OpenTTD Source: src/road_cmd.cpp Source File

OpenTTD Source 1.11.0-RC1

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"
16 #include "pathfinder/yapf/yapf_cache.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
57 RoadTypes _roadtypes_type;
58
62 void ResetRoadTypes()
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,
74 RoadTypeLabelList(), 0, 0, ROADTYPES_NONE, ROADTYPES_NONE, 0,
75 {}, {} };
76 for (; i < lengthof(_roadtypes); i++) _roadtypes[i] = empty_roadtype;
77
78 _roadtypes_hidden_mask = ROADTYPES_NONE;
79 _roadtypes_type = ROADTYPES_TRAM;
80 }
81
82 void ResolveRoadTypeGUISprites(RoadTypeInfo *rti)
83 {
84 SpriteID cursors_base = GetCustomRoadSprite(rti, INVALID_TILE, ROTSG_CURSORS);
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)) {
110 return GetRoadTypeInfo(first)->sorting_order < GetRoadTypeInfo(second)->sorting_order;
111 }
112 return RoadTypeIsTram(first) < RoadTypeIsTram(second);
113 }
114
118 void InitRoadTypes()
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;
149 rti->introduction_date = INVALID_DATE;
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
183 bool RoadVehiclesAreBuilt()
184 {
185 return !RoadVehicle::Iterate().empty();
186 }
187
194 void UpdateCompanyRoadInfrastructure(RoadType rt, Owner o, int count)
195 {
196 if (rt == INVALID_ROADTYPE) return;
197
198 Company *c = Company::GetIfValid(o);
199 if (c == nullptr) return;
200
201 c->infrastructure.road[rt] += count;
202 DirtyCompanyInfrastructureWindows(c->index);
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
286 if (_cheats.magic_bulldozer.value) return CommandCost();
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 */
309 if (!_settings_game.construction.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: {
340 CommandCost ret = EnsureNoVehicleOnGround(tile);
341 if (ret.Failed()) return ret;
342 break;
343 }
344
345 case MP_STATION: {
346 if (!IsDriveThroughStopTile(tile)) return CMD_ERROR;
347
348 CommandCost ret = EnsureNoVehicleOnGround(tile);
349 if (ret.Failed()) return ret;
350 break;
351 }
352
353 case MP_TUNNELBRIDGE: {
354 if (GetTunnelBridgeTransportType(tile) != TRANSPORT_ROAD) return CMD_ERROR;
355 CommandCost ret = TunnelBridgeIsFree(tile, GetOtherTunnelBridgeEnd(tile));
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
371 CommandCost cost(EXPENSES_CONSTRUCTION);
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)) {
422 tileh = SlopeWithOneCornerRaised(GetHighestSlopeCorner(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) ||
435 (tileh != SLOPE_FLAT && !_settings_game.construction.build_on_slopes)) {
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);
456 for (EffectVehicle *v : EffectVehicle::Iterate()) {
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. */
515 Company *c = Company::GetIfValid(GetTileOwner(tile));
516 if (c != nullptr) {
517 c->infrastructure.rail[GetRailType(tile)] -= LEVELCROSSING_TRACKBIT_FACTOR - 1;
518 DirtyCompanyInfrastructureWindows(c->index);
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)) {
560 tileh = SlopeWithOneCornerRaised(GetHighestSlopeCorner(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 */
587 if (_settings_game.construction.build_on_slopes) {
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;
616 CommandCost cost(EXPENSES_CONSTRUCTION);
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
678 DisallowedRoadDirections dis_existing = GetDisallowedRoadDirections(tile);
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)) {
686 CommandCost ret = EnsureNoVehicleOnGround(tile);
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
766 CommandCost ret = EnsureNoVehicleOnGround(tile);
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. */
777 Company *c = Company::GetIfValid(GetTileOwner(tile));
778 if (c != nullptr) {
779 c->infrastructure.rail[GetRailType(tile)] += LEVELCROSSING_TRACKBIT_FACTOR - 1;
780 DirtyCompanyInfrastructureWindows(c->index);
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 }
790 return CommandCost(EXPENSES_CONSTRUCTION, 2 * RoadBuildCost(rt));
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
797 RoadBits curbits = AxisToRoadBits(DiagDirToAxis(GetRoadStopDir(tile)));
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 */
811 CommandCost ret = TunnelBridgeIsFree(tile, GetOtherTunnelBridgeEnd(tile));
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
858 CommandCost ret = EnsureNoVehicleOnGround(tile);
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;
