OpenTTD Source: src/road_cmd.cpp Source File

OpenTTD Source 14.0-beta1

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 "road.h"
12 #include "road_internal.h"
13 #include "viewport_func.h"
14 #include "command_func.h"
15 #include "company_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 "train.h"
31 #include "town.h"
32 #include "company_base.h"
33 #include "core/random_func.hpp"
34 #include "core/container_func.hpp"
35 #include "newgrf_debug.h"
36 #include "newgrf_railtype.h"
37 #include "newgrf_roadtype.h"
38 #include "timer/timer_game_calendar.h"
39 #include "genworld.h"
40 #include "company_gui.h"
41 #include "road_func.h"
42 #include "road_cmd.h"
43 #include "landscape_cmd.h"
44 #include "rail_cmd.h"
45
46 #include "table/strings.h"
47 #include "table/roadtypes.h"
48
49 #include "safeguards.h"
50
52 typedef std::vector<RoadVehicle *> RoadVehicleList;
53
54 RoadTypeInfo _roadtypes[ROADTYPE_END];
55 std::vector<RoadType> _sorted_roadtypes;
56 RoadTypes _roadtypes_hidden_mask;
57
62 RoadTypes _roadtypes_type;
63
67 void ResetRoadTypes()
68 {
69 static_assert(lengthof(_original_roadtypes) <= lengthof(_roadtypes));
70
71 auto insert = std::copy(std::begin(_original_roadtypes), std::end(_original_roadtypes), std::begin(_roadtypes));
72 std::fill(insert, std::end(_roadtypes), RoadTypeInfo{});
73
74 _roadtypes_hidden_mask = ROADTYPES_NONE;
75 _roadtypes_type = ROADTYPES_TRAM;
76 }
77
78 void ResolveRoadTypeGUISprites(RoadTypeInfo *rti)
79 {
80 SpriteID cursors_base = GetCustomRoadSprite(rti, INVALID_TILE, ROTSG_CURSORS);
81 if (cursors_base != 0) {
82 rti->gui_sprites.build_y_road = cursors_base + 0;
83 rti->gui_sprites.build_x_road = cursors_base + 1;
84 rti->gui_sprites.auto_road = cursors_base + 2;
85 rti->gui_sprites.build_depot = cursors_base + 3;
86 rti->gui_sprites.build_tunnel = cursors_base + 4;
87 rti->gui_sprites.convert_road = cursors_base + 5;
88 rti->cursor.road_swne = cursors_base + 6;
89 rti->cursor.road_nwse = cursors_base + 7;
90 rti->cursor.autoroad = cursors_base + 8;
91 rti->cursor.depot = cursors_base + 9;
92 rti->cursor.tunnel = cursors_base + 10;
93 rti->cursor.convert_road = cursors_base + 11;
94 }
95 }
96
103 static bool CompareRoadTypes(const RoadType &first, const RoadType &second)
104 {
105 if (RoadTypeIsRoad(first) == RoadTypeIsRoad(second)) {
106 return GetRoadTypeInfo(first)->sorting_order < GetRoadTypeInfo(second)->sorting_order;
107 }
108 return RoadTypeIsTram(first) < RoadTypeIsTram(second);
109 }
110
114 void InitRoadTypes()
115 {
116 for (RoadType rt = ROADTYPE_BEGIN; rt != ROADTYPE_END; rt++) {
117 RoadTypeInfo *rti = &_roadtypes[rt];
118 ResolveRoadTypeGUISprites(rti);
119 if (HasBit(rti->flags, ROTF_HIDDEN)) SetBit(_roadtypes_hidden_mask, rt);
120 }
121
122 _sorted_roadtypes.clear();
123 for (RoadType rt = ROADTYPE_BEGIN; rt != ROADTYPE_END; rt++) {
124 if (_roadtypes[rt].label != 0 && !HasBit(_roadtypes_hidden_mask, rt)) {
125 _sorted_roadtypes.push_back(rt);
126 }
127 }
128 std::sort(_sorted_roadtypes.begin(), _sorted_roadtypes.end(), CompareRoadTypes);
129 }
130
134 RoadType AllocateRoadType(RoadTypeLabel label, RoadTramType rtt)
135 {
136 for (RoadType rt = ROADTYPE_BEGIN; rt != ROADTYPE_END; rt++) {
137 RoadTypeInfo *rti = &_roadtypes[rt];
138
139 if (rti->label == 0) {
140 /* Set up new road type */
141 *rti = _original_roadtypes[(rtt == RTT_TRAM) ? ROADTYPE_TRAM : ROADTYPE_ROAD];
142 rti->label = label;
143 rti->alternate_labels.clear();
144 rti->flags = ROTFB_NONE;
145 rti->introduction_date = CalendarTime::INVALID_DATE;
146
147 /* Make us compatible with ourself. */
148 rti->powered_roadtypes = (RoadTypes)(1ULL << rt);
149
150 /* We also introduce ourself. */
151 rti->introduces_roadtypes = (RoadTypes)(1ULL << rt);
152
153 /* Default sort order; order of allocation, but with some
154 * offsets so it's easier for NewGRF to pick a spot without
155 * changing the order of other (original) road types.
156 * The << is so you can place other roadtypes in between the
157 * other roadtypes, the 7 is to be able to place something
158 * before the first (default) road type. */
159 rti->sorting_order = rt << 2 | 7;
160
161 /* Set bitmap of road/tram types */
162 if (rtt == RTT_TRAM) {
163 SetBit(_roadtypes_type, rt);
164 } else {
165 ClrBit(_roadtypes_type, rt);
166 }
167
168 return rt;
169 }
170 }
171
172 return INVALID_ROADTYPE;
173 }
174
179 bool RoadVehiclesAreBuilt()
180 {
181 return !RoadVehicle::Iterate().empty();
182 }
183
190 void UpdateCompanyRoadInfrastructure(RoadType rt, Owner o, int count)
191 {
192 if (rt == INVALID_ROADTYPE) return;
193
194 Company *c = Company::GetIfValid(o);
195 if (c == nullptr) return;
196
197 c->infrastructure.road[rt] += count;
198 DirtyCompanyInfrastructureWindows(c->index);
199 }
200
202 static const RoadBits _invalid_tileh_slopes_road[2][15] = {
203 /* The inverse of the mixable RoadBits on a leveled slope */
204 {
205 ROAD_NONE, // SLOPE_FLAT
206 ROAD_NE | ROAD_SE, // SLOPE_W
207 ROAD_NE | ROAD_NW, // SLOPE_S
208
209 ROAD_NE, // SLOPE_SW
210 ROAD_NW | ROAD_SW, // SLOPE_E
211 ROAD_NONE, // SLOPE_EW
212
213 ROAD_NW, // SLOPE_SE
214 ROAD_NONE, // SLOPE_WSE
215 ROAD_SE | ROAD_SW, // SLOPE_N
216
217 ROAD_SE, // SLOPE_NW
218 ROAD_NONE, // SLOPE_NS
219 ROAD_NONE, // SLOPE_ENW
220
221 ROAD_SW, // SLOPE_NE
222 ROAD_NONE, // SLOPE_SEN
223 ROAD_NONE // SLOPE_NWS
224 },
225 /* The inverse of the allowed straight roads on a slope
226 * (with and without a foundation). */
227 {
228 ROAD_NONE, // SLOPE_FLAT
229 ROAD_NONE, // SLOPE_W Foundation
230 ROAD_NONE, // SLOPE_S Foundation
231
232 ROAD_Y, // SLOPE_SW
233 ROAD_NONE, // SLOPE_E Foundation
234 ROAD_ALL, // SLOPE_EW
235
236 ROAD_X, // SLOPE_SE
237 ROAD_ALL, // SLOPE_WSE
238 ROAD_NONE, // SLOPE_N Foundation
239
240 ROAD_X, // SLOPE_NW
241 ROAD_ALL, // SLOPE_NS
242 ROAD_ALL, // SLOPE_ENW
243
244 ROAD_Y, // SLOPE_NE
245 ROAD_ALL, // SLOPE_SEN
246 ROAD_ALL // SLOPE_NW
247 }
248 };
249
250 static Foundation GetRoadFoundation(Slope tileh, RoadBits bits);
251
262 CommandCost CheckAllowRemoveRoad(TileIndex tile, RoadBits remove, Owner owner, RoadTramType rtt, DoCommandFlag flags, bool town_check)
263 {
264 if (_game_mode == GM_EDITOR || remove == ROAD_NONE) return CommandCost();
265
266 /* Water can always flood and towns can always remove "normal" road pieces.
267 * Towns are not be allowed to remove non "normal" road pieces, like tram
268 * tracks as that would result in trams that cannot turn. */
269 if (_current_company == OWNER_WATER ||
270 (rtt == RTT_ROAD && !Company::IsValidID(_current_company))) return CommandCost();
271
272 /* Only do the special processing if the road is owned
273 * by a town */
274 if (owner != OWNER_TOWN) {
275 if (owner == OWNER_NONE) return CommandCost();
276 CommandCost ret = CheckOwnership(owner);
277 return ret;
278 }
279
280 if (!town_check) return CommandCost();
281
282 if (_cheats.magic_bulldozer.value) return CommandCost();
283
284 Town *t = ClosestTownFromTile(tile, UINT_MAX);
285 if (t == nullptr) return CommandCost();
286
287 /* check if you're allowed to remove the street owned by a town
288 * removal allowance depends on difficulty setting */
289 CommandCost ret = CheckforTownRating(flags, t, ROAD_REMOVE);
290 if (ret.Failed()) return ret;
291
292 /* Get a bitmask of which neighbouring roads has a tile */
293 RoadBits n = ROAD_NONE;
294 RoadBits present = GetAnyRoadBits(tile, rtt);
295 if ((present & ROAD_NE) && (GetAnyRoadBits(TILE_ADDXY(tile, -1, 0), rtt) & ROAD_SW)) n |= ROAD_NE;
296 if ((present & ROAD_SE) && (GetAnyRoadBits(TILE_ADDXY(tile, 0, 1), rtt) & ROAD_NW)) n |= ROAD_SE;
297 if ((present & ROAD_SW) && (GetAnyRoadBits(TILE_ADDXY(tile, 1, 0), rtt) & ROAD_NE)) n |= ROAD_SW;
298 if ((present & ROAD_NW) && (GetAnyRoadBits(TILE_ADDXY(tile, 0, -1), rtt) & ROAD_SE)) n |= ROAD_NW;
299
300 int rating_decrease = RATING_ROAD_DOWN_STEP_EDGE;
301 /* If 0 or 1 bits are set in n, or if no bits that match the bits to remove,
302 * then allow it */
303 if (KillFirstBit(n) != ROAD_NONE && (n & remove) != ROAD_NONE) {
304 /* you can remove all kind of roads with extra dynamite */
305 if (!_settings_game.construction.extra_dynamite) {
306 SetDParam(0, t->index);
307 return_cmd_error(STR_ERROR_LOCAL_AUTHORITY_REFUSES_TO_ALLOW_THIS);
308 }
309 rating_decrease = RATING_ROAD_DOWN_STEP_INNER;
310 }
311 ChangeTownRating(t, rating_decrease, RATING_ROAD_MINIMUM, flags);
312
313 return CommandCost();
314 }
315
316
325 static CommandCost RemoveRoad(TileIndex tile, DoCommandFlag flags, RoadBits pieces, RoadTramType rtt, bool town_check)
326 {
327 assert(pieces != ROAD_NONE);
328
329 RoadType existing_rt = MayHaveRoad(tile) ? GetRoadType(tile, rtt) : INVALID_ROADTYPE;
330 /* The tile doesn't have the given road type */
331 if (existing_rt == INVALID_ROADTYPE) return_cmd_error((rtt == RTT_TRAM) ? STR_ERROR_THERE_IS_NO_TRAMWAY : STR_ERROR_THERE_IS_NO_ROAD);
332
333 switch (GetTileType(tile)) {
334 case MP_ROAD: {
335 CommandCost ret = EnsureNoVehicleOnGround(tile);
336 if (ret.Failed()) return ret;
337 break;
338 }
339
340 case MP_STATION: {
341 if (!IsDriveThroughStopTile(tile)) return CMD_ERROR;
342
343 CommandCost ret = EnsureNoVehicleOnGround(tile);
344 if (ret.Failed()) return ret;
345 break;
346 }
347
348 case MP_TUNNELBRIDGE: {
349 if (GetTunnelBridgeTransportType(tile) != TRANSPORT_ROAD) return CMD_ERROR;
350 CommandCost ret = TunnelBridgeIsFree(tile, GetOtherTunnelBridgeEnd(tile));
351 if (ret.Failed()) return ret;
352 break;
353 }
354
355 default:
356 return CMD_ERROR;
357 }
358
359 CommandCost ret = CheckAllowRemoveRoad(tile, pieces, GetRoadOwner(tile, rtt), rtt, flags, town_check);
360 if (ret.Failed()) return ret;
361
362 if (!IsTileType(tile, MP_ROAD)) {
363 /* If it's the last roadtype, just clear the whole tile */
364 if (GetRoadType(tile, OtherRoadTramType(rtt)) == INVALID_ROADTYPE) return Command<CMD_LANDSCAPE_CLEAR>::Do(flags, tile);
365
366 CommandCost cost(EXPENSES_CONSTRUCTION);
367 if (IsTileType(tile, MP_TUNNELBRIDGE)) {
368 /* Removing any roadbit in the bridge axis removes the roadtype (that's the behaviour remove-long-roads needs) */
369 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);
370
371 TileIndex other_end = GetOtherTunnelBridgeEnd(tile);
372 /* Pay for *every* tile of the bridge or tunnel */
373 uint len = GetTunnelBridgeLength(other_end, tile) + 2;
374 cost.AddCost(len * 2 * RoadClearCost(existing_rt));
375 if (flags & DC_EXEC) {
376 /* A full diagonal road tile has two road bits. */
377 UpdateCompanyRoadInfrastructure(existing_rt, GetRoadOwner(tile, rtt), -(int)(len * 2 * TUNNELBRIDGE_TRACKBIT_FACTOR));
378
379 SetRoadType(other_end, rtt, INVALID_ROADTYPE);
380 SetRoadType(tile, rtt, INVALID_ROADTYPE);
381
382 /* If the owner of the bridge sells all its road, also move the ownership
383 * to the owner of the other roadtype, unless the bridge owner is a town. */
384 Owner other_owner = GetRoadOwner(tile, OtherRoadTramType(rtt));
385 if (!IsTileOwner(tile, other_owner) && !IsTileOwner(tile, OWNER_TOWN)) {
386 SetTileOwner(tile, other_owner);
387 SetTileOwner(other_end, other_owner);
388 }
389
390 /* Mark tiles dirty that have been repaved */
391 if (IsBridge(tile)) {
392 MarkBridgeDirty(tile);
393 } else {
394 MarkTileDirtyByTile(tile);
395 MarkTileDirtyByTile(other_end);
396 }
397 }
398 } else {
399 assert(IsDriveThroughStopTile(tile));
400 cost.AddCost(RoadClearCost(existing_rt) * 2);
401 if (flags & DC_EXEC) {
402 /* A full diagonal road tile has two road bits. */
403 UpdateCompanyRoadInfrastructure(existing_rt, GetRoadOwner(tile, rtt), -2);
404 SetRoadType(tile, rtt, INVALID_ROADTYPE);
405 MarkTileDirtyByTile(tile);
406 }
407 }
408 return cost;
409 }
410
411 switch (GetRoadTileType(tile)) {
412 case ROAD_TILE_NORMAL: {
413 Slope tileh = GetTileSlope(tile);
414
415 /* Steep slopes behave the same as slopes with one corner raised. */
416 if (IsSteepSlope(tileh)) {
417 tileh = SlopeWithOneCornerRaised(GetHighestSlopeCorner(tileh));
418 }
419
420 RoadBits present = GetRoadBits(tile, rtt);
421 const RoadBits other = GetRoadBits(tile, OtherRoadTramType(rtt));
422 const Foundation f = GetRoadFoundation(tileh, present);
423
424 if (HasRoadWorks(tile) && _current_company != OWNER_WATER) return_cmd_error(STR_ERROR_ROAD_WORKS_IN_PROGRESS);
425
426 /* Autocomplete to a straight road
427 * @li if the bits of the other roadtypes result in another foundation
428 * @li if build on slopes is disabled */
429 if ((IsStraightRoad(other) && (other & _invalid_tileh_slopes_road[0][tileh & SLOPE_ELEVATED]) != ROAD_NONE) ||
430 (tileh != SLOPE_FLAT && !_settings_game.construction.build_on_slopes)) {
431 pieces |= MirrorRoadBits(pieces);
432 }
433
434 /* limit the bits to delete to the existing bits. */
435 pieces &= present;
436 if (pieces == ROAD_NONE) return_cmd_error((rtt == RTT_TRAM) ? STR_ERROR_THERE_IS_NO_TRAMWAY : STR_ERROR_THERE_IS_NO_ROAD);
437
438 /* Now set present what it will be after the remove */
439 present ^= pieces;
440
441 /* Check for invalid RoadBit combinations on slopes */
442 if (tileh != SLOPE_FLAT && present != ROAD_NONE &&
443 (present & _invalid_tileh_slopes_road[0][tileh & SLOPE_ELEVATED]) == present) {
444 return CMD_ERROR;
445 }
446
447 if (flags & DC_EXEC) {
448 if (HasRoadWorks(tile)) {
449 /* flooding tile with road works, don't forget to remove the effect vehicle too */
450 assert(_current_company == OWNER_WATER);
451 for (EffectVehicle *v : EffectVehicle::Iterate()) {
452 if (TileVirtXY(v->x_pos, v->y_pos) == tile) {
453 delete v;
454 }
455 }
456 }
457
458 UpdateCompanyRoadInfrastructure(existing_rt, GetRoadOwner(tile, rtt), -(int)CountBits(pieces));
459
460 if (present == ROAD_NONE) {
461 /* No other road type, just clear tile. */
462 if (GetRoadType(tile, OtherRoadTramType(rtt)) == INVALID_ROADTYPE) {
463 /* Includes MarkTileDirtyByTile() */
464 DoClearSquare(tile);
465 } else {
466 if (rtt == RTT_ROAD && IsRoadOwner(tile, rtt, OWNER_TOWN)) {
467 /* Update nearest-town index */
468 const Town *town = CalcClosestTownFromTile(tile);
469 SetTownIndex(tile, town == nullptr ? INVALID_TOWN : town->index);
470 }
471 if (rtt == RTT_ROAD) SetDisallowedRoadDirections(tile, DRD_NONE);
472 SetRoadBits(tile, ROAD_NONE, rtt);
473 SetRoadType(tile, rtt, INVALID_ROADTYPE);
474 MarkTileDirtyByTile(tile);
475 }
476 } else {
477 /* When bits are removed, you *always* end up with something that
478 * is not a complete straight road tile. However, trams do not have
479 * onewayness, so they cannot remove it either. */
480 if (rtt == RTT_ROAD) SetDisallowedRoadDirections(tile, DRD_NONE);
481 SetRoadBits(tile, present, rtt);
482 MarkTileDirtyByTile(tile);
483 }
484 }
485
486 CommandCost cost(EXPENSES_CONSTRUCTION, CountBits(pieces) * RoadClearCost(existing_rt));
487 /* If we build a foundation we have to pay for it. */
488 if (f == FOUNDATION_NONE && GetRoadFoundation(tileh, present) != FOUNDATION_NONE) cost.AddCost(_price[PR_BUILD_FOUNDATION]);
489
490 return cost;
491 }
492
493 case ROAD_TILE_CROSSING: {
494 if (pieces & ComplementRoadBits(GetCrossingRoadBits(tile))) {
495 return CMD_ERROR;
496 }
497
