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00015 #include "stdafx.h"
00016 #include "rail_map.h"
00017 #include "landscape.h"
00018 #include "unmovable_map.h"
00019 #include "viewport_func.h"
00020 #include "cmd_helper.h"
00021 #include "command_func.h"
00022 #include "town.h"
00023 #include "variables.h"
00024 #include "train.h"
00025 #include "ship.h"
00026 #include "roadveh.h"
00027 #include "water_map.h"
00028 #include "pathfinder/yapf/yapf_cache.h"
00029 #include "newgrf_sound.h"
00030 #include "autoslope.h"
00031 #include "tunnelbridge_map.h"
00032 #include "strings_func.h"
00033 #include "date_func.h"
00034 #include "functions.h"
00035 #include "vehicle_func.h"
00036 #include "sound_func.h"
00037 #include "tunnelbridge.h"
00038 #include "cheat_type.h"
00039 #include "elrail_func.h"
00040 #include "landscape_type.h"
00041 #include "pbs.h"
00042 #include "company_base.h"
00043 #include "engine_base.h"
00044 #include "newgrf_railtype.h"
00045
00046 #include "table/sprites.h"
00047 #include "table/strings.h"
00048 #include "table/bridge_land.h"
00049
00050 BridgeSpec _bridge[MAX_BRIDGES];
00051 TileIndex _build_tunnel_endtile;
00052
00054 void ResetBridges()
00055 {
00056
00057 for (BridgeType i = 0; i < MAX_BRIDGES; i++) {
00058 if (_bridge[i].sprite_table != NULL) {
00059 for (BridgePieces j = BRIDGE_PIECE_NORTH; j < BRIDGE_PIECE_INVALID; j++) free(_bridge[i].sprite_table[j]);
00060 free(_bridge[i].sprite_table);
00061 }
00062 }
00063
00064
00065 memset(&_bridge, 0, sizeof(_bridge));
00066
00067 memcpy(&_bridge, &_orig_bridge, sizeof(_orig_bridge));
00068 }
00069
00073 int CalcBridgeLenCostFactor(int x)
00074 {
00075 int n;
00076 int r;
00077
00078 if (x < 2) return x;
00079 x -= 2;
00080 for (n = 0, r = 2;; n++) {
00081 if (x <= n) return r + x * n;
00082 r += n * n;
00083 x -= n;
00084 }
00085 }
00086
00087 Foundation GetBridgeFoundation(Slope tileh, Axis axis)
00088 {
00089 if ((tileh == SLOPE_FLAT) ||
00090 (((tileh == SLOPE_NE) || (tileh == SLOPE_SW)) && (axis == AXIS_X)) ||
00091 (((tileh == SLOPE_NW) || (tileh == SLOPE_SE)) && (axis == AXIS_Y))) return FOUNDATION_NONE;
00092
00093 return (HasSlopeHighestCorner(tileh) ? InclinedFoundation(axis) : FlatteningFoundation(tileh));
00094 }
00095
00103 bool HasBridgeFlatRamp(Slope tileh, Axis axis)
00104 {
00105 ApplyFoundationToSlope(GetBridgeFoundation(tileh, axis), &tileh);
00106
00107 return (tileh != SLOPE_FLAT);
00108 }
00109
00110 static inline const PalSpriteID *GetBridgeSpriteTable(int index, BridgePieces table)
00111 {
00112 const BridgeSpec *bridge = GetBridgeSpec(index);
00113 assert(table < BRIDGE_PIECE_INVALID);
00114 if (bridge->sprite_table == NULL || bridge->sprite_table[table] == NULL) {
00115 return _bridge_sprite_table[index][table];
00116 } else {
00117 return bridge->sprite_table[table];
00118 }
00119 }
00120
00121
00130 static CommandCost CheckBridgeSlopeNorth(Axis axis, Slope *tileh, uint *z)
00131 {
00132 Foundation f = GetBridgeFoundation(*tileh, axis);
00133 *z += ApplyFoundationToSlope(f, tileh);
00134
00135 Slope valid_inclined = (axis == AXIS_X ? SLOPE_NE : SLOPE_NW);
00136 if ((*tileh != SLOPE_FLAT) && (*tileh != valid_inclined)) return CMD_ERROR;
00137
00138 if (f == FOUNDATION_NONE) return CommandCost();
00139
00140 return CommandCost(EXPENSES_CONSTRUCTION, _price[PR_BUILD_FOUNDATION]);
00141 }
00142
00151 static CommandCost CheckBridgeSlopeSouth(Axis axis, Slope *tileh, uint *z)
00152 {
00153 Foundation f = GetBridgeFoundation(*tileh, axis);
00154 *z += ApplyFoundationToSlope(f, tileh);
00155
00156 Slope valid_inclined = (axis == AXIS_X ? SLOPE_SW : SLOPE_SE);
00157 if ((*tileh != SLOPE_FLAT) && (*tileh != valid_inclined)) return CMD_ERROR;
00158
00159 if (f == FOUNDATION_NONE) return CommandCost();
00160
00161 return CommandCost(EXPENSES_CONSTRUCTION, _price[PR_BUILD_FOUNDATION]);
00162 }
00163
00169 CommandCost CheckBridgeAvailability(BridgeType bridge_type, uint bridge_len, DoCommandFlag flags)
00170 {
00171 if (flags & DC_QUERY_COST) {
00172 if (bridge_len <= (_settings_game.construction.longbridges ? 100U : 16U)) return CommandCost();
00173 return_cmd_error(STR_ERROR_BRIDGE_TOO_LONG);
00174 }
00175
00176 if (bridge_type >= MAX_BRIDGES) return CMD_ERROR;
00177
00178 const BridgeSpec *b = GetBridgeSpec(bridge_type);
00179 if (b->avail_year > _cur_year) return CMD_ERROR;
00180
00181 uint max = b->max_length;
00182 if (max >= 16 && _settings_game.construction.longbridges) max = 100;
00183
00184 if (b->min_length > bridge_len) return CMD_ERROR;
00185 if (bridge_len <= max) return CommandCost();
00186 return_cmd_error(STR_ERROR_BRIDGE_TOO_LONG);
00187 }
00188
00200 CommandCost CmdBuildBridge(TileIndex end_tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
00201 {
00202 RailType railtype = INVALID_RAILTYPE;
00203 RoadTypes roadtypes = ROADTYPES_NONE;
00204 CommandCost cost(EXPENSES_CONSTRUCTION);
00205 Owner owner;
00206
00207
00208 BridgeType bridge_type = GB(p2, 0, 8);
00209
00210 if (p1 >= MapSize()) return CMD_ERROR;
00211
00212 TransportType transport_type = Extract<TransportType, 15, 2>(p2);
00213
00214
00215 switch (transport_type) {
00216 case TRANSPORT_ROAD:
00217 roadtypes = Extract<RoadTypes, 8, 2>(p2);
00218 if (!HasExactlyOneBit(roadtypes) || !HasRoadTypesAvail(_current_company, roadtypes)) return CMD_ERROR;
00219 break;
00220
00221 case TRANSPORT_RAIL:
00222 railtype = Extract<RailType, 8, 4>(p2);
00223 if (!ValParamRailtype(railtype)) return CMD_ERROR;
00224 break;
00225
00226 case TRANSPORT_WATER:
00227 break;
00228
00229 default:
00230
00231 return CMD_ERROR;
00232 }
00233 TileIndex tile_start = p1;
00234 TileIndex tile_end = end_tile;
00235
00236 if (tile_start == tile_end) {
00237 return_cmd_error(STR_ERROR_CAN_T_START_AND_END_ON);
00238 }
00239
00240 Axis direction;
00241 if (TileX(tile_start) == TileX(tile_end)) {
00242 direction = AXIS_Y;
00243 } else if (TileY(tile_start) == TileY(tile_end)) {
00244 direction = AXIS_X;
00245 } else {
00246 return_cmd_error(STR_ERROR_START_AND_END_MUST_BE_IN);
00247 }
00248
00249 if (tile_end < tile_start) Swap(tile_start, tile_end);
00250
00251 uint bridge_len = GetTunnelBridgeLength(tile_start, tile_end);
