00001
00002
00003
00004
00005
00006
00007
00008
00009
00012 #include "stdafx.h"
00013 #include "cmd_helper.h"
00014 #include "road_internal.h"
00015 #include "viewport_func.h"
00016 #include "command_func.h"
00017 #include "pathfinder/yapf/yapf_cache.h"
00018 #include "depot_base.h"
00019 #include "newgrf.h"
00020 #include "autoslope.h"
00021 #include "tunnelbridge_map.h"
00022 #include "window_func.h"
00023 #include "strings_func.h"
00024 #include "vehicle_func.h"
00025 #include "sound_func.h"
00026 #include "tunnelbridge.h"
00027 #include "cheat_type.h"
00028 #include "effectvehicle_func.h"
00029 #include "effectvehicle_base.h"
00030 #include "elrail_func.h"
00031 #include "roadveh.h"
00032 #include "town.h"
00033 #include "company_base.h"
00034 #include "core/random_func.hpp"
00035 #include "newgrf_railtype.h"
00036 #include "date_func.h"
00037 #include "genworld.h"
00038
00039 #include "table/strings.h"
00040
00045 bool RoadVehiclesAreBuilt()
00046 {
00047 const RoadVehicle *rv;
00048 FOR_ALL_ROADVEHICLES(rv) return true;
00049
00050 return false;
00051 }
00052
00054 static const RoadBits _invalid_tileh_slopes_road[2][15] = {
00055
00056 {
00057 ROAD_NONE,
00058 ROAD_NE | ROAD_SE,
00059 ROAD_NE | ROAD_NW,
00060
00061 ROAD_NE,
00062 ROAD_NW | ROAD_SW,
00063 ROAD_NONE,
00064
00065 ROAD_NW,
00066 ROAD_NONE,
00067 ROAD_SE | ROAD_SW,
00068
00069 ROAD_SE,
00070 ROAD_NONE,
00071 ROAD_NONE,
00072
00073 ROAD_SW,
00074 ROAD_NONE,
00075 ROAD_NONE
00076 },
00077
00078
00079 {
00080 ROAD_NONE,
00081 ROAD_NONE,
00082 ROAD_NONE,
00083
00084 ROAD_Y,
00085 ROAD_NONE,
00086 ROAD_ALL,
00087
00088 ROAD_X,
00089 ROAD_ALL,
00090 ROAD_NONE,
00091
00092 ROAD_X,
00093 ROAD_ALL,
00094 ROAD_ALL,
00095
00096 ROAD_Y,
00097 ROAD_ALL,
00098 ROAD_ALL
00099 }
00100 };
00101
00102 static Foundation GetRoadFoundation(Slope tileh, RoadBits bits);
00103
00114 CommandCost CheckAllowRemoveRoad(TileIndex tile, RoadBits remove, Owner owner, RoadType rt, DoCommandFlag flags, bool town_check)
00115 {
00116 if (_game_mode == GM_EDITOR || remove == ROAD_NONE) return CommandCost();
00117
00118
00119
00120
00121 if (_current_company == OWNER_WATER ||
00122 (rt == ROADTYPE_ROAD && !Company::IsValidID(_current_company))) return CommandCost();
00123
00124
00125
00126 if (owner != OWNER_TOWN) {
00127 if (owner == OWNER_NONE) return CommandCost();
00128 CommandCost ret = CheckOwnership(owner);
00129 return ret;
00130 }
00131
00132 if (!town_check) return CommandCost();
00133
00134 if (_cheats.magic_bulldozer.value) return CommandCost();
00135
00136 Town *t = ClosestTownFromTile(tile, UINT_MAX);
00137 if (t == NULL) return CommandCost();
00138
00139
00140
00141 CommandCost ret = CheckforTownRating(flags, t, ROAD_REMOVE);
00142 if (ret.Failed()) return ret;
00143
00144
00145 RoadBits n = ROAD_NONE;
00146 RoadBits present = GetAnyRoadBits(tile, rt);
00147 if ((present & ROAD_NE) && (GetAnyRoadBits(TILE_ADDXY(tile, -1, 0), rt) & ROAD_SW)) n |= ROAD_NE;
00148 if ((present & ROAD_SE) && (GetAnyRoadBits(TILE_ADDXY(tile, 0, 1), rt) & ROAD_NW)) n |= ROAD_SE;
00149 if ((present & ROAD_SW) && (GetAnyRoadBits(TILE_ADDXY(tile, 1, 0), rt) & ROAD_NE)) n |= ROAD_SW;
00150 if ((present & ROAD_NW) && (GetAnyRoadBits(TILE_ADDXY(tile, 0, -1), rt) & ROAD_SE)) n |= ROAD_NW;
00151
00152 int rating_decrease = RATING_ROAD_DOWN_STEP_EDGE;
00153
00154
00155 if (KillFirstBit(n) != ROAD_NONE && (n & remove) != ROAD_NONE) {
00156
00157 if (!_settings_game.construction.extra_dynamite) {
00158 SetDParam(0, t->index);
00159 return_cmd_error(STR_ERROR_LOCAL_AUTHORITY_REFUSES_TO_ALLOW_THIS);
00160 }
00161 rating_decrease = RATING_ROAD_DOWN_STEP_INNER;
00162 }
00163 ChangeTownRating(t, rating_decrease, RATING_ROAD_MINIMUM, flags);
00164
00165 return CommandCost();
00166 }
00167
00168
00178 static CommandCost RemoveRoad(TileIndex tile, DoCommandFlag flags, RoadBits pieces, RoadType rt, bool crossing_check, bool town_check = true)
00179 {
00180 RoadTypes rts = GetRoadTypes(tile);
00181
00182 if (!HasBit(rts, rt)) return_cmd_error(rt == ROADTYPE_TRAM ? STR_ERROR_THERE_IS_NO_TRAMWAY : STR_ERROR_THERE_IS_NO_ROAD);
00183
00184 switch (GetTileType(tile)) {
00185 case MP_ROAD: {
00186 CommandCost ret = EnsureNoVehicleOnGround(tile);
00187 if (ret.Failed()) return ret;
00188 break;
00189 }
00190
00191 case MP_STATION: {
00192 if (!IsDriveThroughStopTile(tile)) return CMD_ERROR;
00193
00194 CommandCost ret = EnsureNoVehicleOnGround(tile);
00195 if (ret.Failed()) return ret;
00196 break;
00197 }
00198
00199 case MP_TUNNELBRIDGE: {
00200 if (GetTunnelBridgeTransportType(tile) != TRANSPORT_ROAD) return CMD_ERROR;
00201 CommandCost ret = TunnelBridgeIsFree(tile, GetOtherTunnelBridgeEnd(tile));
00202 if (ret.Failed()) return ret;
00203 break;
00204 }
00205
00206 default:
00207 return CMD_ERROR;
00208 }
00209
00210 CommandCost ret = CheckAllowRemoveRoad(tile, pieces, GetRoadOwner(tile, rt), rt, flags, town_check);
00211 if (ret.Failed()) return ret;
00212
00213 if (!IsTileType(tile, MP_ROAD)) {
00214
00215 if (rts == RoadTypeToRoadTypes(rt)) return DoCommand(tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR);
00216
00217 CommandCost cost(EXPENSES_CONSTRUCTION);
00218 if (IsTileType(tile, MP_TUNNELBRIDGE)) {
00219 TileIndex other_end = GetOtherTunnelBridgeEnd(tile);
00220
00221 cost.AddCost((GetTunnelBridgeLength(other_end, tile) + 2) * _price[PR_CLEAR_ROAD]);
00222 if (flags & DC_EXEC) {
00223 SetRoadTypes(other_end, GetRoadTypes(other_end) & ~RoadTypeToRoadTypes(rt));
00224 SetRoadTypes(tile, GetRoadTypes(tile) & ~RoadTypeToRoadTypes(rt));
00225
00226
00227
00228 RoadType other_rt = (rt == ROADTYPE_ROAD) ? ROADTYPE_TRAM : ROADTYPE_ROAD;
00229 Owner other_owner = GetRoadOwner(tile, other_rt);
00230 if (other_owner != GetTileOwner(tile)) {
00231 SetTileOwner(tile, other_owner);
00232 SetTileOwner(other_end, other_owner);
00233 }
00234
00235
00236 MarkTileDirtyByTile(tile);
00237 MarkTileDirtyByTile(other_end);
00238 if (IsBridge(tile)) {
00239 TileIndexDiff delta = TileOffsByDiagDir(GetTunnelBridgeDirection(tile));
00240
00241 for (TileIndex t = tile + delta; t != other_end; t += delta) MarkTileDirtyByTile(t);
00242 }
00243 }
00244 } else {
00245 assert(IsDriveThroughStopTile(tile));
00246 cost.AddCost(_price[PR_CLEAR_ROAD] * 2);
00247 if (flags & DC_EXEC) {
00248 SetRoadTypes(tile, GetRoadTypes(tile) & ~RoadTypeToRoadTypes(rt));
00249 MarkTileDirtyByTile(tile);
00250 }
00251 }
00252 return cost;
00253 }
00254
00255 switch (GetRoadTileType(tile)) {
00256 case ROAD_TILE_NORMAL: {
00257 const Slope tileh = GetTileSlope(tile, NULL);
00258 RoadBits present = GetRoadBits(tile, rt);
00259 const RoadBits other = GetOtherRoadBits(tile, rt);
00260 const Foundation f = GetRoadFoundation(tileh, present);
00261
00262 if (HasRoadWorks(tile) && _current_company != OWNER_WATER) return_cmd_error(STR_ERROR_ROAD_WORKS_IN_PROGRESS);
