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00012 #include "stdafx.h"
00013 #include "aircraft.h"
00014 #include "bridge_map.h"
00015 #include "cmd_helper.h"
00016 #include "landscape.h"
00017 #include "viewport_func.h"
00018 #include "command_func.h"
00019 #include "town.h"
00020 #include "news_func.h"
00021 #include "train.h"
00022 #include "roadveh.h"
00023 #include "industry.h"
00024 #include "newgrf_cargo.h"
00025 #include "newgrf_station.h"
00026 #include "pathfinder/yapf/yapf_cache.h"
00027 #include "road_internal.h"
00028 #include "variables.h"
00029 #include "autoslope.h"
00030 #include "water.h"
00031 #include "station_gui.h"
00032 #include "strings_func.h"
00033 #include "functions.h"
00034 #include "window_func.h"
00035 #include "date_func.h"
00036 #include "vehicle_func.h"
00037 #include "string_func.h"
00038 #include "animated_tile_func.h"
00039 #include "elrail_func.h"
00040 #include "station_base.h"
00041 #include "roadstop_base.h"
00042 #include "newgrf_railtype.h"
00043 #include "waypoint_base.h"
00044 #include "waypoint_func.h"
00045 #include "pbs.h"
00046 #include "debug.h"
00047 #include "core/random_func.hpp"
00048 #include "company_base.h"
00049 #include "newgrf.h"
00050 #include "table/airporttile_ids.h"
00051
00052 #include "table/strings.h"
00053
00060 bool IsHangar(TileIndex t)
00061 {
00062 assert(IsTileType(t, MP_STATION));
00063
00064
00065 if (!IsAirport(t)) return false;
00066
00067 const Station *st = Station::GetByTile(t);
00068 const AirportSpec *as = st->GetAirportSpec();
00069
00070 for (uint i = 0; i < as->nof_depots; i++) {
00071 if (st->GetHangarTile(i) == t) return true;
00072 }
00073
00074 return false;
00075 }
00076
00084 template <class T>
00085 bool GetStationAround(TileArea ta, StationID closest_station, T **st)
00086 {
00087
00088 TILE_LOOP(tile_cur, ta.w + 2, ta.h + 2, ta.tile - TileDiffXY(1, 1)) {
00089 if (IsTileType(tile_cur, MP_STATION)) {
00090 StationID t = GetStationIndex(tile_cur);
00091
00092 if (closest_station == INVALID_STATION) {
00093 if (T::IsValidID(t)) closest_station = t;
00094 } else if (closest_station != t) {
00095 _error_message = STR_ERROR_ADJOINS_MORE_THAN_ONE_EXISTING;
00096 return false;
00097 }
00098 }
00099 }
00100 *st = (closest_station == INVALID_STATION) ? NULL : T::Get(closest_station);
00101 return true;
00102 }
00103
00109 typedef bool (*CMSAMatcher)(TileIndex tile);
00110
00117 static int CountMapSquareAround(TileIndex tile, CMSAMatcher cmp)
00118 {
00119 int num = 0;
00120
00121 for (int dx = -3; dx <= 3; dx++) {
00122 for (int dy = -3; dy <= 3; dy++) {
00123 TileIndex t = TileAddWrap(tile, dx, dy);
00124 if (t != INVALID_TILE && cmp(t)) num++;
00125 }
00126 }
00127
00128 return num;
00129 }
00130
00136 static bool CMSAMine(TileIndex tile)
00137 {
00138
00139 if (!IsTileType(tile, MP_INDUSTRY)) return false;
00140
00141 const Industry *ind = Industry::GetByTile(tile);
00142
00143
00144 if ((GetIndustrySpec(ind->type)->life_type & INDUSTRYLIFE_EXTRACTIVE) == 0) return false;
00145
00146 for (uint i = 0; i < lengthof(ind->produced_cargo); i++) {
00147
00148
00149 if (ind->produced_cargo[i] != CT_INVALID &&
00150 (CargoSpec::Get(ind->produced_cargo[i])->classes & (CC_LIQUID | CC_PASSENGERS | CC_MAIL)) == 0) {
00151 return true;
00152 }
00153 }
00154
00155 return false;
00156 }
00157
00163 static bool CMSAWater(TileIndex tile)
00164 {
00165 return IsTileType(tile, MP_WATER) && IsWater(tile);
00166 }
00167
00173 static bool CMSATree(TileIndex tile)
00174 {
00175 return IsTileType(tile, MP_TREES);
00176 }
00177
00183 static bool CMSAForest(TileIndex tile)
00184 {
00185
00186 if (!IsTileType(tile, MP_INDUSTRY)) return false;
00187
00188 const Industry *ind = Industry::GetByTile(tile);
00189
00190
00191 if ((GetIndustrySpec(ind->type)->life_type & INDUSTRYLIFE_ORGANIC) == 0) return false;
00192
00193 for (uint i = 0; i < lengthof(ind->produced_cargo); i++) {
00194
00195 if (ind->produced_cargo[i] != CT_INVALID && CargoSpec::Get(ind->produced_cargo[i])->label == 'WOOD') return true;
00196 }
00197
00198 return false;
00199 }
00200
00201 #define M(x) ((x) - STR_SV_STNAME)
00202
00203 enum StationNaming {
00204 STATIONNAMING_RAIL,
00205 STATIONNAMING_ROAD,
00206 STATIONNAMING_AIRPORT,
00207 STATIONNAMING_OILRIG,
00208 STATIONNAMING_DOCK,
00209 STATIONNAMING_HELIPORT,
00210 };
00211
00213 struct StationNameInformation {
00214 uint32 free_names;
00215 bool *indtypes;
00216 };
00217
00226 static bool FindNearIndustryName(TileIndex tile, void *user_data)
00227 {
00228
00229 StationNameInformation *sni = (StationNameInformation*)user_data;
00230 if (!IsTileType(tile, MP_INDUSTRY)) return false;
00231
00232
00233 IndustryType indtype = GetIndustryType(tile);
00234 if (GetIndustrySpec(indtype)->station_name == STR_UNDEFINED) return false;
00235
00236
00237
00238 sni->free_names &= ~(1 << M(STR_SV_STNAME_OILFIELD) | 1 << M(STR_SV_STNAME_MINES));
00239 return !sni->indtypes[indtype];
00240 }
00241
00242 static StringID GenerateStationName(Station *st, TileIndex tile, StationNaming name_class)
00243 {
00244 static const uint32 _gen_station_name_bits[] = {
00245 0,
00246 0,
00247 1U << M(STR_SV_STNAME_AIRPORT),
00248 1U << M(STR_SV_STNAME_OILFIELD),
00249 1U << M(STR_SV_STNAME_DOCKS),
00250 1U << M(STR_SV_STNAME_HELIPORT),
00251 };
00252
00253 const Town *t = st->town;
00254 uint32 free_names = UINT32_MAX;
00255
00256 bool indtypes[NUM_INDUSTRYTYPES];
00257 memset(indtypes, 0, sizeof(indtypes));
00258
00259 const Station *s;
00260 FOR_ALL_STATIONS(s) {
00261 if (s != st && s->town == t) {
00262 if (s->indtype != IT_INVALID) {
00263 indtypes[s->indtype] = true;
00264 continue;
00265 }
00266 uint str = M(s->string_id);
00267 if (str <= 0x20) {
00268 if (str == M(STR_SV_STNAME_FOREST)) {
00269 str = M(STR_SV_STNAME_WOODS);
00270 }
00271 ClrBit(free_names, str);
00272 }
00273 }
00274 }
00275
00276 TileIndex indtile = tile;
00277 StationNameInformation sni = { free_names, indtypes };
00278 if (CircularTileSearch(&indtile, 7, FindNearIndustryName, &sni)) {
00279
00280 IndustryType indtype = GetIndustryType(indtile);
00281 const IndustrySpec *indsp = GetIndustrySpec(indtype);
00282
00283 if (indsp->station_name != STR_NULL) {
00284 st->indtype = indtype;
00285 return STR_SV_STNAME_FALLBACK;
00286 }
00287 }
00288
00289
00290 free_names = sni.free_names;
00291
00292
00293 uint32 tmp = free_names & _gen_station_name_bits[name_class];
00294 if (tmp != 0) return STR_SV_STNAME + FindFirstBit(tmp);
00295
00296
00297 if (HasBit(free_names, M(STR_SV_STNAME_MINES))) {
00298 if (CountMapSquareAround(tile, CMSAMine) >= 2) {
00299 return STR_SV_STNAME_MINES;
00300 }
00301 }
00302
00303
00304 if (DistanceMax(tile, t->xy) < 8) {
00305 if (HasBit(free_names, M(STR_SV_STNAME))) return STR_SV_STNAME;
00306
00307 if (HasBit(free_names, M(STR_SV_STNAME_CENTRAL))) return STR_SV_STNAME_CENTRAL;
00308 }
00309
00310
00311 if (HasBit(free_names, M(STR_SV_STNAME_LAKESIDE)) &&
00312 DistanceFromEdge(tile) < 20 &&
00313 CountMapSquareAround(tile, CMSAWater) >= 5) {
00314 return STR_SV_STNAME_LAKESIDE;
00315 }
00316
00317
00318 if (HasBit(free_names, M(STR_SV_STNAME_WOODS)) && (
00319 CountMapSquareAround(tile, CMSATree) >= 8 ||
00320 CountMapSquareAround(tile, CMSAForest) >= 2)
00321 ) {
00322 return _settings_game.game_creation.landscape == LT_TROPIC ? STR_SV_STNAME_FOREST : STR_SV_STNAME_WOODS;
00323 }
00324
00325
00326 uint z = GetTileZ(tile);
00327 uint z2 = GetTileZ(t->xy);
00328 if (z < z2) {
00329 if (HasBit(free_names, M(STR_SV_STNAME_VALLEY))) return STR_SV_STNAME_VALLEY;
00330 } else if (z > z2) {
00331 if (HasBit(free_names, M(STR_SV_STNAME_HEIGHTS))) return STR_SV_STNAME_HEIGHTS;
00332 }
00333
00334
00335 static const int8 _direction_and_table[] = {
00336 ~( (1 << M(STR_SV_STNAME_WEST)) | (1 << M(STR_SV_STNAME_EAST)) | (1 << M(STR_SV_STNAME_NORTH)) ),
00337 ~( (1 << M(STR_SV_STNAME_SOUTH)) | (1 << M(STR_SV_STNAME_WEST)) | (1 << M(STR_SV_STNAME_NORTH)) ),
00338 ~( (1 << M(STR_SV_STNAME_SOUTH)) | (1 << M(STR_SV_STNAME_EAST)) | (1 << M(STR_SV_STNAME_NORTH)) ),
00339 ~( (1 << M(STR_SV_STNAME_SOUTH)) | (1 << M(STR_SV_STNAME_WEST)) | (1 << M(STR_SV_STNAME_EAST)) ),
00340 };
00341
00342 free_names &= _direction_and_table[
00343 (TileX(tile) < TileX(t->xy)) +
00344 (TileY(tile) < TileY(t->xy)) * 2];
00345
00346 tmp = free_names & ((1 << 1) | (1 << 2) | (1 << 3) | (1 << 4) | (1 << 6) | (1 << 7) | (1 << 12) | (1 << 26) | (1 << 27) | (1 << 28) | (1 << 29) | (1 << 30));
00347 return (tmp == 0) ? STR_SV_STNAME_FALLBACK : (STR_SV_STNAME + FindFirstBit(tmp));
00348 }
00349 #undef M
00350
00356 static Station *GetClosestDeletedStation(TileIndex tile)
00357 {
00358 uint threshold = 8;
00359 Station *best_station = NULL;
00360 Station *st;
00361
00362 FOR_ALL_STATIONS(st) {
00363 if (!st->IsInUse() && st->owner == _current_company) {
00364 uint cur_dist = DistanceManhattan(tile, st->xy);
00365
00366 if (cur_dist < threshold) {
00367 threshold = cur_dist;
00368 best_station = st;
00369 }
00370 }
00371 }
00372
00373 return best_station;
00374 }
00375
00376
00377 void Station::GetTileArea(TileArea *ta, StationType type) const
00378 {
00379 switch (type) {
00380 case STATION_RAIL:
00381 *ta = this->train_station;
00382 return;
00383
00384 case STATION_AIRPORT:
00385 ta->tile = this->airport_tile;