00252 if (transport_type != TRANSPORT_WATER) {
00253
00254 CommandCost ret = CheckBridgeAvailability(bridge_type, bridge_len, flags);
00255 if (ret.Failed()) return ret;
00256 } else {
00257 if (bridge_len > (_settings_game.construction.longbridges ? 100U : 16U)) return_cmd_error(STR_ERROR_BRIDGE_TOO_LONG);
00258 }
00259
00260
00261 if (IsWaterTile(tile_start) || IsWaterTile(tile_end)) {
00262 return_cmd_error(STR_ERROR_ENDS_OF_BRIDGE_MUST_BOTH);
00263 }
00264
00265 uint z_start;
00266 uint z_end;
00267 Slope tileh_start = GetTileSlope(tile_start, &z_start);
00268 Slope tileh_end = GetTileSlope(tile_end, &z_end);
00269 bool pbs_reservation = false;
00270
00271 CommandCost terraform_cost_north = CheckBridgeSlopeNorth(direction, &tileh_start, &z_start);
00272 CommandCost terraform_cost_south = CheckBridgeSlopeSouth(direction, &tileh_end, &z_end);
00273
00274 if (z_start != z_end) return_cmd_error(STR_ERROR_BRIDGEHEADS_NOT_SAME_HEIGHT);
00275
00276 if (IsBridgeTile(tile_start) && IsBridgeTile(tile_end) &&
00277 GetOtherBridgeEnd(tile_start) == tile_end &&
00278 GetTunnelBridgeTransportType(tile_start) == transport_type) {
00279
00280
00281
00282 if (transport_type == TRANSPORT_RAIL && GetRailType(tile_start) != railtype) {
00283 return_cmd_error(STR_ERROR_MUST_DEMOLISH_BRIDGE_FIRST);
00284 }
00285
00286
00287 if (!(flags & DC_QUERY_COST) && IsTileOwner(tile_start, OWNER_TOWN) &&
00288 GetBridgeSpec(bridge_type)->speed < GetBridgeSpec(GetBridgeType(tile_start))->speed) {
00289 Town *t = ClosestTownFromTile(tile_start, UINT_MAX);
00290
00291 if (t == NULL) {
00292 return CMD_ERROR;
00293 } else {
00294 SetDParam(0, t->index);
00295 return_cmd_error(STR_ERROR_LOCAL_AUTHORITY_REFUSES_TO_ALLOW_THIS);
00296 }
00297 }
00298
00299
00300 if (!(flags & DC_QUERY_COST) && bridge_type == GetBridgeType(tile_start)) {
00301 return_cmd_error(STR_ERROR_ALREADY_BUILT);
00302 }
00303
00304
00305 if (!IsTileOwner(tile_start, _current_company) && !IsTileOwner(tile_start, OWNER_TOWN)) {
00306 return_cmd_error(STR_ERROR_AREA_IS_OWNED_BY_ANOTHER);
00307 }
00308
00309 cost.AddCost((bridge_len + 1) * _price[PR_CLEAR_BRIDGE]);
00310 owner = GetTileOwner(tile_start);
00311
00312 switch (transport_type) {
00313 case TRANSPORT_RAIL:
00314
00315 pbs_reservation = HasTunnelBridgeReservation(tile_start);
00316 break;
00317
00318 case TRANSPORT_ROAD:
00319
00320 roadtypes |= GetRoadTypes(tile_start);
00321 break;
00322
00323 default: break;
00324 }
00325 } else {
00326
00327
00328 bool allow_on_slopes = (_settings_game.construction.build_on_slopes && transport_type != TRANSPORT_WATER);
00329
00330
00331 CommandCost ret = DoCommand(tile_start, 0, 0, flags, CMD_LANDSCAPE_CLEAR);
00332 if (ret.Failed()) return ret;
00333 cost = ret;
00334
00335 if (terraform_cost_north.Failed() || (terraform_cost_north.GetCost() != 0 && !allow_on_slopes))
00336 return_cmd_error(STR_ERROR_LAND_SLOPED_IN_WRONG_DIRECTION);
00337 cost.AddCost(terraform_cost_north);
00338
00339
00340 ret = DoCommand(tile_end, 0, 0, flags, CMD_LANDSCAPE_CLEAR);
00341 if (ret.Failed()) return ret;
00342 cost.AddCost(ret);
00343
00344
00345 if (terraform_cost_south.Failed() || (terraform_cost_south.GetCost() != 0 && !allow_on_slopes))
00346 return_cmd_error(STR_ERROR_LAND_SLOPED_IN_WRONG_DIRECTION);
00347 cost.AddCost(terraform_cost_south);
00348
00349 if (transport_type == TRANSPORT_WATER && (tileh_start == SLOPE_FLAT || tileh_end == SLOPE_FLAT)) return_cmd_error(STR_ERROR_LAND_SLOPED_IN_WRONG_DIRECTION);
00350
00351 const TileIndex heads[] = {tile_start, tile_end};
00352 for (int i = 0; i < 2; i++) {
00353 if (MayHaveBridgeAbove(heads[i])) {
00354 if (IsBridgeAbove(heads[i])) {
00355 TileIndex north_head = GetNorthernBridgeEnd(heads[i]);
00356
00357 if (direction == GetBridgeAxis(heads[i])) return_cmd_error(STR_ERROR_MUST_DEMOLISH_BRIDGE_FIRST);
00358
00359 if (z_start + TILE_HEIGHT == GetBridgeHeight(north_head)) {
00360 return_cmd_error(STR_ERROR_MUST_DEMOLISH_BRIDGE_FIRST);
00361 }
00362 }
00363 }
00364 }
00365
00366 TileIndexDiff delta = (direction == AXIS_X ? TileDiffXY(1, 0) : TileDiffXY(0, 1));
00367 for (TileIndex tile = tile_start + delta; tile != tile_end; tile += delta) {
00368 if (GetTileMaxZ(tile) > z_start) return_cmd_error(STR_ERROR_BRIDGE_TOO_LOW_FOR_TERRAIN);
00369
00370 if (MayHaveBridgeAbove(tile) && IsBridgeAbove(tile)) {
00371
00372 return_cmd_error(STR_ERROR_MUST_DEMOLISH_BRIDGE_FIRST);
00373 }
00374
00375 switch (GetTileType(tile)) {
00376 case MP_WATER:
00377 if (!IsWater(tile) && !IsCoast(tile)) goto not_valid_below;
00378 break;
00379
00380 case MP_RAILWAY:
00381 if (!IsPlainRail(tile)) goto not_valid_below;
00382 break;
00383
00384 case MP_ROAD:
00385 if (IsRoadDepot(tile)) goto not_valid_below;
00386 break;
00387
00388 case MP_TUNNELBRIDGE:
00389 if (IsTunnel(tile)) break;
00390 if (direction == DiagDirToAxis(GetTunnelBridgeDirection(tile))) goto not_valid_below;
00391 if (z_start < GetBridgeHeight(tile)) goto not_valid_below;
00392 break;
00393
00394 case MP_UNMOVABLE:
00395 if (!IsOwnedLand(tile)) goto not_valid_below;
00396 break;
00397
00398 case MP_CLEAR:
00399 break;
00400
00401 default:
00402 not_valid_below:;
00403
00404 ret = DoCommand(tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR);
00405 if (ret.Failed()) return ret;
00406 cost.AddCost(ret);
00407 break;
00408 }
00409
00410 if (flags & DC_EXEC) {
00411
00412
00413
00414 SetBridgeMiddle(tile, direction);
00415 }
00416 }
00417
00418 owner = _current_company;
00419 }
00420
00421
00422 if (flags & DC_EXEC) {
00423 DiagDirection dir = AxisToDiagDir(direction);
00424
00425 switch (transport_type) {
00426 case TRANSPORT_RAIL:
00427 MakeRailBridgeRamp(tile_start, owner, bridge_type, dir, railtype);
00428 MakeRailBridgeRamp(tile_end, owner, bridge_type, ReverseDiagDir(dir), railtype);
00429 SetTunnelBridgeReservation(tile_start, pbs_reservation);
00430 SetTunnelBridgeReservation(tile_end, pbs_reservation);
00431 break;
00432
00433 case TRANSPORT_ROAD:
00434 MakeRoadBridgeRamp(tile_start, owner, bridge_type, dir, roadtypes);
00435 MakeRoadBridgeRamp(tile_end, owner, bridge_type, ReverseDiagDir(dir), roadtypes);