00263
00264
00265
00266
00267
00268 if (IsSteepSlope(tileh) || (IsStraightRoad(other) &&
00269 (other & _invalid_tileh_slopes_road[0][tileh & SLOPE_ELEVATED]) != ROAD_NONE) ||
00270 (tileh != SLOPE_FLAT && !_settings_game.construction.build_on_slopes)) {
00271 pieces |= MirrorRoadBits(pieces);
00272 }
00273
00274
00275 pieces &= present;
00276 if (pieces == ROAD_NONE) return_cmd_error(rt == ROADTYPE_TRAM ? STR_ERROR_THERE_IS_NO_TRAMWAY : STR_ERROR_THERE_IS_NO_ROAD);
00277
00278
00279 present ^= pieces;
00280
00281
00282 if (tileh != SLOPE_FLAT && present != ROAD_NONE &&
00283 (present & _invalid_tileh_slopes_road[0][tileh & SLOPE_ELEVATED]) == present) {
00284 return CMD_ERROR;
00285 }
00286
00287 if (flags & DC_EXEC) {
00288 if (HasRoadWorks(tile)) {
00289
00290 assert(_current_company == OWNER_WATER);
00291 EffectVehicle *v;
00292 FOR_ALL_EFFECTVEHICLES(v) {
00293 if (TileVirtXY(v->x_pos, v->y_pos) == tile) {
00294 delete v;
00295 }
00296 }
00297 }
00298 if (present == ROAD_NONE) {
00299 RoadTypes rts = GetRoadTypes(tile) & ComplementRoadTypes(RoadTypeToRoadTypes(rt));
00300 if (rts == ROADTYPES_NONE) {
00301
00302 DoClearSquare(tile);
00303 } else {
00304 if (rt == ROADTYPE_ROAD && IsRoadOwner(tile, ROADTYPE_ROAD, OWNER_TOWN)) {
00305
00306 const Town *town = CalcClosestTownFromTile(tile);
00307 SetTownIndex(tile, town == NULL ? (TownID)INVALID_TOWN : town->index);
00308 }
00309 SetRoadBits(tile, ROAD_NONE, rt);
00310 SetRoadTypes(tile, rts);
00311 MarkTileDirtyByTile(tile);
00312 }
00313 } else {
00314
00315
00316
00317 if (rt != ROADTYPE_TRAM) SetDisallowedRoadDirections(tile, DRD_NONE);
00318 SetRoadBits(tile, present, rt);
00319 MarkTileDirtyByTile(tile);
00320 }
00321 }
00322
00323 CommandCost cost(EXPENSES_CONSTRUCTION, CountBits(pieces) * _price[PR_CLEAR_ROAD]);
00324
00325 if (f == FOUNDATION_NONE && GetRoadFoundation(tileh, present) != FOUNDATION_NONE) cost.AddCost(_price[PR_BUILD_FOUNDATION]);
00326
00327 return cost;
00328 }
00329
00330 case ROAD_TILE_CROSSING: {
00331 if (pieces & ComplementRoadBits(GetCrossingRoadBits(tile))) {
00332 return CMD_ERROR;
00333 }
00334
00335
00336
00337 if (rt == ROADTYPE_ROAD && HasTileRoadType(tile, ROADTYPE_TRAM) && (flags & DC_EXEC || crossing_check)) return CMD_ERROR;
00338
00339 if (flags & DC_EXEC) {
00340 Track railtrack = GetCrossingRailTrack(tile);
00341 RoadTypes rts = GetRoadTypes(tile) & ComplementRoadTypes(RoadTypeToRoadTypes(rt));
00342 if (rts == ROADTYPES_NONE) {
00343 TrackBits tracks = GetCrossingRailBits(tile);
00344 bool reserved = HasCrossingReservation(tile);
00345 MakeRailNormal(tile, GetTileOwner(tile), tracks, GetRailType(tile));
00346 if (reserved) SetTrackReservation(tile, tracks);
00347 } else {
00348 SetRoadTypes(tile, rts);
00349
00350 }
00351 MarkTileDirtyByTile(tile);
00352 YapfNotifyTrackLayoutChange(tile, railtrack);
00353 }
00354 return CommandCost(EXPENSES_CONSTRUCTION, _price[PR_CLEAR_ROAD] * 2);
00355 }
00356
00357 default:
00358 case ROAD_TILE_DEPOT:
00359 return CMD_ERROR;
00360 }
00361 }
00362
00363
00375 static CommandCost CheckRoadSlope(Slope tileh, RoadBits *pieces, RoadBits existing, RoadBits other)
00376 {
00377
00378 CLRBITS(*pieces, existing);
00379
00380
00381 if (*pieces == ROAD_NONE) return CMD_ERROR;
00382
00383
00384 if (tileh == SLOPE_FLAT) return CommandCost();
00385
00386
00387 if (IsSteepSlope(tileh)) {
00388
00389 *pieces |= MirrorRoadBits(*pieces);
00390
00391
00392
00393 existing |= other;
00394
00395 if ((existing == ROAD_NONE || existing == *pieces) && IsStraightRoad(*pieces)) {
00396 return CommandCost(EXPENSES_CONSTRUCTION, _price[PR_BUILD_FOUNDATION]);
00397 }
00398 return CMD_ERROR;
00399 }
00400
00401
00402 RoadBits type_bits = existing | *pieces;
00403
00404
00405 if (_settings_game.construction.build_on_slopes && (_invalid_tileh_slopes_road[0][tileh] & (other | type_bits)) == ROAD_NONE) {
00406
00407
00408 if ((other | existing) == ROAD_NONE) return CommandCost(EXPENSES_CONSTRUCTION, _price[PR_BUILD_FOUNDATION]);
00409
00410 return CommandCost();
00411 }
00412
00413
00414 *pieces |= MirrorRoadBits(*pieces);
00415 type_bits = existing | *pieces;
00416
00417
00418 if (IsStraightRoad(type_bits) && (other == type_bits || other == ROAD_NONE) &&
00419 (_invalid_tileh_slopes_road[1][tileh] & (other | type_bits)) == ROAD_NONE) {
00420
00421
00422 if (IsSlopeWithOneCornerRaised(tileh)) {
00423
00424
00425 if (_settings_game.construction.build_on_slopes) {
00426
00427
00428 if ((other | existing) == ROAD_NONE) return CommandCost(EXPENSES_CONSTRUCTION, _price[PR_BUILD_FOUNDATION]);
00429
00430 return CommandCost();
00431 }
00432 } else {
00433 if (HasExactlyOneBit(existing) && GetRoadFoundation(tileh, existing) == FOUNDATION_NONE) return CommandCost(EXPENSES_CONSTRUCTION, _price[PR_BUILD_FOUNDATION]);
00434 return CommandCost();
00435 }
00436 }
00437 return CMD_ERROR;
00438 }
00439
00451 CommandCost CmdBuildRoad(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
00452 {
00453 CommandCost cost(EXPENSES_CONSTRUCTION);
00454
00455 RoadBits existing = ROAD_NONE;
00456 RoadBits other_bits = ROAD_NONE;
00457
00458
00459
00460 if ((Company::IsValidID(_current_company) && p2 != 0) || (_current_company == OWNER_TOWN && !Town::IsValidID(p2))) return CMD_ERROR;
00461 if (_current_company != OWNER_TOWN) {
00462 const Town *town = CalcClosestTownFromTile(tile);
00463 p2 = (town != NULL) ? town->index : (TownID)INVALID_TOWN;
00464 }
00465
00466 RoadBits pieces = Extract<RoadBits, 0, 4>(p1);
00467
00468
00469 if (pieces == ROAD_NONE) return CMD_ERROR;
00470
00471 RoadType rt = Extract<RoadType, 4, 2>(p1);
00472 if (!IsValidRoadType(rt) || !ValParamRoadType(rt)) return CMD_ERROR;
00473
00474 DisallowedRoadDirections toggle_drd = Extract<DisallowedRoadDirections, 6, 2>(p1);
00475
00476 Slope tileh = GetTileSlope(tile, NULL);
00477
00478 bool need_to_clear = false;
00479 switch (GetTileType(tile)) {
00480 case MP_ROAD:
00481 switch (GetRoadTileType(tile)) {
00482 case ROAD_TILE_NORMAL: {
00483 if (HasRoadWorks(tile)) return_cmd_error(STR_ERROR_ROAD_WORKS_IN_PROGRESS);
00484
00485 other_bits = GetOtherRoadBits(tile, rt);
00486 if (!HasTileRoadType(tile, rt)) break;
00487
00488 existing = GetRoadBits(tile, rt);
00489 bool crossing = !IsStraightRoad(existing | pieces);
00490 if (rt != ROADTYPE_TRAM && (GetDisallowedRoadDirections(tile) != DRD_NONE || toggle_drd != DRD_NONE) && crossing) {
00491
00492 return_cmd_error(STR_ERROR_ONEWAY_ROADS_CAN_T_HAVE_JUNCTION);
00493 }
00494 if ((existing & pieces) == pieces) {
00495
00496 if (toggle_drd != DRD_NONE && rt != ROADTYPE_TRAM) {
00497 if (crossing) return_cmd_error(STR_ERROR_ONEWAY_ROADS_CAN_T_HAVE_JUNCTION);
00498
00499 Owner owner = GetRoadOwner(tile, ROADTYPE_ROAD);
00500 if (owner != OWNER_NONE) {
00501 CommandCost ret = CheckOwnership(owner, tile);
