OpenTTD Source  20241108-master-g80f628063a
yapf_road.cpp
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1 /*
2  * This file is part of OpenTTD.
3  * OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
4  * OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
5  * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
6  */
7 
10 #include "../../stdafx.h"
11 #include "yapf.hpp"
12 #include "yapf_node_road.hpp"
13 #include "../../roadstop_base.h"
14 
15 #include "../../safeguards.h"
16 
17 
18 template <class Types>
20 {
21 public:
22  typedef typename Types::Tpf Tpf;
23  typedef typename Types::TrackFollower TrackFollower;
24  typedef typename Types::NodeList::Titem Node;
25  typedef typename Node::Key Key;
26 
27 protected:
28  int max_cost;
29 
30  CYapfCostRoadT() : max_cost(0) {};
31 
33  Tpf &Yapf()
34  {
35  return *static_cast<Tpf *>(this);
36  }
37 
38  int SlopeCost(TileIndex tile, TileIndex next_tile, Trackdir)
39  {
40  /* height of the center of the current tile */
41  int x1 = TileX(tile) * TILE_SIZE;
42  int y1 = TileY(tile) * TILE_SIZE;
43  int z1 = GetSlopePixelZ(x1 + TILE_SIZE / 2, y1 + TILE_SIZE / 2, true);
44 
45  /* height of the center of the next tile */
46  int x2 = TileX(next_tile) * TILE_SIZE;
47  int y2 = TileY(next_tile) * TILE_SIZE;
48  int z2 = GetSlopePixelZ(x2 + TILE_SIZE / 2, y2 + TILE_SIZE / 2, true);
49 
50  if (z2 - z1 > 1) {
51  /* Slope up */
52  return Yapf().PfGetSettings().road_slope_penalty;
53  }
54  return 0;
55  }
56 
58  inline int OneTileCost(TileIndex tile, Trackdir trackdir)
59  {
60  int cost = 0;
61  /* set base cost */
62  if (IsDiagonalTrackdir(trackdir)) {
63  cost += YAPF_TILE_LENGTH;
64  switch (GetTileType(tile)) {
65  case MP_ROAD:
66  /* Increase the cost for level crossings */
67  if (IsLevelCrossing(tile)) {
68  cost += Yapf().PfGetSettings().road_crossing_penalty;
69  }
70  break;
71 
72  case MP_STATION: {
73  if (IsRoadWaypoint(tile)) break;
74 
75  const RoadStop *rs = RoadStop::GetByTile(tile, GetRoadStopType(tile));
76  if (IsDriveThroughStopTile(tile)) {
77  /* Increase the cost for drive-through road stops */
78  cost += Yapf().PfGetSettings().road_stop_penalty;
79  DiagDirection dir = TrackdirToExitdir(trackdir);
81  /* When we're the first road stop in a 'queue' of them we increase
82  * cost based on the fill percentage of the whole queue. */
83  const RoadStop::Entry *entry = rs->GetEntry(dir);
84  cost += entry->GetOccupied() * Yapf().PfGetSettings().road_stop_occupied_penalty / entry->GetLength();
85  }
86  } else {
87  /* Increase cost for filled road stops */
88  cost += Yapf().PfGetSettings().road_stop_bay_occupied_penalty * (!rs->IsFreeBay(0) + !rs->IsFreeBay(1)) / 2;
89  }
90  break;
91  }
92 
93  default:
94  break;
95  }
96  } else {
97  /* non-diagonal trackdir */
98  cost = YAPF_TILE_CORNER_LENGTH + Yapf().PfGetSettings().road_curve_penalty;
99  }
100  return cost;
101  }
102 
103 public:
104  inline void SetMaxCost(int max_cost)
105  {
106  this->max_cost = max_cost;
107  }
108 
114  inline bool PfCalcCost(Node &n, const TrackFollower *)
115  {
116  int segment_cost = 0;
117  uint tiles = 0;
118  /* start at n.key.tile / n.key.td and walk to the end of segment */
119  TileIndex tile = n.key.tile;
120  Trackdir trackdir = n.key.td;
121  int parent_cost = (n.parent != nullptr) ? n.parent->cost : 0;
122 
123  for (;;) {
124  /* base tile cost depending on distance between edges */
125  segment_cost += Yapf().OneTileCost(tile, trackdir);
126 
127  const RoadVehicle *v = Yapf().GetVehicle();