00436 break;
00437
00438 case TRANSPORT_WATER:
00439 MakeAqueductBridgeRamp(tile_start, owner, dir);
00440 MakeAqueductBridgeRamp(tile_end, owner, ReverseDiagDir(dir));
00441 break;
00442
00443 default:
00444 NOT_REACHED();
00445 }
00446
00447
00448 TileIndexDiff delta = (direction == AXIS_X ? TileDiffXY(1, 0) : TileDiffXY(0, 1));
00449 for (TileIndex tile = tile_start; tile <= tile_end; tile += delta) {
00450 MarkTileDirtyByTile(tile);
00451 }
00452 }
00453
00454 if ((flags & DC_EXEC) && transport_type == TRANSPORT_RAIL) {
00455 Track track = AxisToTrack(direction);
00456 AddSideToSignalBuffer(tile_start, INVALID_DIAGDIR, _current_company);
00457 YapfNotifyTrackLayoutChange(tile_start, track);
00458 }
00459
00460
00461
00462
00463
00464 Company *c = Company::GetIfValid(_current_company);
00465 if (!(flags & DC_QUERY_COST) || (c != NULL && c->is_ai)) {
00466 bridge_len += 2;
00467
00468 switch (transport_type) {
00469 case TRANSPORT_ROAD: cost.AddCost(bridge_len * _price[PR_BUILD_ROAD] * 2); break;
00470 case TRANSPORT_RAIL: cost.AddCost(bridge_len * RailBuildCost(railtype)); break;
00471 default: break;
00472 }
00473
00474 if (c != NULL) bridge_len = CalcBridgeLenCostFactor(bridge_len);
00475
00476 cost.AddCost((int64)bridge_len * _price[PR_BUILD_BRIDGE] * GetBridgeSpec(bridge_type)->price >> 8);
00477
00478
00479 if (transport_type == TRANSPORT_WATER) cost.AddCost((int64)bridge_len * _price[PR_CLEAR_WATER]);
00480 }
00481
00482 return cost;
00483 }
00484
00485
00495 CommandCost CmdBuildTunnel(TileIndex start_tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
00496 {
00497 TransportType transport_type = Extract<TransportType, 8, 2>(p1);
00498 CommandCost cost(EXPENSES_CONSTRUCTION);
00499
00500 RailType railtype = INVALID_RAILTYPE;
00501 RoadTypes rts = ROADTYPES_NONE;
00502 _build_tunnel_endtile = 0;
00503 switch (transport_type) {
00504 case TRANSPORT_RAIL:
00505 railtype = Extract<RailType, 0, 4>(p1);
00506 if (!ValParamRailtype(railtype)) return CMD_ERROR;
00507 break;
00508
00509 case TRANSPORT_ROAD:
00510 rts = Extract<RoadTypes, 0, 2>(p1);
00511 if (!HasExactlyOneBit(rts) || !HasRoadTypesAvail(_current_company, rts)) return CMD_ERROR;
00512 break;
00513
00514 default: return CMD_ERROR;
00515 }
00516
00517 uint start_z;
00518 uint end_z;
00519 Slope start_tileh = GetTileSlope(start_tile, &start_z);
00520 DiagDirection direction = GetInclinedSlopeDirection(start_tileh);
00521 if (direction == INVALID_DIAGDIR) return_cmd_error(STR_ERROR_SITE_UNSUITABLE_FOR_TUNNEL);
00522
00523 if (IsWaterTile(start_tile)) return_cmd_error(STR_ERROR_CAN_T_BUILD_ON_WATER);
00524
00525 CommandCost ret = DoCommand(start_tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR);
00526 if (ret.Failed()) return ret;
00527
00528
00529
00530
00531
00532
00533 TileIndexDiff delta = TileOffsByDiagDir(direction);
00534 DiagDirection tunnel_in_way_dir;
00535 if (DiagDirToAxis(direction) == AXIS_Y) {
00536 tunnel_in_way_dir = (TileX(start_tile) < (MapMaxX() / 2)) ? DIAGDIR_SW : DIAGDIR_NE;
00537 } else {
00538 tunnel_in_way_dir = (TileY(start_tile) < (MapMaxX() / 2)) ? DIAGDIR_SE : DIAGDIR_NW;
00539 }
00540
00541 TileIndex end_tile = start_tile;
00542
00543
00544 int tiles_coef = 3;
00545
00546 int tiles = 0;
00547
00548 int tiles_bump = 25;
00549
00550 Slope end_tileh;
00551 for (;;) {
00552 end_tile += delta;
00553 if (!IsValidTile(end_tile)) return_cmd_error(STR_ERROR_TUNNEL_THROUGH_MAP_BORDER);
00554 end_tileh = GetTileSlope(end_tile, &end_z);
00555
00556 if (start_z == end_z) break;
00557
00558 if (!_cheats.crossing_tunnels.value && IsTunnelInWayDir(end_tile, start_z, tunnel_in_way_dir)) {
00559 return_cmd_error(STR_ERROR_ANOTHER_TUNNEL_IN_THE_WAY);
00560 }
00561
00562 tiles++;
00563 if (tiles == tiles_bump) {
00564 tiles_coef++;
00565 tiles_bump *= 2;
00566 }
00567
00568 cost.AddCost(_price[PR_BUILD_TUNNEL]);
00569 cost.AddCost(cost.GetCost() >> tiles_coef);
00570 }
00571
00572
00573 cost.AddCost(_price[PR_BUILD_TUNNEL]);
00574 cost.AddCost(ret);
00575
00576
00577 _build_tunnel_endtile = end_tile;
00578
00579 if (IsWaterTile(end_tile)) return_cmd_error(STR_ERROR_CAN_T_BUILD_ON_WATER);
00580
00581
00582 if (end_tileh != ComplementSlope(start_tileh)) {
00583
00584
00585
00586
00587 ret = DoCommand(end_tile, 0, 0, DC_AUTO, CMD_LANDSCAPE_CLEAR);
00588 if (ret.Failed()) return_cmd_error(STR_ERROR_UNABLE_TO_EXCAVATE_LAND);
00589
00590 ret = DoCommand(end_tile, end_tileh & start_tileh, 0, flags, CMD_TERRAFORM_LAND);
00591 if (ret.Failed()) return_cmd_error(STR_ERROR_UNABLE_TO_EXCAVATE_LAND);
00592 } else {
00593 ret = DoCommand(end_tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR);
00594 if (ret.Failed()) return ret;
00595 }
00596 cost.AddCost(_price[PR_BUILD_TUNNEL]);
00597 cost.AddCost(ret);
00598
00599
00600 switch (transport_type) {
00601 case TRANSPORT_ROAD: cost.AddCost((tiles + 2) * _price[PR_BUILD_ROAD] * 2); break;
00602 case TRANSPORT_RAIL: cost.AddCost((tiles + 2) * RailBuildCost(railtype)); break;
00603 default: break;
00604 }
00605
00606 if (flags & DC_EXEC) {
00607 if (transport_type == TRANSPORT_RAIL) {
00608 MakeRailTunnel(start_tile, _current_company, direction, railtype);
00609 MakeRailTunnel(end_tile, _current_company, ReverseDiagDir(direction), railtype);
00610 AddSideToSignalBuffer(start_tile, INVALID_DIAGDIR, _current_company);
00611 YapfNotifyTrackLayoutChange(start_tile, DiagDirToDiagTrack(direction));
00612 } else {
00613 MakeRoadTunnel(start_tile, _current_company, direction, rts);
00614 MakeRoadTunnel(end_tile, _current_company, ReverseDiagDir(direction), rts);
00615 }
00616 }
00617
00618 return cost;
00619 }
00620
00621
00622 static inline bool CheckAllowRemoveTunnelBridge(TileIndex tile)
00623 {
00624
00625 if (_current_company == OWNER_WATER || _game_mode == GM_EDITOR) return true;
00626
00627 switch (GetTunnelBridgeTransportType(tile)) {
00628 case TRANSPORT_ROAD: {
00629 RoadTypes rts = GetRoadTypes(tile);
00630 Owner road_owner = _current_company;
00631 Owner tram_owner = _current_company;
00632
00633 if (HasBit(rts, ROADTYPE_ROAD)) road_owner = GetRoadOwner(tile, ROADTYPE_ROAD);