00502 if (ret.Failed()) return ret;
00503 }
00504
00505 DisallowedRoadDirections dis_existing = GetDisallowedRoadDirections(tile);
00506 DisallowedRoadDirections dis_new = dis_existing ^ toggle_drd;
00507
00508
00509
00510
00511
00512 if (CountBits(dis_existing) <= CountBits(dis_new)) {
00513 CommandCost ret = EnsureNoVehicleOnGround(tile);
00514 if (ret.Failed()) return ret;
00515 }
00516
00517
00518 if ((flags & DC_EXEC) && rt != ROADTYPE_TRAM && IsStraightRoad(existing)) {
00519 SetDisallowedRoadDirections(tile, dis_new);
00520 MarkTileDirtyByTile(tile);
00521 }
00522 return CommandCost();
00523 }
00524 return_cmd_error(STR_ERROR_ALREADY_BUILT);
00525 }
00526 break;
00527 }
00528
00529 case ROAD_TILE_CROSSING:
00530 other_bits = GetCrossingRoadBits(tile);
00531 if (pieces & ComplementRoadBits(other_bits)) goto do_clear;
00532 pieces = other_bits;
00533
00534 if (HasTileRoadType(tile, rt)) return_cmd_error(STR_ERROR_ALREADY_BUILT);
00535 break;
00536
00537 case ROAD_TILE_DEPOT:
00538 if ((GetAnyRoadBits(tile, rt) & pieces) == pieces) return_cmd_error(STR_ERROR_ALREADY_BUILT);
00539 goto do_clear;
00540
00541 default: NOT_REACHED();
00542 }
00543 break;
00544
00545 case MP_RAILWAY: {
00546 if (IsSteepSlope(tileh)) {
00547 return_cmd_error(STR_ERROR_LAND_SLOPED_IN_WRONG_DIRECTION);
00548 }
00549
00550
00551 if (!HasBit(VALID_LEVEL_CROSSING_SLOPES, tileh)) {
00552 return_cmd_error(STR_ERROR_LAND_SLOPED_IN_WRONG_DIRECTION);
00553 }
00554
00555 if (GetRailTileType(tile) != RAIL_TILE_NORMAL) goto do_clear;
00556
00557 if (RailNoLevelCrossings(GetRailType(tile))) {
00558 return_cmd_error(STR_ERROR_CROSSING_DISALLOWED);
00559 }
00560
00561 Axis roaddir;
00562 switch (GetTrackBits(tile)) {
00563 case TRACK_BIT_X:
00564 if (pieces & ROAD_X) goto do_clear;
00565 roaddir = AXIS_Y;
00566 break;
00567
00568 case TRACK_BIT_Y:
00569 if (pieces & ROAD_Y) goto do_clear;
00570 roaddir = AXIS_X;
00571 break;
00572
00573 default: goto do_clear;
00574 }
00575
00576 CommandCost ret = EnsureNoVehicleOnGround(tile);
00577 if (ret.Failed()) return ret;
00578
00579 if (flags & DC_EXEC) {
00580 Track railtrack = AxisToTrack(OtherAxis(roaddir));
00581 YapfNotifyTrackLayoutChange(tile, railtrack);
00582
00583 bool reserved = HasBit(GetRailReservationTrackBits(tile), railtrack);
00584 MakeRoadCrossing(tile, _current_company, _current_company, GetTileOwner(tile), roaddir, GetRailType(tile), RoadTypeToRoadTypes(rt) | ROADTYPES_ROAD, p2);
00585 SetCrossingReservation(tile, reserved);
00586 UpdateLevelCrossing(tile, false);
00587 MarkTileDirtyByTile(tile);
00588 }
00589 return CommandCost(EXPENSES_CONSTRUCTION, _price[PR_BUILD_ROAD] * (rt == ROADTYPE_ROAD ? 2 : 4));
00590 }
00591
00592 case MP_STATION: {
00593 if ((GetAnyRoadBits(tile, rt) & pieces) == pieces) return_cmd_error(STR_ERROR_ALREADY_BUILT);
00594 if (!IsDriveThroughStopTile(tile)) goto do_clear;
00595
00596 RoadBits curbits = AxisToRoadBits(DiagDirToAxis(GetRoadStopDir(tile)));
00597 if (pieces & ~curbits) goto do_clear;
00598 pieces = curbits;
00599
00600 if (HasTileRoadType(tile, rt)) return_cmd_error(STR_ERROR_ALREADY_BUILT);
00601 break;
00602 }
00603
00604 case MP_TUNNELBRIDGE: {
00605 if (GetTunnelBridgeTransportType(tile) != TRANSPORT_ROAD) goto do_clear;
00606 if (MirrorRoadBits(DiagDirToRoadBits(GetTunnelBridgeDirection(tile))) != pieces) goto do_clear;
00607 if (HasTileRoadType(tile, rt)) return_cmd_error(STR_ERROR_ALREADY_BUILT);
00608
00609 CommandCost ret = TunnelBridgeIsFree(tile, GetOtherTunnelBridgeEnd(tile));
00610 if (ret.Failed()) return ret;
00611 break;
00612 }
00613
00614 default: {
00615 do_clear:;
00616 need_to_clear = true;
00617 break;
00618 }
00619 }
00620
00621 if (need_to_clear) {
00622 CommandCost ret = DoCommand(tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR);
00623 if (ret.Failed()) return ret;
00624 cost.AddCost(ret);
00625 }
00626
00627 if (other_bits != pieces) {
00628
00629 CommandCost ret = CheckRoadSlope(tileh, &pieces, existing, other_bits);
00630
00631
00632 if (ret.Failed() || (ret.GetCost() != 0 && !_settings_game.construction.build_on_slopes)) {
00633 return_cmd_error(STR_ERROR_LAND_SLOPED_IN_WRONG_DIRECTION);
00634 }
00635 cost.AddCost(ret);
00636 }
00637
00638 if (!need_to_clear) {
00639 if (IsTileType(tile, MP_ROAD)) {
00640
00641 pieces &= ComplementRoadBits(existing);
00642
00643
00644 if (IsNormalRoad(tile)) {
00645 Slope slope = GetTileSlope(tile, NULL);
00646 Foundation found_new = GetRoadFoundation(slope, pieces | existing);
00647
00648
00649 for (RoadType rtest = ROADTYPE_ROAD; rtest < ROADTYPE_END; rtest++) {
00650 if (rtest != rt) {
00651 RoadBits bits = GetRoadBits(tile, rtest);
00652
00653 if (bits != ROAD_NONE && GetRoadFoundation(slope, bits) != found_new) {
00654 return_cmd_error(STR_ERROR_LAND_SLOPED_IN_WRONG_DIRECTION);
00655 }
00656 }
00657 }
00658 }
00659 }
00660
00661 CommandCost ret = EnsureNoVehicleOnGround(tile);
00662 if (ret.Failed()) return ret;
00663
00664 }
00665 cost.AddCost(CountBits(pieces) * _price[PR_BUILD_ROAD]);
00666
00667 if (!need_to_clear && IsTileType(tile, MP_TUNNELBRIDGE)) {
00668
00669 cost.MultiplyCost(GetTunnelBridgeLength(GetOtherTunnelBridgeEnd(tile), tile) + 2);
00670 }
00671
00672 if (flags & DC_EXEC) {
00673 switch (GetTileType(tile)) {
00674 case MP_ROAD: {
00675 RoadTileType rtt = GetRoadTileType(tile);
00676 if (existing == ROAD_NONE || rtt == ROAD_TILE_CROSSING) {
00677 SetRoadTypes(tile, GetRoadTypes(tile) | RoadTypeToRoadTypes(rt));
00678 SetRoadOwner(tile, rt, _current_company);
00679 if (rt == ROADTYPE_ROAD) SetTownIndex(tile, p2);
00680 }
00681 if (rtt != ROAD_TILE_CROSSING) SetRoadBits(tile, existing | pieces, rt);
00682 break;
00683 }
00684
00685 case MP_TUNNELBRIDGE: {
00686 TileIndex other_end = GetOtherTunnelBridgeEnd(tile);
00687
00688 SetRoadTypes(other_end, GetRoadTypes(other_end) | RoadTypeToRoadTypes(rt));
00689 SetRoadTypes(tile, GetRoadTypes(tile) | RoadTypeToRoadTypes(rt));
00690 SetRoadOwner(other_end, rt, _current_company);
00691 SetRoadOwner(tile, rt, _current_company);
00692
00693
00694 MarkTileDirtyByTile(other_end);
00695 MarkTileDirtyByTile(tile);
00696 if (IsBridge(tile)) {
00697 TileIndexDiff delta = TileOffsByDiagDir(GetTunnelBridgeDirection(tile));
00698
00699 for (TileIndex t = tile + delta; t != other_end; t += delta) MarkTileDirtyByTile(t);
00700 }
00701 break;
00702 }
00703
00704 case MP_STATION:
00705 assert(IsDriveThroughStopTile(tile));
00706 SetRoadTypes(tile, GetRoadTypes(tile) | RoadTypeToRoadTypes(rt));
00707 SetRoadOwner(tile, rt, _current_company);
00708 break;
00709
00710 default:
00711 MakeRoadNormal(tile, pieces, RoadTypeToRoadTypes(rt), p2, _current_company, _current_company);
00712 break;
00713 }
00714
00715 if (rt != ROADTYPE_TRAM && IsNormalRoadTile(tile)) {
00716 existing |= pieces;