128  /* we have reached the vehicle's destination - segment should end here to avoid target skipping */
129  if (Yapf().PfDetectDestinationTile(tile, trackdir)) break;
130 
131  /* Finish if we already exceeded the maximum path cost (i.e. when
132  * searching for the nearest depot). */
133  if (this->max_cost > 0 && (parent_cost + segment_cost) > this->max_cost) {
134  return false;
135  }
136 
137  /* stop if we have just entered the depot */
139  /* next time we will reverse and leave the depot */
140  break;
141  }
142 
143  /* if there are no reachable trackdirs on new tile, we have end of road */
144  TrackFollower F(Yapf().GetVehicle());
145  if (!F.Follow(tile, trackdir)) break;
146 
147  /* if there are more trackdirs available & reachable, we are at the end of segment */
148  if (KillFirstBit(F.new_td_bits) != TRACKDIR_BIT_NONE) break;
149 
150  Trackdir new_td = (Trackdir)FindFirstBit(F.new_td_bits);
151 
152  /* stop if RV is on simple loop with no junctions */
153  if (F.new_tile == n.key.tile && new_td == n.key.td) return false;
154 
155  /* if we skipped some tunnel tiles, add their cost */
156  segment_cost += F.tiles_skipped * YAPF_TILE_LENGTH;
157  tiles += F.tiles_skipped + 1;
158 
159  /* add hilly terrain penalty */
160  segment_cost += Yapf().SlopeCost(tile, F.new_tile, trackdir);
161 
162  /* add min/max speed penalties */
163  int min_speed = 0;
164  int max_veh_speed = std::min<int>(v->GetDisplayMaxSpeed(), v->current_order.GetMaxSpeed() * 2);
165  int max_speed = F.GetSpeedLimit(&min_speed);
166  if (max_speed < max_veh_speed) segment_cost += YAPF_TILE_LENGTH * (max_veh_speed - max_speed) * (4 + F.tiles_skipped) / max_veh_speed;
167  if (min_speed > max_veh_speed) segment_cost += YAPF_TILE_LENGTH * (min_speed - max_veh_speed);
168 
169  /* move to the next tile */
170  tile = F.new_tile;
171  trackdir = new_td;
172  if (tiles > MAX_MAP_SIZE) break;
173  }
174 
175  /* save end of segment back to the node */
176  n.segment_last_tile = tile;
177  n.segment_last_td = trackdir;
178 
179  /* save also tile cost */
180  n.cost = parent_cost + segment_cost;
181  return true;
182  }
183 };
184 
185 
186 template <class Types>
188 {
189 public:
190  typedef typename Types::Tpf Tpf;
191  typedef typename Types::TrackFollower TrackFollower;
192  typedef typename Types::NodeList::Titem Node;
193  typedef typename Node::Key Key;
194 
197  {
198  return *static_cast<Tpf *>(this);
199  }
200 
202  inline bool PfDetectDestination(Node &n)
203  {
204  return IsRoadDepotTile(n.segment_last_tile);
205  }
206 
207  inline bool PfDetectDestinationTile(TileIndex tile, Trackdir)
208  {
209  return IsRoadDepotTile(tile);
210  }
211 
216  inline bool PfCalcEstimate(Node &n)
217  {
218  n.estimate = n.cost;
219  return true;
220  }
221 };
222 
223 
224 template <class Types>
226 {
227 public:
228  typedef typename Types::Tpf Tpf;
229  typedef typename Types::TrackFollower TrackFollower;
230  typedef typename Types::NodeList::Titem Node;
231  typedef typename Node::Key Key;
232 
233 protected:
234  TileIndex dest_tile;
235  TrackdirBits dest_trackdirs;
236  StationID dest_station;
237  StationType station_type;
238  bool non_artic;
239 
240 public:
241  void SetDestination(const RoadVehicle *v)
242  {
243  if (v->current_order.IsType(OT_GOTO_STATION)) {
244  this->dest_station = v->current_order.GetDestination();
245  this->station_type = v->IsBus() ? STATION_BUS : STATION_TRUCK;
246  this->dest_tile = CalcClosestStationTile(this->dest_station, v->tile, this->station_type);
247  this->non_artic = !v->HasArticulatedPart();