00634 if (HasBit(rts, ROADTYPE_TRAM)) tram_owner = GetRoadOwner(tile, ROADTYPE_TRAM);
00635
00636
00637 if (road_owner == OWNER_TOWN && !(_settings_game.construction.extra_dynamite || _cheats.magic_bulldozer.value)) return CheckTileOwnership(tile);
00638 if (road_owner == OWNER_NONE || road_owner == OWNER_TOWN) road_owner = _current_company;
00639 if (tram_owner == OWNER_NONE) tram_owner = _current_company;
00640
00641 return CheckOwnership(road_owner, tile) && CheckOwnership(tram_owner, tile);
00642 }
00643
00644 case TRANSPORT_RAIL:
00645 case TRANSPORT_WATER:
00646 return CheckOwnership(GetTileOwner(tile));
00647
00648 default: NOT_REACHED();
00649 }
00650 }
00651
00652 static CommandCost DoClearTunnel(TileIndex tile, DoCommandFlag flags)
00653 {
00654 Town *t = NULL;
00655 TileIndex endtile;
00656
00657 if (!CheckAllowRemoveTunnelBridge(tile)) return CMD_ERROR;
00658
00659 endtile = GetOtherTunnelEnd(tile);
00660
00661 if (HasVehicleOnTunnelBridge(tile, endtile)) return CMD_ERROR;
00662
00663 _build_tunnel_endtile = endtile;
00664
00665 if (IsTileOwner(tile, OWNER_TOWN) && _game_mode != GM_EDITOR) {
00666 t = ClosestTownFromTile(tile, UINT_MAX);
00667
00668
00669
00670 if (!CheckforTownRating(flags, t, TUNNELBRIDGE_REMOVE)) {
00671 SetDParam(0, t->index);
00672 return_cmd_error(STR_ERROR_LOCAL_AUTHORITY_REFUSES_TO_ALLOW_THIS);
00673 }
00674 }
00675
00676
00677
00678 if (IsTileOwner(tile, OWNER_TOWN) && _game_mode != GM_EDITOR) {
00679 ChangeTownRating(t, RATING_TUNNEL_BRIDGE_DOWN_STEP, RATING_TUNNEL_BRIDGE_MINIMUM, flags);
00680 }
00681
00682 if (flags & DC_EXEC) {
00683 if (GetTunnelBridgeTransportType(tile) == TRANSPORT_RAIL) {
00684
00685 DiagDirection dir = GetTunnelBridgeDirection(tile);
00686 Track track = DiagDirToDiagTrack(dir);
00687 Owner owner = GetTileOwner(tile);
00688
00689 Train *v = NULL;
00690 if (HasTunnelBridgeReservation(tile)) {
00691 v = GetTrainForReservation(tile, track);
00692 if (v != NULL) FreeTrainTrackReservation(v);
00693 }
00694
00695 DoClearSquare(tile);
00696 DoClearSquare(endtile);
00697
00698
00699 AddSideToSignalBuffer(tile, ReverseDiagDir(dir), owner);
00700 AddSideToSignalBuffer(endtile, dir, owner);
00701
00702 YapfNotifyTrackLayoutChange(tile, track);
00703 YapfNotifyTrackLayoutChange(endtile, track);
00704
00705 if (v != NULL) TryPathReserve(v);
00706 } else {
00707 DoClearSquare(tile);
00708 DoClearSquare(endtile);
00709 }
00710 }
00711 return CommandCost(EXPENSES_CONSTRUCTION, _price[PR_CLEAR_TUNNEL] * (GetTunnelBridgeLength(tile, endtile) + 2));
00712 }
00713
00714
00715 static CommandCost DoClearBridge(TileIndex tile, DoCommandFlag flags)
00716 {
00717 DiagDirection direction;
00718 TileIndexDiff delta;
00719 TileIndex endtile;
00720 Town *t = NULL;
00721
00722 if (!CheckAllowRemoveTunnelBridge(tile)) return CMD_ERROR;
00723
00724 endtile = GetOtherBridgeEnd(tile);
00725
00726 if (HasVehicleOnTunnelBridge(tile, endtile)) return CMD_ERROR;
00727
00728 direction = GetTunnelBridgeDirection(tile);
00729 delta = TileOffsByDiagDir(direction);
00730
00731 if (IsTileOwner(tile, OWNER_TOWN) && _game_mode != GM_EDITOR) {
00732 t = ClosestTownFromTile(tile, UINT_MAX);
00733
00734
00735
00736 if (!CheckforTownRating(flags, t, TUNNELBRIDGE_REMOVE)) {
00737 SetDParam(0, t->index);
00738 return_cmd_error(STR_ERROR_LOCAL_AUTHORITY_REFUSES_TO_ALLOW_THIS);
00739 }
00740 }
00741
00742
00743
00744 if (IsTileOwner(tile, OWNER_TOWN) && _game_mode != GM_EDITOR) {
00745 ChangeTownRating(t, RATING_TUNNEL_BRIDGE_DOWN_STEP, RATING_TUNNEL_BRIDGE_MINIMUM, flags);
00746 }
00747
00748 if (flags & DC_EXEC) {
00749
00750 bool rail = GetTunnelBridgeTransportType(tile) == TRANSPORT_RAIL;
00751 Owner owner = GetTileOwner(tile);
00752 uint height = GetBridgeHeight(tile);
00753 Train *v = NULL;
00754
00755 if (rail && HasTunnelBridgeReservation(tile)) {
00756 v = GetTrainForReservation(tile, DiagDirToDiagTrack(direction));
00757 if (v != NULL) FreeTrainTrackReservation(v);
00758 }
00759
00760 DoClearSquare(tile);
00761 DoClearSquare(endtile);
00762 for (TileIndex c = tile + delta; c != endtile; c += delta) {
00763
00764 if (IsNormalRoadTile(c) && GetRoadside(c) == ROADSIDE_TREES) {
00765 uint minz = GetTileMaxZ(c) + 3 * TILE_HEIGHT;
00766 if (height < minz) SetRoadside(c, ROADSIDE_PAVED);
00767 }
00768 ClearBridgeMiddle(c);
00769 MarkTileDirtyByTile(c);
00770 }
00771
00772 if (rail) {
00773
00774 AddSideToSignalBuffer(tile, ReverseDiagDir(direction), owner);
00775 AddSideToSignalBuffer(endtile, direction, owner);
00776
00777 Track track = DiagDirToDiagTrack(direction);
00778 YapfNotifyTrackLayoutChange(tile, track);
00779 YapfNotifyTrackLayoutChange(endtile, track);
00780
00781 if (v != NULL) TryPathReserve(v, true);
00782 }
00783 }
00784
00785 return CommandCost(EXPENSES_CONSTRUCTION, (GetTunnelBridgeLength(tile, endtile) + 2) * _price[PR_CLEAR_BRIDGE]);
00786 }
00787
00788 static CommandCost ClearTile_TunnelBridge(TileIndex tile, DoCommandFlag flags)
00789 {
00790 if (IsTunnel(tile)) {
00791 if (flags & DC_AUTO) return_cmd_error(STR_ERROR_MUST_DEMOLISH_TUNNEL_FIRST);
00792 return DoClearTunnel(tile, flags);
00793 } else {
00794 if (flags & DC_AUTO) return_cmd_error(STR_ERROR_MUST_DEMOLISH_BRIDGE_FIRST);
00795 return DoClearBridge(tile, flags);
00796 }
00797
00798 return CMD_ERROR;
00799 }
00800
00812 static void DrawBridgePillars(const PalSpriteID *psid, const TileInfo *ti, Axis axis, bool drawfarpillar, int x, int y, int z_bridge)
00813 {
00814
00815 if (IsInvisibilitySet(TO_BRIDGES)) return;
00816
00817 SpriteID image = psid->sprite;
00818
00819 if (image != 0) {
00820
00821
00822
00823
00824
00825
00826
00827
00828
00829 bool side = HasBit(image, 0);
00830
00831
00832 DiagDirection dir = AxisToDiagDir(axis);
00833 if (side != (axis == AXIS_Y)) dir = ReverseDiagDir(dir);
00834
00835
00836 int front_height = ti->z;
00837 int back_height = ti->z;
00838 GetSlopeZOnEdge(ti->tileh, dir, &front_height, &back_height);
00839
00840
00841 int w = (axis == AXIS_X ? 16 : 2);
00842 int h = (axis == AXIS_X ? 2 : 16);
00843
00844 int x_back = x - (axis == AXIS_X ? 0 : 9);
00845 int y_back = y - (axis == AXIS_X ? 9 : 0);
00846