00717 SetDisallowedRoadDirections(tile, IsStraightRoad(existing) ?
00718 GetDisallowedRoadDirections(tile) ^ toggle_drd : DRD_NONE);
00719 }
00720
00721 MarkTileDirtyByTile(tile);
00722 }
00723 return cost;
00724 }
00725
00741 CommandCost CmdBuildLongRoad(TileIndex start_tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
00742 {
00743 DisallowedRoadDirections drd = DRD_NORTHBOUND;
00744
00745 if (p1 >= MapSize()) return CMD_ERROR;
00746
00747 TileIndex end_tile = p1;
00748 RoadType rt = Extract<RoadType, 3, 2>(p2);
00749 if (!IsValidRoadType(rt) || !ValParamRoadType(rt)) return CMD_ERROR;
00750
00751 Axis axis = Extract<Axis, 2, 1>(p2);
00752
00753 if (axis == AXIS_X && TileY(start_tile) != TileY(end_tile)) return CMD_ERROR;
00754 if (axis == AXIS_Y && TileX(start_tile) != TileX(end_tile)) return CMD_ERROR;
00755
00756 DiagDirection dir = AxisToDiagDir(axis);
00757
00758
00759 if (start_tile > end_tile || (start_tile == end_tile && HasBit(p2, 0))) {
00760 dir = ReverseDiagDir(dir);
00761 p2 ^= 3;
00762 drd = DRD_SOUTHBOUND;
00763 }
00764
00765
00766
00767
00768 if ((axis == AXIS_Y) == (start_tile == end_tile && HasBit(p2, 0) == HasBit(p2, 1))) drd ^= DRD_BOTH;
00769
00770 if (!HasBit(p2, 5)) drd = DRD_NONE;
00771
00772 CommandCost cost(EXPENSES_CONSTRUCTION);
00773 CommandCost last_error = CMD_ERROR;
00774 TileIndex tile = start_tile;
00775 bool had_bridge = false;
00776 bool had_tunnel = false;
00777 bool had_success = false;
00778
00779 for (;;) {
00780 RoadBits bits = AxisToRoadBits(axis);
00781
00782
00783 if (tile == end_tile && !HasBit(p2, 1)) bits &= DiagDirToRoadBits(ReverseDiagDir(dir));
00784 if (tile == start_tile && HasBit(p2, 0)) bits &= DiagDirToRoadBits(dir);
00785
00786 CommandCost ret = DoCommand(tile, drd << 6 | rt << 4 | bits, 0, flags, CMD_BUILD_ROAD);
00787 if (ret.Failed()) {
00788 last_error = ret;
00789 if (last_error.GetErrorMessage() != STR_ERROR_ALREADY_BUILT) {
00790 if (HasBit(p2, 6)) return last_error;
00791 break;
00792 }
00793 } else {
00794 had_success = true;
00795
00796 if (IsTileType(tile, MP_TUNNELBRIDGE)) {
00797 if (IsBridge(tile)) {
00798 if (!had_bridge || GetTunnelBridgeDirection(tile) == dir) {
00799 cost.AddCost(ret);
00800 }
00801 had_bridge = true;
00802 } else {
00803 if (!had_tunnel || GetTunnelBridgeDirection(tile) == dir) {
00804 cost.AddCost(ret);
00805 }
00806 had_tunnel = true;
00807 }
00808 } else {
00809 cost.AddCost(ret);
00810 }
00811 }
00812
00813 if (tile == end_tile) break;
00814
00815 tile += TileOffsByDiagDir(dir);
00816 }
00817
00818 return had_success ? cost : last_error;
00819 }
00820
00834 CommandCost CmdRemoveLongRoad(TileIndex start_tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
00835 {
00836 CommandCost cost(EXPENSES_CONSTRUCTION);
00837
00838 if (p1 >= MapSize()) return CMD_ERROR;
00839
00840 TileIndex end_tile = p1;
00841 RoadType rt = Extract<RoadType, 3, 2>(p2);
00842 if (!IsValidRoadType(rt)) return CMD_ERROR;
00843
00844 Axis axis = Extract<Axis, 2, 1>(p2);
00845
00846 if (axis == AXIS_X && TileY(start_tile) != TileY(end_tile)) return CMD_ERROR;
00847 if (axis == AXIS_Y && TileX(start_tile) != TileX(end_tile)) return CMD_ERROR;
00848
00849
00850 if (start_tile > end_tile || (start_tile == end_tile && HasBit(p2, 0))) {
00851 TileIndex t = start_tile;
00852 start_tile = end_tile;
00853 end_tile = t;
00854 p2 ^= IsInsideMM(p2 & 3, 1, 3) ? 3 : 0;
00855 }
00856
00857 Money money = GetAvailableMoneyForCommand();
00858 TileIndex tile = start_tile;
00859 CommandCost last_error = CMD_ERROR;
00860 bool had_success = false;
00861
00862 for (;;) {
00863 RoadBits bits = AxisToRoadBits(axis);
00864
00865 if (tile == end_tile && !HasBit(p2, 1)) bits &= ROAD_NW | ROAD_NE;
00866 if (tile == start_tile && HasBit(p2, 0)) bits &= ROAD_SE | ROAD_SW;
00867
00868
00869 if (bits != 0) {
00870 CommandCost ret = RemoveRoad(tile, flags & ~DC_EXEC, bits, rt, true);
00871 if (ret.Succeeded()) {
00872 if (flags & DC_EXEC) {
00873 money -= ret.GetCost();
00874 if (money < 0) {
00875 _additional_cash_required = DoCommand(start_tile, end_tile, p2, flags & ~DC_EXEC, CMD_REMOVE_LONG_ROAD).GetCost();
00876 return cost;
00877 }
00878 RemoveRoad(tile, flags, bits, rt, true, false);
00879 }
00880 cost.AddCost(ret);
00881 had_success = true;
00882 } else {
00883
00884 if (last_error.GetErrorMessage() != STR_ERROR_OWNED_BY) last_error = ret;
00885 }
00886 }
00887
00888 if (tile == end_tile) break;
00889
00890 tile += (axis == AXIS_Y) ? TileDiffXY(0, 1) : TileDiffXY(1, 0);
00891 }
00892
00893 return had_success ? cost : last_error;
00894 }
00895
00909 CommandCost CmdBuildRoadDepot(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
00910 {
00911 DiagDirection dir = Extract<DiagDirection, 0, 2>(p1);
00912 RoadType rt = Extract<RoadType, 2, 2>(p1);
00913
00914 if (!IsValidRoadType(rt) || !ValParamRoadType(rt)) return CMD_ERROR;
00915
00916 Slope tileh = GetTileSlope(tile, NULL);
00917 if (tileh != SLOPE_FLAT && (
00918 !_settings_game.construction.build_on_slopes ||
00919 IsSteepSlope(tileh) ||
00920 !CanBuildDepotByTileh(dir, tileh)
00921 )) {
00922 return_cmd_error(STR_ERROR_FLAT_LAND_REQUIRED);
00923 }
00924
00925 CommandCost cost = DoCommand(tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR);
00926 if (cost.Failed()) return cost;
00927
00928 if (MayHaveBridgeAbove(tile) && IsBridgeAbove(tile)) return_cmd_error(STR_ERROR_MUST_DEMOLISH_BRIDGE_FIRST);
00929
00930 if (!Depot::CanAllocateItem()) return CMD_ERROR;
00931
00932 if (flags & DC_EXEC) {
00933 Depot *dep = new Depot(tile);
00934 dep->build_date = _date;
00935
00936 MakeRoadDepot(tile, _current_company, dep->index, dir, rt);
00937 MarkTileDirtyByTile(tile);
00938 MakeDefaultName(dep);
00939 }
00940 cost.AddCost(_price[PR_BUILD_DEPOT_ROAD]);
00941 return cost;
00942 }
00943
