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00012 #include "stdafx.h"
00013 #include "cmd_helper.h"
00014 #include "road_internal.h"
00015 #include "landscape.h"
00016 #include "viewport_func.h"
00017 #include "command_func.h"
00018 #include "pathfinder/yapf/yapf_cache.h"
00019 #include "depot_base.h"
00020 #include "newgrf.h"
00021 #include "variables.h"
00022 #include "autoslope.h"
00023 #include "tunnelbridge_map.h"
00024 #include "window_func.h"
00025 #include "strings_func.h"
00026 #include "vehicle_func.h"
00027 #include "sound_func.h"
00028 #include "tunnelbridge.h"
00029 #include "cheat_type.h"
00030 #include "functions.h"
00031 #include "effectvehicle_func.h"
00032 #include "effectvehicle_base.h"
00033 #include "elrail_func.h"
00034 #include "roadveh.h"
00035 #include "town.h"
00036 #include "company_base.h"
00037 #include "core/random_func.hpp"
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
00053 #define M(x) (1 << (x))
00054
00055 static const uint32 VALID_LEVEL_CROSSING_SLOPES = (M(SLOPE_SEN) | M(SLOPE_ENW) | M(SLOPE_NWS) | M(SLOPE_NS) | M(SLOPE_WSE) | M(SLOPE_EW) | M(SLOPE_FLAT));
00056 #undef M
00057
00058
00059 static const RoadBits _invalid_tileh_slopes_road[2][15] = {
00060
00061 {
00062 ROAD_NONE,
00063 ROAD_NE | ROAD_SE,
00064 ROAD_NE | ROAD_NW,
00065
00066 ROAD_NE,
00067 ROAD_NW | ROAD_SW,
00068 ROAD_NONE,
00069
00070 ROAD_NW,
00071 ROAD_NONE,
00072 ROAD_SE | ROAD_SW,
00073
00074 ROAD_SE,
00075 ROAD_NONE,
00076 ROAD_NONE,
00077
00078 ROAD_SW,
00079 ROAD_NONE,
00080 ROAD_NONE
00081 },
00082
00083
00084 {
00085 ROAD_NONE,
00086 ROAD_NONE,
00087 ROAD_NONE,
00088
00089 ROAD_Y,
00090 ROAD_NONE,
00091 ROAD_ALL,
00092
00093 ROAD_X,
00094 ROAD_ALL,
00095 ROAD_NONE,
00096
00097 ROAD_X,
00098 ROAD_ALL,
00099 ROAD_ALL,
00100
00101 ROAD_Y,
00102 ROAD_ALL,
00103 ROAD_ALL
00104 }
00105 };
00106
00107 static Foundation GetRoadFoundation(Slope tileh, RoadBits bits);
00108
00119 bool CheckAllowRemoveRoad(TileIndex tile, RoadBits remove, Owner owner, RoadType rt, DoCommandFlag flags, bool town_check)
00120 {
00121 if (_game_mode == GM_EDITOR || remove == ROAD_NONE) return true;
00122
00123
00124
00125
00126 if (_current_company == OWNER_WATER ||
00127 (rt == ROADTYPE_ROAD && !Company::IsValidID(_current_company))) return true;
00128
00129
00130
00131 if (owner != OWNER_TOWN) return (owner == OWNER_NONE) || CheckOwnership(owner);
00132
00133 if (!town_check) return true;
00134
00135 if (_cheats.magic_bulldozer.value) return true;
00136
00137 Town *t = ClosestTownFromTile(tile, UINT_MAX);
00138 if (t == NULL) return true;
00139
00140
00141
00142 if (!CheckforTownRating(flags, t, ROAD_REMOVE)) return false;
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 _error_message = STR_ERROR_LOCAL_AUTHORITY_REFUSES_TO_ALLOW_THIS;
00160 return false;
00161 }
00162 rating_decrease = RATING_ROAD_DOWN_STEP_INNER;
00163 }
00164 ChangeTownRating(t, rating_decrease, RATING_ROAD_MINIMUM, flags);
00165
00166 return true;
00167 }
00168
00169
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;
00183
00184 switch (GetTileType(tile)) {
00185 case MP_ROAD:
00186 if (!EnsureNoVehicleOnGround(tile)) return CMD_ERROR;
00187 break;
00188
00189 case MP_STATION:
00190 if (!IsDriveThroughStopTile(tile)) return CMD_ERROR;
00191 if (!EnsureNoVehicleOnGround(tile)) return CMD_ERROR;
00192 break;
00193
00194 case MP_TUNNELBRIDGE:
00195 if (GetTunnelBridgeTransportType(tile) != TRANSPORT_ROAD) return CMD_ERROR;
00196 if (HasVehicleOnTunnelBridge(tile, GetOtherTunnelBridgeEnd(tile))) return CMD_ERROR;
00197 break;
00198
00199 default:
00200 return CMD_ERROR;
00201 }
00202
00203 if (!CheckAllowRemoveRoad(tile, pieces, GetRoadOwner(tile, rt), rt, flags, town_check)) return CMD_ERROR;
00204
00205 if (!IsTileType(tile, MP_ROAD)) {
00206
00207 if (rts == RoadTypeToRoadTypes(rt)) return DoCommand(tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR);
00208
00209 CommandCost cost(EXPENSES_CONSTRUCTION);
00210 if (IsTileType(tile, MP_TUNNELBRIDGE)) {
00211 TileIndex other_end = GetOtherTunnelBridgeEnd(tile);
00212
00213 cost.AddCost((GetTunnelBridgeLength(other_end, tile) + 2) * _price[PR_CLEAR_ROAD]);
00214 if (flags & DC_EXEC) {
00215 SetRoadTypes(other_end, GetRoadTypes(other_end) & ~RoadTypeToRoadTypes(rt));
00216 SetRoadTypes(tile, GetRoadTypes(tile) & ~RoadTypeToRoadTypes(rt));
00217
00218
00219
00220 RoadType other_rt = (rt == ROADTYPE_ROAD) ? ROADTYPE_TRAM : ROADTYPE_ROAD;
00221 Owner other_owner = GetRoadOwner(tile, other_rt);
00222 if (other_owner != GetTileOwner(tile)) {
00223 SetTileOwner(tile, other_owner);
00224 SetTileOwner(other_end, other_owner);
00225 }
00226
00227
00228 MarkTileDirtyByTile(tile);
00229 MarkTileDirtyByTile(other_end);
00230 if (IsBridge(tile)) {
00231 TileIndexDiff delta = TileOffsByDiagDir(GetTunnelBridgeDirection(tile));
00232
00233 for (TileIndex t = tile + delta; t != other_end; t += delta) MarkTileDirtyByTile(t);
00234 }
00235 }
00236 } else {
00237 assert(IsDriveThroughStopTile(tile));
00238 cost.AddCost(_price[PR_CLEAR_ROAD] * 2);
00239 if (flags & DC_EXEC) {
00240 SetRoadTypes(tile, GetRoadTypes(tile) & ~RoadTypeToRoadTypes(rt));
00241 MarkTileDirtyByTile(tile);
00242 }
00243 }
00244 return cost;
00245 }
00246
00247 switch (GetRoadTileType(tile)) {
00248 case ROAD_TILE_NORMAL: {
00249 const Slope tileh = GetTileSlope(tile, NULL);
00250 RoadBits present = GetRoadBits(tile, rt);
00251 const RoadBits other = GetOtherRoadBits(tile, rt);
00252 const Foundation f = GetRoadFoundation(tileh, present);
00253
00254 if (HasRoadWorks(tile) && _current_company != OWNER_WATER) return_cmd_error(STR_ERROR_ROAD_WORKS_IN_PROGRESS);
00255
00256
00257
00258
00259
00260 if (IsSteepSlope(tileh) || (IsStraightRoad(other) &&
00261 (other & _invalid_tileh_slopes_road[0][tileh & SLOPE_ELEVATED]) != ROAD_NONE) ||
00262 (tileh != SLOPE_FLAT && !_settings_game.construction.build_on_slopes)) {
00263 pieces |= MirrorRoadBits(pieces);
00264 }
00265
00266
00267 pieces &= present;
00268 if (pieces == ROAD_NONE) return CMD_ERROR;
00269
00270
00271 present ^= pieces;
00272
00273
00274 if (tileh != SLOPE_FLAT && present != ROAD_NONE &&
00275 (present & _invalid_tileh_slopes_road[0][tileh & SLOPE_ELEVATED]) == present) {