248  this->dest_trackdirs = INVALID_TRACKDIR_BIT;
249  } else if (v->current_order.IsType(OT_GOTO_WAYPOINT)) {
250  this->dest_station = v->current_order.GetDestination();
251  this->station_type = STATION_ROADWAYPOINT;
252  this->dest_tile = CalcClosestStationTile(this->dest_station, v->tile, this->station_type);
253  this->non_artic = !v->HasArticulatedPart();
254  this->dest_trackdirs = INVALID_TRACKDIR_BIT;
255  } else {
256  this->dest_station = INVALID_STATION;
257  this->dest_tile = v->dest_tile;
258  this->dest_trackdirs = TrackStatusToTrackdirBits(GetTileTrackStatus(v->dest_tile, TRANSPORT_ROAD, GetRoadTramType(v->roadtype)));
259  }
260  }
261 
262  const Station *GetDestinationStation() const
263  {
264  return this->dest_station != INVALID_STATION ? Station::GetIfValid(this->dest_station) : nullptr;
265  }
266 
267 protected:
270  {
271  return *static_cast<Tpf *>(this);
272  }
273 
274 public:
276  inline bool PfDetectDestination(Node &n)
277  {
278  return this->PfDetectDestinationTile(n.segment_last_tile, n.segment_last_td);
279  }
280 
281  inline bool PfDetectDestinationTile(TileIndex tile, Trackdir trackdir)
282  {
283  if (this->dest_station != INVALID_STATION) {
284  return IsTileType(tile, MP_STATION) &&
285  GetStationIndex(tile) == this->dest_station &&
286  (this->station_type == GetStationType(tile)) &&
287  (this->non_artic || IsDriveThroughStopTile(tile));
288  }
289 
290  return tile == this->dest_tile && HasTrackdir(this->dest_trackdirs, trackdir);
291  }
292 
297  inline bool PfCalcEstimate(Node &n)
298  {
299  static const int dg_dir_to_x_offs[] = {-1, 0, 1, 0};
300  static const int dg_dir_to_y_offs[] = {0, 1, 0, -1};
301  if (this->PfDetectDestination(n)) {
302  n.estimate = n.cost;
303  return true;
304  }
305 
306  TileIndex tile = n.segment_last_tile;
307  DiagDirection exitdir = TrackdirToExitdir(n.segment_last_td);
308  int x1 = 2 * TileX(tile) + dg_dir_to_x_offs[(int)exitdir];
309  int y1 = 2 * TileY(tile) + dg_dir_to_y_offs[(int)exitdir];
310  int x2 = 2 * TileX(this->dest_tile);
311  int y2 = 2 * TileY(this->dest_tile);
312  int dx = abs(x1 - x2);
313  int dy = abs(y1 - y2);
314  int dmin = std::min(dx, dy);
315  int dxy = abs(dx - dy);
316  int d = dmin * YAPF_TILE_CORNER_LENGTH + (dxy - 1) * (YAPF_TILE_LENGTH / 2);
317  n.estimate = n.cost + d;
318  assert(n.estimate >= n.parent->estimate);
319  return true;
320  }
321 };
322 
323 
324 
325 template <class Types>
327 {
328 public:
329  typedef typename Types::Tpf Tpf;
330  typedef typename Types::TrackFollower TrackFollower;
331  typedef typename Types::NodeList::Titem Node;
332  typedef typename Node::Key Key;
333 
334 protected:
336  inline Tpf &Yapf()
337  {
338  return *static_cast<Tpf *>(this);
339  }
340 
341 public:
342 
348  inline void PfFollowNode(Node &old_node)
349  {
350  TrackFollower F(Yapf().GetVehicle());
351  if (F.Follow(old_node.segment_last_tile, old_node.segment_last_td)) {
352  Yapf().AddMultipleNodes(&old_node, F);
353  }
354  }
355 
357  inline char TransportTypeChar() const
358  {
359  return 'r';
360  }
361 
362  static Trackdir stChooseRoadTrack(const RoadVehicle *v, TileIndex tile, DiagDirection enterdir, bool &path_found, RoadVehPathCache &path_cache)
363  {
364  Tpf pf;
365  return pf.ChooseRoadTrack(v, tile, enterdir, path_found, path_cache);
366  }
367 
368  inline Trackdir ChooseRoadTrack(const RoadVehicle *v, TileIndex tile, DiagDirection enterdir, bool &path_found, RoadVehPathCache &path_cache)
369  {
370  /* Handle special case - when next tile is destination tile.