00944 static CommandCost RemoveRoadDepot(TileIndex tile, DoCommandFlag flags)
00945 {
00946 if (_current_company != OWNER_WATER) {
00947 CommandCost ret = CheckTileOwnership(tile);
00948 if (ret.Failed()) return ret;
00949 }
00950
00951 CommandCost ret = EnsureNoVehicleOnGround(tile);
00952 if (ret.Failed()) return ret;
00953
00954 if (flags & DC_EXEC) {
00955 delete Depot::GetByTile(tile);
00956 DoClearSquare(tile);
00957 }
00958
00959 return CommandCost(EXPENSES_CONSTRUCTION, _price[PR_CLEAR_DEPOT_ROAD]);
00960 }
00961
00962 static CommandCost ClearTile_Road(TileIndex tile, DoCommandFlag flags)
00963 {
00964 switch (GetRoadTileType(tile)) {
00965 case ROAD_TILE_NORMAL: {
00966 RoadBits b = GetAllRoadBits(tile);
00967
00968
00969 if ((HasExactlyOneBit(b) && GetRoadBits(tile, ROADTYPE_TRAM) == ROAD_NONE) || !(flags & DC_AUTO)) {
00970 CommandCost ret(EXPENSES_CONSTRUCTION);
00971 RoadType rt;
00972 FOR_EACH_SET_ROADTYPE(rt, GetRoadTypes(tile)) {
00973 CommandCost tmp_ret = RemoveRoad(tile, flags, GetRoadBits(tile, rt), rt, true);
00974 if (tmp_ret.Failed()) return tmp_ret;
00975 ret.AddCost(tmp_ret);
00976 }
00977 return ret;
00978 }
00979 return_cmd_error(STR_ERROR_MUST_REMOVE_ROAD_FIRST);
00980 }
00981
00982 case ROAD_TILE_CROSSING: {
00983 RoadTypes rts = GetRoadTypes(tile);
00984 CommandCost ret(EXPENSES_CONSTRUCTION);
00985
00986 if (flags & DC_AUTO) return_cmd_error(STR_ERROR_MUST_REMOVE_ROAD_FIRST);
00987
00988
00989
00990 RoadType rt = ROADTYPE_TRAM;
00991 do {
00992 if (HasBit(rts, rt)) {
00993 CommandCost tmp_ret = RemoveRoad(tile, flags, GetCrossingRoadBits(tile), rt, false);
00994 if (tmp_ret.Failed()) return tmp_ret;
00995 ret.AddCost(tmp_ret);
00996 }
00997 } while (rt-- != ROADTYPE_ROAD);
00998
00999 if (flags & DC_EXEC) {
01000 DoCommand(tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR);
01001 }
01002 return ret;
01003 }
01004
01005 default:
01006 case ROAD_TILE_DEPOT:
01007 if (flags & DC_AUTO) {
01008 return_cmd_error(STR_ERROR_BUILDING_MUST_BE_DEMOLISHED);
01009 }
01010 return RemoveRoadDepot(tile, flags);
01011 }
01012 }
01013
01014
01015 struct DrawRoadTileStruct {
01016 uint16 image;
01017 byte subcoord_x;
01018 byte subcoord_y;
01019 };
01020
01021 #include "table/road_land.h"
01022
01030 static Foundation GetRoadFoundation(Slope tileh, RoadBits bits)
01031 {
01032
01033 if (tileh == SLOPE_FLAT || bits == ROAD_NONE) return FOUNDATION_NONE;
01034
01035 if (!IsSteepSlope(tileh)) {
01036
01037 if ((_invalid_tileh_slopes_road[0][tileh] & bits) == ROAD_NONE) return FOUNDATION_LEVELED;
01038
01039
01040 if (!IsSlopeWithOneCornerRaised(tileh) &&
01041 (_invalid_tileh_slopes_road[1][tileh] & bits) == ROAD_NONE)
01042 return FOUNDATION_NONE;
01043 }
01044
01045
01046 return (bits == ROAD_X ? FOUNDATION_INCLINED_X : FOUNDATION_INCLINED_Y);
01047 }
01048
01049 const byte _road_sloped_sprites[14] = {
01050 0, 0, 2, 0,
01051 0, 1, 0, 0,
01052 3, 0, 0, 0,
01053 0, 0
01054 };
01055
01066 static bool AlwaysDrawUnpavedRoads(TileIndex tile, Roadside roadside)
01067 {
01068 return (IsOnSnow(tile) &&
01069 !(_settings_game.game_creation.landscape == LT_TROPIC && HasGrfMiscBit(GMB_DESERT_PAVED_ROADS) &&
01070 roadside != ROADSIDE_BARREN && roadside != ROADSIDE_GRASS && roadside != ROADSIDE_GRASS_ROAD_WORKS));
01071 }
01072
01078 void DrawTramCatenary(const TileInfo *ti, RoadBits tram)
01079 {
01080
01081 if (IsInvisibilitySet(TO_CATENARY)) return;
01082
01083
01084 if (MayHaveBridgeAbove(ti->tile) && IsBridgeAbove(ti->tile) && !IsTransparencySet(TO_CATENARY)) {
01085 uint height = GetBridgeHeight(GetNorthernBridgeEnd(ti->tile));
01086
01087 if (height <= GetTileMaxZ(ti->tile) + TILE_HEIGHT) return;
01088 }
01089
01090 SpriteID front;
01091 SpriteID back;
01092
01093 if (ti->tileh != SLOPE_FLAT) {
01094 back = SPR_TRAMWAY_BACK_WIRES_SLOPED + _road_sloped_sprites[ti->tileh - 1];
01095 front = SPR_TRAMWAY_FRONT_WIRES_SLOPED + _road_sloped_sprites[ti->tileh - 1];
01096 } else {
01097 back = SPR_TRAMWAY_BASE + _road_backpole_sprites_1[tram];
01098 front = SPR_TRAMWAY_BASE + _road_frontwire_sprites_1[tram];
01099 }
01100
01101 AddSortableSpriteToDraw(back, PAL_NONE, ti->x, ti->y, 16, 16, TILE_HEIGHT + BB_HEIGHT_UNDER_BRIDGE, ti->z, IsTransparencySet(TO_CATENARY));
01102 AddSortableSpriteToDraw(front, PAL_NONE, ti->x, ti->y, 16, 16, TILE_HEIGHT + BB_HEIGHT_UNDER_BRIDGE, ti->z, IsTransparencySet(TO_CATENARY));
01103 }
01104
01113 static void DrawRoadDetail(SpriteID img, const TileInfo *ti, int dx, int dy, int h)
01114 {
01115 int x = ti->x | dx;
01116 int y = ti->y | dy;
01117 byte z = ti->z;
01118 if (ti->tileh != SLOPE_FLAT) z = GetSlopeZ(x, y);
01119 AddSortableSpriteToDraw(img, PAL_NONE, x, y, 2, 2, h, z);
01120 }
01121
01126 static void DrawRoadBits(TileInfo *ti)
01127 {
01128 RoadBits road = GetRoadBits(ti->tile, ROADTYPE_ROAD);
01129 RoadBits tram = GetRoadBits(ti->tile, ROADTYPE_TRAM);
01130
01131 SpriteID image = 0;
01132 PaletteID pal = PAL_NONE;
01133
01134 if (ti->tileh != SLOPE_FLAT) {
01135 DrawFoundation(ti, GetRoadFoundation(ti->tileh, road | tram));
01136
01137
01138
01139 if (ti->tileh != SLOPE_FLAT) image = _road_sloped_sprites[ti->tileh - 1] + 0x53F;
01140 }
01141
01142 if (image == 0) image = _road_tile_sprites_1[road != ROAD_NONE ? road : tram];
01143
01144 Roadside roadside = GetRoadside(ti->tile);
01145
01146 if (AlwaysDrawUnpavedRoads(ti->tile, roadside)) {
01147 image += 19;
01148 } else {
01149 switch (roadside) {
01150 case ROADSIDE_BARREN: pal = PALETTE_TO_BARE_LAND; break;
01151 case ROADSIDE_GRASS: break;
01152 case ROADSIDE_GRASS_ROAD_WORKS: break;
01153 default: image -= 19; break;
01154 }
01155 }
01156
01157 DrawGroundSprite(image, pal);
01158
01159
01160
01161
01162 if (tram != ROAD_NONE) {
01163 if (ti->tileh != SLOPE_FLAT) {
