OpenTTD Source  1.11.2
road_cmd.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 "cmd_helper.h"
12 #include "road.h"
13 #include "road_internal.h"
14 #include "viewport_func.h"
15 #include "command_func.h"
17 #include "depot_base.h"
18 #include "newgrf.h"
19 #include "autoslope.h"
20 #include "tunnelbridge_map.h"
21 #include "strings_func.h"
22 #include "vehicle_func.h"
23 #include "sound_func.h"
24 #include "tunnelbridge.h"
25 #include "cheat_type.h"
26 #include "effectvehicle_func.h"
27 #include "effectvehicle_base.h"
28 #include "elrail_func.h"
29 #include "roadveh.h"
30 #include "town.h"
31 #include "company_base.h"
32 #include "core/random_func.hpp"
33 #include "newgrf_debug.h"
34 #include "newgrf_railtype.h"
35 #include "newgrf_roadtype.h"
36 #include "date_func.h"
37 #include "genworld.h"
38 #include "company_gui.h"
39 #include "road_func.h"
40 
41 #include "table/strings.h"
42 #include "table/roadtypes.h"
43 
44 #include "safeguards.h"
45 
47 typedef std::vector<RoadVehicle *> RoadVehicleList;
48 
49 RoadTypeInfo _roadtypes[ROADTYPE_END];
50 std::vector<RoadType> _sorted_roadtypes;
51 RoadTypes _roadtypes_hidden_mask;
52 
58 
63 {
64  static_assert(lengthof(_original_roadtypes) <= lengthof(_roadtypes));
65 
66  uint i = 0;
67  for (; i < lengthof(_original_roadtypes); i++) _roadtypes[i] = _original_roadtypes[i];
68 
69  static const RoadTypeInfo empty_roadtype = {
70  { 0, 0, 0, 0, 0, 0 },
71  { 0, 0, 0, 0, 0, 0 },
72  { 0, 0, 0, 0, 0, 0, 0, 0, 0, {}, {}, 0, {}, {} },
73  ROADTYPES_NONE, ROTFB_NONE, 0, 0, 0, 0,
75  {}, {} };
76  for (; i < lengthof(_roadtypes); i++) _roadtypes[i] = empty_roadtype;
77 
78  _roadtypes_hidden_mask = ROADTYPES_NONE;
80 }
81 
82 void ResolveRoadTypeGUISprites(RoadTypeInfo *rti)
83 {
85  if (cursors_base != 0) {
86  rti->gui_sprites.build_y_road = cursors_base + 0;
87  rti->gui_sprites.build_x_road = cursors_base + 1;
88  rti->gui_sprites.auto_road = cursors_base + 2;
89  rti->gui_sprites.build_depot = cursors_base + 3;
90  rti->gui_sprites.build_tunnel = cursors_base + 4;
91  rti->gui_sprites.convert_road = cursors_base + 5;
92  rti->cursor.road_swne = cursors_base + 6;
93  rti->cursor.road_nwse = cursors_base + 7;
94  rti->cursor.autoroad = cursors_base + 8;
95  rti->cursor.depot = cursors_base + 9;
96  rti->cursor.tunnel = cursors_base + 10;
97  rti->cursor.convert_road = cursors_base + 11;
98  }
99 }
100 
107 static bool CompareRoadTypes(const RoadType &first, const RoadType &second)
108 {
109  if (RoadTypeIsRoad(first) == RoadTypeIsRoad(second)) {
111  }
112  return RoadTypeIsTram(first) < RoadTypeIsTram(second);
113 }
114 
119 {
120  for (RoadType rt = ROADTYPE_BEGIN; rt != ROADTYPE_END; rt++) {
121  RoadTypeInfo *rti = &_roadtypes[rt];
122  ResolveRoadTypeGUISprites(rti);
123  if (HasBit(rti->flags, ROTF_HIDDEN)) SetBit(_roadtypes_hidden_mask, rt);
124  }
125 
126  _sorted_roadtypes.clear();
127  for (RoadType rt = ROADTYPE_BEGIN; rt != ROADTYPE_END; rt++) {
128  if (_roadtypes[rt].label != 0 && !HasBit(_roadtypes_hidden_mask, rt)) {
129  _sorted_roadtypes.push_back(rt);
130  }
131  }
132  std::sort(_sorted_roadtypes.begin(), _sorted_roadtypes.end(), CompareRoadTypes);
133 }
134 
138 RoadType AllocateRoadType(RoadTypeLabel label, RoadTramType rtt)
139 {
140  for (RoadType rt = ROADTYPE_BEGIN; rt != ROADTYPE_END; rt++) {
141  RoadTypeInfo *rti = &_roadtypes[rt];
142 
143  if (rti->label == 0) {
144  /* Set up new road type */
145  *rti = _original_roadtypes[(rtt == RTT_TRAM) ? ROADTYPE_TRAM : ROADTYPE_ROAD];
146  rti->label = label;
147  rti->alternate_labels.clear();
148  rti->flags = ROTFB_NONE;
150 
151  /* Make us compatible with ourself. */
152  rti->powered_roadtypes = (RoadTypes)(1ULL << rt);
153 
154  /* We also introduce ourself. */
155  rti->introduces_roadtypes = (RoadTypes)(1ULL << rt);
156 
157  /* Default sort order; order of allocation, but with some
158  * offsets so it's easier for NewGRF to pick a spot without
159  * changing the order of other (original) road types.
160  * The << is so you can place other roadtypes in between the
161  * other roadtypes, the 7 is to be able to place something
162  * before the first (default) road type. */
163  rti->sorting_order = rt << 2 | 7;
164 
165  /* Set bitmap of road/tram types */
166  if (rtt == RTT_TRAM) {
167  SetBit(_roadtypes_type, rt);
168  } else {
169  ClrBit(_roadtypes_type, rt);
170  }
171 
172  return rt;
173  }
174  }
175 
176  return INVALID_ROADTYPE;
177 }
178 
184 {
185  return !RoadVehicle::Iterate().empty();
186 }
187 
195 {
196  if (rt == INVALID_ROADTYPE) return;
197 
199  if (c == nullptr) return;
200 
201  c->infrastructure.road[rt] += count;
203 }
204 
206 static const RoadBits _invalid_tileh_slopes_road[2][15] = {
207  /* The inverse of the mixable RoadBits on a leveled slope */
208  {
209  ROAD_NONE, // SLOPE_FLAT
210  ROAD_NE | ROAD_SE, // SLOPE_W
211  ROAD_NE | ROAD_NW, // SLOPE_S
212 
213  ROAD_NE, // SLOPE_SW
214  ROAD_NW | ROAD_SW, // SLOPE_E
215  ROAD_NONE, // SLOPE_EW
216 
217  ROAD_NW, // SLOPE_SE
218  ROAD_NONE, // SLOPE_WSE
219  ROAD_SE | ROAD_SW, // SLOPE_N
220 
221  ROAD_SE, // SLOPE_NW
222  ROAD_NONE, // SLOPE_NS
223  ROAD_NONE, // SLOPE_ENW
224 
225  ROAD_SW, // SLOPE_NE
226  ROAD_NONE, // SLOPE_SEN
227  ROAD_NONE // SLOPE_NWS
228  },
229  /* The inverse of the allowed straight roads on a slope
230  * (with and without a foundation). */
231  {
232  ROAD_NONE, // SLOPE_FLAT
233  ROAD_NONE, // SLOPE_W Foundation
234  ROAD_NONE, // SLOPE_S Foundation
235 
236  ROAD_Y, // SLOPE_SW
237  ROAD_NONE, // SLOPE_E Foundation
238  ROAD_ALL, // SLOPE_EW
239 
240  ROAD_X, // SLOPE_SE
241  ROAD_ALL, // SLOPE_WSE
242  ROAD_NONE, // SLOPE_N Foundation
243 
244  ROAD_X, // SLOPE_NW
245  ROAD_ALL, // SLOPE_NS
246  ROAD_ALL, // SLOPE_ENW
247 
248  ROAD_Y, // SLOPE_NE
249  ROAD_ALL, // SLOPE_SEN
250  ROAD_ALL // SLOPE_NW
251  }
252 };
253 
254 static Foundation GetRoadFoundation(Slope tileh, RoadBits bits);
255 
266 CommandCost CheckAllowRemoveRoad(TileIndex tile, RoadBits remove, Owner owner, RoadTramType rtt, DoCommandFlag flags, bool town_check)
267 {
268  if (_game_mode == GM_EDITOR || remove == ROAD_NONE) return CommandCost();
269 
270  /* Water can always flood and towns can always remove "normal" road pieces.
271  * Towns are not be allowed to remove non "normal" road pieces, like tram
272  * tracks as that would result in trams that cannot turn. */
273  if (_current_company == OWNER_WATER ||
274  (rtt == RTT_ROAD && !Company::IsValidID(_current_company))) return CommandCost();
275 
276  /* Only do the special processing if the road is owned
277  * by a town */
278  if (owner != OWNER_TOWN) {
279  if (owner == OWNER_NONE) return CommandCost();
280  CommandCost ret = CheckOwnership(owner);
281  return ret;
282  }
283 
284  if (!town_check) return CommandCost();
285 
287 
288  Town *t = ClosestTownFromTile(tile, UINT_MAX);
289  if (t == nullptr) return CommandCost();
290 
291  /* check if you're allowed to remove the street owned by a town
292  * removal allowance depends on difficulty setting */
293  CommandCost ret = CheckforTownRating(flags, t, ROAD_REMOVE);
294  if (ret.Failed()) return ret;
295 
296  /* Get a bitmask of which neighbouring roads has a tile */
297  RoadBits n = ROAD_NONE;
298  RoadBits present = GetAnyRoadBits(tile, rtt);
299  if ((present & ROAD_NE) && (GetAnyRoadBits(TILE_ADDXY(tile, -1, 0), rtt) & ROAD_SW)) n |= ROAD_NE;
300  if ((present & ROAD_SE) && (GetAnyRoadBits(TILE_ADDXY(tile, 0, 1), rtt) & ROAD_NW)) n |= ROAD_SE;
301  if ((present & ROAD_SW) && (GetAnyRoadBits(TILE_ADDXY(tile, 1, 0), rtt) & ROAD_NE)) n |= ROAD_SW;
302  if ((present & ROAD_NW) && (GetAnyRoadBits(TILE_ADDXY(tile, 0, -1), rtt) & ROAD_SE)) n |= ROAD_NW;
303 
304  int rating_decrease = RATING_ROAD_DOWN_STEP_EDGE;
305  /* If 0 or 1 bits are set in n, or if no bits that match the bits to remove,
306  * then allow it */
307  if (KillFirstBit(n) != ROAD_NONE && (n & remove) != ROAD_NONE) {
308  /* you can remove all kind of roads with extra dynamite */
310  SetDParam(0, t->index);
311  return_cmd_error(STR_ERROR_LOCAL_AUTHORITY_REFUSES_TO_ALLOW_THIS);
312  }
313  rating_decrease = RATING_ROAD_DOWN_STEP_INNER;
314  }
315  ChangeTownRating(t, rating_decrease, RATING_ROAD_MINIMUM, flags);
316 
317  return CommandCost();
318 }
319 
320 
330 static CommandCost RemoveRoad(TileIndex tile, DoCommandFlag flags, RoadBits pieces, RoadTramType rtt, bool crossing_check, bool town_check = true)
331 {
332  assert(pieces != ROAD_NONE);
333 
334  RoadType existing_rt = MayHaveRoad(tile) ? GetRoadType(tile, rtt) : INVALID_ROADTYPE;
335  /* The tile doesn't have the given road type */
336  if (existing_rt == INVALID_ROADTYPE) return_cmd_error((rtt == RTT_TRAM) ? STR_ERROR_THERE_IS_NO_TRAMWAY : STR_ERROR_THERE_IS_NO_ROAD);
337 
338  switch (GetTileType(tile)) {
339  case MP_ROAD: {
341  if (ret.Failed()) return ret;
342  break;
343  }
344 
345  case MP_STATION: {
346  if (!IsDriveThroughStopTile(tile)) return CMD_ERROR;
347 
349  if (ret.Failed()) return ret;
350  break;
351  }
352 
353  case MP_TUNNELBRIDGE: {
356  if (ret.Failed()) return ret;
357  break;
358  }
359 
360  default:
361  return CMD_ERROR;
362  }
363 
364  CommandCost ret = CheckAllowRemoveRoad(tile, pieces, GetRoadOwner(tile, rtt), rtt, flags, town_check);
365  if (ret.Failed()) return ret;
366 
367  if (!IsTileType(tile, MP_ROAD)) {
368  /* If it's the last roadtype, just clear the whole tile */
369  if (GetRoadType(tile, OtherRoadTramType(rtt)) == INVALID_ROADTYPE) return DoCommand(tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR);
370 
372  if (IsTileType(tile, MP_TUNNELBRIDGE)) {
373  /* Removing any roadbit in the bridge axis removes the roadtype (that's the behaviour remove-long-roads needs) */
374  if ((AxisToRoadBits(DiagDirToAxis(GetTunnelBridgeDirection(tile))) & pieces) == ROAD_NONE) return_cmd_error((rtt == RTT_TRAM) ? STR_ERROR_THERE_IS_NO_TRAMWAY : STR_ERROR_THERE_IS_NO_ROAD);
375 
376  TileIndex other_end = GetOtherTunnelBridgeEnd(tile);
377  /* Pay for *every* tile of the bridge or tunnel */
378  uint len = GetTunnelBridgeLength(other_end, tile) + 2;
379  cost.AddCost(len * 2 * RoadClearCost(existing_rt));
380  if (flags & DC_EXEC) {
381  /* A full diagonal road tile has two road bits. */
382  UpdateCompanyRoadInfrastructure(existing_rt, GetRoadOwner(tile, rtt), -(int)(len * 2 * TUNNELBRIDGE_TRACKBIT_FACTOR));
383 
384  SetRoadType(other_end, rtt, INVALID_ROADTYPE);
385  SetRoadType(tile, rtt, INVALID_ROADTYPE);
386 
387  /* If the owner of the bridge sells all its road, also move the ownership
388  * to the owner of the other roadtype, unless the bridge owner is a town. */
389  Owner other_owner = GetRoadOwner(tile, OtherRoadTramType(rtt));
390  if (!IsTileOwner(tile, other_owner) && !IsTileOwner(tile, OWNER_TOWN)) {
391  SetTileOwner(tile, other_owner);
392  SetTileOwner(other_end, other_owner);
393  }
394 
395  /* Mark tiles dirty that have been repaved */
396  if (IsBridge(tile)) {
397  MarkBridgeDirty(tile);
398  } else {
399  MarkTileDirtyByTile(tile);
400  MarkTileDirtyByTile(other_end);
401  }
402  }
403  } else {
404  assert(IsDriveThroughStopTile(tile));
405  cost.AddCost(RoadClearCost(existing_rt) * 2);
406  if (flags & DC_EXEC) {
407  /* A full diagonal road tile has two road bits. */
408  UpdateCompanyRoadInfrastructure(existing_rt, GetRoadOwner(tile, rtt), -2);
409  SetRoadType(tile, rtt, INVALID_ROADTYPE);
410  MarkTileDirtyByTile(tile);
411  }
412  }
413  return cost;
414  }
415 
416  switch (GetRoadTileType(tile)) {
417  case ROAD_TILE_NORMAL: {
418  Slope tileh = GetTileSlope(tile);
419 
420  /* Steep slopes behave the same as slopes with one corner raised. */
421  if (IsSteepSlope(tileh)) {
423  }
424 
425  RoadBits present = GetRoadBits(tile, rtt);
426  const RoadBits other = GetRoadBits(tile, OtherRoadTramType(rtt));
427  const Foundation f = GetRoadFoundation(tileh, present);
428 
429  if (HasRoadWorks(tile) && _current_company != OWNER_WATER) return_cmd_error(STR_ERROR_ROAD_WORKS_IN_PROGRESS);
430 
431  /* Autocomplete to a straight road
432  * @li if the bits of the other roadtypes result in another foundation
433  * @li if build on slopes is disabled */
434  if ((IsStraightRoad(other) && (other & _invalid_tileh_slopes_road[0][tileh & SLOPE_ELEVATED]) != ROAD_NONE) ||
436  pieces |= MirrorRoadBits(pieces);
437  }
438 
439  /* limit the bits to delete to the existing bits. */
440  pieces &= present;
441  if (pieces == ROAD_NONE) return_cmd_error((rtt == RTT_TRAM) ? STR_ERROR_THERE_IS_NO_TRAMWAY : STR_ERROR_THERE_IS_NO_ROAD);
442 
443  /* Now set present what it will be after the remove */
444  present ^= pieces;
445 
446  /* Check for invalid RoadBit combinations on slopes */
447  if (tileh != SLOPE_FLAT && present != ROAD_NONE &&
448  (present & _invalid_tileh_slopes_road[0][tileh & SLOPE_ELEVATED]) == present) {
449  return CMD_ERROR;
450  }
451 
452  if (flags & DC_EXEC) {
453  if (HasRoadWorks(tile)) {
454  /* flooding tile with road works, don't forget to remove the effect vehicle too */
455  assert(_current_company == OWNER_WATER);
457  if (TileVirtXY(v->x_pos, v->y_pos) == tile) {
458  delete v;
459  }
460  }
461  }
462 
463  UpdateCompanyRoadInfrastructure(existing_rt, GetRoadOwner(tile, rtt), -(int)CountBits(pieces));
464 
465  if (present == ROAD_NONE) {
466  /* No other road type, just clear tile. */
467  if (GetRoadType(tile, OtherRoadTramType(rtt)) == INVALID_ROADTYPE) {
468  /* Includes MarkTileDirtyByTile() */
469  DoClearSquare(tile);
470  } else {
471  if (rtt == RTT_ROAD && IsRoadOwner(tile, rtt, OWNER_TOWN)) {
472  /* Update nearest-town index */
473  const Town *town = CalcClosestTownFromTile(tile);
474  SetTownIndex(tile, town == nullptr ? INVALID_TOWN : town->index);
475  }
476  SetRoadBits(tile, ROAD_NONE, rtt);
477  SetRoadType(tile, rtt, INVALID_ROADTYPE);
478  MarkTileDirtyByTile(tile);
479  }
480  } else {
481  /* When bits are removed, you *always* end up with something that
482  * is not a complete straight road tile. However, trams do not have
483  * onewayness, so they cannot remove it either. */
484  if (rtt == RTT_ROAD) SetDisallowedRoadDirections(tile, DRD_NONE);
485  SetRoadBits(tile, present, rtt);
486  MarkTileDirtyByTile(tile);
487  }
488  }
489 
490  CommandCost cost(EXPENSES_CONSTRUCTION, CountBits(pieces) * RoadClearCost(existing_rt));
491  /* If we build a foundation we have to pay for it. */
492  if (f == FOUNDATION_NONE && GetRoadFoundation(tileh, present) != FOUNDATION_NONE) cost.AddCost(_price[PR_BUILD_FOUNDATION]);
493 
494  return cost;
495  }
496 
497  case ROAD_TILE_CROSSING: {
498  if (pieces & ComplementRoadBits(GetCrossingRoadBits(tile))) {
499  return CMD_ERROR;
500  }
501 
502  if (flags & DC_EXEC) {
503  /* A full diagonal road tile has two road bits. */
504  UpdateCompanyRoadInfrastructure(existing_rt, GetRoadOwner(tile, rtt), -2);
505 
506  Track railtrack = GetCrossingRailTrack(tile);
507  if (GetRoadType(tile, OtherRoadTramType(rtt)) == INVALID_ROADTYPE) {
508  TrackBits tracks = GetCrossingRailBits(tile);
509  bool reserved = HasCrossingReservation(tile);
510  MakeRailNormal(tile, GetTileOwner(tile), tracks, GetRailType(tile));
511  if (reserved) SetTrackReservation(tile, tracks);
512 
513  /* Update rail count for level crossings. The plain track should still be accounted
514  * for, so only subtract the difference to the level crossing cost. */
516  if (c != nullptr) {
519  }
520  } else {
521  SetRoadType(tile, rtt, INVALID_ROADTYPE);
522  }
523  MarkTileDirtyByTile(tile);
524  YapfNotifyTrackLayoutChange(tile, railtrack);
525  }
526  return CommandCost(EXPENSES_CONSTRUCTION, RoadClearCost(existing_rt) * 2);
527  }
528 
529  default:
530  case ROAD_TILE_DEPOT:
531  return CMD_ERROR;
532  }
533 }
534 
535 
547 static CommandCost CheckRoadSlope(Slope tileh, RoadBits *pieces, RoadBits existing, RoadBits other)
548 {
549  /* Remove already build pieces */
550  CLRBITS(*pieces, existing);
551 
552  /* If we can't build anything stop here */
553  if (*pieces == ROAD_NONE) return CMD_ERROR;
554 
555  /* All RoadBit combos are valid on flat land */
556  if (tileh == SLOPE_FLAT) return CommandCost();
557 
558  /* Steep slopes behave the same as slopes with one corner raised. */
559  if (IsSteepSlope(tileh)) {
561  }
562 
563  /* Save the merge of all bits of the current type */
564  RoadBits type_bits = existing | *pieces;
565 
566  /* Roads on slopes */