371  * However, when going to a station the (initial) destination
372  * tile might not be a station, but a junction, in which case
373  * this method forces the vehicle to jump in circles. */
374  if (tile == v->dest_tile && !v->current_order.IsType(OT_GOTO_STATION)) {
375  /* choose diagonal trackdir reachable from enterdir */
376  return DiagDirToDiagTrackdir(enterdir);
377  }
378  /* our source tile will be the next vehicle tile (should be the given one) */
379  TileIndex src_tile = tile;
380  /* get available trackdirs on the start tile */
381  TrackdirBits src_trackdirs = GetTrackdirBitsForRoad(tile, GetRoadTramType(v->roadtype));
382  /* select reachable trackdirs only */
383  src_trackdirs &= DiagdirReachesTrackdirs(enterdir);
384 
385  /* set origin and destination nodes */
386  Yapf().SetOrigin(src_tile, src_trackdirs);
387  Yapf().SetDestination(v);
388 
389  /* find the best path */
390  path_found = Yapf().FindPath(v);
391 
392  /* if path not found - return INVALID_TRACKDIR */
393  Trackdir next_trackdir = INVALID_TRACKDIR;
394  Node *pNode = Yapf().GetBestNode();
395  if (pNode != nullptr) {
396  uint steps = 0;
397  for (Node *n = pNode; n->parent != nullptr; n = n->parent) steps++;
398 
399  /* path was found or at least suggested
400  * walk through the path back to its origin */
401  while (pNode->parent != nullptr) {
402  steps--;
403  if (pNode->GetIsChoice() && steps < YAPF_ROADVEH_PATH_CACHE_SEGMENTS) {
404  path_cache.td.push_front(pNode->GetTrackdir());
405  path_cache.tile.push_front(pNode->GetTile());
406  }
407  pNode = pNode->parent;
408  }
409  /* return trackdir from the best origin node (one of start nodes) */
410  Node &best_next_node = *pNode;
411  assert(best_next_node.GetTile() == tile);
412  next_trackdir = best_next_node.GetTrackdir();
413  /* remove last element for the special case when tile == dest_tile */
414  if (path_found && !path_cache.empty() && tile == v->dest_tile) {
415  path_cache.td.pop_back();
416  path_cache.tile.pop_back();
417  }
418 
419  /* Check if target is a station, and cached path ends within 8 tiles of the dest tile */
420  const Station *st = Yapf().GetDestinationStation();
421  if (st) {
422  const RoadStop *stop = st->GetPrimaryRoadStop(v);
423  if (stop != nullptr && (IsDriveThroughStopTile(stop->xy) || stop->GetNextRoadStop(v) != nullptr)) {
424  /* Destination station has at least 2 usable road stops, or first is a drive-through stop,
425  * trim end of path cache within a number of tiles of road stop tile area */
426  TileArea non_cached_area = v->IsBus() ? st->bus_station : st->truck_station;
428  while (!path_cache.empty() && non_cached_area.Contains(path_cache.tile.back())) {
429  path_cache.td.pop_back();
430  path_cache.tile.pop_back();
431  }
432  }
433  }
434  }
435  return next_trackdir;
436  }
437 
438  inline uint DistanceToTile(const RoadVehicle *v, TileIndex dst_tile)
439  {
440  /* handle special case - when current tile is the destination tile */
441  if (dst_tile == v->tile) {
442  /* distance is zero in this case */
443  return 0;
444  }
445 
446  if (!this->SetOriginFromVehiclePos(v)) return UINT_MAX;
447 
448  /* get available trackdirs on the destination tile */
449  Yapf().SetDestination(v);
450 
451  /* if path not found - return distance = UINT_MAX */
452  uint dist = UINT_MAX;
453 
454  /* find the best path */
455  if (!Yapf().FindPath(v)) return dist;