00386 ta->w = this->GetAirportSpec()->size_x;
00387 ta->h = this->GetAirportSpec()->size_y;
00388 return;
00389
00390 case STATION_TRUCK:
00391 *ta = this->truck_station;
00392 return;
00393
00394 case STATION_BUS:
00395 *ta = this->bus_station;
00396 return;
00397
00398 case STATION_DOCK:
00399 case STATION_OILRIG:
00400 ta->tile = this->dock_tile;
00401 break;
00402
00403 default: NOT_REACHED();
00404 }
00405
00406 ta->w = 1;
00407 ta->h = 1;
00408 }
00409
00413 void Station::UpdateVirtCoord()
00414 {
00415 Point pt = RemapCoords2(TileX(this->xy) * TILE_SIZE, TileY(this->xy) * TILE_SIZE);
00416
00417 pt.y -= 32;
00418 if ((this->facilities & FACIL_AIRPORT) && this->airport_type == AT_OILRIG) pt.y -= 16;
00419
00420 SetDParam(0, this->index);
00421 SetDParam(1, this->facilities);
00422 this->sign.UpdatePosition(pt.x, pt.y, STR_VIEWPORT_STATION);
00423
00424 SetWindowDirty(WC_STATION_VIEW, this->index);
00425 }
00426
00428 void UpdateAllStationVirtCoords()
00429 {
00430 BaseStation *st;
00431
00432 FOR_ALL_BASE_STATIONS(st) {
00433 st->UpdateVirtCoord();
00434 }
00435 }
00436
00441 static uint GetAcceptanceMask(const Station *st)
00442 {
00443 uint mask = 0;
00444
00445 for (CargoID i = 0; i < NUM_CARGO; i++) {
00446 if (HasBit(st->goods[i].acceptance_pickup, GoodsEntry::ACCEPTANCE)) mask |= 1 << i;
00447 }
00448 return mask;
00449 }
00450
00454 static void ShowRejectOrAcceptNews(const Station *st, uint num_items, CargoID *cargo, StringID msg)
00455 {
00456 for (uint i = 0; i < num_items; i++) {
00457 SetDParam(i + 1, CargoSpec::Get(cargo[i])->name);
00458 }
00459
00460 SetDParam(0, st->index);
00461 AddNewsItem(msg, NS_ACCEPTANCE, NR_STATION, st->index);
00462 }
00463
00471 CargoArray GetProductionAroundTiles(TileIndex tile, int w, int h, int rad)
00472 {
00473 CargoArray produced;
00474
00475 int x = TileX(tile);
00476 int y = TileY(tile);
00477
00478
00479
00480 int x2 = min(x + w + rad, MapSizeX());
00481 int x1 = max(x - rad, 0);
00482
00483 int y2 = min(y + h + rad, MapSizeY());
00484 int y1 = max(y - rad, 0);
00485
00486 assert(x1 < x2);
00487 assert(y1 < y2);
00488 assert(w > 0);
00489 assert(h > 0);
00490
00491 TileArea ta(TileXY(x1, y1), TileXY(x2 - 1, y2 - 1));
00492
00493
00494
00495 TILE_AREA_LOOP(tile, ta) AddProducedCargo(tile, produced);
00496
00497
00498
00499
00500
00501
00502
00503 const Industry *i;
00504 FOR_ALL_INDUSTRIES(i) {
00505 if (!ta.Intersects(i->location)) continue;
00506
00507 for (uint j = 0; j < lengthof(i->produced_cargo); j++) {
00508 CargoID cargo = i->produced_cargo[j];
00509 if (cargo != CT_INVALID) produced[cargo]++;
00510 }
00511 }
00512
00513 return produced;
00514 }
00515
00524 CargoArray GetAcceptanceAroundTiles(TileIndex tile, int w, int h, int rad, uint32 *always_accepted)
00525 {
00526 CargoArray acceptance;
00527 if (always_accepted != NULL) *always_accepted = 0;
00528
00529 int x = TileX(tile);
00530 int y = TileY(tile);
00531
00532
00533
00534 int x2 = min(x + w + rad, MapSizeX());
00535 int y2 = min(y + h + rad, MapSizeY());
00536 int x1 = max(x - rad, 0);
00537 int y1 = max(y - rad, 0);
00538
00539 assert(x1 < x2);
00540 assert(y1 < y2);
00541 assert(w > 0);
00542 assert(h > 0);
00543
00544 for (int yc = y1; yc != y2; yc++) {
00545 for (int xc = x1; xc != x2; xc++) {
00546 TileIndex tile = TileXY(xc, yc);
00547 AddAcceptedCargo(tile, acceptance, always_accepted);
00548 }
00549 }
00550
00551 return acceptance;
00552 }
00553
00558 void UpdateStationAcceptance(Station *st, bool show_msg)
00559 {
00560
00561 uint old_acc = GetAcceptanceMask(st);
00562
00563
00564 CargoArray acceptance;
00565 if (!st->rect.IsEmpty()) {
00566 acceptance = GetAcceptanceAroundTiles(
00567 TileXY(st->rect.left, st->rect.top),
00568 st->rect.right - st->rect.left + 1,
00569 st->rect.bottom - st->rect.top + 1,
00570 st->GetCatchmentRadius(),
00571 &st->always_accepted
00572 );
00573 }
00574
00575
00576 for (CargoID i = 0; i < NUM_CARGO; i++) {
00577 uint amt = min(acceptance[i], 15);
00578
00579
00580 bool is_passengers = IsCargoInClass(i, CC_PASSENGERS);
00581 if ((!is_passengers && !(st->facilities & ~FACIL_BUS_STOP)) ||
00582 (is_passengers && !(st->facilities & ~FACIL_TRUCK_STOP))) {
00583 amt = 0;
00584 }
00585
00586 SB(st->goods[i].acceptance_pickup, GoodsEntry::ACCEPTANCE, 1, amt >= 8);
00587 }
00588
00589
00590 uint new_acc = GetAcceptanceMask(st);
00591 if (old_acc == new_acc) return;
00592
00593
00594 if (show_msg && st->owner == _local_company && st->IsInUse()) {
00595
00596
00597 static const StringID accept_msg[] = {
00598 STR_NEWS_STATION_NOW_ACCEPTS_CARGO,
00599 STR_NEWS_STATION_NOW_ACCEPTS_CARGO_AND_CARGO,
00600 };
00601 static const StringID reject_msg[] = {
00602 STR_NEWS_STATION_NO_LONGER_ACCEPTS_CARGO,
00603 STR_NEWS_STATION_NO_LONGER_ACCEPTS_CARGO_OR_CARGO,
00604 };
00605
00606
00607 CargoID accepts[2] = { CT_INVALID, CT_INVALID };
00608 CargoID rejects[2] = { CT_INVALID, CT_INVALID };
00609 uint num_acc = 0;
00610 uint num_rej = 0;
00611
00612
00613 for (CargoID i = 0; i < NUM_CARGO; i++) {
00614 if (HasBit(new_acc, i)) {
00615 if (!HasBit(old_acc, i) && num_acc < lengthof(accepts)) {
00616
00617 accepts[num_acc++] = i;
00618 }
00619 } else {
00620 if (HasBit(old_acc, i) && num_rej < lengthof(rejects)) {
00621
00622 rejects[num_rej++] = i;
00623 }
00624 }
00625 }
00626
00627
00628 if (num_acc > 0) ShowRejectOrAcceptNews(st, num_acc, accepts, accept_msg[num_acc - 1]);
00629 if (num_rej > 0) ShowRejectOrAcceptNews(st, num_rej, rejects, reject_msg[num_rej - 1]);
00630 }
00631
00632
00633 SetWindowWidgetDirty(WC_STATION_VIEW, st->index, SVW_ACCEPTLIST);
00634 }
00635
00636 static void UpdateStationSignCoord(BaseStation *st)
00637 {
00638 const StationRect *r = &st->rect;
00639
00640 if (r->IsEmpty()) return;
00641
00642
00643 st->xy = TileXY(ClampU(TileX(st->xy), r->left, r->right), ClampU(TileY(st->xy), r->top, r->bottom));
00644 st->UpdateVirtCoord();
00645 }
00646
00652 static void DeleteStationIfEmpty(BaseStation *st)
00653 {
00654 if (!st->IsInUse()) {
00655 st->delete_ctr = 0;
00656 InvalidateWindowData(WC_STATION_LIST, st->owner, 0);
00657 }
00658
00659 UpdateStationSignCoord(st);
00660 }
00661
00662 CommandCost ClearTile_Station(TileIndex tile, DoCommandFlag flags);
00663
00675 CommandCost CheckFlatLandBelow(TileIndex tile, uint w, uint h, DoCommandFlag flags, uint invalid_dirs, StationID *station, bool check_clear = true, RailType rt = INVALID_RAILTYPE)
00676 {
00677 CommandCost cost(EXPENSES_CONSTRUCTION);
00678 int allowed_z = -1;
00679
00680 TILE_LOOP(tile_cur, w, h, tile) {
00681 if (MayHaveBridgeAbove(tile_cur) && IsBridgeAbove(tile_cur)) {
00682 return_cmd_error(STR_ERROR_MUST_DEMOLISH_BRIDGE_FIRST);
00683 }
00684
00685 if (!EnsureNoVehicleOnGround(tile_cur)) return CMD_ERROR;
00686
00687 uint z;
00688 Slope tileh = GetTileSlope(tile_cur, &z);
00689
00690
00691
00692
00693
00694 if (IsSteepSlope(tileh) ||
00695 ((!_settings_game.construction.build_on_slopes) && tileh != SLOPE_FLAT)) {
00696 return_cmd_error(STR_ERROR_FLAT_LAND_REQUIRED);
00697 }
00698
00699 int flat_z = z;
00700 if (tileh != SLOPE_FLAT) {
00701
00702
00703 if ((HasBit(invalid_dirs, DIAGDIR_NE) && !(tileh & SLOPE_NE)) ||
00704 (HasBit(invalid_dirs, DIAGDIR_SE) && !(tileh & SLOPE_SE)) ||
00705 (HasBit(invalid_dirs, DIAGDIR_SW) && !(tileh & SLOPE_SW)) ||
00706 (HasBit(invalid_dirs, DIAGDIR_NW) && !(tileh & SLOPE_NW))) {
00707 return_cmd_error(STR_ERROR_FLAT_LAND_REQUIRED);
00708 }
00709 cost.AddCost(_price[PR_BUILD_FOUNDATION]);
00710 flat_z += TILE_HEIGHT;
00711 }
00712
00713
00714 if (allowed_z == -1) {
00715
00716 allowed_z = flat_z;
00717 } else if (allowed_z != flat_z) {
00718 return_cmd_error(STR_ERROR_FLAT_LAND_REQUIRED);
00719 }
00720
00721
00722
00723
00724 if (station != NULL && IsTileType(tile_cur, MP_STATION)) {
00725 if (!IsRailStation(tile_cur)) {
00726 return ClearTile_Station(tile_cur, DC_AUTO);
00727 } else {
00728 StationID st = GetStationIndex(tile_cur);
00729 if (*station == INVALID_STATION) {
00730 *station = st;
00731 } else if (*station != st) {
00732 return_cmd_error(STR_ERROR_ADJOINS_MORE_THAN_ONE_EXISTING);
00733 }
00734 }
00735 } else if (check_clear) {
00736
00737
00738 if (rt != INVALID_RAILTYPE &&
00739 IsPlainRailTile(tile_cur) && !HasSignals(tile_cur) &&
00740 HasPowerOnRail(GetRailType(tile_cur), rt)) {
00741
00742
00743
00744
00745
00746
00747 TrackBits tracks = GetTrackBits(tile_cur);
00748 Track track = RemoveFirstTrack(&tracks);
00749 Track expected_track = HasBit(invalid_dirs, DIAGDIR_NE) ? TRACK_X : TRACK_Y;
00750
00751 if (tracks == TRACK_BIT_NONE && track == expected_track) {
00752 CommandCost ret = DoCommand(tile_cur, 0, track, flags, CMD_REMOVE_SINGLE_RAIL);
00753 if (ret.Failed()) return ret;
00754 cost.AddCost(ret);
00755
00756 continue;
00757 }
00758 }
00759 CommandCost ret = DoCommand(tile_cur, 0, 0, flags, CMD_LANDSCAPE_CLEAR);
00760 if (ret.Failed()) return ret;
00761 cost.AddCost(ret);
00762 }
00763 }
00764
00765 return cost;
00766 }
00767
00775 bool CanExpandRailStation(const BaseStation *st, TileArea &new_ta, Axis axis)
00776 {
00777 TileArea cur_ta = st->train_station;
00778
00779 if (_settings_game.station.nonuniform_stations) {
00780
00781 int x = min(TileX(cur_ta.tile), TileX(new_ta.tile));
00782 int y = min(TileY(cur_ta.tile), TileY(new_ta.tile));