567  if (_settings_game.construction.build_on_slopes && (_invalid_tileh_slopes_road[0][tileh] & (other | type_bits)) == ROAD_NONE) {
568 
569  /* If we add leveling we've got to pay for it */
570  if ((other | existing) == ROAD_NONE) return CommandCost(EXPENSES_CONSTRUCTION, _price[PR_BUILD_FOUNDATION]);
571 
572  return CommandCost();
573  }
574 
575  /* Autocomplete uphill roads */
576  *pieces |= MirrorRoadBits(*pieces);
577  type_bits = existing | *pieces;
578 
579  /* Uphill roads */
580  if (IsStraightRoad(type_bits) && (other == type_bits || other == ROAD_NONE) &&
581  (_invalid_tileh_slopes_road[1][tileh] & (other | type_bits)) == ROAD_NONE) {
582 
583  /* Slopes with foundation ? */
584  if (IsSlopeWithOneCornerRaised(tileh)) {
585 
586  /* Prevent build on slopes if it isn't allowed */
588 
589  /* If we add foundation we've got to pay for it */
590  if ((other | existing) == ROAD_NONE) return CommandCost(EXPENSES_CONSTRUCTION, _price[PR_BUILD_FOUNDATION]);
591 
592  return CommandCost();
593  }
594  } else {
595  if (HasExactlyOneBit(existing) && GetRoadFoundation(tileh, existing) == FOUNDATION_NONE) return CommandCost(EXPENSES_CONSTRUCTION, _price[PR_BUILD_FOUNDATION]);
596  return CommandCost();
597  }
598  }
599  return CMD_ERROR;
600 }
601 
613 CommandCost CmdBuildRoad(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
614 {
615  CompanyID company = _current_company;
617 
618  RoadBits existing = ROAD_NONE;
619  RoadBits other_bits = ROAD_NONE;
620 
621  /* Road pieces are max 4 bitset values (NE, NW, SE, SW) and town can only be non-zero
622  * if a non-company is building the road */
623  if ((Company::IsValidID(company) && p2 != 0) || (company == OWNER_TOWN && !Town::IsValidID(p2)) || (company == OWNER_DEITY && p2 != 0)) return CMD_ERROR;
624  if (company != OWNER_TOWN) {
625  const Town *town = CalcClosestTownFromTile(tile);
626  p2 = (town != nullptr) ? town->index : INVALID_TOWN;
627 
628  if (company == OWNER_DEITY) {
629  company = OWNER_TOWN;
630 
631  /* If we are not within a town, we are not owned by the town */
632  if (town == nullptr || DistanceSquare(tile, town->xy) > town->cache.squared_town_zone_radius[HZB_TOWN_EDGE]) {
633  company = OWNER_NONE;
634  }
635  }
636  }
637 
638  RoadBits pieces = Extract<RoadBits, 0, 4>(p1);
639 
640  /* do not allow building 'zero' road bits, code wouldn't handle it */
641  if (pieces == ROAD_NONE) return CMD_ERROR;
642 
643  RoadType rt = Extract<RoadType, 4, 6>(p1);
644  if (!ValParamRoadType(rt)) return CMD_ERROR;
645 
646  DisallowedRoadDirections toggle_drd = Extract<DisallowedRoadDirections, 11, 2>(p1);
647 
648  Slope tileh = GetTileSlope(tile);
649  RoadTramType rtt = GetRoadTramType(rt);
650 
651  bool need_to_clear = false;
652  switch (GetTileType(tile)) {
653  case MP_ROAD:
654  switch (GetRoadTileType(tile)) {
655  case ROAD_TILE_NORMAL: {
656  if (HasRoadWorks(tile)) return_cmd_error(STR_ERROR_ROAD_WORKS_IN_PROGRESS);
657 
658  other_bits = GetRoadBits(tile, OtherRoadTramType(rtt));
659  if (!HasTileRoadType(tile, rtt)) break;
660 
661  existing = GetRoadBits(tile, rtt);
662  bool crossing = !IsStraightRoad(existing | pieces);
663  if (rtt == RTT_ROAD && (GetDisallowedRoadDirections(tile) != DRD_NONE || toggle_drd != DRD_NONE) && crossing) {
664  /* Junctions cannot be one-way */
665  return_cmd_error(STR_ERROR_ONEWAY_ROADS_CAN_T_HAVE_JUNCTION);
666  }
667  if ((existing & pieces) == pieces) {
668  /* We only want to set the (dis)allowed road directions */
669  if (toggle_drd != DRD_NONE && rtt == RTT_ROAD) {
670  if (crossing) return_cmd_error(STR_ERROR_ONEWAY_ROADS_CAN_T_HAVE_JUNCTION);
671 
672  Owner owner = GetRoadOwner(tile, rtt);
673  if (owner != OWNER_NONE) {
674  CommandCost ret = CheckOwnership(owner, tile);
675  if (ret.Failed()) return ret;
676  }
677 
679  DisallowedRoadDirections dis_new = dis_existing ^ toggle_drd;
680 
681  /* We allow removing disallowed directions to break up
682  * deadlocks, but adding them can break articulated
683  * vehicles. As such, only when less is disallowed,
684  * i.e. bits are removed, we skip the vehicle check. */
685  if (CountBits(dis_existing) <= CountBits(dis_new)) {
687  if (ret.Failed()) return ret;
688  }
689 
690  /* Ignore half built tiles */
691  if ((flags & DC_EXEC) && IsStraightRoad(existing)) {
692  SetDisallowedRoadDirections(tile, dis_new);
693  MarkTileDirtyByTile(tile);
694  }
695  return CommandCost();
696  }
697  return_cmd_error(STR_ERROR_ALREADY_BUILT);
698  }
699  /* Disallow breaking end-of-line of someone else
700  * so trams can still reverse on this tile. */
701  if (rtt == RTT_TRAM && HasExactlyOneBit(existing)) {
702  Owner owner = GetRoadOwner(tile, rtt);
703  if (Company::IsValidID(owner)) {
704  CommandCost ret = CheckOwnership(owner);
705  if (ret.Failed()) return ret;
706  }
707  }
708  break;
709  }
710 
711  case ROAD_TILE_CROSSING:
712  if (RoadNoLevelCrossing(rt)) {
713  return_cmd_error(STR_ERROR_CROSSING_DISALLOWED_ROAD);
714  }
715 
716  other_bits = GetCrossingRoadBits(tile);
717  if (pieces & ComplementRoadBits(other_bits)) goto do_clear;
718  pieces = other_bits; // we need to pay for both roadbits
719 
720  if (HasTileRoadType(tile, rtt)) return_cmd_error(STR_ERROR_ALREADY_BUILT);
721  break;
722 
723  case ROAD_TILE_DEPOT:
724  if ((GetAnyRoadBits(tile, rtt) & pieces) == pieces) return_cmd_error(STR_ERROR_ALREADY_BUILT);
725  goto do_clear;
726 
727  default: NOT_REACHED();
728  }
729  break;
730 
731  case MP_RAILWAY: {
732  if (IsSteepSlope(tileh)) {
733  return_cmd_error(STR_ERROR_LAND_SLOPED_IN_WRONG_DIRECTION);
734  }
735 
736  /* Level crossings may only be built on these slopes */
737  if (!HasBit(VALID_LEVEL_CROSSING_SLOPES, tileh)) {
738  return_cmd_error(STR_ERROR_LAND_SLOPED_IN_WRONG_DIRECTION);
739  }
740 
741  if (GetRailTileType(tile) != RAIL_TILE_NORMAL) goto do_clear;
742 
743  if (RoadNoLevelCrossing(rt)) {
744  return_cmd_error(STR_ERROR_CROSSING_DISALLOWED_ROAD);
745  }
746 
747  if (RailNoLevelCrossings(GetRailType(tile))) {
748  return_cmd_error(STR_ERROR_CROSSING_DISALLOWED_RAIL);
749  }
750 
751  Axis roaddir;
752  switch (GetTrackBits(tile)) {
753  case TRACK_BIT_X:
754  if (pieces & ROAD_X) goto do_clear;
755  roaddir = AXIS_Y;
756  break;
757 
758  case TRACK_BIT_Y:
759  if (pieces & ROAD_Y) goto do_clear;
760  roaddir = AXIS_X;
761  break;
762 
763  default: goto do_clear;
764  }
765 
767  if (ret.Failed()) return ret;
768 
769  if (flags & DC_EXEC) {
770  Track railtrack = AxisToTrack(OtherAxis(roaddir));
771  YapfNotifyTrackLayoutChange(tile, railtrack);
772  /* Update company infrastructure counts. A level crossing has two road bits. */
773  UpdateCompanyRoadInfrastructure(rt, company, 2);
774 
775  /* Update rail count for level crossings. The plain track is already
776  * counted, so only add the difference to the level crossing cost. */
778  if (c != nullptr) {
781  }
782 
783  /* Always add road to the roadtypes (can't draw without it) */
784  bool reserved = HasBit(GetRailReservationTrackBits(tile), railtrack);
785  MakeRoadCrossing(tile, company, company, GetTileOwner(tile), roaddir, GetRailType(tile), rtt == RTT_ROAD ? rt : INVALID_ROADTYPE, (rtt == RTT_TRAM) ? rt : INVALID_ROADTYPE, p2);
786  SetCrossingReservation(tile, reserved);
787  UpdateLevelCrossing(tile, false);
788  MarkTileDirtyByTile(tile);
789  }
791  }
792 
793  case MP_STATION: {
794  if ((GetAnyRoadBits(tile, rtt) & pieces) == pieces) return_cmd_error(STR_ERROR_ALREADY_BUILT);
795  if (!IsDriveThroughStopTile(tile)) goto do_clear;
796 
798  if (pieces & ~curbits) goto do_clear;
799  pieces = curbits; // we need to pay for both roadbits
800 
801  if (HasTileRoadType(tile, rtt)) return_cmd_error(STR_ERROR_ALREADY_BUILT);
802  break;
803  }
804 
805  case MP_TUNNELBRIDGE: {
806  if (GetTunnelBridgeTransportType(tile) != TRANSPORT_ROAD) goto do_clear;
807  /* Only allow building the outern roadbit, so building long roads stops at existing bridges */
808  if (MirrorRoadBits(DiagDirToRoadBits(GetTunnelBridgeDirection(tile))) != pieces) goto do_clear;
809  if (HasTileRoadType(tile, rtt)) return_cmd_error(STR_ERROR_ALREADY_BUILT);
810  /* Don't allow adding roadtype to the bridge/tunnel when vehicles are already driving on it */
812  if (ret.Failed()) return ret;
813  break;
814  }
815 
816  default: {
817 do_clear:;
818  need_to_clear = true;
819  break;
820  }
821  }
822 
823  if (need_to_clear) {
824  CommandCost ret = DoCommand(tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR);
825  if (ret.Failed()) return ret;
826  cost.AddCost(ret);
827  }
828 
829  if (other_bits != pieces) {
830  /* Check the foundation/slopes when adding road/tram bits */
831  CommandCost ret = CheckRoadSlope(tileh, &pieces, existing, other_bits);
832  /* Return an error if we need to build a foundation (ret != 0) but the
833  * current setting is turned off */
834  if (ret.Failed() || (ret.GetCost() != 0 && !_settings_game.construction.build_on_slopes)) {
835  return_cmd_error(STR_ERROR_LAND_SLOPED_IN_WRONG_DIRECTION);
836  }
837  cost.AddCost(ret);
838  }
839 
840  if (!need_to_clear) {
841  if (IsTileType(tile, MP_ROAD)) {
842  /* Don't put the pieces that already exist */
843  pieces &= ComplementRoadBits(existing);
844 
845  /* Check if new road bits will have the same foundation as other existing road types */
846  if (IsNormalRoad(tile)) {
847  Slope slope = GetTileSlope(tile);
848  Foundation found_new = GetRoadFoundation(slope, pieces | existing);
849 
850  RoadBits bits = GetRoadBits(tile, OtherRoadTramType(rtt));
851  /* do not check if there are not road bits of given type */
852  if (bits != ROAD_NONE && GetRoadFoundation(slope, bits) != found_new) {
853  return_cmd_error(STR_ERROR_LAND_SLOPED_IN_WRONG_DIRECTION);
854  }
855  }
856  }
857 
859  if (ret.Failed()) return ret;
860 
861  if (IsNormalRoadTile(tile)) {
862  /* If the road types don't match, try to convert only if vehicles of
863  * the new road type are not powered on the present road type and vehicles of
864  * the present road type are powered on the new road type. */
865  RoadType existing_rt = GetRoadType(tile, rtt);
866  if (existing_rt != INVALID_ROADTYPE && existing_rt != rt) {
867  if (HasPowerOnRoad(rt, existing_rt)) {
868  rt = existing_rt;
869  } else if (HasPowerOnRoad(existing_rt, rt)) {
870  CommandCost ret = DoCommand(tile, tile, rt, flags, CMD_CONVERT_ROAD);
871  if (ret.Failed()) return ret;
872  cost.AddCost(ret);
873  } else {
874  return CMD_ERROR;
875  }
876  }
877  }
878  }
879 
880  uint num_pieces = (!need_to_clear && IsTileType(tile, MP_TUNNELBRIDGE)) ?
881  /* There are 2 pieces on *every* tile of the bridge or tunnel */
882  2 * (GetTunnelBridgeLength(GetOtherTunnelBridgeEnd(tile), tile) + 2) :
883  /* Count pieces */
884  CountBits(pieces);
885 
886  cost.AddCost(num_pieces * RoadBuildCost(rt));
887 
888  if (flags & DC_EXEC) {
889  switch (GetTileType(tile)) {
890  case MP_ROAD: {
891  RoadTileType rttype = GetRoadTileType(tile);
892  if (existing == ROAD_NONE || rttype == ROAD_TILE_CROSSING) {
893  SetRoadType(tile, rtt, rt);
894  SetRoadOwner(tile, rtt, company);
895  if (rtt == RTT_ROAD) SetTownIndex(tile, p2);
896  }
897  if (rttype != ROAD_TILE_CROSSING) SetRoadBits(tile, existing | pieces, rtt);
898  break;
899  }
900 
901  case MP_TUNNELBRIDGE: {
902  TileIndex other_end = GetOtherTunnelBridgeEnd(tile);
903 
904  SetRoadType(other_end, rtt, rt);
905  SetRoadType(tile, rtt, rt);
906  SetRoadOwner(other_end, rtt, company);
907  SetRoadOwner(tile, rtt, company);
908 
909  /* Mark tiles dirty that have been repaved */
910  if (IsBridge(tile)) {
911  MarkBridgeDirty(tile);
912  } else {
913  MarkTileDirtyByTile(other_end);
914  MarkTileDirtyByTile(tile);
915  }
916  break;
917  }
918 
919  case MP_STATION: {
920  assert(IsDriveThroughStopTile(tile));
921  SetRoadType(tile, rtt, rt);
922  SetRoadOwner(tile, rtt, company);
923  break;
924  }
925 
926  default:
927  MakeRoadNormal(tile, pieces, (rtt == RTT_ROAD) ? rt : INVALID_ROADTYPE, (rtt == RTT_TRAM) ? rt : INVALID_ROADTYPE, p2, company, company);
928  break;
929  }
930 
931  /* Update company infrastructure count. */
932  if (IsTileType(tile, MP_TUNNELBRIDGE)) num_pieces *= TUNNELBRIDGE_TRACKBIT_FACTOR;
933  UpdateCompanyRoadInfrastructure(rt, GetRoadOwner(tile, rtt), num_pieces);
934 
935  if (rtt == RTT_ROAD && IsNormalRoadTile(tile)) {
936  existing |= pieces;
938  GetDisallowedRoadDirections(tile) ^ toggle_drd : DRD_NONE);
939  }
940 
941  MarkTileDirtyByTile(tile);
942  }
943  return cost;
944 }
945 
954 {
955  tile += TileOffsByDiagDir(dir);
956  if (!IsValidTile(tile) || !MayHaveRoad(tile)) return false;
957 
958  RoadTramType rtt = GetRoadTramType(rt);
959  RoadType existing = GetRoadType(tile, rtt);
960  if (existing == INVALID_ROADTYPE) return false;
961  if (!HasPowerOnRoad(existing, rt) && !HasPowerOnRoad(rt, existing)) return false;
962 
963  RoadBits bits = GetAnyRoadBits(tile, rtt, false);
964  return (bits & DiagDirToRoadBits(ReverseDiagDir(dir))) != 0;
965 }
966 
984 CommandCost CmdBuildLongRoad(TileIndex start_tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
985 {
987 
988  if (p1 >= MapSize()) return CMD_ERROR;
989  TileIndex end_tile = p1;
990 
991  RoadType rt = Extract<RoadType, 3, 6>(p2);
992  if (!ValParamRoadType(rt)) return CMD_ERROR;
993 
994  Axis axis = Extract<Axis, 2, 1>(p2);
995  /* Only drag in X or Y direction dictated by the direction variable */
996  if (axis == AXIS_X && TileY(start_tile) != TileY(end_tile)) return CMD_ERROR; // x-axis
997  if (axis == AXIS_Y && TileX(start_tile) != TileX(end_tile)) return CMD_ERROR; // y-axis
998 
999  DiagDirection dir = AxisToDiagDir(axis);
1000 
1001  /* Swap direction, also the half-tile drag var (bit 0 and 1) */
1002  if (start_tile > end_tile || (start_tile == end_tile && HasBit(p2, 0))) {
1003  dir = ReverseDiagDir(dir);
1004  p2 ^= 3;
1005  drd = DRD_SOUTHBOUND;
1006  }
1007 
1008  /* On the X-axis, we have to swap the initial bits, so they
1009  * will be interpreted correctly in the GTTS. Furthermore
1010  * when you just 'click' on one tile to build them. */
1011  if ((axis == AXIS_Y) == (start_tile == end_tile && HasBit(p2, 0) == HasBit(p2, 1))) drd ^= DRD_BOTH;
1012  /* No disallowed direction bits have to be toggled */
1013  if (!HasBit(p2, 10)) drd = DRD_NONE;
1014 
1016  CommandCost last_error = CMD_ERROR;
1017  TileIndex tile = start_tile;
1018  bool had_bridge = false;
1019  bool had_tunnel = false;
1020  bool had_success = false;
1021  bool is_ai = HasBit(p2, 11);
1022 
1023  /* Start tile is the first tile clicked by the user. */
1024  for (;;) {
1025  RoadBits bits = AxisToRoadBits(axis);
1026 
1027  /* Determine which road parts should be built. */
1028  if (!is_ai && start_tile != end_tile) {
1029  /* Only build the first and last roadbit if they can connect to something. */
1030  if (tile == end_tile && !CanConnectToRoad(tile, rt, dir)) {
1031  bits = DiagDirToRoadBits(ReverseDiagDir(dir));
1032  } else if (tile == start_tile && !CanConnectToRoad(tile, rt, ReverseDiagDir(dir))) {
1033  bits = DiagDirToRoadBits(dir);
1034  }
1035  } else {
1036  /* Road parts only have to be built at the start tile or at the end tile. */
1037  if (tile == end_tile && !HasBit(p2, 1)) bits &= DiagDirToRoadBits(ReverseDiagDir(dir));
1038  if (tile == start_tile && HasBit(p2, 0)) bits &= DiagDirToRoadBits(dir);
1039  }
1040 
1041  CommandCost ret = DoCommand(tile, drd << 11 | rt << 4 | bits, 0, flags, CMD_BUILD_ROAD);
1042  if (ret.Failed()) {
1043  last_error = ret;
1044  if (last_error.GetErrorMessage() != STR_ERROR_ALREADY_BUILT) {
1045  if (is_ai) return last_error;
1046  break;
1047  }
1048  } else {
1049  had_success = true;
1050  /* Only pay for the upgrade on one side of the bridges and tunnels */
1051  if (IsTileType(tile, MP_TUNNELBRIDGE)) {
1052  if (IsBridge(tile)) {
1053  if (!had_bridge || GetTunnelBridgeDirection(tile) == dir) {
1054  cost.AddCost(ret);
1055  }
1056  had_bridge = true;
1057  } else { // IsTunnel(tile)
1058  if (!had_tunnel || GetTunnelBridgeDirection(tile) == dir) {
1059  cost.AddCost(ret);
1060  }
1061  had_tunnel = true;
1062  }
1063  } else {
1064  cost.AddCost(ret);
1065  }
1066  }
1067 
1068  if (tile == end_tile) break;
1069 
1070  tile += TileOffsByDiagDir(dir);
1071  }
1072 
1073  return had_success ? cost : last_error;
1074 }
1075 
1089 CommandCost CmdRemoveLongRoad(TileIndex start_tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