01164 image = _road_sloped_sprites[ti->tileh - 1] + SPR_TRAMWAY_SLOPED_OFFSET;
01165 } else {
01166 image = _road_tile_sprites_1[tram] - SPR_ROAD_Y;
01167 }
01168 image += (road == ROAD_NONE) ? SPR_TRAMWAY_TRAM : SPR_TRAMWAY_OVERLAY;
01169 DrawGroundSprite(image, pal);
01170 }
01171
01172 if (road != ROAD_NONE) {
01173 DisallowedRoadDirections drd = GetDisallowedRoadDirections(ti->tile);
01174 if (drd != DRD_NONE) {
01175 DrawGroundSpriteAt(SPR_ONEWAY_BASE + drd - 1 + ((road == ROAD_X) ? 0 : 3), PAL_NONE, 8, 8, GetPartialZ(8, 8, ti->tileh));
01176 }
01177 }
01178
01179 if (HasRoadWorks(ti->tile)) {
01180
01181 DrawGroundSprite((road | tram) & ROAD_X ? SPR_EXCAVATION_X : SPR_EXCAVATION_Y, PAL_NONE);
01182 return;
01183 }
01184
01185 if (tram != ROAD_NONE) DrawTramCatenary(ti, tram);
01186
01187
01188 if (!HasBit(_display_opt, DO_FULL_DETAIL) || _cur_dpi->zoom > ZOOM_LVL_DETAIL) return;
01189
01190
01191 if (MayHaveBridgeAbove(ti->tile) && IsBridgeAbove(ti->tile) && (roadside == ROADSIDE_TREES || roadside == ROADSIDE_STREET_LIGHTS)) {
01192 uint height = GetBridgeHeight(GetNorthernBridgeEnd(ti->tile));
01193 uint minz = GetTileMaxZ(ti->tile) + 2 * TILE_HEIGHT;
01194
01195 if (roadside == ROADSIDE_TREES) minz += TILE_HEIGHT;
01196
01197 if (height < minz) return;
01198 }
01199
01200
01201 if (HasAtMostOneBit(road)) return;
01202
01203
01204 for (const DrawRoadTileStruct *drts = _road_display_table[roadside][road | tram]; drts->image != 0; drts++) {
01205 DrawRoadDetail(drts->image, ti, drts->subcoord_x, drts->subcoord_y, 0x10);
01206 }
01207 }
01208
01210 static void DrawTile_Road(TileInfo *ti)
01211 {
01212 switch (GetRoadTileType(ti->tile)) {
01213 case ROAD_TILE_NORMAL:
01214 DrawRoadBits(ti);
01215 break;
01216
01217 case ROAD_TILE_CROSSING: {
01218 if (ti->tileh != SLOPE_FLAT) DrawFoundation(ti, FOUNDATION_LEVELED);
01219
01220 PaletteID pal = PAL_NONE;
01221 const RailtypeInfo *rti = GetRailTypeInfo(GetRailType(ti->tile));
01222
01223 if (rti->UsesOverlay()) {
01224 Axis axis = GetCrossingRailAxis(ti->tile);
01225 SpriteID road = SPR_ROAD_Y + axis;
01226
01227 Roadside roadside = GetRoadside(ti->tile);
01228
01229 if (AlwaysDrawUnpavedRoads(ti->tile, roadside)) {
01230 road += 19;
01231 } else {
01232 switch (roadside) {
01233 case ROADSIDE_BARREN: pal = PALETTE_TO_BARE_LAND; break;
01234 case ROADSIDE_GRASS: break;
01235 default: road -= 19; break;
01236 }
01237 }
01238
01239 DrawGroundSprite(road, pal);
01240
01241 SpriteID rail = GetCustomRailSprite(rti, ti->tile, RTSG_CROSSING) + axis;
01242
01243 pal = (_game_mode != GM_MENU && _settings_client.gui.show_track_reservation && HasCrossingReservation(ti->tile)) ? PALETTE_CRASH : PAL_NONE;
01244 DrawGroundSprite(rail, pal);
01245
01246 DrawRailTileSeq(ti, &_crossing_layout, TO_CATENARY, rail, 0, PAL_NONE);
01247 } else {
01248 SpriteID image = rti->base_sprites.crossing;
01249
01250 if (GetCrossingRoadAxis(ti->tile) == AXIS_X) image++;
01251 if (IsCrossingBarred(ti->tile)) image += 2;
01252
01253 Roadside roadside = GetRoadside(ti->tile);
01254
01255 if (AlwaysDrawUnpavedRoads(ti->tile, roadside)) {
01256 image += 8;
01257 } else {
01258 switch (roadside) {
01259 case ROADSIDE_BARREN: pal = PALETTE_TO_BARE_LAND; break;
01260 case ROADSIDE_GRASS: break;
01261 default: image += 4; break;
01262 }
01263 }
01264
01265 DrawGroundSprite(image, pal);
01266
01267
01268 if (_game_mode != GM_MENU && _settings_client.gui.show_track_reservation && HasCrossingReservation(ti->tile)) {
01269 DrawGroundSprite(GetCrossingRoadAxis(ti->tile) == AXIS_Y ? GetRailTypeInfo(GetRailType(ti->tile))->base_sprites.single_x : GetRailTypeInfo(GetRailType(ti->tile))->base_sprites.single_y, PALETTE_CRASH);
01270 }
01271 }
01272
01273 if (HasTileRoadType(ti->tile, ROADTYPE_TRAM)) {
01274 DrawGroundSprite(SPR_TRAMWAY_OVERLAY + (GetCrossingRoadAxis(ti->tile) ^ 1), pal);
01275 DrawTramCatenary(ti, GetCrossingRoadBits(ti->tile));
01276 }
01277 if (HasCatenaryDrawn(GetRailType(ti->tile))) DrawCatenary(ti);
01278 break;
01279 }
01280
01281 default:
01282 case ROAD_TILE_DEPOT: {
01283 if (ti->tileh != SLOPE_FLAT) DrawFoundation(ti, FOUNDATION_LEVELED);
01284
01285 PaletteID palette = COMPANY_SPRITE_COLOUR(GetTileOwner(ti->tile));
01286
01287 const DrawTileSprites *dts;
01288 if (HasTileRoadType(ti->tile, ROADTYPE_TRAM)) {
01289 dts = &_tram_depot[GetRoadDepotDirection(ti->tile)];
01290 } else {
01291 dts = &_road_depot[GetRoadDepotDirection(ti->tile)];
01292 }
01293
01294 DrawGroundSprite(dts->ground.sprite, PAL_NONE);
01295 DrawOrigTileSeq(ti, dts, TO_BUILDINGS, palette);
01296 break;
01297 }
01298 }
01299 DrawBridgeMiddle(ti);
01300 }
01301
01302 void DrawRoadDepotSprite(int x, int y, DiagDirection dir, RoadType rt)
01303 {
01304 PaletteID palette = COMPANY_SPRITE_COLOUR(_local_company);
01305 const DrawTileSprites *dts = (rt == ROADTYPE_TRAM) ? &_tram_depot[dir] : &_road_depot[dir];
01306
01307 x += 33;
01308 y += 17;
01309
01310 DrawSprite(dts->ground.sprite, PAL_NONE, x, y);
01311 DrawOrigTileSeqInGUI(x, y, dts, palette);
01312 }
01313
01319 void UpdateNearestTownForRoadTiles(bool invalidate)
01320 {
01321 assert(!invalidate || _generating_world);
01322
01323 for (TileIndex t = 0; t < MapSize(); t++) {
01324 if (IsTileType(t, MP_ROAD) && !IsRoadDepot(t) && !HasTownOwnedRoad(t)) {
01325 TownID tid = (TownID)INVALID_TOWN;
01326 if (!invalidate) {
01327 const Town *town = CalcClosestTownFromTile(t);
01328 if (town != NULL) tid = town->index;
01329 }
01330 SetTownIndex(t, tid);
01331 }
01332 }
01333 }
01334
01335 static uint GetSlopeZ_Road(TileIndex tile, uint x, uint y)
01336 {
01337 uint z;
01338 Slope tileh = GetTileSlope(tile, &z);
01339
01340 if (tileh == SLOPE_FLAT) return z;
01341 if (IsNormalRoad(tile)) {
01342 Foundation f = GetRoadFoundation(tileh, GetAllRoadBits(tile));