00276 return CMD_ERROR;
00277 }
00278
00279 if (flags & DC_EXEC) {
00280 if (HasRoadWorks(tile)) {
00281
00282 assert(_current_company == OWNER_WATER);
00283 EffectVehicle *v;
00284 FOR_ALL_EFFECTVEHICLES(v) {
00285 if (TileVirtXY(v->x_pos, v->y_pos) == tile) {
00286 delete v;
00287 }
00288 }
00289 }
00290 if (present == ROAD_NONE) {
00291 RoadTypes rts = GetRoadTypes(tile) & ComplementRoadTypes(RoadTypeToRoadTypes(rt));
00292 if (rts == ROADTYPES_NONE) {
00293
00294 DoClearSquare(tile);
00295 } else {
00296 if (rt == ROADTYPE_ROAD && IsRoadOwner(tile, ROADTYPE_ROAD, OWNER_TOWN)) {
00297
00298 const Town *town = CalcClosestTownFromTile(tile);
00299 SetTownIndex(tile, town == NULL ? (TownID)INVALID_TOWN : town->index);
00300 }
00301 SetRoadBits(tile, ROAD_NONE, rt);
00302 SetRoadTypes(tile, rts);
00303 MarkTileDirtyByTile(tile);
00304 }
00305 } else {
00306
00307
00308
00309 if (rt != ROADTYPE_TRAM) SetDisallowedRoadDirections(tile, DRD_NONE);
00310 SetRoadBits(tile, present, rt);
00311 MarkTileDirtyByTile(tile);
00312 }
00313 }
00314
00315
00316 return CommandCost(EXPENSES_CONSTRUCTION, CountBits(pieces) * _price[PR_CLEAR_ROAD] +
00317 ((GetRoadFoundation(tileh, present) != f) ? _price[PR_BUILD_FOUNDATION] : (Money)0));
00318 }
00319
00320 case ROAD_TILE_CROSSING: {
00321 if (pieces & ComplementRoadBits(GetCrossingRoadBits(tile))) {
00322 return CMD_ERROR;
00323 }
00324
00325
00326
00327 if (rt == ROADTYPE_ROAD && HasTileRoadType(tile, ROADTYPE_TRAM) && (flags & DC_EXEC || crossing_check)) return CMD_ERROR;
00328
00329 if (flags & DC_EXEC) {
00330 Track railtrack = GetCrossingRailTrack(tile);
00331 RoadTypes rts = GetRoadTypes(tile) & ComplementRoadTypes(RoadTypeToRoadTypes(rt));
00332 if (rts == ROADTYPES_NONE) {
00333 TrackBits tracks = GetCrossingRailBits(tile);
00334 bool reserved = HasCrossingReservation(tile);
00335 MakeRailNormal(tile, GetTileOwner(tile), tracks, GetRailType(tile));
00336 if (reserved) SetTrackReservation(tile, tracks);
00337 } else {
00338 SetRoadTypes(tile, rts);
00339
00340 }
00341 MarkTileDirtyByTile(tile);
00342 YapfNotifyTrackLayoutChange(tile, railtrack);
00343 }
00344 return CommandCost(EXPENSES_CONSTRUCTION, _price[PR_CLEAR_ROAD] * 2);
00345 }
00346
00347 default:
00348 case ROAD_TILE_DEPOT:
00349 return CMD_ERROR;
00350 }
00351 }
00352
00353
00363 CommandCost CmdRemoveRoad(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
00364 {
00365 RoadType rt = (RoadType)GB(p1, 4, 2);
00366 if (!IsValidRoadType(rt)) return CMD_ERROR;
00367
00368 RoadBits pieces = Extract<RoadBits, 0>(p1);
00369
00370 return RemoveRoad(tile, flags, pieces, rt, true);
00371 }
00372
00384 static CommandCost CheckRoadSlope(Slope tileh, RoadBits *pieces, RoadBits existing, RoadBits other)
00385 {
00386
00387 CLRBITS(*pieces, existing);
00388
00389
00390 if (*pieces == ROAD_NONE) return CMD_ERROR;
00391
00392
00393 if (tileh == SLOPE_FLAT) return CommandCost();
00394
00395
00396 if (IsSteepSlope(tileh)) {
00397
00398 *pieces |= MirrorRoadBits(*pieces);
00399
00400
00401
00402 existing |= other;
00403
00404 if ((existing == ROAD_NONE || existing == *pieces) && IsStraightRoad(*pieces)) {
00405 return CommandCost(EXPENSES_CONSTRUCTION, _price[PR_BUILD_FOUNDATION]);
00406 }
00407 return CMD_ERROR;
00408 }
00409
00410
00411 RoadBits type_bits = existing | *pieces;
00412
00413
00414 if (_settings_game.construction.build_on_slopes && (_invalid_tileh_slopes_road[0][tileh] & (other | type_bits)) == ROAD_NONE) {
00415
00416
00417 if ((other | existing) == ROAD_NONE) return CommandCost(EXPENSES_CONSTRUCTION, _price[PR_BUILD_FOUNDATION]);
00418
00419 return CommandCost();
00420 }
00421
00422
00423 *pieces |= MirrorRoadBits(*pieces);
00424 type_bits = existing | *pieces;
00425
00426
00427 if (IsStraightRoad(type_bits) && (other == type_bits || other == ROAD_NONE) &&
00428 (_invalid_tileh_slopes_road[1][tileh] & (other | type_bits)) == ROAD_NONE) {
00429
00430
00431 if (IsSlopeWithOneCornerRaised(tileh)) {
00432
00433
00434 if (_settings_game.construction.build_on_slopes) {
00435
00436
00437 if ((other | existing) == ROAD_NONE) return CommandCost(EXPENSES_CONSTRUCTION, _price[PR_BUILD_FOUNDATION]);
00438
00439 return CommandCost();
00440 }
00441 } else {
00442 if (CountBits(existing) == 1) return CommandCost(EXPENSES_CONSTRUCTION, _price[PR_BUILD_FOUNDATION]);
00443 return CommandCost();
00444 }
00445 }
00446 return CMD_ERROR;
00447 }
00448
00459 CommandCost CmdBuildRoad(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
00460 {
00461 CommandCost cost(EXPENSES_CONSTRUCTION);
00462
00463 RoadBits existing = ROAD_NONE;
00464 RoadBits other_bits = ROAD_NONE;
00465
00466
00467
00468 if ((Company::IsValidID(_current_company) && p2 != 0) || (_current_company == OWNER_TOWN && !Town::IsValidID(p2))) return CMD_ERROR;
00469 if (_current_company != OWNER_TOWN) {
00470 const Town *town = CalcClosestTownFromTile(tile);
00471 p2 = (town != NULL) ? town->index : (TownID)INVALID_TOWN;
00472 }
00473
00474 RoadBits pieces = Extract<RoadBits, 0>(p1);
00475
00476
00477 if (pieces == ROAD_NONE) return CMD_ERROR;
00478
00479 RoadType rt = (RoadType)GB(p1, 4, 2);
00480 if (!IsValidRoadType(rt) || !ValParamRoadType(rt)) return CMD_ERROR;
00481
00482 DisallowedRoadDirections toggle_drd = (DisallowedRoadDirections)GB(p1, 6, 2);
00483
00484 Slope tileh = GetTileSlope(tile, NULL);
00485
00486 switch (GetTileType(tile)) {
00487 case MP_ROAD:
00488 switch (GetRoadTileType(tile)) {
00489 case ROAD_TILE_NORMAL: {
00490 if (HasRoadWorks(tile)) return_cmd_error(STR_ERROR_ROAD_WORKS_IN_PROGRESS);
00491
00492 other_bits = GetOtherRoadBits(tile, rt);
00493 if (!HasTileRoadType(tile, rt)) break;
00494
00495 existing = GetRoadBits(tile, rt);
00496 bool crossing = !IsStraightRoad(existing | pieces);
00497 if (rt != ROADTYPE_TRAM && (GetDisallowedRoadDirections(tile) != DRD_NONE || toggle_drd != DRD_NONE) && crossing) {
00498
00499 return_cmd_error(STR_ERROR_ONEWAY_ROADS_CAN_T_HAVE_JUNCTION);
00500 }
00501 if ((existing & pieces) == pieces) {
00502
00503 if (toggle_drd != DRD_NONE && rt != ROADTYPE_TRAM) {
00504 if (crossing) return_cmd_error(STR_ERROR_ONEWAY_ROADS_CAN_T_HAVE_JUNCTION);
00505
00506 Owner owner = GetRoadOwner(tile, ROADTYPE_ROAD);