1090 {
1092 
1093  if (p1 >= MapSize()) return CMD_ERROR;
1094 
1095  TileIndex end_tile = p1;
1096  RoadType rt = Extract<RoadType, 3, 6>(p2);
1097  if (!ValParamRoadType(rt)) return CMD_ERROR;
1098 
1099  Axis axis = Extract<Axis, 2, 1>(p2);
1100  /* Only drag in X or Y direction dictated by the direction variable */
1101  if (axis == AXIS_X && TileY(start_tile) != TileY(end_tile)) return CMD_ERROR; // x-axis
1102  if (axis == AXIS_Y && TileX(start_tile) != TileX(end_tile)) return CMD_ERROR; // y-axis
1103 
1104  /* Swap start and ending tile, also the half-tile drag var (bit 0 and 1) */
1105  if (start_tile > end_tile || (start_tile == end_tile && HasBit(p2, 0))) {
1106  TileIndex t = start_tile;
1107  start_tile = end_tile;
1108  end_tile = t;
1109  p2 ^= IsInsideMM(p2 & 3, 1, 3) ? 3 : 0;
1110  }
1111 
1112  Money money_available = GetAvailableMoneyForCommand();
1113  Money money_spent = 0;
1114  TileIndex tile = start_tile;
1115  CommandCost last_error = CMD_ERROR;
1116  bool had_success = false;
1117  /* Start tile is the small number. */
1118  for (;;) {
1119  RoadBits bits = AxisToRoadBits(axis);
1120 
1121  if (tile == end_tile && !HasBit(p2, 1)) bits &= ROAD_NW | ROAD_NE;
1122  if (tile == start_tile && HasBit(p2, 0)) bits &= ROAD_SE | ROAD_SW;
1123 
1124  /* try to remove the halves. */
1125  if (bits != 0) {
1126  RoadTramType rtt = GetRoadTramType(rt);
1127  CommandCost ret = RemoveRoad(tile, flags & ~DC_EXEC, bits, rtt, true);
1128  if (ret.Succeeded()) {
1129  if (flags & DC_EXEC) {
1130  money_spent += ret.GetCost();
1131  if (money_spent > 0 && money_spent > money_available) {
1132  _additional_cash_required = DoCommand(start_tile, end_tile, p2, flags & ~DC_EXEC, CMD_REMOVE_LONG_ROAD).GetCost();
1133  return cost;
1134  }
1135  RemoveRoad(tile, flags, bits, rtt, true, false);
1136  }
1137  cost.AddCost(ret);
1138  had_success = true;
1139  } else {
1140  /* Ownership errors are more important. */
1141  if (last_error.GetErrorMessage() != STR_ERROR_OWNED_BY) last_error = ret;
1142  }
1143  }
1144 
1145  if (tile == end_tile) break;
1146 
1147  tile += (axis == AXIS_Y) ? TileDiffXY(0, 1) : TileDiffXY(1, 0);
1148  }
1149 
1150  return had_success ? cost : last_error;
1151 }
1152 
1166 CommandCost CmdBuildRoadDepot(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
1167 {
1168  DiagDirection dir = Extract<DiagDirection, 0, 2>(p1);
1169 
1170  RoadType rt = Extract<RoadType, 2, 6>(p1);
1171  if (!ValParamRoadType(rt)) return CMD_ERROR;
1172 
1174 
1175  Slope tileh = GetTileSlope(tile);
1176  if (tileh != SLOPE_FLAT) {
1178  return_cmd_error(STR_ERROR_FLAT_LAND_REQUIRED);
1179  }
1180  cost.AddCost(_price[PR_BUILD_FOUNDATION]);
1181  }
1182 
1183  cost.AddCost(DoCommand(tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR));
1184  if (cost.Failed()) return cost;
1185 
1186  if (IsBridgeAbove(tile)) return_cmd_error(STR_ERROR_MUST_DEMOLISH_BRIDGE_FIRST);
1187 
1188  if (!Depot::CanAllocateItem()) return CMD_ERROR;
1189 
1190  if (flags & DC_EXEC) {
1191  Depot *dep = new Depot(tile);
1192  dep->build_date = _date;
1193 
1194  /* A road depot has two road bits. */
1196 
1197  MakeRoadDepot(tile, _current_company, dep->index, dir, rt);
1198  MarkTileDirtyByTile(tile);
1199  MakeDefaultName(dep);
1200  }
1201  cost.AddCost(_price[PR_BUILD_DEPOT_ROAD]);
1202  return cost;
1203 }
1204 
1205 static CommandCost RemoveRoadDepot(TileIndex tile, DoCommandFlag flags)
1206 {
1207  if (_current_company != OWNER_WATER) {
1208  CommandCost ret = CheckTileOwnership(tile);
1209  if (ret.Failed()) return ret;
1210  }
1211 
1213  if (ret.Failed()) return ret;
1214 
1215  if (flags & DC_EXEC) {
1217  if (c != nullptr) {
1218  /* A road depot has two road bits. */
1219  RoadType rt = GetRoadTypeRoad(tile);
1220  if (rt == INVALID_ROADTYPE) rt = GetRoadTypeTram(tile);
1223  }
1224 
1225  delete Depot::GetByTile(tile);
1226  DoClearSquare(tile);
1227  }
1228 
1229  return CommandCost(EXPENSES_CONSTRUCTION, _price[PR_CLEAR_DEPOT_ROAD]);
1230 }
1231 
1232 static CommandCost ClearTile_Road(TileIndex tile, DoCommandFlag flags)
1233 {
1234  switch (GetRoadTileType(tile)) {
1235  case ROAD_TILE_NORMAL: {
1236  RoadBits b = GetAllRoadBits(tile);
1237 
1238  /* Clear the road if only one piece is on the tile OR we are not using the DC_AUTO flag */
1239  if ((HasExactlyOneBit(b) && GetRoadBits(tile, RTT_TRAM) == ROAD_NONE) || !(flags & DC_AUTO)) {
1241  FOR_ALL_ROADTRAMTYPES(rtt) {
1242  if (!MayHaveRoad(tile) || GetRoadType(tile, rtt) == INVALID_ROADTYPE) continue;
1243 
1244  CommandCost tmp_ret = RemoveRoad(tile, flags, GetRoadBits(tile, rtt), rtt, true);
1245  if (tmp_ret.Failed()) return tmp_ret;
1246  ret.AddCost(tmp_ret);
1247  }
1248  return ret;
1249  }
1250  return_cmd_error(STR_ERROR_MUST_REMOVE_ROAD_FIRST);
1251  }
1252 
1253  case ROAD_TILE_CROSSING: {
1255 
1256  if (flags & DC_AUTO) return_cmd_error(STR_ERROR_MUST_REMOVE_ROAD_FIRST);
1257 
1258  /* Must iterate over the roadtypes in a reverse manner because
1259  * tram tracks must be removed before the road bits. */
1260  for (RoadTramType rtt : { RTT_TRAM, RTT_ROAD }) {
1261  if (!MayHaveRoad(tile) || GetRoadType(tile, rtt) == INVALID_ROADTYPE) continue;
1262 
1263  CommandCost tmp_ret = RemoveRoad(tile, flags, GetCrossingRoadBits(tile), rtt, false);
1264  if (tmp_ret.Failed()) return tmp_ret;
1265  ret.AddCost(tmp_ret);
1266  }
1267 
1268  if (flags & DC_EXEC) {
1269  DoCommand(tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR);
1270  }
1271  return ret;
1272  }
1273 
1274  default:
1275  case ROAD_TILE_DEPOT:
1276  if (flags & DC_AUTO) {
1277  return_cmd_error(STR_ERROR_BUILDING_MUST_BE_DEMOLISHED);
1278  }
1279  return RemoveRoadDepot(tile, flags);
1280  }
1281 }
1282 
1283 
1285  uint16 image;
1286  byte subcoord_x;
1287  byte subcoord_y;
1288 };
1289 
1290 #include "table/road_land.h"
1291 
1300 {
1301  /* Flat land and land without a road doesn't require a foundation */
1302  if (tileh == SLOPE_FLAT || bits == ROAD_NONE) return FOUNDATION_NONE;
1303 
1304  /* Steep slopes behave the same as slopes with one corner raised. */
1305  if (IsSteepSlope(tileh)) {
1307  }
1308 
1309  /* Leveled RoadBits on a slope */
1310  if ((_invalid_tileh_slopes_road[0][tileh] & bits) == ROAD_NONE) return FOUNDATION_LEVELED;
1311 
1312  /* Straight roads without foundation on a slope */
1313  if (!IsSlopeWithOneCornerRaised(tileh) &&
1314  (_invalid_tileh_slopes_road[1][tileh] & bits) == ROAD_NONE)
1315  return FOUNDATION_NONE;
1316 
1317  /* Roads on steep Slopes or on Slopes with one corner raised */
1318  return (bits == ROAD_X ? FOUNDATION_INCLINED_X : FOUNDATION_INCLINED_Y);
1319 }
1320 
1321 const byte _road_sloped_sprites[14] = {
1322  0, 0, 2, 0,
1323  0, 1, 0, 0,
1324  3, 0, 0, 0,
1325  0, 0
1326 };
1327 
1334 static uint GetRoadSpriteOffset(Slope slope, RoadBits bits)
1335 {
1336  if (slope != SLOPE_FLAT) {
1337  switch (slope) {
1338  case SLOPE_NE: return 11;
1339  case SLOPE_SE: return 12;
1340  case SLOPE_SW: return 13;
1341  case SLOPE_NW: return 14;
1342  default: NOT_REACHED();
1343  }
1344  } else {
1345  static const uint offsets[] = {
1346  0, 18, 17, 7,
1347  16, 0, 10, 5,
1348  15, 8, 1, 4,
1349  9, 3, 6, 2
1350  };
1351  return offsets[bits];
1352  }
1353 }
1354 
1364 static bool DrawRoadAsSnowDesert(TileIndex tile, Roadside roadside)
1365 {
1366  return (IsOnSnow(tile) &&
1367  !(_settings_game.game_creation.landscape == LT_TROPIC && HasGrfMiscBit(GMB_DESERT_PAVED_ROADS) &&
1368  roadside != ROADSIDE_BARREN && roadside != ROADSIDE_GRASS && roadside != ROADSIDE_GRASS_ROAD_WORKS));
1369 }
1370 
1378 {
1379  /* Don't draw the catenary under a low bridge */
1381  int height = GetBridgeHeight(GetNorthernBridgeEnd(ti->tile));
1382 
1383  if (height <= GetTileMaxZ(ti->tile) + 1) return;
1384  }
1385 
1386  if (CountBits(rb) > 2) {
1387  /* On junctions we check whether neighbouring tiles also have catenary, and possibly
1388  * do not draw catenary towards those neighbours, which do not have catenary. */
1389  RoadBits rb_new = ROAD_NONE;
1390  for (DiagDirection dir = DIAGDIR_BEGIN; dir < DIAGDIR_END; dir++) {
1391  if (rb & DiagDirToRoadBits(dir)) {
1392  TileIndex neighbour = TileAddByDiagDir(ti->tile, dir);
1393  if (MayHaveRoad(neighbour)) {
1394  RoadType rt_road = GetRoadTypeRoad(neighbour);
1395  RoadType rt_tram = GetRoadTypeTram(neighbour);
1396 
1397  if ((rt_road != INVALID_ROADTYPE && HasRoadCatenary(rt_road)) ||
1398  (rt_tram != INVALID_ROADTYPE && HasRoadCatenary(rt_tram))) {
1399  rb_new |= DiagDirToRoadBits(dir);
1400  }
1401  }
1402  }
1403  }
1404  if (CountBits(rb_new) >= 2) rb = rb_new;
1405  }
1406 
1407  const RoadTypeInfo* rti = GetRoadTypeInfo(rt);
1410 
1411  if (front != 0 || back != 0) {
1412  if (front != 0) front += GetRoadSpriteOffset(ti->tileh, rb);
1413  if (back != 0) back += GetRoadSpriteOffset(ti->tileh, rb);
1414  } else if (ti->tileh != SLOPE_FLAT) {
1415  back = SPR_TRAMWAY_BACK_WIRES_SLOPED + _road_sloped_sprites[ti->tileh - 1];
1416  front = SPR_TRAMWAY_FRONT_WIRES_SLOPED + _road_sloped_sprites[ti->tileh - 1];
1417  } else {
1418  back = SPR_TRAMWAY_BASE + _road_backpole_sprites_1[rb];
1419  front = SPR_TRAMWAY_BASE + _road_frontwire_sprites_1[rb];
1420  }
1421 
1422  /* Catenary uses 1st company colour to help identify owner.
1423  * For tiles with OWNER_TOWN or OWNER_NONE, recolour CC to grey as a neutral colour. */
1424  Owner owner = GetRoadOwner(ti->tile, GetRoadTramType(rt));
1425  PaletteID pal = (owner == OWNER_NONE || owner == OWNER_TOWN ? GENERAL_SPRITE_COLOUR(COLOUR_GREY) : COMPANY_SPRITE_COLOUR(owner));
1426  int z_wires = (ti->tileh == SLOPE_FLAT ? 0 : TILE_HEIGHT) + BB_HEIGHT_UNDER_BRIDGE;
1427  if (back != 0) {
1428  /* The "back" sprite contains the west, north and east pillars.
1429  * We cut the sprite at 3/8 of the west/east edges to create 3 sprites.
1430  * 3/8 is chosen so that sprites can somewhat graphically extend into the tile. */
1431  static const int INF = 1000;
1432  static const SubSprite west = { -INF, -INF, -12, INF };
1433  static const SubSprite north = { -12, -INF, 12, INF };
1434  static const SubSprite east = { 12, -INF, INF, INF };
1435  AddSortableSpriteToDraw(back, pal, ti->x, ti->y, 16, 1, z_wires, ti->z, IsTransparencySet(TO_CATENARY), 15, 0, GetSlopePixelZInCorner(ti->tileh, CORNER_W), &west);
1436  AddSortableSpriteToDraw(back, pal, ti->x, ti->y, 1, 1, z_wires, ti->z, IsTransparencySet(TO_CATENARY), 0, 0, GetSlopePixelZInCorner(ti->tileh, CORNER_N), &north);
1437  AddSortableSpriteToDraw(back, pal, ti->x, ti->y, 1, 16, z_wires, ti->z, IsTransparencySet(TO_CATENARY), 0, 15, GetSlopePixelZInCorner(ti->tileh, CORNER_E), &east);
1438  }
1439  if (front != 0) {
1440  /* Draw the "front" sprite (containing south pillar and wires) at a Z height that is both above the vehicles and above the "back" pillars. */
1441  AddSortableSpriteToDraw(front, pal, ti->x, ti->y, 16, 16, z_wires + 1, ti->z, IsTransparencySet(TO_CATENARY), 0, 0, z_wires);
1442  }
1443 }
1444 
1450 {
1451  RoadBits road = ROAD_NONE;
1452  RoadBits tram = ROAD_NONE;
1453 
1454  if (IsTileType(ti->tile, MP_ROAD)) {
1455  if (IsNormalRoad(ti->tile)) {
1456  road = GetRoadBits(ti->tile, RTT_ROAD);
1457  tram = GetRoadBits(ti->tile, RTT_TRAM);
1458  } else if (IsLevelCrossing(ti->tile)) {
1459  tram = road = (GetCrossingRailAxis(ti->tile) == AXIS_Y ? ROAD_X : ROAD_Y);
1460  }
1461  } else if (IsTileType(ti->tile, MP_STATION)) {
1462  if (IsRoadStop(ti->tile)) {
1463  if (IsDriveThroughStopTile(ti->tile)) {
1464  Axis axis = GetRoadStopDir(ti->tile) == DIAGDIR_NE ? AXIS_X : AXIS_Y;
1465  tram = road = (axis == AXIS_X ? ROAD_X : ROAD_Y);
1466  } else {
1467  tram = road = DiagDirToRoadBits(GetRoadStopDir(ti->tile));
1468  }
1469  }
1470  } else {
1471  // No road here, no catenary to draw
1472  return;
1473  }
1474 
1475  RoadType rt = GetRoadTypeRoad(ti->tile);
1476  if (rt != INVALID_ROADTYPE && HasRoadCatenaryDrawn(rt)) {
1477  DrawRoadTypeCatenary(ti, rt, road);
1478  }
1479 
1480  rt = GetRoadTypeTram(ti->tile);
1481  if (rt != INVALID_ROADTYPE && HasRoadCatenaryDrawn(rt)) {
1482  DrawRoadTypeCatenary(ti, rt, tram);
1483  }
1484 }
1485 
1495 static void DrawRoadDetail(SpriteID img, const TileInfo *ti, int dx, int dy, int h, bool transparent)
1496 {
1497  int x = ti->x | dx;
1498  int y = ti->y | dy;
1499  int z = ti->z;
1500  if (ti->tileh != SLOPE_FLAT) z = GetSlopePixelZ(x, y);
1501  AddSortableSpriteToDraw(img, PAL_NONE, x, y, 2, 2, h, z, transparent);
1502 }
1503 
1512 void DrawRoadOverlays(const TileInfo *ti, PaletteID pal, const RoadTypeInfo *road_rti, const RoadTypeInfo *tram_rti, uint road_offset, uint tram_offset)
1513 {
1514  /* Road underlay takes precedence over tram */
1515  if (road_rti != nullptr) {
1516  if (road_rti->UsesOverlay()) {
1517  SpriteID ground = GetCustomRoadSprite(road_rti, ti->tile, ROTSG_GROUND);
1518  DrawGroundSprite(ground + road_offset, pal);
1519  }
1520  } else {
1521  if (tram_rti->UsesOverlay()) {
1522  SpriteID ground = GetCustomRoadSprite(tram_rti, ti->tile, ROTSG_GROUND);
1523  DrawGroundSprite(ground + tram_offset, pal);
1524  } else {
1525  DrawGroundSprite(SPR_TRAMWAY_TRAM + tram_offset, pal);
1526  }
1527  }
1528 
1529  /* Draw road overlay */
1530  if (road_rti != nullptr) {
1531  if (road_rti->UsesOverlay()) {
1532  SpriteID ground = GetCustomRoadSprite(road_rti, ti->tile, ROTSG_OVERLAY);
1533  if (ground != 0) DrawGroundSprite(ground + road_offset, pal);
1534  }
1535  }
1536 
1537  /* Draw tram overlay */
1538  if (tram_rti != nullptr) {
1539  if (tram_rti->UsesOverlay()) {
1540  SpriteID ground = GetCustomRoadSprite(tram_rti, ti->tile, ROTSG_OVERLAY);
1541  if (ground != 0) DrawGroundSprite(ground + tram_offset, pal);
1542  } else if (road_rti != nullptr) {
1543  DrawGroundSprite(SPR_TRAMWAY_OVERLAY + tram_offset, pal);
1544  }
1545  }
1546 }
1547 
1556 static SpriteID GetRoadGroundSprite(const TileInfo *ti, Roadside roadside, const RoadTypeInfo *rti, uint offset, PaletteID *pal)
1557 {
1558  /* Draw bare ground sprite if no road or road uses overlay system. */
1559  if (rti == nullptr || rti->UsesOverlay()) {
1560  if (DrawRoadAsSnowDesert(ti->tile, roadside)) {
1561  return SPR_FLAT_SNOW_DESERT_TILE + SlopeToSpriteOffset(ti->tileh);
1562  }
1563 
1564  switch (roadside) {
1566  return SPR_FLAT_GRASS_TILE + SlopeToSpriteOffset(ti->tileh);
1567  case ROADSIDE_GRASS:
1568  case ROADSIDE_GRASS_ROAD_WORKS: return SPR_FLAT_GRASS_TILE + SlopeToSpriteOffset(ti->tileh);
1569  default: break; // Paved
1570  }
1571  }
1572 
1573  /* Draw original road base sprite */
1574  SpriteID image = SPR_ROAD_Y + offset;
1575  if (DrawRoadAsSnowDesert(ti->tile, roadside)) {
1576  image += 19;
1577  } else {
1578  switch (roadside) {
1579  case ROADSIDE_BARREN: *pal = PALETTE_TO_BARE_LAND; break;
1580  case ROADSIDE_GRASS: break;
1581  case ROADSIDE_GRASS_ROAD_WORKS: break;
1582  default: image -= 19; break; // Paved
1583  }
1584  }
1585 
1586  return image;
1587 }
1588 
1593 static void DrawRoadBits(TileInfo *ti)
1594 {
1595  RoadBits road = GetRoadBits(ti->tile, RTT_ROAD);
1596  RoadBits tram = GetRoadBits(ti->tile, RTT_TRAM);
1597 
1598  RoadType road_rt = GetRoadTypeRoad(ti->tile);
1599  RoadType tram_rt = GetRoadTypeTram(ti->tile);
1600  const RoadTypeInfo *road_rti = road_rt == INVALID_ROADTYPE ? nullptr : GetRoadTypeInfo(road_rt);
1601  const RoadTypeInfo *tram_rti = tram_rt == INVALID_ROADTYPE ? nullptr : GetRoadTypeInfo(tram_rt);
1602 
1603  if (ti->tileh != SLOPE_FLAT) {
1604  DrawFoundation(ti, GetRoadFoundation(ti->tileh, road | tram));
1605  /* DrawFoundation() modifies ti. */
1606  }
1607 
1608  /* Determine sprite offsets */
1609  uint road_offset = GetRoadSpriteOffset(ti->tileh, road);
1610  uint tram_offset = GetRoadSpriteOffset(ti->tileh, tram);
1611 
1612  /* Draw baseset underlay */
1613  Roadside roadside = GetRoadside(ti->tile);
1614 
1615  PaletteID pal = PAL_NONE;
1616  SpriteID image = GetRoadGroundSprite(ti, roadside, road_rti, road == ROAD_NONE ? tram_offset : road_offset, &pal);
1617  DrawGroundSprite(image, pal);
1618 
1619  DrawRoadOverlays(ti, pal, road_rti, tram_rti, road_offset, tram_offset);
1620 
1621  /* Draw one way */
1622  if (road_rti != nullptr) {
1624  if (drd != DRD_NONE) {
1625  DrawGroundSpriteAt(SPR_ONEWAY_BASE + drd - 1 + ((road == ROAD_X) ? 0 : 3), PAL_NONE, 8, 8, GetPartialPixelZ(8, 8, ti->tileh));