00783 new_ta.w = max(TileX(cur_ta.tile) + cur_ta.w, TileX(new_ta.tile) + new_ta.w) - x;
00784 new_ta.h = max(TileY(cur_ta.tile) + cur_ta.h, TileY(new_ta.tile) + new_ta.h) - y;
00785 new_ta.tile = TileXY(x, y);
00786 } else {
00787
00788
00789 TILE_LOOP(t, cur_ta.w, cur_ta.h, cur_ta.tile) {
00790 if (!st->TileBelongsToRailStation(t)) {
00791 _error_message = STR_ERROR_NONUNIFORM_STATIONS_DISALLOWED;
00792 return false;
00793 }
00794 }
00795
00796
00797 if (GetRailStationAxis(cur_ta.tile) != axis) {
00798 _error_message = STR_ERROR_NONUNIFORM_STATIONS_DISALLOWED;
00799 return false;
00800 }
00801
00802
00803 if (cur_ta.w == new_ta.w && cur_ta.tile == new_ta.tile + TileDiffXY(0, new_ta.h)) {
00804
00805 new_ta.h += cur_ta.h;
00806 } else if (cur_ta.w == new_ta.w && cur_ta.tile == new_ta.tile - TileDiffXY(0, cur_ta.h)) {
00807
00808 new_ta.tile = cur_ta.tile;
00809 new_ta.h += new_ta.h;
00810 } else if (cur_ta.h == new_ta.h && cur_ta.tile == new_ta.tile + TileDiffXY(new_ta.w, 0)) {
00811
00812 new_ta.w += cur_ta.w;
00813 } else if (cur_ta.h == new_ta.h && cur_ta.tile == new_ta.tile - TileDiffXY(cur_ta.w, 0)) {
00814
00815 new_ta.tile = cur_ta.tile;
00816 new_ta.w += cur_ta.w;
00817 } else {
00818 _error_message = STR_ERROR_NONUNIFORM_STATIONS_DISALLOWED;
00819 return false;
00820 }
00821 }
00822
00823 if (new_ta.w > _settings_game.station.station_spread || new_ta.h > _settings_game.station.station_spread) {
00824 _error_message = STR_ERROR_STATION_TOO_SPREAD_OUT;
00825 return false;
00826 }
00827
00828 return true;
00829 }
00830
00831 static inline byte *CreateSingle(byte *layout, int n)
00832 {
00833 int i = n;
00834 do *layout++ = 0; while (--i);
00835 layout[((n - 1) >> 1) - n] = 2;
00836 return layout;
00837 }
00838
00839 static inline byte *CreateMulti(byte *layout, int n, byte b)
00840 {
00841 int i = n;
00842 do *layout++ = b; while (--i);
00843 if (n > 4) {
00844 layout[0 - n] = 0;
00845 layout[n - 1 - n] = 0;
00846 }
00847 return layout;
00848 }
00849
00850 void GetStationLayout(byte *layout, int numtracks, int plat_len, const StationSpec *statspec)
00851 {
00852 if (statspec != NULL && statspec->lengths >= plat_len &&
00853 statspec->platforms[plat_len - 1] >= numtracks &&
00854 statspec->layouts[plat_len - 1][numtracks - 1]) {
00855
00856 memcpy(layout, statspec->layouts[plat_len - 1][numtracks - 1],
00857 plat_len * numtracks);
00858 return;
00859 }
00860
00861 if (plat_len == 1) {
00862 CreateSingle(layout, numtracks);
00863 } else {
00864 if (numtracks & 1) layout = CreateSingle(layout, plat_len);
00865 numtracks >>= 1;
00866
00867 while (--numtracks >= 0) {
00868 layout = CreateMulti(layout, plat_len, 4);
00869 layout = CreateMulti(layout, plat_len, 6);
00870 }
00871 }
00872 }
00873
00885 template <class T, StringID error_message>
00886 CommandCost FindJoiningBaseStation(StationID existing_station, StationID station_to_join, bool adjacent, TileArea ta, T **st)
00887 {
00888 assert(*st == NULL);
00889 bool check_surrounding = true;
00890
00891 if (_settings_game.station.adjacent_stations) {
00892 if (existing_station != INVALID_STATION) {
00893 if (adjacent && existing_station != station_to_join) {
00894
00895
00896 return_cmd_error(error_message);
00897 } else {
00898
00899
00900 *st = T::GetIfValid(existing_station);
00901 check_surrounding = (*st == NULL);
00902 }
00903 } else {
00904
00905
00906 if (adjacent) check_surrounding = false;
00907 }
00908 }
00909
00910 if (check_surrounding) {
00911
00912 if (!GetStationAround(ta, existing_station, st)) return CMD_ERROR;
00913 }
00914
00915
00916 if (*st == NULL && station_to_join != INVALID_STATION) *st = T::GetIfValid(station_to_join);
00917
00918 return CommandCost();
00919 }
00920
00930 static CommandCost FindJoiningStation(StationID existing_station, StationID station_to_join, bool adjacent, TileArea ta, Station **st)
00931 {
00932 return FindJoiningBaseStation<Station, STR_ERROR_MUST_REMOVE_RAILWAY_STATION_FIRST>(existing_station, station_to_join, adjacent, ta, st);
00933 }
00934
00944 CommandCost FindJoiningWaypoint(StationID existing_waypoint, StationID waypoint_to_join, bool adjacent, TileArea ta, Waypoint **wp)
00945 {
00946 return FindJoiningBaseStation<Waypoint, STR_ERROR_MUST_REMOVE_RAILWAYPOINT_FIRST>(existing_waypoint, waypoint_to_join, adjacent, ta, wp);
00947 }
00948
00966 CommandCost CmdBuildRailStation(TileIndex tile_org, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
00967 {
00968
00969 RailType rt = (RailType)GB(p1, 0, 4);
00970 Axis axis = Extract<Axis, 4>(p1);
00971 byte numtracks = GB(p1, 8, 8);
00972 byte plat_len = GB(p1, 16, 8);
00973 bool adjacent = HasBit(p1, 24);
00974
00975 StationClassID spec_class = (StationClassID)GB(p2, 0, 8);
00976 byte spec_index = GB(p2, 8, 8);
00977 StationID station_to_join = GB(p2, 16, 16);
00978
00979
00980 if (!CheckIfAuthorityAllowsNewStation(tile_org, flags)) return CMD_ERROR;
00981 if (!ValParamRailtype(rt)) return CMD_ERROR;
00982
00983
00984 if ((uint)spec_class >= GetNumStationClasses()) return CMD_ERROR;
00985 if (spec_index >= GetNumCustomStations(spec_class)) return CMD_ERROR;
00986 if (plat_len == 0 || numtracks == 0) return CMD_ERROR;
00987
00988 int w_org, h_org;
00989 if (axis == AXIS_X) {
00990 w_org = plat_len;
00991 h_org = numtracks;
00992 } else {
00993 h_org = plat_len;
00994 w_org = numtracks;
00995 }
00996
00997 bool reuse = (station_to_join != NEW_STATION);
00998 if (!reuse) station_to_join = INVALID_STATION;
00999 bool distant_join = (station_to_join != INVALID_STATION);
01000
01001 if (distant_join && (!_settings_game.station.distant_join_stations || !Station::IsValidID(station_to_join))) return CMD_ERROR;
01002
01003 if (h_org > _settings_game.station.station_spread || w_org > _settings_game.station.station_spread) return CMD_ERROR;
01004
01005
01006 TileArea new_location(tile_org, w_org, h_org);
01007
01008
01009 StationID est = INVALID_STATION;
01010
01011 CommandCost cost = CheckFlatLandBelow(tile_org, w_org, h_org, flags, 5 << axis, _settings_game.station.nonuniform_stations ? &est : NULL, true, rt);
01012 if (cost.Failed()) return cost;
01013
01014 cost.AddCost((numtracks * _price[PR_BUILD_STATION_RAIL] + _price[PR_BUILD_STATION_RAIL_LENGTH]) * plat_len);
01015
01016 Station *st = NULL;
01017 CommandCost ret = FindJoiningStation(est, station_to_join, adjacent, new_location, &st);
01018 if (ret.Failed()) return ret;
01019
01020
01021 if (st == NULL && reuse) st = GetClosestDeletedStation(tile_org);
01022
01023 if (st != NULL) {
01024
01025 if (st->owner != _current_company)
01026 return_cmd_error(STR_ERROR_TOO_CLOSE_TO_ANOTHER_STATION);
01027
01028 if (st->train_station.tile != INVALID_TILE) {
01029
01030 if (!_settings_game.station.join_stations)
01031 return_cmd_error(STR_ERROR_TOO_CLOSE_TO_ANOTHER_RAILROAD);
01032 if (!CanExpandRailStation(st, new_location, axis))
01033 return CMD_ERROR;
01034 }
01035
01036
01037 if (!st->rect.BeforeAddRect(tile_org, w_org, h_org, StationRect::ADD_TEST)) return CMD_ERROR;
01038 } else {
01039
01040 if (!Station::CanAllocateItem()) return_cmd_error(STR_ERROR_TOO_MANY_STATIONS_LOADING);
01041
01042 if (flags & DC_EXEC) {
01043 st = new Station(tile_org);
01044
01045 st->town = ClosestTownFromTile(tile_org, UINT_MAX);
01046 st->string_id = GenerateStationName(st, tile_org, STATIONNAMING_RAIL);
01047
01048 if (Company::IsValidID(_current_company)) {
01049 SetBit(st->town->have_ratings, _current_company);
01050 }
01051 }
01052 }
01053
01054
01055 const StationSpec *statspec = GetCustomStationSpec(spec_class, spec_index);
01056 int specindex = AllocateSpecToStation(statspec, st, (flags & DC_EXEC) != 0);
01057 if (specindex == -1) return_cmd_error(STR_ERROR_TOO_MANY_STATION_SPECS);
01058
01059 if (statspec != NULL) {
01060
01061
01062
01063 if (HasBit(statspec->disallowed_platforms, numtracks - 1) || HasBit(statspec->disallowed_lengths, plat_len - 1)) {
01064 return CMD_ERROR;
01065 }
01066
01067
01068 if (HasBit(statspec->callback_mask, CBM_STATION_AVAIL) && GB(GetStationCallback(CBID_STATION_AVAILABILITY, 0, 0, statspec, NULL, INVALID_TILE), 0, 8) == 0) {
01069 return CMD_ERROR;
01070 }
01071 }
01072
01073 if (flags & DC_EXEC) {
01074 TileIndexDiff tile_delta;
01075 byte *layout_ptr;
01076 byte numtracks_orig;
01077 Track track;
01078
01079 st->train_station = new_location;
01080 st->AddFacility(FACIL_TRAIN, new_location.tile);
01081
01082 st->rect.BeforeAddRect(tile_org, w_org, h_org, StationRect::ADD_TRY);
01083
01084 if (statspec != NULL) {
01085
01086
01087 st->cached_anim_triggers |= statspec->anim_triggers;
01088 }
01089
01090 tile_delta = (axis == AXIS_X ? TileDiffXY(1, 0) : TileDiffXY(0, 1));
01091 track = AxisToTrack(axis);
01092
01093 layout_ptr = AllocaM(byte, numtracks * plat_len);
01094 GetStationLayout(layout_ptr, numtracks, plat_len, statspec);
01095
01096 numtracks_orig = numtracks;
01097
01098 SmallVector<Train*, 4> affected_vehicles;
01099 do {
01100 TileIndex tile = tile_org;
01101 int w = plat_len;
01102 do {
01103 byte layout = *layout_ptr++;
01104 if (IsRailStationTile(tile) && HasStationReservation(tile)) {
01105
01106 Train *v = GetTrainForReservation(tile, AxisToTrack(GetRailStationAxis(tile)));
01107 if (v != NULL) {
01108 FreeTrainTrackReservation(v);
01109 *affected_vehicles.Append() = v;