498 if (flags & DC_EXEC) {
499 UpdateAdjacentLevelCrossingTilesOnLevelCrossingRemoval(tile, GetCrossingRoadAxis(tile));
500
501 /* A full diagonal road tile has two road bits. */
502 UpdateCompanyRoadInfrastructure(existing_rt, GetRoadOwner(tile, rtt), -2);
503
504 Track railtrack = GetCrossingRailTrack(tile);
505 if (GetRoadType(tile, OtherRoadTramType(rtt)) == INVALID_ROADTYPE) {
506 TrackBits tracks = GetCrossingRailBits(tile);
507 bool reserved = HasCrossingReservation(tile);
508 MakeRailNormal(tile, GetTileOwner(tile), tracks, GetRailType(tile));
509 if (reserved) SetTrackReservation(tile, tracks);
510
511 /* Update rail count for level crossings. The plain track should still be accounted
512 * for, so only subtract the difference to the level crossing cost. */
513 Company *c = Company::GetIfValid(GetTileOwner(tile));
514 if (c != nullptr) {
515 c->infrastructure.rail[GetRailType(tile)] -= LEVELCROSSING_TRACKBIT_FACTOR - 1;
516 DirtyCompanyInfrastructureWindows(c->index);
517 }
518 } else {
519 SetRoadType(tile, rtt, INVALID_ROADTYPE);
520 }
521 MarkTileDirtyByTile(tile);
522 YapfNotifyTrackLayoutChange(tile, railtrack);
523 }
524 return CommandCost(EXPENSES_CONSTRUCTION, RoadClearCost(existing_rt) * 2);
525 }
526
527 default:
528 case ROAD_TILE_DEPOT:
529 return CMD_ERROR;
530 }
531 }
532
533
545 static CommandCost CheckRoadSlope(Slope tileh, RoadBits *pieces, RoadBits existing, RoadBits other)
546 {
547 /* Remove already build pieces */
548 CLRBITS(*pieces, existing);
549
550 /* If we can't build anything stop here */
551 if (*pieces == ROAD_NONE) return CMD_ERROR;
552
553 /* All RoadBit combos are valid on flat land */
554 if (tileh == SLOPE_FLAT) return CommandCost();
555
556 /* Steep slopes behave the same as slopes with one corner raised. */
557 if (IsSteepSlope(tileh)) {
558 tileh = SlopeWithOneCornerRaised(GetHighestSlopeCorner(tileh));
559 }
560
561 /* Save the merge of all bits of the current type */
562 RoadBits type_bits = existing | *pieces;
563
564 /* Roads on slopes */
565 if (_settings_game.construction.build_on_slopes && (_invalid_tileh_slopes_road[0][tileh] & (other | type_bits)) == ROAD_NONE) {
566
567 /* If we add leveling we've got to pay for it */
568 if ((other | existing) == ROAD_NONE) return CommandCost(EXPENSES_CONSTRUCTION, _price[PR_BUILD_FOUNDATION]);
569
570 return CommandCost();
571 }
572
573 /* Autocomplete uphill roads */
574 *pieces |= MirrorRoadBits(*pieces);
575 type_bits = existing | *pieces;
576
577 /* Uphill roads */
578 if (IsStraightRoad(type_bits) && (other == type_bits || other == ROAD_NONE) &&
579 (_invalid_tileh_slopes_road[1][tileh] & (other | type_bits)) == ROAD_NONE) {
580
581 /* Slopes with foundation ? */
582 if (IsSlopeWithOneCornerRaised(tileh)) {
583
584 /* Prevent build on slopes if it isn't allowed */
585 if (_settings_game.construction.build_on_slopes) {
586
587 /* If we add foundation we've got to pay for it */
588 if ((other | existing) == ROAD_NONE) return CommandCost(EXPENSES_CONSTRUCTION, _price[PR_BUILD_FOUNDATION]);
589
590 return CommandCost();
591 }
592 } else {
593 if (HasExactlyOneBit(existing) && GetRoadFoundation(tileh, existing) == FOUNDATION_NONE) return CommandCost(EXPENSES_CONSTRUCTION, _price[PR_BUILD_FOUNDATION]);
594 return CommandCost();
595 }
596 }
597 return CMD_ERROR;
598 }
599
610 CommandCost CmdBuildRoad(DoCommandFlag flags, TileIndex tile, RoadBits pieces, RoadType rt, DisallowedRoadDirections toggle_drd, TownID town_id)
611 {
612 CompanyID company = _current_company;
613 CommandCost cost(EXPENSES_CONSTRUCTION);
614
615 RoadBits existing = ROAD_NONE;
616 RoadBits other_bits = ROAD_NONE;
617
618 /* Road pieces are max 4 bitset values (NE, NW, SE, SW) and town can only be non-zero
619 * if a non-company is building the road */
620 if ((Company::IsValidID(company) && town_id != 0) || (company == OWNER_TOWN && !Town::IsValidID(town_id)) || (company == OWNER_DEITY && town_id != 0)) return CMD_ERROR;
621 if (company != OWNER_TOWN) {
622 const Town *town = CalcClosestTownFromTile(tile);
623 town_id = (town != nullptr) ? town->index : INVALID_TOWN;
624
625 if (company == OWNER_DEITY) {
626 company = OWNER_TOWN;
627
628 /* If we are not within a town, we are not owned by the town */
629 if (town == nullptr || DistanceSquare(tile, town->xy) > town->cache.squared_town_zone_radius[HZB_TOWN_EDGE]) {
630 company = OWNER_NONE;
631 }
632 }
633 }
634
635 /* do not allow building 'zero' road bits, code wouldn't handle it */
636 if (pieces == ROAD_NONE || !IsValidRoadBits(pieces) || !IsValidDisallowedRoadDirections(toggle_drd)) return CMD_ERROR;
637 if (!ValParamRoadType(rt)) return CMD_ERROR;
638
639 Slope tileh = GetTileSlope(tile);
640 RoadTramType rtt = GetRoadTramType(rt);
641
642 bool need_to_clear = false;
643 switch (GetTileType(tile)) {
644 case MP_ROAD:
645 switch (GetRoadTileType(tile)) {
646 case ROAD_TILE_NORMAL: {
647 if (HasRoadWorks(tile)) return_cmd_error(STR_ERROR_ROAD_WORKS_IN_PROGRESS);
648
649 other_bits = GetRoadBits(tile, OtherRoadTramType(rtt));
650 if (!HasTileRoadType(tile, rtt)) break;
651
652 existing = GetRoadBits(tile, rtt);
653 bool crossing = !IsStraightRoad(existing | pieces);
654 if (rtt == RTT_ROAD && (GetDisallowedRoadDirections(tile) != DRD_NONE || toggle_drd != DRD_NONE) && crossing) {
655 /* Junctions cannot be one-way */
656 return_cmd_error(STR_ERROR_ONEWAY_ROADS_CAN_T_HAVE_JUNCTION);
657 }
658 if ((existing & pieces) == pieces) {
659 /* We only want to set the (dis)allowed road directions */
660 if (toggle_drd != DRD_NONE && rtt == RTT_ROAD) {
661 if (crossing) return_cmd_error(STR_ERROR_ONEWAY_ROADS_CAN_T_HAVE_JUNCTION);
662
663 Owner owner = GetRoadOwner(tile, rtt);
664 if (owner != OWNER_NONE) {
665 CommandCost ret = CheckOwnership(owner, tile);
666 if (ret.Failed()) return ret;
667 }
668
669 DisallowedRoadDirections dis_existing = GetDisallowedRoadDirections(tile);
670 DisallowedRoadDirections dis_new = dis_existing ^ toggle_drd;
671
672 /* We allow removing disallowed directions to break up
673 * deadlocks, but adding them can break articulated
674 * vehicles. As such, only when less is disallowed,
675 * i.e. bits are removed, we skip the vehicle check. */
676 if (CountBits(dis_existing) <= CountBits(dis_new)) {
677 CommandCost ret = EnsureNoVehicleOnGround(tile);
678 if (ret.Failed()) return ret;
679 }
680
681 /* Ignore half built tiles */
682 if ((flags & DC_EXEC) && IsStraightRoad(existing)) {
683 SetDisallowedRoadDirections(tile, dis_new);
684 MarkTileDirtyByTile(tile);
685 }
686 return CommandCost();
687 }
688 return_cmd_error(STR_ERROR_ALREADY_BUILT);
689 }
690 /* Disallow breaking end-of-line of someone else
691 * so trams can still reverse on this tile. */
692 if (rtt == RTT_TRAM && HasExactlyOneBit(existing)) {
693 Owner owner = GetRoadOwner(tile, rtt);
694 if (Company::IsValidID(owner)) {
695 CommandCost ret = CheckOwnership(owner);
696 if (ret.Failed()) return ret;
697 }
698 }
699 break;
700 }
701
702 case ROAD_TILE_CROSSING:
703 if (RoadNoLevelCrossing(rt)) {
704 return_cmd_error(STR_ERROR_CROSSING_DISALLOWED_ROAD);
705 }
706
707 other_bits = GetCrossingRoadBits(tile);
708 if (pieces & ComplementRoadBits(other_bits)) goto do_clear;
709 pieces = other_bits; // we need to pay for both roadbits
710
711 if (HasTileRoadType(tile, rtt)) return_cmd_error(STR_ERROR_ALREADY_BUILT);
712 break;
713
714 case ROAD_TILE_DEPOT:
715 if ((GetAnyRoadBits(tile, rtt) & pieces) == pieces) return_cmd_error(STR_ERROR_ALREADY_BUILT);
716 goto do_clear;
717
718 default: NOT_REACHED();
719 }
720 break;
721
722 case MP_RAILWAY: {
723 if (IsSteepSlope(tileh)) {
724 return_cmd_error(STR_ERROR_LAND_SLOPED_IN_WRONG_DIRECTION);
725 }
726
727 /* Level crossings may only be built on these slopes */
728 if (!HasBit(VALID_LEVEL_CROSSING_SLOPES, tileh)) {
729 return_cmd_error(STR_ERROR_LAND_SLOPED_IN_WRONG_DIRECTION);
730 }
731
732 if (!_settings_game.construction.crossing_with_competitor && company != OWNER_TOWN && company != OWNER_DEITY) {
733 CommandCost ret = CheckTileOwnership(tile);
734 if (ret.Failed()) return ret;
735 }
736
737 if (GetRailTileType(tile) != RAIL_TILE_NORMAL) goto do_clear;
738
739 if (RoadNoLevelCrossing(rt)) {
740 return_cmd_error(STR_ERROR_CROSSING_DISALLOWED_ROAD);
741 }
742
743 if (RailNoLevelCrossings(GetRailType(tile))) {
744 return_cmd_error(STR_ERROR_CROSSING_DISALLOWED_RAIL);
745 }
746
747 Axis roaddir;
748 switch (GetTrackBits(tile)) {
749 case TRACK_BIT_X:
750 if (pieces & ROAD_X) goto do_clear;
751 roaddir = AXIS_Y;
752 break;
753
754 case TRACK_BIT_Y:
755 if (pieces & ROAD_Y) goto do_clear;
756 roaddir = AXIS_X;
757 break;
758
759 default: goto do_clear;
760 }
761
762 CommandCost ret = EnsureNoVehicleOnGround(tile);
763 if (ret.Failed()) return ret;
764
765 if (flags & DC_EXEC) {
766 Track railtrack = AxisToTrack(OtherAxis(roaddir));
767 YapfNotifyTrackLayoutChange(tile, railtrack);
768 /* Update company infrastructure counts. A level crossing has two road bits. */
769 UpdateCompanyRoadInfrastructure(rt, company, 2);
770
771 /* Update rail count for level crossings. The plain track is already
772 * counted, so only add the difference to the level crossing cost. */
773 Company *c = Company::GetIfValid(GetTileOwner(tile));
774 if (c != nullptr) {
775 c->infrastructure.rail[GetRailType(tile)] += LEVELCROSSING_TRACKBIT_FACTOR - 1;
776 DirtyCompanyInfrastructureWindows(c->index);
777 }
778
779 /* Always add road to the roadtypes (can't draw without it) */
780 bool reserved = HasBit(GetRailReservationTrackBits(tile), railtrack);
781 MakeRoadCrossing(tile, company, company, GetTileOwner(tile), roaddir, GetRailType(tile), rtt == RTT_ROAD ? rt : INVALID_ROADTYPE, (rtt == RTT_TRAM) ? rt : INVALID_ROADTYPE, town_id);
782 SetCrossingReservation(tile, reserved);
783 UpdateLevelCrossing(tile, false);
784 MarkDirtyAdjacentLevelCrossingTiles(tile, GetCrossingRoadAxis(tile));
785 MarkTileDirtyByTile(tile);
786 }
787 return CommandCost(EXPENSES_CONSTRUCTION, 2 * RoadBuildCost(rt));
788 }
789
790 case MP_STATION: {
791 if ((GetAnyRoadBits(tile, rtt) & pieces) == pieces) return_cmd_error(STR_ERROR_ALREADY_BUILT);
792 if (!IsDriveThroughStopTile(tile)) goto do_clear;
793
794 RoadBits curbits = AxisToRoadBits(DiagDirToAxis(GetRoadStopDir(tile)));
795 if (pieces & ~curbits) goto do_clear;
796 pieces = curbits; // we need to pay for both roadbits
797
798 if (HasTileRoadType(tile, rtt)) return_cmd_error(STR_ERROR_ALREADY_BUILT);
799 break;
800 }
801
802 case MP_TUNNELBRIDGE: {
803 if (GetTunnelBridgeTransportType(tile) != TRANSPORT_ROAD) goto do_clear;
804 /* Only allow building the outern roadbit, so building long roads stops at existing bridges */
805 if (MirrorRoadBits(DiagDirToRoadBits(GetTunnelBridgeDirection(tile))) != pieces) goto do_clear;
806 if (HasTileRoadType(tile, rtt)) return_cmd_error(STR_ERROR_ALREADY_BUILT);
807 /* Don't allow adding roadtype to the bridge/tunnel when vehicles are already driving on it */
808 CommandCost ret = TunnelBridgeIsFree(tile, GetOtherTunnelBridgeEnd(tile));
809 if (ret.Failed()) return ret;
810 break;
811 }
812
813 default: {
814 do_clear:;
815 need_to_clear = true;
816 break;
817 }
818 }
819
820 if (need_to_clear) {
821 CommandCost ret = Command<CMD_LANDSCAPE_CLEAR>::Do(flags, tile);
822 if (ret.Failed()) return ret;
823 cost.AddCost(ret);
824 }
825
826 if (other_bits != pieces) {
827 /* Check the foundation/slopes when adding road/tram bits */
828 CommandCost ret = CheckRoadSlope(tileh, &pieces, existing, other_bits);
829 /* Return an error if we need to build a foundation (ret != 0) but the
830 * current setting is turned off */
831 if (ret.Failed() || (ret.GetCost() != 0 && !_settings_game.construction.build_on_slopes)) {
832 return_cmd_error(STR_ERROR_LAND_SLOPED_IN_WRONG_DIRECTION);
833 }
834 cost.AddCost(ret);
835 }
836
837 if (!need_to_clear) {
838 if (IsTileType(tile, MP_ROAD)) {
839 /* Don't put the pieces that already exist */
840 pieces &= ComplementRoadBits(existing);
841
842 /* Check if new road bits will have the same foundation as other existing road types */
843 if (IsNormalRoad(tile)) {
844 Slope slope = GetTileSlope(tile);
845 Foundation found_new = GetRoadFoundation(slope, pieces | existing);
846
847 RoadBits bits = GetRoadBits(tile, OtherRoadTramType(rtt));
848 /* do not check if there are not road bits of given type */
849 if (bits != ROAD_NONE && GetRoadFoundation(slope, bits) != found_new) {
850 return_cmd_error(STR_ERROR_LAND_SLOPED_IN_WRONG_DIRECTION);
851 }
852 }
853 }
854
855 CommandCost ret = EnsureNoVehicleOnGround(tile);
856 if (ret.Failed()) return ret;
857
858 if (IsNormalRoadTile(tile)) {
859 /* If the road types don't match, try to convert only if vehicles of
860 * the new road type are not powered on the present road type and vehicles of
861 * the present road type are powered on the new road type. */
862 RoadType existing_rt = GetRoadType(tile, rtt);
863 if (existing_rt != INVALID_ROADTYPE && existing_rt != rt) {
864 if (HasPowerOnRoad(rt, existing_rt)) {
865 rt = existing_rt;
866 } else if (HasPowerOnRoad(existing_rt, rt)) {
867 ret = Command<CMD_CONVERT_ROAD>::Do(flags, tile, tile, rt);
868 if (ret.Failed()) return ret;
869 cost.AddCost(ret);
870 } else {
871 return CMD_ERROR;
872 }
873 }
874 }
875 }
876
877 uint num_pieces = (!need_to_clear && IsTileType(tile, MP_TUNNELBRIDGE)) ?
878 /* There are 2 pieces on *every* tile of the bridge or tunnel */
879 2 * (GetTunnelBridgeLength(GetOtherTunnelBridgeEnd(tile), tile) + 2) :
880 /* Count pieces */
881 CountBits(pieces);
882
883 cost.AddCost(num_pieces * RoadBuildCost(rt));
884
885 if (flags & DC_EXEC) {
886 switch (GetTileType(tile)) {
887 case MP_ROAD: {
888 RoadTileType rttype = GetRoadTileType(tile);
889 if (existing == ROAD_NONE || rttype == ROAD_TILE_CROSSING) {
890 SetRoadType(tile, rtt, rt);
891 SetRoadOwner(tile, rtt, company);
892 if (rtt == RTT_ROAD) SetTownIndex(tile, town_id);
893 }
894 if (rttype != ROAD_TILE_CROSSING) SetRoadBits(tile, existing | pieces, rtt);
895 break;
896 }
897
898 case MP_TUNNELBRIDGE: {
899 TileIndex other_end = GetOtherTunnelBridgeEnd(tile);
900
901 SetRoadType(other_end, rtt, rt);
902 SetRoadType(tile, rtt, rt);
903 SetRoadOwner(other_end, rtt, company);
904 SetRoadOwner(tile, rtt, company);
905
906 /* Mark tiles dirty that have been repaved */
907 if (IsBridge(tile)) {
908 MarkBridgeDirty(tile);
909 } else {
910 MarkTileDirtyByTile(other_end);
911 MarkTileDirtyByTile(tile);
912 }
913 break;
914 }
915
916 case MP_STATION: {
917 assert(IsDriveThroughStopTile(tile));
918 SetRoadType(tile, rtt, rt);
919 SetRoadOwner(tile, rtt, company);
920 break;
921 }
922
923 default:
924 MakeRoadNormal(tile, pieces, (rtt == RTT_ROAD) ? rt : INVALID_ROADTYPE, (rtt == RTT_TRAM) ? rt : INVALID_ROADTYPE, town_id, company, company);
925 break;
926 }
927
928 /* Update company infrastructure count. */
929 if (IsTileType(tile, MP_TUNNELBRIDGE)) num_pieces *= TUNNELBRIDGE_TRACKBIT_FACTOR;
930 UpdateCompanyRoadInfrastructure(rt, GetRoadOwner(tile, rtt), num_pieces);
931
932 if (rtt == RTT_ROAD && IsNormalRoadTile(tile)) {
933 existing |= pieces;