1626  }
1627  }
1628 
1629  if (HasRoadWorks(ti->tile)) {
1630  /* Road works */
1631  DrawGroundSprite((road | tram) & ROAD_X ? SPR_EXCAVATION_X : SPR_EXCAVATION_Y, PAL_NONE);
1632  return;
1633  }
1634 
1635  /* Draw road, tram catenary */
1636  DrawRoadCatenary(ti);
1637 
1638  /* Return if full detail is disabled, or we are zoomed fully out. */
1639  if (!HasBit(_display_opt, DO_FULL_DETAIL) || _cur_dpi->zoom > ZOOM_LVL_DETAIL) return;
1640 
1641  /* Do not draw details (street lights, trees) under low bridge */
1642  if (IsBridgeAbove(ti->tile) && (roadside == ROADSIDE_TREES || roadside == ROADSIDE_STREET_LIGHTS)) {
1643  int height = GetBridgeHeight(GetNorthernBridgeEnd(ti->tile));
1644  int minz = GetTileMaxZ(ti->tile) + 2;
1645 
1646  if (roadside == ROADSIDE_TREES) minz++;
1647 
1648  if (height < minz) return;
1649  }
1650 
1651  /* If there are no road bits, return, as there is nothing left to do */
1652  if (HasAtMostOneBit(road)) return;
1653 
1654  if (roadside == ROADSIDE_TREES && IsInvisibilitySet(TO_TREES)) return;
1655  bool is_transparent = roadside == ROADSIDE_TREES && IsTransparencySet(TO_TREES);
1656 
1657  /* Draw extra details. */
1658  for (const DrawRoadTileStruct *drts = _road_display_table[roadside][road | tram]; drts->image != 0; drts++) {
1659  DrawRoadDetail(drts->image, ti, drts->subcoord_x, drts->subcoord_y, 0x10, is_transparent);
1660  }
1661 }
1662 
1664 static void DrawTile_Road(TileInfo *ti)
1665 {
1666  switch (GetRoadTileType(ti->tile)) {
1667  case ROAD_TILE_NORMAL:
1668  DrawRoadBits(ti);
1669  break;
1670 
1671  case ROAD_TILE_CROSSING: {
1673 
1674  Axis axis = GetCrossingRailAxis(ti->tile);
1675 
1676  const RailtypeInfo *rti = GetRailTypeInfo(GetRailType(ti->tile));
1677 
1678  RoadType road_rt = GetRoadTypeRoad(ti->tile);
1679  RoadType tram_rt = GetRoadTypeTram(ti->tile);
1680  const RoadTypeInfo *road_rti = road_rt == INVALID_ROADTYPE ? nullptr : GetRoadTypeInfo(road_rt);
1681  const RoadTypeInfo *tram_rti = tram_rt == INVALID_ROADTYPE ? nullptr : GetRoadTypeInfo(tram_rt);
1682 
1683  PaletteID pal = PAL_NONE;
1684 
1685  /* Draw base ground */
1686  if (rti->UsesOverlay()) {
1687  SpriteID image = SPR_ROAD_Y + axis;
1688 
1689  Roadside roadside = GetRoadside(ti->tile);
1690  if (DrawRoadAsSnowDesert(ti->tile, roadside)) {
1691  image += 19;
1692  } else {
1693  switch (roadside) {
1694  case ROADSIDE_BARREN: pal = PALETTE_TO_BARE_LAND; break;
1695  case ROADSIDE_GRASS: break;
1696  default: image -= 19; break; // Paved
1697  }
1698  }
1699 
1700  DrawGroundSprite(image, pal);
1701  } else {
1702  SpriteID image = rti->base_sprites.crossing + axis;
1703  if (IsCrossingBarred(ti->tile)) image += 2;
1704 
1705  Roadside roadside = GetRoadside(ti->tile);
1706  if (DrawRoadAsSnowDesert(ti->tile, roadside)) {
1707  image += 8;
1708  } else {
1709  switch (roadside) {
1710  case ROADSIDE_BARREN: pal = PALETTE_TO_BARE_LAND; break;
1711  case ROADSIDE_GRASS: break;
1712  default: image += 4; break; // Paved
1713  }
1714  }
1715 
1716  DrawGroundSprite(image, pal);
1717  }
1718 
1719  DrawRoadOverlays(ti, pal, road_rti, tram_rti, axis, axis);
1720 
1721  /* Draw rail/PBS overlay */
1722  bool draw_pbs = _game_mode != GM_MENU && _settings_client.gui.show_track_reservation && HasCrossingReservation(ti->tile);
1723  if (rti->UsesOverlay()) {
1724  PaletteID pal = draw_pbs ? PALETTE_CRASH : PAL_NONE;
1725  SpriteID rail = GetCustomRailSprite(rti, ti->tile, RTSG_CROSSING) + axis;
1726  DrawGroundSprite(rail, pal);
1727 
1728  DrawRailTileSeq(ti, &_crossing_layout, TO_CATENARY, rail, 0, PAL_NONE);
1729  } else if (draw_pbs || tram_rti != nullptr || road_rti->UsesOverlay()) {
1730  /* Add another rail overlay, unless there is only the base road sprite. */
1731  PaletteID pal = draw_pbs ? PALETTE_CRASH : PAL_NONE;
1733  DrawGroundSprite(rail, pal);
1734  }
1735 
1736  /* Draw road, tram catenary */
1737  DrawRoadCatenary(ti);
1738 
1739  /* Draw rail catenary */
1741 
1742  break;
1743  }
1744 
1745  default:
1746  case ROAD_TILE_DEPOT: {
1748 
1749  PaletteID palette = COMPANY_SPRITE_COLOUR(GetTileOwner(ti->tile));
1750 
1751  RoadType road_rt = GetRoadTypeRoad(ti->tile);
1752  RoadType tram_rt = GetRoadTypeTram(ti->tile);
1753  const RoadTypeInfo *rti = GetRoadTypeInfo(road_rt == INVALID_ROADTYPE ? tram_rt : road_rt);
1754 
1755  int relocation = GetCustomRoadSprite(rti, ti->tile, ROTSG_DEPOT);
1756  bool default_gfx = relocation == 0;
1757  if (default_gfx) {
1758  if (HasBit(rti->flags, ROTF_CATENARY)) {
1759  if (_loaded_newgrf_features.tram == TRAMWAY_REPLACE_DEPOT_WITH_TRACK && road_rt == INVALID_ROADTYPE && !rti->UsesOverlay()) {
1760  /* Sprites with track only work for default tram */
1761  relocation = SPR_TRAMWAY_DEPOT_WITH_TRACK - SPR_ROAD_DEPOT;
1762  default_gfx = false;
1763  } else {
1764  /* Sprites without track are always better, if provided */
1765  relocation = SPR_TRAMWAY_DEPOT_NO_TRACK - SPR_ROAD_DEPOT;
1766  }
1767  }
1768  } else {
1769  relocation -= SPR_ROAD_DEPOT;
1770  }
1771 
1773  const DrawTileSprites *dts = &_road_depot[dir];
1774  DrawGroundSprite(dts->ground.sprite, PAL_NONE);
1775 
1776  if (default_gfx) {
1777  uint offset = GetRoadSpriteOffset(SLOPE_FLAT, DiagDirToRoadBits(dir));
1778  if (rti->UsesOverlay()) {
1779  SpriteID ground = GetCustomRoadSprite(rti, ti->tile, ROTSG_OVERLAY);
1780  if (ground != 0) DrawGroundSprite(ground + offset, PAL_NONE);
1781  } else if (road_rt == INVALID_ROADTYPE) {
1782  DrawGroundSprite(SPR_TRAMWAY_OVERLAY + offset, PAL_NONE);
1783  }
1784  }
1785 
1786  DrawRailTileSeq(ti, dts, TO_BUILDINGS, relocation, 0, palette);
1787  break;
1788  }
1789  }
1790  DrawBridgeMiddle(ti);
1791 }
1792 
1800 void DrawRoadDepotSprite(int x, int y, DiagDirection dir, RoadType rt)
1801 {
1802  PaletteID palette = COMPANY_SPRITE_COLOUR(_local_company);
1803 
1804  const RoadTypeInfo* rti = GetRoadTypeInfo(rt);
1805  int relocation = GetCustomRoadSprite(rti, INVALID_TILE, ROTSG_DEPOT);
1806  bool default_gfx = relocation == 0;
1807  if (default_gfx) {
1808  if (HasBit(rti->flags, ROTF_CATENARY)) {
1809  if (_loaded_newgrf_features.tram == TRAMWAY_REPLACE_DEPOT_WITH_TRACK && RoadTypeIsTram(rt) && !rti->UsesOverlay()) {
1810  /* Sprites with track only work for default tram */
1811  relocation = SPR_TRAMWAY_DEPOT_WITH_TRACK - SPR_ROAD_DEPOT;
1812  default_gfx = false;
1813  } else {
1814  /* Sprites without track are always better, if provided */
1815  relocation = SPR_TRAMWAY_DEPOT_NO_TRACK - SPR_ROAD_DEPOT;
1816  }
1817  }
1818  } else {
1819  relocation -= SPR_ROAD_DEPOT;
1820  }
1821 
1822  const DrawTileSprites *dts = &_road_depot[dir];
1823  DrawSprite(dts->ground.sprite, PAL_NONE, x, y);
1824 
1825  if (default_gfx) {
1826  uint offset = GetRoadSpriteOffset(SLOPE_FLAT, DiagDirToRoadBits(dir));
1827  if (rti->UsesOverlay()) {
1829  if (ground != 0) DrawSprite(ground + offset, PAL_NONE, x, y);
1830  } else if (RoadTypeIsTram(rt)) {
1831  DrawSprite(SPR_TRAMWAY_OVERLAY + offset, PAL_NONE, x, y);
1832  }
1833  }
1834 
1835  DrawRailTileSeqInGUI(x, y, dts, relocation, 0, palette);
1836 }
1837 
1843 void UpdateNearestTownForRoadTiles(bool invalidate)
1844 {
1845  assert(!invalidate || _generating_world);
1846 
1847  for (TileIndex t = 0; t < MapSize(); t++) {
1848  if (IsTileType(t, MP_ROAD) && !IsRoadDepot(t) && !HasTownOwnedRoad(t)) {
1849  TownID tid = INVALID_TOWN;
1850  if (!invalidate) {
1851  const Town *town = CalcClosestTownFromTile(t);
1852  if (town != nullptr) tid = town->index;
1853  }
1854  SetTownIndex(t, tid);
1855  }
1856  }
1857 }
1858 
1859 static int GetSlopePixelZ_Road(TileIndex tile, uint x, uint y)
1860 {
1861 
1862  if (IsNormalRoad(tile)) {
1863  int z;
1864  Slope tileh = GetTilePixelSlope(tile, &z);
1865  if (tileh == SLOPE_FLAT) return z;
1866 
1867  Foundation f = GetRoadFoundation(tileh, GetAllRoadBits(tile));
1868  z += ApplyPixelFoundationToSlope(f, &tileh);
1869  return z + GetPartialPixelZ(x & 0xF, y & 0xF, tileh);
1870  } else {
1871  return GetTileMaxPixelZ(tile);
1872  }
1873 }
1874 
1875 static Foundation GetFoundation_Road(TileIndex tile, Slope tileh)
1876 {
1877  if (IsNormalRoad(tile)) {
1878  return GetRoadFoundation(tileh, GetAllRoadBits(tile));
1879  } else {
1880  return FlatteningFoundation(tileh);
1881  }
1882 }
1883 
1884 static const Roadside _town_road_types[][2] = {
1890 };
1891 
1892 static const Roadside _town_road_types_2[][2] = {
1898 };
1899 
1900 
1901 static void TileLoop_Road(TileIndex tile)
1902 {
1904  case LT_ARCTIC:
1905  if (IsOnSnow(tile) != (GetTileZ(tile) > GetSnowLine())) {
1906  ToggleSnow(tile);
1907  MarkTileDirtyByTile(tile);
1908  }
1909  break;
1910 
1911  case LT_TROPIC:
1912  if (GetTropicZone(tile) == TROPICZONE_DESERT && !IsOnDesert(tile)) {
1913  ToggleDesert(tile);
1914  MarkTileDirtyByTile(tile);
1915  }
1916  break;
1917  }
1918 
1919  if (IsRoadDepot(tile)) return;
1920 
1921  const Town *t = ClosestTownFromTile(tile, UINT_MAX);
1922  if (!HasRoadWorks(tile)) {
1923  HouseZonesBits grp = HZB_TOWN_EDGE;
1924 
1925  if (t != nullptr) {
1926  grp = GetTownRadiusGroup(t, tile);
1927 
1928  /* Show an animation to indicate road work */
1929  if (t->road_build_months != 0 &&
1930  (DistanceManhattan(t->xy, tile) < 8 || grp != HZB_TOWN_EDGE) &&
1931  IsNormalRoad(tile) && !HasAtMostOneBit(GetAllRoadBits(tile))) {
1932  if (GetFoundationSlope(tile) == SLOPE_FLAT && EnsureNoVehicleOnGround(tile).Succeeded() && Chance16(1, 40)) {
1933  StartRoadWorks(tile);
1934 
1935  if (_settings_client.sound.ambient) SndPlayTileFx(SND_21_ROAD_WORKS, tile);
1937  TileX(tile) * TILE_SIZE + 7,
1938  TileY(tile) * TILE_SIZE + 7,
1939  0,
1940  EV_BULLDOZER);
1941  MarkTileDirtyByTile(tile);
1942  return;
1943  }
1944  }
1945  }
1946 
1947  {
1948  /* Adjust road ground type depending on 'grp' (grp is the distance to the center) */
1949  const Roadside *new_rs = (_settings_game.game_creation.landscape == LT_TOYLAND) ? _town_road_types_2[grp] : _town_road_types[grp];
1950  Roadside cur_rs = GetRoadside(tile);
1951 
1952  /* We have our desired type, do nothing */
1953  if (cur_rs == new_rs[0]) return;
1954 
1955  /* We have the pre-type of the desired type, switch to the desired type */
1956  if (cur_rs == new_rs[1]) {
1957  cur_rs = new_rs[0];
1958  /* We have barren land, install the pre-type */
1959  } else if (cur_rs == ROADSIDE_BARREN) {
1960  cur_rs = new_rs[1];
1961  /* We're totally off limits, remove any installation and make barren land */
1962  } else {
1963  cur_rs = ROADSIDE_BARREN;
1964  }
1965  SetRoadside(tile, cur_rs);
1966  MarkTileDirtyByTile(tile);
1967  }
1968  } else if (IncreaseRoadWorksCounter(tile)) {
1969  TerminateRoadWorks(tile);
1970 
1972  /* Generate a nicer town surface */
1973  const RoadBits old_rb = GetAnyRoadBits(tile, RTT_ROAD);
1974  const RoadBits new_rb = CleanUpRoadBits(tile, old_rb);
1975 
1976  if (old_rb != new_rb) {
1977  RemoveRoad(tile, DC_EXEC | DC_AUTO | DC_NO_WATER, (old_rb ^ new_rb), RTT_ROAD, true);
1978 
1979  /* If new_rb is 0, there are now no road pieces left and the tile is no longer a road tile */
1980  if (new_rb == 0) {
1981  MarkTileDirtyByTile(tile);
1982  return;
1983  }
1984  }
1985  }
1986 
1987  /* Possibly change road type */
1988  if (GetRoadOwner(tile, RTT_ROAD) == OWNER_TOWN) {
1989  RoadType rt = GetTownRoadType(t);
1990  if (rt != GetRoadTypeRoad(tile)) {
1991  SetRoadType(tile, RTT_ROAD, rt);
1992  }
1993  }
1994 
1995  MarkTileDirtyByTile(tile);
1996  }
1997 }
1998 
1999 static bool ClickTile_Road(TileIndex tile)
2000 {
2001  if (!IsRoadDepot(tile)) return false;
2002 
2003  ShowDepotWindow(tile, VEH_ROAD);
2004  return true;
2005 }
2006 
2007 /* Converts RoadBits to TrackBits */
2008 static const TrackBits _road_trackbits[16] = {
2009  TRACK_BIT_NONE, // ROAD_NONE
2010  TRACK_BIT_NONE, // ROAD_NW
2011  TRACK_BIT_NONE, // ROAD_SW
2012  TRACK_BIT_LEFT, // ROAD_W
2013  TRACK_BIT_NONE, // ROAD_SE
2014  TRACK_BIT_Y, // ROAD_Y
2015  TRACK_BIT_LOWER, // ROAD_S
2016  TRACK_BIT_LEFT | TRACK_BIT_LOWER | TRACK_BIT_Y, // ROAD_Y | ROAD_SW
2017  TRACK_BIT_NONE, // ROAD_NE
2018  TRACK_BIT_UPPER, // ROAD_N
2019  TRACK_BIT_X, // ROAD_X
2020  TRACK_BIT_LEFT | TRACK_BIT_UPPER | TRACK_BIT_X, // ROAD_X | ROAD_NW
2021  TRACK_BIT_RIGHT, // ROAD_E
2022  TRACK_BIT_RIGHT | TRACK_BIT_UPPER | TRACK_BIT_Y, // ROAD_Y | ROAD_NE
2023  TRACK_BIT_RIGHT | TRACK_BIT_LOWER | TRACK_BIT_X, // ROAD_X | ROAD_SE
2024  TRACK_BIT_ALL, // ROAD_ALL
2025 };
2026 
2027 static TrackStatus GetTileTrackStatus_Road(TileIndex tile, TransportType mode, uint sub_mode, DiagDirection side)
2028 {
2029  TrackdirBits trackdirbits = TRACKDIR_BIT_NONE;
2030  TrackdirBits red_signals = TRACKDIR_BIT_NONE; // crossing barred
2031  switch (mode) {
2032  case TRANSPORT_RAIL:
2033  if (IsLevelCrossing(tile)) trackdirbits = TrackBitsToTrackdirBits(GetCrossingRailBits(tile));
2034  break;
2035 
2036  case TRANSPORT_ROAD: {
2037  RoadTramType rtt = (RoadTramType)sub_mode;
2038  if (!HasTileRoadType(tile, rtt)) break;
2039  switch (GetRoadTileType(tile)) {
2040  case ROAD_TILE_NORMAL: {
2041  const uint drd_to_multiplier[DRD_END] = { 0x101, 0x100, 0x1, 0x0 };
2042  RoadBits bits = GetRoadBits(tile, rtt);
2043 
2044  /* no roadbit at this side of tile, return 0 */
2045  if (side != INVALID_DIAGDIR && (DiagDirToRoadBits(side) & bits) == 0) break;
2046 
2047  uint multiplier = drd_to_multiplier[(rtt == RTT_TRAM) ? DRD_NONE : GetDisallowedRoadDirections(tile)];
2048  if (!HasRoadWorks(tile)) trackdirbits = (TrackdirBits)(_road_trackbits[bits] * multiplier);
2049  break;
2050  }
2051 
2052  case ROAD_TILE_CROSSING: {
2053  Axis axis = GetCrossingRoadAxis(tile);
2054 
2055  if (side != INVALID_DIAGDIR && axis != DiagDirToAxis(side)) break;
2056 
2057  trackdirbits = TrackBitsToTrackdirBits(AxisToTrackBits(axis));
2058  if (IsCrossingBarred(tile)) red_signals = trackdirbits;
2059  break;
2060  }
2061 
2062  default:
2063  case ROAD_TILE_DEPOT: {
2065 
2066  if (side != INVALID_DIAGDIR && side != dir) break;
2067 
2068  trackdirbits = TrackBitsToTrackdirBits(DiagDirToDiagTrackBits(dir));
2069  break;
2070  }
2071  }
2072  break;
2073  }
2074 
2075  default: break;
2076  }
2077  return CombineTrackStatus(trackdirbits, red_signals);
2078 }
2079 
2080 static const StringID _road_tile_strings[] = {
2081  STR_LAI_ROAD_DESCRIPTION_ROAD,
2082  STR_LAI_ROAD_DESCRIPTION_ROAD,
2083  STR_LAI_ROAD_DESCRIPTION_ROAD,
2084  STR_LAI_ROAD_DESCRIPTION_ROAD_WITH_STREETLIGHTS,
2085  STR_LAI_ROAD_DESCRIPTION_ROAD,
2086  STR_LAI_ROAD_DESCRIPTION_TREE_LINED_ROAD,
2087  STR_LAI_ROAD_DESCRIPTION_ROAD,
2088  STR_LAI_ROAD_DESCRIPTION_ROAD,
2089 };
2090 
2091 static void GetTileDesc_Road(TileIndex tile, TileDesc *td)
2092 {
2093  Owner rail_owner = INVALID_OWNER;
2094  Owner road_owner = INVALID_OWNER;
2095  Owner tram_owner = INVALID_OWNER;
2096 
2097  RoadType road_rt = GetRoadTypeRoad(tile);
2098  RoadType tram_rt = GetRoadTypeTram(tile);
2099  if (road_rt != INVALID_ROADTYPE) {
2100  const RoadTypeInfo *rti = GetRoadTypeInfo(road_rt);
2101  td->roadtype = rti->strings.name;
2102  td->road_speed = rti->max_speed / 2;
2103  road_owner = GetRoadOwner(tile, RTT_ROAD);
2104  }
2105  if (tram_rt != INVALID_ROADTYPE) {
2106  const RoadTypeInfo *rti = GetRoadTypeInfo(tram_rt);
2107  td->tramtype = rti->strings.name;
2108  td->tram_speed = rti->max_speed / 2;
2109  tram_owner = GetRoadOwner(tile, RTT_TRAM);
2110  }
2111 
2112  switch (GetRoadTileType(tile)) {
2113  case ROAD_TILE_CROSSING: {
2114  td->str = STR_LAI_ROAD_DESCRIPTION_ROAD_RAIL_LEVEL_CROSSING;
2115  rail_owner = GetTileOwner(tile);
2116 
2117  const RailtypeInfo *rti = GetRailTypeInfo(GetRailType(tile));
2118  td->railtype = rti->strings.name;
2119  td->rail_speed = rti->max_speed;
2120 
2121  break;
2122  }
2123 
2124  case ROAD_TILE_DEPOT:
2125  td->str = STR_LAI_ROAD_DESCRIPTION_ROAD_VEHICLE_DEPOT;
2126  td->build_date = Depot::GetByTile(tile)->build_date;
2127  break;
2128 
2129  default: {
2130  td->str = (road_rt != INVALID_ROADTYPE ? _road_tile_strings[GetRoadside(tile)] : STR_LAI_ROAD_DESCRIPTION_TRAMWAY);
2131  break;
2132  }
2133  }
2134 
2135  /* Now we have to discover, if the tile has only one owner or many:
2136  * - Find a first_owner of the tile. (Currently road or tram must be present, but this will break when the third type becomes available)
2137  * - Compare the found owner with the other owners, and test if they differ.