01110 if (IsRailStationTile(v->tile)) SetRailStationPlatformReservation(v->tile, TrackdirToExitdir(v->GetVehicleTrackdir()), false);
01111 for (; v->Next() != NULL; v = v->Next()) { }
01112 if (IsRailStationTile(v->tile)) SetRailStationPlatformReservation(v->tile, TrackdirToExitdir(ReverseTrackdir(v->GetVehicleTrackdir())), false);
01113 }
01114 }
01115
01116
01117 DeleteAnimatedTile(tile);
01118 byte old_specindex = HasStationTileRail(tile) ? GetCustomStationSpecIndex(tile) : 0;
01119 MakeRailStation(tile, st->owner, st->index, axis, layout & ~1, rt);
01120
01121 DeallocateSpecFromStation(st, old_specindex);
01122
01123 SetCustomStationSpecIndex(tile, specindex);
01124 SetStationTileRandomBits(tile, GB(Random(), 0, 4));
01125 SetStationAnimationFrame(tile, 0);
01126
01127 if (statspec != NULL) {
01128
01129 uint32 platinfo = GetPlatformInfo(AXIS_X, 0, plat_len, numtracks_orig, plat_len - w, numtracks_orig - numtracks, false);
01130
01131
01132 uint16 callback = GetStationCallback(CBID_STATION_TILE_LAYOUT, platinfo, 0, statspec, NULL, tile);
01133 if (callback != CALLBACK_FAILED && callback < 8) SetStationGfx(tile, (callback & ~1) + axis);
01134
01135
01136 StationAnimationTrigger(st, tile, STAT_ANIM_BUILT);
01137 }
01138
01139 tile += tile_delta;
01140 } while (--w);
01141 AddTrackToSignalBuffer(tile_org, track, _current_company);
01142 YapfNotifyTrackLayoutChange(tile_org, track);
01143 tile_org += tile_delta ^ TileDiffXY(1, 1);
01144 } while (--numtracks);
01145
01146 for (uint i = 0; i < affected_vehicles.Length(); ++i) {
01147
01148 Train *v = affected_vehicles[i];
01149 if (IsRailStationTile(v->tile)) SetRailStationPlatformReservation(v->tile, TrackdirToExitdir(v->GetVehicleTrackdir()), true);
01150 TryPathReserve(v, true, true);
01151 for (; v->Next() != NULL; v = v->Next()) { }
01152 if (IsRailStationTile(v->tile)) SetRailStationPlatformReservation(v->tile, TrackdirToExitdir(ReverseTrackdir(v->GetVehicleTrackdir())), true);
01153 }
01154
01155 st->MarkTilesDirty(false);
01156 st->UpdateVirtCoord();
01157 UpdateStationAcceptance(st, false);
01158 st->RecomputeIndustriesNear();
01159 InvalidateWindowData(WC_SELECT_STATION, 0, 0);
01160 InvalidateWindowData(WC_STATION_LIST, st->owner, 0);
01161 SetWindowWidgetDirty(WC_STATION_VIEW, st->index, SVW_TRAINS);
01162 }
01163
01164 return cost;
01165 }
01166
01167 static void MakeRailStationAreaSmaller(BaseStation *st)
01168 {
01169 TileArea ta = st->train_station;
01170
01171 restart:
01172
01173
01174 if (ta.w != 0 && ta.h != 0) {
01175
01176 for (uint i = 0; !st->TileBelongsToRailStation(ta.tile + TileDiffXY(0, i));) {
01177
01178 if (++i == ta.h) {
01179 ta.tile += TileDiffXY(1, 0);
01180 ta.w--;
01181 goto restart;
01182 }
01183 }
01184
01185
01186 for (uint i = 0; !st->TileBelongsToRailStation(ta.tile + TileDiffXY(ta.w - 1, i));) {
01187
01188 if (++i == ta.h) {
01189 ta.w--;
01190 goto restart;
01191 }
01192 }
01193
01194
01195 for (uint i = 0; !st->TileBelongsToRailStation(ta.tile + TileDiffXY(i, 0));) {
01196
01197 if (++i == ta.w) {
01198 ta.tile += TileDiffXY(0, 1);
01199 ta.h--;
01200 goto restart;
01201 }
01202 }
01203
01204
01205 for (uint i = 0; !st->TileBelongsToRailStation(ta.tile + TileDiffXY(i, ta.h - 1));) {
01206
01207 if (++i == ta.w) {
01208 ta.h--;
01209 goto restart;
01210 }
01211 }
01212 } else {
01213 ta.Clear();
01214 }
01215
01216 st->train_station = ta;
01217 }
01218
01229 template <class T>
01230 CommandCost RemoveFromRailBaseStation(TileArea ta, SmallVector<T *, 4> &affected_stations, DoCommandFlag flags, Money removal_cost, bool keep_rail)
01231 {
01232
01233 int quantity = 0;
01234 CommandCost total_cost(EXPENSES_CONSTRUCTION);
01235
01236
01237 TILE_AREA_LOOP(tile, ta) {
01238
01239 if (!HasStationTileRail(tile)) continue;
01240
01241
01242 if (!EnsureNoVehicleOnGround(tile)) continue;
01243
01244
01245 T *st = T::GetByTile(tile);
01246 if (st == NULL) continue;
01247 if (_current_company != OWNER_WATER && !CheckOwnership(st->owner)) continue;
01248
01249
01250
01251
01252 if (!_settings_game.station.nonuniform_stations) return_cmd_error(STR_ERROR_NONUNIFORM_STATIONS_DISALLOWED);
01253
01254
01255 quantity++;
01256
01257 if (flags & DC_EXEC) {
01258
01259 uint specindex = GetCustomStationSpecIndex(tile);
01260 Track track = GetRailStationTrack(tile);
01261 Owner owner = GetTileOwner(tile);
01262 RailType rt = GetRailType(tile);
01263 Train *v = NULL;
01264
01265 if (HasStationReservation(tile)) {
01266 v = GetTrainForReservation(tile, track);
01267 if (v != NULL) {
01268
01269 FreeTrainTrackReservation(v);
01270 if (IsRailStationTile(v->tile)) SetRailStationPlatformReservation(v->tile, TrackdirToExitdir(v->GetVehicleTrackdir()), false);
01271 Vehicle *temp = v;
01272 for (; temp->Next() != NULL; temp = temp->Next()) { }
01273 if (IsRailStationTile(temp->tile)) SetRailStationPlatformReservation(temp->tile, TrackdirToExitdir(ReverseTrackdir(temp->GetVehicleTrackdir())), false);
01274 }
01275 }
01276
01277 DoClearSquare(tile);
01278 if (keep_rail) MakeRailNormal(tile, owner, TrackToTrackBits(track), rt);
01279
01280 st->rect.AfterRemoveTile(st, tile);
01281 AddTrackToSignalBuffer(tile, track, owner);
01282 YapfNotifyTrackLayoutChange(tile, track);
01283
01284 DeallocateSpecFromStation(st, specindex);
01285
01286 affected_stations.Include(st);
01287
01288 if (v != NULL) {
01289
01290 if (IsRailStationTile(v->tile)) SetRailStationPlatformReservation(v->tile, TrackdirToExitdir(v->GetVehicleTrackdir()), true);
01291 TryPathReserve(v, true, true);
01292 for (; v->Next() != NULL; v = v->Next()) { }
01293 if (IsRailStationTile(v->tile)) SetRailStationPlatformReservation(v->tile, TrackdirToExitdir(ReverseTrackdir(v->GetVehicleTrackdir())), true);
01294 }
01295 }
01296 if (keep_rail) {
01297
01298 total_cost.AddCost(-_price[PR_CLEAR_RAIL]);
01299 }
01300 }
01301
01302 if (quantity == 0) return CMD_ERROR;
01303
01304 for (T **stp = affected_stations.Begin(); stp != affected_stations.End(); stp++) {
01305 T *st = *stp;
01306
01307
01308
01309
01310 MakeRailStationAreaSmaller(st);
01311 UpdateStationSignCoord(st);
01312
01313
01314 if (st->train_station.tile == INVALID_TILE) {
01315 st->facilities &= ~FACIL_TRAIN;
01316 SetWindowWidgetDirty(WC_STATION_VIEW, st->index, SVW_TRAINS);
01317 st->UpdateVirtCoord();
01318 DeleteStationIfEmpty(st);
01319 }
01320 }
01321
01322 total_cost.AddCost(quantity * removal_cost);
01323 return total_cost;
01324 }
01325
01336 CommandCost CmdRemoveFromRailStation(TileIndex start, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
01337 {
01338 TileIndex end = p1 == 0 ? start : p1;
01339 if (start >= MapSize() || end >= MapSize()) return CMD_ERROR;
01340
01341 TileArea ta(start, end);
01342 SmallVector<Station *, 4> affected_stations;
01343
01344 CommandCost ret = RemoveFromRailBaseStation(ta, affected_stations, flags, _price[PR_CLEAR_STATION_RAIL], HasBit(p2, 0));
01345 if (ret.Failed()) return ret;
01346
01347
01348 for (Station **stp = affected_stations.Begin(); stp != affected_stations.End(); stp++) {
01349 Station *st = *stp;
01350
01351 if (st->train_station.tile == INVALID_TILE) SetWindowWidgetDirty(WC_STATION_VIEW, st->index, SVW_TRAINS);
01352 st->MarkTilesDirty(false);
01353 st->RecomputeIndustriesNear();
01354 }
01355
01356
01357 return ret;
01358 }
01359
01370 CommandCost CmdRemoveFromRailWaypoint(TileIndex start, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
01371 {
01372 TileIndex end = p1 == 0 ? start : p1;
01373 if (start >= MapSize() || end >= MapSize()) return CMD_ERROR;
01374
01375 TileArea ta(start, end);
01376 SmallVector<Waypoint *, 4> affected_stations;
01377
01378 return RemoveFromRailBaseStation(ta, affected_stations, flags, _price[PR_CLEAR_WAYPOINT_RAIL], HasBit(p2, 0));
01379 }
01380
01381
01389 template <class T>
01390 CommandCost RemoveRailStation(T *st, DoCommandFlag flags)
01391 {
01392
01393 if (_current_company != OWNER_WATER && !CheckOwnership(st->owner)) return CMD_ERROR;
01394
01395
01396 TileArea ta = st->train_station;
01397
01398 assert(ta.w != 0 && ta.h != 0);
01399
01400 CommandCost cost(EXPENSES_CONSTRUCTION);
01401
01402 TILE_AREA_LOOP(tile, ta) {
01403
01404 if (!st->TileBelongsToRailStation(tile)) continue;
01405
01406 if (!EnsureNoVehicleOnGround(tile)) return CMD_ERROR;
01407
01408 cost.AddCost(_price[PR_CLEAR_STATION_RAIL]);
01409 if (flags & DC_EXEC) {
01410
01411 Track track = GetRailStationTrack(tile);
01412 Owner owner = GetTileOwner(tile);
01413 Train *v = NULL;
01414 if (HasStationReservation(tile)) {
01415 v = GetTrainForReservation(tile, track);
01416 if (v != NULL) FreeTrainTrackReservation(v);
01417 }
01418 DoClearSquare(tile);
01419 AddTrackToSignalBuffer(tile, track, owner);
01420 YapfNotifyTrackLayoutChange(tile, track);
01421 if (v != NULL) TryPathReserve(v, true);
01422 }
01423 }
01424
01425 if (flags & DC_EXEC) {
01426 st->rect.AfterRemoveRect(st, st->train_station.tile, st->train_station.w, st->train_station.h);
01427
01428 st->train_station.Clear();
01429
01430 st->facilities &= ~FACIL_TRAIN;
01431
01432 free(st->speclist);
01433 st->num_specs = 0;
01434 st->speclist = NULL;
01435 st->cached_anim_triggers = 0;
01436
01437 SetWindowWidgetDirty(WC_STATION_VIEW, st->index, SVW_TRAINS);
01438 st->UpdateVirtCoord();
01439 DeleteStationIfEmpty(st);
01440 }
01441
01442 return cost;
01443 }
01444