00507 if (owner != OWNER_NONE && !CheckOwnership(owner, tile)) return CMD_ERROR;
00508
00509 if (!EnsureNoVehicleOnGround(tile)) return CMD_ERROR;
00510
00511
00512 if ((flags & DC_EXEC) && rt != ROADTYPE_TRAM && IsStraightRoad(existing)) {
00513 SetDisallowedRoadDirections(tile, GetDisallowedRoadDirections(tile) ^ toggle_drd);
00514 MarkTileDirtyByTile(tile);
00515 }
00516 return CommandCost();
00517 }
00518 return_cmd_error(STR_ERROR_ALREADY_BUILT);
00519 }
00520 } break;
00521
00522 case ROAD_TILE_CROSSING:
00523 other_bits = GetCrossingRoadBits(tile);
00524 if (pieces & ComplementRoadBits(other_bits)) goto do_clear;
00525 pieces = other_bits;
00526
00527 if (HasTileRoadType(tile, rt)) return_cmd_error(STR_ERROR_ALREADY_BUILT);
00528 break;
00529
00530 case ROAD_TILE_DEPOT:
00531 if ((GetAnyRoadBits(tile, rt) & pieces) == pieces) return_cmd_error(STR_ERROR_ALREADY_BUILT);
00532 goto do_clear;
00533
00534 default: NOT_REACHED();
00535 }
00536 break;
00537
00538 case MP_RAILWAY: {
00539 if (IsSteepSlope(tileh)) {
00540 return_cmd_error(STR_ERROR_LAND_SLOPED_IN_WRONG_DIRECTION);
00541 }
00542
00543
00544 if (!HasBit(VALID_LEVEL_CROSSING_SLOPES, tileh)) {
00545 return_cmd_error(STR_ERROR_LAND_SLOPED_IN_WRONG_DIRECTION);
00546 }
00547
00548 if (GetRailTileType(tile) != RAIL_TILE_NORMAL) goto do_clear;
00549
00550 Axis roaddir;
00551 switch (GetTrackBits(tile)) {
00552 case TRACK_BIT_X:
00553 if (pieces & ROAD_X) goto do_clear;
00554 roaddir = AXIS_Y;
00555 break;
00556
00557 case TRACK_BIT_Y:
00558 if (pieces & ROAD_Y) goto do_clear;
00559 roaddir = AXIS_X;
00560 break;
00561
00562 default: goto do_clear;
00563 }
00564
00565 if (!EnsureNoVehicleOnGround(tile)) return CMD_ERROR;
00566
00567 if (flags & DC_EXEC) {
00568 Track railtrack = AxisToTrack(OtherAxis(roaddir));
00569 YapfNotifyTrackLayoutChange(tile, railtrack);
00570
00571 bool reserved = HasBit(GetRailReservationTrackBits(tile), railtrack);
00572 MakeRoadCrossing(tile, _current_company, _current_company, GetTileOwner(tile), roaddir, GetRailType(tile), RoadTypeToRoadTypes(rt) | ROADTYPES_ROAD, p2);
00573 SetCrossingReservation(tile, reserved);
00574 UpdateLevelCrossing(tile, false);
00575 MarkTileDirtyByTile(tile);
00576 }
00577 return CommandCost(EXPENSES_CONSTRUCTION, _price[PR_BUILD_ROAD] * (rt == ROADTYPE_ROAD ? 2 : 4));
00578 }
00579
00580 case MP_STATION: {
00581 if ((GetAnyRoadBits(tile, rt) & pieces) == pieces) return_cmd_error(STR_ERROR_ALREADY_BUILT);
00582 if (!IsDriveThroughStopTile(tile)) goto do_clear;
00583
00584 RoadBits curbits = AxisToRoadBits(DiagDirToAxis(GetRoadStopDir(tile)));
00585 if (pieces & ~curbits) goto do_clear;
00586 pieces = curbits;
00587
00588 if (HasTileRoadType(tile, rt)) return_cmd_error(STR_ERROR_ALREADY_BUILT);
00589 } break;
00590
00591 case MP_TUNNELBRIDGE:
00592 if (GetTunnelBridgeTransportType(tile) != TRANSPORT_ROAD) goto do_clear;
00593 if (MirrorRoadBits(DiagDirToRoadBits(GetTunnelBridgeDirection(tile))) != pieces) goto do_clear;
00594 if (HasTileRoadType(tile, rt)) return_cmd_error(STR_ERROR_ALREADY_BUILT);
00595
00596 if (HasVehicleOnTunnelBridge(tile, GetOtherTunnelBridgeEnd(tile))) return CMD_ERROR;
00597 break;
00598
00599 default: {
00600 do_clear:;
00601 CommandCost ret = DoCommand(tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR);
00602 if (ret.Failed()) return ret;
00603 cost.AddCost(ret);
00604 } break;
00605 }
00606
00607 if (other_bits != pieces) {
00608
00609 CommandCost ret = CheckRoadSlope(tileh, &pieces, existing, other_bits);
00610
00611
00612 if (ret.Failed() || (ret.GetCost() != 0 && !_settings_game.construction.build_on_slopes)) {
00613 return_cmd_error(STR_ERROR_LAND_SLOPED_IN_WRONG_DIRECTION);
00614 }
00615 cost.AddCost(ret);
00616 }
00617
00618 if (IsTileType(tile, MP_ROAD)) {
00619
00620 pieces &= ComplementRoadBits(existing);
00621
00622
00623 if (IsNormalRoad(tile)) {
00624 Slope slope = GetTileSlope(tile, NULL);
00625 Foundation found_new = GetRoadFoundation(slope, pieces | existing);
00626
00627
00628 for (RoadType rtest = ROADTYPE_ROAD; rtest < ROADTYPE_END; rtest++) {
00629 if (rtest != rt) {
00630 RoadBits bits = GetRoadBits(tile, rtest);
00631
00632 if (bits != ROAD_NONE && GetRoadFoundation(slope, bits) != found_new) {
00633 return_cmd_error(STR_ERROR_LAND_SLOPED_IN_WRONG_DIRECTION);
00634 }
00635 }
00636 }
00637 }
00638 }
00639
00640 if (!EnsureNoVehicleOnGround(tile)) return CMD_ERROR;
00641
00642 cost.AddCost(CountBits(pieces) * _price[PR_BUILD_ROAD]);
00643 if (IsTileType(tile, MP_TUNNELBRIDGE)) {
00644
00645 cost.MultiplyCost(GetTunnelBridgeLength(GetOtherTunnelBridgeEnd(tile), tile) + 2);
00646 }
00647
00648 if (flags & DC_EXEC) {
00649 switch (GetTileType(tile)) {
00650 case MP_ROAD: {
00651 RoadTileType rtt = GetRoadTileType(tile);
00652 if (existing == ROAD_NONE || rtt == ROAD_TILE_CROSSING) {
00653 SetRoadTypes(tile, GetRoadTypes(tile) | RoadTypeToRoadTypes(rt));
00654 SetRoadOwner(tile, rt, _current_company);
00655 if (rt == ROADTYPE_ROAD) SetTownIndex(tile, p2);
00656 }
00657 if (rtt != ROAD_TILE_CROSSING) SetRoadBits(tile, existing | pieces, rt);
00658 } break;
00659
00660 case MP_TUNNELBRIDGE: {
00661 TileIndex other_end = GetOtherTunnelBridgeEnd(tile);
00662
00663 SetRoadTypes(other_end, GetRoadTypes(other_end) | RoadTypeToRoadTypes(rt));
00664 SetRoadTypes(tile, GetRoadTypes(tile) | RoadTypeToRoadTypes(rt));
00665 SetRoadOwner(other_end, rt, _current_company);
00666 SetRoadOwner(tile, rt, _current_company);
00667
00668
00669 MarkTileDirtyByTile(other_end);
00670 MarkTileDirtyByTile(tile);
00671 if (IsBridge(tile)) {
00672 TileIndexDiff delta = TileOffsByDiagDir(GetTunnelBridgeDirection(tile));
00673
00674 for (TileIndex t = tile + delta; t != other_end; t += delta) MarkTileDirtyByTile(t);
00675 }
00676 } break;
00677
00678 case MP_STATION:
00679 assert(IsDriveThroughStopTile(tile));
00680 SetRoadTypes(tile, GetRoadTypes(tile) | RoadTypeToRoadTypes(rt));
00681 SetRoadOwner(tile, rt, _current_company);
00682 break;
00683
00684 default:
00685 MakeRoadNormal(tile, pieces, RoadTypeToRoadTypes(rt), p2, _current_company, _current_company);
00686 break;
00687 }
00688
00689 if (rt != ROADTYPE_TRAM && IsNormalRoadTile(tile)) {
00690 existing |= pieces;