2138  * Note: If road exists it will be the first_owner.
2139  */
2140  Owner first_owner = (road_owner == INVALID_OWNER ? tram_owner : road_owner);
2141  bool mixed_owners = (tram_owner != INVALID_OWNER && tram_owner != first_owner) || (rail_owner != INVALID_OWNER && rail_owner != first_owner);
2142 
2143  if (mixed_owners) {
2144  /* Multiple owners */
2145  td->owner_type[0] = (rail_owner == INVALID_OWNER ? STR_NULL : STR_LAND_AREA_INFORMATION_RAIL_OWNER);
2146  td->owner[0] = rail_owner;
2147  td->owner_type[1] = (road_owner == INVALID_OWNER ? STR_NULL : STR_LAND_AREA_INFORMATION_ROAD_OWNER);
2148  td->owner[1] = road_owner;
2149  td->owner_type[2] = (tram_owner == INVALID_OWNER ? STR_NULL : STR_LAND_AREA_INFORMATION_TRAM_OWNER);
2150  td->owner[2] = tram_owner;
2151  } else {
2152  /* One to rule them all */
2153  td->owner[0] = first_owner;
2154  }
2155 }
2156 
2161 static const byte _roadveh_enter_depot_dir[4] = {
2163 };
2164 
2165 static VehicleEnterTileStatus VehicleEnter_Road(Vehicle *v, TileIndex tile, int x, int y)
2166 {
2167  switch (GetRoadTileType(tile)) {
2168  case ROAD_TILE_DEPOT: {
2169  if (v->type != VEH_ROAD) break;
2170 
2171  RoadVehicle *rv = RoadVehicle::From(v);
2172  if (rv->frame == RVC_DEPOT_STOP_FRAME &&
2174  rv->state = RVSB_IN_DEPOT;
2175  rv->vehstatus |= VS_HIDDEN;
2176  rv->direction = ReverseDir(rv->direction);
2177  if (rv->Next() == nullptr) VehicleEnterDepot(rv->First());
2178  rv->tile = tile;
2179 
2181  return VETSB_ENTERED_WORMHOLE;
2182  }
2183  break;
2184  }
2185 
2186  default: break;
2187  }
2188  return VETSB_CONTINUE;
2189 }
2190 
2191 
2192 static void ChangeTileOwner_Road(TileIndex tile, Owner old_owner, Owner new_owner)
2193 {
2194  if (IsRoadDepot(tile)) {
2195  if (GetTileOwner(tile) == old_owner) {
2196  if (new_owner == INVALID_OWNER) {
2198  } else {
2199  /* A road depot has two road bits. No need to dirty windows here, we'll redraw the whole screen anyway. */
2200  RoadType rt = GetRoadTypeRoad(tile);
2201  if (rt == INVALID_ROADTYPE) rt = GetRoadTypeTram(tile);
2202  Company::Get(old_owner)->infrastructure.road[rt] -= 2;
2203  Company::Get(new_owner)->infrastructure.road[rt] += 2;
2204 
2205  SetTileOwner(tile, new_owner);
2206  FOR_ALL_ROADTRAMTYPES(rtt) {
2207  if (GetRoadOwner(tile, rtt) == old_owner) {
2208  SetRoadOwner(tile, rtt, new_owner);
2209  }
2210  }
2211  }
2212  }
2213  return;
2214  }
2215 
2216  FOR_ALL_ROADTRAMTYPES(rtt) {
2217  /* Update all roadtypes, no matter if they are present */
2218  if (GetRoadOwner(tile, rtt) == old_owner) {
2219  RoadType rt = GetRoadType(tile, rtt);
2220  if (rt != INVALID_ROADTYPE) {
2221  /* A level crossing has two road bits. No need to dirty windows here, we'll redraw the whole screen anyway. */
2222  uint num_bits = IsLevelCrossing(tile) ? 2 : CountBits(GetRoadBits(tile, rtt));
2223  Company::Get(old_owner)->infrastructure.road[rt] -= num_bits;
2224  if (new_owner != INVALID_OWNER) Company::Get(new_owner)->infrastructure.road[rt] += num_bits;
2225  }
2226 
2227  SetRoadOwner(tile, rtt, new_owner == INVALID_OWNER ? OWNER_NONE : new_owner);
2228  }
2229  }
2230 
2231  if (IsLevelCrossing(tile)) {
2232  if (GetTileOwner(tile) == old_owner) {
2233  if (new_owner == INVALID_OWNER) {
2235  } else {
2236  /* Update infrastructure counts. No need to dirty windows here, we'll redraw the whole screen anyway. */
2237  Company::Get(old_owner)->infrastructure.rail[GetRailType(tile)] -= LEVELCROSSING_TRACKBIT_FACTOR;
2238  Company::Get(new_owner)->infrastructure.rail[GetRailType(tile)] += LEVELCROSSING_TRACKBIT_FACTOR;
2239 
2240  SetTileOwner(tile, new_owner);
2241  }
2242  }
2243  }
2244 }
2245 
2246 static CommandCost TerraformTile_Road(TileIndex tile, DoCommandFlag flags, int z_new, Slope tileh_new)
2247 {
2249  switch (GetRoadTileType(tile)) {
2250  case ROAD_TILE_CROSSING:
2251  if (!IsSteepSlope(tileh_new) && (GetTileMaxZ(tile) == z_new + GetSlopeMaxZ(tileh_new)) && HasBit(VALID_LEVEL_CROSSING_SLOPES, tileh_new)) return CommandCost(EXPENSES_CONSTRUCTION, _price[PR_BUILD_FOUNDATION]);
2252  break;
2253 
2254  case ROAD_TILE_DEPOT:
2255  if (AutoslopeCheckForEntranceEdge(tile, z_new, tileh_new, GetRoadDepotDirection(tile))) return CommandCost(EXPENSES_CONSTRUCTION, _price[PR_BUILD_FOUNDATION]);
2256  break;
2257 
2258  case ROAD_TILE_NORMAL: {
2259  RoadBits bits = GetAllRoadBits(tile);
2260  RoadBits bits_copy = bits;
2261  /* Check if the slope-road_bits combination is valid at all, i.e. it is safe to call GetRoadFoundation(). */
2262  if (CheckRoadSlope(tileh_new, &bits_copy, ROAD_NONE, ROAD_NONE).Succeeded()) {
2263  /* CheckRoadSlope() sometimes changes the road_bits, if it does not agree with them. */
2264  if (bits == bits_copy) {
2265  int z_old;
2266  Slope tileh_old = GetTileSlope(tile, &z_old);
2267 
2268  /* Get the slope on top of the foundation */
2269  z_old += ApplyFoundationToSlope(GetRoadFoundation(tileh_old, bits), &tileh_old);
2270  z_new += ApplyFoundationToSlope(GetRoadFoundation(tileh_new, bits), &tileh_new);
2271 
2272  /* The surface slope must not be changed */
2273  if ((z_old == z_new) && (tileh_old == tileh_new)) return CommandCost(EXPENSES_CONSTRUCTION, _price[PR_BUILD_FOUNDATION]);
2274  }
2275  }
2276  break;
2277  }
2278 
2279  default: NOT_REACHED();
2280  }
2281  }
2282 
2283  return DoCommand(tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR);
2284 }
2285 
2287 static Vehicle *UpdateRoadVehPowerProc(Vehicle *v, void *data)
2288 {
2289  if (v->type != VEH_ROAD) return nullptr;
2290 
2291  RoadVehicleList *affected_rvs = static_cast<RoadVehicleList*>(data);
2292  include(*affected_rvs, RoadVehicle::From(v)->First());
2293 
2294  return nullptr;
2295 }
2296 
2303 static bool CanConvertUnownedRoadType(Owner owner, RoadTramType rtt)
2304 {
2305  return (owner == OWNER_NONE || (owner == OWNER_TOWN && rtt == RTT_ROAD));
2306 }
2307 
2316 static void ConvertRoadTypeOwner(TileIndex tile, uint num_pieces, Owner owner, RoadType from_type, RoadType to_type)
2317 {
2318  // Scenario editor, maybe? Don't touch the owners when converting roadtypes...
2319  if (_current_company >= MAX_COMPANIES) return;
2320 
2321  // We can't get a company from invalid owners but we can get ownership of roads without an owner
2322  if (owner >= MAX_COMPANIES && owner != OWNER_NONE) return;
2323 
2324  Company *c;
2325 
2326  switch (owner) {
2327  case OWNER_NONE:
2328  SetRoadOwner(tile, GetRoadTramType(to_type), (Owner)_current_company);
2329  UpdateCompanyRoadInfrastructure(to_type, _current_company, num_pieces);
2330  break;
2331 
2332  default:
2333  c = Company::Get(owner);
2334  c->infrastructure.road[from_type] -= num_pieces;
2335  c->infrastructure.road[to_type] += num_pieces;
2337  break;
2338  }
2339 }
2340 
2353 CommandCost CmdConvertRoad(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
2354 {
2355  RoadType to_type = Extract<RoadType, 0, 6>(p2);
2356 
2357  TileIndex area_start = p1;
2358  TileIndex area_end = tile;
2359 
2360  if (!ValParamRoadType(to_type)) return CMD_ERROR;
2361  if (area_start >= MapSize()) return CMD_ERROR;
2362 
2363  RoadVehicleList affected_rvs;
2364  RoadTramType rtt = GetRoadTramType(to_type);
2365 
2367  CommandCost error = CommandCost((rtt == RTT_TRAM) ? STR_ERROR_NO_SUITABLE_TRAMWAY : STR_ERROR_NO_SUITABLE_ROAD); // by default, there is no road to convert.
2368  bool found_convertible_road = false; // whether we actually did convert any road/tram (see bug #7633)
2369 
2370  TileIterator *iter = new OrthogonalTileIterator(area_start, area_end);
2371  for (; (tile = *iter) != INVALID_TILE; ++(*iter)) {
2372  /* Is road present on tile? */
2373  if (!MayHaveRoad(tile)) continue;
2374 
2375  /* Converting to the same subtype? */
2376  RoadType from_type = GetRoadType(tile, rtt);
2377  if (from_type == INVALID_ROADTYPE || from_type == to_type) continue;
2378 
2379  /* Check if there is any infrastructure on tile */
2380  TileType tt = GetTileType(tile);
2381  switch (tt) {
2382  case MP_STATION:
2383  if (!IsRoadStop(tile)) continue;
2384  break;
2385  case MP_ROAD:
2386  if (IsLevelCrossing(tile) && RoadNoLevelCrossing(to_type)) {
2387  error.MakeError(STR_ERROR_CROSSING_DISALLOWED_ROAD);
2388  continue;
2389  }
2390  break;
2391  case MP_TUNNELBRIDGE:
2392  if (GetTunnelBridgeTransportType(tile) != TRANSPORT_ROAD) continue;
2393  break;
2394  default: continue;
2395  }
2396 
2397  /* Trying to convert other's road */
2398  Owner owner = GetRoadOwner(tile, rtt);
2399  if (!CanConvertUnownedRoadType(owner, rtt)) {
2400  CommandCost ret = CheckOwnership(owner, tile);
2401  if (ret.Failed()) {
2402  error = ret;
2403  continue;
2404  }
2405  }
2406 
2407  /* Base the ability to replace town roads and bridges on the town's
2408  * acceptance of destructive actions. */
2409  if (owner == OWNER_TOWN) {
2412  if (ret.Failed()) {
2413  error = ret;
2414  continue;
2415  }
2416  }
2417 
2418  /* Vehicle on the tile when not converting normal <-> powered
2419  * Tunnels and bridges have special check later */
2420  if (tt != MP_TUNNELBRIDGE) {
2421  if (!HasPowerOnRoad(from_type, to_type)) {
2423  if (ret.Failed()) {
2424  error = ret;
2425  continue;
2426  }
2427 
2428  if (rtt == RTT_ROAD && owner == OWNER_TOWN) {
2429  error.MakeError(STR_ERROR_OWNED_BY);
2430  GetNameOfOwner(OWNER_TOWN, tile);
2431  continue;
2432  }
2433  }
2434 
2435  uint num_pieces = CountBits(GetAnyRoadBits(tile, rtt));
2436  if (tt == MP_STATION && IsStandardRoadStopTile(tile)) {
2437  num_pieces *= ROAD_STOP_TRACKBIT_FACTOR;
2438  } else if (tt == MP_ROAD && IsRoadDepot(tile)) {
2439  num_pieces *= ROAD_DEPOT_TRACKBIT_FACTOR;
2440  }
2441 
2442  found_convertible_road = true;
2443  cost.AddCost(num_pieces * RoadConvertCost(from_type, to_type));
2444 
2445  if (flags & DC_EXEC) { // we can safely convert, too
2446  /* Call ConvertRoadTypeOwner() to update the company infrastructure counters. */
2447  if (owner == _current_company) {
2448  ConvertRoadTypeOwner(tile, num_pieces, owner, from_type, to_type);
2449  }
2450 
2451  /* Perform the conversion */
2452  SetRoadType(tile, rtt, to_type);
2453  MarkTileDirtyByTile(tile);
2454 
2455  /* update power of train on this tile */
2456  FindVehicleOnPos(tile, &affected_rvs, &UpdateRoadVehPowerProc);
2457 
2458  if (IsRoadDepotTile(tile)) {
2459  /* Update build vehicle window related to this depot */
2462  }
2463  }
2464  } else {
2465  TileIndex endtile = GetOtherTunnelBridgeEnd(tile);
2466 
2467  /* If both ends of tunnel/bridge are in the range, do not try to convert twice -
2468  * it would cause assert because of different test and exec runs */
2469  if (endtile < tile) {
2470  if (OrthogonalTileArea(area_start, area_end).Contains(endtile)) continue;
2471  }
2472 
2473  /* When not converting rail <-> el. rail, any vehicle cannot be in tunnel/bridge */
2474  if (!HasPowerOnRoad(from_type, to_type)) {
2475  CommandCost ret = TunnelBridgeIsFree(tile, endtile);
2476  if (ret.Failed()) {
2477  error = ret;
2478  continue;
2479  }
2480 
2481  if (rtt == RTT_ROAD && owner == OWNER_TOWN) {
2482  error.MakeError(STR_ERROR_OWNED_BY);
2483  GetNameOfOwner(OWNER_TOWN, tile);
2484  continue;
2485  }
2486  }
2487 
2488  /* There are 2 pieces on *every* tile of the bridge or tunnel */
2489  uint num_pieces = (GetTunnelBridgeLength(tile, endtile) + 2) * 2;
2490  found_convertible_road = true;
2491  cost.AddCost(num_pieces * RoadConvertCost(from_type, to_type));
2492 
2493  if (flags & DC_EXEC) {
2494  /* Update the company infrastructure counters. */
2495  if (owner == _current_company) {
2496  /* Each piece should be counted TUNNELBRIDGE_TRACKBIT_FACTOR times
2497  * for the infrastructure counters (cause of #8297). */
2498  ConvertRoadTypeOwner(tile, num_pieces * TUNNELBRIDGE_TRACKBIT_FACTOR, owner, from_type, to_type);
2499  SetTunnelBridgeOwner(tile, endtile, _current_company);
2500  }
2501 
2502  /* Perform the conversion */
2503  SetRoadType(tile, rtt, to_type);
2504  SetRoadType(endtile, rtt, to_type);
2505 
2506  FindVehicleOnPos(tile, &affected_rvs, &UpdateRoadVehPowerProc);
2507  FindVehicleOnPos(endtile, &affected_rvs, &UpdateRoadVehPowerProc);
2508 
2509  if (IsBridge(tile)) {
2510  MarkBridgeDirty(tile);
2511  } else {
2512  MarkTileDirtyByTile(tile);
2513  MarkTileDirtyByTile(endtile);
2514  }
2515  }
2516  }
2517  }
2518 
2519  if (flags & DC_EXEC) {
2520  /* Roadtype changed, update roadvehicles as when entering different track */
2521  for (RoadVehicle *v : affected_rvs) {
2522  v->CargoChanged();
2523  }
2524  }
2525 
2526  delete iter;
2527  return found_convertible_road ? cost : error;
2528 }
2529 
2530 
2532 extern const TileTypeProcs _tile_type_road_procs = {
2533  DrawTile_Road, // draw_tile_proc
2534  GetSlopePixelZ_Road, // get_slope_z_proc
2535  ClearTile_Road, // clear_tile_proc
2536  nullptr, // add_accepted_cargo_proc
2537  GetTileDesc_Road, // get_tile_desc_proc
2538  GetTileTrackStatus_Road, // get_tile_track_status_proc
2539  ClickTile_Road, // click_tile_proc
2540  nullptr, // animate_tile_proc
2541  TileLoop_Road, // tile_loop_proc
2542  ChangeTileOwner_Road, // change_tile_owner_proc
2543  nullptr, // add_produced_cargo_proc
2544  VehicleEnter_Road, // vehicle_enter_tile_proc
2545  GetFoundation_Road, // get_foundation_proc
2546  TerraformTile_Road, // terraform_tile_proc
2547 };
DrawRailTileSeqInGUI
static void DrawRailTileSeqInGUI(int x, int y, const DrawTileSprites *dts, int32 total_offset, uint32 newgrf_offset, PaletteID default_palette)
Draw tile sprite sequence in GUI with railroad specifics.
Definition: sprite.h:99
RoadTypeInfo::flags
RoadTypeFlags flags
Bit mask of road type flags.
Definition: road.h:124
EV_BULLDOZER
@ EV_BULLDOZER
Bulldozer at roadworks.
Definition: effectvehicle_func.h:25
DrawRoadBits
static void DrawRoadBits(TileInfo *ti)
Draw ground sprite and road pieces.
Definition: road_cmd.cpp:1593
RoadVehicle
Buses, trucks and trams belong to this class.
Definition: roadveh.h:107
TileInfo::z
int z
Height.
Definition: tile_cmd.h:47
RailNoLevelCrossings
static bool RailNoLevelCrossings(RailType rt)
Test if a RailType disallows build of level crossings.
Definition: rail.h:342
HasTownOwnedRoad
static bool HasTownOwnedRoad(TileIndex t)
Checks if given tile has town owned road.
Definition: road_map.h:279
tunnelbridge.h
GetRoadDepotDirection
static DiagDirection GetRoadDepotDirection(TileIndex t)
Get the direction of the exit of a road depot.
Definition: road_map.h:565
TileIndex
uint32 TileIndex
The index/ID of a Tile.
Definition: tile_type.h:83
TROPICZONE_DESERT
@ TROPICZONE_DESERT
Tile is desert.
Definition: tile_type.h:76
RoadTypeInfo
Definition: road.h:75
RoadVehicle::state
byte state
Definition: roadveh.h:109
ROTSG_GROUND
@ ROTSG_GROUND
Required: Main group of ground images.
Definition: road.h:60
InvalidateWindowData
void InvalidateWindowData(WindowClass cls, WindowNumber number, int data, bool gui_scope)
Mark window data of the window of a given class and specific window number as invalid (in need of re-...
Definition: window.cpp:3321
RoadTypeInfo::gui_sprites
struct RoadTypeInfo::@42 gui_sprites
struct containing the sprites for the road GUI.
TO_CATENARY
@ TO_CATENARY
catenary
Definition: transparency.h:30
sound_func.h
RailtypeInfo::single_x
SpriteID single_x
single piece of rail in X direction, without ground
Definition: rail.h:134
TRACK_BIT_NONE
@ TRACK_BIT_NONE
No track.
Definition: track_type.h:39
Cheats::magic_bulldozer
Cheat magic_bulldozer
dynamite industries, objects
Definition: cheat_type.h:27
RailtypeInfo::max_speed
uint16 max_speed
Maximum speed for vehicles travelling on this rail type.
Definition: rail.h:228
Chance16
static bool Chance16(const uint a, const uint b)
Flips a coin with given probability.
Definition: random_func.hpp:131
DoCommand
CommandCost DoCommand(const CommandContainer *container, DoCommandFlag flags)
Shorthand for calling the long DoCommand with a container.
Definition: command.cpp:450
Pool::PoolItem<&_company_pool >::Get
static Titem * Get(size_t index)
Returns Titem with given index.
Definition: pool_type.hpp:329
_original_roadtypes
static const RoadTypeInfo _original_roadtypes[]
Global Roadtype definition.
Definition: roadtypes.h:19
TileOffsByDiagDir
static TileIndexDiff TileOffsByDiagDir(DiagDirection dir)
Convert a DiagDirection to a TileIndexDiff.
Definition: map_func.h:341
IsRoadStop
static bool IsRoadStop(TileIndex t)
Is the station at t a road station?
Definition: station_map.h:202
HasAtMostOneBit
static bool HasAtMostOneBit(T value)
Test whether value has at most 1 bit set.
Definition: bitmath_func.hpp:286
GetTileMaxZ
int GetTileMaxZ(TileIndex t)
Get top height of the tile inside the map.
Definition: tile_map.cpp:141
ROTF_CATENARY
@ ROTF_CATENARY
Bit number for adding catenary.
Definition: road.h:39
DrawRoadOverlays
void DrawRoadOverlays(const TileInfo *ti, PaletteID pal, const RoadTypeInfo *road_rti, const RoadTypeInfo *tram_rti, uint road_offset, uint tram_offset)
Draw road underlay and overlay sprites.