456 
457  Node *pNode = Yapf().GetBestNode();
458  if (pNode != nullptr) {
459  /* path was found
460  * get the path cost estimate */
461  dist = pNode->GetCostEstimate();
462  }
463 
464  return dist;
465  }
466 
468  inline bool SetOriginFromVehiclePos(const RoadVehicle *v)
469  {
470  /* set origin (tile, trackdir) */
471  TileIndex src_tile = v->tile;
472  Trackdir src_td = v->GetVehicleTrackdir();
473  if (!HasTrackdir(GetTrackdirBitsForRoad(src_tile, Yapf().IsTram() ? RTT_TRAM : RTT_ROAD), src_td)) {
474  /* sometimes the roadveh is not on the road (it resides on non-existing track)
475  * how should we handle that situation? */
476  return false;
477  }
478  Yapf().SetOrigin(src_tile, TrackdirToTrackdirBits(src_td));
479  return true;
480  }
481 
482  static FindDepotData stFindNearestDepot(const RoadVehicle *v, TileIndex tile, Trackdir td, int max_distance)
483  {
484  Tpf pf;
485  return pf.FindNearestDepot(v, tile, td, max_distance);
486  }
487 
495  inline FindDepotData FindNearestDepot(const RoadVehicle *v, TileIndex tile, Trackdir td, int max_distance)
496  {
497  /* Set origin. */
498  Yapf().SetOrigin(tile, TrackdirToTrackdirBits(td));
499  Yapf().SetMaxCost(max_distance);
500 
501  /* Find the best path and return if no depot is found. */
502  if (!Yapf().FindPath(v)) return FindDepotData();
503 
504  /* Return the cost of the best path and its depot. */
505  Node *n = Yapf().GetBestNode();
506  return FindDepotData(n->segment_last_tile, n->cost);
507  }
508 };
509 
510 template <class Tpf_, class Tnode_list, template <class Types> class Tdestination>
512 {
514 
515  typedef Tpf_ Tpf;
517  typedef Tnode_list NodeList;
518  typedef RoadVehicle VehicleType;
519  typedef CYapfBaseT<Types> PfBase;
522  typedef Tdestination<Types> PfDestination;
525 };
526 
527 struct CYapfRoad1 : CYapfT<CYapfRoad_TypesT<CYapfRoad1 , CRoadNodeListTrackDir, CYapfDestinationTileRoadT > > {};
528 struct CYapfRoad2 : CYapfT<CYapfRoad_TypesT<CYapfRoad2 , CRoadNodeListExitDir , CYapfDestinationTileRoadT > > {};
529 
530 struct CYapfRoadAnyDepot1 : CYapfT<CYapfRoad_TypesT<CYapfRoadAnyDepot1, CRoadNodeListTrackDir, CYapfDestinationAnyDepotRoadT> > {};
531 struct CYapfRoadAnyDepot2 : CYapfT<CYapfRoad_TypesT<CYapfRoadAnyDepot2, CRoadNodeListExitDir , CYapfDestinationAnyDepotRoadT> > {};
532 
533 
534 Trackdir YapfRoadVehicleChooseTrack(const RoadVehicle *v, TileIndex tile, DiagDirection enterdir, TrackdirBits trackdirs, bool &path_found, RoadVehPathCache &path_cache)
535 {
537  ? CYapfRoad1::stChooseRoadTrack(v, tile, enterdir, path_found, path_cache) // Trackdir
538  : CYapfRoad2::stChooseRoadTrack(v, tile, enterdir, path_found, path_cache); // ExitDir, allow 90-deg
539 
540  return (td_ret != INVALID_TRACKDIR) ? td_ret : (Trackdir)FindFirstBit(trackdirs);
541 }
542 
544 {
545  TileIndex tile = v->tile;
546  Trackdir trackdir = v->GetVehicleTrackdir();
547 
548  if (!HasTrackdir(GetTrackdirBitsForRoad(tile, GetRoadTramType(v->roadtype)), trackdir)) {
549  return FindDepotData();
550  }
551 
553  ? CYapfRoadAnyDepot1::stFindNearestDepot(v, tile, trackdir, max_distance) // Trackdir
554  : CYapfRoadAnyDepot2::stFindNearestDepot(v, tile, trackdir, max_distance); // ExitDir
555 }
constexpr uint8_t FindFirstBit(T x)
Search the first set bit in a value.
constexpr T KillFirstBit(T value)
Clear the first bit in an integer.
CYapfBaseT - A-star type path finder base class.