934 SetDisallowedRoadDirections(tile, IsStraightRoad(existing) ?
935 GetDisallowedRoadDirections(tile) ^ toggle_drd : DRD_NONE);
936 }
937
938 MarkTileDirtyByTile(tile);
939 }
940 return cost;
941 }
942
950 static bool CanConnectToRoad(TileIndex tile, RoadType rt, DiagDirection dir)
951 {
952 tile += TileOffsByDiagDir(dir);
953 if (!IsValidTile(tile) || !MayHaveRoad(tile)) return false;
954
955 RoadTramType rtt = GetRoadTramType(rt);
956 RoadType existing = GetRoadType(tile, rtt);
957 if (existing == INVALID_ROADTYPE) return false;
958 if (!HasPowerOnRoad(existing, rt) && !HasPowerOnRoad(rt, existing)) return false;
959
960 RoadBits bits = GetAnyRoadBits(tile, rtt, false);
961 return (bits & DiagDirToRoadBits(ReverseDiagDir(dir))) != 0;
962 }
963
979 CommandCost CmdBuildLongRoad(DoCommandFlag flags, TileIndex end_tile, TileIndex start_tile, RoadType rt, Axis axis, DisallowedRoadDirections drd, bool start_half, bool end_half, bool is_ai)
980 {
981 if (start_tile >= Map::Size()) return CMD_ERROR;
982
983 if (!ValParamRoadType(rt) || !IsValidAxis(axis) || !IsValidDisallowedRoadDirections(drd)) return CMD_ERROR;
984
985 /* Only drag in X or Y direction dictated by the direction variable */
986 if (axis == AXIS_X && TileY(start_tile) != TileY(end_tile)) return CMD_ERROR; // x-axis
987 if (axis == AXIS_Y && TileX(start_tile) != TileX(end_tile)) return CMD_ERROR; // y-axis
988
989 DiagDirection dir = AxisToDiagDir(axis);
990
991 /* Swap direction, also the half-tile drag vars. */
992 if (start_tile > end_tile || (start_tile == end_tile && start_half)) {
993 dir = ReverseDiagDir(dir);
994 start_half = !start_half;
995 end_half = !end_half;
996 if (drd == DRD_NORTHBOUND || drd == DRD_SOUTHBOUND) drd ^= DRD_BOTH;
997 }
998
999 /* On the X-axis, we have to swap the initial bits, so they
1000 * will be interpreted correctly in the GTTS. Furthermore
1001 * when you just 'click' on one tile to build them. */
1002 if ((drd == DRD_NORTHBOUND || drd == DRD_SOUTHBOUND) && (axis == AXIS_Y) == (start_tile == end_tile && start_half == end_half)) drd ^= DRD_BOTH;
1003
1004 CommandCost cost(EXPENSES_CONSTRUCTION);
1005 CommandCost last_error = CMD_ERROR;
1006 TileIndex tile = start_tile;
1007 bool had_bridge = false;
1008 bool had_tunnel = false;
1009 bool had_success = false;
1010 bool under_tunnelbridge = false;
1011
1012 /* Start tile is the first tile clicked by the user. */
1013 for (;;) {
1014 /* Don't try to place road between tunnelbridge ends */
1015 if (IsTileType(tile, MP_TUNNELBRIDGE)) {
1016 under_tunnelbridge = !under_tunnelbridge;
1017 } else if (!under_tunnelbridge) {
1018 RoadBits bits = AxisToRoadBits(axis);
1019
1020 /* Determine which road parts should be built. */
1021 if (!is_ai && start_tile != end_tile) {
1022 /* Only build the first and last roadbit if they can connect to something. */
1023 if (tile == end_tile && !CanConnectToRoad(tile, rt, dir)) {
1024 bits = DiagDirToRoadBits(ReverseDiagDir(dir));
1025 } else if (tile == start_tile && !CanConnectToRoad(tile, rt, ReverseDiagDir(dir))) {
1026 bits = DiagDirToRoadBits(dir);
1027 }
1028 } else {
1029 /* Road parts only have to be built at the start tile or at the end tile. */
1030 if (tile == end_tile && !end_half) bits &= DiagDirToRoadBits(ReverseDiagDir(dir));
1031 if (tile == start_tile && start_half) bits &= DiagDirToRoadBits(dir);
1032 }
1033
1034 CommandCost ret = Command<CMD_BUILD_ROAD>::Do(flags, tile, bits, rt, drd, 0);
1035 if (ret.Failed()) {
1036 last_error = ret;
1037 if (last_error.GetErrorMessage() != STR_ERROR_ALREADY_BUILT) {
1038 if (is_ai) return last_error;
1039 if (had_success) break; // Keep going if we haven't constructed any road yet, skipping the start of the drag
1040 }
1041 } else {
1042 had_success = true;
1043 /* Only pay for the upgrade on one side of the bridges and tunnels */
1044 if (IsTileType(tile, MP_TUNNELBRIDGE)) {
1045 if (IsBridge(tile)) {
1046 if (!had_bridge || GetTunnelBridgeDirection(tile) == dir) {
1047 cost.AddCost(ret);
1048 }
1049 had_bridge = true;
1050 } else { // IsTunnel(tile)
1051 if (!had_tunnel || GetTunnelBridgeDirection(tile) == dir) {
1052 cost.AddCost(ret);
1053 }
1054 had_tunnel = true;
1055 }
1056 } else {
1057 cost.AddCost(ret);
1058 }
1059 }
1060 }
1061
1062 if (tile == end_tile) break;
1063
1064 tile += TileOffsByDiagDir(dir);
1065 }
1066
1067 return had_success ? cost : last_error;
1068 }
1069
1081 std::tuple<CommandCost, Money> CmdRemoveLongRoad(DoCommandFlag flags, TileIndex end_tile, TileIndex start_tile, RoadType rt, Axis axis, bool start_half, bool end_half)
1082 {
1083 CommandCost cost(EXPENSES_CONSTRUCTION);
1084
1085 if (start_tile >= Map::Size()) return { CMD_ERROR, 0 };
1086 if (!ValParamRoadType(rt) || !IsValidAxis(axis)) return { CMD_ERROR, 0 };
1087
1088 /* Only drag in X or Y direction dictated by the direction variable */
1089 if (axis == AXIS_X && TileY(start_tile) != TileY(end_tile)) return { CMD_ERROR, 0 }; // x-axis
1090 if (axis == AXIS_Y && TileX(start_tile) != TileX(end_tile)) return { CMD_ERROR, 0 }; // y-axis
1091
1092 /* Swap start and ending tile, also the half-tile drag vars. */
1093 if (start_tile > end_tile || (start_tile == end_tile && start_half)) {
1094 std::swap(start_tile, end_tile);
1095 std::swap(start_half, end_half);
1096 }
1097
1098 Money money_available = GetAvailableMoneyForCommand();
1099 Money money_spent = 0;
1100 TileIndex tile = start_tile;
1101 CommandCost last_error = CMD_ERROR;
1102 bool had_success = false;
1103 /* Start tile is the small number. */
1104 for (;;) {
1105 RoadBits bits = AxisToRoadBits(axis);
1106
1107 if (tile == end_tile && !end_half) bits &= ROAD_NW | ROAD_NE;
1108 if (tile == start_tile && start_half) bits &= ROAD_SE | ROAD_SW;
1109
1110 /* try to remove the halves. */
1111 if (bits != 0) {
1112 RoadTramType rtt = GetRoadTramType(rt);
1113 CommandCost ret = RemoveRoad(tile, flags & ~DC_EXEC, bits, rtt, true);
1114 if (ret.Succeeded()) {
1115 if (flags & DC_EXEC) {
1116 money_spent += ret.GetCost();
1117 if (money_spent > 0 && money_spent > money_available) {
1118 return { cost, std::get<0>(Command<CMD_REMOVE_LONG_ROAD>::Do(flags & ~DC_EXEC, end_tile, start_tile, rt, axis, start_half, end_half)).GetCost() };
1119 }
1120 RemoveRoad(tile, flags, bits, rtt, false);
1121 }
1122 cost.AddCost(ret);
1123 had_success = true;
1124 } else {
1125 /* Some errors are more equal than others. */
1126 switch (last_error.GetErrorMessage()) {
1127 case STR_ERROR_OWNED_BY:
1128 case STR_ERROR_LOCAL_AUTHORITY_REFUSES_TO_ALLOW_THIS:
1129 break;
1130 default:
1131 last_error = ret;
1132 }
1133 }
1134 }
1135
1136 if (tile == end_tile) break;
1137
1138 tile += (axis == AXIS_Y) ? TileDiffXY(0, 1) : TileDiffXY(1, 0);
1139 }
1140
1141 return { had_success ? cost : last_error, 0 };
1142 }
1143
1155 CommandCost CmdBuildRoadDepot(DoCommandFlag flags, TileIndex tile, RoadType rt, DiagDirection dir)
1156 {
1157 if (!ValParamRoadType(rt) || !IsValidDiagDirection(dir)) return CMD_ERROR;
1158
1159 CommandCost cost(EXPENSES_CONSTRUCTION);
1160
1161 Slope tileh = GetTileSlope(tile);
1162 if (tileh != SLOPE_FLAT) {
1163 if (!_settings_game.construction.build_on_slopes || !CanBuildDepotByTileh(dir, tileh)) {
1164 return_cmd_error(STR_ERROR_FLAT_LAND_REQUIRED);
1165 }
1166 cost.AddCost(_price[PR_BUILD_FOUNDATION]);
1167 }
1168
1169 /* Allow the user to rotate the depot instead of having to destroy it and build it again */
1170 bool rotate_existing_depot = false;
1171 if (IsRoadDepotTile(tile) && (HasRoadTypeTram(tile) ? rt == GetRoadTypeTram(tile) : rt == GetRoadTypeRoad(tile)))
1172 {
1173 CommandCost ret = CheckTileOwnership(tile);
1174 if (ret.Failed()) return ret;
1175
1176 if (dir == GetRoadDepotDirection(tile)) return_cmd_error(STR_ERROR_ALREADY_BUILT);
1177
1178 ret = EnsureNoVehicleOnGround(tile);
1179 if (ret.Failed()) return ret;
1180
1181 rotate_existing_depot = true;
1182 }
1183
1184 if (!rotate_existing_depot) {
1185 cost.AddCost(Command<CMD_LANDSCAPE_CLEAR>::Do(flags, tile));
1186 if (cost.Failed()) return cost;
1187
1188 if (IsBridgeAbove(tile)) return_cmd_error(STR_ERROR_MUST_DEMOLISH_BRIDGE_FIRST);
1189
1190 if (!Depot::CanAllocateItem()) return CMD_ERROR;
1191 }
1192
1193 if (flags & DC_EXEC) {
1194 if (rotate_existing_depot) {
1195 SetRoadDepotExitDirection(tile, dir);
1196 } else {
1197 Depot *dep = new Depot(tile);
1198 dep->build_date = TimerGameCalendar::date;
1199 MakeRoadDepot(tile, _current_company, dep->index, dir, rt);
1200 MakeDefaultName(dep);
1201
1202 /* A road depot has two road bits. */
1203 UpdateCompanyRoadInfrastructure(rt, _current_company, ROAD_DEPOT_TRACKBIT_FACTOR);
1204 }
1205
1206 MarkTileDirtyByTile(tile);
1207 }
1208
1209 cost.AddCost(_price[PR_BUILD_DEPOT_ROAD]);
1210 return cost;
1211 }
1212
1213 static CommandCost RemoveRoadDepot(TileIndex tile, DoCommandFlag flags)
1214 {
1215 if (_current_company != OWNER_WATER) {
1216 CommandCost ret = CheckTileOwnership(tile);
1217 if (ret.Failed()) return ret;
1218 }
1219
1220 CommandCost ret = EnsureNoVehicleOnGround(tile);
1221 if (ret.Failed()) return ret;
1222
1223 if (flags & DC_EXEC) {
1224 Company *c = Company::GetIfValid(GetTileOwner(tile));
1225 if (c != nullptr) {
1226 /* A road depot has two road bits. */
1227 RoadType rt = GetRoadTypeRoad(tile);
1228 if (rt == INVALID_ROADTYPE) rt = GetRoadTypeTram(tile);
1229 c->infrastructure.road[rt] -= ROAD_DEPOT_TRACKBIT_FACTOR;
1230 DirtyCompanyInfrastructureWindows(c->index);
1231 }
1232
1233 delete Depot::GetByTile(tile);
1234 DoClearSquare(tile);
1235 }
1236
1237 return CommandCost(EXPENSES_CONSTRUCTION, _price[PR_CLEAR_DEPOT_ROAD]);
1238 }
1239
1240 static CommandCost ClearTile_Road(TileIndex tile, DoCommandFlag flags)
1241 {
1242 switch (GetRoadTileType(tile)) {
1243 case ROAD_TILE_NORMAL: {
1244 RoadBits b = GetAllRoadBits(tile);
1245
1246 /* Clear the road if only one piece is on the tile OR we are not using the DC_AUTO flag */
1247 if ((HasExactlyOneBit(b) && GetRoadBits(tile, RTT_TRAM) == ROAD_NONE) || !(flags & DC_AUTO)) {
1248 CommandCost ret(EXPENSES_CONSTRUCTION);
1249 for (RoadTramType rtt : _roadtramtypes) {
1250 if (!MayHaveRoad(tile) || GetRoadType(tile, rtt) == INVALID_ROADTYPE) continue;
1251
1252 CommandCost tmp_ret = RemoveRoad(tile, flags, GetRoadBits(tile, rtt), rtt, true);
1253 if (tmp_ret.Failed()) return tmp_ret;
1254 ret.AddCost(tmp_ret);
1255 }
1256 return ret;
1257 }
1258 return_cmd_error(STR_ERROR_MUST_REMOVE_ROAD_FIRST);
1259 }
1260
1261 case ROAD_TILE_CROSSING: {
1262 CommandCost ret(EXPENSES_CONSTRUCTION);
1263
1264 if (flags & DC_AUTO) return_cmd_error(STR_ERROR_MUST_REMOVE_ROAD_FIRST);
1265
1266 /* Must iterate over the roadtypes in a reverse manner because
1267 * tram tracks must be removed before the road bits. */
1268 for (RoadTramType rtt : { RTT_TRAM, RTT_ROAD }) {
1269 if (!MayHaveRoad(tile) || GetRoadType(tile, rtt) == INVALID_ROADTYPE) continue;
1270
1271 CommandCost tmp_ret = RemoveRoad(tile, flags, GetCrossingRoadBits(tile), rtt, true);
1272 if (tmp_ret.Failed()) return tmp_ret;
1273 ret.AddCost(tmp_ret);
1274 }
1275
1276 if (flags & DC_EXEC) {
1277 Command<CMD_LANDSCAPE_CLEAR>::Do(flags, tile);
1278 }
1279 return ret;
1280 }
1281
1282 default:
1283 case ROAD_TILE_DEPOT:
1284 if (flags & DC_AUTO) {
1285 return_cmd_error(STR_ERROR_BUILDING_MUST_BE_DEMOLISHED);
1286 }
1287 return RemoveRoadDepot(tile, flags);
1288 }
1289 }
1290
1291
1292 struct DrawRoadTileStruct {
1293 uint16_t image;
1294 byte subcoord_x;
1295 byte subcoord_y;
1296 };
1297
1298 #include "table/road_land.h"
1299
1307 static Foundation GetRoadFoundation(Slope tileh, RoadBits bits)
1308 {
1309 /* Flat land and land without a road doesn't require a foundation */
1310 if (tileh == SLOPE_FLAT || bits == ROAD_NONE) return FOUNDATION_NONE;
1311
1312 /* Steep slopes behave the same as slopes with one corner raised. */
1313 if (IsSteepSlope(tileh)) {
1314 tileh = SlopeWithOneCornerRaised(GetHighestSlopeCorner(tileh));
1315 }
1316
1317 /* Leveled RoadBits on a slope */
1318 if ((_invalid_tileh_slopes_road[0][tileh] & bits) == ROAD_NONE) return FOUNDATION_LEVELED;
1319
1320 /* Straight roads without foundation on a slope */
1321 if (!IsSlopeWithOneCornerRaised(tileh) &&
1322 (_invalid_tileh_slopes_road[1][tileh] & bits) == ROAD_NONE)
1323 return FOUNDATION_NONE;
1324
1325 /* Roads on steep Slopes or on Slopes with one corner raised */
1326 return (bits == ROAD_X ? FOUNDATION_INCLINED_X : FOUNDATION_INCLINED_Y);
1327 }
1328
1329 const byte _road_sloped_sprites[14] = {
1330 0, 0, 2, 0,
1331 0, 1, 0, 0,
1332 3, 0, 0, 0,
1333 0, 0
1334 };
1335
1342 static uint GetRoadSpriteOffset(Slope slope, RoadBits bits)
1343 {
1344 if (slope != SLOPE_FLAT) {
1345 switch (slope) {
1346 case SLOPE_NE: return 11;
1347 case SLOPE_SE: return 12;
1348 case SLOPE_SW: return 13;
1349 case SLOPE_NW: return 14;
1350 default: NOT_REACHED();
1351 }
1352 } else {
1353 static const uint offsets[] = {
1354 0, 18, 17, 7,
1355 16, 0, 10, 5,
1356 15, 8, 1, 4,
1357 9, 3, 6, 2
1358 };
1359 return offsets[bits];
1360 }
1361 }
1362
1372 static bool DrawRoadAsSnowDesert(TileIndex tile, Roadside roadside)
1373 {
1374 return (IsOnSnow(tile) &&
1375 !(_settings_game.game_creation.landscape == LT_TROPIC && HasGrfMiscBit(GMB_DESERT_PAVED_ROADS) &&
1376 roadside != ROADSIDE_BARREN && roadside != ROADSIDE_GRASS && roadside != ROADSIDE_GRASS_ROAD_WORKS));
1377 }
1378
1385 void DrawRoadTypeCatenary(const TileInfo *ti, RoadType rt, RoadBits rb)
1386 {
1387 /* Don't draw the catenary under a low bridge */
1388 if (IsBridgeAbove(ti->tile) && !IsTransparencySet(TO_CATENARY)) {
1389 int height = GetBridgeHeight(GetNorthernBridgeEnd(ti->tile));
1390
1391 if (height <= GetTileMaxZ(ti->tile) + 1) return;
1392 }
1393
1394 if (CountBits(rb) > 2) {
1395 /* On junctions we check whether neighbouring tiles also have catenary, and possibly
1396 * do not draw catenary towards those neighbours, which do not have catenary. */
1397 RoadBits rb_new = ROAD_NONE;
1398 for (DiagDirection dir = DIAGDIR_BEGIN; dir < DIAGDIR_END; dir++) {
1399 if (rb & DiagDirToRoadBits(dir)) {
1400 TileIndex neighbour = TileAddByDiagDir(ti->tile, dir);
1401 if (MayHaveRoad(neighbour)) {
1402 RoadType rt_road = GetRoadTypeRoad(neighbour);
1403 RoadType rt_tram = GetRoadTypeTram(neighbour);
1404
1405 if ((rt_road != INVALID_ROADTYPE && HasRoadCatenary(rt_road)) ||
1406 (rt_tram != INVALID_ROADTYPE && HasRoadCatenary(rt_tram))) {
1407 rb_new |= DiagDirToRoadBits(dir);
1408 }
1409 }
1410 }
1411 }
1412 if (CountBits(rb_new) >= 2) rb = rb_new;
1413 }
1414
1415 const RoadTypeInfo *rti = GetRoadTypeInfo(rt);
1416 SpriteID front = GetCustomRoadSprite(rti, ti->tile, ROTSG_CATENARY_FRONT);
1417 SpriteID back = GetCustomRoadSprite(rti, ti->tile, ROTSG_CATENARY_BACK);
1418
1419 if (front != 0 || back != 0) {
1420 if (front != 0) front += GetRoadSpriteOffset(ti->tileh, rb);
1421 if (back != 0) back += GetRoadSpriteOffset(ti->tileh, rb);
1422 } else if (ti->tileh != SLOPE_FLAT) {
1423 back = SPR_TRAMWAY_BACK_WIRES_SLOPED + _road_sloped_sprites[ti->tileh - 1];
1424 front = SPR_TRAMWAY_FRONT_WIRES_SLOPED + _road_sloped_sprites[ti->tileh - 1];
1425 } else {
1426 back = SPR_TRAMWAY_BASE + _road_backpole_sprites_1[rb];
1427 front = SPR_TRAMWAY_BASE + _road_frontwire_sprites_1[rb];
1428 }
1429
1430 /* Catenary uses 1st company colour to help identify owner.
1431 * For tiles with OWNER_TOWN or OWNER_NONE, recolour CC to grey as a neutral colour. */
1432 Owner owner = GetRoadOwner(ti->tile, GetRoadTramType(rt));
1433 PaletteID pal = (owner == OWNER_NONE || owner == OWNER_TOWN ? GENERAL_SPRITE_COLOUR(COLOUR_GREY) : COMPANY_SPRITE_COLOUR(owner));
1434 int z_wires = (ti->tileh == SLOPE_FLAT ? 0 : TILE_HEIGHT) + BB_HEIGHT_UNDER_BRIDGE;
1435 if (back != 0) {
1436 /* The "back" sprite contains the west, north and east pillars.
1437 * We cut the sprite at 3/8 of the west/east edges to create 3 sprites.