00847 for (int cur_z = z_bridge; cur_z >= front_height || cur_z >= back_height; cur_z -= TILE_HEIGHT) {
00848
00849 if (cur_z >= front_height) {
00850 AddSortableSpriteToDraw(image, psid->pal, x, y, w, h, BB_HEIGHT_UNDER_BRIDGE - 5, cur_z, IsTransparencySet(TO_BRIDGES), 0, 0, -5);
00851 }
00852
00853
00854 if (drawfarpillar && cur_z >= back_height && cur_z < z_bridge - TILE_HEIGHT) {
00855 AddSortableSpriteToDraw(image, psid->pal, x_back, y_back, w, h, BB_HEIGHT_UNDER_BRIDGE - 5, cur_z, IsTransparencySet(TO_BRIDGES), 0, 0, -5);
00856 }
00857 }
00858 }
00859 }
00860
00870 static void DrawBridgeTramBits(int x, int y, byte z, int offset, bool overlay, bool head)
00871 {
00872 static const SpriteID tram_offsets[2][6] = { { 107, 108, 109, 110, 111, 112 }, { 4, 5, 15, 16, 17, 18 } };
00873 static const SpriteID back_offsets[6] = { 95, 96, 99, 102, 100, 101 };
00874 static const SpriteID front_offsets[6] = { 97, 98, 103, 106, 104, 105 };
00875
00876 static const uint size_x[6] = { 1, 16, 16, 1, 16, 1 };
00877 static const uint size_y[6] = { 16, 1, 1, 16, 1, 16 };
00878 static const uint front_bb_offset_x[6] = { 15, 0, 0, 15, 0, 15 };
00879 static const uint front_bb_offset_y[6] = { 0, 15, 15, 0, 15, 0 };
00880
00881
00882
00883 if (head || !IsInvisibilitySet(TO_BRIDGES)) {
00884 AddSortableSpriteToDraw(SPR_TRAMWAY_BASE + tram_offsets[overlay][offset], PAL_NONE,
00885 x, y, size_x[offset], size_y[offset], 0x28, z,
00886 !head && IsTransparencySet(TO_BRIDGES));
00887 }
00888
00889
00890 if (!IsInvisibilitySet(TO_CATENARY)) {
00891 AddSortableSpriteToDraw(SPR_TRAMWAY_BASE + back_offsets[offset], PAL_NONE,
00892 x, y, size_x[offset], size_y[offset], 0x28, z,
00893 IsTransparencySet(TO_CATENARY));
00894 }
00895
00896
00897 EndSpriteCombine();
00898 StartSpriteCombine();
00899
00900
00901 if (!IsInvisibilitySet(TO_CATENARY)) {
00902 AddSortableSpriteToDraw(SPR_TRAMWAY_BASE + front_offsets[offset], PAL_NONE,
00903 x, y, size_x[offset] + front_bb_offset_x[offset], size_y[offset] + front_bb_offset_y[offset], 0x28, z,
00904 IsTransparencySet(TO_CATENARY), front_bb_offset_x[offset], front_bb_offset_y[offset]);
00905 }
00906 }
00907
00921 static void DrawTile_TunnelBridge(TileInfo *ti)
00922 {
00923 SpriteID image;
00924 TransportType transport_type = GetTunnelBridgeTransportType(ti->tile);
00925 DiagDirection tunnelbridge_direction = GetTunnelBridgeDirection(ti->tile);
00926
00927 if (IsTunnel(ti->tile)) {
00928
00929
00930
00931
00932
00933
00934
00935
00936
00937 static const int _tunnel_BB[4][12] = {
00938
00939
00940 { 1, 0, -15, -14, 0, 15, 16, 1, 0, 1, 16, 15 },
00941 { 0, 1, -14, -15, 15, 0, 1, 16, 1, 0, 15, 16 },
00942 { 1, 0, -15, -14, 0, 15, 16, 1, 0, 1, 16, 15 },
00943 { 0, 1, -14, -15, 15, 0, 1, 16, 1, 0, 15, 16 },
00944 };
00945 const int *BB_data = _tunnel_BB[tunnelbridge_direction];
00946
00947 bool catenary = false;
00948
00949 if (transport_type == TRANSPORT_RAIL) {
00950 image = GetRailTypeInfo(GetRailType(ti->tile))->base_sprites.tunnel;
00951 } else {
00952 image = SPR_TUNNEL_ENTRY_REAR_ROAD;
00953 }
00954
00955 if (HasTunnelBridgeSnowOrDesert(ti->tile)) image += 32;
00956
00957 image += tunnelbridge_direction * 2;
00958 DrawGroundSprite(image, PAL_NONE);
00959
00960
00961 if (_game_mode != GM_MENU && _settings_client.gui.show_track_reservation && (transport_type == TRANSPORT_RAIL && HasTunnelBridgeReservation(ti->tile))) {
00962 const RailtypeInfo *rti = GetRailTypeInfo(GetRailType(ti->tile));
00963 DrawGroundSprite(DiagDirToAxis(tunnelbridge_direction) == AXIS_X ? rti->base_sprites.single_x : rti->base_sprites.single_y, PALETTE_CRASH);
00964 }
00965
00966 if (transport_type == TRANSPORT_ROAD) {
00967 RoadTypes rts = GetRoadTypes(ti->tile);
00968
00969 if (HasBit(rts, ROADTYPE_TRAM)) {
00970 static const SpriteID tunnel_sprites[2][4] = { { 28, 78, 79, 27 }, { 5, 76, 77, 4 } };
00971
00972 DrawGroundSprite(SPR_TRAMWAY_BASE + tunnel_sprites[rts - ROADTYPES_TRAM][tunnelbridge_direction], PAL_NONE);
00973
00974
00975 if (!IsInvisibilitySet(TO_CATENARY)) {
00976 catenary = true;
00977 StartSpriteCombine();
00978 AddSortableSpriteToDraw(SPR_TRAMWAY_TUNNEL_WIRES + tunnelbridge_direction, PAL_NONE, ti->x, ti->y, BB_data[10], BB_data[11], TILE_HEIGHT, ti->z, IsTransparencySet(TO_CATENARY), BB_data[8], BB_data[9], BB_Z_SEPARATOR);
00979 }
00980 }
00981 } else {
00982 const RailtypeInfo *rti = GetRailTypeInfo(GetRailType(ti->tile));
00983 if (rti->UsesOverlay()) {
00984 SpriteID surface = GetCustomRailSprite(rti, ti->tile, RTSG_TUNNEL);
00985 if (surface != 0) DrawGroundSprite(surface + tunnelbridge_direction, PAL_NONE);
00986 }
00987
00988 if (HasCatenaryDrawn(GetRailType(ti->tile))) {
00989
00990 DrawCatenary(ti);
00991
00992 catenary = true;
00993 StartSpriteCombine();
00994
00995 DrawCatenaryOnTunnel(ti);
00996 }
00997 }
00998
00999 AddSortableSpriteToDraw(image + 1, PAL_NONE, ti->x + TILE_SIZE - 1, ti->y + TILE_SIZE - 1, BB_data[0], BB_data[1], TILE_HEIGHT, ti->z, false, BB_data[2], BB_data[3], BB_Z_SEPARATOR);
01000
01001 if (catenary) EndSpriteCombine();
01002
01003
01004 AddSortableSpriteToDraw(SPR_EMPTY_BOUNDING_BOX, PAL_NONE, ti->x, ti->y, BB_data[6], BB_data[7], TILE_HEIGHT, ti->z);
01005 AddSortableSpriteToDraw(SPR_EMPTY_BOUNDING_BOX, PAL_NONE, ti->x + BB_data[4], ti->y + BB_data[5], BB_data[6], BB_data[7], TILE_HEIGHT, ti->z);
01006
01007 DrawBridgeMiddle(ti);
01008 } else {
01009 const PalSpriteID *psid;
01010 int base_offset;
01011 bool ice = HasTunnelBridgeSnowOrDesert(ti->tile);
01012
01013 if (transport_type == TRANSPORT_RAIL) {
01014 base_offset = GetRailTypeInfo(GetRailType(ti->tile))->bridge_offset;
01015 assert(base_offset != 8);
01016 } else {
01017 base_offset = 8;
01018 }
01019
01020
01021 assert( (base_offset & 0x07) == 0x00);
01022
01023 DrawFoundation(ti, GetBridgeFoundation(ti->tileh, DiagDirToAxis(tunnelbridge_direction)));
01024
01025
01026 base_offset += (6 - tunnelbridge_direction) % 4;
01027
01028 if (ti->tileh == SLOPE_FLAT) base_offset += 4;
01029
01030
01031 if (transport_type != TRANSPORT_WATER) {
01032 psid = &GetBridgeSpriteTable(GetBridgeType(ti->tile), BRIDGE_PIECE_HEAD)[base_offset];
01033 } else {
01034 psid = _aqueduct_sprites + base_offset;