00691 SetDisallowedRoadDirections(tile, IsStraightRoad(existing) ?
00692 GetDisallowedRoadDirections(tile) ^ toggle_drd : DRD_NONE);
00693 }
00694
00695 MarkTileDirtyByTile(tile);
00696 }
00697 return cost;
00698 }
00699
00713 CommandCost CmdBuildLongRoad(TileIndex start_tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
00714 {
00715 CommandCost cost(EXPENSES_CONSTRUCTION);
00716 bool had_bridge = false;
00717 bool had_tunnel = false;
00718 bool had_success = false;
00719 DisallowedRoadDirections drd = DRD_NORTHBOUND;
00720
00721 _error_message = INVALID_STRING_ID;
00722
00723 if (p1 >= MapSize()) return CMD_ERROR;
00724
00725 TileIndex end_tile = p1;
00726 RoadType rt = (RoadType)GB(p2, 3, 2);
00727 if (!IsValidRoadType(rt) || !ValParamRoadType(rt)) return CMD_ERROR;
00728
00729 Axis axis = Extract<Axis, 2>(p2);
00730
00731 if (axis == AXIS_X && TileY(start_tile) != TileY(end_tile)) return CMD_ERROR;
00732 if (axis == AXIS_Y && TileX(start_tile) != TileX(end_tile)) return CMD_ERROR;
00733
00734 DiagDirection dir = AxisToDiagDir(axis);
00735
00736
00737 if (start_tile > end_tile || (start_tile == end_tile && HasBit(p2, 0))) {
00738 dir = ReverseDiagDir(dir);
00739 p2 ^= 3;
00740 drd = DRD_SOUTHBOUND;
00741 }
00742
00743
00744
00745
00746 if ((axis == AXIS_Y) == (start_tile == end_tile && HasBit(p2, 0) == HasBit(p2, 1))) drd ^= DRD_BOTH;
00747
00748 if (!HasBit(p2, 5)) drd = DRD_NONE;
00749
00750 TileIndex tile = start_tile;
00751
00752 for (;;) {
00753 RoadBits bits = AxisToRoadBits(axis);
00754
00755
00756 if (tile == end_tile && !HasBit(p2, 1)) bits &= DiagDirToRoadBits(ReverseDiagDir(dir));
00757 if (tile == start_tile && HasBit(p2, 0)) bits &= DiagDirToRoadBits(dir);
00758
00759 _error_message = INVALID_STRING_ID;
00760 CommandCost ret = DoCommand(tile, drd << 6 | rt << 4 | bits, 0, flags, CMD_BUILD_ROAD);
00761 if (ret.Failed()) {
00762 if (_error_message != STR_ERROR_ALREADY_BUILT) break;
00763 } else {
00764 had_success = true;
00765
00766 if (IsTileType(tile, MP_TUNNELBRIDGE)) {
00767 if (IsBridge(tile)) {
00768 if ((!had_bridge || GetTunnelBridgeDirection(tile) == dir)) {
00769 cost.AddCost(ret);
00770 }
00771 had_bridge = true;
00772 } else {
00773 if ((!had_tunnel || GetTunnelBridgeDirection(tile) == dir)) {
00774 cost.AddCost(ret);
00775 }
00776 had_tunnel = true;
00777 }
00778 } else {
00779 cost.AddCost(ret);
00780 }
00781 }
00782
00783 if (tile == end_tile) break;
00784
00785 tile += TileOffsByDiagDir(dir);
00786 }
00787
00788 return !had_success ? CMD_ERROR : cost;
00789 }
00790
00803 CommandCost CmdRemoveLongRoad(TileIndex end_tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
00804 {
00805 CommandCost cost(EXPENSES_CONSTRUCTION);
00806
00807 if (p1 >= MapSize()) return CMD_ERROR;
00808
00809 TileIndex start_tile = p1;
00810 RoadType rt = (RoadType)GB(p2, 3, 2);
00811 if (!IsValidRoadType(rt)) return CMD_ERROR;
00812
00813 Axis axis = Extract<Axis, 2>(p2);
00814
00815 if (axis == AXIS_X && TileY(start_tile) != TileY(end_tile)) return CMD_ERROR;
00816 if (axis == AXIS_Y && TileX(start_tile) != TileX(end_tile)) return CMD_ERROR;
00817
00818
00819 if (start_tile > end_tile || (start_tile == end_tile && HasBit(p2, 0))) {
00820 TileIndex t = start_tile;
00821 start_tile = end_tile;
00822 end_tile = t;
00823 p2 ^= IsInsideMM(p2 & 3, 1, 3) ? 3 : 0;
00824 }
00825
00826 Money money = GetAvailableMoneyForCommand();
00827 TileIndex tile = start_tile;
00828
00829 for (;;) {
00830 RoadBits bits = AxisToRoadBits(axis);
00831
00832 if (tile == end_tile && !HasBit(p2, 1)) bits &= ROAD_NW | ROAD_NE;
00833 if (tile == start_tile && HasBit(p2, 0)) bits &= ROAD_SE | ROAD_SW;
00834
00835
00836 if (bits != 0) {
00837 CommandCost ret = RemoveRoad(tile, flags & ~DC_EXEC, bits, rt, true);
00838 if (ret.Succeeded()) {
00839 if (flags & DC_EXEC) {
00840 money -= ret.GetCost();
00841 if (money < 0) {
00842 _additional_cash_required = DoCommand(end_tile, start_tile, p2, flags & ~DC_EXEC, CMD_REMOVE_LONG_ROAD).GetCost();
00843 return cost;
00844 }
00845 RemoveRoad(tile, flags, bits, rt, true, false);
00846 }
00847 cost.AddCost(ret);
00848 }
00849 }
00850
00851 if (tile == end_tile) break;
00852
00853 tile += (axis == AXIS_Y) ? TileDiffXY(0, 1) : TileDiffXY(1, 0);
00854 }
00855
00856 return (cost.GetCost() == 0) ? CMD_ERROR : cost;
00857 }
00858
00871 CommandCost CmdBuildRoadDepot(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
00872 {
00873 DiagDirection dir = Extract<DiagDirection, 0>(p1);
00874 RoadType rt = (RoadType)GB(p1, 2, 2);
00875
00876 if (!IsValidRoadType(rt) || !ValParamRoadType(rt)) return CMD_ERROR;
00877
00878 Slope tileh = GetTileSlope(tile, NULL);
00879 if (tileh != SLOPE_FLAT && (
00880 !_settings_game.construction.build_on_slopes ||
00881 IsSteepSlope(tileh) ||
00882 !CanBuildDepotByTileh(dir, tileh)
00883 )) {
00884 return_cmd_error(STR_ERROR_FLAT_LAND_REQUIRED);
00885 }
00886
00887 CommandCost cost = DoCommand(tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR);
00888 if (cost.Failed()) return CMD_ERROR;
00889
00890 if (MayHaveBridgeAbove(tile) && IsBridgeAbove(tile)) return_cmd_error(STR_ERROR_MUST_DEMOLISH_BRIDGE_FIRST);
00891
00892 if (!Depot::CanAllocateItem()) return CMD_ERROR;
00893
00894 if (flags & DC_EXEC) {
00895 Depot *dep = new Depot(tile);
00896 dep->town_index = ClosestTownFromTile(tile, UINT_MAX)->index;
00897
00898 MakeRoadDepot(tile, _current_company, dep->index, dir, rt);
00899 MarkTileDirtyByTile(tile);
00900 }
00901 return cost.AddCost(_price[PR_BUILD_DEPOT_ROAD]);