1438 * 3/8 is chosen so that sprites can somewhat graphically extend into the tile. */
1439 static const int INF = 1000;
1440 static const SubSprite west = { -INF, -INF, -12, INF };
1441 static const SubSprite north = { -12, -INF, 12, INF };
1442 static const SubSprite east = { 12, -INF, INF, INF };
1443 AddSortableSpriteToDraw(back, pal, ti->x, ti->y, 16, 1, z_wires, ti->z, IsTransparencySet(TO_CATENARY), 15, 0, GetSlopePixelZInCorner(ti->tileh, CORNER_W), &west);
1444 AddSortableSpriteToDraw(back, pal, ti->x, ti->y, 1, 1, z_wires, ti->z, IsTransparencySet(TO_CATENARY), 0, 0, GetSlopePixelZInCorner(ti->tileh, CORNER_N), &north);
1445 AddSortableSpriteToDraw(back, pal, ti->x, ti->y, 1, 16, z_wires, ti->z, IsTransparencySet(TO_CATENARY), 0, 15, GetSlopePixelZInCorner(ti->tileh, CORNER_E), &east);
1446 }
1447 if (front != 0) {
1448 /* Draw the "front" sprite (containing south pillar and wires) at a Z height that is both above the vehicles and above the "back" pillars. */
1449 AddSortableSpriteToDraw(front, pal, ti->x, ti->y, 16, 16, z_wires + 1, ti->z, IsTransparencySet(TO_CATENARY), 0, 0, z_wires);
1450 }
1451 }
1452
1457 void DrawRoadCatenary(const TileInfo *ti)
1458 {
1459 RoadBits road = ROAD_NONE;
1460 RoadBits tram = ROAD_NONE;
1461
1462 if (IsTileType(ti->tile, MP_ROAD)) {
1463 if (IsNormalRoad(ti->tile)) {
1464 road = GetRoadBits(ti->tile, RTT_ROAD);
1465 tram = GetRoadBits(ti->tile, RTT_TRAM);
1466 } else if (IsLevelCrossing(ti->tile)) {
1467 tram = road = (GetCrossingRailAxis(ti->tile) == AXIS_Y ? ROAD_X : ROAD_Y);
1468 }
1469 } else if (IsTileType(ti->tile, MP_STATION)) {
1470 if (IsRoadStop(ti->tile)) {
1471 if (IsDriveThroughStopTile(ti->tile)) {
1472 Axis axis = GetRoadStopDir(ti->tile) == DIAGDIR_NE ? AXIS_X : AXIS_Y;
1473 tram = road = (axis == AXIS_X ? ROAD_X : ROAD_Y);
1474 } else {
1475 tram = road = DiagDirToRoadBits(GetRoadStopDir(ti->tile));
1476 }
1477 }
1478 } else {
1479 // No road here, no catenary to draw
1480 return;
1481 }
1482
1483 RoadType rt = GetRoadTypeRoad(ti->tile);
1484 if (rt != INVALID_ROADTYPE && HasRoadCatenaryDrawn(rt)) {
1485 DrawRoadTypeCatenary(ti, rt, road);
1486 }
1487
1488 rt = GetRoadTypeTram(ti->tile);
1489 if (rt != INVALID_ROADTYPE && HasRoadCatenaryDrawn(rt)) {
1490 DrawRoadTypeCatenary(ti, rt, tram);
1491 }
1492 }
1493
1503 static void DrawRoadDetail(SpriteID img, const TileInfo *ti, int dx, int dy, int h, bool transparent)
1504 {
1505 int x = ti->x | dx;
1506 int y = ti->y | dy;
1507 int z = ti->z;
1508 if (ti->tileh != SLOPE_FLAT) z = GetSlopePixelZ(x, y);
1509 AddSortableSpriteToDraw(img, PAL_NONE, x, y, 2, 2, h, z, transparent);
1510 }
1511
1521 void DrawRoadOverlays(const TileInfo *ti, PaletteID pal, const RoadTypeInfo *road_rti, const RoadTypeInfo *tram_rti, uint road_offset, uint tram_offset, bool draw_underlay)
1522 {
1523 if (draw_underlay) {
1524 /* Road underlay takes precedence over tram */
1525 if (road_rti != nullptr) {
1526 if (road_rti->UsesOverlay()) {
1527 SpriteID ground = GetCustomRoadSprite(road_rti, ti->tile, ROTSG_GROUND);
1528 DrawGroundSprite(ground + road_offset, pal);
1529 }
1530 } else {
1531 if (tram_rti->UsesOverlay()) {
1532 SpriteID ground = GetCustomRoadSprite(tram_rti, ti->tile, ROTSG_GROUND);
1533 DrawGroundSprite(ground + tram_offset, pal);
1534 } else {
1535 DrawGroundSprite(SPR_TRAMWAY_TRAM + tram_offset, pal);
1536 }
1537 }
1538 }
1539
1540 /* Draw road overlay */
1541 if (road_rti != nullptr) {
1542 if (road_rti->UsesOverlay()) {
1543 SpriteID ground = GetCustomRoadSprite(road_rti, ti->tile, ROTSG_OVERLAY);
1544 if (ground != 0) DrawGroundSprite(ground + road_offset, pal);
1545 }
1546 }
1547
1548 /* Draw tram overlay */
1549 if (tram_rti != nullptr) {
1550 if (tram_rti->UsesOverlay()) {
1551 SpriteID ground = GetCustomRoadSprite(tram_rti, ti->tile, ROTSG_OVERLAY);
1552 if (ground != 0) DrawGroundSprite(ground + tram_offset, pal);
1553 } else if (road_rti != nullptr) {
1554 DrawGroundSprite(SPR_TRAMWAY_OVERLAY + tram_offset, pal);
1555 }
1556 }
1557 }
1558
1567 static SpriteID GetRoadGroundSprite(const TileInfo *ti, Roadside roadside, const RoadTypeInfo *rti, uint offset, PaletteID *pal)
1568 {
1569 /* Draw bare ground sprite if no road or road uses overlay system. */
1570 if (rti == nullptr || rti->UsesOverlay()) {
1571 if (DrawRoadAsSnowDesert(ti->tile, roadside)) {
1572 return SPR_FLAT_SNOW_DESERT_TILE + SlopeToSpriteOffset(ti->tileh);
1573 }
1574
1575 switch (roadside) {
1576 case ROADSIDE_BARREN: *pal = PALETTE_TO_BARE_LAND;
1577 return SPR_FLAT_GRASS_TILE + SlopeToSpriteOffset(ti->tileh);
1578 case ROADSIDE_GRASS:
1579 case ROADSIDE_GRASS_ROAD_WORKS: return SPR_FLAT_GRASS_TILE + SlopeToSpriteOffset(ti->tileh);
1580 default: break; // Paved
1581 }
1582 }
1583
1584 /* Draw original road base sprite */
1585 SpriteID image = SPR_ROAD_Y + offset;
1586 if (DrawRoadAsSnowDesert(ti->tile, roadside)) {
1587 image += 19;
1588 } else {
1589 switch (roadside) {
1590 case ROADSIDE_BARREN: *pal = PALETTE_TO_BARE_LAND; break;
1591 case ROADSIDE_GRASS: break;
1592 case ROADSIDE_GRASS_ROAD_WORKS: break;
1593 default: image -= 19; break; // Paved
1594 }
1595 }
1596
1597 return image;
1598 }
1599
1604 static void DrawRoadBits(TileInfo *ti)
1605 {
1606 RoadBits road = GetRoadBits(ti->tile, RTT_ROAD);
1607 RoadBits tram = GetRoadBits(ti->tile, RTT_TRAM);
1608
1609 RoadType road_rt = GetRoadTypeRoad(ti->tile);
1610 RoadType tram_rt = GetRoadTypeTram(ti->tile);
1611 const RoadTypeInfo *road_rti = road_rt == INVALID_ROADTYPE ? nullptr : GetRoadTypeInfo(road_rt);
1612 const RoadTypeInfo *tram_rti = tram_rt == INVALID_ROADTYPE ? nullptr : GetRoadTypeInfo(tram_rt);
1613
1614 if (ti->tileh != SLOPE_FLAT) {
1615 DrawFoundation(ti, GetRoadFoundation(ti->tileh, road | tram));
1616 /* DrawFoundation() modifies ti. */
1617 }
1618
1619 /* Determine sprite offsets */
1620 uint road_offset = GetRoadSpriteOffset(ti->tileh, road);
1621 uint tram_offset = GetRoadSpriteOffset(ti->tileh, tram);
1622
1623 /* Draw baseset underlay */
1624 Roadside roadside = GetRoadside(ti->tile);
1625
1626 PaletteID pal = PAL_NONE;
1627 SpriteID image = GetRoadGroundSprite(ti, roadside, road_rti, road == ROAD_NONE ? tram_offset : road_offset, &pal);
1628 DrawGroundSprite(image, pal);
1629
1630 DrawRoadOverlays(ti, pal, road_rti, tram_rti, road_offset, tram_offset);
1631
1632 /* Draw one way */
1633 if (road_rti != nullptr) {
1634 DisallowedRoadDirections drd = GetDisallowedRoadDirections(ti->tile);
1635 if (drd != DRD_NONE) {
1636 SpriteID oneway = GetCustomRoadSprite(road_rti, ti->tile, ROTSG_ONEWAY);
1637
1638 if (oneway == 0) oneway = SPR_ONEWAY_BASE;
1639
1640 if ((ti->tileh == SLOPE_NE) || (ti->tileh == SLOPE_NW)) {
1641 oneway += SPR_ONEWAY_SLOPE_N_OFFSET;
1642 } else if ((ti->tileh == SLOPE_SE) || (ti->tileh == SLOPE_SW)) {
1643 oneway += SPR_ONEWAY_SLOPE_S_OFFSET;
1644 }
1645
1646 DrawGroundSpriteAt(oneway + drd - 1 + ((road == ROAD_X) ? 0 : 3), PAL_NONE, 8, 8, GetPartialPixelZ(8, 8, ti->tileh));
1647 }
1648 }
1649
1650 if (HasRoadWorks(ti->tile)) {
1651 /* Road works */
1652 DrawGroundSprite((road | tram) & ROAD_X ? SPR_EXCAVATION_X : SPR_EXCAVATION_Y, PAL_NONE);
1653 return;
1654 }
1655
1656 /* Draw road, tram catenary */
1657 DrawRoadCatenary(ti);
1658
1659 /* Return if full detail is disabled, or we are zoomed fully out. */
1660 if (!HasBit(_display_opt, DO_FULL_DETAIL) || _cur_dpi->zoom > ZOOM_LVL_DETAIL) return;
1661
1662 /* Do not draw details (street lights, trees) under low bridge */
1663 if (IsBridgeAbove(ti->tile) && (roadside == ROADSIDE_TREES || roadside == ROADSIDE_STREET_LIGHTS)) {
1664 int height = GetBridgeHeight(GetNorthernBridgeEnd(ti->tile));
1665 int minz = GetTileMaxZ(ti->tile) + 2;
1666
1667 if (roadside == ROADSIDE_TREES) minz++;
1668
1669 if (height < minz) return;
1670 }
1671
1672 /* If there are no road bits, return, as there is nothing left to do */
1673 if (HasAtMostOneBit(road)) return;
1674
1675 /* Do not draw details when invisible. */
1676 if (roadside == ROADSIDE_TREES && IsInvisibilitySet(TO_TREES)) return;
1677 if (roadside == ROADSIDE_STREET_LIGHTS && IsInvisibilitySet(TO_HOUSES)) return;
1678
1679 /* Check whether details should be transparent. */
1680 bool is_transparent = false;
1681 if (roadside == ROADSIDE_TREES && IsTransparencySet(TO_TREES)) {
1682 is_transparent = true;
1683 }
1684 if (roadside == ROADSIDE_STREET_LIGHTS && IsTransparencySet(TO_HOUSES)) {
1685 is_transparent = true;
1686 }
1687
1688 /* Draw extra details. */
1689 for (const DrawRoadTileStruct *drts = _road_display_table[roadside][road | tram]; drts->image != 0; drts++) {
1690 DrawRoadDetail(drts->image, ti, drts->subcoord_x, drts->subcoord_y, 0x10, is_transparent);
1691 }
1692 }
1693
1695 static void DrawTile_Road(TileInfo *ti)
1696 {
1697 switch (GetRoadTileType(ti->tile)) {
1698 case ROAD_TILE_NORMAL:
1699 DrawRoadBits(ti);
1700 break;
1701
1702 case ROAD_TILE_CROSSING: {
1703 if (ti->tileh != SLOPE_FLAT) DrawFoundation(ti, FOUNDATION_LEVELED);
1704
1705 Axis axis = GetCrossingRailAxis(ti->tile);
1706
1707 const RailTypeInfo *rti = GetRailTypeInfo(GetRailType(ti->tile));
1708
1709 RoadType road_rt = GetRoadTypeRoad(ti->tile);
1710 RoadType tram_rt = GetRoadTypeTram(ti->tile);
1711 const RoadTypeInfo *road_rti = road_rt == INVALID_ROADTYPE ? nullptr : GetRoadTypeInfo(road_rt);
1712 const RoadTypeInfo *tram_rti = tram_rt == INVALID_ROADTYPE ? nullptr : GetRoadTypeInfo(tram_rt);
1713
1714 PaletteID pal = PAL_NONE;
1715
1716 /* Draw base ground */
1717 if (rti->UsesOverlay()) {
1718 SpriteID image = SPR_ROAD_Y + axis;
1719
1720 Roadside roadside = GetRoadside(ti->tile);
1721 if (DrawRoadAsSnowDesert(ti->tile, roadside)) {
1722 image += 19;
1723 } else {
1724 switch (roadside) {
1725 case ROADSIDE_BARREN: pal = PALETTE_TO_BARE_LAND; break;
1726 case ROADSIDE_GRASS: break;
1727 default: image -= 19; break; // Paved
1728 }
1729 }
1730
1731 DrawGroundSprite(image, pal);
1732 } else {
1733 SpriteID image = rti->base_sprites.crossing + axis;
1734 if (IsCrossingBarred(ti->tile)) image += 2;
1735
1736 Roadside roadside = GetRoadside(ti->tile);
1737 if (DrawRoadAsSnowDesert(ti->tile, roadside)) {
1738 image += 8;
1739 } else {
1740 switch (roadside) {
1741 case ROADSIDE_BARREN: pal = PALETTE_TO_BARE_LAND; break;
1742 case ROADSIDE_GRASS: break;
1743 default: image += 4; break; // Paved
1744 }
1745 }
1746
1747 DrawGroundSprite(image, pal);
1748 }
1749
1750 DrawRoadOverlays(ti, pal, road_rti, tram_rti, axis, axis);
1751
1752 /* Draw rail/PBS overlay */
1753 bool draw_pbs = _game_mode != GM_MENU && _settings_client.gui.show_track_reservation && HasCrossingReservation(ti->tile);
1754 if (rti->UsesOverlay()) {
1755 pal = draw_pbs ? PALETTE_CRASH : PAL_NONE;
1756 SpriteID rail = GetCustomRailSprite(rti, ti->tile, RTSG_CROSSING) + axis;
1757 DrawGroundSprite(rail, pal);
1758
1759 const Axis road_axis = GetCrossingRoadAxis(ti->tile);
1760 const DiagDirection dir1 = AxisToDiagDir(road_axis);
1761 const DiagDirection dir2 = ReverseDiagDir(dir1);
1762 uint adjacent_diagdirs = 0;
1763 for (DiagDirection dir : { dir1, dir2 }) {
1764 const TileIndex t = TileAddByDiagDir(ti->tile, dir);
1765 if (t < Map::Size() && IsLevelCrossingTile(t) && GetCrossingRoadAxis(t) == road_axis) {
1766 SetBit(adjacent_diagdirs, dir);
1767 }
1768 }
1769
1770 switch (adjacent_diagdirs) {
1771 case 0:
1772 DrawRailTileSeq(ti, &_crossing_layout, TO_CATENARY, rail, 0, PAL_NONE);
1773 break;
1774
1775 case (1 << DIAGDIR_NE):
1776 DrawRailTileSeq(ti, &_crossing_layout_SW, TO_CATENARY, rail, 0, PAL_NONE);
1777 break;
1778
1779 case (1 << DIAGDIR_SE):
1780 DrawRailTileSeq(ti, &_crossing_layout_NW, TO_CATENARY, rail, 0, PAL_NONE);
1781 break;
1782
1783 case (1 << DIAGDIR_SW):
1784 DrawRailTileSeq(ti, &_crossing_layout_NE, TO_CATENARY, rail, 0, PAL_NONE);
1785 break;
1786
1787 case (1 << DIAGDIR_NW):
1788 DrawRailTileSeq(ti, &_crossing_layout_SE, TO_CATENARY, rail, 0, PAL_NONE);
1789 break;
1790
1791 default:
1792 /* Show no sprites */
1793 break;
1794 }
1795 } else if (draw_pbs || tram_rti != nullptr || road_rti->UsesOverlay()) {
1796 /* Add another rail overlay, unless there is only the base road sprite. */
1797 pal = draw_pbs ? PALETTE_CRASH : PAL_NONE;
1798 SpriteID rail = GetCrossingRoadAxis(ti->tile) == AXIS_Y ? GetRailTypeInfo(GetRailType(ti->tile))->base_sprites.single_x : GetRailTypeInfo(GetRailType(ti->tile))->base_sprites.single_y;
1799 DrawGroundSprite(rail, pal);
1800 }
1801
1802 /* Draw road, tram catenary */
1803 DrawRoadCatenary(ti);
1804
1805 /* Draw rail catenary */
1806 if (HasRailCatenaryDrawn(GetRailType(ti->tile))) DrawRailCatenary(ti);
1807
1808 break;
1809 }
1810
1811 default:
1812 case ROAD_TILE_DEPOT: {
1813 if (ti->tileh != SLOPE_FLAT) DrawFoundation(ti, FOUNDATION_LEVELED);
1814
1815 PaletteID palette = COMPANY_SPRITE_COLOUR(GetTileOwner(ti->tile));
1816
1817 RoadType road_rt = GetRoadTypeRoad(ti->tile);
1818 RoadType tram_rt = GetRoadTypeTram(ti->tile);
1819 const RoadTypeInfo *rti = GetRoadTypeInfo(road_rt == INVALID_ROADTYPE ? tram_rt : road_rt);
1820
1821 int relocation = GetCustomRoadSprite(rti, ti->tile, ROTSG_DEPOT);
1822 bool default_gfx = relocation == 0;
1823 if (default_gfx) {
1824 if (HasBit(rti->flags, ROTF_CATENARY)) {
1825 if (_loaded_newgrf_features.tram == TRAMWAY_REPLACE_DEPOT_WITH_TRACK && road_rt == INVALID_ROADTYPE && !rti->UsesOverlay()) {
1826 /* Sprites with track only work for default tram */
1827 relocation = SPR_TRAMWAY_DEPOT_WITH_TRACK - SPR_ROAD_DEPOT;
1828 default_gfx = false;
1829 } else {
1830 /* Sprites without track are always better, if provided */
1831 relocation = SPR_TRAMWAY_DEPOT_NO_TRACK - SPR_ROAD_DEPOT;
1832 }
1833 }
1834 } else {
1835 relocation -= SPR_ROAD_DEPOT;
1836 }
1837
1838 DiagDirection dir = GetRoadDepotDirection(ti->tile);
1839 const DrawTileSprites *dts = &_road_depot[dir];
1840 DrawGroundSprite(dts->ground.sprite, PAL_NONE);
1841
1842 if (default_gfx) {
1843 uint offset = GetRoadSpriteOffset(SLOPE_FLAT, DiagDirToRoadBits(dir));
1844 if (rti->UsesOverlay()) {
1845 SpriteID ground = GetCustomRoadSprite(rti, ti->tile, ROTSG_OVERLAY);
1846 if (ground != 0) DrawGroundSprite(ground + offset, PAL_NONE);
1847 } else if (road_rt == INVALID_ROADTYPE) {
1848 DrawGroundSprite(SPR_TRAMWAY_OVERLAY + offset, PAL_NONE);
1849 }
1850 }
1851
1852 DrawRailTileSeq(ti, dts, TO_BUILDINGS, relocation, 0, palette);
1853 break;
1854 }
1855 }
1856 DrawBridgeMiddle(ti);
1857 }
1858
1866 void DrawRoadDepotSprite(int x, int y, DiagDirection dir, RoadType rt)
1867 {
1868 PaletteID palette = COMPANY_SPRITE_COLOUR(_local_company);
1869
1870 const RoadTypeInfo *rti = GetRoadTypeInfo(rt);
1871 int relocation = GetCustomRoadSprite(rti, INVALID_TILE, ROTSG_DEPOT);
1872 bool default_gfx = relocation == 0;
1873 if (default_gfx) {
1874 if (HasBit(rti->flags, ROTF_CATENARY)) {
1875 if (_loaded_newgrf_features.tram == TRAMWAY_REPLACE_DEPOT_WITH_TRACK && RoadTypeIsTram(rt) && !rti->UsesOverlay()) {
1876 /* Sprites with track only work for default tram */
1877 relocation = SPR_TRAMWAY_DEPOT_WITH_TRACK - SPR_ROAD_DEPOT;
1878 default_gfx = false;
1879 } else {
1880 /* Sprites without track are always better, if provided */
1881 relocation = SPR_TRAMWAY_DEPOT_NO_TRACK - SPR_ROAD_DEPOT;
1882 }
1883 }
1884 } else {
1885 relocation -= SPR_ROAD_DEPOT;
1886 }
1887
1888 const DrawTileSprites *dts = &_road_depot[dir];
1889 DrawSprite(dts->ground.sprite, PAL_NONE, x, y);
1890
1891 if (default_gfx) {
1892 uint offset = GetRoadSpriteOffset(SLOPE_FLAT, DiagDirToRoadBits(dir));
1893 if (rti->UsesOverlay()) {
1894 SpriteID ground = GetCustomRoadSprite(rti, INVALID_TILE, ROTSG_OVERLAY);
1895 if (ground != 0) DrawSprite(ground + offset, PAL_NONE, x, y);
1896 } else if (RoadTypeIsTram(rt)) {
1897 DrawSprite(SPR_TRAMWAY_OVERLAY + offset, PAL_NONE, x, y);
1898 }
1899 }
1900
1901 DrawRailTileSeqInGUI(x, y, dts, relocation, 0, palette);
1902 }
1903
1909 void UpdateNearestTownForRoadTiles(bool invalidate)
1910 {
1911 assert(!invalidate || _generating_world);
1912
1913 for (TileIndex t = 0; t < Map::Size(); t++) {
1914 if (IsTileType(t, MP_ROAD) && !IsRoadDepot(t) && !HasTownOwnedRoad(t)) {
1915 TownID tid = INVALID_TOWN;
1916 if (!invalidate) {
1917 const Town *town = CalcClosestTownFromTile(t);
1918 if (town != nullptr) tid = town->index;
1919 }
1920 SetTownIndex(t, tid);
1921 }
1922 }
1923 }
1924
1925 static int GetSlopePixelZ_Road(TileIndex tile, uint x, uint y, bool)
1926 {
1927
1928 if (IsNormalRoad(tile)) {
1929 int z;
1930 Slope tileh = GetTilePixelSlope(tile, &z);
1931 if (tileh == SLOPE_FLAT) return z;
1932
1933 Foundation f = GetRoadFoundation(tileh, GetAllRoadBits(tile));
1934 z += ApplyPixelFoundationToSlope(f, &tileh);
1935 return z + GetPartialPixelZ(x & 0xF, y & 0xF, tileh);
1936 } else {
1937 return GetTileMaxPixelZ(tile);
1938 }
1939 }
1940
1941 static Foundation GetFoundation_Road(TileIndex tile, Slope tileh)
1942 {
1943 if (IsNormalRoad(tile)) {
1944 return GetRoadFoundation(tileh, GetAllRoadBits(tile));
1945 } else {