01035 }
01036
01037 if (!ice) {
01038 DrawClearLandTile(ti, 3);
01039 } else {
01040 DrawGroundSprite(SPR_FLAT_SNOW_DESERT_TILE + _tileh_to_sprite[ti->tileh], PAL_NONE);
01041 }
01042
01043
01044
01045
01046 if (transport_type == TRANSPORT_ROAD || transport_type == TRANSPORT_RAIL) StartSpriteCombine();
01047
01048
01049
01050
01051
01052 AddSortableSpriteToDraw(psid->sprite, psid->pal, ti->x, ti->y, 16, 16, ti->tileh == SLOPE_FLAT ? 0 : 8, ti->z);
01053
01054 if (transport_type == TRANSPORT_ROAD) {
01055 RoadTypes rts = GetRoadTypes(ti->tile);
01056
01057 if (HasBit(rts, ROADTYPE_TRAM)) {
01058 uint offset = tunnelbridge_direction;
01059 uint z = ti->z;
01060 if (ti->tileh != SLOPE_FLAT) {
01061 offset = (offset + 1) & 1;
01062 z += TILE_HEIGHT;
01063 } else {
01064 offset += 2;
01065 }
01066
01067 DrawBridgeTramBits(ti->x, ti->y, z, offset, HasBit(rts, ROADTYPE_ROAD), true);
01068 }
01069 EndSpriteCombine();
01070 } else if (transport_type == TRANSPORT_RAIL) {
01071 const RailtypeInfo *rti = GetRailTypeInfo(GetRailType(ti->tile));
01072 if (rti->UsesOverlay()) {
01073 SpriteID surface = GetCustomRailSprite(rti, ti->tile, RTSG_BRIDGE);
01074 if (surface != 0) {
01075 if (HasBridgeFlatRamp(ti->tileh, DiagDirToAxis(tunnelbridge_direction))) {
01076 AddSortableSpriteToDraw(surface + ((DiagDirToAxis(tunnelbridge_direction) == AXIS_X) ? RTBO_X : RTBO_Y), PAL_NONE, ti->x, ti->y, 16, 16, 0, ti->z + 8);
01077 } else {
01078 AddSortableSpriteToDraw(surface + RTBO_SLOPE + tunnelbridge_direction, PAL_NONE, ti->x, ti->y, 16, 16, 8, ti->z);
01079 }
01080 }
01081
01082
01083
01084 } else if (_game_mode != GM_MENU &&_settings_client.gui.show_track_reservation && HasTunnelBridgeReservation(ti->tile)) {
01085 if (HasBridgeFlatRamp(ti->tileh, DiagDirToAxis(tunnelbridge_direction))) {
01086 AddSortableSpriteToDraw(DiagDirToAxis(tunnelbridge_direction) == AXIS_X ? rti->base_sprites.single_x : rti->base_sprites.single_y, PALETTE_CRASH, ti->x, ti->y, 16, 16, 0, ti->z + 8);
01087 } else {
01088 AddSortableSpriteToDraw(rti->base_sprites.single_sloped + tunnelbridge_direction, PALETTE_CRASH, ti->x, ti->y, 16, 16, 8, ti->z);
01089 }
01090 }
01091 EndSpriteCombine();
01092 if (HasCatenaryDrawn(GetRailType(ti->tile))) {
01093 DrawCatenary(ti);
01094 }
01095 }
01096
01097 DrawBridgeMiddle(ti);
01098 }
01099 }
01100
01101
01119 static BridgePieces CalcBridgePiece(uint north, uint south)
01120 {
01121 if (north == 1) {
01122 return BRIDGE_PIECE_NORTH;
01123 } else if (south == 1) {
01124 return BRIDGE_PIECE_SOUTH;
01125 } else if (north < south) {
01126 return north & 1 ? BRIDGE_PIECE_INNER_SOUTH : BRIDGE_PIECE_INNER_NORTH;
01127 } else if (north > south) {
01128 return south & 1 ? BRIDGE_PIECE_INNER_NORTH : BRIDGE_PIECE_INNER_SOUTH;
01129 } else {
01130 return north & 1 ? BRIDGE_PIECE_MIDDLE_EVEN : BRIDGE_PIECE_MIDDLE_ODD;
01131 }
01132 }
01133
01134
01135 void DrawBridgeMiddle(const TileInfo *ti)
01136 {
01137
01138
01139
01140
01141
01142
01143
01144
01145
01146
01147
01148
01149
01150
01151
01152
01153
01154 static const int BRIDGE_Z_START = 3;
01155
01156 if (!IsBridgeAbove(ti->tile)) return;
01157
01158 TileIndex rampnorth = GetNorthernBridgeEnd(ti->tile);
01159 TileIndex rampsouth = GetSouthernBridgeEnd(ti->tile);
01160 TransportType transport_type = GetTunnelBridgeTransportType(rampsouth);
01161
01162 Axis axis = GetBridgeAxis(ti->tile);
01163 BridgePieces piece = CalcBridgePiece(
01164 GetTunnelBridgeLength(ti->tile, rampnorth) + 1,
01165 GetTunnelBridgeLength(ti->tile, rampsouth) + 1
01166 );
01167
01168 const PalSpriteID *psid;
01169 bool drawfarpillar;
01170 if (transport_type != TRANSPORT_WATER) {
01171 BridgeType type = GetBridgeType(rampsouth);
01172 drawfarpillar = !HasBit(GetBridgeSpec(type)->flags, 0);
01173
01174 uint base_offset;
01175 if (transport_type == TRANSPORT_RAIL) {
01176 base_offset = GetRailTypeInfo(GetRailType(rampsouth))->bridge_offset;
01177 } else {
01178 base_offset = 8;
01179 }
01180
01181 psid = base_offset + GetBridgeSpriteTable(type, piece);
01182 } else {
01183 drawfarpillar = true;
01184 psid = _aqueduct_sprites;
01185 }
01186
01187 if (axis != AXIS_X) psid += 4;
01188
01189 int x = ti->x;
01190 int y = ti->y;
01191 uint bridge_z = GetBridgeHeight(rampsouth);
01192 uint z = bridge_z - BRIDGE_Z_START;
01193
01194
01195 AddSortableSpriteToDraw(SPR_EMPTY_BOUNDING_BOX, PAL_NONE, x, y, 16, 16, 1, bridge_z - TILE_HEIGHT + BB_Z_SEPARATOR);
01196
01197
01198 if (transport_type == TRANSPORT_ROAD || transport_type == TRANSPORT_RAIL) StartSpriteCombine();
01199
01200
01201 if (!IsInvisibilitySet(TO_BRIDGES)) {
01202 if (axis == AXIS_X) {
01203 AddSortableSpriteToDraw(psid->sprite, psid->pal, x, y, 16, 1, 0x28, z, IsTransparencySet(TO_BRIDGES), 0, 0, BRIDGE_Z_START);
01204 } else {
01205 AddSortableSpriteToDraw(psid->sprite, psid->pal, x, y, 1, 16, 0x28, z, IsTransparencySet(TO_BRIDGES), 0, 0, BRIDGE_Z_START);
01206 }
01207 }
01208
01209 psid++;
01210
01211 if (transport_type == TRANSPORT_ROAD) {
01212 RoadTypes rts = GetRoadTypes(rampsouth);
01213
01214 if (HasBit(rts, ROADTYPE_TRAM)) {
01215
01216 DrawBridgeTramBits(x, y, bridge_z, axis ^ 1, HasBit(rts, ROADTYPE_ROAD), false);
01217 } else {
01218 EndSpriteCombine();
01219 StartSpriteCombine();
01220 }
01221 } else if (transport_type == TRANSPORT_RAIL) {
01222 const RailtypeInfo *rti = GetRailTypeInfo(GetRailType(rampsouth));
01223 if (rti->UsesOverlay()) {
01224 SpriteID surface = GetCustomRailSprite(rti, ti->tile, RTSG_BRIDGE);
01225 if (surface != 0) {
01226 AddSortableSpriteToDraw(surface + axis, PAL_NONE, x, y, 16, 16, 0, bridge_z, IsTransparencySet(TO_BRIDGES));
01227 }
01228 }
01229 EndSpriteCombine();
01230
01231 if (HasCatenaryDrawn(GetRailType(rampsouth))) {
01232 DrawCatenaryOnBridge(ti);
01233 }
01234 }
01235
01236
01237 if (!IsInvisibilitySet(TO_BRIDGES)) {
01238 if (axis == AXIS_X) {
01239 y += 12;
01240 if (psid->sprite & SPRITE_MASK) AddSortableSpriteToDraw(psid->sprite, psid->pal, x, y, 16, 4, 0x28, z, IsTransparencySet(TO_BRIDGES), 0, 3, BRIDGE_Z_START);
01241 } else {
01242 x += 12;
01243 if (psid->sprite & SPRITE_MASK) AddSortableSpriteToDraw(psid->sprite, psid->pal, x, y, 4, 16, 0x28, z, IsTransparencySet(TO_BRIDGES), 3, 0, BRIDGE_Z_START);