01451 static CommandCost RemoveRailStation(TileIndex tile, DoCommandFlag flags)
01452 {
01453
01454 if (_current_company == OWNER_WATER && _settings_game.station.nonuniform_stations) {
01455 return DoCommand(tile, 0, 0, DC_EXEC, CMD_REMOVE_FROM_RAIL_STATION);
01456 }
01457
01458 Station *st = Station::GetByTile(tile);
01459 CommandCost cost = RemoveRailStation(st, flags);
01460
01461 if (flags & DC_EXEC) st->RecomputeIndustriesNear();
01462
01463 return cost;
01464 }
01465
01472 static CommandCost RemoveRailWaypoint(TileIndex tile, DoCommandFlag flags)
01473 {
01474
01475 if (_current_company == OWNER_WATER && _settings_game.station.nonuniform_stations) {
01476 return DoCommand(tile, 0, 0, DC_EXEC, CMD_REMOVE_FROM_RAIL_WAYPOINT);
01477 }
01478
01479 return RemoveRailStation(Waypoint::GetByTile(tile), flags);
01480 }
01481
01482
01488 static RoadStop **FindRoadStopSpot(bool truck_station, Station *st)
01489 {
01490 RoadStop **primary_stop = (truck_station) ? &st->truck_stops : &st->bus_stops;
01491
01492 if (*primary_stop == NULL) {
01493
01494 return primary_stop;
01495 } else {
01496
01497 RoadStop *stop = *primary_stop;
01498 while (stop->next != NULL) stop = stop->next;
01499 return &stop->next;
01500 }
01501 }
01502
01515 CommandCost CmdBuildRoadStop(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
01516 {
01517 bool type = HasBit(p2, 0);
01518 bool is_drive_through = HasBit(p2, 1);
01519 bool build_over_road = is_drive_through && IsNormalRoadTile(tile);
01520 RoadTypes rts = (RoadTypes)GB(p2, 2, 2);
01521 StationID station_to_join = GB(p2, 16, 16);
01522 bool reuse = (station_to_join != NEW_STATION);
01523 if (!reuse) station_to_join = INVALID_STATION;
01524 bool distant_join = (station_to_join != INVALID_STATION);
01525 Owner tram_owner = _current_company;
01526 Owner road_owner = _current_company;
01527
01528 if (distant_join && (!_settings_game.station.distant_join_stations || !Station::IsValidID(station_to_join))) return CMD_ERROR;
01529
01530 if (!AreValidRoadTypes(rts) || !HasRoadTypesAvail(_current_company, rts)) return CMD_ERROR;
01531
01532
01533 if (!is_drive_through && HasBit(rts, ROADTYPE_TRAM)) return CMD_ERROR;
01534
01535
01536 if (!IsValidDiagDirection((DiagDirection)p1)) return CMD_ERROR;
01537
01538 if (is_drive_through && !IsValidAxis((Axis)p1)) return CMD_ERROR;
01539
01540 if (build_over_road && (GetAllRoadBits(tile) & ((Axis)p1 == AXIS_X ? ROAD_Y : ROAD_X)) != 0) return_cmd_error(STR_ERROR_DRIVE_THROUGH_DIRECTION);
01541
01542 if (!CheckIfAuthorityAllowsNewStation(tile, flags)) return CMD_ERROR;
01543
01544 RoadTypes cur_rts = IsNormalRoadTile(tile) ? GetRoadTypes(tile) : ROADTYPES_NONE;
01545 uint num_roadbits = 0;
01546
01547 if (build_over_road) {
01548
01549 if (HasBit(cur_rts, ROADTYPE_ROAD)) {
01550 road_owner = GetRoadOwner(tile, ROADTYPE_ROAD);
01551 if (road_owner == OWNER_TOWN) {
01552 if (!_settings_game.construction.road_stop_on_town_road) return_cmd_error(STR_ERROR_DRIVE_THROUGH_ON_TOWN_ROAD);
01553 } else if (!_settings_game.construction.road_stop_on_competitor_road && road_owner != OWNER_NONE && !CheckOwnership(road_owner)) {
01554 return CMD_ERROR;
01555 }
01556 num_roadbits += CountBits(GetRoadBits(tile, ROADTYPE_ROAD));
01557 }
01558
01559
01560 if (HasBit(cur_rts, ROADTYPE_TRAM)) {
01561 tram_owner = GetRoadOwner(tile, ROADTYPE_TRAM);
01562 if (!_settings_game.construction.road_stop_on_competitor_road && tram_owner != OWNER_NONE && !CheckOwnership(tram_owner)) {
01563 return CMD_ERROR;
01564 }
01565 num_roadbits += CountBits(GetRoadBits(tile, ROADTYPE_TRAM));
01566 }
01567
01568
01569 if (!EnsureNoVehicleOnGround(tile)) return CMD_ERROR;
01570
01571
01572 rts |= cur_rts;
01573 }
01574
01575 CommandCost cost = CheckFlatLandBelow(tile, 1, 1, flags, is_drive_through ? 5 << p1 : 1 << p1, NULL, !build_over_road);
01576 if (cost.Failed()) return cost;
01577 uint roadbits_to_build = CountBits(rts) * 2 - num_roadbits;
01578 cost.AddCost(_price[PR_BUILD_ROAD] * roadbits_to_build);
01579
01580 Station *st = NULL;
01581 CommandCost ret = FindJoiningStation(INVALID_STATION, station_to_join, HasBit(p2, 5), TileArea(tile, 1, 1), &st);
01582 if (ret.Failed()) return ret;
01583
01584
01585 if (st == NULL && reuse) st = GetClosestDeletedStation(tile);
01586
01587
01588 if (!RoadStop::CanAllocateItem()) return_cmd_error(type ? STR_ERROR_TOO_MANY_TRUCK_STOPS : STR_ERROR_TOO_MANY_BUS_STOPS);
01589
01590 if (st != NULL) {
01591 if (st->owner != _current_company) {
01592 return_cmd_error(STR_ERROR_TOO_CLOSE_TO_ANOTHER_STATION);
01593 }
01594
01595 if (!st->rect.BeforeAddTile(tile, StationRect::ADD_TEST)) return CMD_ERROR;
01596 } else {
01597
01598 if (!Station::CanAllocateItem()) return_cmd_error(STR_ERROR_TOO_MANY_STATIONS_LOADING);
01599
01600 if (flags & DC_EXEC) {
01601 st = new Station(tile);
01602
01603 st->town = ClosestTownFromTile(tile, UINT_MAX);
01604 st->string_id = GenerateStationName(st, tile, STATIONNAMING_ROAD);
01605
01606 if (Company::IsValidID(_current_company)) {
01607 SetBit(st->town->have_ratings, _current_company);
01608 }
01609 }
01610 }
01611
01612 cost.AddCost(_price[type ? PR_BUILD_STATION_TRUCK : PR_BUILD_STATION_BUS]);
01613
01614 if (flags & DC_EXEC) {
01615 RoadStop *road_stop = new RoadStop(tile);
01616
01617 RoadStop **currstop = FindRoadStopSpot(type, st);
01618 *currstop = road_stop;
01619
01620 if (type) {
01621 st->truck_station.Add(tile);
01622 } else {
01623 st->bus_station.Add(tile);
01624 }
01625
01626
01627 st->AddFacility((type) ? FACIL_TRUCK_STOP : FACIL_BUS_STOP, tile);
01628
01629 st->rect.BeforeAddTile(tile, StationRect::ADD_TRY);
01630
01631 RoadStopType rs_type = type ? ROADSTOP_TRUCK : ROADSTOP_BUS;
01632 if (is_drive_through) {
01633 MakeDriveThroughRoadStop(tile, st->owner, road_owner, tram_owner, st->index, rs_type, rts, (Axis)p1);
01634 road_stop->MakeDriveThrough();
01635 } else {
01636 MakeRoadStop(tile, st->owner, st->index, rs_type, rts, (DiagDirection)p1);
01637 }
01638
01639 st->UpdateVirtCoord();
01640 UpdateStationAcceptance(st, false);
01641 st->RecomputeIndustriesNear();
01642 InvalidateWindowData(WC_SELECT_STATION, 0, 0);
01643 InvalidateWindowData(WC_STATION_LIST, st->owner, 0);
01644 SetWindowWidgetDirty(WC_STATION_VIEW, st->index, SVW_ROADVEHS);
01645 }
01646 return cost;
01647 }
01648
01649
01650 static Vehicle *ClearRoadStopStatusEnum(Vehicle *v, void *)
01651 {
01652 if (v->type == VEH_ROAD) {
01653
01654
01655
01656
01657
01658
01659 RoadVehicle *rv = RoadVehicle::From(v);
01660 if (HasBit(rv->state, RVS_IN_DT_ROAD_STOP)) rv->state &= RVSB_ROAD_STOP_TRACKDIR_MASK;
01661 }
01662
01663 return NULL;
01664 }
01665
01666
01673 static CommandCost RemoveRoadStop(TileIndex tile, DoCommandFlag flags)
01674 {
01675 Station *st = Station::GetByTile(tile);
01676
01677 if (_current_company != OWNER_WATER && !CheckOwnership(st->owner)) {
01678 return CMD_ERROR;
01679 }
01680
01681 bool is_truck = IsTruckStop(tile);
01682
01683 RoadStop **primary_stop;
01684 RoadStop *cur_stop;
01685 if (is_truck) {
01686 primary_stop = &st->truck_stops;
01687 cur_stop = RoadStop::GetByTile(tile, ROADSTOP_TRUCK);
01688 } else {
01689 primary_stop = &st->bus_stops;
01690 cur_stop = RoadStop::GetByTile(tile, ROADSTOP_BUS);
01691 }
01692
01693 assert(cur_stop != NULL);
01694
01695
01696 if (IsDriveThroughStopTile(tile) && (flags & DC_BANKRUPT)) {
01697
01698 if (flags & DC_EXEC) FindVehicleOnPos(tile, NULL, &ClearRoadStopStatusEnum);
01699 } else {
01700 if (!EnsureNoVehicleOnGround(tile)) return CMD_ERROR;
01701 }
01702
01703 if (flags & DC_EXEC) {
01704 if (*primary_stop == cur_stop) {
01705
01706 *primary_stop = cur_stop->next;
01707
01708 if (*primary_stop == NULL) {
01709 st->facilities &= (is_truck ? ~FACIL_TRUCK_STOP : ~FACIL_BUS_STOP);
01710 }
01711 } else {
01712
01713 RoadStop *pred = *primary_stop;
01714 while (pred->next != cur_stop) pred = pred->next;
01715 pred->next = cur_stop->next;
01716 }
01717
01718 if (IsDriveThroughStopTile(tile)) {
01719
01720 cur_stop->ClearDriveThrough();
01721 } else {
01722 DoClearSquare(tile);
01723 }
01724
01725 SetWindowWidgetDirty(WC_STATION_VIEW, st->index, SVW_ROADVEHS);
01726 delete cur_stop;
01727
01728
01729 RoadVehicle *v;
01730 FOR_ALL_ROADVEHICLES(v) {
01731 if (v->First() == v && v->current_order.IsType(OT_GOTO_STATION) &&
01732 v->dest_tile == tile) {
01733 v->dest_tile = v->GetOrderStationLocation(st->index);
01734 }
01735 }
01736
01737 st->rect.AfterRemoveTile(st, tile);
01738
01739 st->UpdateVirtCoord();
01740 st->RecomputeIndustriesNear();
01741 DeleteStationIfEmpty(st);
01742
01743
01744 if (is_truck) {
01745 st->truck_station.Clear();
01746 for (const RoadStop *rs = st->truck_stops; rs != NULL; rs = rs->next) st->truck_station.Add(rs->xy);
01747 } else {
01748 st->bus_station.Clear();
01749 for (const RoadStop *rs = st->bus_stops; rs != NULL; rs = rs->next) st->bus_station.Add(rs->xy);
01750 }
01751 }
01752
01753 return CommandCost(EXPENSES_CONSTRUCTION, _price[is_truck ? PR_CLEAR_STATION_TRUCK : PR_CLEAR_STATION_BUS]);
01754 }
01755
01764 CommandCost CmdRemoveRoadStop(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
01765 {
01766
01767 if (!IsTileType(tile, MP_STATION) || !IsRoadStop(tile) || (uint32)GetRoadStopType(tile) != GB(p2, 0, 1)) return CMD_ERROR;
01768
01769
01770 bool is_drive_through = IsDriveThroughStopTile(tile);