1946 return FlatteningFoundation(tileh);
1947 }
1948 }
1949
1950 static const Roadside _town_road_types[][2] = {
1951 { ROADSIDE_GRASS, ROADSIDE_GRASS },
1952 { ROADSIDE_PAVED, ROADSIDE_PAVED },
1953 { ROADSIDE_PAVED, ROADSIDE_PAVED },
1954 { ROADSIDE_TREES, ROADSIDE_TREES },
1955 { ROADSIDE_STREET_LIGHTS, ROADSIDE_PAVED }
1956 };
1957
1958 static_assert(lengthof(_town_road_types) == HZB_END);
1959
1960 static const Roadside _town_road_types_2[][2] = {
1961 { ROADSIDE_GRASS, ROADSIDE_GRASS },
1962 { ROADSIDE_PAVED, ROADSIDE_PAVED },
1963 { ROADSIDE_STREET_LIGHTS, ROADSIDE_PAVED },
1964 { ROADSIDE_STREET_LIGHTS, ROADSIDE_PAVED },
1965 { ROADSIDE_STREET_LIGHTS, ROADSIDE_PAVED }
1966 };
1967
1968 static_assert(lengthof(_town_road_types_2) == HZB_END);
1969
1970
1971 static void TileLoop_Road(TileIndex tile)
1972 {
1973 switch (_settings_game.game_creation.landscape) {
1974 case LT_ARCTIC:
1975 if (IsOnSnow(tile) != (GetTileZ(tile) > GetSnowLine())) {
1976 ToggleSnow(tile);
1977 MarkTileDirtyByTile(tile);
1978 }
1979 break;
1980
1981 case LT_TROPIC:
1982 if (GetTropicZone(tile) == TROPICZONE_DESERT && !IsOnDesert(tile)) {
1983 ToggleDesert(tile);
1984 MarkTileDirtyByTile(tile);
1985 }
1986 break;
1987 }
1988
1989 if (IsRoadDepot(tile)) return;
1990
1991 const Town *t = ClosestTownFromTile(tile, UINT_MAX);
1992 if (!HasRoadWorks(tile)) {
1993 HouseZonesBits grp = HZB_TOWN_EDGE;
1994
1995 if (t != nullptr) {
1996 grp = GetTownRadiusGroup(t, tile);
1997
1998 /* Show an animation to indicate road work */
1999 if (t->road_build_months != 0 &&
2000 (DistanceManhattan(t->xy, tile) < 8 || grp != HZB_TOWN_EDGE) &&
2001 IsNormalRoad(tile) && !HasAtMostOneBit(GetAllRoadBits(tile))) {
2002 if (GetFoundationSlope(tile) == SLOPE_FLAT && EnsureNoVehicleOnGround(tile).Succeeded() && Chance16(1, 40)) {
2003 StartRoadWorks(tile);
2004
2005 if (_settings_client.sound.ambient) SndPlayTileFx(SND_21_ROAD_WORKS, tile);
2006 CreateEffectVehicleAbove(
2007 TileX(tile) * TILE_SIZE + 7,
2008 TileY(tile) * TILE_SIZE + 7,
2009 0,
2010 EV_BULLDOZER);
2011 MarkTileDirtyByTile(tile);
2012 return;
2013 }
2014 }
2015 }
2016
2017 {
2018 /* Adjust road ground type depending on 'grp' (grp is the distance to the center) */
2019 const Roadside *new_rs = (_settings_game.game_creation.landscape == LT_TOYLAND) ? _town_road_types_2[grp] : _town_road_types[grp];
2020 Roadside cur_rs = GetRoadside(tile);
2021
2022 /* We have our desired type, do nothing */
2023 if (cur_rs == new_rs[0]) return;
2024
2025 /* We have the pre-type of the desired type, switch to the desired type */
2026 if (cur_rs == new_rs[1]) {
2027 cur_rs = new_rs[0];
2028 /* We have barren land, install the pre-type */
2029 } else if (cur_rs == ROADSIDE_BARREN) {
2030 cur_rs = new_rs[1];
2031 /* We're totally off limits, remove any installation and make barren land */
2032 } else {
2033 cur_rs = ROADSIDE_BARREN;
2034 }
2035 SetRoadside(tile, cur_rs);
2036 MarkTileDirtyByTile(tile);
2037 }
2038 } else if (IncreaseRoadWorksCounter(tile)) {
2039 TerminateRoadWorks(tile);
2040
2041 if (_settings_game.economy.mod_road_rebuild) {
2042 /* Generate a nicer town surface */
2043 const RoadBits old_rb = GetAnyRoadBits(tile, RTT_ROAD);
2044 const RoadBits new_rb = CleanUpRoadBits(tile, old_rb);
2045
2046 if (old_rb != new_rb) {
2047 RemoveRoad(tile, DC_EXEC | DC_AUTO | DC_NO_WATER, (old_rb ^ new_rb), RTT_ROAD, true);
2048
2049 /* If new_rb is 0, there are now no road pieces left and the tile is no longer a road tile */
2050 if (new_rb == 0) {
2051 MarkTileDirtyByTile(tile);
2052 return;
2053 }
2054 }
2055 }
2056
2057 /* Possibly change road type */
2058 if (GetRoadOwner(tile, RTT_ROAD) == OWNER_TOWN) {
2059 RoadType rt = GetTownRoadType();
2060 if (rt != GetRoadTypeRoad(tile)) {
2061 SetRoadType(tile, RTT_ROAD, rt);
2062 }
2063 }
2064
2065 MarkTileDirtyByTile(tile);
2066 }
2067 }
2068
2069 static bool ClickTile_Road(TileIndex tile)
2070 {
2071 if (!IsRoadDepot(tile)) return false;
2072
2073 ShowDepotWindow(tile, VEH_ROAD);
2074 return true;
2075 }
2076
2077 /* Converts RoadBits to TrackBits */
2078 static const TrackBits _road_trackbits[16] = {
2079 TRACK_BIT_NONE, // ROAD_NONE
2080 TRACK_BIT_NONE, // ROAD_NW
2081 TRACK_BIT_NONE, // ROAD_SW
2082 TRACK_BIT_LEFT, // ROAD_W
2083 TRACK_BIT_NONE, // ROAD_SE
2084 TRACK_BIT_Y, // ROAD_Y
2085 TRACK_BIT_LOWER, // ROAD_S
2086 TRACK_BIT_LEFT | TRACK_BIT_LOWER | TRACK_BIT_Y, // ROAD_Y | ROAD_SW
2087 TRACK_BIT_NONE, // ROAD_NE
2088 TRACK_BIT_UPPER, // ROAD_N
2089 TRACK_BIT_X, // ROAD_X
2090 TRACK_BIT_LEFT | TRACK_BIT_UPPER | TRACK_BIT_X, // ROAD_X | ROAD_NW
2091 TRACK_BIT_RIGHT, // ROAD_E
2092 TRACK_BIT_RIGHT | TRACK_BIT_UPPER | TRACK_BIT_Y, // ROAD_Y | ROAD_NE
2093 TRACK_BIT_RIGHT | TRACK_BIT_LOWER | TRACK_BIT_X, // ROAD_X | ROAD_SE
2094 TRACK_BIT_ALL, // ROAD_ALL
2095 };
2096
2097 static TrackStatus GetTileTrackStatus_Road(TileIndex tile, TransportType mode, uint sub_mode, DiagDirection side)
2098 {
2099 TrackdirBits trackdirbits = TRACKDIR_BIT_NONE;
2100 TrackdirBits red_signals = TRACKDIR_BIT_NONE; // crossing barred
2101 switch (mode) {
2102 case TRANSPORT_RAIL:
2103 if (IsLevelCrossing(tile)) trackdirbits = TrackBitsToTrackdirBits(GetCrossingRailBits(tile));
2104 break;
2105
2106 case TRANSPORT_ROAD: {
2107 RoadTramType rtt = (RoadTramType)sub_mode;
2108 if (!HasTileRoadType(tile, rtt)) break;
2109 switch (GetRoadTileType(tile)) {
2110 case ROAD_TILE_NORMAL: {
2111 const uint drd_to_multiplier[DRD_END] = { 0x101, 0x100, 0x1, 0x0 };
2112 RoadBits bits = GetRoadBits(tile, rtt);
2113
2114 /* no roadbit at this side of tile, return 0 */
2115 if (side != INVALID_DIAGDIR && (DiagDirToRoadBits(side) & bits) == 0) break;
2116
2117 uint multiplier = drd_to_multiplier[(rtt == RTT_TRAM) ? DRD_NONE : GetDisallowedRoadDirections(tile)];
2118 if (!HasRoadWorks(tile)) trackdirbits = (TrackdirBits)(_road_trackbits[bits] * multiplier);
2119 break;
2120 }
2121
2122 case ROAD_TILE_CROSSING: {
2123 Axis axis = GetCrossingRoadAxis(tile);
2124
2125 if (side != INVALID_DIAGDIR && axis != DiagDirToAxis(side)) break;
2126
2127 trackdirbits = TrackBitsToTrackdirBits(AxisToTrackBits(axis));
2128 if (IsCrossingBarred(tile)) {
2129 red_signals = trackdirbits;
2130 if (TrainOnCrossing(tile)) break;
2131
2132 auto mask_red_signal_bits_if_crossing_barred = [&](TileIndex t, TrackdirBits mask) {
2133 if (IsLevelCrossingTile(t) && IsCrossingBarred(t)) red_signals &= mask;
2134 };
2135 /* Check for blocked adjacent crossing to south, keep only southbound red signal trackdirs, allow northbound traffic */
2136 mask_red_signal_bits_if_crossing_barred(TileAddByDiagDir(tile, AxisToDiagDir(axis)), TRACKDIR_BIT_X_SW | TRACKDIR_BIT_Y_SE);
2137 /* Check for blocked adjacent crossing to north, keep only northbound red signal trackdirs, allow southbound traffic */
2138 mask_red_signal_bits_if_crossing_barred(TileAddByDiagDir(tile, ReverseDiagDir(AxisToDiagDir(axis))), TRACKDIR_BIT_X_NE | TRACKDIR_BIT_Y_NW);
2139 }
2140 break;
2141 }
2142
2143 default:
2144 case ROAD_TILE_DEPOT: {
2145 DiagDirection dir = GetRoadDepotDirection(tile);
2146
2147 if (side != INVALID_DIAGDIR && side != dir) break;
2148
2149 trackdirbits = TrackBitsToTrackdirBits(DiagDirToDiagTrackBits(dir));
2150 break;
2151 }
2152 }
2153 break;
2154 }
2155
2156 default: break;
2157 }
2158 return CombineTrackStatus(trackdirbits, red_signals);
2159 }
2160
2161 static const StringID _road_tile_strings[] = {
2162 STR_LAI_ROAD_DESCRIPTION_ROAD,
2163 STR_LAI_ROAD_DESCRIPTION_ROAD,
2164 STR_LAI_ROAD_DESCRIPTION_ROAD,
2165 STR_LAI_ROAD_DESCRIPTION_ROAD_WITH_STREETLIGHTS,
2166 STR_LAI_ROAD_DESCRIPTION_ROAD,
2167 STR_LAI_ROAD_DESCRIPTION_TREE_LINED_ROAD,
2168 STR_LAI_ROAD_DESCRIPTION_ROAD,
2169 STR_LAI_ROAD_DESCRIPTION_ROAD,
2170 };
2171
2172 static void GetTileDesc_Road(TileIndex tile, TileDesc *td)
2173 {
2174 Owner rail_owner = INVALID_OWNER;
2175 Owner road_owner = INVALID_OWNER;
2176 Owner tram_owner = INVALID_OWNER;
2177
2178 RoadType road_rt = GetRoadTypeRoad(tile);
2179 RoadType tram_rt = GetRoadTypeTram(tile);
2180 if (road_rt != INVALID_ROADTYPE) {
2181 const RoadTypeInfo *rti = GetRoadTypeInfo(road_rt);
2182 td->roadtype = rti->strings.name;
2183 td->road_speed = rti->max_speed / 2;
2184 road_owner = GetRoadOwner(tile, RTT_ROAD);
2185 }
2186 if (tram_rt != INVALID_ROADTYPE) {
2187 const RoadTypeInfo *rti = GetRoadTypeInfo(tram_rt);
2188 td->tramtype = rti->strings.name;
2189 td->tram_speed = rti->max_speed / 2;
2190 tram_owner = GetRoadOwner(tile, RTT_TRAM);
2191 }
2192
2193 switch (GetRoadTileType(tile)) {
2194 case ROAD_TILE_CROSSING: {
2195 td->str = STR_LAI_ROAD_DESCRIPTION_ROAD_RAIL_LEVEL_CROSSING;
2196 rail_owner = GetTileOwner(tile);
2197
2198 const RailTypeInfo *rti = GetRailTypeInfo(GetRailType(tile));
2199 td->railtype = rti->strings.name;
2200 td->rail_speed = rti->max_speed;
2201
2202 break;
2203 }
2204
2205 case ROAD_TILE_DEPOT:
2206 td->str = STR_LAI_ROAD_DESCRIPTION_ROAD_VEHICLE_DEPOT;
2207 td->build_date = Depot::GetByTile(tile)->build_date;
2208 break;
2209
2210 default: {
2211 td->str = (road_rt != INVALID_ROADTYPE ? _road_tile_strings[GetRoadside(tile)] : STR_LAI_ROAD_DESCRIPTION_TRAMWAY);
2212 break;
2213 }
2214 }
2215
2216 /* Now we have to discover, if the tile has only one owner or many:
2217 * - Find a first_owner of the tile. (Currently road or tram must be present, but this will break when the third type becomes available)
2218 * - Compare the found owner with the other owners, and test if they differ.
2219 * Note: If road exists it will be the first_owner.
2220 */
2221 Owner first_owner = (road_owner == INVALID_OWNER ? tram_owner : road_owner);
2222 bool mixed_owners = (tram_owner != INVALID_OWNER && tram_owner != first_owner) || (rail_owner != INVALID_OWNER && rail_owner != first_owner);
2223
2224 if (mixed_owners) {
2225 /* Multiple owners */
2226 td->owner_type[0] = (rail_owner == INVALID_OWNER ? STR_NULL : STR_LAND_AREA_INFORMATION_RAIL_OWNER);
2227 td->owner[0] = rail_owner;
2228 td->owner_type[1] = (road_owner == INVALID_OWNER ? STR_NULL : STR_LAND_AREA_INFORMATION_ROAD_OWNER);
2229 td->owner[1] = road_owner;
2230 td->owner_type[2] = (tram_owner == INVALID_OWNER ? STR_NULL : STR_LAND_AREA_INFORMATION_TRAM_OWNER);
2231 td->owner[2] = tram_owner;
2232 } else {
2233 /* One to rule them all */
2234 td->owner[0] = first_owner;
2235 }
2236 }
2237
2242 static const byte _roadveh_enter_depot_dir[4] = {
2243 TRACKDIR_X_SW, TRACKDIR_Y_NW, TRACKDIR_X_NE, TRACKDIR_Y_SE
2244 };
2245
2246 static VehicleEnterTileStatus VehicleEnter_Road(Vehicle *v, TileIndex tile, int, int)
2247 {
2248 switch (GetRoadTileType(tile)) {
2249 case ROAD_TILE_DEPOT: {
2250 if (v->type != VEH_ROAD) break;
2251
2252 RoadVehicle *rv = RoadVehicle::From(v);
2253 if (rv->frame == RVC_DEPOT_STOP_FRAME &&
2254 _roadveh_enter_depot_dir[GetRoadDepotDirection(tile)] == rv->state) {
2255 rv->state = RVSB_IN_DEPOT;
2256 rv->vehstatus |= VS_HIDDEN;
2257 rv->direction = ReverseDir(rv->direction);
2258 if (rv->Next() == nullptr) VehicleEnterDepot(rv->First());
2259 rv->tile = tile;
2260
2261 InvalidateWindowData(WC_VEHICLE_DEPOT, rv->tile);
2262 return VETSB_ENTERED_WORMHOLE;
2263 }
2264 break;
2265 }
2266
2267 default: break;
2268 }
2269 return VETSB_CONTINUE;
2270 }
2271
2272
2273 static void ChangeTileOwner_Road(TileIndex tile, Owner old_owner, Owner new_owner)
2274 {
2275 if (IsRoadDepot(tile)) {
2276 if (GetTileOwner(tile) == old_owner) {
2277 if (new_owner == INVALID_OWNER) {
2278 Command<CMD_LANDSCAPE_CLEAR>::Do(DC_EXEC | DC_BANKRUPT, tile);
2279 } else {
2280 /* A road depot has two road bits. No need to dirty windows here, we'll redraw the whole screen anyway. */
2281 RoadType rt = GetRoadTypeRoad(tile);
2282 if (rt == INVALID_ROADTYPE) rt = GetRoadTypeTram(tile);
2283 Company::Get(old_owner)->infrastructure.road[rt] -= 2;
2284 Company::Get(new_owner)->infrastructure.road[rt] += 2;
2285
2286 SetTileOwner(tile, new_owner);
2287 for (RoadTramType rtt : _roadtramtypes) {
2288 if (GetRoadOwner(tile, rtt) == old_owner) {
2289 SetRoadOwner(tile, rtt, new_owner);
2290 }
2291 }
2292 }
2293 }
2294 return;
2295 }
2296
2297 for (RoadTramType rtt : _roadtramtypes) {
2298 /* Update all roadtypes, no matter if they are present */
2299 if (GetRoadOwner(tile, rtt) == old_owner) {
2300 RoadType rt = GetRoadType(tile, rtt);
2301 if (rt != INVALID_ROADTYPE) {
2302 /* A level crossing has two road bits. No need to dirty windows here, we'll redraw the whole screen anyway. */
2303 uint num_bits = IsLevelCrossing(tile) ? 2 : CountBits(GetRoadBits(tile, rtt));
2304 Company::Get(old_owner)->infrastructure.road[rt] -= num_bits;
2305 if (new_owner != INVALID_OWNER) Company::Get(new_owner)->infrastructure.road[rt] += num_bits;
2306 }
2307
2308 SetRoadOwner(tile, rtt, new_owner == INVALID_OWNER ? OWNER_NONE : new_owner);
2309 }
2310 }
2311
2312 if (IsLevelCrossing(tile)) {
2313 if (GetTileOwner(tile) == old_owner) {
2314 if (new_owner == INVALID_OWNER) {
2315 Command<CMD_REMOVE_SINGLE_RAIL>::Do(DC_EXEC | DC_BANKRUPT, tile, GetCrossingRailTrack(tile));
2316 } else {
2317 /* Update infrastructure counts. No need to dirty windows here, we'll redraw the whole screen anyway. */
2318 Company::Get(old_owner)->infrastructure.rail[GetRailType(tile)] -= LEVELCROSSING_TRACKBIT_FACTOR;
2319 Company::Get(new_owner)->infrastructure.rail[GetRailType(tile)] += LEVELCROSSING_TRACKBIT_FACTOR;
2320
2321 SetTileOwner(tile, new_owner);
2322 }
2323 }
2324 }
2325 }
2326
2327 static CommandCost TerraformTile_Road(TileIndex tile, DoCommandFlag flags, int z_new, Slope tileh_new)
2328 {
2329 if (_settings_game.construction.build_on_slopes && AutoslopeEnabled()) {
2330 switch (GetRoadTileType(tile)) {
2331 case ROAD_TILE_CROSSING:
2332 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]);
2333 break;
2334
2335 case ROAD_TILE_DEPOT:
2336 if (AutoslopeCheckForEntranceEdge(tile, z_new, tileh_new, GetRoadDepotDirection(tile))) return CommandCost(EXPENSES_CONSTRUCTION, _price[PR_BUILD_FOUNDATION]);
2337 break;
2338
2339 case ROAD_TILE_NORMAL: {
2340 RoadBits bits = GetAllRoadBits(tile);
2341 RoadBits bits_copy = bits;
2342 /* Check if the slope-road_bits combination is valid at all, i.e. it is safe to call GetRoadFoundation(). */
2343 if (CheckRoadSlope(tileh_new, &bits_copy, ROAD_NONE, ROAD_NONE).Succeeded()) {
2344 /* CheckRoadSlope() sometimes changes the road_bits, if it does not agree with them. */
2345 if (bits == bits_copy) {
2346 int z_old;
2347 Slope tileh_old = GetTileSlope(tile, &z_old);
2348
2349 /* Get the slope on top of the foundation */
2350 z_old += ApplyFoundationToSlope(GetRoadFoundation(tileh_old, bits), &tileh_old);
2351 z_new += ApplyFoundationToSlope(GetRoadFoundation(tileh_new, bits), &tileh_new);
2352
2353 /* The surface slope must not be changed */
2354 if ((z_old == z_new) && (tileh_old == tileh_new)) return CommandCost(EXPENSES_CONSTRUCTION, _price[PR_BUILD_FOUNDATION]);
2355 }
2356 }
2357 break;
2358 }
2359
2360 default: NOT_REACHED();
2361 }
2362 }
2363
2364 return Command<CMD_LANDSCAPE_CLEAR>::Do(flags, tile);
2365 }
2366
2368 static Vehicle *UpdateRoadVehPowerProc(Vehicle *v, void *data)
2369 {
2370 if (v->type != VEH_ROAD) return nullptr;
2371
2372 RoadVehicleList *affected_rvs = static_cast<RoadVehicleList*>(data);
2373 include(*affected_rvs, RoadVehicle::From(v)->First());
2374
2375 return nullptr;
2376 }
2377
2384 static bool CanConvertUnownedRoadType(Owner owner, RoadTramType rtt)
2385 {
2386 return (owner == OWNER_NONE || (owner == OWNER_TOWN && rtt == RTT_ROAD));
2387 }
2388
2397 static void ConvertRoadTypeOwner(TileIndex tile, uint num_pieces, Owner owner, RoadType from_type, RoadType to_type)
2398 {
2399 // Scenario editor, maybe? Don't touch the owners when converting roadtypes...
2400 if (_current_company >= MAX_COMPANIES) return;
2401
2402 // We can't get a company from invalid owners but we can get ownership of roads without an owner
2403 if (owner >= MAX_COMPANIES && owner != OWNER_NONE) return;
2404
2405 Company *c;
2406
2407 switch (owner) {
2408 case OWNER_NONE:
2409 SetRoadOwner(tile, GetRoadTramType(to_type), (Owner)_current_company);
2410 UpdateCompanyRoadInfrastructure(to_type, _current_company, num_pieces);
2411 break;
2412
2413 default:
2414 c = Company::Get(owner);
2415 c->infrastructure.road[from_type] -= num_pieces;
2416 c->infrastructure.road[to_type] += num_pieces;
2417 DirtyCompanyInfrastructureWindows(c->index);
2418 break;
2419 }
2420 }
2421
2432 CommandCost CmdConvertRoad(DoCommandFlag flags, TileIndex tile, TileIndex area_start, RoadType to_type)
2433 {
2434 TileIndex area_end = tile;
2435
2436 if (!ValParamRoadType(to_type)) return CMD_ERROR;
2437 if (area_start >= Map::Size()) return CMD_ERROR;
2438
2439 RoadVehicleList affected_rvs;
2440 RoadTramType rtt = GetRoadTramType(to_type);
2441
2442 CommandCost cost(EXPENSES_CONSTRUCTION);
2443 CommandCost error = CommandCost((rtt == RTT_TRAM) ? STR_ERROR_NO_SUITABLE_TRAMWAY : STR_ERROR_NO_SUITABLE_ROAD); // by default, there is no road to convert.