00902 }
00903
00904 static CommandCost RemoveRoadDepot(TileIndex tile, DoCommandFlag flags)
00905 {
00906 if (!CheckTileOwnership(tile) && _current_company != OWNER_WATER) return CMD_ERROR;
00907
00908 if (!EnsureNoVehicleOnGround(tile)) return CMD_ERROR;
00909
00910 if (flags & DC_EXEC) {
00911 delete Depot::GetByTile(tile);
00912 DoClearSquare(tile);
00913 }
00914
00915 return CommandCost(EXPENSES_CONSTRUCTION, _price[PR_CLEAR_DEPOT_ROAD]);
00916 }
00917
00918 static CommandCost ClearTile_Road(TileIndex tile, DoCommandFlag flags)
00919 {
00920 switch (GetRoadTileType(tile)) {
00921 case ROAD_TILE_NORMAL: {
00922 RoadBits b = GetAllRoadBits(tile);
00923
00924
00925 if ((CountBits(b) == 1 && GetRoadBits(tile, ROADTYPE_TRAM) == ROAD_NONE) || !(flags & DC_AUTO)) {
00926 RoadTypes rts = GetRoadTypes(tile);
00927 CommandCost ret(EXPENSES_CONSTRUCTION);
00928 for (RoadType rt = ROADTYPE_ROAD; rt < ROADTYPE_END; rt++) {
00929 if (HasBit(rts, rt)) {
00930 CommandCost tmp_ret = RemoveRoad(tile, flags, GetRoadBits(tile, rt), rt, true);
00931 if (tmp_ret.Failed()) return tmp_ret;
00932 ret.AddCost(tmp_ret);
00933 }
00934 }
00935 return ret;
00936 }
00937 return_cmd_error(STR_ERROR_MUST_REMOVE_ROAD_FIRST);
00938 }
00939
00940 case ROAD_TILE_CROSSING: {
00941 RoadTypes rts = GetRoadTypes(tile);
00942 CommandCost ret(EXPENSES_CONSTRUCTION);
00943
00944 if (flags & DC_AUTO) return_cmd_error(STR_ERROR_MUST_REMOVE_ROAD_FIRST);
00945
00946
00947
00948 RoadType rt = ROADTYPE_TRAM;
00949 do {
00950 if (HasBit(rts, rt)) {
00951 CommandCost tmp_ret = RemoveRoad(tile, flags, GetCrossingRoadBits(tile), rt, false);
00952 if (tmp_ret.Failed()) return tmp_ret;
00953 ret.AddCost(tmp_ret);
00954 }
00955 } while (rt-- != ROADTYPE_ROAD);
00956
00957 if (flags & DC_EXEC) {
00958 DoCommand(tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR);
00959 }
00960 return ret;
00961 }
00962
00963 default:
00964 case ROAD_TILE_DEPOT:
00965 if (flags & DC_AUTO) {
00966 return_cmd_error(STR_ERROR_BUILDING_MUST_BE_DEMOLISHED);
00967 }
00968 return RemoveRoadDepot(tile, flags);
00969 }
00970 }
00971
00972
00973 struct DrawRoadTileStruct {
00974 uint16 image;
00975 byte subcoord_x;
00976 byte subcoord_y;
00977 };
00978
00979 #include "table/road_land.h"
00980
00988 static Foundation GetRoadFoundation(Slope tileh, RoadBits bits)
00989 {
00990
00991 if (tileh == SLOPE_FLAT || bits == ROAD_NONE) return FOUNDATION_NONE;
00992
00993 if (!IsSteepSlope(tileh)) {
00994
00995 if ((_invalid_tileh_slopes_road[0][tileh] & bits) == ROAD_NONE) return FOUNDATION_LEVELED;
00996
00997
00998 if (!IsSlopeWithOneCornerRaised(tileh) &&
00999 (_invalid_tileh_slopes_road[1][tileh] & bits) == ROAD_NONE)
01000 return FOUNDATION_NONE;
01001 }
01002
01003
01004 return (bits == ROAD_X ? FOUNDATION_INCLINED_X : FOUNDATION_INCLINED_Y);
01005 }
01006
01007 const byte _road_sloped_sprites[14] = {
01008 0, 0, 2, 0,
01009 0, 1, 0, 0,
01010 3, 0, 0, 0,
01011 0, 0
01012 };
01013
01024 static bool AlwaysDrawUnpavedRoads(TileIndex tile, Roadside roadside)
01025 {
01026 return (IsOnSnow(tile) &&
01027 !(_settings_game.game_creation.landscape == LT_TROPIC && HasGrfMiscBit(GMB_DESERT_PAVED_ROADS) &&
01028 roadside != ROADSIDE_BARREN && roadside != ROADSIDE_GRASS && roadside != ROADSIDE_GRASS_ROAD_WORKS));
01029 }
01030
01036 void DrawTramCatenary(const TileInfo *ti, RoadBits tram)
01037 {
01038
01039 if (IsInvisibilitySet(TO_CATENARY)) return;
01040
01041
01042 if (MayHaveBridgeAbove(ti->tile) && IsBridgeAbove(ti->tile) && !IsTransparencySet(TO_CATENARY)) {
01043 uint height = GetBridgeHeight(GetNorthernBridgeEnd(ti->tile));
01044
01045 if (height <= GetTileMaxZ(ti->tile) + TILE_HEIGHT) return;
01046 }
01047
01048 SpriteID front;
01049 SpriteID back;
01050
01051 if (ti->tileh != SLOPE_FLAT) {
01052 back = SPR_TRAMWAY_BACK_WIRES_SLOPED + _road_sloped_sprites[ti->tileh - 1];
01053 front = SPR_TRAMWAY_FRONT_WIRES_SLOPED + _road_sloped_sprites[ti->tileh - 1];
01054 } else {
01055 back = SPR_TRAMWAY_BASE + _road_backpole_sprites_1[tram];
01056 front = SPR_TRAMWAY_BASE + _road_frontwire_sprites_1[tram];
01057 }
01058
01059 AddSortableSpriteToDraw(back, PAL_NONE, ti->x, ti->y, 16, 16, TILE_HEIGHT + BB_HEIGHT_UNDER_BRIDGE, ti->z, IsTransparencySet(TO_CATENARY));
01060 AddSortableSpriteToDraw(front, PAL_NONE, ti->x, ti->y, 16, 16, TILE_HEIGHT + BB_HEIGHT_UNDER_BRIDGE, ti->z, IsTransparencySet(TO_CATENARY));
01061 }
01062
01071 static void DrawRoadDetail(SpriteID img, const TileInfo *ti, int dx, int dy, int h)
01072 {
01073 int x = ti->x | dx;
01074 int y = ti->y | dy;
01075 byte z = ti->z;
01076 if (ti->tileh != SLOPE_FLAT) z = GetSlopeZ(x, y);
01077 AddSortableSpriteToDraw(img, PAL_NONE, x, y, 2, 2, h, z);
01078 }
01079
01084 static void DrawRoadBits(TileInfo *ti)
01085 {
01086 RoadBits road = GetRoadBits(ti->tile, ROADTYPE_ROAD);
01087 RoadBits tram = GetRoadBits(ti->tile, ROADTYPE_TRAM);
01088
01089 SpriteID image = 0;
01090 SpriteID pal = PAL_NONE;
01091
01092 if (ti->tileh != SLOPE_FLAT) {
01093 DrawFoundation(ti, GetRoadFoundation(ti->tileh, road | tram));
01094
01095
01096
01097 if (ti->tileh != SLOPE_FLAT) image = _road_sloped_sprites[ti->tileh - 1] + 0x53F;
01098 }
01099
01100 if (image == 0) image = _road_tile_sprites_1[road != ROAD_NONE ? road : tram];
01101
01102 Roadside roadside = GetRoadside(ti->tile);
01103
01104 if (AlwaysDrawUnpavedRoads(ti->tile, roadside)) {
01105 image += 19;
01106 } else {
01107 switch (roadside) {
01108 case ROADSIDE_BARREN: pal = PALETTE_TO_BARE_LAND; break;