Definition: yapf_base.hpp:49
Types::NodeList::Titem Node
this will be our node type
Definition: yapf_road.cpp:24
Tpf & Yapf()
to access inherited path finder
Definition: yapf_road.cpp:33
Types::TrackFollower TrackFollower
track follower helper
Definition: yapf_road.cpp:23
Node::Key Key
key to hash tables
Definition: yapf_road.cpp:25
int OneTileCost(TileIndex tile, Trackdir trackdir)
return one tile cost
Definition: yapf_road.cpp:58
bool PfCalcCost(Node &n, const TrackFollower *)
Called by YAPF to calculate the cost from the origin to the given node.
Definition: yapf_road.cpp:114
Types::Tpf Tpf
pathfinder (derived from THIS class)
Definition: yapf_road.cpp:22
Tpf & Yapf()
to access inherited path finder
Definition: yapf_road.cpp:196
Types::NodeList::Titem Node
this will be our node type
Definition: yapf_road.cpp:192
bool PfCalcEstimate(Node &n)
Called by YAPF to calculate cost estimate.
Definition: yapf_road.cpp:216
bool PfDetectDestination(Node &n)
Called by YAPF to detect if node ends in the desired destination.
Definition: yapf_road.cpp:202
Node::Key Key
key to hash tables
Definition: yapf_road.cpp:193
Types::Tpf Tpf
the pathfinder class (derived from THIS class)
Definition: yapf_road.cpp:190
bool PfCalcEstimate(Node &n)
Called by YAPF to calculate cost estimate.
Definition: yapf_road.cpp:297
Types::Tpf Tpf
the pathfinder class (derived from THIS class)
Definition: yapf_road.cpp:228
Node::Key Key
key to hash tables
Definition: yapf_road.cpp:231
Types::NodeList::Titem Node
this will be our node type
Definition: yapf_road.cpp:230
Tpf & Yapf()
to access inherited path finder
Definition: yapf_road.cpp:269
bool PfDetectDestination(Node &n)
Called by YAPF to detect if node ends in the desired destination.
Definition: yapf_road.cpp:276
FindDepotData FindNearestDepot(const RoadVehicle *v, TileIndex tile, Trackdir td, int max_distance)
Find the best depot for a road vehicle.
Definition: yapf_road.cpp:495
void PfFollowNode(Node &old_node)
Called by YAPF to move from the given node to the next tile.
Definition: yapf_road.cpp:348
Node::Key Key
key to hash tables
Definition: yapf_road.cpp:332
char TransportTypeChar() const
return debug report character to identify the transportation type
Definition: yapf_road.cpp:357
bool SetOriginFromVehiclePos(const RoadVehicle *v)
Return true if the valid origin (tile/trackdir) was set from the current vehicle position.
Definition: yapf_road.cpp:468
Types::Tpf Tpf
the pathfinder class (derived from THIS class)
Definition: yapf_road.cpp:329
Tpf & Yapf()
to access inherited path finder
Definition: yapf_road.cpp:336
Types::NodeList::Titem Node
this will be our node type
Definition: yapf_road.cpp:331
YAPF origin provider base class - used when origin is one tile / multiple trackdirs.
Definition: yapf_common.hpp:23
CYapfSegmentCostCacheNoneT - the formal only yapf cost cache provider that implements PfNodeCacheFetc...
YAPF template that uses Ttypes template argument to determine all YAPF components (base classes) from...
DiagDirection ReverseDiagDir(DiagDirection d)
Returns the reverse direction of the given DiagDirection.
DiagDirection
Enumeration for diagonal directions.
TrackStatus GetTileTrackStatus(TileIndex tile, TransportType mode, uint sub_mode, DiagDirection side)
Returns information about trackdirs and signal states.
Definition: landscape.cpp:554
int GetSlopePixelZ(int x, int y, bool ground_vehicle)
Return world Z coordinate of a given point of a tile.
Definition: landscape.cpp:303
static debug_inline uint TileY(TileIndex tile)
Get the Y component of a tile.
Definition: map_func.h:425
static debug_inline uint TileX(TileIndex tile)
Get the X component of a tile.
Definition: map_func.h:415
TileIndexDiff TileOffsByDiagDir(DiagDirection dir)
Convert a DiagDirection to a TileIndexDiff.