2444 bool found_convertible_road = false; // whether we actually did convert any road/tram (see bug #7633)
2445
2446 std::unique_ptr<TileIterator> iter = std::make_unique<OrthogonalTileIterator>(area_start, area_end);
2447 for (; (tile = *iter) != INVALID_TILE; ++(*iter)) {
2448 /* Is road present on tile? */
2449 if (!MayHaveRoad(tile)) continue;
2450
2451 /* Converting to the same subtype? */
2452 RoadType from_type = GetRoadType(tile, rtt);
2453 if (from_type == INVALID_ROADTYPE || from_type == to_type) continue;
2454
2455 /* Check if there is any infrastructure on tile */
2456 TileType tt = GetTileType(tile);
2457 switch (tt) {
2458 case MP_STATION:
2459 if (!IsRoadStop(tile)) continue;
2460 break;
2461 case MP_ROAD:
2462 if (IsLevelCrossing(tile) && RoadNoLevelCrossing(to_type)) {
2463 error.MakeError(STR_ERROR_CROSSING_DISALLOWED_ROAD);
2464 continue;
2465 }
2466 break;
2467 case MP_TUNNELBRIDGE:
2468 if (GetTunnelBridgeTransportType(tile) != TRANSPORT_ROAD) continue;
2469 break;
2470 default: continue;
2471 }
2472
2473 /* Trying to convert other's road */
2474 Owner owner = GetRoadOwner(tile, rtt);
2475 if (!CanConvertUnownedRoadType(owner, rtt)) {
2476 CommandCost ret = CheckOwnership(owner, tile);
2477 if (ret.Failed()) {
2478 error = ret;
2479 continue;
2480 }
2481 }
2482
2483 /* Base the ability to replace town roads and bridges on the town's
2484 * acceptance of destructive actions. */
2485 if (owner == OWNER_TOWN) {
2486 Town *t = ClosestTownFromTile(tile, _settings_game.economy.dist_local_authority);
2487 CommandCost ret = CheckforTownRating(DC_NONE, t, tt == MP_TUNNELBRIDGE ? TUNNELBRIDGE_REMOVE : ROAD_REMOVE);
2488 if (ret.Failed()) {
2489 error = ret;
2490 continue;
2491 }
2492 }
2493
2494 /* Vehicle on the tile when not converting normal <-> powered
2495 * Tunnels and bridges have special check later */
2496 if (tt != MP_TUNNELBRIDGE) {
2497 if (!HasPowerOnRoad(from_type, to_type)) {
2498 CommandCost ret = EnsureNoVehicleOnGround(tile);
2499 if (ret.Failed()) {
2500 error = ret;
2501 continue;
2502 }
2503
2504 if (rtt == RTT_ROAD && owner == OWNER_TOWN) {
2505 SetDParamsForOwnedBy(OWNER_TOWN, tile);
2506 error.MakeError(STR_ERROR_OWNED_BY);
2507 continue;
2508 }
2509 }
2510
2511 uint num_pieces = CountBits(GetAnyRoadBits(tile, rtt));
2512 if (tt == MP_STATION && IsBayRoadStopTile(tile)) {
2513 num_pieces *= ROAD_STOP_TRACKBIT_FACTOR;
2514 } else if (tt == MP_ROAD && IsRoadDepot(tile)) {
2515 num_pieces *= ROAD_DEPOT_TRACKBIT_FACTOR;
2516 }
2517
2518 found_convertible_road = true;
2519 cost.AddCost(num_pieces * RoadConvertCost(from_type, to_type));
2520
2521 if (flags & DC_EXEC) { // we can safely convert, too
2522 /* Call ConvertRoadTypeOwner() to update the company infrastructure counters. */
2523 if (owner == _current_company) {
2524 ConvertRoadTypeOwner(tile, num_pieces, owner, from_type, to_type);
2525 }
2526
2527 /* Perform the conversion */
2528 SetRoadType(tile, rtt, to_type);
2529 MarkTileDirtyByTile(tile);
2530
2531 /* update power of train on this tile */
2532 FindVehicleOnPos(tile, &affected_rvs, &UpdateRoadVehPowerProc);
2533
2534 if (IsRoadDepotTile(tile)) {
2535 /* Update build vehicle window related to this depot */
2536 InvalidateWindowData(WC_VEHICLE_DEPOT, tile);
2537 InvalidateWindowData(WC_BUILD_VEHICLE, tile);
2538 }
2539 }
2540 } else {
2541 TileIndex endtile = GetOtherTunnelBridgeEnd(tile);
2542
2543 /* If both ends of tunnel/bridge are in the range, do not try to convert twice -
2544 * it would cause assert because of different test and exec runs */
2545 if (endtile < tile) {
2546 if (OrthogonalTileArea(area_start, area_end).Contains(endtile)) continue;
2547 }
2548
2549 /* When not converting rail <-> el. rail, any vehicle cannot be in tunnel/bridge */
2550 if (!HasPowerOnRoad(from_type, to_type)) {
2551 CommandCost ret = TunnelBridgeIsFree(tile, endtile);
2552 if (ret.Failed()) {
2553 error = ret;
2554 continue;
2555 }
2556
2557 if (rtt == RTT_ROAD && owner == OWNER_TOWN) {
2558 SetDParamsForOwnedBy(OWNER_TOWN, tile);
2559 error.MakeError(STR_ERROR_OWNED_BY);
2560 continue;
2561 }
2562 }
2563
2564 /* There are 2 pieces on *every* tile of the bridge or tunnel */
2565 uint num_pieces = (GetTunnelBridgeLength(tile, endtile) + 2) * 2;
2566 found_convertible_road = true;
2567 cost.AddCost(num_pieces * RoadConvertCost(from_type, to_type));
2568
2569 if (flags & DC_EXEC) {
2570 /* Update the company infrastructure counters. */
2571 if (owner == _current_company) {
2572 /* Each piece should be counted TUNNELBRIDGE_TRACKBIT_FACTOR times
2573 * for the infrastructure counters (cause of #8297). */
2574 ConvertRoadTypeOwner(tile, num_pieces * TUNNELBRIDGE_TRACKBIT_FACTOR, owner, from_type, to_type);
2575 SetTunnelBridgeOwner(tile, endtile, _current_company);
2576 }
2577
2578 /* Perform the conversion */
2579 SetRoadType(tile, rtt, to_type);
2580 SetRoadType(endtile, rtt, to_type);
2581
2582 FindVehicleOnPos(tile, &affected_rvs, &UpdateRoadVehPowerProc);
2583 FindVehicleOnPos(endtile, &affected_rvs, &UpdateRoadVehPowerProc);
2584
2585 if (IsBridge(tile)) {
2586 MarkBridgeDirty(tile);
2587 } else {
2588 MarkTileDirtyByTile(tile);
2589 MarkTileDirtyByTile(endtile);
2590 }
2591 }
2592 }
2593 }
2594
2595 if (flags & DC_EXEC) {
2596 /* Roadtype changed, update roadvehicles as when entering different track */
2597 for (RoadVehicle *v : affected_rvs) {
2598 v->CargoChanged();
2599 }
2600 }
2601
2602 return found_convertible_road ? cost : error;
2603 }
2604
2605
2607 extern const TileTypeProcs _tile_type_road_procs = {
2608 DrawTile_Road, // draw_tile_proc
2609 GetSlopePixelZ_Road, // get_slope_z_proc
2610 ClearTile_Road, // clear_tile_proc
2611 nullptr, // add_accepted_cargo_proc
2612 GetTileDesc_Road, // get_tile_desc_proc
2613 GetTileTrackStatus_Road, // get_tile_track_status_proc
2614 ClickTile_Road, // click_tile_proc
2615 nullptr, // animate_tile_proc
2616 TileLoop_Road, // tile_loop_proc
2617 ChangeTileOwner_Road, // change_tile_owner_proc
2618 nullptr, // add_produced_cargo_proc
2619 VehicleEnter_Road, // vehicle_enter_tile_proc
2620 GetFoundation_Road, // get_foundation_proc
2621 TerraformTile_Road, // terraform_tile_proc
2622 };
RoadTypeInfo::flags
RoadTypeFlags flags
Bit mask of road type flags.
Definition: road.h:127
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:1604
RoadVehicle
Buses, trucks and trams belong to this class.
Definition: roadveh.h:106
TileY
static debug_inline uint TileY(TileIndex tile)
Get the Y component of a tile.
Definition: map_func.h:437
TileInfo::z
int z
Height.
Definition: tile_cmd.h:48
ROTSG_ONEWAY
@ ROTSG_ONEWAY
Optional: One-way indicator images.
Definition: road.h:71
DIAGDIR_SE
@ DIAGDIR_SE
Southeast.
Definition: direction_type.h:76
SLOPE_SE
@ SLOPE_SE
south and east corner are raised
Definition: slope_type.h:57
tunnelbridge.h
TROPICZONE_DESERT
@ TROPICZONE_DESERT
Tile is desert.
Definition: tile_type.h:78
RoadTypeInfo
Definition: road.h:78
RoadVehicle::state
byte state
Definition: roadveh.h:108
ROTSG_GROUND
@ ROTSG_GROUND
Required: Main group of ground images.
Definition: road.h:62
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:3200
ReverseDir
Direction ReverseDir(Direction d)
Return the reverse of a direction.
Definition: direction_func.h:54
TO_CATENARY
@ TO_CATENARY
catenary
Definition: transparency.h:30
sound_func.h
StartRoadWorks
void StartRoadWorks(Tile t)
Start road works on a tile.
Definition: road_map.h:535
AXIS_Y
@ AXIS_Y
The y axis.
Definition: direction_type.h:118
TRACK_BIT_NONE
@ TRACK_BIT_NONE
No track.
Definition: track_type.h:36
ROADTYPE_END
@ ROADTYPE_END
Used for iterations.
Definition: road_type.h:29
Cheats::magic_bulldozer
Cheat magic_bulldozer
dynamite industries, objects
Definition: cheat_type.h:27
SetBit
constexpr T SetBit(T &x, const uint8_t y)
Set a bit in a variable.
Definition: bitmath_func.hpp:121
Pool::PoolItem<&_company_pool >::Get
static Titem * Get(size_t index)
Returns Titem with given index.
Definition: pool_type.hpp:335
GetDisallowedRoadDirections
DisallowedRoadDirections GetDisallowedRoadDirections(Tile t)
Gets the disallowed directions.
Definition: road_map.h:301
TO_HOUSES
@ TO_HOUSES
town buildings
Definition: transparency.h:25
_original_roadtypes
static const RoadTypeInfo _original_roadtypes[]
Global Roadtype definition.
Definition: roadtypes.h:19
GetCrossingRailTrack
Track GetCrossingRailTrack(Tile tile)
Get the rail track of a level crossing.
Definition: road_map.h:358
GetTileMaxZ
int GetTileMaxZ(TileIndex t)
Get top height of the tile inside the map.
Definition: tile_map.cpp:141
TerminateRoadWorks
void TerminateRoadWorks(Tile t)
Terminate road works on a tile.
Definition: road_map.h:551
RoadTypeInfo::build_y_road
SpriteID build_y_road
button for building single rail in Y direction
Definition: road.h:86
train.h
command_func.h
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:644
GetTunnelBridgeLength
uint GetTunnelBridgeLength(TileIndex begin, TileIndex end)
Calculates the length of a tunnel or a bridge (without end tiles)
Definition: tunnelbridge.h:25
Town::road_build_months
byte road_build_months
fund road reconstruction in action?
Definition: town.h:91
IsRoadOwner
bool IsRoadOwner(Tile t, RoadTramType rtt, Owner o)
Check if a specific road type is owned by an owner.
Definition: road_map.h:268
UpdateRoadVehPowerProc
static Vehicle * UpdateRoadVehPowerProc(Vehicle *v, void *data)
Update power of road vehicle under which is the roadtype being converted.
Definition: road_cmd.cpp:2368
Pool::PoolItem<&_company_pool >::GetIfValid
static Titem * GetIfValid(size_t index)
Returns Titem with given index.
Definition: pool_type.hpp:346
road_land.h
CMD_ERROR
static const CommandCost CMD_ERROR
Define a default return value for a failed command.
Definition: command_func.h:28
RoadTypeInfo::introduction_date
TimerGameCalendar::Date introduction_date
Introduction date.
Definition: road.h:166
FlatteningFoundation
Foundation FlatteningFoundation(Slope s)
Returns the foundation needed to flatten a slope.
Definition: slope_func.h:369
CanBuildDepotByTileh
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:27
GetRailTypeInfo
const RailTypeInfo * GetRailTypeInfo(RailType railtype)
Returns a pointer to the Railtype information for a given railtype.
Definition: rail.h:307
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:3744
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:43
ROAD_TILE_CROSSING
@ ROAD_TILE_CROSSING
Level crossing.
Definition: road_map.h:24
GameCreationSettings::landscape
byte landscape
the landscape we're currently in
Definition: settings_type.h:356
TileDesc::railtype
StringID railtype
Type of rail on the tile.
Definition: tile_cmd.h:64
RoadTypeInfo::introduces_roadtypes
RoadTypes introduces_roadtypes
Bitmask of which other roadtypes are introduced when this roadtype is introduced.
Definition: road.h:177
company_base.h
SpecializedVehicle::Next
T * Next() const
Get next vehicle in the chain.
Definition: vehicle_base.h:1116
tunnelbridge_map.h
timer_game_calendar.h
TileDesc::owner
Owner owner[4]
Name of the owner(s)
Definition: tile_cmd.h:55
RoadTypeInfo::sorting_order
byte sorting_order
The sorting order of this roadtype for the toolbar dropdown.
Definition: road.h:182
SND_21_ROAD_WORKS
@ SND_21_ROAD_WORKS
31 == 0x1F Road reconstruction animation
Definition: sound_type.h:70
Axis
Axis
Allow incrementing of DiagDirDiff variables.
Definition: direction_type.h:116
SLOPE_NW
@ SLOPE_NW
north and west corner are raised
Definition: slope_type.h:55
company_gui.h
LEVELCROSSING_TRACKBIT_FACTOR
static const uint LEVELCROSSING_TRACKBIT_FACTOR
Multiplier for how many regular track bits a level crossing counts.
Definition: economy_type.h:243
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:1567
StringID
uint32_t StringID
Numeric value that represents a string, independent of the selected language.
Definition: strings_type.h:16
GetRoadside
Roadside GetRoadside(Tile tile)
Get the decorations of a road.
Definition: road_map.h:493
RTSG_CROSSING
@ RTSG_CROSSING
Level crossing overlay images.
Definition: rail.h:57
TileDesc::road_speed
uint16_t road_speed
Speed limit of road (bridges and track)
Definition: tile_cmd.h:67
ROTFB_NONE
@ ROTFB_NONE
All flags cleared.
Definition: road.h:47
MarkDirtyAdjacentLevelCrossingTiles
void MarkDirtyAdjacentLevelCrossingTiles(TileIndex tile, Axis road_axis)
Find adjacent level crossing tiles in this multi-track crossing and mark them dirty.
Definition: train_cmd.cpp:1802
SetRoadType
void SetRoadType(Tile t, RoadTramType rtt, RoadType rt)
Set the road type of a tile.
Definition: road_map.h:604
road_func.h
Vehicle::vehstatus
byte vehstatus
Status.
Definition: vehicle_base.h:348
GetCrossingRailBits
TrackBits GetCrossingRailBits(Tile tile)
Get the rail track bits of a level crossing.
Definition: road_map.h:368
DIAGDIR_END
@ DIAGDIR_END
Used for iterations.
Definition: direction_type.h:79
AutoslopeEnabled
bool AutoslopeEnabled()
Tests if autoslope is enabled for _current_company.
Definition: autoslope.h:44
IsTransparencySet
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
Pool::PoolItem::index
Tindex index
Index of this pool item.
Definition: pool_type.hpp:234
DrawRoadCatenary
void DrawRoadCatenary(const TileInfo *ti)
Draws the catenary for the given tile.
Definition: road_cmd.cpp:1457
TrainOnCrossing
bool TrainOnCrossing(TileIndex tile)
Check if a level crossing tile has a train on it.
Definition: train_cmd.cpp:1680
DiagDirToAxis
Axis DiagDirToAxis(DiagDirection d)
Convert a DiagDirection to the axis.
Definition: direction_func.h:214
RoadTypeInfo::build_depot
SpriteID build_depot
button for building depots
Definition: road.h:88
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
SLOPE_ELEVATED
@ SLOPE_ELEVATED
bit mask containing all 'simple' slopes
Definition: slope_type.h:61
SetRoadDepotExitDirection
void SetRoadDepotExitDirection(Tile tile, DiagDirection dir)
Sets the exit direction of a road depot.
Definition: road_map.h:680
GetTileZ
int GetTileZ(TileIndex tile)
Get bottom height of the tile.
Definition: tile_map.cpp:121
INVALID_TILE
constexpr TileIndex INVALID_TILE
The very nice invalid tile marker.
Definition: tile_type.h:95
RoadTileType
RoadTileType
The different types of road tiles.
Definition: road_map.h:22
RailTypeInfo
This struct contains all the info that is needed to draw and construct tracks.
Definition: rail.h:127
VETSB_CONTINUE
@ VETSB_CONTINUE
Bit sets of the above specified bits.
Definition: tile_cmd.h:35
MP_RAILWAY
@ MP_RAILWAY
A railway.
Definition: tile_type.h:49
ROADSIDE_BARREN
@ ROADSIDE_BARREN
Road on barren land.
Definition: road_map.h:478
BB_HEIGHT_UNDER_BRIDGE
static const uint BB_HEIGHT_UNDER_BRIDGE
Some values for constructing bounding boxes (BB).
Definition: viewport_type.h:84
IsSteepSlope
static constexpr bool IsSteepSlope(Slope s)
Checks if a slope is steep.
Definition: slope_func.h:36
GetPartialPixelZ
uint GetPartialPixelZ(int x, int y, Slope corners)
Determines height at given coordinate of a slope.
Definition: landscape.cpp:224
TILE_SIZE
static const uint TILE_SIZE
Tile size in world coordinates.
Definition: tile_type.h:15
DrawBridgeMiddle
void DrawBridgeMiddle(const TileInfo *ti)
Draw the middle bits of a bridge.
Definition: tunnelbridge_cmd.cpp:1544
IsNormalRoad
static debug_inline bool IsNormalRoad(Tile t)
Return whether a tile is a normal road.
Definition: road_map.h:64
IsLevelCrossingTile
bool IsLevelCrossingTile(Tile t)
Return whether a tile is a level crossing tile.
Definition: road_map.h:95
HasTownOwnedRoad
bool HasTownOwnedRoad(Tile t)
Checks if given tile has town owned road.
Definition: road_map.h:280
DrawRoadDepotSprite
void DrawRoadDepotSprite(int x, int y, DiagDirection dir, RoadType rt)
Draw the road depot sprite.
Definition: road_cmd.cpp:1866
IsLevelCrossing
bool IsLevelCrossing(Tile t)
Return whether a tile is a level crossing.
Definition: road_map.h:85
_settings_client
ClientSettings _settings_client
The current settings for this game.
Definition: settings.cpp:54
DrawRailTileSeqInGUI
void DrawRailTileSeqInGUI(int x, int y, const DrawTileSprites *dts, int32_t total_offset, uint32_t newgrf_offset, PaletteID default_palette)
Draw tile sprite sequence in GUI with railroad specifics.
Definition: sprite.h:99
VehicleEnterDepot
void VehicleEnterDepot(Vehicle *v)
Vehicle entirely entered the depot, update its status, orders, vehicle windows, service it,...
Definition: vehicle.cpp:1534
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:374
GetRoadStopDir
DiagDirection GetRoadStopDir(Tile t)
Gets the direction the road stop entrance points towards.
Definition: station_map.h:258
newgrf_debug.h
town.h
TileInfo::y
int y
Y position of the tile in unit coordinates.
Definition: tile_cmd.h:45
StrongType::Typedef< uint32_t, struct TileIndexTag, StrongType::Compare, StrongType::Integer, StrongType::Compatible< int32_t >, StrongType::Compatible< int64_t > >
effectvehicle_base.h
DIAGDIR_NW
@ DIAGDIR_NW
Northwest.
Definition: direction_type.h:78
Company::infrastructure
CompanyInfrastructure infrastructure
NOSAVE: Counts of company owned infrastructure.
Definition: company_base.h:129
_display_opt
byte _display_opt
What do we want to draw/do?
Definition: transparency_gui.cpp:26
CompanyInfrastructure::road
uint32_t road[ROADTYPE_END]
Count of company owned track bits for each road type.
Definition: company_base.h:33
RoadTypeInfo::tunnel
CursorID tunnel
Cursor for building a tunnel.
Definition: road.h:98
TRACKDIR_BIT_Y_NW
@ TRACKDIR_BIT_Y_NW
Track y-axis, direction north-west.
Definition: track_type.h:108
VEH_ROAD
@ VEH_ROAD
Road vehicle type.
Definition: vehicle_type.h:25
Vehicle
Vehicle data structure.
Definition: vehicle_base.h:240
RailTypeInfo::strings
struct RailTypeInfo::@26 strings
Strings associated with the rail type.
GetRailType
RailType GetRailType(Tile t)
Gets the rail type of the given tile.
Definition: rail_map.h:115
Chance16
bool Chance16(const uint a, const uint b)
Flips a coin with given probability.
Definition: random_func.hpp:131
Owner
Owner
Enum for all companies/owners.
Definition: company_type.h:18
DC_EXEC
@ DC_EXEC
execute the given command
Definition: command_type.h:371
GetSlopePixelZ
int GetSlopePixelZ(int x, int y, bool ground_vehicle)
Return world Z coordinate of a given point of a tile.
Definition: landscape.cpp:299
SubSprite
Used to only draw a part of the sprite.
Definition: gfx_type.h:225
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:3860
PaletteID
uint32_t PaletteID
The number of the palette.
Definition: gfx_type.h:18
MP_ROAD
@ MP_ROAD
A tile with road (or tram tracks)
Definition: tile_type.h:50
CommandCost::GetErrorMessage
StringID GetErrorMessage() const
Returns the error message of a command.
Definition: command_type.h:142
RoadTypeInfo::depot
CursorID depot
Cursor for building a depot.
Definition: road.h:97
TileDesc
Tile description for the 'land area information' tool.
Definition: tile_cmd.h:52
HasExactlyOneBit
constexpr bool HasExactlyOneBit(T value)
Test whether value has exactly 1 bit set.
Definition: bitmath_func.hpp:259
ROTSG_CURSORS
@ ROTSG_CURSORS
Optional: Cursor and toolbar icon images.
Definition: road.h:60
DoCommandFlag
DoCommandFlag
List of flags for a command.
Definition: command_type.h:369
TRACKDIR_Y_SE
@ TRACKDIR_Y_SE
Y-axis and direction to south-east.
Definition: track_type.h:70
INVALID_ROADTYPE
@ INVALID_ROADTYPE
flag for invalid roadtype
Definition: road_type.h:30
genworld.h
Foundation
Foundation
Enumeration for Foundations.
Definition: slope_type.h:93
KillFirstBit
constexpr T KillFirstBit(T value)
Clear the first bit in an integer.
Definition: bitmath_func.hpp:231
EnsureNoVehicleOnGround
CommandCost EnsureNoVehicleOnGround(TileIndex tile)
Ensure there is no vehicle at the ground at the given position.
Definition: vehicle.cpp:546
RoadTypeInfo::road_nwse
CursorID road_nwse
Cursor for building rail in Y direction.
Definition: road.h:95
RoadTypeInfo::road_swne
CursorID road_swne
Cursor for building rail in X direction.
Definition: road.h:94
GetCrossingRoadBits
RoadBits GetCrossingRoadBits(Tile tile)
Get the road bits of a level crossing.
Definition: road_map.h:348
TRACK_BIT_UPPER
@ TRACK_BIT_UPPER
Upper track.
Definition: track_type.h:39
CmdRemoveLongRoad
std::tuple< CommandCost, Money > CmdRemoveLongRoad(DoCommandFlag flags, TileIndex end_tile, TileIndex start_tile, RoadType rt, Axis axis, bool start_half, bool end_half)
Remove a long piece of road.
Definition: road_cmd.cpp:1081
CommandCost::Succeeded
bool Succeeded() const
Did this command succeed?
Definition: command_type.h:162
GameSettings::game_creation
GameCreationSettings game_creation
settings used during the creation of a game (map)
Definition: settings_type.h:619
effectvehicle_func.h
TRACK_BIT_RIGHT
@ TRACK_BIT_RIGHT
Right track.
Definition: track_type.h:42
CompareRoadTypes
static bool CompareRoadTypes(const RoadType &first, const RoadType &second)
Compare roadtypes based on their sorting order.
Definition: road_cmd.cpp:103
SetCrossingReservation
void SetCrossingReservation(Tile t, bool b)
Set the reservation state of the rail crossing.
Definition: road_map.h:393
DiagDirToDiagTrackBits
TrackBits DiagDirToDiagTrackBits(DiagDirection diagdir)
Maps a (4-way) direction to the diagonal track bits incidating with that diagdir.
Definition: track_func.h:524
GetTownRadiusGroup
HouseZonesBits GetTownRadiusGroup(const Town *t, TileIndex tile)
Returns the bit corresponding to the town zone of the specified tile.