01771 RoadTypes rts = GetRoadTypes(tile);
01772 RoadBits road_bits = IsDriveThroughStopTile(tile) ?
01773 ((GetRoadStopDir(tile) == DIAGDIR_NE) ? ROAD_X : ROAD_Y) :
01774 DiagDirToRoadBits(GetRoadStopDir(tile));
01775
01776 Owner road_owner = GetRoadOwner(tile, ROADTYPE_ROAD);
01777 Owner tram_owner = GetRoadOwner(tile, ROADTYPE_TRAM);
01778 CommandCost ret = RemoveRoadStop(tile, flags);
01779
01780
01781 if ((flags & DC_EXEC) && ret.Succeeded() && is_drive_through) {
01782
01783
01784
01785 MakeRoadNormal(tile, road_bits, rts, ClosestTownFromTile(tile, UINT_MAX)->index,
01786 road_owner, tram_owner);
01787 }
01788
01789 return ret;
01790 }
01791
01799 static uint GetMinimalAirportDistanceToTile(const AirportSpec *as, TileIndex town_tile, TileIndex airport_tile)
01800 {
01801 uint ttx = TileX(town_tile);
01802 uint tty = TileY(town_tile);
01803
01804 uint atx = TileX(airport_tile);
01805 uint aty = TileY(airport_tile);
01806
01807 uint btx = TileX(airport_tile) + as->size_x - 1;
01808 uint bty = TileY(airport_tile) + as->size_y - 1;
01809
01810
01811
01812
01813 uint dx = ttx < atx ? atx - ttx : (ttx <= btx ? 0 : ttx - btx);
01814 uint dy = tty < aty ? aty - tty : (tty <= bty ? 0 : tty - bty);
01815
01816 return dx + dy;
01817 }
01818
01827 uint8 GetAirportNoiseLevelForTown(const AirportSpec *as, TileIndex town_tile, TileIndex tile)
01828 {
01829
01830
01831 if (as->noise_level < 2) return as->noise_level;
01832
01833 uint distance = GetMinimalAirportDistanceToTile(as, town_tile, tile);
01834
01835
01836
01837
01838
01839 uint8 town_tolerance_distance = 8 + (_settings_game.difficulty.town_council_tolerance * 4);
01840
01841
01842
01843 uint noise_reduction = distance / town_tolerance_distance;
01844
01845
01846
01847 return noise_reduction >= as->noise_level ? 1 : as->noise_level - noise_reduction;
01848 }
01849
01857 Town *AirportGetNearestTown(const AirportSpec *as, TileIndex airport_tile)
01858 {
01859 Town *t, *nearest = NULL;
01860 uint add = as->size_x + as->size_y - 2;
01861 uint mindist = UINT_MAX - add;
01862 FOR_ALL_TOWNS(t) {
01863 if (DistanceManhattan(t->xy, airport_tile) < mindist + add) {
01864 uint dist = GetMinimalAirportDistanceToTile(as, t->xy, airport_tile);
01865 if (dist < mindist) {
01866 nearest = t;
01867 mindist = dist;
01868 }
01869 }
01870 }
01871
01872 return nearest;
01873 }
01874
01875
01877 void UpdateAirportsNoise()
01878 {
01879 Town *t;
01880 const Station *st;
01881
01882 FOR_ALL_TOWNS(t) t->noise_reached = 0;
01883
01884 FOR_ALL_STATIONS(st) {
01885 if (st->airport_tile != INVALID_TILE) {
01886 const AirportSpec *as = st->GetAirportSpec();
01887 Town *nearest = AirportGetNearestTown(as, st->airport_tile);
01888 nearest->noise_reached += GetAirportNoiseLevelForTown(as, nearest->xy, st->airport_tile);
01889 }
01890 }
01891 }
01892
01903 CommandCost CmdBuildAirport(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
01904 {
01905 bool airport_upgrade = true;
01906 StationID station_to_join = GB(p2, 16, 16);
01907 bool reuse = (station_to_join != NEW_STATION);
01908 if (!reuse) station_to_join = INVALID_STATION;
01909 bool distant_join = (station_to_join != INVALID_STATION);
01910
01911 if (distant_join && (!_settings_game.station.distant_join_stations || !Station::IsValidID(station_to_join))) return CMD_ERROR;
01912
01913 if (p1 >= NUM_AIRPORTS) return CMD_ERROR;
01914
01915 if (!CheckIfAuthorityAllowsNewStation(tile, flags)) {
01916 return CMD_ERROR;
01917 }
01918
01919
01920 const AirportSpec *as = AirportSpec::Get(p1);
01921 if (!as->IsAvailable()) return CMD_ERROR;
01922
01923 Town *t = ClosestTownFromTile(tile, UINT_MAX);
01924 int w = as->size_x;
01925 int h = as->size_y;
01926
01927 if (w > _settings_game.station.station_spread || h > _settings_game.station.station_spread) {
01928 _error_message = STR_ERROR_STATION_TOO_SPREAD_OUT;
01929 return CMD_ERROR;
01930 }
01931
01932 CommandCost cost = CheckFlatLandBelow(tile, w, h, flags, 0, NULL);
01933 if (cost.Failed()) return cost;
01934
01935
01936 Town *nearest = AirportGetNearestTown(as, tile);
01937 uint newnoise_level = GetAirportNoiseLevelForTown(as, nearest->xy, tile);
01938
01939
01940 StringID authority_refuse_message = STR_NULL;
01941
01942 if (_settings_game.economy.station_noise_level) {
01943
01944 if ((nearest->noise_reached + newnoise_level) > nearest->MaxTownNoise()) {
01945 authority_refuse_message = STR_ERROR_LOCAL_AUTHORITY_REFUSES_NOISE;
01946 }
01947 } else {
01948 uint num = 0;
01949 const Station *st;
01950 FOR_ALL_STATIONS(st) {
01951 if (st->town == t && (st->facilities & FACIL_AIRPORT) && st->airport_type != AT_OILRIG) num++;
01952 }
01953 if (num >= 2) {
01954 authority_refuse_message = STR_ERROR_LOCAL_AUTHORITY_REFUSES_AIRPORT;
01955 }
01956 }
01957
01958 if (authority_refuse_message != STR_NULL) {
01959 SetDParam(0, t->index);
01960 return_cmd_error(authority_refuse_message);
01961 }
01962
01963 Station *st = NULL;
01964 CommandCost ret = FindJoiningStation(INVALID_STATION, station_to_join, HasBit(p2, 0), TileArea(tile, w, h), &st);
01965 if (ret.Failed()) return ret;
01966
01967
01968 if (st == NULL && distant_join) st = Station::GetIfValid(station_to_join);
01969
01970
01971 if (st == NULL && reuse) st = GetClosestDeletedStation(tile);
01972
01973 if (st != NULL) {
01974 if (st->owner != _current_company) {
01975 return_cmd_error(STR_ERROR_TOO_CLOSE_TO_ANOTHER_STATION);
01976 }
01977
01978 if (!st->rect.BeforeAddRect(tile, w, h, StationRect::ADD_TEST)) return CMD_ERROR;
01979
01980 if (st->airport_tile != INVALID_TILE) {
01981 return_cmd_error(STR_ERROR_TOO_CLOSE_TO_ANOTHER_AIRPORT);
01982 }
01983 } else {
01984 airport_upgrade = false;
01985
01986
01987 if (!Station::CanAllocateItem()) return_cmd_error(STR_ERROR_TOO_MANY_STATIONS_LOADING);
01988
01989 if (flags & DC_EXEC) {
01990 st = new Station(tile);
01991
01992 st->town = t;
01993 st->string_id = GenerateStationName(st, tile, !(GetAirport(p1)->flags & AirportFTAClass::AIRPLANES) ? STATIONNAMING_HELIPORT : STATIONNAMING_AIRPORT);
01994
01995 if (Company::IsValidID(_current_company)) {
01996 SetBit(st->town->have_ratings, _current_company);
01997 }
01998 }
01999 }
02000
02001 cost.AddCost(_price[PR_BUILD_STATION_AIRPORT] * w * h);
02002
02003 if (flags & DC_EXEC) {
02004
02005 nearest->noise_reached += newnoise_level;
02006
02007 st->airport_tile = tile;
02008 st->AddFacility(FACIL_AIRPORT, tile);
02009 st->airport_type = (byte)p1;
02010 st->airport_flags = 0;
02011
02012 st->rect.BeforeAddRect(tile, w, h, StationRect::ADD_TRY);
02013
02014
02015
02016
02017
02018
02019
02020
02021 if (airport_upgrade) UpdateAirplanesOnNewStation(st);
02022
02023 const AirportTileTable *it = as->table[0];
02024 do {
02025 TileIndex cur_tile = tile + ToTileIndexDiff(it->ti);
02026 MakeAirport(cur_tile, st->owner, st->index, it->gfx);
02027 } while ((++it)->ti.x != -0x80);
02028
02029 st->UpdateVirtCoord();
02030 UpdateStationAcceptance(st, false);
02031 st->RecomputeIndustriesNear();
02032 InvalidateWindowData(WC_SELECT_STATION, 0, 0);
02033 InvalidateWindowData(WC_STATION_LIST, st->owner, 0);
02034 SetWindowWidgetDirty(WC_STATION_VIEW, st->index, SVW_PLANES);
02035
02036 if (_settings_game.economy.station_noise_level) {
02037 SetWindowDirty(WC_TOWN_VIEW, st->town->index);
02038 }
02039 }
02040
02041 return cost;
02042 }
02043
02050 static CommandCost RemoveAirport(TileIndex tile, DoCommandFlag flags)
02051 {
02052 Station *st = Station::GetByTile(tile);
02053
02054 if (_current_company != OWNER_WATER && !CheckOwnership(st->owner)) {
02055 return CMD_ERROR;
02056 }
02057
02058 tile = st->airport_tile;
02059
02060 const AirportSpec *as = st->GetAirportSpec();
02061 int w = as->size_x;
02062 int h = as->size_y;
02063
02064 CommandCost cost(EXPENSES_CONSTRUCTION);
02065
02066 const Aircraft *a;
02067 FOR_ALL_AIRCRAFT(a) {
02068 if (!a->IsNormalAircraft()) continue;
02069 if (a->targetairport == st->index && a->state != FLYING) return CMD_ERROR;
02070 }
02071
02072 TILE_LOOP(tile_cur, w, h, tile) {
02073 if (!EnsureNoVehicleOnGround(tile_cur)) return CMD_ERROR;