01109 case ROADSIDE_GRASS: break;
01110 case ROADSIDE_GRASS_ROAD_WORKS: break;
01111 default: image -= 19; break;
01112 }
01113 }
01114
01115 DrawGroundSprite(image, pal);
01116
01117
01118
01119
01120 if (tram != ROAD_NONE) {
01121 if (ti->tileh != SLOPE_FLAT) {
01122 image = _road_sloped_sprites[ti->tileh - 1] + SPR_TRAMWAY_SLOPED_OFFSET;
01123 } else {
01124 image = _road_tile_sprites_1[tram] - SPR_ROAD_Y;
01125 }
01126 image += (road == ROAD_NONE) ? SPR_TRAMWAY_TRAM : SPR_TRAMWAY_OVERLAY;
01127 DrawGroundSprite(image, pal);
01128 }
01129
01130 if (road != ROAD_NONE) {
01131 DisallowedRoadDirections drd = GetDisallowedRoadDirections(ti->tile);
01132 if (drd != DRD_NONE) {
01133 DrawGroundSpriteAt(SPR_ONEWAY_BASE + drd - 1 + ((road == ROAD_X) ? 0 : 3), PAL_NONE, 8, 8, GetPartialZ(8, 8, ti->tileh));
01134 }
01135 }
01136
01137 if (HasRoadWorks(ti->tile)) {
01138
01139 DrawGroundSprite((road | tram) & ROAD_X ? SPR_EXCAVATION_X : SPR_EXCAVATION_Y, PAL_NONE);
01140 return;
01141 }
01142
01143 if (tram != ROAD_NONE) DrawTramCatenary(ti, tram);
01144
01145
01146 if (!HasBit(_display_opt, DO_FULL_DETAIL) || _cur_dpi->zoom > ZOOM_LVL_DETAIL) return;
01147
01148
01149 if (MayHaveBridgeAbove(ti->tile) && IsBridgeAbove(ti->tile) && (roadside == ROADSIDE_TREES || roadside == ROADSIDE_STREET_LIGHTS)) {
01150 uint height = GetBridgeHeight(GetNorthernBridgeEnd(ti->tile));
01151 uint minz = GetTileMaxZ(ti->tile) + 2 * TILE_HEIGHT;
01152
01153 if (roadside == ROADSIDE_TREES) minz += TILE_HEIGHT;
01154
01155 if (height < minz) return;
01156 }
01157
01158
01159 if (CountBits(road) < 2) return;
01160
01161
01162 for (const DrawRoadTileStruct *drts = _road_display_table[roadside][road | tram]; drts->image != 0; drts++) {
01163 DrawRoadDetail(drts->image, ti, drts->subcoord_x, drts->subcoord_y, 0x10);
01164 }
01165 }
01166
01168 static void DrawTile_Road(TileInfo *ti)
01169 {
01170 switch (GetRoadTileType(ti->tile)) {
01171 case ROAD_TILE_NORMAL:
01172 DrawRoadBits(ti);
01173 break;
01174
01175 case ROAD_TILE_CROSSING: {
01176 if (ti->tileh != SLOPE_FLAT) DrawFoundation(ti, FOUNDATION_LEVELED);
01177
01178 SpriteID image = GetRailTypeInfo(GetRailType(ti->tile))->base_sprites.crossing;
01179 SpriteID pal = PAL_NONE;
01180
01181 if (GetCrossingRoadAxis(ti->tile) == AXIS_X) image++;
01182 if (IsCrossingBarred(ti->tile)) image += 2;
01183
01184 Roadside roadside = GetRoadside(ti->tile);
01185
01186 if (AlwaysDrawUnpavedRoads(ti->tile, roadside)) {
01187 image += 8;
01188 } else {
01189 switch (roadside) {
01190 case ROADSIDE_BARREN: pal = PALETTE_TO_BARE_LAND; break;
01191 case ROADSIDE_GRASS: break;
01192 default: image += 4; break;
01193 }
01194 }
01195
01196 DrawGroundSprite(image, pal);
01197
01198
01199 if (_game_mode != GM_MENU && _settings_client.gui.show_track_reservation && HasCrossingReservation(ti->tile)) {
01200 DrawGroundSprite(GetCrossingRoadAxis(ti->tile) == AXIS_Y ? GetRailTypeInfo(GetRailType(ti->tile))->base_sprites.single_x : GetRailTypeInfo(GetRailType(ti->tile))->base_sprites.single_y, PALETTE_CRASH);
01201 }
01202
01203 if (HasTileRoadType(ti->tile, ROADTYPE_TRAM)) {
01204 DrawGroundSprite(SPR_TRAMWAY_OVERLAY + (GetCrossingRoadAxis(ti->tile) ^ 1), pal);
01205 DrawTramCatenary(ti, GetCrossingRoadBits(ti->tile));
01206 }
01207 if (HasCatenaryDrawn(GetRailType(ti->tile))) DrawCatenary(ti);
01208 break;
01209 }
01210
01211 default:
01212 case ROAD_TILE_DEPOT: {
01213 if (ti->tileh != SLOPE_FLAT) DrawFoundation(ti, FOUNDATION_LEVELED);
01214
01215 SpriteID palette = COMPANY_SPRITE_COLOUR(GetTileOwner(ti->tile));
01216
01217 const DrawTileSprites *dts;
01218 if (HasTileRoadType(ti->tile, ROADTYPE_TRAM)) {
01219 dts = &_tram_depot[GetRoadDepotDirection(ti->tile)];
01220 } else {
01221 dts = &_road_depot[GetRoadDepotDirection(ti->tile)];
01222 }
01223
01224 DrawGroundSprite(dts->ground.sprite, PAL_NONE);
01225 DrawOrigTileSeq(ti, dts, TO_BUILDINGS, palette);
01226 break;
01227 }
01228 }
01229 DrawBridgeMiddle(ti);
01230 }
01231
01232 void DrawRoadDepotSprite(int x, int y, DiagDirection dir, RoadType rt)
01233 {
01234 SpriteID palette = COMPANY_SPRITE_COLOUR(_local_company);
01235 const DrawTileSprites *dts = (rt == ROADTYPE_TRAM) ? &_tram_depot[dir] : &_road_depot[dir];
01236
01237 x += 33;
01238 y += 17;
01239
01240 DrawSprite(dts->ground.sprite, PAL_NONE, x, y);
01241 DrawOrigTileSeqInGUI(x, y, dts, palette);
01242 }
01243
01249 void UpdateNearestTownForRoadTiles(bool invalidate)
01250 {
01251 assert(!invalidate || _generating_world);
01252
01253 for (TileIndex t = 0; t < MapSize(); t++) {
01254 if (IsTileType(t, MP_ROAD) && !IsRoadDepot(t) && !HasTownOwnedRoad(t)) {
01255 TownID tid = (TownID)INVALID_TOWN;
01256 if (!invalidate) {
01257 const Town *town = CalcClosestTownFromTile(t);
01258 if (town != NULL) tid = town->index;
01259 }
01260 SetTownIndex(t, tid);
01261 }
01262 }
01263 }
01264
01265 static uint GetSlopeZ_Road(TileIndex tile, uint x, uint y)
01266 {
01267 uint z;
01268 Slope tileh = GetTileSlope(tile, &z);
01269
01270 if (tileh == SLOPE_FLAT) return z;
01271 if (IsNormalRoad(tile)) {
01272 Foundation f = GetRoadFoundation(tileh, GetAllRoadBits(tile));
01273 z += ApplyFoundationToSlope(f, &tileh);
01274 return z + GetPartialZ(x & 0xF, y & 0xF, tileh);
01275 } else {
01276 return z + TILE_HEIGHT;
01277 }
01278 }
01279
01280 static Foundation GetFoundation_Road(TileIndex tile, Slope tileh)
01281 {
01282 if (IsNormalRoad(tile)) {
01283 return GetRoadFoundation(tileh, GetAllRoadBits(tile));
01284 } else {