Definition: town_cmd.cpp:2386
TileInfo::tileh
Slope tileh
Slope of the tile.
Definition: tile_cmd.h:46
GetTownRoadType
RoadType GetTownRoadType()
Get the road type that towns should build at this current moment.
Definition: town_cmd.cpp:912
GetTileType
static debug_inline TileType GetTileType(Tile tile)
Get the tiletype of a given tile.
Definition: tile_map.h:96
ROAD_X
@ ROAD_X
Full road along the x-axis (south-west + north-east)
Definition: road_type.h:58
TO_TREES
@ TO_TREES
trees
Definition: transparency.h:24
HasPowerOnRoad
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:242
SoundSettings::ambient
bool ambient
Play ambient, industry and town sounds.
Definition: settings_type.h:244
ROTF_CATENARY
@ ROTF_CATENARY
Bit number for adding catenary.
Definition: road.h:38
GetRoadDepotDirection
DiagDirection GetRoadDepotDirection(Tile t)
Get the direction of the exit of a road depot.
Definition: road_map.h:565
IsInvisibilitySet
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
RoadBuildCost
Money RoadBuildCost(RoadType roadtype)
Returns the cost of building the specified roadtype.
Definition: road.h:252
DrawTileSprites::ground
PalSpriteID ground
Palette and sprite for the ground.
Definition: sprite.h:59
include
bool include(Container &container, typename Container::const_reference &item)
Helper function to append an item to a container if it is not already contained.
Definition: container_func.hpp:24
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:1372
TileDesc::build_date
TimerGameCalendar::Date build_date
Date of construction of tile contents.
Definition: tile_cmd.h:57
RailTypeInfo::name
StringID name
Name of this rail type.
Definition: rail.h:176
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:101
RoadVehiclesAreBuilt
bool RoadVehiclesAreBuilt()
Verify whether a road vehicle is available.
Definition: road_cmd.cpp:179
ROAD_TILE_NORMAL
@ ROAD_TILE_NORMAL
Normal road.
Definition: road_map.h:23
ROAD_Y
@ ROAD_Y
Full road along the y-axis (north-west + south-east)
Definition: road_type.h:59
Slope
Slope
Enumeration for the slope-type.
Definition: slope_type.h:48
ROADSIDE_STREET_LIGHTS
@ ROADSIDE_STREET_LIGHTS
Road with street lights on paved sidewalks.
Definition: road_map.h:481
ROADTYPES_NONE
@ ROADTYPES_NONE
No roadtypes.
Definition: road_type.h:39
DistanceManhattan
uint DistanceManhattan(TileIndex t0, TileIndex t1)
Gets the Manhattan distance between the two given tiles.
Definition: map.cpp:159
DIAGDIR_SW
@ DIAGDIR_SW
Southwest.
Definition: direction_type.h:77
VS_HIDDEN
@ VS_HIDDEN
Vehicle is not visible.
Definition: vehicle_base.h:33
depot_base.h
landscape_cmd.h
RoadTypeInfo::powered_roadtypes
RoadTypes powered_roadtypes
bitmask to the OTHER roadtypes on which a vehicle of THIS roadtype generates power
Definition: road.h:122
ROAD_ALL
@ ROAD_ALL
Full 4-way crossing.
Definition: road_type.h:66
TRANSPORT_RAIL
@ TRANSPORT_RAIL
Transport by train.
Definition: transport_type.h:27
CheckOwnership
CommandCost CheckOwnership(Owner owner, TileIndex tile)
Check whether the current owner owns something.
Definition: company_cmd.cpp:360
FOUNDATION_INCLINED_Y
@ FOUNDATION_INCLINED_Y
The tile has an along Y-axis inclined foundation.
Definition: slope_type.h:97
ToggleSnow
void ToggleSnow(Tile t)
Toggle the snow/desert state of a road tile.
Definition: road_map.h:470
RoadVehicleList
std::vector< RoadVehicle * > RoadVehicleList
Helper type for lists/vectors of road vehicles.
Definition: road_cmd.cpp:52
return_cmd_error
#define return_cmd_error(errcode)
Returns from a function with a specific StringID as error.
Definition: command_func.h:38
TrackBitsToTrackdirBits
TrackdirBits TrackBitsToTrackdirBits(TrackBits bits)
Converts TrackBits to TrackdirBits while allowing both directions.
Definition: track_func.h:319
ROAD_NE
@ ROAD_NE
North-east part.
Definition: road_type.h:57
IsBayRoadStopTile
bool IsBayRoadStopTile(Tile t)
Is tile t a bay (non-drive through) road stop station?
Definition: station_map.h:223
ROADSIDE_GRASS
@ ROADSIDE_GRASS
Road on grass.
Definition: road_map.h:479
GetAvailableMoneyForCommand
Money GetAvailableMoneyForCommand()
This functions returns the money which can be used to execute a command.
Definition: company_cmd.cpp:227
EXPENSES_CONSTRUCTION
@ EXPENSES_CONSTRUCTION
Construction costs.
Definition: economy_type.h:173
HasRoadCatenaryDrawn
bool HasRoadCatenaryDrawn(RoadType roadtype)
Test if we should draw road catenary.
Definition: road_func.h:145
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:611
IsBridge
bool IsBridge(Tile t)
Checks if this is a bridge, instead of a tunnel.
Definition: bridge_map.h:24
InitRoadTypes
void InitRoadTypes()
Resolve sprites of custom road types.
Definition: road_cmd.cpp:114
ClientSettings::sound
SoundSettings sound
sound effect settings
Definition: settings_type.h:639
SLOPE_NE
@ SLOPE_NE
north and east corner are raised
Definition: slope_type.h:58
DirtyCompanyInfrastructureWindows
void DirtyCompanyInfrastructureWindows(CompanyID company)
Redraw all windows with company infrastructure counts.
Definition: company_gui.cpp:2651
VALID_LEVEL_CROSSING_SLOPES
static const uint32_t VALID_LEVEL_CROSSING_SLOPES
Constant bitset with safe slopes for building a level crossing.
Definition: slope_type.h:86
GetSlopeMaxZ
static constexpr int GetSlopeMaxZ(Slope s)
Returns the height of the highest corner of a slope relative to TileZ (= minimal height)
Definition: slope_func.h:160
CalcClosestTownFromTile
Town * CalcClosestTownFromTile(TileIndex tile, uint threshold=UINT_MAX)
Return the town closest to the given tile within threshold.
Definition: town_cmd.cpp:3726
RoadNoLevelCrossing
bool RoadNoLevelCrossing(RoadType roadtype)
Test if road disallows level crossings.
Definition: road.h:295
RoadTypes
RoadTypes
The different roadtypes we support, but then a bitmask of them.
Definition: road_type.h:38
Vehicle::tile
TileIndex tile
Current tile index.
Definition: vehicle_base.h:260
autoslope.h
MayHaveRoad
bool MayHaveRoad(Tile t)
Test whether a tile can have road/tram types.
Definition: road_map.h:33
TileDesc::roadtype
StringID roadtype
Type of road on the tile.
Definition: tile_cmd.h:66
ResetRoadTypes
void ResetRoadTypes()
Reset all road type information to its default values.
Definition: road_cmd.cpp:67
TransportType
TransportType
Available types of transport.
Definition: transport_type.h:19
GetRailReservationTrackBits
TrackBits GetRailReservationTrackBits(Tile t)
Returns the reserved track bits of the tile.
Definition: rail_map.h:194
rail_cmd.h
_cheats
Cheats _cheats
All the cheats.
Definition: cheat.cpp:16
CommandCost::MakeError
void MakeError(StringID message, StringID extra_message=INVALID_STRING_ID)
Makes this CommandCost behave like an error command.
Definition: command_type.h:101
TRACKDIR_BIT_NONE
@ TRACKDIR_BIT_NONE
No track build.
Definition: track_type.h:99
INVALID_OWNER
@ INVALID_OWNER
An invalid owner.
Definition: company_type.h:29
RoadTypeInfo::auto_road
SpriteID auto_road
button for the autoroad construction
Definition: road.h:87
FOUNDATION_INCLINED_X
@ FOUNDATION_INCLINED_X
The tile has an along X-axis inclined foundation.
Definition: slope_type.h:96
ReverseDiagDir
DiagDirection ReverseDiagDir(DiagDirection d)
Returns the reverse direction of the given DiagDirection.
Definition: direction_func.h:118
CommandCost::Failed
bool Failed() const
Did this command fail?
Definition: command_type.h:171
EconomySettings::mod_road_rebuild
bool mod_road_rebuild
roadworks remove unnecessary RoadBits
Definition: settings_type.h:548
SetRoadside
void SetRoadside(Tile tile, Roadside s)
Set the decorations of a road.
Definition: road_map.h:503
ROADSIDE_PAVED
@ ROADSIDE_PAVED
Road with paved sidewalks.
Definition: road_map.h:480
GetNorthernBridgeEnd
TileIndex GetNorthernBridgeEnd(TileIndex t)
Finds the northern end of a bridge starting at a middle tile.
Definition: bridge_map.cpp:39
IsStraightRoad
bool IsStraightRoad(RoadBits r)
Check if we've got a straight road.
Definition: road_func.h:81
OrthogonalTileArea
Represents the covered area of e.g.
Definition: tilearea_type.h:18
AxisToDiagDir
DiagDirection AxisToDiagDir(Axis a)
Converts an Axis to a DiagDirection.
Definition: direction_func.h:232
TUNNELBRIDGE_TRACKBIT_FACTOR
static const uint TUNNELBRIDGE_TRACKBIT_FACTOR
Multiplier for how many regular track bits a tunnel/bridge counts.
Definition: economy_type.h:241
RoadTypeInfo::gui_sprites
struct RoadTypeInfo::@27 gui_sprites
struct containing the sprites for the road GUI.
TileDiffXY
TileIndexDiff TileDiffXY(int x, int y)
Calculates an offset for the given coordinate(-offset).
Definition: map_func.h:401
_settings_game
GameSettings _settings_game
Game settings of a running game or the scenario editor.
Definition: settings.cpp:55
RoadTypeInfo::alternate_labels
RoadTypeLabelList alternate_labels
Road type labels this type provides in addition to the main label.
Definition: road.h:152
ToggleDesert
#define ToggleDesert
Toggle the snow/desert state of a road tile.
Definition: road_map.h:465
DisallowedRoadDirections
DisallowedRoadDirections
Which directions are disallowed ?
Definition: road_type.h:73
_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:2242
GameSettings::economy
EconomySettings economy
settings to change the economy
Definition: settings_type.h:628
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:49
TRACK_BIT_X
@ TRACK_BIT_X
X-axis track.
Definition: track_type.h:37
_tile_type_road_procs
const TileTypeProcs _tile_type_road_procs
Tile callback functions for road tiles.
Definition: landscape.cpp:49
CmdBuildLongRoad
CommandCost CmdBuildLongRoad(DoCommandFlag flags, TileIndex end_tile, TileIndex start_tile, RoadType rt, Axis axis, DisallowedRoadDirections drd, bool start_half, bool end_half, bool is_ai)
Build a long piece of road.
Definition: road_cmd.cpp:979
safeguards.h
IsNormalRoadTile
static debug_inline bool IsNormalRoadTile(Tile t)
Return whether a tile is a normal road tile.
Definition: road_map.h:74
HasTileRoadType
bool HasTileRoadType(Tile t, RoadTramType rtt)
Check if a tile has a road or a tram road type.
Definition: road_map.h:211
CommandCost::GetCost
Money GetCost() const
The costs as made up to this moment.
Definition: command_type.h:83
GetTileSlope
Slope GetTileSlope(TileIndex tile, int *h)
Return the slope of a given tile inside the map.
Definition: tile_map.cpp:59
IsCrossingBarred
bool IsCrossingBarred(Tile t)
Check if the level crossing is barred.
Definition: road_map.h:416
GetRoadTileType
static debug_inline RoadTileType GetRoadTileType(Tile t)
Get the type of the road tile.
Definition: road_map.h:52
SetTrackReservation
void SetTrackReservation(Tile t, TrackBits b)
Sets the reserved track bits of the tile.
Definition: rail_map.h:209
DrawTileSprites
Ground palette sprite of a tile, together with its sprite layout.
Definition: sprite.h:58
Depot::build_date
TimerGameCalendar::Date build_date
Date of construction.
Definition: depot_base.h:26
CleanUpRoadBits
RoadBits CleanUpRoadBits(const TileIndex tile, RoadBits org_rb)
Clean up unnecessary RoadBits of a planned tile.
Definition: road.cpp:47
ROADTYPE_ROAD
@ ROADTYPE_ROAD
Basic road type.
Definition: road_type.h:27
GetTileOwner
Owner GetTileOwner(Tile tile)
Returns the owner of a tile.
Definition: tile_map.h:178
HasGrfMiscBit
bool HasGrfMiscBit(GrfMiscBit bit)
Check for grf miscellaneous bits.
Definition: newgrf.h:189
UpdateAdjacentLevelCrossingTilesOnLevelCrossingRemoval
void UpdateAdjacentLevelCrossingTilesOnLevelCrossingRemoval(TileIndex tile, Axis road_axis)
Update adjacent level crossing tiles in this multi-track crossing, due to removal of a level crossing...
Definition: train_cmd.cpp:1819
INVALID_DIAGDIR
@ INVALID_DIAGDIR
Flag for an invalid DiagDirection.
Definition: direction_type.h:80
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:1007
MP_TUNNELBRIDGE
@ MP_TUNNELBRIDGE
Tunnel entry/exit and bridge heads.
Definition: tile_type.h:57
DrawRoadTileStruct
Definition: road_cmd.cpp:1292
road_internal.h
road.h
SetDParamsForOwnedBy
void SetDParamsForOwnedBy(Owner owner, TileIndex tile)
Set the right DParams for STR_ERROR_OWNED_BY.
Definition: company_cmd.cpp:331
TRACKDIR_X_NE
@ TRACKDIR_X_NE
X-axis and direction to north-east.
Definition: track_type.h:69
HasRoadWorks
bool HasRoadWorks(Tile t)
Check if a tile has road works.
Definition: road_map.h:513
FOUNDATION_NONE
@ FOUNDATION_NONE
The tile has no foundation, the slope remains unchanged.
Definition: slope_type.h:94
RoadTypeInfo::name
StringID name
Name of this rail type.
Definition: road.h:103
ValParamRoadType
bool ValParamRoadType(RoadType roadtype)
Validate functions for rail building.
Definition: road.cpp:153
DiagDirToRoadBits
RoadBits DiagDirToRoadBits(DiagDirection d)
Create the road-part which belongs to the given DiagDirection.
Definition: road_func.h:96
MarkBridgeDirty
void MarkBridgeDirty(TileIndex begin, TileIndex end, DiagDirection direction, uint bridge_height)
Mark bridge tiles dirty.
Definition: tunnelbridge_cmd.cpp:67
DiagDirection
DiagDirection
Enumeration for diagonal directions.
Definition: direction_type.h:73
GetRailTileType
static debug_inline RailTileType GetRailTileType(Tile t)
Returns the RailTileType (normal with or without signals, waypoint or depot).
Definition: rail_map.h:36
SetTunnelBridgeOwner
void SetTunnelBridgeOwner(TileIndex begin, TileIndex end, Owner owner)
Sets the ownership of the bridge/tunnel ramps.
Definition: tunnelbridge.h:41
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:379
_loaded_newgrf_features
GRFLoadedFeatures _loaded_newgrf_features
Indicates which are the newgrf features currently loaded ingame.
Definition: newgrf.cpp:82
TRACK_BIT_ALL
@ TRACK_BIT_ALL
All possible tracks.
Definition: track_type.h:50
roadtypes.h
CombineTrackStatus
TrackStatus CombineTrackStatus(TrackdirBits trackdirbits, TrackdirBits red_signals)
Builds a TrackStatus.
Definition: track_func.h:388
RoadTypeInfo::build_tunnel
SpriteID build_tunnel
button for building a tunnel
Definition: road.h:89
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:41
ROADSIDE_TREES
@ ROADSIDE_TREES
Road with trees on paved sidewalks.
Definition: road_map.h:483
CommandCost::AddCost
void AddCost(const Money &cost)
Adds the given cost to the cost of the command.
Definition: command_type.h:63
TRACK_BIT_LOWER
@ TRACK_BIT_LOWER
Lower track.
Definition: track_type.h:40
GUISettings::show_track_reservation
bool show_track_reservation
highlight reserved tracks.
Definition: settings_type.h:185
IsValidAxis
bool IsValidAxis(Axis d)
Checks if an integer value is a valid Axis.
Definition: direction_func.h:43
stdafx.h
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:262
DO_FULL_DETAIL
@ DO_FULL_DETAIL
Also draw details of track and roads.
Definition: openttd.h:50
DrawRoadOverlays
void DrawRoadOverlays(const TileInfo *ti, PaletteID pal, const RoadTypeInfo *road_rti, const RoadTypeInfo *tram_rti, uint road_offset, uint tram_offset, bool draw_underlay)
Draw road underlay and overlay sprites.
Definition: road_cmd.cpp:1521
TileTypeProcs
Set of callback functions for performing tile operations of a given tile type.
Definition: tile_cmd.h:158
ConstructionSettings::extra_dynamite
bool extra_dynamite
extra dynamite
Definition: settings_type.h:377
RATING_ROAD_MINIMUM
@ RATING_ROAD_MINIMUM
minimum rating after removing town owned road
Definition: town_type.h:66
SetTileOwner
void SetTileOwner(Tile tile, Owner owner)
Sets the owner of a tile.
Definition: tile_map.h:198
DRD_NONE
@ DRD_NONE
None of the directions are disallowed.
Definition: road_type.h:74
SpriteID
uint32_t SpriteID
The number of a sprite, without mapping bits and colourtables.
Definition: gfx_type.h:17
CountBits
constexpr uint CountBits(T value)
Counts the number of set bits in a variable.
Definition: bitmath_func.hpp:243
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:1909
DC_BANKRUPT
@ DC_BANKRUPT
company bankrupts, skip money check, skip vehicle on tile check in some cases
Definition: command_type.h:377
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:2384
viewport_func.h
DRD_SOUTHBOUND
@ DRD_SOUTHBOUND
All southbound traffic is disallowed.
Definition: road_type.h:75
RoadClearCost
Money RoadClearCost(RoadType roadtype)
Returns the cost of clearing the specified roadtype.
Definition: road.h:263
RoadTypeInfo::cursor
struct RoadTypeInfo::@28 cursor
Cursors associated with the road type.
ChangeTownRating
void ChangeTownRating(Town *t, int add, int max, DoCommandFlag flags)
Changes town rating of the current company.
Definition: town_cmd.cpp:3823
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:673
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:2397
IsValidTile
bool IsValidTile(Tile tile)
Checks if a tile is valid.
Definition: tile_map.h:161
yapf_cache.h
GetTrackBits
TrackBits GetTrackBits(Tile tile)
Gets the track bits of the given tile.
Definition: rail_map.h:136
Vehicle::direction
Direction direction
facing
Definition: vehicle_base.h:302
RailTypeInfo::max_speed
uint16_t max_speed
Maximum speed for vehicles travelling on this rail type.
Definition: rail.h:231
TileOffsByDiagDir
TileIndexDiff TileOffsByDiagDir(DiagDirection dir)
Convert a DiagDirection to a TileIndexDiff.
Definition: map_func.h:563
RailTypeInfo::single_x
SpriteID single_x
single piece of rail in X direction, without ground
Definition: rail.h:137
GetRoadTypeInfo
const RoadTypeInfo * GetRoadTypeInfo(RoadType roadtype)
Returns a pointer to the Roadtype information for a given roadtype.
Definition: road.h:227
DrawFoundation
void DrawFoundation(TileInfo *ti, Foundation f)
Draw foundation f at tile ti.
Definition: landscape.cpp:427
DrawTile_Road
static void DrawTile_Road(TileInfo *ti)
Tile callback function for rendering a road tile to the screen.
Definition: road_cmd.cpp:1695
_generating_world
bool _generating_world
Whether we are generating the map or not.
Definition: genworld.cpp:62
EconomySettings::dist_local_authority
byte dist_local_authority
distance for town local authority, default 20
Definition: settings_type.h:543
CmdBuildRoad
CommandCost CmdBuildRoad(DoCommandFlag flags, TileIndex tile, RoadBits pieces, RoadType rt, DisallowedRoadDirections toggle_drd, TownID town_id)
Build a piece of road.
Definition: road_cmd.cpp:610
DistanceSquare
uint DistanceSquare(TileIndex t0, TileIndex t1)
Gets the 'Square' distance between the two given tiles.
Definition: map.cpp:176
TileDesc::tram_speed
uint16_t tram_speed
Speed limit of tram (bridges and track)
Definition: tile_cmd.h:69
RoadTypeInfo::build_x_road
SpriteID build_x_road
button for building single rail in X direction
Definition: road.h:85
RoadTypeInfo::convert_road
SpriteID convert_road
button for converting road types
Definition: road.h:90
GetAnyRoadBits
RoadBits GetAnyRoadBits(Tile tile, RoadTramType rtt, bool straight_tunnel_bridge_entrance)
Returns the RoadBits on an arbitrary tile Special behaviour:
Definition: road_map.cpp:33
TRACKDIR_BIT_X_NE
@ TRACKDIR_BIT_X_NE
Track x-axis, direction north-east.
Definition: track_type.h:100
MakeDefaultName
void MakeDefaultName(T *obj)
Set the default name for a depot/waypoint.
Definition: town.h:245
SetDisallowedRoadDirections
void SetDisallowedRoadDirections(Tile t, DisallowedRoadDirections drd)
Sets the disallowed directions.
Definition: road_map.h:312
IsValidDiagDirection
bool IsValidDiagDirection(DiagDirection d)
Checks if an integer value is a valid DiagDirection.
Definition: direction_func.h:21
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:245
_current_company
CompanyID _current_company
Company currently doing an action.
Definition: company_cmd.cpp:50
vehicle_func.h
PALETTE_CRASH
static const PaletteID PALETTE_CRASH
Recolour sprite greying of crashed vehicles.
Definition: sprites.h:1602
strings_func.h
MakeRoadCrossing
void MakeRoadCrossing(Tile 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
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:1590
DRD_BOTH
@ DRD_BOTH
All directions are disallowed.