02074
02075 if (!st->TileBelongsToAirport(tile_cur)) continue;
02076
02077 cost.AddCost(_price[PR_CLEAR_STATION_AIRPORT]);
02078
02079 if (flags & DC_EXEC) {
02080 DeleteAnimatedTile(tile_cur);
02081 DoClearSquare(tile_cur);
02082 }
02083 }
02084
02085 if (flags & DC_EXEC) {
02086 for (uint i = 0; i < as->nof_depots; ++i) {
02087 DeleteWindowById(
02088 WC_VEHICLE_DEPOT, st->GetHangarTile(i)
02089 );
02090 }
02091
02092
02093
02094
02095 Town *nearest = AirportGetNearestTown(as, tile);
02096 nearest->noise_reached -= GetAirportNoiseLevelForTown(as, nearest->xy, tile);
02097
02098 st->rect.AfterRemoveRect(st, tile, w, h);
02099
02100 st->airport_tile = INVALID_TILE;
02101 st->facilities &= ~FACIL_AIRPORT;
02102
02103 SetWindowWidgetDirty(WC_STATION_VIEW, st->index, SVW_PLANES);
02104
02105 if (_settings_game.economy.station_noise_level) {
02106 SetWindowDirty(WC_TOWN_VIEW, st->town->index);
02107 }
02108
02109 st->UpdateVirtCoord();
02110 st->RecomputeIndustriesNear();
02111 DeleteStationIfEmpty(st);
02112 }
02113
02114 return cost;
02115 }
02116
02123 bool HasStationInUse(StationID station, CompanyID company)
02124 {
02125 const Vehicle *v;
02126 FOR_ALL_VEHICLES(v) {
02127 if (company == INVALID_COMPANY || v->owner == company) {
02128 const Order *order;
02129 FOR_VEHICLE_ORDERS(v, order) {
02130 if ((order->IsType(OT_GOTO_STATION) || order->IsType(OT_GOTO_WAYPOINT)) && order->GetDestination() == station) {
02131 return true;
02132 }
02133 }
02134 }
02135 }
02136 return false;
02137 }
02138
02139 static const TileIndexDiffC _dock_tileoffs_chkaround[] = {
02140 {-1, 0},
02141 { 0, 0},
02142 { 0, 0},
02143 { 0, -1}
02144 };
02145 static const byte _dock_w_chk[4] = { 2, 1, 2, 1 };
02146 static const byte _dock_h_chk[4] = { 1, 2, 1, 2 };
02147
02156 CommandCost CmdBuildDock(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
02157 {
02158 StationID station_to_join = GB(p2, 16, 16);
02159 bool reuse = (station_to_join != NEW_STATION);
02160 if (!reuse) station_to_join = INVALID_STATION;
02161 bool distant_join = (station_to_join != INVALID_STATION);
02162
02163 if (distant_join && (!_settings_game.station.distant_join_stations || !Station::IsValidID(station_to_join))) return CMD_ERROR;
02164
02165 DiagDirection direction = GetInclinedSlopeDirection(GetTileSlope(tile, NULL));
02166 if (direction == INVALID_DIAGDIR) return_cmd_error(STR_ERROR_SITE_UNSUITABLE);
02167 direction = ReverseDiagDir(direction);
02168
02169
02170 if (IsWaterTile(tile)) return_cmd_error(STR_ERROR_SITE_UNSUITABLE);
02171
02172 if (!CheckIfAuthorityAllowsNewStation(tile, flags)) return CMD_ERROR;
02173
02174 if (MayHaveBridgeAbove(tile) && IsBridgeAbove(tile)) return_cmd_error(STR_ERROR_MUST_DEMOLISH_BRIDGE_FIRST);
02175
02176 if (DoCommand(tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR).Failed()) return CMD_ERROR;
02177
02178 TileIndex tile_cur = tile + TileOffsByDiagDir(direction);
02179
02180 if (!IsTileType(tile_cur, MP_WATER) || GetTileSlope(tile_cur, NULL) != SLOPE_FLAT) {
02181 return_cmd_error(STR_ERROR_SITE_UNSUITABLE);
02182 }
02183
02184 if (MayHaveBridgeAbove(tile_cur) && IsBridgeAbove(tile_cur)) return_cmd_error(STR_ERROR_MUST_DEMOLISH_BRIDGE_FIRST);
02185
02186
02187 WaterClass wc = GetWaterClass(tile_cur);
02188
02189 if (DoCommand(tile_cur, 0, 0, flags, CMD_LANDSCAPE_CLEAR).Failed()) return CMD_ERROR;
02190
02191 tile_cur += TileOffsByDiagDir(direction);
02192 if (!IsTileType(tile_cur, MP_WATER) || GetTileSlope(tile_cur, NULL) != SLOPE_FLAT) {
02193 return_cmd_error(STR_ERROR_SITE_UNSUITABLE);
02194 }
02195
02196
02197 Station *st = NULL;
02198 CommandCost ret = FindJoiningStation(INVALID_STATION, station_to_join, HasBit(p1, 0),
02199 TileArea(tile + ToTileIndexDiff(_dock_tileoffs_chkaround[direction]),
02200 _dock_w_chk[direction], _dock_h_chk[direction]), &st);
02201 if (ret.Failed()) return ret;
02202
02203
02204 if (st == NULL && distant_join) st = Station::GetIfValid(station_to_join);
02205
02206
02207 if (st == NULL && reuse) st = GetClosestDeletedStation(tile);
02208
02209 if (st != NULL) {
02210 if (st->owner != _current_company) {
02211 return_cmd_error(STR_ERROR_TOO_CLOSE_TO_ANOTHER_STATION);
02212 }
02213
02214 if (!st->rect.BeforeAddRect(
02215 tile + ToTileIndexDiff(_dock_tileoffs_chkaround[direction]),
02216 _dock_w_chk[direction], _dock_h_chk[direction], StationRect::ADD_TEST)) return CMD_ERROR;
02217
02218 if (st->dock_tile != INVALID_TILE) return_cmd_error(STR_ERROR_TOO_CLOSE_TO_ANOTHER_DOCK);
02219 } else {
02220
02221 if (!Station::CanAllocateItem()) return_cmd_error(STR_ERROR_TOO_MANY_STATIONS_LOADING);
02222
02223 if (flags & DC_EXEC) {
02224 st = new Station(tile);
02225
02226 st->town = ClosestTownFromTile(tile, UINT_MAX);
02227 st->string_id = GenerateStationName(st, tile, STATIONNAMING_DOCK);
02228
02229 if (Company::IsValidID(_current_company)) {
02230 SetBit(st->town->have_ratings, _current_company);
02231 }
02232 }
02233 }
02234
02235 if (flags & DC_EXEC) {
02236 st->dock_tile = tile;
02237 st->AddFacility(FACIL_DOCK, tile);
02238
02239 st->rect.BeforeAddRect(
02240 tile + ToTileIndexDiff(_dock_tileoffs_chkaround[direction]),
02241 _dock_w_chk[direction], _dock_h_chk[direction], StationRect::ADD_TRY);
02242
02243 MakeDock(tile, st->owner, st->index, direction, wc);
02244
02245 st->UpdateVirtCoord();
02246 UpdateStationAcceptance(st, false);
02247 st->RecomputeIndustriesNear();
02248 InvalidateWindowData(WC_SELECT_STATION, 0, 0);
02249 InvalidateWindowData(WC_STATION_LIST, st->owner, 0);
02250 SetWindowWidgetDirty(WC_STATION_VIEW, st->index, SVW_SHIPS);
02251 }
02252
02253 return CommandCost(EXPENSES_CONSTRUCTION, _price[PR_BUILD_STATION_DOCK]);
02254 }
02255
02262 static CommandCost RemoveDock(TileIndex tile, DoCommandFlag flags)
02263 {
02264 Station *st = Station::GetByTile(tile);
02265 if (!CheckOwnership(st->owner)) return CMD_ERROR;
02266
02267 TileIndex tile1 = st->dock_tile;
02268 TileIndex tile2 = tile1 + TileOffsByDiagDir(GetDockDirection(tile1));
02269
02270 if (!EnsureNoVehicleOnGround(tile1)) return CMD_ERROR;
02271 if (!EnsureNoVehicleOnGround(tile2)) return CMD_ERROR;
02272
02273 if (flags & DC_EXEC) {
02274 DoClearSquare(tile1);
02275 MakeWaterKeepingClass(tile2, st->owner);
02276
02277 st->rect.AfterRemoveTile(st, tile1);
02278 st->rect.AfterRemoveTile(st, tile2);
02279
02280 MarkTileDirtyByTile(tile2);
02281
02282 st->dock_tile = INVALID_TILE;
02283 st->facilities &= ~FACIL_DOCK;
02284
02285 SetWindowWidgetDirty(WC_STATION_VIEW, st->index, SVW_SHIPS);
02286 st->UpdateVirtCoord();
02287 st->RecomputeIndustriesNear();
02288 DeleteStationIfEmpty(st);
02289 }
02290
02291 return CommandCost(EXPENSES_CONSTRUCTION, _price[PR_CLEAR_STATION_DOCK]);
02292 }
02293
02294 #include "table/station_land.h"
02295
02296 const DrawTileSprites *GetStationTileLayout(StationType st, byte gfx)
02297 {
02298 return &_station_display_datas[st][gfx];
02299 }
02300
02301 static void DrawTile_Station(TileInfo *ti)
02302 {
02303 const DrawTileSprites *t = NULL;
02304 RoadTypes roadtypes;
02305 int32 total_offset;
02306 int32 custom_ground_offset;
02307 const RailtypeInfo *rti = NULL;
02308 uint32 relocation = 0;
02309 const BaseStation *st = NULL;
02310 const StationSpec *statspec = NULL;
02311
02312 if (HasStationRail(ti->tile)) {
02313 rti = GetRailTypeInfo(GetRailType(ti->tile));
02314 roadtypes = ROADTYPES_NONE;
02315 total_offset = rti->total_offset;
02316 custom_ground_offset = rti->custom_ground_offset;
02317
02318 if (IsCustomStationSpecIndex(ti->tile)) {
02319
02320 st = BaseStation::GetByTile(ti->tile);
02321 statspec = st->speclist[GetCustomStationSpecIndex(ti->tile)].spec;
02322
02323 if (statspec != NULL) {
02324 uint tile = GetStationGfx(ti->tile);
02325
02326 relocation = GetCustomStationRelocation(statspec, st, ti->tile);
02327
02328 if (HasBit(statspec->callback_mask, CBM_STATION_SPRITE_LAYOUT)) {
02329 uint16 callback = GetStationCallback(CBID_STATION_SPRITE_LAYOUT, 0, 0, statspec, st, ti->tile);
02330 if (callback != CALLBACK_FAILED) tile = (callback & ~1) + GetRailStationAxis(ti->tile);