01285 return FlatteningFoundation(tileh);
01286 }
01287 }
01288
01289 static const Roadside _town_road_types[][2] = {
01290 { ROADSIDE_GRASS, ROADSIDE_GRASS },
01291 { ROADSIDE_PAVED, ROADSIDE_PAVED },
01292 { ROADSIDE_PAVED, ROADSIDE_PAVED },
01293 { ROADSIDE_TREES, ROADSIDE_TREES },
01294 { ROADSIDE_STREET_LIGHTS, ROADSIDE_PAVED }
01295 };
01296
01297 static const Roadside _town_road_types_2[][2] = {
01298 { ROADSIDE_GRASS, ROADSIDE_GRASS },
01299 { ROADSIDE_PAVED, ROADSIDE_PAVED },
01300 { ROADSIDE_STREET_LIGHTS, ROADSIDE_PAVED },
01301 { ROADSIDE_STREET_LIGHTS, ROADSIDE_PAVED },
01302 { ROADSIDE_STREET_LIGHTS, ROADSIDE_PAVED }
01303 };
01304
01305
01306 static void TileLoop_Road(TileIndex tile)
01307 {
01308 switch (_settings_game.game_creation.landscape) {
01309 case LT_ARCTIC:
01310 if (IsOnSnow(tile) != (GetTileZ(tile) > GetSnowLine())) {
01311 ToggleSnow(tile);
01312 MarkTileDirtyByTile(tile);
01313 }
01314 break;
01315
01316 case LT_TROPIC:
01317 if (GetTropicZone(tile) == TROPICZONE_DESERT && !IsOnDesert(tile)) {
01318 ToggleDesert(tile);
01319 MarkTileDirtyByTile(tile);
01320 }
01321 break;
01322 }
01323
01324 if (IsRoadDepot(tile)) return;
01325
01326 const Town *t = ClosestTownFromTile(tile, UINT_MAX);
01327 if (!HasRoadWorks(tile)) {
01328 HouseZonesBits grp = HZB_TOWN_EDGE;
01329
01330 if (t != NULL) {
01331 grp = GetTownRadiusGroup(t, tile);
01332
01333
01334 if (t->road_build_months != 0 &&
01335 (DistanceManhattan(t->xy, tile) < 8 || grp != HZB_TOWN_EDGE) &&
01336 IsNormalRoad(tile) && CountBits(GetAllRoadBits(tile)) > 1 ) {
01337 if (GetFoundationSlope(tile, NULL) == SLOPE_FLAT && EnsureNoVehicleOnGround(tile) && Chance16(1, 40)) {
01338 StartRoadWorks(tile);
01339
01340 SndPlayTileFx(SND_21_JACKHAMMER, tile);
01341 CreateEffectVehicleAbove(
01342 TileX(tile) * TILE_SIZE + 7,
01343 TileY(tile) * TILE_SIZE + 7,
01344 0,
01345 EV_BULLDOZER);
01346 MarkTileDirtyByTile(tile);
01347 return;
01348 }
01349 }
01350 }
01351
01352 {
01353
01354 const Roadside *new_rs = (_settings_game.game_creation.landscape == LT_TOYLAND) ? _town_road_types_2[grp] : _town_road_types[grp];
01355 Roadside cur_rs = GetRoadside(tile);
01356
01357
01358 if (cur_rs == new_rs[0]) return;
01359
01360
01361 if (cur_rs == new_rs[1]) {
01362 cur_rs = new_rs[0];
01363
01364 } else if (cur_rs == ROADSIDE_BARREN) {
01365 cur_rs = new_rs[1];
01366
01367 } else {
01368 cur_rs = ROADSIDE_BARREN;
01369 }
01370 SetRoadside(tile, cur_rs);
01371 MarkTileDirtyByTile(tile);
01372 }
01373 } else if (IncreaseRoadWorksCounter(tile)) {
01374 TerminateRoadWorks(tile);
01375
01376 if (_settings_game.economy.mod_road_rebuild) {
01377
01378 const RoadBits old_rb = GetAnyRoadBits(tile, ROADTYPE_ROAD);
01379 const RoadBits new_rb = CleanUpRoadBits(tile, old_rb);
01380
01381 if (old_rb != new_rb) {
01382 RemoveRoad(tile, DC_EXEC | DC_AUTO | DC_NO_WATER, (old_rb ^ new_rb), ROADTYPE_ROAD, true);
01383 }
01384 }
01385
01386 MarkTileDirtyByTile(tile);
01387 }
01388 }
01389
01390 static bool ClickTile_Road(TileIndex tile)
01391 {
01392 if (!IsRoadDepot(tile)) return false;
01393
01394 ShowDepotWindow(tile, VEH_ROAD);
01395 return true;
01396 }
01397
01398
01399 static const byte _road_trackbits[16] = {
01400 0x0, 0x0, 0x0, 0x10, 0x0, 0x2, 0x8, 0x1A, 0x0, 0x4, 0x1, 0x15, 0x20, 0x26, 0x29, 0x3F,
01401 };
01402
01403 static TrackStatus GetTileTrackStatus_Road(TileIndex tile, TransportType mode, uint sub_mode, DiagDirection side)
01404 {
01405 TrackdirBits trackdirbits = TRACKDIR_BIT_NONE;
01406 TrackdirBits red_signals = TRACKDIR_BIT_NONE;
01407 switch (mode) {
01408 case TRANSPORT_RAIL:
01409 if (IsLevelCrossing(tile)) trackdirbits = TrackBitsToTrackdirBits(GetCrossingRailBits(tile));
01410 break;
01411
01412 case TRANSPORT_ROAD:
01413 if ((GetRoadTypes(tile) & sub_mode) == 0) break;
01414 switch (GetRoadTileType(tile)) {
01415 case ROAD_TILE_NORMAL: {
01416 const uint drd_to_multiplier[DRD_END] = { 0x101, 0x100, 0x1, 0x0 };
01417 RoadType rt = (RoadType)FindFirstBit(sub_mode);
01418 RoadBits bits = GetRoadBits(tile, rt);
01419
01420
01421 if (side != INVALID_DIAGDIR && (DiagDirToRoadBits(side) & bits) == 0) break;
01422
01423 uint multiplier = drd_to_multiplier[rt == ROADTYPE_TRAM ? DRD_NONE : GetDisallowedRoadDirections(tile)];
01424 if (!HasRoadWorks(tile)) trackdirbits = (TrackdirBits)(_road_trackbits[bits] * multiplier);
01425 break;
01426 }
01427
01428 case ROAD_TILE_CROSSING: {
01429 Axis axis = GetCrossingRoadAxis(tile);
01430
01431 if (side != INVALID_DIAGDIR && axis != DiagDirToAxis(side)) break;
01432
01433 trackdirbits = TrackBitsToTrackdirBits(AxisToTrackBits(axis));
01434 if (IsCrossingBarred(tile)) red_signals = trackdirbits;
01435 break;
01436 }
01437
01438 default:
01439 case ROAD_TILE_DEPOT: {
01440 DiagDirection dir = GetRoadDepotDirection(tile);
01441
01442 if (side != INVALID_DIAGDIR && side != dir) break;
01443
01444 trackdirbits = TrackBitsToTrackdirBits(DiagDirToDiagTrackBits(dir));
01445 break;
01446 }
01447 }
01448 break;
01449
01450 default: break;
01451 }
01452 return CombineTrackStatus(trackdirbits, red_signals);
01453 }
01454
01455 static const StringID _road_tile_strings[] = {
01456 STR_LAI_ROAD_DESCRIPTION_ROAD,
01457 STR_LAI_ROAD_DESCRIPTION_ROAD,
01458 STR_LAI_ROAD_DESCRIPTION_ROAD,
01459 STR_LAI_ROAD_DESCRIPTION_ROAD_WITH_STREETLIGHTS,
01460 STR_LAI_ROAD_DESCRIPTION_ROAD,
01461 STR_LAI_ROAD_DESCRIPTION_TREE_LINED_ROAD,
01462 STR_LAI_ROAD_DESCRIPTION_ROAD,
01463 STR_LAI_ROAD_DESCRIPTION_ROAD,
01464 };
01465
01466 static void GetTileDesc_Road(TileIndex tile, TileDesc *td)