01343 z += ApplyFoundationToSlope(f, &tileh);
01344 return z + GetPartialZ(x & 0xF, y & 0xF, tileh);
01345 } else {
01346 return z + TILE_HEIGHT;
01347 }
01348 }
01349
01350 static Foundation GetFoundation_Road(TileIndex tile, Slope tileh)
01351 {
01352 if (IsNormalRoad(tile)) {
01353 return GetRoadFoundation(tileh, GetAllRoadBits(tile));
01354 } else {
01355 return FlatteningFoundation(tileh);
01356 }
01357 }
01358
01359 static const Roadside _town_road_types[][2] = {
01360 { ROADSIDE_GRASS, ROADSIDE_GRASS },
01361 { ROADSIDE_PAVED, ROADSIDE_PAVED },
01362 { ROADSIDE_PAVED, ROADSIDE_PAVED },
01363 { ROADSIDE_TREES, ROADSIDE_TREES },
01364 { ROADSIDE_STREET_LIGHTS, ROADSIDE_PAVED }
01365 };
01366
01367 static const Roadside _town_road_types_2[][2] = {
01368 { ROADSIDE_GRASS, ROADSIDE_GRASS },
01369 { ROADSIDE_PAVED, ROADSIDE_PAVED },
01370 { ROADSIDE_STREET_LIGHTS, ROADSIDE_PAVED },
01371 { ROADSIDE_STREET_LIGHTS, ROADSIDE_PAVED },
01372 { ROADSIDE_STREET_LIGHTS, ROADSIDE_PAVED }
01373 };
01374
01375
01376 static void TileLoop_Road(TileIndex tile)
01377 {
01378 switch (_settings_game.game_creation.landscape) {
01379 case LT_ARCTIC:
01380 if (IsOnSnow(tile) != (GetTileZ(tile) > GetSnowLine())) {
01381 ToggleSnow(tile);
01382 MarkTileDirtyByTile(tile);
01383 }
01384 break;
01385
01386 case LT_TROPIC:
01387 if (GetTropicZone(tile) == TROPICZONE_DESERT && !IsOnDesert(tile)) {
01388 ToggleDesert(tile);
01389 MarkTileDirtyByTile(tile);
01390 }
01391 break;
01392 }
01393
01394 if (IsRoadDepot(tile)) return;
01395
01396 const Town *t = ClosestTownFromTile(tile, UINT_MAX);
01397 if (!HasRoadWorks(tile)) {
01398 HouseZonesBits grp = HZB_TOWN_EDGE;
01399
01400 if (t != NULL) {
01401 grp = GetTownRadiusGroup(t, tile);
01402
01403
01404 if (t->road_build_months != 0 &&
01405 (DistanceManhattan(t->xy, tile) < 8 || grp != HZB_TOWN_EDGE) &&
01406 IsNormalRoad(tile) && !HasAtMostOneBit(GetAllRoadBits(tile))) {
01407 if (GetFoundationSlope(tile, NULL) == SLOPE_FLAT && EnsureNoVehicleOnGround(tile).Succeeded() && Chance16(1, 40)) {
01408 StartRoadWorks(tile);
01409
01410 SndPlayTileFx(SND_21_JACKHAMMER, tile);
01411 CreateEffectVehicleAbove(
01412 TileX(tile) * TILE_SIZE + 7,
01413 TileY(tile) * TILE_SIZE + 7,
01414 0,
01415 EV_BULLDOZER);
01416 MarkTileDirtyByTile(tile);
01417 return;
01418 }
01419 }
01420 }
01421
01422 {
01423
01424 const Roadside *new_rs = (_settings_game.game_creation.landscape == LT_TOYLAND) ? _town_road_types_2[grp] : _town_road_types[grp];
01425 Roadside cur_rs = GetRoadside(tile);
01426
01427
01428 if (cur_rs == new_rs[0]) return;
01429
01430
01431 if (cur_rs == new_rs[1]) {
01432 cur_rs = new_rs[0];
01433
01434 } else if (cur_rs == ROADSIDE_BARREN) {
01435 cur_rs = new_rs[1];
01436
01437 } else {
01438 cur_rs = ROADSIDE_BARREN;
01439 }
01440 SetRoadside(tile, cur_rs);
01441 MarkTileDirtyByTile(tile);
01442 }
01443 } else if (IncreaseRoadWorksCounter(tile)) {
01444 TerminateRoadWorks(tile);
01445
01446 if (_settings_game.economy.mod_road_rebuild) {
01447
01448 const RoadBits old_rb = GetAnyRoadBits(tile, ROADTYPE_ROAD);
01449 const RoadBits new_rb = CleanUpRoadBits(tile, old_rb);
01450
01451 if (old_rb != new_rb) {
01452 RemoveRoad(tile, DC_EXEC | DC_AUTO | DC_NO_WATER, (old_rb ^ new_rb), ROADTYPE_ROAD, true);
01453 }
01454 }
01455
01456 MarkTileDirtyByTile(tile);
01457 }
01458 }
01459
01460 static bool ClickTile_Road(TileIndex tile)
01461 {
01462 if (!IsRoadDepot(tile)) return false;
01463
01464 ShowDepotWindow(tile, VEH_ROAD);
01465 return true;
01466 }
01467
01468
01469 static const byte _road_trackbits[16] = {
01470 0x0, 0x0, 0x0, 0x10, 0x0, 0x2, 0x8, 0x1A, 0x0, 0x4, 0x1, 0x15, 0x20, 0x26, 0x29, 0x3F,
01471 };
01472
01473 static TrackStatus GetTileTrackStatus_Road(TileIndex tile, TransportType mode, uint sub_mode, DiagDirection side)
01474 {
01475 TrackdirBits trackdirbits = TRACKDIR_BIT_NONE;
01476 TrackdirBits red_signals = TRACKDIR_BIT_NONE;
01477 switch (mode) {
01478 case TRANSPORT_RAIL:
01479 if (IsLevelCrossing(tile)) trackdirbits = TrackBitsToTrackdirBits(GetCrossingRailBits(tile));
01480 break;
01481
01482 case TRANSPORT_ROAD:
01483 if ((GetRoadTypes(tile) & sub_mode) == 0) break;
01484 switch (GetRoadTileType(tile)) {
01485 case ROAD_TILE_NORMAL: {
01486 const uint drd_to_multiplier[DRD_END] = { 0x101, 0x100, 0x1, 0x0 };
01487 RoadType rt = (RoadType)FindFirstBit(sub_mode);
01488 RoadBits bits = GetRoadBits(tile, rt);
01489
01490
01491 if (side != INVALID_DIAGDIR && (DiagDirToRoadBits(side) & bits) == 0) break;
01492
01493 uint multiplier = drd_to_multiplier[rt == ROADTYPE_TRAM ? DRD_NONE : GetDisallowedRoadDirections(tile)];
01494 if (!HasRoadWorks(tile)) trackdirbits = (TrackdirBits)(_road_trackbits[bits] * multiplier);
01495 break;
01496 }
01497
01498 case ROAD_TILE_CROSSING: {
01499 Axis axis = GetCrossingRoadAxis(tile);
01500
01501 if (side != INVALID_DIAGDIR && axis != DiagDirToAxis(side)) break;
01502
01503 trackdirbits = TrackBitsToTrackdirBits(AxisToTrackBits(axis));
01504 if (IsCrossingBarred(tile)) red_signals = trackdirbits;
01505 break;
01506 }
01507
01508 default:
01509 case ROAD_TILE_DEPOT: {
01510 DiagDirection dir = GetRoadDepotDirection(tile);
01511
01512 if (side != INVALID_DIAGDIR && side != dir) break;
01513
01514 trackdirbits = TrackBitsToTrackdirBits(DiagDirToDiagTrackBits(dir));
01515 break;
01516 }
01517 }
01518 break;
01519
01520 default: break;
01521 }
01522 return CombineTrackStatus(trackdirbits, red_signals);
01523 }
01524
01525 static const StringID _road_tile_strings[] = {
01526 STR_LAI_ROAD_DESCRIPTION_ROAD,
01527 STR_LAI_ROAD_DESCRIPTION_ROAD,
01528 STR_LAI_ROAD_DESCRIPTION_ROAD,
01529 STR_LAI_ROAD_DESCRIPTION_ROAD_WITH_STREETLIGHTS,
01530 STR_LAI_ROAD_DESCRIPTION_ROAD,
01531 STR_LAI_ROAD_DESCRIPTION_TREE_LINED_ROAD,
01532 STR_LAI_ROAD_DESCRIPTION_ROAD,