Definition: map_func.h:567
static const uint MAX_MAP_SIZE
Maximal map size = 4096.
Definition: map_type.h:40
constexpr T abs(const T a)
Returns the absolute value of (scalar) variable.
Definition: math_func.hpp:23
TrackdirBits GetTrackdirBitsForRoad(TileIndex tile, RoadTramType rtt)
Wrapper around GetTileTrackStatus() and TrackStatusToTrackdirBits(), as for single tram bits GetTileT...
TileIndex CalcClosestStationTile(StationID station, TileIndex tile, StationType station_type)
Calculates the tile of given station that is closest to a given tile for this we assume the station i...
static const int YAPF_TILE_CORNER_LENGTH
Length (penalty) of a corner with YAPF.
static const int YAPF_ROADVEH_PATH_CACHE_SEGMENTS
Maximum segments of road vehicle path cache.
static const int YAPF_ROADVEH_PATH_CACHE_DESTINATION_LIMIT
Distance from destination road stops to not cache any further.
static const int YAPF_TILE_LENGTH
Length (penalty) of one tile with YAPF.
DiagDirection GetRoadDepotDirection(Tile t)
Get the direction of the exit of a road depot.
Definition: road_map.h:565
static debug_inline bool IsRoadDepotTile(Tile t)
Return whether a tile is a road depot tile.
Definition: road_map.h:116
bool IsLevelCrossing(Tile t)
Return whether a tile is a level crossing.
Definition: road_map.h:85
GameSettings _settings_game
Game settings of a running game or the scenario editor.
Definition: settings.cpp:57
StationType GetStationType(Tile t)
Get the station type of this tile.
Definition: station_map.h:44
bool IsRoadWaypoint(Tile t)
Is the station at t a road waypoint?
Definition: station_map.h:202
bool IsDriveThroughStopTile(Tile t)
Is tile t a drive through road stop station or waypoint?
Definition: station_map.h:276
StationID GetStationIndex(Tile t)
Get StationID from a tile.
Definition: station_map.h:28
RoadStopType GetRoadStopType(Tile t)
Get the road stop type of this tile.
Definition: station_map.h:56
StationType
Station types.
Definition: station_type.h:31
Track follower helper template class (can serve pathfinders and vehicle controllers).
Helper container to find a depot.
PathfinderSettings pf
settings for all pathfinders
Node of the link graph.
Definition: linkgraph.h:90
uint16_t GetMaxSpeed() const
Get the maxmimum speed in km-ish/h a vehicle is allowed to reach on the way to the destination.
Definition: order_base.h:201
DestinationID GetDestination() const
Gets the destination of this order.
Definition: order_base.h:103
bool IsType(OrderType type) const
Check whether this order is of the given type.
Definition: order_base.h:70
Represents the covered area of e.g.
Definition: tilearea_type.h:18
bool Contains(TileIndex tile) const
Does this tile area contain a tile?
Definition: tilearea.cpp:104
OrthogonalTileArea & Expand(int rad)
Expand a tile area by rad tiles in each direction, keeping within map bounds.
Definition: tilearea.cpp:123
YAPFSettings yapf
pathfinder settings for the yet another pathfinder
Container for each entry point of a drive through road stop.
Definition: roadstop_base.h:33
int GetOccupied() const
Get the amount of occupied space in this drive through stop.
Definition: roadstop_base.h:57
int GetLength() const
Get the length of this drive through stop.
Definition: roadstop_base.h:48
A Stop for a Road Vehicle.
Definition: roadstop_base.h:22
const Entry * GetEntry(DiagDirection dir) const
Get the drive through road stop entry struct for the given direction.
bool IsFreeBay(uint nr) const
Checks whether the given bay is free in this road stop.
Definition: roadstop_base.h:94
RoadStop * GetNextRoadStop(const struct RoadVehicle *v) const
Get the next road stop accessible by this vehicle.
Definition: roadstop.cpp:42
TileIndex xy
Position on the map.
Definition: roadstop_base.h:69
static bool IsDriveThroughRoadStopContinuation(TileIndex rs, TileIndex next)
Checks whether the 'next' tile is still part of the road same drive through stop 'rs' in the same dir...
Definition: roadstop.cpp:303
static RoadStop * GetByTile(TileIndex tile, RoadStopType type)
Find a roadstop at given tile.