Definition: road_cmd.cpp:1512
RoadTypeInfo::build_y_road
SpriteID build_y_road
button for building single rail in Y direction
Definition: road.h:83
command_func.h
TrackdirBits
TrackdirBits
Enumeration of bitmasks for the TrackDirs.
Definition: track_type.h:101
YapfNotifyTrackLayoutChange
void YapfNotifyTrackLayoutChange(TileIndex tile, Track track)
Use this function to notify YAPF that track layout (or signal configuration) has change.
Definition: yapf_rail.cpp:640
Town::road_build_months
byte road_build_months
fund road reconstruction in action?
Definition: town.h:91
TileInfo::x
uint x
X position of the tile in unit coordinates.
Definition: tile_cmd.h:43
RoadTypeInfo::strings
struct RoadTypeInfo::@44 strings
Strings associated with the rail type.
UpdateRoadVehPowerProc
static Vehicle * UpdateRoadVehPowerProc(Vehicle *v, void *data)
Update power of road vehicle under which is the roadtype being converted.
Definition: road_cmd.cpp:2287
Pool::PoolItem<&_company_pool >::GetIfValid
static Titem * GetIfValid(size_t index)
Returns Titem with given index.
Definition: pool_type.hpp:340
road_land.h
CMD_ERROR
static const CommandCost CMD_ERROR
Define a default return value for a failed command.
Definition: command_func.h:23
AutoslopeCheckForEntranceEdge
static bool AutoslopeCheckForEntranceEdge(TileIndex tile, int z_new, Slope tileh_new, DiagDirection entrance)
Autoslope check for tiles with an entrance on an edge.
Definition: autoslope.h:31
ClosestTownFromTile
Town * ClosestTownFromTile(TileIndex tile, uint threshold)
Return the town closest (in distance or ownership) to a given tile, within a given threshold.
Definition: town_cmd.cpp:3598
TO_BUILDINGS
@ TO_BUILDINGS
company buildings - depots, stations, HQ, ...
Definition: transparency.h:27
TileInfo
Tile information, used while rendering the tile.
Definition: tile_cmd.h:42
ROAD_TILE_CROSSING
@ ROAD_TILE_CROSSING
Level crossing.
Definition: road_map.h:23
GameCreationSettings::landscape
byte landscape
the landscape we're currently in
Definition: settings_type.h:308
TileDesc::railtype
StringID railtype
Type of rail on the tile.
Definition: tile_cmd.h:63
RoadTypeInfo::introduces_roadtypes
RoadTypes introduces_roadtypes
Bitmask of which other roadtypes are introduced when this roadtype is introduced.
Definition: road.h:174
company_base.h
IsTransparencySet
static bool IsTransparencySet(TransparencyOption to)
Check if the transparency option bit is set and if we aren't in the game menu (there's never transpar...
Definition: transparency.h:48
SpecializedVehicle::Next
T * Next() const
Get next vehicle in the chain.
Definition: vehicle_base.h:1077
TRANSPORT_RAIL
@ TRANSPORT_RAIL
Transport by train.
Definition: transport_type.h:27
tunnelbridge_map.h
TileDesc::owner
Owner owner[4]
Name of the owner(s)
Definition: tile_cmd.h:53
RoadTypeInfo::sorting_order
byte sorting_order
The sorting order of this roadtype for the toolbar dropdown.
Definition: road.h:179
SND_21_ROAD_WORKS
@ SND_21_ROAD_WORKS
31 == 0x1F Road reconstruction animation
Definition: sound_type.h:70
company_gui.h
CmdBuildRoad
CommandCost CmdBuildRoad(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
Build a piece of road.
Definition: road_cmd.cpp:613
OtherAxis
static Axis OtherAxis(Axis a)
Select the other axis as provided.
Definition: direction_func.h:197
SetTrackReservation
static void SetTrackReservation(TileIndex t, TrackBits b)
Sets the reserved track bits of the tile.
Definition: rail_map.h:209
LEVELCROSSING_TRACKBIT_FACTOR
static const uint LEVELCROSSING_TRACKBIT_FACTOR
Multiplier for how many regular track bits a level crossing counts.
Definition: economy_type.h:224
elrail_func.h
GetRoadGroundSprite
static SpriteID GetRoadGroundSprite(const TileInfo *ti, Roadside roadside, const RoadTypeInfo *rti, uint offset, PaletteID *pal)
Get ground sprite to draw for a road tile.
Definition: road_cmd.cpp:1556
INVALID_ROADTYPE
@ INVALID_ROADTYPE
flag for invalid roadtype
Definition: road_type.h:27
RTSG_CROSSING
@ RTSG_CROSSING
Level crossing overlay images.
Definition: rail.h:54
DiagDirToAxis
static Axis DiagDirToAxis(DiagDirection d)
Convert a DiagDirection to the axis.
Definition: direction_func.h:214
ROAD_SW
@ ROAD_SW
South-west part.
Definition: road_type.h:53
IsRoadDepotTile
static bool IsRoadDepotTile(TileIndex t)
Return whether a tile is a road depot tile.
Definition: road_map.h:115
road_func.h
Vehicle::vehstatus
byte vehstatus
Status.
Definition: vehicle_base.h:326
RoadConvertCost
static Money RoadConvertCost(RoadType from, RoadType to)
Calculates the cost of road conversion.
Definition: road.h:278
DIAGDIR_END
@ DIAGDIR_END
Used for iterations.
Definition: direction_type.h:83
TownCache::squared_town_zone_radius
uint32 squared_town_zone_radius[HZB_END]
UpdateTownRadius updates this given the house count.
Definition: town.h:45
Pool::PoolItem::index
Tindex index
Index of this pool item.
Definition: pool_type.hpp:227
DrawRoadCatenary
void DrawRoadCatenary(const TileInfo *ti)
Draws the catenary for the given tile.
Definition: road_cmd.cpp:1449
AxisToTrackBits
static TrackBits AxisToTrackBits(Axis a)
Maps an Axis to the corresponding TrackBits value.
Definition: track_func.h:96
RoadTypeInfo::build_depot
SpriteID build_depot
button for building depots
Definition: road.h:85
PalSpriteID::sprite
SpriteID sprite
The 'real' sprite.
Definition: gfx_type.h:23
GetBridgeHeight
int GetBridgeHeight(TileIndex t)
Get the height ('z') of a bridge.
Definition: bridge_map.cpp:70
RailtypeInfo::single_y
SpriteID single_y
single piece of rail in Y direction, without ground
Definition: rail.h:135
KillFirstBit
static T KillFirstBit(T value)
Clear the first bit in an integer.
Definition: bitmath_func.hpp:239
HasBit
static bool HasBit(const T x, const uint8 y)
Checks if a bit in a value is set.
Definition: bitmath_func.hpp:103
TileDesc::tram_speed
uint16 tram_speed
Speed limit of tram (bridges and track)
Definition: tile_cmd.h:68
GetTileZ
int GetTileZ(TileIndex tile)
Get bottom height of the tile.
Definition: tile_map.cpp:121
RoadTileType
RoadTileType
The different types of road tiles.
Definition: road_map.h:21
RailtypeInfo
This struct contains all the info that is needed to draw and construct tracks.
Definition: rail.h:124
ROAD_X
@ ROAD_X
Full road along the x-axis (south-west + north-east)
Definition: road_type.h:56
include
bool include(std::vector< T > &vec, const T &item)
Helper function to append an item to a vector if it is not already contained Consider using std::set,...
Definition: smallvec_type.hpp:27
ClrBit
static T ClrBit(T &x, const uint8 y)
Clears a bit in a variable.
Definition: bitmath_func.hpp:151
VETSB_CONTINUE
@ VETSB_CONTINUE
Bit sets of the above specified bits.
Definition: tile_cmd.h:34
MP_RAILWAY
@ MP_RAILWAY
A railway.
Definition: tile_type.h:47
ROADSIDE_BARREN
@ ROADSIDE_BARREN
Road on barren land.
Definition: road_map.h:478
IsStandardRoadStopTile
static bool IsStandardRoadStopTile(TileIndex t)
Is tile t a standard (non-drive through) road stop station?
Definition: station_map.h:223
BB_HEIGHT_UNDER_BRIDGE
static const uint BB_HEIGHT_UNDER_BRIDGE
Some values for constructing bounding boxes (BB).
Definition: viewport_type.h:92
SetCrossingReservation
static void SetCrossingReservation(TileIndex t, bool b)
Set the reservation state of the rail crossing.
Definition: road_map.h:393
SetRoadOwner
static void SetRoadOwner(TileIndex t, RoadTramType rtt, Owner o)
Set the owner of a specific road type.
Definition: road_map.h:250
GetPartialPixelZ
uint GetPartialPixelZ(int x, int y, Slope corners)
Determines height at given coordinate of a slope.
Definition: landscape.cpp:216
IsDriveThroughStopTile
static bool IsDriveThroughStopTile(TileIndex t)
Is tile t a drive through road stop station?
Definition: station_map.h:233
TILE_SIZE
static const uint TILE_SIZE
Tile size in world coordinates.
Definition: tile_type.h:13
ROADTYPE_END
@ ROADTYPE_END
Used for iterations.
Definition: road_type.h:26
DrawBridgeMiddle
void DrawBridgeMiddle(const TileInfo *ti)
Draw the middle bits of a bridge.
Definition: tunnelbridge_cmd.cpp:1540
GetTrackBits
static TrackBits GetTrackBits(TileIndex tile)
Gets the track bits of the given tile.
Definition: rail_map.h:136
DrawRoadDepotSprite
void DrawRoadDepotSprite(int x, int y, DiagDirection dir, RoadType rt)
Draw the road depot sprite.
Definition: road_cmd.cpp:1800
TileInfo::y
uint y
Y position of the tile in unit coordinates.
Definition: tile_cmd.h:44
_settings_client
ClientSettings _settings_client
The current settings for this game.
Definition: settings.cpp:79
VehicleEnterDepot
void VehicleEnterDepot(Vehicle *v)
Vehicle entirely entered the depot, update its status, orders, vehicle windows, service it,...
Definition: vehicle.cpp:1475
Town::xy
TileIndex xy
town center tile
Definition: town.h:51
DC_NO_WATER
@ DC_NO_WATER
don't allow building on water
Definition: command_type.h:351
newgrf_debug.h
town.h
TileY
static uint TileY(TileIndex tile)
Get the Y component of a tile.
Definition: map_func.h:215
effectvehicle_base.h
Company::infrastructure
CompanyInfrastructure infrastructure
NOSAVE: Counts of company owned infrastructure.
Definition: company_base.h:126
VALID_LEVEL_CROSSING_SLOPES
static const uint32 VALID_LEVEL_CROSSING_SLOPES
Constant bitset with safe slopes for building a level crossing.
Definition: slope_type.h:86
GetSlopePixelZInCorner
static int GetSlopePixelZInCorner(Slope tileh, Corner corner)
Determine the Z height of a corner relative to TileZ.
Definition: landscape.h:53
GetCrossingRoadBits
static RoadBits GetCrossingRoadBits(TileIndex tile)
Get the road bits of a level crossing.
Definition: road_map.h:348
_display_opt
byte _display_opt
What do we want to draw/do?
Definition: transparency_gui.cpp:26
SetRoadBits
static void SetRoadBits(TileIndex t, RoadBits r, RoadTramType rtt)
Set the present road bits for a specific road type.
Definition: road_map.h:152
StartRoadWorks
static void StartRoadWorks(TileIndex t)
Start road works on a tile.
Definition: road_map.h:535
RoadTypeInfo::tunnel
CursorID tunnel
Cursor for building a tunnel.
Definition: road.h:95
TransportType
TransportType
Available types of transport.
Definition: transport_type.h:19
VEH_ROAD
@ VEH_ROAD
Road vehicle type.
Definition: vehicle_type.h:25
Vehicle
Vehicle data structure.
Definition: vehicle_base.h:222
RoadTypeInfo::introduction_date
Date introduction_date
Introduction date.
Definition: road.h:163
ROADTYPE_ROAD
@ ROADTYPE_ROAD
Basic road type.
Definition: road_type.h:24
TerminateRoadWorks
static void TerminateRoadWorks(TileIndex t)
Terminate road works on a tile.
Definition: road_map.h:551
Owner
Owner
Enum for all companies/owners.
Definition: company_type.h:18
DC_EXEC
@ DC_EXEC
execute the given command
Definition: command_type.h:348
SubSprite
Used to only draw a part of the sprite.
Definition: gfx_type.h:222
CheckforTownRating
CommandCost CheckforTownRating(DoCommandFlag flags, Town *t, TownRatingCheckType type)
Does the town authority allow the (destructive) action of the current company?
Definition: town_cmd.cpp:3714
MP_ROAD
@ MP_ROAD
A tile with road (or tram tracks)
Definition: tile_type.h:48
CommandCost::GetErrorMessage
StringID GetErrorMessage() const
Returns the error message of a command.
Definition: command_type.h:140
RoadTypeInfo::depot
CursorID depot
Cursor for building a depot.
Definition: road.h:94
TileDesc
Tile description for the 'land area information' tool.
Definition: tile_cmd.h:51
CanBuildDepotByTileh
static bool CanBuildDepotByTileh(DiagDirection direction, Slope tileh)
Find out if the slope of the tile is suitable to build a depot of given direction.
Definition: depot_func.h:26
SetDParam
static void SetDParam(uint n, uint64 v)
Set a string parameter v at index n in the global string parameter array.
Definition: strings_func.h:199
GetHighestSlopeCorner
static Corner GetHighestSlopeCorner(Slope s)
Returns the highest corner of a slope (one corner raised or a steep slope).
Definition: slope_func.h:126
ROTSG_CURSORS
@ ROTSG_CURSORS
Optional: Cursor and toolbar icon images.
Definition: road.h:58
GetCrossingRailTrack
static Track GetCrossingRailTrack(TileIndex tile)
Get the rail track of a level crossing.
Definition: road_map.h:358
DoCommandFlag
DoCommandFlag
List of flags for a command.
Definition: command_type.h:346
TRACKDIR_Y_SE
@ TRACKDIR_Y_SE
Y-axis and direction to south-east.
Definition: track_type.h:73
genworld.h
Foundation
Foundation
Enumeration for Foundations.
Definition: slope_type.h:93
IsLevelCrossing
static bool IsLevelCrossing(TileIndex t)
Return whether a tile is a level crossing.
Definition: road_map.h:84
EnsureNoVehicleOnGround
CommandCost EnsureNoVehicleOnGround(TileIndex tile)
Ensure there is no vehicle at the ground at the given position.
Definition: vehicle.cpp:539
RoadTypeInfo::road_nwse
CursorID road_nwse
Cursor for building rail in Y direction.
Definition: road.h:92
RoadTypeInfo::road_swne
CursorID road_swne
Cursor for building rail in X direction.
Definition: road.h:91
FlatteningFoundation
static Foundation FlatteningFoundation(Slope s)
Returns the foundation needed to flatten a slope.
Definition: slope_func.h:369
IsStraightRoad
static bool IsStraightRoad(RoadBits r)
Check if we've got a straight road.
Definition: road_func.h:81
TRACK_BIT_UPPER
@ TRACK_BIT_UPPER
Upper track.
Definition: track_type.h:42
CommandCost::Succeeded
bool Succeeded() const
Did this command succeed?
Definition: command_type.h:150
SlopeToSpriteOffset
static uint SlopeToSpriteOffset(Slope s)
Returns the Sprite offset for a given Slope.
Definition: slope_func.h:415
TileX
static uint TileX(TileIndex tile)
Get the X component of a tile.
Definition: map_func.h:205
GetRailReservationTrackBits
static TrackBits GetRailReservationTrackBits(TileIndex t)
Returns the reserved track bits of the tile.
Definition: rail_map.h:194
DiagDirToRoadBits
static RoadBits DiagDirToRoadBits(DiagDirection d)
Create the road-part which belongs to the given DiagDirection.
Definition: road_func.h:96
RoadTypeLabelList
std::vector< RoadTypeLabel > RoadTypeLabelList
List of road type labels.
Definition: road.h:73
CountBits
static uint CountBits(T value)
Counts the number of set bits in a variable.
Definition: bitmath_func.hpp:251
GameSettings::game_creation
GameCreationSettings game_creation
settings used during the creation of a game (map)
Definition: settings_type.h:564
effectvehicle_func.h
TRACK_BIT_RIGHT
@ TRACK_BIT_RIGHT
Right track.
Definition: track_type.h:45
IncreaseRoadWorksCounter
static bool IncreaseRoadWorksCounter(TileIndex t)
Increase the progress counter of road works.
Definition: road_map.h:523
CompareRoadTypes
static bool CompareRoadTypes(const RoadType &first, const RoadType &second)
Compare roadtypes based on their sorting order.
Definition: road_cmd.cpp:107
IsInsideMM
static bool IsInsideMM(const T x, const size_t min, const size_t max)
Checks if a value is in an interval.
Definition: math_func.hpp:204
SLOPE_NW
@ SLOPE_NW
north and west corner are raised
Definition: slope_type.h:55
GetTownRadiusGroup
HouseZonesBits GetTownRadiusGroup(const Town *t, TileIndex tile)
Returns the bit corresponding to the town zone of the specified tile.
Definition: town_cmd.cpp:2256
TileInfo::tileh
Slope tileh
Slope of the tile.
Definition: tile_cmd.h:45
SpriteID
uint32 SpriteID
The number of a sprite, without mapping bits and colourtables.
Definition: gfx_type.h:17
AxisToRoadBits
static RoadBits AxisToRoadBits(Axis a)
Create the road-part which belongs to the given Axis.
Definition: road_func.h:111
TO_TREES
@ TO_TREES
trees
Definition: transparency.h:24
SLOPE_FLAT
@ SLOPE_FLAT
a flat tile
Definition: slope_type.h:49
SoundSettings::ambient
bool ambient
Play ambient, industry and town sounds.
Definition: settings_type.h:201
RailtypeInfo::name
StringID name
Name of this rail type.
Definition: rail.h:173
TileDesc::build_date
Date build_date
Date of construction of tile contents.
Definition: tile_cmd.h:55
TRANSPORT_ROAD
@ TRANSPORT_ROAD
Transport by road vehicle.
Definition: transport_type.h:28
RoadBits
RoadBits
Enumeration for the road parts on a tile.
Definition: road_type.h:50
DrawTileSprites::ground
PalSpriteID ground
Palette and sprite for the ground.
Definition: sprite.h:59
SetTunnelBridgeOwner
static void SetTunnelBridgeOwner(TileIndex begin, TileIndex end, Owner owner)
Sets the ownership of the bridge/tunnel ramps.
Definition: tunnelbridge.h:41
GetRailTypeInfo
static const RailtypeInfo * GetRailTypeInfo(RailType railtype)
Returns a pointer to the Railtype information for a given railtype.
Definition: rail.h:304
ROAD_NONE
@ ROAD_NONE
No road-part is build.
Definition: road_type.h:51
Roadside
Roadside
The possible road side decorations.
Definition: road_map.h:477
DrawRoadAsSnowDesert
static bool DrawRoadAsSnowDesert(TileIndex tile, Roadside roadside)
Should the road be drawn as a unpaved snow/desert road? By default, roads are always drawn as unpaved...
Definition: road_cmd.cpp:1364
GetAllRoadBits
static RoadBits GetAllRoadBits(TileIndex tile)
Get all set RoadBits on the given tile.
Definition: road_map.h:140
GetCustomRoadSprite
SpriteID GetCustomRoadSprite(const RoadTypeInfo *rti, TileIndex tile, RoadTypeSpriteGroup rtsg, TileContext context, uint *num_results)
Get the sprite to draw for the given tile.
Definition: newgrf_roadtype.cpp:120
RoadVehiclesAreBuilt
bool RoadVehiclesAreBuilt()
Verify whether a road vehicle is available.
Definition: road_cmd.cpp:183
ROAD_TILE_NORMAL
@ ROAD_TILE_NORMAL
Normal road.
Definition: road_map.h:22
DRD_NORTHBOUND
@ DRD_NORTHBOUND
All northbound traffic is disallowed.
Definition: road_map.h:288
GetRoadBits
static RoadBits GetRoadBits(TileIndex t, RoadTramType rtt)
Get the present road bits for a specific road type.
Definition: road_map.h:127
DRD_END
@ DRD_END
Sentinel.
Definition: road_map.h:290
ROADSIDE_STREET_LIGHTS
@ ROADSIDE_STREET_LIGHTS
Road with street lights on paved sidewalks.
Definition: road_map.h:481
OrthogonalTileIterator
Iterator to iterate over a tile area (rectangle) of the map.
Definition: tilearea_type.h:138
DistanceManhattan
uint DistanceManhattan(TileIndex t0, TileIndex t1)
Gets the Manhattan distance between the two given tiles.
Definition: map.cpp:157
GetSlopeMaxZ
static int GetSlopeMaxZ(Slope s)
Returns the height of the highest corner of a slope relative to TileZ (= minimal height)
Definition: slope_func.h:160
DrawRailTileSeq
static void DrawRailTileSeq(const struct TileInfo *ti, const DrawTileSprites *dts, TransparencyOption to, int32 total_offset, uint32 newgrf_offset, PaletteID default_palette)
Draw tile sprite sequence on tile with railroad specifics.
Definition: sprite.h:89
VS_HIDDEN
@ VS_HIDDEN
Vehicle is not visible.