01244 }
01245 }
01246
01247
01248 if (transport_type == TRANSPORT_ROAD) EndSpriteCombine();
01249
01250
01251 if (IsInvisibilitySet(TO_BRIDGES)) return;
01252
01253 psid++;
01254 if (ti->z + 5 == z) {
01255
01256 if (psid->sprite != 0) {
01257 SpriteID image = psid->sprite;
01258 SpriteID pal = psid->pal;
01259 if (IsTransparencySet(TO_BRIDGES)) {
01260 SetBit(image, PALETTE_MODIFIER_TRANSPARENT);
01261 pal = PALETTE_TO_TRANSPARENT;
01262 }
01263
01264 DrawGroundSpriteAt(image, pal, x - ti->x, y - ti->y, z - ti->z);
01265 }
01266 } else if (_settings_client.gui.bridge_pillars) {
01267
01268 DrawBridgePillars(psid, ti, axis, drawfarpillar, x, y, z);
01269 }
01270 }
01271
01272
01273 static uint GetSlopeZ_TunnelBridge(TileIndex tile, uint x, uint y)
01274 {
01275 uint z;
01276 Slope tileh = GetTileSlope(tile, &z);
01277
01278 x &= 0xF;
01279 y &= 0xF;
01280
01281 if (IsTunnel(tile)) {
01282 uint pos = (DiagDirToAxis(GetTunnelBridgeDirection(tile)) == AXIS_X ? y : x);
01283
01284
01285 if (5 <= pos && pos <= 10) return z;
01286 } else {
01287 DiagDirection dir = GetTunnelBridgeDirection(tile);
01288 uint pos = (DiagDirToAxis(dir) == AXIS_X ? y : x);
01289
01290 z += ApplyFoundationToSlope(GetBridgeFoundation(tileh, DiagDirToAxis(dir)), &tileh);
01291
01292
01293 if (5 <= pos && pos <= 10) {
01294 uint delta;
01295
01296 if (tileh != SLOPE_FLAT) return z + TILE_HEIGHT;
01297
01298 switch (dir) {
01299 default: NOT_REACHED();
01300 case DIAGDIR_NE: delta = (TILE_SIZE - 1 - x) / 2; break;
01301 case DIAGDIR_SE: delta = y / 2; break;
01302 case DIAGDIR_SW: delta = x / 2; break;
01303 case DIAGDIR_NW: delta = (TILE_SIZE - 1 - y) / 2; break;
01304 }
01305 return z + 1 + delta;
01306 }
01307 }
01308
01309 return z + GetPartialZ(x, y, tileh);
01310 }
01311
01312 static Foundation GetFoundation_TunnelBridge(TileIndex tile, Slope tileh)
01313 {
01314 return IsTunnel(tile) ? FOUNDATION_NONE : GetBridgeFoundation(tileh, DiagDirToAxis(GetTunnelBridgeDirection(tile)));
01315 }
01316
01317 static void GetTileDesc_TunnelBridge(TileIndex tile, TileDesc *td)
01318 {
01319 TransportType tt = GetTunnelBridgeTransportType(tile);
01320
01321 if (IsTunnel(tile)) {
01322 td->str = (tt == TRANSPORT_RAIL) ? STR_LAI_TUNNEL_DESCRIPTION_RAILROAD : STR_LAI_TUNNEL_DESCRIPTION_ROAD;
01323 } else {
01324 td->str = (tt == TRANSPORT_WATER) ? STR_LAI_BRIDGE_DESCRIPTION_AQUEDUCT : GetBridgeSpec(GetBridgeType(tile))->transport_name[tt];
01325 }
01326 td->owner[0] = GetTileOwner(tile);
01327
01328 Owner road_owner = INVALID_OWNER;
01329 Owner tram_owner = INVALID_OWNER;
01330 RoadTypes rts = GetRoadTypes(tile);
01331 if (HasBit(rts, ROADTYPE_ROAD)) road_owner = GetRoadOwner(tile, ROADTYPE_ROAD);
01332 if (HasBit(rts, ROADTYPE_TRAM)) tram_owner = GetRoadOwner(tile, ROADTYPE_TRAM);
01333
01334
01335 if ((tram_owner != INVALID_OWNER && tram_owner != td->owner[0]) ||
01336 (road_owner != INVALID_OWNER && road_owner != td->owner[0])) {
01337 uint i = 1;
01338 if (road_owner != INVALID_OWNER) {
01339 td->owner_type[i] = STR_LAND_AREA_INFORMATION_ROAD_OWNER;
01340 td->owner[i] = road_owner;
01341 i++;
01342 }
01343 if (tram_owner != INVALID_OWNER) {
01344 td->owner_type[i] = STR_LAND_AREA_INFORMATION_TRAM_OWNER;
01345 td->owner[i] = tram_owner;
01346 }
01347 }
01348
01349 if (tt == TRANSPORT_RAIL) {
01350 const RailtypeInfo *rti = GetRailTypeInfo(GetRailType(tile));
01351 td->rail_speed = rti->max_speed;
01352
01353 if (!IsTunnel(tile)) {
01354 uint16 spd = GetBridgeSpec(GetBridgeType(tile))->speed;
01355 if (td->rail_speed == 0 || spd < td->rail_speed) {
01356 td->rail_speed = spd;
01357 }
01358 }
01359 }
01360 }
01361
01362
01363 static void TileLoop_TunnelBridge(TileIndex tile)
01364 {
01365 bool snow_or_desert = HasTunnelBridgeSnowOrDesert(tile);
01366 switch (_settings_game.game_creation.landscape) {
01367 case LT_ARCTIC:
01368 if (snow_or_desert != (GetTileZ(tile) > GetSnowLine())) {
01369 SetTunnelBridgeSnowOrDesert(tile, !snow_or_desert);
01370 MarkTileDirtyByTile(tile);
01371 }
01372 break;
01373
01374 case LT_TROPIC:
01375 if (GetTropicZone(tile) == TROPICZONE_DESERT && !snow_or_desert) {
01376 SetTunnelBridgeSnowOrDesert(tile, true);
01377 MarkTileDirtyByTile(tile);
01378 }
01379 break;
01380
01381 default:
01382 break;
01383 }
01384 }
01385
01386 static TrackStatus GetTileTrackStatus_TunnelBridge(TileIndex tile, TransportType mode, uint sub_mode, DiagDirection side)
01387 {
01388 TransportType transport_type = GetTunnelBridgeTransportType(tile);
01389 if (transport_type != mode || (transport_type == TRANSPORT_ROAD && (GetRoadTypes(tile) & sub_mode) == 0)) return 0;
01390
01391 DiagDirection dir = GetTunnelBridgeDirection(tile);
01392 if (side != INVALID_DIAGDIR && side != ReverseDiagDir(dir)) return 0;
01393 return CombineTrackStatus(TrackBitsToTrackdirBits(DiagDirToDiagTrackBits(dir)), TRACKDIR_BIT_NONE);
01394 }
01395
01396 static void ChangeTileOwner_TunnelBridge(TileIndex tile, Owner old_owner, Owner new_owner)
01397 {
01398 for (RoadType rt = ROADTYPE_ROAD; rt < ROADTYPE_END; rt++) {
01399
01400 if (GetRoadOwner(tile, rt) == old_owner) {
01401 SetRoadOwner(tile, rt, new_owner == INVALID_OWNER ? OWNER_NONE : new_owner);
01402 }
01403 }
01404
01405 if (!IsTileOwner(tile, old_owner)) return;
01406
01407 if (new_owner != INVALID_OWNER) {
01408 SetTileOwner(tile, new_owner);
01409 } else {
01410 if (DoCommand(tile, 0, 0, DC_EXEC | DC_BANKRUPT, CMD_LANDSCAPE_CLEAR).Failed()) {
01411
01412
01413
01414
01415 assert(GetTunnelBridgeTransportType(tile) != TRANSPORT_RAIL);
01416 SetTileOwner(tile, OWNER_NONE);
01417 }
01418 }
01419 }
01420
01421
01422 static const byte _tunnel_fractcoord_1[4] = {0x8E, 0x18, 0x81, 0xE8};
01423 static const byte _tunnel_fractcoord_2[4] = {0x81, 0x98, 0x87, 0x38};
01424 static const byte _tunnel_fractcoord_3[4] = {0x82, 0x88, 0x86, 0x48};
01425 static const byte _exit_tunnel_track[4] = {1, 2, 1, 2};
01426
01428 static const Trackdir _road_exit_tunnel_state[DIAGDIR_END] = {
01429 TRACKDIR_X_SW, TRACKDIR_Y_NW, TRACKDIR_X_NE, TRACKDIR_Y_SE
01430 };