01533 STR_LAI_ROAD_DESCRIPTION_ROAD,
01534 };
01535
01536 static void GetTileDesc_Road(TileIndex tile, TileDesc *td)
01537 {
01538 Owner rail_owner = INVALID_OWNER;
01539 Owner road_owner = INVALID_OWNER;
01540 Owner tram_owner = INVALID_OWNER;
01541
01542 switch (GetRoadTileType(tile)) {
01543 case ROAD_TILE_CROSSING: {
01544 td->str = STR_LAI_ROAD_DESCRIPTION_ROAD_RAIL_LEVEL_CROSSING;
01545 RoadTypes rts = GetRoadTypes(tile);
01546 rail_owner = GetTileOwner(tile);
01547 if (HasBit(rts, ROADTYPE_ROAD)) road_owner = GetRoadOwner(tile, ROADTYPE_ROAD);
01548 if (HasBit(rts, ROADTYPE_TRAM)) tram_owner = GetRoadOwner(tile, ROADTYPE_TRAM);
01549
01550 const RailtypeInfo *rti = GetRailTypeInfo(GetRailType(tile));
01551 td->rail_speed = rti->max_speed;
01552
01553 break;
01554 }
01555
01556 case ROAD_TILE_DEPOT:
01557 td->str = STR_LAI_ROAD_DESCRIPTION_ROAD_VEHICLE_DEPOT;
01558 road_owner = GetTileOwner(tile);
01559 td->build_date = Depot::GetByTile(tile)->build_date;
01560 break;
01561
01562 default: {
01563 RoadTypes rts = GetRoadTypes(tile);
01564 td->str = (HasBit(rts, ROADTYPE_ROAD) ? _road_tile_strings[GetRoadside(tile)] : STR_LAI_ROAD_DESCRIPTION_TRAMWAY);
01565 if (HasBit(rts, ROADTYPE_ROAD)) road_owner = GetRoadOwner(tile, ROADTYPE_ROAD);
01566 if (HasBit(rts, ROADTYPE_TRAM)) tram_owner = GetRoadOwner(tile, ROADTYPE_TRAM);
01567 break;
01568 }
01569 }
01570
01571
01572
01573
01574
01575
01576 Owner first_owner = (road_owner == INVALID_OWNER ? tram_owner : road_owner);
01577 bool mixed_owners = (tram_owner != INVALID_OWNER && tram_owner != first_owner) || (rail_owner != INVALID_OWNER && rail_owner != first_owner);
01578
01579 if (mixed_owners) {
01580
01581 td->owner_type[0] = (rail_owner == INVALID_OWNER ? STR_NULL : STR_LAND_AREA_INFORMATION_RAIL_OWNER);
01582 td->owner[0] = rail_owner;
01583 td->owner_type[1] = (road_owner == INVALID_OWNER ? STR_NULL : STR_LAND_AREA_INFORMATION_ROAD_OWNER);
01584 td->owner[1] = road_owner;
01585 td->owner_type[2] = (tram_owner == INVALID_OWNER ? STR_NULL : STR_LAND_AREA_INFORMATION_TRAM_OWNER);
01586 td->owner[2] = tram_owner;
01587 } else {
01588
01589 td->owner[0] = first_owner;
01590 }
01591 }
01592
01597 static const byte _roadveh_enter_depot_dir[4] = {
01598 TRACKDIR_X_SW, TRACKDIR_Y_NW, TRACKDIR_X_NE, TRACKDIR_Y_SE
01599 };
01600
01601 static VehicleEnterTileStatus VehicleEnter_Road(Vehicle *v, TileIndex tile, int x, int y)
01602 {
01603 switch (GetRoadTileType(tile)) {
01604 case ROAD_TILE_DEPOT: {
01605 if (v->type != VEH_ROAD) break;
01606
01607 RoadVehicle *rv = RoadVehicle::From(v);
01608 if (rv->frame == RVC_DEPOT_STOP_FRAME &&
01609 _roadveh_enter_depot_dir[GetRoadDepotDirection(tile)] == rv->state) {
01610 rv->state = RVSB_IN_DEPOT;
01611 rv->vehstatus |= VS_HIDDEN;
01612 rv->direction = ReverseDir(rv->direction);
01613 if (rv->Next() == NULL) VehicleEnterDepot(rv->First());
01614 rv->tile = tile;
01615
01616 InvalidateWindowData(WC_VEHICLE_DEPOT, rv->tile);
01617 return VETSB_ENTERED_WORMHOLE;
01618 }
01619 break;
01620 }
01621
01622 default: break;
01623 }
01624 return VETSB_CONTINUE;
01625 }
01626
01627
01628 static void ChangeTileOwner_Road(TileIndex tile, Owner old_owner, Owner new_owner)
01629 {
01630 if (IsRoadDepot(tile)) {
01631 if (GetTileOwner(tile) == old_owner) {
01632 if (new_owner == INVALID_OWNER) {
01633 DoCommand(tile, 0, 0, DC_EXEC | DC_BANKRUPT, CMD_LANDSCAPE_CLEAR);
01634 } else {
01635 SetTileOwner(tile, new_owner);
01636 }
01637 }
01638 return;
01639 }
01640
01641 for (RoadType rt = ROADTYPE_ROAD; rt < ROADTYPE_END; rt++) {
01642
01643 if (GetRoadOwner(tile, rt) == old_owner) {
01644 SetRoadOwner(tile, rt, new_owner == INVALID_OWNER ? OWNER_NONE : new_owner);
01645 }
01646 }
01647
01648 if (IsLevelCrossing(tile)) {
01649 if (GetTileOwner(tile) == old_owner) {
01650 if (new_owner == INVALID_OWNER) {
01651 DoCommand(tile, 0, GetCrossingRailTrack(tile), DC_EXEC | DC_BANKRUPT, CMD_REMOVE_SINGLE_RAIL);
01652 } else {
01653 SetTileOwner(tile, new_owner);
01654 }
01655 }
01656 }
01657 }
01658
01659 static CommandCost TerraformTile_Road(TileIndex tile, DoCommandFlag flags, uint z_new, Slope tileh_new)
01660 {
01661 if (_settings_game.construction.build_on_slopes && AutoslopeEnabled()) {
01662 switch (GetRoadTileType(tile)) {
01663 case ROAD_TILE_CROSSING:
01664 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]);
01665 break;
01666
01667 case ROAD_TILE_DEPOT:
01668 if (AutoslopeCheckForEntranceEdge(tile, z_new, tileh_new, GetRoadDepotDirection(tile))) return CommandCost(EXPENSES_CONSTRUCTION, _price[PR_BUILD_FOUNDATION]);
01669 break;
01670
01671 case ROAD_TILE_NORMAL: {
01672 RoadBits bits = GetAllRoadBits(tile);
01673 RoadBits bits_copy = bits;
01674
01675 if (CheckRoadSlope(tileh_new, &bits_copy, ROAD_NONE, ROAD_NONE).Succeeded()) {
01676
01677 if (bits == bits_copy) {
01678 uint z_old;
01679 Slope tileh_old = GetTileSlope(tile, &z_old);
01680
01681
01682 z_old += ApplyFoundationToSlope(GetRoadFoundation(tileh_old, bits), &tileh_old);
01683 z_new += ApplyFoundationToSlope(GetRoadFoundation(tileh_new, bits), &tileh_new);
01684
01685
01686 if ((z_old == z_new) && (tileh_old == tileh_new)) return CommandCost(EXPENSES_CONSTRUCTION, _price[PR_BUILD_FOUNDATION]);
01687 }
01688 }
01689 break;
01690 }
01691
01692 default: NOT_REACHED();
01693 }
01694 }
01695
01696 return DoCommand(tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR);
01697 }
01698
01700 extern const TileTypeProcs _tile_type_road_procs = {
01701 DrawTile_Road,
01702 GetSlopeZ_Road,
01703 ClearTile_Road,
01704 NULL,
01705 GetTileDesc_Road,
01706 GetTileTrackStatus_Road,
01707 ClickTile_Road,
01708 NULL,
01709 TileLoop_Road,
01710 ChangeTileOwner_Road,
01711 NULL,
01712 VehicleEnter_Road,
01713 GetFoundation_Road,
01714 TerraformTile_Road,
01715 };