Definition: vehicle_base.h:30
depot_base.h
RoadTypeInfo::powered_roadtypes
RoadTypes powered_roadtypes
bitmask to the OTHER roadtypes on which a vehicle of THIS roadtype generates power
Definition: road.h:119
CheckOwnership
CommandCost CheckOwnership(Owner owner, TileIndex tile)
Check whether the current owner owns something.
Definition: company_cmd.cpp:311
AXIS_Y
@ AXIS_Y
The y axis.
Definition: direction_type.h:125
FOUNDATION_INCLINED_Y
@ FOUNDATION_INCLINED_Y
The tile has an along Y-axis inclined foundation.
Definition: slope_type.h:97
RoadVehicleList
std::vector< RoadVehicle * > RoadVehicleList
Helper type for lists/vectors of road vehicles.
Definition: road_cmd.cpp:47
return_cmd_error
#define return_cmd_error(errcode)
Returns from a function with a specific StringID as error.
Definition: command_func.h:33
MapSize
static uint MapSize()
Get the size of the map.
Definition: map_func.h:92
ROADSIDE_GRASS
@ ROADSIDE_GRASS
Road on grass.
Definition: road_map.h:479
EXPENSES_CONSTRUCTION
@ EXPENSES_CONSTRUCTION
Construction costs.
Definition: economy_type.h:158
ComplementRoadBits
static RoadBits ComplementRoadBits(RoadBits r)
Calculate the complement of a RoadBits value.
Definition: road_func.h:37
IsSteepSlope
static bool IsSteepSlope(Slope s)
Checks if a slope is steep.
Definition: slope_func.h:36
CommandCost
Common return value for all commands.
Definition: command_type.h:23
GetSnowLine
byte GetSnowLine()
Get the current snow line, either variable or static.
Definition: landscape.cpp:645
cmd_helper.h
_date
Date _date
Current date in days (day counter)
Definition: date.cpp:28
HasGrfMiscBit
static bool HasGrfMiscBit(GrfMiscBit bit)
Check for grf miscellaneous bits.
Definition: newgrf.h:186
InitRoadTypes
void InitRoadTypes()
Resolve sprites of custom road types.
Definition: road_cmd.cpp:118
ClientSettings::sound
SoundSettings sound
sound effect settings
Definition: settings_type.h:584
CMD_BUILD_ROAD
@ CMD_BUILD_ROAD
build a "half" road
Definition: command_type.h:201
ROTF_HIDDEN
@ ROTF_HIDDEN
Bit number for hidden from construction.
Definition: road.h:42
AxisToTrack
static Track AxisToTrack(Axis a)
Convert an Axis to the corresponding Track AXIS_X -> TRACK_X AXIS_Y -> TRACK_Y Uses the fact that the...
Definition: track_func.h:74
SLOPE_ELEVATED
@ SLOPE_ELEVATED
bit mask containing all 'simple' slopes
Definition: slope_type.h:61
GetAnyRoadBits
RoadBits GetAnyRoadBits(TileIndex tile, RoadTramType rtt, bool straight_tunnel_bridge_entrance)
Returns the RoadBits on an arbitrary tile Special behaviour:
Definition: road_map.cpp:33
HasExactlyOneBit
static bool HasExactlyOneBit(T value)
Test whether value has exactly 1 bit set.
Definition: bitmath_func.hpp:274
DirtyCompanyInfrastructureWindows
void DirtyCompanyInfrastructureWindows(CompanyID company)
Redraw all windows with company infrastructure counts.
Definition: company_gui.cpp:2762
CalcClosestTownFromTile
Town * CalcClosestTownFromTile(TileIndex tile, uint threshold=UINT_MAX)
Return the town closest to the given tile within threshold.
Definition: town_cmd.cpp:3580
DRD_NONE
@ DRD_NONE
None of the directions are disallowed.
Definition: road_map.h:286
TrackBitsToTrackdirBits
static TrackdirBits TrackBitsToTrackdirBits(TrackBits bits)
Converts TrackBits to TrackdirBits while allowing both directions.
Definition: track_func.h:327
GetRailTileType
static RailTileType GetRailTileType(TileIndex t)
Returns the RailTileType (normal with or without signals, waypoint or depot).
Definition: rail_map.h:36
Vehicle::tile
TileIndex tile
Current tile index.
Definition: vehicle_base.h:240
IsNormalRoad
static bool IsNormalRoad(TileIndex t)
Return whether a tile is a normal road.
Definition: road_map.h:63
ToggleSnow
static void ToggleSnow(TileIndex t)
Toggle the snow/desert state of a road tile.
Definition: road_map.h:470
CMD_REMOVE_LONG_ROAD
@ CMD_REMOVE_LONG_ROAD
remove a complete road (not a "half" one)
Definition: command_type.h:200
autoslope.h
TileIterator
Base class for tile iterators.
Definition: tilearea_type.h:99
RemoveRoad
static CommandCost RemoveRoad(TileIndex tile, DoCommandFlag flags, RoadBits pieces, RoadTramType rtt, bool crossing_check, bool town_check=true)
Delete a piece of road.
Definition: road_cmd.cpp:330
TileDesc::roadtype
StringID roadtype
Type of road on the tile.
Definition: tile_cmd.h:65
ResetRoadTypes
void ResetRoadTypes()
Reset all road type information to its default values.
Definition: road_cmd.cpp:62
_cheats
Cheats _cheats
All the cheats.
Definition: cheat.cpp:16
INVALID_OWNER
@ INVALID_OWNER
An invalid owner.
Definition: company_type.h:29
MakeRoadCrossing
static void MakeRoadCrossing(TileIndex t, Owner road, Owner tram, Owner rail, Axis roaddir, RailType rat, RoadType road_rt, RoadType tram_rt, uint town)
Make a level crossing.
Definition: road_map.h:660
RoadTypeInfo::auto_road
SpriteID auto_road
button for the autoroad construction
Definition: road.h:84
FOUNDATION_INCLINED_X
@ FOUNDATION_INCLINED_X
The tile has an along X-axis inclined foundation.
Definition: slope_type.h:96
CmdRemoveLongRoad
CommandCost CmdRemoveLongRoad(TileIndex start_tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
Remove a long piece of road.
Definition: road_cmd.cpp:1089
ROADTYPE_TRAM
@ ROADTYPE_TRAM
Trams.
Definition: road_type.h:25
IsRoadOwner
static bool IsRoadOwner(TileIndex t, RoadTramType rtt, Owner o)
Check if a specific road type is owned by an owner.
Definition: road_map.h:267
CommandCost::Failed
bool Failed() const
Did this command fail?
Definition: command_type.h:159
EconomySettings::mod_road_rebuild
bool mod_road_rebuild
roadworks remove unnecessary RoadBits
Definition: settings_type.h:498
RoadTypeInfo::cursor
struct RoadTypeInfo::@43 cursor
Cursors associated with the road type.
GetRoadside
static Roadside GetRoadside(TileIndex tile)
Get the decorations of a road.
Definition: road_map.h:493
IsInvisibilitySet
static bool IsInvisibilitySet(TransparencyOption to)
Check if the invisibility option bit is set and if we aren't in the game menu (there's never transpar...
Definition: transparency.h:59
ROADSIDE_PAVED
@ ROADSIDE_PAVED
Road with paved sidewalks.
Definition: road_map.h:480
HasRoadCatenaryDrawn
static bool HasRoadCatenaryDrawn(RoadType roadtype)
Test if we should draw road catenary.
Definition: road_func.h:145
GetNorthernBridgeEnd
TileIndex GetNorthernBridgeEnd(TileIndex t)
Finds the northern end of a bridge starting at a middle tile.
Definition: bridge_map.cpp:39
ROADTYPES_TRAM
@ ROADTYPES_TRAM
Trams.
Definition: road_type.h:39
GetNameOfOwner
void GetNameOfOwner(Owner owner, TileIndex tile)
Set the right DParams to get the name of an owner.
Definition: company_cmd.cpp:282
OrthogonalTileArea
Represents the covered area of e.g.
Definition: tilearea_type.h:16
RoadTypes
RoadTypes
The different roadtypes we support, but then a bitmask of them.
Definition: road_type.h:36
TUNNELBRIDGE_TRACKBIT_FACTOR
static const uint TUNNELBRIDGE_TRACKBIT_FACTOR
Multiplier for how many regular track bits a tunnel/bridge counts.
Definition: economy_type.h:222
HasTileRoadType
static bool HasTileRoadType(TileIndex t, RoadTramType rtt)
Check if a tile has a road or a tram road type.
Definition: road_map.h:210
_settings_game
GameSettings _settings_game
Game settings of a running game or the scenario editor.
Definition: settings.cpp:80
GetTropicZone
static TropicZone GetTropicZone(TileIndex tile)
Get the tropic zone.
Definition: tile_map.h:238
RoadTypeInfo::alternate_labels
RoadTypeLabelList alternate_labels
Road type labels this type provides in addition to the main label.
Definition: road.h:149
ToggleDesert
#define ToggleDesert
Toggle the snow/desert state of a road tile.
Definition: road_map.h:465
_roadveh_enter_depot_dir
static const byte _roadveh_enter_depot_dir[4]
Given the direction the road depot is pointing, this is the direction the vehicle should be travellin...
Definition: road_cmd.cpp:2161
GameSettings::economy
EconomySettings economy
settings to change the economy
Definition: settings_type.h:573
IsCrossingBarred
static bool IsCrossingBarred(TileIndex t)
Check if the level crossing is barred.
Definition: road_map.h:416
MAX_COMPANIES
@ MAX_COMPANIES
Maximum number of companies.
Definition: company_type.h:23
_local_company
CompanyID _local_company
Company controlled by the human player at this client. Can also be COMPANY_SPECTATOR.
Definition: company_cmd.cpp:46
TRACK_BIT_X
@ TRACK_BIT_X
X-axis track.
Definition: track_type.h:40
_tile_type_road_procs
const TileTypeProcs _tile_type_road_procs
Tile callback functions for road tiles.
Definition: landscape.cpp:46
ROAD_NE
@ ROAD_NE
North-east part.
Definition: road_type.h:55
GetRoadTileType
static RoadTileType GetRoadTileType(TileIndex t)
Get the type of the road tile.
Definition: road_map.h:51
ROAD_SE
@ ROAD_SE
South-east part.
Definition: road_type.h:54
safeguards.h
CombineTrackStatus
static TrackStatus CombineTrackStatus(TrackdirBits trackdirbits, TrackdirBits red_signals)
Builds a TrackStatus.
Definition: track_func.h:396
IsValidTile
static bool IsValidTile(TileIndex tile)
Checks if a tile is valid.
Definition: tile_map.h:161
CommandCost::GetCost
Money GetCost() const
The costs as made up to this moment.
Definition: command_type.h:82
TileAddByDiagDir
static TileIndex TileAddByDiagDir(TileIndex tile, DiagDirection dir)
Adds a DiagDir to a tile.
Definition: map_func.h:382
ReverseDiagDir
static DiagDirection ReverseDiagDir(DiagDirection d)
Returns the reverse direction of the given DiagDirection.
Definition: direction_func.h:118
GetTileSlope
Slope GetTileSlope(TileIndex tile, int *h)
Return the slope of a given tile inside the map.
Definition: tile_map.cpp:59
IsBridge
static bool IsBridge(TileIndex t)
Checks if this is a bridge, instead of a tunnel.
Definition: bridge_map.h:24
IsTileOwner
static bool IsTileOwner(TileIndex tile, Owner owner)
Checks if a tile belongs to the given owner.
Definition: tile_map.h:214
IsOnSnow
static bool IsOnSnow(TileIndex t)
Check if a road tile has snow/desert.
Definition: road_map.h:459
CMD_REMOVE_SINGLE_RAIL
@ CMD_REMOVE_SINGLE_RAIL
remove a single rail track
Definition: command_type.h:179
DrawTileSprites
Ground palette sprite of a tile, together with its sprite layout.
Definition: sprite.h:58
CleanUpRoadBits
RoadBits CleanUpRoadBits(const TileIndex tile, RoadBits org_rb)
Clean up unnecessary RoadBits of a planned tile.
Definition: road.cpp:47
INVALID_DIAGDIR
@ INVALID_DIAGDIR
Flag for an invalid DiagDirection.
Definition: direction_type.h:84
DrawSprite
void DrawSprite(SpriteID img, PaletteID pal, int x, int y, const SubSprite *sub, ZoomLevel zoom)
Draw a sprite, not in a viewport.
Definition: gfx.cpp:978
MP_TUNNELBRIDGE
@ MP_TUNNELBRIDGE
Tunnel entry/exit and bridge heads.
Definition: tile_type.h:55
DrawRoadTileStruct
Definition: road_cmd.cpp:1284
ROAD_ALL
@ ROAD_ALL
Full 4-way crossing.
Definition: road_type.h:64
AutoslopeEnabled
static bool AutoslopeEnabled()
Tests if autoslope is enabled for _current_company.
Definition: autoslope.h:44
road_internal.h
road.h
UpdateLevelCrossing
void UpdateLevelCrossing(TileIndex tile, bool sound=true)
Sets correct crossing state.
Definition: train_cmd.cpp:1686
GetAvailableMoneyForCommand
Money GetAvailableMoneyForCommand()
Definition: command.cpp:528
TRACKDIR_X_NE
@ TRACKDIR_X_NE
X-axis and direction to north-east.
Definition: track_type.h:72
CompanyInfrastructure::road
uint32 road[ROADTYPE_END]
Count of company owned track bits for each road type.
Definition: company_base.h:31
HasCrossingReservation
static bool HasCrossingReservation(TileIndex t)
Get the reservation state of the rail crossing.
Definition: road_map.h:380
FOUNDATION_NONE
@ FOUNDATION_NONE
The tile has no foundation, the slope remains unchanged.
Definition: slope_type.h:94
IsRoadDepot
static bool IsRoadDepot(TileIndex t)
Return whether a tile is a road depot.
Definition: road_map.h:105
RoadTypeInfo::name
StringID name
Name of this rail type.
Definition: road.h:100
SLOPE_SW
@ SLOPE_SW
south and west corner are raised
Definition: slope_type.h:56
ValParamRoadType
bool ValParamRoadType(RoadType roadtype)
Validate functions for rail building.
Definition: road.cpp:142
GetRoadStopDir
static DiagDirection GetRoadStopDir(TileIndex t)
Gets the direction the road stop entrance points towards.
Definition: station_map.h:257
MarkBridgeDirty
void MarkBridgeDirty(TileIndex begin, TileIndex end, DiagDirection direction, uint bridge_height)
Mark bridge tiles dirty.
Definition: tunnelbridge_cmd.cpp:64
Slope
Slope
Enumeration for the slope-type.
Definition: slope_type.h:48
DiagDirection
DiagDirection
Enumeration for diagonal directions.
Definition: direction_type.h:77
GetFoundationSlope
Slope GetFoundationSlope(TileIndex tile, int *z)
Get slope of a tile on top of a (possible) foundation If a tile does not have a foundation,...
Definition: landscape.cpp:423
_loaded_newgrf_features
GRFLoadedFeatures _loaded_newgrf_features
Indicates which are the newgrf features currently loaded ingame.
Definition: newgrf.cpp:80
TRACK_BIT_ALL
@ TRACK_BIT_ALL
All possible tracks.
Definition: track_type.h:53
roadtypes.h
RailtypeInfo::base_sprites
struct RailtypeInfo::@38 base_sprites
Struct containing the main sprites.
RoadTypeInfo::build_tunnel
SpriteID build_tunnel
button for building a tunnel
Definition: road.h:86
ROADTYPE_BEGIN
@ ROADTYPE_BEGIN
Used for iterations.
Definition: road_type.h:23
ZOOM_LVL_DETAIL
@ ZOOM_LVL_DETAIL
All zoomlevels below or equal to this, will result in details on the screen, like road-work,...
Definition: zoom_type.h:45
ROADSIDE_TREES
@ ROADSIDE_TREES
Road with trees on paved sidewalks.
Definition: road_map.h:483
date_func.h
CommandCost::AddCost
void AddCost(const Money &cost)
Adds the given cost to the cost of the command.
Definition: command_type.h:62
TRACK_BIT_LOWER
@ TRACK_BIT_LOWER
Lower track.
Definition: track_type.h:43
GUISettings::show_track_reservation
bool show_track_reservation
highlight reserved tracks.
Definition: settings_type.h:144
stdafx.h
CmdBuildLongRoad
CommandCost CmdBuildLongRoad(TileIndex start_tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
Build a long piece of road.
Definition: road_cmd.cpp:984
CheckAllowRemoveRoad
CommandCost CheckAllowRemoveRoad(TileIndex tile, RoadBits remove, Owner owner, RoadTramType rtt, DoCommandFlag flags, bool town_check)
Is it allowed to remove the given road bits from the given tile?
Definition: road_cmd.cpp:266
DO_FULL_DETAIL
@ DO_FULL_DETAIL
Also draw details of track and roads.
Definition: openttd.h:48
RoadType
RoadType
The different roadtypes we support.
Definition: road_type.h:22
TileTypeProcs
Set of callback functions for performing tile operations of a given tile type.
Definition: tile_cmd.h:145
ConstructionSettings::extra_dynamite
bool extra_dynamite
extra dynamite
Definition: settings_type.h:328
RATING_ROAD_MINIMUM
@ RATING_ROAD_MINIMUM
minimum rating after removing town owned road
Definition: town_type.h:65
Cheat::value
bool value
tells if the bool cheat is active or not
Definition: cheat_type.h:18
UpdateNearestTownForRoadTiles
void UpdateNearestTownForRoadTiles(bool invalidate)
Updates cached nearest town for all road tiles.
Definition: road_cmd.cpp:1843
DC_BANKRUPT
@ DC_BANKRUPT
company bankrupts, skip money check, skip vehicle on tile check in some cases
Definition: command_type.h:354
CMD_CONVERT_ROAD
@ CMD_CONVERT_ROAD
convert a road type
Definition: command_type.h:203
CanConvertUnownedRoadType
static bool CanConvertUnownedRoadType(Owner owner, RoadTramType rtt)
Checks the tile and returns whether the current player is allowed to convert the roadtype to another ...
Definition: road_cmd.cpp:2303
viewport_func.h
AxisToDiagDir
static DiagDirection AxisToDiagDir(Axis a)
Converts an Axis to a DiagDirection.
Definition: direction_func.h:232
IsTileType
static bool IsTileType(TileIndex tile, TileType type)
Checks if a tile is a given tiletype.
Definition: tile_map.h:150
ROAD_NW
@ ROAD_NW
North-west part.
Definition: road_type.h:52
GetTunnelBridgeDirection
static DiagDirection GetTunnelBridgeDirection(TileIndex t)
Get the direction pointing to the other end.
Definition: tunnelbridge_map.h:26
ChangeTownRating
void ChangeTownRating(Town *t, int add, int max, DoCommandFlag flags)
Changes town rating of the current company.
Definition: town_cmd.cpp:3677
GetTileOwner
static Owner GetTileOwner(TileIndex tile)
Returns the owner of a tile.
Definition: tile_map.h:178
AddSortableSpriteToDraw
void AddSortableSpriteToDraw(SpriteID image, PaletteID pal, int x, int y, int w, int h, int dz, int z, bool transparent, int bb_offset_x, int bb_offset_y, int bb_offset_z, const SubSprite *sub)
Draw a (transparent) sprite at given coordinates with a given bounding box.
Definition: viewport.cpp:660
ConvertRoadTypeOwner
static void ConvertRoadTypeOwner(TileIndex tile, uint num_pieces, Owner owner, RoadType from_type, RoadType to_type)
Convert the ownership of the RoadType of the tile if applicable.
Definition: road_cmd.cpp:2316
yapf_cache.h
Vehicle::direction
Direction direction
facing
Definition: vehicle_base.h:281
ApplyPixelFoundationToSlope
static uint ApplyPixelFoundationToSlope(Foundation f, Slope *s)
Applies a foundation to a slope.
Definition: landscape.h:129
DrawFoundation
void DrawFoundation(TileInfo *ti, Foundation f)
Draw foundation f at tile ti.
Definition: landscape.cpp:471
DrawTile_Road
static void DrawTile_Road(TileInfo *ti)
Tile callback function for rendering a road tile to the screen.
Definition: road_cmd.cpp:1664
_generating_world
bool _generating_world
Whether we are generating the map or not.
Definition: genworld.cpp:61
EconomySettings::dist_local_authority
byte dist_local_authority
distance for town local authority, default 20
Definition: settings_type.h:493
DistanceSquare
uint DistanceSquare(TileIndex t0, TileIndex t1)
Gets the 'Square' distance between the two given tiles.
Definition: map.cpp:174
RoadTypeInfo::build_x_road
SpriteID build_x_road
button for building single rail in X direction
Definition: road.h:82
RoadTypeInfo::convert_road
SpriteID convert_road
button for converting road types
Definition: road.h:87
SetRoadType
static void SetRoadType(TileIndex t, RoadTramType rtt, RoadType rt)
Set the road type of a tile.
Definition: road_map.h:604
ReverseDir
static Direction ReverseDir(Direction d)
Return the reverse of a direction.
Definition: direction_func.h:54
MakeDefaultName
void MakeDefaultName(T *obj)
Set the default name for a depot/waypoint.
Definition: town.h:239
StringID
uint32 StringID
Numeric value that represents a string, independent of the selected language.
Definition: strings_type.h:16
TRACKDIR_BIT_NONE
@ TRACKDIR_BIT_NONE
No track build.
Definition: track_type.h:102
GetDisallowedRoadDirections
static DisallowedRoadDirections GetDisallowedRoadDirections(TileIndex t)
Gets the disallowed directions.
Definition: road_map.h:301
ROAD_DEPOT_TRACKBIT_FACTOR
static const uint ROAD_DEPOT_TRACKBIT_FACTOR
Multiplier for how many regular track bits a road depot counts.