01431 static const byte _road_exit_tunnel_frame[4] = {2, 7, 9, 4};
01432
01433 static const byte _tunnel_fractcoord_4[4] = {0x52, 0x85, 0x98, 0x29};
01434 static const byte _tunnel_fractcoord_5[4] = {0x92, 0x89, 0x58, 0x25};
01435 static const byte _tunnel_fractcoord_6[4] = {0x92, 0x89, 0x56, 0x45};
01436 static const byte _tunnel_fractcoord_7[4] = {0x52, 0x85, 0x96, 0x49};
01437
01438 static VehicleEnterTileStatus VehicleEnter_TunnelBridge(Vehicle *v, TileIndex tile, int x, int y)
01439 {
01440 int z = GetSlopeZ(x, y) - v->z_pos;
01441
01442 if (abs(z) > 2) return VETSB_CANNOT_ENTER;
01443 const DiagDirection dir = GetTunnelBridgeDirection(tile);
01444
01445 if (IsTunnel(tile)) {
01446 byte fc;
01447 DiagDirection vdir;
01448
01449 if (v->type == VEH_TRAIN) {
01450 Train *t = Train::From(v);
01451 fc = (x & 0xF) + (y << 4);
01452
01453 vdir = DirToDiagDir(t->direction);
01454
01455 if (t->track != TRACK_BIT_WORMHOLE && dir == vdir) {
01456 if (t->IsFrontEngine() && fc == _tunnel_fractcoord_1[dir]) {
01457 if (!PlayVehicleSound(t, VSE_TUNNEL) && RailVehInfo(t->engine_type)->engclass == 0) {
01458 SndPlayVehicleFx(SND_05_TRAIN_THROUGH_TUNNEL, v);
01459 }
01460 return VETSB_CONTINUE;
01461 }
01462 if (fc == _tunnel_fractcoord_2[dir]) {
01463 t->tile = tile;
01464 t->track = TRACK_BIT_WORMHOLE;
01465 t->vehstatus |= VS_HIDDEN;
01466 return VETSB_ENTERED_WORMHOLE;
01467 }
01468 }
01469
01470 if (dir == ReverseDiagDir(vdir) && fc == _tunnel_fractcoord_3[dir] && z == 0) {
01471
01472 t->tile = tile;
01473 t->track = (TrackBits)_exit_tunnel_track[dir];
01474 assert(t->track);
01475 t->vehstatus &= ~VS_HIDDEN;
01476 return VETSB_ENTERED_WORMHOLE;
01477 }
01478 } else if (v->type == VEH_ROAD) {
01479 RoadVehicle *rv = RoadVehicle::From(v);
01480 fc = (x & 0xF) + (y << 4);
01481 vdir = DirToDiagDir(v->direction);
01482
01483
01484 if (rv->state != RVSB_WORMHOLE && dir == vdir) {
01485 if (fc == _tunnel_fractcoord_4[dir] ||
01486 fc == _tunnel_fractcoord_5[dir]) {
01487 rv->tile = tile;
01488 rv->state = RVSB_WORMHOLE;
01489 rv->vehstatus |= VS_HIDDEN;
01490 return VETSB_ENTERED_WORMHOLE;
01491 } else {
01492 return VETSB_CONTINUE;
01493 }
01494 }
01495
01496 if (dir == ReverseDiagDir(vdir) && (
01497
01498 fc == _tunnel_fractcoord_6[dir] ||
01499 fc == _tunnel_fractcoord_7[dir]
01500 ) &&
01501 z == 0) {
01502 rv->tile = tile;
01503 rv->state = _road_exit_tunnel_state[dir];
01504 rv->frame = _road_exit_tunnel_frame[dir];
01505 rv->vehstatus &= ~VS_HIDDEN;
01506 return VETSB_ENTERED_WORMHOLE;
01507 }
01508 }
01509 } else {
01510
01511 if (v->IsPrimaryVehicle() && v->type != VEH_SHIP) {
01512
01513 uint16 spd = GetBridgeSpec(GetBridgeType(tile))->speed;
01514
01515 if (v->type == VEH_ROAD) spd *= 2;
01516 if (v->cur_speed > spd) v->cur_speed = spd;
01517 }
01518
01519 if (DirToDiagDir(v->direction) == dir) {
01520 switch (dir) {
01521 default: NOT_REACHED();
01522 case DIAGDIR_NE: if ((x & 0xF) != 0) return VETSB_CONTINUE; break;
01523 case DIAGDIR_SE: if ((y & 0xF) != TILE_SIZE - 1) return VETSB_CONTINUE; break;
01524 case DIAGDIR_SW: if ((x & 0xF) != TILE_SIZE - 1) return VETSB_CONTINUE; break;
01525 case DIAGDIR_NW: if ((y & 0xF) != 0) return VETSB_CONTINUE; break;
01526 }
01527 switch (v->type) {
01528 case VEH_TRAIN: {
01529 Train *t = Train::From(v);
01530 t->track = TRACK_BIT_WORMHOLE;
01531 ClrBit(t->flags, VRF_GOINGUP);
01532 ClrBit(t->flags, VRF_GOINGDOWN);
01533 } break;
01534
01535 case VEH_ROAD:
01536 RoadVehicle::From(v)->state = RVSB_WORMHOLE;
01537 break;
01538
01539 case VEH_SHIP:
01540 Ship::From(v)->state = TRACK_BIT_WORMHOLE;
01541 break;
01542
01543 default: NOT_REACHED();
01544 }
01545 return VETSB_ENTERED_WORMHOLE;
01546 } else if (DirToDiagDir(v->direction) == ReverseDiagDir(dir)) {
01547 v->tile = tile;
01548 switch (v->type) {
01549 case VEH_TRAIN: {
01550 Train *t = Train::From(v);
01551 if (t->track == TRACK_BIT_WORMHOLE) {
01552 t->track = (DiagDirToAxis(dir) == AXIS_X ? TRACK_BIT_X : TRACK_BIT_Y);
01553 return VETSB_ENTERED_WORMHOLE;
01554 }
01555 } break;
01556
01557 case VEH_ROAD: {
01558 RoadVehicle *rv = RoadVehicle::From(v);
01559 if (rv->state == RVSB_WORMHOLE) {
01560 rv->state = _road_exit_tunnel_state[dir];
01561 rv->frame = 0;
01562 return VETSB_ENTERED_WORMHOLE;
01563 }
01564 } break;
01565
01566 case VEH_SHIP: {
01567 Ship *ship = Ship::From(v);
01568 if (ship->state == TRACK_BIT_WORMHOLE) {
01569 ship->state = (DiagDirToAxis(dir) == AXIS_X ? TRACK_BIT_X : TRACK_BIT_Y);
01570 return VETSB_ENTERED_WORMHOLE;
01571 }
01572 } break;
01573
01574 default: NOT_REACHED();
01575 }
01576 }
01577 }
01578 return VETSB_CONTINUE;
01579 }
01580
01581 static CommandCost TerraformTile_TunnelBridge(TileIndex tile, DoCommandFlag flags, uint z_new, Slope tileh_new)
01582 {
01583 if (_settings_game.construction.build_on_slopes && AutoslopeEnabled() && IsBridge(tile) && GetTunnelBridgeTransportType(tile) != TRANSPORT_WATER) {
01584 DiagDirection direction = GetTunnelBridgeDirection(tile);
01585 Axis axis = DiagDirToAxis(direction);
01586 CommandCost res;
01587 uint z_old;
01588 Slope tileh_old = GetTileSlope(tile, &z_old);
01589
01590
01591 if ((direction == DIAGDIR_NW) || (direction == DIAGDIR_NE)) {
01592 CheckBridgeSlopeSouth(axis, &tileh_old, &z_old);
01593 res = CheckBridgeSlopeSouth(axis, &tileh_new, &z_new);
01594 } else {
01595 CheckBridgeSlopeNorth(axis, &tileh_old, &z_old);
01596 res = CheckBridgeSlopeNorth(axis, &tileh_new, &z_new);
01597 }
01598
01599
01600 if (res.Succeeded() && (z_old == z_new) && (tileh_old == tileh_new)) return CommandCost(EXPENSES_CONSTRUCTION, _price[PR_BUILD_FOUNDATION]);
01601 }
01602
01603 return DoCommand(tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR);
01604 }
01605
01606 extern const TileTypeProcs _tile_type_tunnelbridge_procs = {
01607 DrawTile_TunnelBridge,
01608 GetSlopeZ_TunnelBridge,
01609 ClearTile_TunnelBridge,
01610 NULL,
01611 GetTileDesc_TunnelBridge,
01612 GetTileTrackStatus_TunnelBridge,
01613 NULL,
01614 NULL,
01615 TileLoop_TunnelBridge,
01616 ChangeTileOwner_TunnelBridge,
01617 NULL,
01618 VehicleEnter_TunnelBridge,
01619 GetFoundation_TunnelBridge,
01620 TerraformTile_TunnelBridge,
01621 };