01467 {
01468 Owner rail_owner = INVALID_OWNER;
01469 Owner road_owner = INVALID_OWNER;
01470 Owner tram_owner = INVALID_OWNER;
01471
01472 switch (GetRoadTileType(tile)) {
01473 case ROAD_TILE_CROSSING: {
01474 td->str = STR_LAI_ROAD_DESCRIPTION_ROAD_RAIL_LEVEL_CROSSING;
01475 RoadTypes rts = GetRoadTypes(tile);
01476 rail_owner = GetTileOwner(tile);
01477 if (HasBit(rts, ROADTYPE_ROAD)) road_owner = GetRoadOwner(tile, ROADTYPE_ROAD);
01478 if (HasBit(rts, ROADTYPE_TRAM)) tram_owner = GetRoadOwner(tile, ROADTYPE_TRAM);
01479 break;
01480 }
01481
01482 case ROAD_TILE_DEPOT:
01483 td->str = STR_LAI_ROAD_DESCRIPTION_ROAD_VEHICLE_DEPOT;
01484 road_owner = GetTileOwner(tile);
01485 break;
01486
01487 default: {
01488 RoadTypes rts = GetRoadTypes(tile);
01489 td->str = (HasBit(rts, ROADTYPE_ROAD) ? _road_tile_strings[GetRoadside(tile)] : STR_LAI_ROAD_DESCRIPTION_TRAMWAY);
01490 if (HasBit(rts, ROADTYPE_ROAD)) road_owner = GetRoadOwner(tile, ROADTYPE_ROAD);
01491 if (HasBit(rts, ROADTYPE_TRAM)) tram_owner = GetRoadOwner(tile, ROADTYPE_TRAM);
01492 break;
01493 }
01494 }
01495
01496
01497
01498
01499
01500
01501 Owner first_owner = (road_owner == INVALID_OWNER ? tram_owner : road_owner);
01502 bool mixed_owners = (tram_owner != INVALID_OWNER && tram_owner != first_owner) || (rail_owner != INVALID_OWNER && rail_owner != first_owner);
01503
01504 if (mixed_owners) {
01505
01506 td->owner_type[0] = (rail_owner == INVALID_OWNER ? STR_NULL : STR_LAND_AREA_INFORMATION_RAIL_OWNER);
01507 td->owner[0] = rail_owner;
01508 td->owner_type[1] = (road_owner == INVALID_OWNER ? STR_NULL : STR_LAND_AREA_INFORMATION_ROAD_OWNER);
01509 td->owner[1] = road_owner;
01510 td->owner_type[2] = (tram_owner == INVALID_OWNER ? STR_NULL : STR_LAND_AREA_INFORMATION_TRAM_OWNER);
01511 td->owner[2] = tram_owner;
01512 } else {
01513
01514 td->owner[0] = first_owner;
01515 }
01516 }
01517
01522 static const byte _roadveh_enter_depot_dir[4] = {
01523 TRACKDIR_X_SW, TRACKDIR_Y_NW, TRACKDIR_X_NE, TRACKDIR_Y_SE
01524 };
01525
01526 static VehicleEnterTileStatus VehicleEnter_Road(Vehicle *v, TileIndex tile, int x, int y)
01527 {
01528 switch (GetRoadTileType(tile)) {
01529 case ROAD_TILE_DEPOT: {
01530 if (v->type != VEH_ROAD) break;
01531
01532 RoadVehicle *rv = RoadVehicle::From(v);
01533 if (rv->frame == RVC_DEPOT_STOP_FRAME &&
01534 _roadveh_enter_depot_dir[GetRoadDepotDirection(tile)] == rv->state) {
01535 rv->state = RVSB_IN_DEPOT;
01536 rv->vehstatus |= VS_HIDDEN;
01537 rv->direction = ReverseDir(rv->direction);
01538 if (rv->Next() == NULL) VehicleEnterDepot(rv->First());
01539 rv->tile = tile;
01540
01541 InvalidateWindowData(WC_VEHICLE_DEPOT, rv->tile);
01542 return VETSB_ENTERED_WORMHOLE;
01543 }
01544 } break;
01545
01546 default: break;
01547 }
01548 return VETSB_CONTINUE;
01549 }
01550
01551
01552 static void ChangeTileOwner_Road(TileIndex tile, Owner old_owner, Owner new_owner)
01553 {
01554 if (IsRoadDepot(tile)) {
01555 if (GetTileOwner(tile) == old_owner) {
01556 if (new_owner == INVALID_OWNER) {
01557 DoCommand(tile, 0, 0, DC_EXEC | DC_BANKRUPT, CMD_LANDSCAPE_CLEAR);
01558 } else {
01559 SetTileOwner(tile, new_owner);
01560 }
01561 }
01562 return;
01563 }
01564
01565 for (RoadType rt = ROADTYPE_ROAD; rt < ROADTYPE_END; rt++) {
01566
01567 if (GetRoadOwner(tile, rt) == old_owner) {
01568 SetRoadOwner(tile, rt, new_owner == INVALID_OWNER ? OWNER_NONE : new_owner);
01569 }
01570 }
01571
01572 if (IsLevelCrossing(tile)) {
01573 if (GetTileOwner(tile) == old_owner) {
01574 if (new_owner == INVALID_OWNER) {
01575 DoCommand(tile, 0, GetCrossingRailTrack(tile), DC_EXEC | DC_BANKRUPT, CMD_REMOVE_SINGLE_RAIL);
01576 } else {
01577 SetTileOwner(tile, new_owner);
01578 }
01579 }
01580 }
01581 }
01582
01583 static CommandCost TerraformTile_Road(TileIndex tile, DoCommandFlag flags, uint z_new, Slope tileh_new)
01584 {
01585 if (_settings_game.construction.build_on_slopes && AutoslopeEnabled()) {
01586 switch (GetRoadTileType(tile)) {
01587 case ROAD_TILE_CROSSING:
01588 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]);
01589 break;
01590
01591 case ROAD_TILE_DEPOT:
01592 if (AutoslopeCheckForEntranceEdge(tile, z_new, tileh_new, GetRoadDepotDirection(tile))) return CommandCost(EXPENSES_CONSTRUCTION, _price[PR_BUILD_FOUNDATION]);
01593 break;
01594
01595 case ROAD_TILE_NORMAL: {
01596 RoadBits bits = GetAllRoadBits(tile);
01597 RoadBits bits_copy = bits;
01598
01599 if (CheckRoadSlope(tileh_new, &bits_copy, ROAD_NONE, ROAD_NONE).Succeeded()) {
01600
01601 if (bits == bits_copy) {
01602 uint z_old;
01603 Slope tileh_old = GetTileSlope(tile, &z_old);
01604
01605
01606 z_old += ApplyFoundationToSlope(GetRoadFoundation(tileh_old, bits), &tileh_old);
01607 z_new += ApplyFoundationToSlope(GetRoadFoundation(tileh_new, bits), &tileh_new);
01608
01609
01610 if ((z_old == z_new) && (tileh_old == tileh_new)) return CommandCost(EXPENSES_CONSTRUCTION, _price[PR_BUILD_FOUNDATION]);
01611 }
01612 }
01613 break;
01614 }
01615
01616 default: NOT_REACHED();
01617 }
01618 }
01619
01620 return DoCommand(tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR);
01621 }
01622
01624 extern const TileTypeProcs _tile_type_road_procs = {
01625 DrawTile_Road,
01626 GetSlopeZ_Road,
01627 ClearTile_Road,
01628 NULL,
01629 GetTileDesc_Road,
01630 GetTileTrackStatus_Road,
01631 ClickTile_Road,
01632 NULL,
01633 TileLoop_Road,
01634 ChangeTileOwner_Road,
01635 NULL,
01636 VehicleEnter_Road,
01637 GetFoundation_Road,
01638 TerraformTile_Road,
01639 };