_rev, max_distance, reverse_penalty, depot_tile, reversed);
return ret;
}
generated by cgit v1.2.3-54-g00ecf (git 2.44.0) at 2024-06-25 06:33:44 +0000