Definition: economy_type.h:226
GetCustomRailSprite
SpriteID GetCustomRailSprite(const RailtypeInfo *rti, TileIndex tile, RailTypeSpriteGroup rtsg, TileContext context, uint *num_results)
Get the sprite to draw for the given tile.
Definition: newgrf_railtype.cpp:102
_current_company
CompanyID _current_company
Company currently doing an action.
Definition: company_cmd.cpp:47
vehicle_func.h
HasRoadCatenary
static bool HasRoadCatenary(RoadType roadtype)
Test if a road type has catenary.
Definition: road_func.h:135
PALETTE_CRASH
static const PaletteID PALETTE_CRASH
Recolour sprite greying of crashed vehicles.
Definition: sprites.h:1594
strings_func.h
PALETTE_TO_BARE_LAND
static const PaletteID PALETTE_TO_BARE_LAND
sets colour to bare land stuff for rail, road and crossings
Definition: sprites.h:1582
SlopeWithOneCornerRaised
static Slope SlopeWithOneCornerRaised(Corner corner)
Returns the slope with a specific corner raised.
Definition: slope_func.h:99
newgrf_roadtype.h
TRACK_BIT_LEFT
@ TRACK_BIT_LEFT
Left track.
Definition: track_type.h:44
DisallowedRoadDirections
DisallowedRoadDirections
Which directions are disallowed ?
Definition: road_map.h:285
GRFLoadedFeatures::tram
TramReplacement tram
In which way tram depots were replaced.
Definition: newgrf.h:178
WC_BUILD_VEHICLE
@ WC_BUILD_VEHICLE
Build vehicle; Window numbers:
Definition: window_type.h:376
INVALID_DATE
static const Date INVALID_DATE
Representation of an invalid date.
Definition: date_type.h:110
RoadTypeInfo::label
RoadTypeLabel label
Unique 32 bit road type identifier.
Definition: road.h:144
DRD_BOTH
@ DRD_BOTH
All directions are disallowed.
Definition: road_map.h:289
SpecializedVehicle< RoadVehicle, Type >::From
static RoadVehicle * From(Vehicle *v)
Converts a Vehicle to SpecializedVehicle with type checking.
Definition: vehicle_base.h:1162
SetDisallowedRoadDirections
static void SetDisallowedRoadDirections(TileIndex t, DisallowedRoadDirections drd)
Sets the disallowed directions.
Definition: road_map.h:312
IsSlopeWithOneCornerRaised
static bool IsSlopeWithOneCornerRaised(Slope s)
Tests if a specific slope has exactly one corner raised.
Definition: slope_func.h:88
TRAMWAY_REPLACE_DEPOT_WITH_TRACK
@ TRAMWAY_REPLACE_DEPOT_WITH_TRACK
Electrified depot graphics with tram track were loaded.
Definition: newgrf.h:170
TileType
TileType
The different types of tiles.
Definition: tile_type.h:45
ROAD_TILE_DEPOT
@ ROAD_TILE_DEPOT
Depot (one entrance)
Definition: road_map.h:24
PaletteID
uint32 PaletteID
The number of the palette.
Definition: gfx_type.h:18
HasRailCatenaryDrawn
static bool HasRailCatenaryDrawn(RailType rt)
Test if we should draw rail catenary.
Definition: elrail_func.h:30
ConstructionSettings::build_on_slopes
bool build_on_slopes
allow building on slopes
Definition: settings_type.h:322
ROTSG_OVERLAY
@ ROTSG_OVERLAY
Optional: Images for overlaying track.
Definition: road.h:59
RoadTypeInfo::autoroad
CursorID autoroad
Cursor for autorail tool.
Definition: road.h:93
DrawRoadDetail
static void DrawRoadDetail(SpriteID img, const TileInfo *ti, int dx, int dy, int h, bool transparent)
Draws details on/around the road.
Definition: road_cmd.cpp:1495
RoadClearCost
static Money RoadClearCost(RoadType roadtype)
Returns the cost of clearing the specified roadtype.
Definition: road.h:260
TRACKDIR_Y_NW
@ TRACKDIR_Y_NW
Y-axis and direction to north-west.
Definition: track_type.h:81
cheat_type.h
SetTownIndex
static void SetTownIndex(TileIndex t, TownID index)
Set the town index for a road or house tile.
Definition: town_map.h:34
MarkTileDirtyByTile
void MarkTileDirtyByTile(TileIndex tile, int bridge_level_offset, int tile_height_override)
Mark a tile given by its index dirty for repaint.
Definition: viewport.cpp:1985
OWNER_NONE
@ OWNER_NONE
The tile has no ownership.
Definition: company_type.h:25
FOUNDATION_LEVELED
@ FOUNDATION_LEVELED
The tile is leveled up to a flat slope.
Definition: slope_type.h:95
CompanyInfrastructure::rail
uint32 rail[RAILTYPE_END]
Count of company owned track bits for each rail type.
Definition: company_base.h:33
MakeRoadNormal
static void MakeRoadNormal(TileIndex t, RoadBits bits, RoadType road_rt, RoadType tram_rt, TownID town, Owner road, Owner tram)
Make a normal road tile.
Definition: road_map.h:635
TileDiffXY
static TileIndexDiff TileDiffXY(int x, int y)
Calculates an offset for the given coordinate(-offset).
Definition: map_func.h:179
GetRailType
static RailType GetRailType(TileIndex t)
Gets the rail type of the given tile.
Definition: rail_map.h:115
WC_VEHICLE_DEPOT
@ WC_VEHICLE_DEPOT
Depot view; Window numbers:
Definition: window_type.h:344
newgrf.h
CmdConvertRoad
CommandCost CmdConvertRoad(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
Convert one road subtype to another.
Definition: road_cmd.cpp:2353
MP_STATION
@ MP_STATION
A tile of a station.
Definition: tile_type.h:51
ROTSG_CATENARY_FRONT
@ ROTSG_CATENARY_FRONT
Optional: Catenary front.
Definition: road.h:62
Town::cache
TownCache cache
Container for all cacheable data.
Definition: town.h:53
GetCrossingRailAxis
static Axis GetCrossingRailAxis(TileIndex t)
Get the rail axis of a level crossing.
Definition: road_map.h:337
ROAD_Y
@ ROAD_Y
Full road along the y-axis (north-west + south-east)
Definition: road_type.h:57
FindVehicleOnPos
void FindVehicleOnPos(TileIndex tile, void *data, VehicleFromPosProc *proc)
Find a vehicle from a specific location.
Definition: vehicle.cpp:498
UpdateCompanyRoadInfrastructure
void UpdateCompanyRoadInfrastructure(RoadType rt, Owner o, int count)
Update road infrastructure counts for a company.
Definition: road_cmd.cpp:194
RAIL_TILE_NORMAL
@ RAIL_TILE_NORMAL
Normal rail tile without signals.
Definition: rail_map.h:24
Pool::PoolItem<&_depot_pool >::CanAllocateItem
static bool CanAllocateItem(size_t n=1)
Helper functions so we can use PoolItem::Function() instead of _poolitem_pool.Function()
Definition: pool_type.hpp:299
RATING_ROAD_DOWN_STEP_EDGE
@ RATING_ROAD_DOWN_STEP_EDGE
removing a roadpiece at the edge
Definition: town_type.h:64
DIAGDIR_BEGIN
@ DIAGDIR_BEGIN
Used for iterations.
Definition: direction_type.h:78
GetRoadTypeInfo
static const RoadTypeInfo * GetRoadTypeInfo(RoadType roadtype)
Returns a pointer to the Roadtype information for a given roadtype.
Definition: road.h:224
OWNER_DEITY
@ OWNER_DEITY
The object is owned by a superuser / goal script.
Definition: company_type.h:27
TileDesc::str
StringID str
Description of the tile.
Definition: tile_cmd.h:52
DC_AUTO
@ DC_AUTO
don't allow building on structures
Definition: command_type.h:349
GetTileMaxPixelZ
static int GetTileMaxPixelZ(TileIndex tile)
Get top height of the tile.
Definition: tile_map.h:304
RailtypeInfo::strings
struct RailtypeInfo::@41 strings
Strings associated with the rail type.
EffectVehicle
A special vehicle is one of the following:
Definition: effectvehicle_base.h:24
CreateEffectVehicleAbove
EffectVehicle * CreateEffectVehicleAbove(int x, int y, int z, EffectVehicleType type)
Create an effect vehicle above a particular location.
Definition: effectvehicle.cpp:622
SpecializedVehicle< RoadVehicle, Type >::Iterate
static Pool::IterateWrapper< RoadVehicle > Iterate(size_t from=0)
Returns an iterable ensemble of all valid vehicles of type T.
Definition: vehicle_base.h:1231
DrawGroundSpriteAt
void DrawGroundSpriteAt(SpriteID image, PaletteID pal, int32 x, int32 y, int z, const SubSprite *sub, int extra_offs_x, int extra_offs_y)
Draws a ground sprite at a specific world-coordinate relative to the current tile.
Definition: viewport.cpp:553
IsOnDesert
#define IsOnDesert
Check if a road tile has snow/desert.
Definition: road_map.h:453
TILE_ADDXY
#define TILE_ADDXY(tile, x, y)
Adds a given offset to a tile.
Definition: map_func.h:258
error
void CDECL error(const char *s,...)
Error handling for fatal non-user errors.
Definition: openttd.cpp:132
TrackBits
TrackBits
Bitfield corresponding to Track.
Definition: track_type.h:38
CheckTileOwnership
CommandCost CheckTileOwnership(TileIndex tile)
Check whether the current owner owns the stuff on the given tile.
Definition: company_cmd.cpp:329
GetRoadFoundation
static Foundation GetRoadFoundation(Slope tileh, RoadBits bits)
Get the foundationtype of a RoadBits Slope combination.
Definition: road_cmd.cpp:1299
GetTunnelBridgeLength
static uint GetTunnelBridgeLength(TileIndex begin, TileIndex end)
Calculates the length of a tunnel or a bridge (without end tiles)
Definition: tunnelbridge.h:25
Depot::build_date
Date build_date
Date of construction.
Definition: depot_base.h:25
Depot
Definition: depot_base.h:19
SetBit
static T SetBit(T &x, const uint8 y)
Set a bit in a variable.
Definition: bitmath_func.hpp:121
Town
Town data structure.
Definition: town.h:50
lengthof
#define lengthof(x)
Return the length of an fixed size array.
Definition: stdafx.h:369
ROTSG_DEPOT
@ ROTSG_DEPOT
Optional: Depot images.
Definition: road.h:66
TileDesc::rail_speed
uint16 rail_speed
Speed limit of rail (bridges and track)
Definition: tile_cmd.h:64
DiagDirToDiagTrackBits
static TrackBits DiagDirToDiagTrackBits(DiagDirection diagdir)
Maps a (4-way) direction to the diagonal track bits incidating with that diagdir.
Definition: track_func.h:532
RoadTypeInfo::max_speed
uint16 max_speed
Maximum speed for vehicles travelling on this road type.
Definition: road.h:139
random_func.hpp
DRD_SOUTHBOUND
@ DRD_SOUTHBOUND
All southbound traffic is disallowed.
Definition: road_map.h:287
TILE_HEIGHT
static const uint TILE_HEIGHT
Height of a height level in world coordinate AND in pixels in #ZOOM_LVL_BASE.
Definition: tile_type.h:16
DrawRoadTypeCatenary
void DrawRoadTypeCatenary(const TileInfo *ti, RoadType rt, RoadBits rb)
Draws the catenary for the RoadType of the given tile.
Definition: road_cmd.cpp:1377
OverflowSafeInt< int64, INT64_MAX, INT64_MIN >
DrawRailCatenary
void DrawRailCatenary(const TileInfo *ti)
Draws overhead wires and pylons for electric railways.
Definition: elrail.cpp:566
RoadBuildCost
static Money RoadBuildCost(RoadType roadtype)
Returns the cost of building the specified roadtype.
Definition: road.h:249
HasPowerOnRoad
static bool HasPowerOnRoad(RoadType enginetype, RoadType tiletype)
Checks if an engine of the given RoadType got power on a tile with a given RoadType.
Definition: road.h:239
INVALID_TILE
static const TileIndex INVALID_TILE
The very nice invalid tile marker.
Definition: tile_type.h:88
IsNormalRoadTile
static bool IsNormalRoadTile(TileIndex t)
Return whether a tile is a normal road tile.
Definition: road_map.h:73
Axis
Axis
Allow incrementing of DiagDirDiff variables.
Definition: direction_type.h:123
SetRoadside
static void SetRoadside(TileIndex tile, Roadside s)
Set the decorations of a road.
Definition: road_map.h:503
MakeRoadDepot
static void MakeRoadDepot(TileIndex t, Owner owner, DepotID did, DiagDirection dir, RoadType rt)
Make a road depot.
Definition: road_map.h:683
GetRoadOwner
static Owner GetRoadOwner(TileIndex t, RoadTramType rtt)
Get the owner of a specific road type.
Definition: road_map.h:233
RATING_ROAD_DOWN_STEP_INNER
@ RATING_ROAD_DOWN_STEP_INNER
removing a roadpiece in the middle
Definition: town_type.h:63
TileDesc::owner_type
StringID owner_type[4]
Type of each owner.
Definition: tile_cmd.h:54
GetCrossingRoadAxis
static Axis GetCrossingRoadAxis(TileIndex t)
Get the road axis of a level crossing.
Definition: road_map.h:325
GetOtherTunnelBridgeEnd
static TileIndex GetOtherTunnelBridgeEnd(TileIndex t)
Determines type of the wormhole and returns its other end.
Definition: tunnelbridge_map.h:78
ROAD_STOP_TRACKBIT_FACTOR
static const uint ROAD_STOP_TRACKBIT_FACTOR
Multiplier for how many regular track bits a bay stop counts.
Definition: economy_type.h:228
AllocateRoadType
RoadType AllocateRoadType(RoadTypeLabel label, RoadTramType rtt)
Allocate a new road type label.
Definition: road_cmd.cpp:138
SetTileOwner
static void SetTileOwner(TileIndex tile, Owner owner)
Sets the owner of a tile.
Definition: tile_map.h:198
GetRoadSpriteOffset
static uint GetRoadSpriteOffset(Slope slope, RoadBits bits)
Get the sprite offset within a spritegroup.
Definition: road_cmd.cpp:1334
TRACK_BIT_Y
@ TRACK_BIT_Y
Y-axis track.
Definition: track_type.h:41
TileInfo::tile
TileIndex tile
Tile index.
Definition: tile_cmd.h:46
_invalid_tileh_slopes_road
static const RoadBits _invalid_tileh_slopes_road[2][15]
Invalid RoadBits on slopes.
Definition: road_cmd.cpp:206
GameSettings::construction
ConstructionSettings construction
construction of things in-game
Definition: settings_type.h:565
MirrorRoadBits
static RoadBits MirrorRoadBits(RoadBits r)
Calculate the mirrored RoadBits.
Definition: road_func.h:51
DC_NONE
@ DC_NONE
no flag is set
Definition: command_type.h:347
ROTFB_NONE
@ ROTFB_NONE
All flags cleared.
Definition: road.h:45
GetTileType
static TileType GetTileType(TileIndex tile)
Get the tiletype of a given tile.
Definition: tile_map.h:96
RailtypeInfo::crossing
SpriteID crossing
level crossing, rail in X direction
Definition: rail.h:141
Pool::PoolItem<&_company_pool >::IsValidID
static bool IsValidID(size_t index)
Tests whether given index can be used to get valid (non-nullptr) Titem.
Definition: pool_type.hpp:318
BaseVehicle::type
VehicleType type
Type of vehicle.
Definition: vehicle_type.h:52
TRACKDIR_X_SW
@ TRACKDIR_X_SW
X-axis and direction to south-west.
Definition: track_type.h:80
TileDesc::tramtype
StringID tramtype
Type of tram on the tile.
Definition: tile_cmd.h:67
SpecializedVehicle::First
T * First() const
Get the first vehicle in the chain.
Definition: vehicle_base.h:1059
_roadtypes_type
RoadTypes _roadtypes_type
Bitmap of road/tram types.
Definition: road_cmd.cpp:57
CmdBuildRoadDepot
CommandCost CmdBuildRoadDepot(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
Build a road depot.
Definition: road_cmd.cpp:1166
RoadNoLevelCrossing
static bool RoadNoLevelCrossing(RoadType roadtype)
Test if road disallows level crossings.
Definition: road.h:292
TUNNELBRIDGE_REMOVE
@ TUNNELBRIDGE_REMOVE
Removal of a tunnel or bridge owned by the towb.
Definition: town.h:162
GetTilePixelSlope
static Slope GetTilePixelSlope(TileIndex tile, int *h)
Return the slope of a given tile.
Definition: tile_map.h:280
Track
Track
These are used to specify a single track.
Definition: track_type.h:19
ApplyFoundationToSlope
uint ApplyFoundationToSlope(Foundation f, Slope *s)
Applies a foundation to a slope.
Definition: landscape.cpp:163
CheckRoadSlope
static CommandCost CheckRoadSlope(Slope tileh, RoadBits *pieces, RoadBits existing, RoadBits other)
Calculate the costs for roads on slopes Aside modify the RoadBits to fit on the slopes.
Definition: road_cmd.cpp:547
ROAD_REMOVE
@ ROAD_REMOVE
Removal of a road owned by the town.
Definition: town.h:161
ShowDepotWindow
void ShowDepotWindow(TileIndex tile, VehicleType type)
Opens a depot window.
Definition: depot_gui.cpp:1102
GetTunnelBridgeTransportType
static TransportType GetTunnelBridgeTransportType(TileIndex t)
Tunnel: Get the transport type of the tunnel (road or rail) Bridge: Get the transport type of the bri...
Definition: tunnelbridge_map.h:39
GetCrossingRailBits
static TrackBits GetCrossingRailBits(TileIndex tile)
Get the rail track bits of a level crossing.
Definition: road_map.h:368
DIAGDIR_NE
@ DIAGDIR_NE
Northeast, upper right on your monitor.
Definition: direction_type.h:79
ROADTYPES_NONE
@ ROADTYPES_NONE
No roadtypes.
Definition: road_type.h:37
Company
Definition: company_base.h:110
RVSB_IN_DEPOT
@ RVSB_IN_DEPOT
The vehicle is in a depot.
Definition: roadveh.h:39
SLOPE_SE
@ SLOPE_SE
south and east corner are raised
Definition: slope_type.h:57
HasRoadWorks
static bool HasRoadWorks(TileIndex t)
Check if a tile has road works.
Definition: road_map.h:513
OWNER_WATER
@ OWNER_WATER
The tile/execution is done by "water".
Definition: company_type.h:26
CLRBITS
#define CLRBITS(x, y)
Clears several bits in a variable.
Definition: bitmath_func.hpp:166
ROTSG_CATENARY_BACK
@ ROTSG_CATENARY_BACK
Optional: Catenary back.
Definition: road.h:63
CanConnectToRoad
static bool CanConnectToRoad(TileIndex tile, RoadType rt, DiagDirection dir)
Checks whether a road or tram connection can be found when building a new road or tram.
Definition: road_cmd.cpp:953
SLOPE_NE
@ SLOPE_NE
north and east corner are raised
Definition: slope_type.h:58
SPR_ONEWAY_BASE
static const SpriteID SPR_ONEWAY_BASE
One way road sprites.
Definition: sprites.h:287
VehicleEnterTileStatus
VehicleEnterTileStatus
The returned bits of VehicleEnterTile.
Definition: tile_cmd.h:20
CMD_LANDSCAPE_CLEAR
@ CMD_LANDSCAPE_CLEAR
demolish a tile
Definition: command_type.h:180
OWNER_TOWN
@ OWNER_TOWN
A town owns the tile, or a town is expanding.
Definition: company_type.h:24
newgrf_railtype.h
TunnelBridgeIsFree
CommandCost TunnelBridgeIsFree(TileIndex tile, TileIndex endtile, const Vehicle *ignore)
Finds vehicle in tunnel / bridge.
Definition: vehicle.cpp:568
DrawGroundSprite
void DrawGroundSprite(SpriteID image, PaletteID pal, const SubSprite *sub, int extra_offs_x, int extra_offs_y)
Draws a ground sprite for the current tile.
Definition: viewport.cpp:576
ClientSettings::gui
GUISettings gui
settings related to the GUI
Definition: settings_type.h:581
ROADSIDE_GRASS_ROAD_WORKS
@ ROADSIDE_GRASS_ROAD_WORKS
Road on grass with road works.
Definition: road_map.h:484
MayHaveRoad
static bool MayHaveRoad(TileIndex t)
Test whether a tile can have road/tram types.
Definition: road_map.h:32
SPR_TRAMWAY_BASE
static const SpriteID SPR_TRAMWAY_BASE
Tramway sprites.
Definition: sprites.h:266
TileVirtXY
static TileIndex TileVirtXY(uint x, uint y)
Get a tile from the virtual XY-coordinate.
Definition: map_func.h:194
VETSB_ENTERED_WORMHOLE
@ VETSB_ENTERED_WORMHOLE
The vehicle either entered a bridge, tunnel or depot tile (this includes the last tile of the bridge/...
Definition: tile_cmd.h:36
IsBridgeAbove
static bool IsBridgeAbove(TileIndex t)
checks if a bridge is set above the ground of this tile
Definition: bridge_map.h:45
roadveh.h
TileDesc::road_speed
uint16 road_speed
Speed limit of road (bridges and track)
Definition: tile_cmd.h:66
AXIS_X
@ AXIS_X
The X axis.
Definition: direction_type.h:124