937 SetDisallowedRoadDirections(tile, IsStraightRoad(existing) ?
938 GetDisallowedRoadDirections(tile) ^ toggle_drd : DRD_NONE);
939 }
940
941 MarkTileDirtyByTile(tile);
942 }
943 return cost;
944 }
945
953 static bool CanConnectToRoad(TileIndex tile, RoadType rt, DiagDirection dir)
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 {
986 DisallowedRoadDirections drd = DRD_NORTHBOUND;
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
1015 CommandCost cost(EXPENSES_CONSTRUCTION);
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 {
1091 CommandCost cost(EXPENSES_CONSTRUCTION);
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
1173 CommandCost cost(EXPENSES_CONSTRUCTION);
1174
1175 Slope tileh = GetTileSlope(tile);
1176 if (tileh != SLOPE_FLAT) {
1177 if (!_settings_game.construction.build_on_slopes || !CanBuildDepotByTileh(dir, tileh)) {
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. */
1195 UpdateCompanyRoadInfrastructure(rt, _current_company, ROAD_DEPOT_TRACKBIT_FACTOR);
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
1212 CommandCost ret = EnsureNoVehicleOnGround(tile);
1213 if (ret.Failed()) return ret;
1214
1215 if (flags & DC_EXEC) {
1216 Company *c = Company::GetIfValid(GetTileOwner(tile));
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);
1221 c->infrastructure.road[rt] -= ROAD_DEPOT_TRACKBIT_FACTOR;
1222 DirtyCompanyInfrastructureWindows(c->index);
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)) {
1240 CommandCost ret(EXPENSES_CONSTRUCTION);
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: {
1254 CommandCost ret(EXPENSES_CONSTRUCTION);
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
1284 struct DrawRoadTileStruct {
1285 uint16 image;
1286 byte subcoord_x;
1287 byte subcoord_y;
1288 };
1289
1290 #include "table/road_land.h"
1291
1299 static Foundation GetRoadFoundation(Slope tileh, RoadBits bits)
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)) {
1306 tileh = SlopeWithOneCornerRaised(GetHighestSlopeCorner(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
1377 void DrawRoadTypeCatenary(const TileInfo *ti, RoadType rt, RoadBits rb)
1378 {
1379 /* Don't draw the catenary under a low bridge */
1380 if (IsBridgeAbove(ti->tile) && !IsTransparencySet(TO_CATENARY)) {
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);
1408 SpriteID front = GetCustomRoadSprite(rti, ti->tile, ROTSG_CATENARY_FRONT);
1409 SpriteID back = GetCustomRoadSprite(rti, ti->tile, ROTSG_CATENARY_BACK);
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
1449 void DrawRoadCatenary(const TileInfo *ti)
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) {
1565 case ROADSIDE_BARREN: *pal = PALETTE_TO_BARE_LAND;
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) {
1623 DisallowedRoadDirections drd = GetDisallowedRoadDirections(ti->tile);
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: {
1672 if (ti->tileh != SLOPE_FLAT) DrawFoundation(ti, FOUNDATION_LEVELED);
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;
1732 SpriteID rail = GetCrossingRoadAxis(ti->tile) == AXIS_Y ? GetRailTypeInfo(GetRailType(ti->tile))->base_sprites.single_x : GetRailTypeInfo(GetRailType(ti->tile))->base_sprites.single_y;
1733 DrawGroundSprite(rail, pal);
1734 }
1735
1736 /* Draw road, tram catenary */
1737 DrawRoadCatenary(ti);
1738
1739 /* Draw rail catenary */
1740 if (HasRailCatenaryDrawn(GetRailType(ti->tile))) DrawRailCatenary(ti);
1741
1742 break;
1743 }
1744
1745 default:
1746 case ROAD_TILE_DEPOT: {
1747 if (ti->tileh != SLOPE_FLAT) DrawFoundation(ti, FOUNDATION_LEVELED);
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
1772 DiagDirection dir = GetRoadDepotDirection(ti->tile);
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()) {
1828 SpriteID ground = GetCustomRoadSprite(rti, INVALID_TILE, ROTSG_OVERLAY);
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] = {
1885 { ROADSIDE_GRASS, ROADSIDE_GRASS },
1886 { ROADSIDE_PAVED, ROADSIDE_PAVED },
1887 { ROADSIDE_PAVED, ROADSIDE_PAVED },
1888 { ROADSIDE_TREES, ROADSIDE_TREES },
1889 { ROADSIDE_STREET_LIGHTS, ROADSIDE_PAVED }
1890 };
1891
1892 static const Roadside _town_road_types_2[][2] = {
1893 { ROADSIDE_GRASS, ROADSIDE_GRASS },
1894 { ROADSIDE_PAVED, ROADSIDE_PAVED },
1895 { ROADSIDE_STREET_LIGHTS, ROADSIDE_PAVED },