Definition: road_type.h:77
newgrf_roadtype.h
TRACK_BIT_LEFT
@ TRACK_BIT_LEFT
Left track.
Definition: track_type.h:41
GRFLoadedFeatures::tram
TramReplacement tram
In which way tram depots were replaced.
Definition: newgrf.h:181
CmdConvertRoad
CommandCost CmdConvertRoad(DoCommandFlag flags, TileIndex tile, TileIndex area_start, RoadType to_type)
Convert one road subtype to another.
Definition: road_cmd.cpp:2432
GetCrossingRoadAxis
Axis GetCrossingRoadAxis(Tile t)
Get the road axis of a level crossing.
Definition: road_map.h:325
WC_BUILD_VEHICLE
@ WC_BUILD_VEHICLE
Build vehicle; Window numbers:
Definition: window_type.h:383
RoadTypeInfo::label
RoadTypeLabel label
Unique 32 bit road type identifier.
Definition: road.h:147
SpecializedVehicle< RoadVehicle, Type >::From
static RoadVehicle * From(Vehicle *v)
Converts a Vehicle to SpecializedVehicle with type checking.
Definition: vehicle_base.h:1201
IsValidDisallowedRoadDirections
bool IsValidDisallowedRoadDirections(DisallowedRoadDirections drt)
Checks if a DisallowedRoadDirections is valid.
Definition: road_map.h:291
TRAMWAY_REPLACE_DEPOT_WITH_TRACK
@ TRAMWAY_REPLACE_DEPOT_WITH_TRACK
Electrified depot graphics with tram track were loaded.
Definition: newgrf.h:173
GetTilePixelSlope
Slope GetTilePixelSlope(TileIndex tile, int *h)
Return the slope of a given tile.
Definition: tile_map.h:280
TileType
TileType
The different types of tiles.
Definition: tile_type.h:47
GetHighestSlopeCorner
Corner GetHighestSlopeCorner(Slope s)
Returns the highest corner of a slope (one corner raised or a steep slope).
Definition: slope_func.h:126
Map::Size
static debug_inline uint Size()
Get the size of the map.
Definition: map_func.h:288
SetDParam
void SetDParam(size_t n, uint64_t v)
Set a string parameter v at index n in the global string parameter array.
Definition: strings.cpp:104
ROAD_TILE_DEPOT
@ ROAD_TILE_DEPOT
Depot (one entrance)
Definition: road_map.h:25
ComplementRoadBits
RoadBits ComplementRoadBits(RoadBits r)
Calculate the complement of a RoadBits value.
Definition: road_func.h:37
ConstructionSettings::build_on_slopes
bool build_on_slopes
allow building on slopes
Definition: settings_type.h:371
ROTSG_OVERLAY
@ ROTSG_OVERLAY
Optional: Images for overlaying track.
Definition: road.h:61
RoadTypeInfo::autoroad
CursorID autoroad
Cursor for autorail tool.
Definition: road.h:96
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:1503
HasAtMostOneBit
constexpr bool HasAtMostOneBit(T value)
Test whether value has at most 1 bit set.
Definition: bitmath_func.hpp:271
TRACKDIR_Y_NW
@ TRACKDIR_Y_NW
Y-axis and direction to north-west.
Definition: track_type.h:78
SLOPE_SW
@ SLOPE_SW
south and west corner are raised
Definition: slope_type.h:56
cheat_type.h
GetSlopePixelZInCorner
int GetSlopePixelZInCorner(Slope tileh, Corner corner)
Determine the Z height of a corner relative to TileZ.
Definition: landscape.h:53
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:2051
IsValidRoadBits
bool IsValidRoadBits(RoadBits r)
Whether the given roadtype is valid.
Definition: road_func.h:23
DrawGroundSpriteAt
void DrawGroundSpriteAt(SpriteID image, PaletteID pal, int32_t x, int32_t 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:566
OWNER_NONE
@ OWNER_NONE
The tile has no ownership.
Definition: company_type.h:25
SetRoadBits
void SetRoadBits(Tile t, RoadBits r, RoadTramType rtt)
Set the present road bits for a specific road type.
Definition: road_map.h:153
FOUNDATION_LEVELED
@ FOUNDATION_LEVELED
The tile is leveled up to a flat slope.
Definition: slope_type.h:95
IsRoadStop
bool IsRoadStop(Tile t)
Is the station at t a road station?
Definition: station_map.h:202
WC_VEHICLE_DEPOT
@ WC_VEHICLE_DEPOT
Depot view; Window numbers:
Definition: window_type.h:351
newgrf.h
GetRoadOwner
Owner GetRoadOwner(Tile t, RoadTramType rtt)
Get the owner of a specific road type.
Definition: road_map.h:234
MP_STATION
@ MP_STATION
A tile of a station.
Definition: tile_type.h:53
TimerGameConst< struct Calendar >::INVALID_DATE
static constexpr TimerGame< struct Calendar >::Date INVALID_DATE
Representation of an invalid date.
Definition: timer_game_common.h:193
ROTSG_CATENARY_FRONT
@ ROTSG_CATENARY_FRONT
Optional: Catenary front.
Definition: road.h:64
Town::cache
TownCache cache
Container for all cacheable data.
Definition: town.h:53
RemoveRoad
static CommandCost RemoveRoad(TileIndex tile, DoCommandFlag flags, RoadBits pieces, RoadTramType rtt, bool town_check)
Delete a piece of road.
Definition: road_cmd.cpp:325
FindVehicleOnPos
void FindVehicleOnPos(TileIndex tile, void *data, VehicleFromPosProc *proc)
Find a vehicle from a specific location.
Definition: vehicle.cpp:505
UpdateCompanyRoadInfrastructure
void UpdateCompanyRoadInfrastructure(RoadType rt, Owner o, int count)
Update road infrastructure counts for a company.
Definition: road_cmd.cpp:190
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:305
HasRailCatenaryDrawn
bool HasRailCatenaryDrawn(RailType rt)
Test if we should draw rail catenary.
Definition: elrail_func.h:30
RATING_ROAD_DOWN_STEP_EDGE
@ RATING_ROAD_DOWN_STEP_EDGE
removing a roadpiece at the edge
Definition: town_type.h:65
GetTunnelBridgeTransportType
TransportType GetTunnelBridgeTransportType(Tile 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
DIAGDIR_BEGIN
@ DIAGDIR_BEGIN
Used for iterations.
Definition: direction_type.h:74
RoadType
RoadType
The different roadtypes we support.
Definition: road_type.h:25
GetRoadBits
RoadBits GetRoadBits(Tile t, RoadTramType rtt)
Get the present road bits for a specific road type.
Definition: road_map.h:128
IncreaseRoadWorksCounter
bool IncreaseRoadWorksCounter(Tile t)
Increase the progress counter of road works.
Definition: road_map.h:523
OWNER_DEITY
@ OWNER_DEITY
The object is owned by a superuser / goal script.
Definition: company_type.h:27
IsBridgeAbove
bool IsBridgeAbove(Tile t)
checks if a bridge is set above the ground of this tile
Definition: bridge_map.h:45
TileDesc::str
StringID str
Description of the tile.
Definition: tile_cmd.h:53
DC_AUTO
@ DC_AUTO
don't allow building on structures
Definition: command_type.h:372
container_func.hpp
EffectVehicle
A special vehicle is one of the following:
Definition: effectvehicle_base.h:24
HasCrossingReservation
bool HasCrossingReservation(Tile t)
Get the reservation state of the rail crossing.
Definition: road_map.h:380
RoadTypeInfo::strings
struct RoadTypeInfo::@29 strings
Strings associated with the rail type.
CreateEffectVehicleAbove
EffectVehicle * CreateEffectVehicleAbove(int x, int y, int z, EffectVehicleType type)
Create an effect vehicle above a particular location.
Definition: effectvehicle.cpp:622
company_func.h
SetRoadOwner
void SetRoadOwner(Tile t, RoadTramType rtt, Owner o)
Set the owner of a specific road type.
Definition: road_map.h:251
RoadBits
RoadBits
Enumeration for the road parts on a tile.
Definition: road_type.h:52
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:1270
SetTownIndex
void SetTownIndex(Tile t, TownID index)
Set the town index for a road or house tile.
Definition: town_map.h:35
GetOtherTunnelBridgeEnd
TileIndex GetOtherTunnelBridgeEnd(Tile t)
Determines type of the wormhole and returns its other end.
Definition: tunnelbridge_map.h:78
IsOnDesert
#define IsOnDesert
Check if a road tile has snow/desert.
Definition: road_map.h:453
AxisToTrack
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:66
AXIS_X
@ AXIS_X
The X axis.
Definition: direction_type.h:117
UpdateLevelCrossing
void UpdateLevelCrossing(TileIndex tile, bool sound=true, bool force_bar=false)
Update a level crossing to barred or open (crossing may include multiple adjacent tiles).
Definition: train_cmd.cpp:1770
TILE_ADDXY
#define TILE_ADDXY(tile, x, y)
Adds a given offset to a tile.
Definition: map_func.h:480
ROTF_HIDDEN
@ ROTF_HIDDEN
Bit number for hidden from construction.
Definition: road.h:41
TrackBits
TrackBits
Allow incrementing of Track variables.
Definition: track_type.h:35
CheckTileOwnership
CommandCost CheckTileOwnership(TileIndex tile)
Check whether the current owner owns the stuff on the given tile.
Definition: company_cmd.cpp:378
CommandHelper
Definition: command_func.h:93
TRACKDIR_BIT_Y_SE
@ TRACKDIR_BIT_Y_SE
Track y-axis, direction south-east.
Definition: track_type.h:101
GetRoadFoundation
static Foundation GetRoadFoundation(Slope tileh, RoadBits bits)
Get the foundationtype of a RoadBits Slope combination.
Definition: road_cmd.cpp:1307
ROAD_NW
@ ROAD_NW
North-west part.
Definition: road_type.h:54
Depot
Definition: depot_base.h:20
MakeRoadDepot
void MakeRoadDepot(Tile tile, Owner owner, DepotID depot_id, DiagDirection dir, RoadType rt)
Make a road depot.
Definition: road_map.h:694
RoadTypeInfo::max_speed
uint16_t max_speed
Maximum speed for vehicles travelling on this road type.
Definition: road.h:142
Town
Town data structure.
Definition: town.h:50
ROAD_SW
@ ROAD_SW
South-west part.
Definition: road_type.h:55
lengthof
#define lengthof(x)
Return the length of an fixed size array.
Definition: stdafx.h:300
ROTSG_DEPOT
@ ROTSG_DEPOT
Optional: Depot images.
Definition: road.h:68
ROAD_NONE
@ ROAD_NONE
No road-part is build.
Definition: road_type.h:53
SlopeToSpriteOffset
uint SlopeToSpriteOffset(Slope s)
Returns the Sprite offset for a given Slope.
Definition: slope_func.h:415
ROAD_SE
@ ROAD_SE
South-east part.
Definition: road_type.h:56
random_func.hpp
GetTileMaxPixelZ
int GetTileMaxPixelZ(TileIndex tile)
Get top height of the tile.
Definition: tile_map.h:304
RailTypeInfo::base_sprites
struct RailTypeInfo::@23 base_sprites
Struct containing the main sprites.
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:18
DrawRoadTypeCatenary
void DrawRoadTypeCatenary(const TileInfo *ti, RoadType rt, RoadBits rb)
Draws the catenary for the RoadType of the given tile.
Definition: road_cmd.cpp:1385
OverflowSafeInt< int64_t >
ROADTYPE_TRAM
@ ROADTYPE_TRAM
Trams.
Definition: road_type.h:28
ConstructionSettings::crossing_with_competitor
bool crossing_with_competitor
allow building of level crossings with competitor roads or rails
Definition: settings_type.h:380
MakeRoadNormal
void MakeRoadNormal(Tile 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
DrawRailCatenary
void DrawRailCatenary(const TileInfo *ti)
Draws overhead wires and pylons for electric railways.
Definition: elrail.cpp:568
DrawRailTileSeq
void DrawRailTileSeq(const struct TileInfo *ti, const DrawTileSprites *dts, TransparencyOption to, int32_t total_offset, uint32_t newgrf_offset, PaletteID default_palette)
Draw tile sprite sequence on tile with railroad specifics.
Definition: sprite.h:89
GetCrossingRailAxis
Axis GetCrossingRailAxis(Tile t)
Get the rail axis of a level crossing.
Definition: road_map.h:337
ROADTYPES_TRAM
@ ROADTYPES_TRAM
Trams.
Definition: road_type.h:41
TRANSPORT_ROAD
@ TRANSPORT_ROAD
Transport by road vehicle.
Definition: transport_type.h:28
RailNoLevelCrossings
bool RailNoLevelCrossings(RailType rt)
Test if a RailType disallows build of level crossings.
Definition: rail.h:345
TileVirtXY
static debug_inline TileIndex TileVirtXY(uint x, uint y)
Get a tile from the virtual XY-coordinate.
Definition: map_func.h:416
RATING_ROAD_DOWN_STEP_INNER
@ RATING_ROAD_DOWN_STEP_INNER
removing a roadpiece in the middle
Definition: town_type.h:64
TileDesc::owner_type
StringID owner_type[4]
Type of each owner.
Definition: tile_cmd.h:56
AxisToTrackBits
TrackBits AxisToTrackBits(Axis a)
Maps an Axis to the corresponding TrackBits value.
Definition: track_func.h:88
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:247
AllocateRoadType
RoadType AllocateRoadType(RoadTypeLabel label, RoadTramType rtt)
Allocate a new road type label.
Definition: road_cmd.cpp:134
TileInfo::x
int x
X position of the tile in unit coordinates.
Definition: tile_cmd.h:44
GetRoadSpriteOffset
static uint GetRoadSpriteOffset(Slope slope, RoadBits bits)
Get the sprite offset within a spritegroup.
Definition: road_cmd.cpp:1342
TRACK_BIT_Y
@ TRACK_BIT_Y
Y-axis track.
Definition: track_type.h:38
TimerGameCalendar::date
static Date date
Current date in days (day counter).
Definition: timer_game_calendar.h:34
MirrorRoadBits
RoadBits MirrorRoadBits(RoadBits r)
Calculate the mirrored RoadBits.
Definition: road_func.h:51
TileInfo::tile
TileIndex tile
Tile index.
Definition: tile_cmd.h:47
_invalid_tileh_slopes_road
static const RoadBits _invalid_tileh_slopes_road[2][15]
Invalid RoadBits on slopes.
Definition: road_cmd.cpp:202
GameSettings::construction
ConstructionSettings construction
construction of things in-game
Definition: settings_type.h:620
GetAllRoadBits
RoadBits GetAllRoadBits(Tile tile)
Get all set RoadBits on the given tile.
Definition: road_map.h:141
DC_NONE
@ DC_NONE
no flag is set
Definition: command_type.h:370
SlopeWithOneCornerRaised
Slope SlopeWithOneCornerRaised(Corner corner)
Returns the slope with a specific corner raised.
Definition: slope_func.h:99
TileDesc::rail_speed
uint16_t rail_speed
Speed limit of rail (bridges and track)
Definition: tile_cmd.h:65
IsTileType
static debug_inline bool IsTileType(Tile tile, TileType type)
Checks if a tile is a given tiletype.
Definition: tile_map.h:150
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:324
BaseVehicle::type
VehicleType type
Type of vehicle.
Definition: vehicle_type.h:51
TrackdirBits
TrackdirBits
Allow incrementing of Trackdir variables.
Definition: track_type.h:98
TRACKDIR_X_SW
@ TRACKDIR_X_SW
X-axis and direction to south-west.
Definition: track_type.h:77
TileX
static debug_inline uint TileX(TileIndex tile)
Get the X component of a tile.
Definition: map_func.h:427
TileDesc::tramtype
StringID tramtype
Type of tram on the tile.
Definition: tile_cmd.h:68
SpecializedVehicle::First
T * First() const
Get the first vehicle in the chain.
Definition: vehicle_base.h:1098
RailTypeInfo::crossing
SpriteID crossing
level crossing, rail in X direction
Definition: rail.h:144
_roadtypes_type
RoadTypes _roadtypes_type
Bitmap of road/tram types.
Definition: road_cmd.cpp:62
TUNNELBRIDGE_REMOVE
@ TUNNELBRIDGE_REMOVE
Removal of a tunnel or bridge owned by the towb.
Definition: town.h:169
SLOPE_FLAT
@ SLOPE_FLAT
a flat tile
Definition: slope_type.h:49
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:166
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:545
ROAD_REMOVE
@ ROAD_REMOVE
Removal of a road owned by the town.
Definition: town.h:168
ShowDepotWindow
void ShowDepotWindow(TileIndex tile, VehicleType type)
Opens a depot window.
Definition: depot_gui.cpp:1141
DIAGDIR_NE
@ DIAGDIR_NE
Northeast, upper right on your monitor.
Definition: direction_type.h:75
Company
Definition: company_base.h:116
IsSlopeWithOneCornerRaised
bool IsSlopeWithOneCornerRaised(Slope s)
Tests if a specific slope has exactly one corner raised.
Definition: slope_func.h:88
RVSB_IN_DEPOT
@ RVSB_IN_DEPOT
The vehicle is in a depot.
Definition: roadveh.h:38
ClrBit
constexpr T ClrBit(T &x, const uint8_t y)
Clears a bit in a variable.
Definition: bitmath_func.hpp:151
IsTileOwner
bool IsTileOwner(Tile tile, Owner owner)
Checks if a tile belongs to the given owner.
Definition: tile_map.h:214
OWNER_WATER
@ OWNER_WATER
The tile/execution is done by "water".
Definition: company_type.h:26
GetTropicZone
TropicZone GetTropicZone(Tile tile)
Get the tropic zone.
Definition: tile_map.h:238
CLRBITS
#define CLRBITS(x, y)
Clears several bits in a variable.
Definition: bitmath_func.hpp:166
OtherAxis
Axis OtherAxis(Axis a)
Select the other axis as provided.
Definition: direction_func.h:197
ROTSG_CATENARY_BACK
@ ROTSG_CATENARY_BACK
Optional: Catenary back.
Definition: road.h:65
ROADTYPE_BEGIN
@ ROADTYPE_BEGIN
Used for iterations.
Definition: road_type.h:26
TileAddByDiagDir
TileIndex TileAddByDiagDir(TileIndex tile, DiagDirection dir)
Adds a DiagDir to a tile.
Definition: map_func.h:604
ApplyPixelFoundationToSlope
uint ApplyPixelFoundationToSlope(Foundation f, Slope *s)
Applies a foundation to a slope.
Definition: landscape.h:129
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:950
CmdBuildRoadDepot
CommandCost CmdBuildRoadDepot(DoCommandFlag flags, TileIndex tile, RoadType rt, DiagDirection dir)
Build a road depot.
Definition: road_cmd.cpp:1155
IsRoadDepot
static debug_inline bool IsRoadDepot(Tile t)
Return whether a tile is a road depot.
Definition: road_map.h:106
SPR_ONEWAY_BASE
static const SpriteID SPR_ONEWAY_BASE
One way road sprites.
Definition: sprites.h:293
TownCache::squared_town_zone_radius
uint32_t squared_town_zone_radius[HZB_END]
UpdateTownRadius updates this given the house count.
Definition: town.h:45
RailTypeInfo::single_y
SpriteID single_y
single piece of rail in Y direction, without ground
Definition: rail.h:138
AxisToRoadBits
RoadBits AxisToRoadBits(Axis a)
Create the road-part which belongs to the given Axis.
Definition: road_func.h:111
VehicleEnterTileStatus
VehicleEnterTileStatus
The returned bits of VehicleEnterTile.
Definition: tile_cmd.h:21
OWNER_TOWN
@ OWNER_TOWN
A town owns the tile, or a town is expanding.
Definition: company_type.h:24
DRD_END
@ DRD_END
Sentinel.
Definition: road_type.h:78
DRD_NORTHBOUND
@ DRD_NORTHBOUND
All northbound traffic is disallowed.
Definition: road_type.h:76
newgrf_railtype.h
TunnelBridgeIsFree
CommandCost TunnelBridgeIsFree(TileIndex tile, TileIndex endtile, const Vehicle *ignore)
Finds vehicle in tunnel / bridge.
Definition: vehicle.cpp:575
road_cmd.h
IsDriveThroughStopTile
bool IsDriveThroughStopTile(Tile t)
Is tile t a drive through road stop station?
Definition: station_map.h:233
HasRoadCatenary
bool HasRoadCatenary(RoadType roadtype)
Test if a road type has catenary.
Definition: road_func.h:135
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:589
ClientSettings::gui
GUISettings gui
settings related to the GUI
Definition: settings_type.h:636
ROADSIDE_GRASS_ROAD_WORKS
@ ROADSIDE_GRASS_ROAD_WORKS
Road on grass with road works.
Definition: road_map.h:484
IsOnSnow
bool IsOnSnow(Tile t)
Check if a road tile has snow/desert.
Definition: road_map.h:459
CompanyInfrastructure::rail
uint32_t rail[RAILTYPE_END]
Count of company owned track bits for each rail type.
Definition: company_base.h:35
IsRoadDepotTile
static debug_inline bool IsRoadDepotTile(Tile t)
Return whether a tile is a road depot tile.
Definition: road_map.h:116
RoadConvertCost
Money RoadConvertCost(RoadType from, RoadType to)
Calculates the cost of road conversion.
Definition: road.h:281
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:96
TRACKDIR_BIT_X_SW
@ TRACKDIR_BIT_X_SW
Track x-axis, direction south-west.
Definition: track_type.h:107
SPR_TRAMWAY_BASE
static const SpriteID SPR_TRAMWAY_BASE
Tramway sprites.
Definition: sprites.h:272
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:37
roadveh.h
GetTunnelBridgeDirection
DiagDirection GetTunnelBridgeDirection(Tile t)
Get the direction pointing to the other end.
Definition: tunnelbridge_map.h:26
AutoslopeCheckForEntranceEdge
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
HasBit
constexpr debug_inline bool HasBit(const T x, const uint8_t y)
Checks if a bit in a value is set.
Definition: bitmath_func.hpp:103