Definition: roadstop.cpp:264
Buses, trucks and trams belong to this class.
Definition: roadveh.h:106
bool IsBus() const
Check whether a roadvehicle is a bus.
Definition: roadveh_cmd.cpp:82
int GetDisplayMaxSpeed() const override
Gets the maximum speed in km-ish/h that can be sent into SetDParam for string processing.
Definition: roadveh.h:133
Trackdir GetVehicleTrackdir() const override
Returns the Trackdir on which the vehicle is currently located.
RoadType roadtype
NOSAVE: Roadtype of this vehicle.
Definition: roadveh.h:116
static Station * GetIfValid(size_t index)
Returns station if the index is a valid index for this station type.
Station data structure.
Definition: station_base.h:439
TileArea bus_station
Tile area the bus 'station' part covers.
Definition: station_base.h:449
TileArea truck_station
Tile area the truck 'station' part covers.
Definition: station_base.h:451
bool HasArticulatedPart() const
Check if an engine has an articulated part.
Definition: vehicle_base.h:963
Order current_order
The current order (+ status, like: loading)
Definition: vehicle_base.h:356
TileIndex tile
Current tile index.
Definition: vehicle_base.h:264
TileIndex dest_tile
Heading for this tile.
Definition: vehicle_base.h:271
bool disable_node_optimization
whether to use exit-dir instead of trackdir in node key
static debug_inline TileType GetTileType(Tile tile)
Get the tiletype of a given tile.
Definition: tile_map.h:96
static debug_inline bool IsTileType(Tile tile, TileType type)
Checks if a tile is a given tiletype.
Definition: tile_map.h:150
static const uint TILE_SIZE
Tile size in world coordinates.
Definition: tile_type.h:15
@ MP_ROAD
A tile with road (or tram tracks)
Definition: tile_type.h:50
@ MP_STATION
A tile of a station.
Definition: tile_type.h:53
TrackdirBits TrackStatusToTrackdirBits(TrackStatus ts)
Returns the present-trackdir-information of a TrackStatus.
Definition: track_func.h:352
TrackdirBits DiagdirReachesTrackdirs(DiagDirection diagdir)
Returns all trackdirs that can be reached when entering a tile from a given (diagonal) direction.
Definition: track_func.h:555
bool IsDiagonalTrackdir(Trackdir trackdir)
Checks if a given Trackdir is diagonal.
Definition: track_func.h:631
bool HasTrackdir(TrackdirBits trackdirs, Trackdir trackdir)
Checks whether a TrackdirBits has a given Trackdir.
Definition: track_func.h:340
Trackdir DiagDirToDiagTrackdir(DiagDirection diagdir)
Maps a (4-way) direction to the diagonal trackdir that runs in that direction.
Definition: track_func.h:537
TrackdirBits TrackdirToTrackdirBits(Trackdir trackdir)
Maps a Trackdir to the corresponding TrackdirBits value.
Definition: track_func.h:111
DiagDirection TrackdirToExitdir(Trackdir trackdir)
Maps a trackdir to the (4-way) direction the tile is exited when following that trackdir.
Definition: track_func.h:439
Trackdir
Enumeration for tracks and directions.
Definition: track_type.h:67
@ INVALID_TRACKDIR
Flag for an invalid trackdir.
Definition: track_type.h:86
TrackdirBits
Allow incrementing of Trackdir variables.
Definition: track_type.h:98
@ TRACKDIR_BIT_NONE
No track build.
Definition: track_type.h:99
@ INVALID_TRACKDIR_BIT
Flag for an invalid trackdirbit value.
Definition: track_type.h:114
@ TRANSPORT_ROAD
Transport by road vehicle.
Base includes/functions for YAPF.
Node tailored for road pathfinding.
FindDepotData YapfRoadVehicleFindNearestDepot(const RoadVehicle *v, int max_distance)
Used when user sends road vehicle to the nearest depot or if road vehicle needs servicing using YAPF.
Definition: yapf_road.cpp:543
Trackdir YapfRoadVehicleChooseTrack(const RoadVehicle *v, TileIndex tile, DiagDirection enterdir, TrackdirBits trackdirs, bool &path_found, RoadVehPathCache &path_cache)
Finds the best path for given road vehicle using YAPF.
Definition: yapf_road.cpp:534