1896 { ROADSIDE_STREET_LIGHTS, ROADSIDE_PAVED },
1897 { ROADSIDE_STREET_LIGHTS, ROADSIDE_PAVED }
1898 };
1899
1900
1901 static void TileLoop_Road(TileIndex tile)
1902 {
1903 switch (_settings_game.game_creation.landscape) {
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);
1936 CreateEffectVehicleAbove(
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
1971 if (_settings_game.economy.mod_road_rebuild) {
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: {
2064 DiagDirection dir = GetRoadDepotDirection(tile);
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] = {
2162 TRACKDIR_X_SW, TRACKDIR_Y_NW, TRACKDIR_X_NE, TRACKDIR_Y_SE
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 &&
2173 _roadveh_enter_depot_dir[GetRoadDepotDirection(tile)] == rv->state) {
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
2180 InvalidateWindowData(WC_VEHICLE_DEPOT, rv->tile);
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) {
2197 DoCommand(tile, 0, 0, DC_EXEC | DC_BANKRUPT, CMD_LANDSCAPE_CLEAR);
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) {
2234 DoCommand(tile, 0, GetCrossingRailTrack(tile), DC_EXEC | DC_BANKRUPT, CMD_REMOVE_SINGLE_RAIL);
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 {
2248 if (_settings_game.construction.build_on_slopes && AutoslopeEnabled()) {
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;
2336 DirtyCompanyInfrastructureWindows(c->index);
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
2366 CommandCost cost(EXPENSES_CONSTRUCTION);
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) {
2410 Town *t = ClosestTownFromTile(tile, _settings_game.economy.dist_local_authority);
2411 CommandCost ret = CheckforTownRating(DC_NONE, t, tt == MP_TUNNELBRIDGE ? TUNNELBRIDGE_REMOVE : ROAD_REMOVE);
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)) {
2422 CommandCost ret = EnsureNoVehicleOnGround(tile);
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 */
2460 InvalidateWindowData(WC_VEHICLE_DEPOT, tile);
2461 InvalidateWindowData(WC_BUILD_VEHICLE, tile);
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:78
TROPICZONE_DESERT
@ TROPICZONE_DESERT
Tile is desert.
Definition: tile_type.h:71
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:642
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:3595
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:305
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:42
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:215
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:1472
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:3711
MP_ROAD
@ MP_ROAD
A tile with road (or tram tracks)
Definition: tile_type.h:43
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:560
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:2253
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:644
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:580
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:3577
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:494
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:569
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:45
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:50
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:422
_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:47
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:324
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:3674
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:470
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:60
EconomySettings::dist_local_authority
byte dist_local_authority
distance for town local authority, default 20
Definition: settings_type.h:489
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:40
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:318
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:46
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:131
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:367
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:83
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:561
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:162
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:577
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