02331 }
02332
02333
02334 if (statspec->renderdata != NULL) {
02335 t = &statspec->renderdata[tile < statspec->tiles ? tile : (uint)GetRailStationAxis(ti->tile)];
02336 }
02337 }
02338 }
02339 } else {
02340 roadtypes = IsRoadStop(ti->tile) ? GetRoadTypes(ti->tile) : ROADTYPES_NONE;
02341 total_offset = 0;
02342 custom_ground_offset = 0;
02343 }
02344
02345 if (IsAirport(ti->tile)) {
02346 switch (GetStationGfx(ti->tile)) {
02347 case APT_RADAR_GRASS_FENCE_SW:
02348 t = &_station_display_datas_airport_radar_grass_fence_sw[GetStationAnimationFrame(ti->tile)];
02349 break;
02350 case APT_GRASS_FENCE_NE_FLAG:
02351 t = &_station_display_datas_airport_flag_grass_fence_ne[GetStationAnimationFrame(ti->tile)];
02352 break;
02353 case APT_RADAR_FENCE_SW:
02354 t = &_station_display_datas_airport_radar_fence_sw[GetStationAnimationFrame(ti->tile)];
02355 break;
02356 case APT_RADAR_FENCE_NE:
02357 t = &_station_display_datas_airport_radar_fence_ne[GetStationAnimationFrame(ti->tile)];
02358 break;
02359 case APT_GRASS_FENCE_NE_FLAG_2:
02360 t = &_station_display_datas_airport_flag_grass_fence_ne_2[GetStationAnimationFrame(ti->tile)];
02361 break;
02362 }
02363 }
02364
02365 Owner owner = GetTileOwner(ti->tile);
02366
02367 PaletteID palette;
02368 if (Company::IsValidID(owner)) {
02369 palette = COMPANY_SPRITE_COLOUR(owner);
02370 } else {
02371
02372 palette = PALETTE_TO_GREY;
02373 }
02374
02375 if (t == NULL || t->seq == NULL) t = &_station_display_datas[GetStationType(ti->tile)][GetStationGfx(ti->tile)];
02376
02377
02378 if (ti->tileh != SLOPE_FLAT && !IsDock(ti->tile)) {
02379 if (statspec != NULL && HasBit(statspec->flags, SSF_CUSTOM_FOUNDATIONS)) {
02380
02381 SpriteID image = GetCustomStationFoundationRelocation(statspec, st, ti->tile);
02382
02383 if (HasBit(statspec->flags, SSF_EXTENDED_FOUNDATIONS)) {
02384
02385
02386 static const uint8 foundation_parts[] = {
02387 0, 0, 0, 0,
02388 0, 1, 2, 3,
02389 0, 4, 5, 6,
02390 7, 8, 9
02391 };
02392
02393 AddSortableSpriteToDraw(image + foundation_parts[ti->tileh], PAL_NONE, ti->x, ti->y, 16, 16, 7, ti->z);
02394 } else {
02395
02396
02397
02398
02399 static const uint8 composite_foundation_parts[] = {
02400
02401 0x00, 0xD1, 0xE4, 0xE0,
02402
02403 0xCA, 0xC9, 0xC4, 0xC0,
02404
02405 0xD2, 0x91, 0xE4, 0xA0,
02406
02407 0x4A, 0x09, 0x44
02408 };
02409
02410 uint8 parts = composite_foundation_parts[ti->tileh];
02411
02412
02413
02414 uint z;
02415 Slope slope = GetFoundationSlope(ti->tile, &z);
02416 if (!HasFoundationNW(ti->tile, slope, z)) ClrBit(parts, 6);
02417 if (!HasFoundationNE(ti->tile, slope, z)) ClrBit(parts, 7);
02418
02419 StartSpriteCombine();
02420 for (int i = 0; i < 8; i++) {
02421 if (HasBit(parts, i)) {
02422 AddSortableSpriteToDraw(image + i, PAL_NONE, ti->x, ti->y, 16, 16, 7, ti->z);
02423 }
02424 }
02425 EndSpriteCombine();
02426 }
02427
02428 OffsetGroundSprite(31, 1);
02429 ti->z += ApplyFoundationToSlope(FOUNDATION_LEVELED, &ti->tileh);
02430 } else {
02431 DrawFoundation(ti, FOUNDATION_LEVELED);
02432 }
02433 }
02434
02435 if (IsBuoy(ti->tile) || IsDock(ti->tile) || (IsOilRig(ti->tile) && GetWaterClass(ti->tile) != WATER_CLASS_INVALID)) {
02436 if (ti->tileh == SLOPE_FLAT) {
02437 DrawWaterClassGround(ti);
02438 } else {
02439 assert(IsDock(ti->tile));
02440 TileIndex water_tile = ti->tile + TileOffsByDiagDir(GetDockDirection(ti->tile));
02441 WaterClass wc = GetWaterClass(water_tile);
02442 if (wc == WATER_CLASS_SEA) {
02443 DrawShoreTile(ti->tileh);
02444 } else {
02445 DrawClearLandTile(ti, 3);
02446 }
02447 }
02448 } else {
02449 SpriteID image = t->ground.sprite;
02450 PaletteID pal = t->ground.pal;
02451 if (rti != NULL && rti->UsesOverlay() && (image == SPR_RAIL_TRACK_X || image == SPR_RAIL_TRACK_Y)) {
02452 SpriteID ground = GetCustomRailSprite(rti, ti->tile, RTSG_GROUND);
02453 DrawGroundSprite(SPR_FLAT_GRASS_TILE, PAL_NONE);
02454 DrawGroundSprite(ground + (image == SPR_RAIL_TRACK_X ? RTO_X : RTO_Y), PAL_NONE);
02455
02456 if (_game_mode != GM_MENU && _settings_client.gui.show_track_reservation && HasStationReservation(ti->tile)) {
02457 SpriteID overlay = GetCustomRailSprite(rti, ti->tile, RTSG_OVERLAY);
02458 DrawGroundSprite(overlay + (image == SPR_RAIL_TRACK_X ? RTO_X : RTO_Y), PALETTE_CRASH);
02459 }
02460 } else {
02461 if (HasBit(image, SPRITE_MODIFIER_CUSTOM_SPRITE)) {
02462 image += GetCustomStationGroundRelocation(statspec, st, ti->tile);
02463 image += custom_ground_offset;
02464 } else {
02465 image += total_offset;
02466 }
02467 DrawGroundSprite(image, GroundSpritePaletteTransform(image, pal, palette));
02468
02469
02470 if (_game_mode != GM_MENU && _settings_client.gui.show_track_reservation && HasStationRail(ti->tile) && HasStationReservation(ti->tile)) {
02471 const RailtypeInfo *rti = GetRailTypeInfo(GetRailType(ti->tile));
02472 DrawGroundSprite(GetRailStationAxis(ti->tile) == AXIS_X ? rti->base_sprites.single_x : rti->base_sprites.single_y, PALETTE_CRASH);
02473 }
02474 }
02475 }
02476
02477 if (HasStationRail(ti->tile) && HasCatenaryDrawn(GetRailType(ti->tile)) && IsStationTileElectrifiable(ti->tile)) DrawCatenary(ti);
02478
02479 if (HasBit(roadtypes, ROADTYPE_TRAM)) {
02480 Axis axis = GetRoadStopDir(ti->tile) == DIAGDIR_NE ? AXIS_X : AXIS_Y;
02481 DrawGroundSprite((HasBit(roadtypes, ROADTYPE_ROAD) ? SPR_TRAMWAY_OVERLAY : SPR_TRAMWAY_TRAM) + (axis ^ 1), PAL_NONE);
02482 DrawTramCatenary(ti, axis == AXIS_X ? ROAD_X : ROAD_Y);
02483 }
02484
02485 if (IsRailWaypoint(ti->tile)) {
02486
02487 total_offset = 0;
02488 }
02489
02490 DrawRailTileSeq(ti, t, TO_BUILDINGS, total_offset, relocation, palette);
02491 }
02492
02493 void StationPickerDrawSprite(int x, int y, StationType st, RailType railtype, RoadType roadtype, int image)
02494 {
02495 int32 total_offset = 0;
02496 PaletteID pal = COMPANY_SPRITE_COLOUR(_local_company);
02497 const DrawTileSprites *t = &_station_display_datas[st][image];
02498 const RailtypeInfo *rti = NULL;
02499
02500 if (railtype != INVALID_RAILTYPE) {
02501 rti = GetRailTypeInfo(railtype);
02502 total_offset = rti->total_offset;
02503 }
02504
02505 SpriteID img = t->ground.sprite;
02506 if ((img == SPR_RAIL_TRACK_X || img == SPR_RAIL_TRACK_Y) && rti->UsesOverlay()) {
02507 SpriteID ground = GetCustomRailSprite(rti, INVALID_TILE, RTSG_GROUND);
02508 DrawSprite(SPR_FLAT_GRASS_TILE, PAL_NONE, x, y);
02509 DrawSprite(ground + (img == SPR_RAIL_TRACK_X ? RTO_X : RTO_Y), PAL_NONE, x, y);
02510 } else {
02511 DrawSprite(img + total_offset, HasBit(img, PALETTE_MODIFIER_COLOUR) ? pal : PAL_NONE, x, y);
02512 }
02513
02514 if (roadtype == ROADTYPE_TRAM) {
02515 DrawSprite(SPR_TRAMWAY_TRAM + (t->ground.sprite == SPR_ROAD_PAVED_STRAIGHT_X ? 1 : 0), PAL_NONE, x, y);
02516 }
02517
02518
02519 DrawRailTileSeqInGUI(x, y, t, st == STATION_WAYPOINT ? 0 : total_offset, 0, pal);
02520 }
02521
02522 static uint GetSlopeZ_Station(TileIndex tile, uint x, uint y)
02523 {
02524 return GetTileMaxZ(tile);
02525 }
02526
02527 static Foundation GetFoundation_Station(TileIndex tile, Slope tileh)
02528 {
02529 return FlatteningFoundation(tileh);
02530 }
02531
02532 static void GetTileDesc_Station(TileIndex tile, TileDesc *td)
02533 {
02534 td->owner[0] = GetTileOwner(tile);
02535 if (IsDriveThroughStopTile(tile)) {
02536 Owner road_owner = INVALID_OWNER;
02537 Owner tram_owner = INVALID_OWNER;
02538 RoadTypes rts = GetRoadTypes(tile);
02539 if (HasBit(rts, ROADTYPE_ROAD)) road_owner = GetRoadOwner(tile, ROADTYPE_ROAD);
02540 if (HasBit(rts, ROADTYPE_TRAM)) tram_owner = GetRoadOwner(tile, ROADTYPE_TRAM);
02541
02542
02543 if ((tram_owner != INVALID_OWNER && tram_owner != td->owner[0]) ||
02544 (road_owner != INVALID_OWNER && road_owner != td->owner[0])) {
02545 uint i = 1;
02546 if (road_owner != INVALID_OWNER) {
02547 td->owner_type[i] = STR_LAND_AREA_INFORMATION_ROAD_OWNER;
02548 td->owner[i] = road_owner;
02549 i++;
02550 }
02551 if (tram_owner != INVALID_OWNER) {
02552 td->owner_type[i] = STR_LAND_AREA_INFORMATION_TRAM_OWNER;
02553 td->owner[i] = tram_owner;
02554 }
02555 }
02556 }
02557 td->build_date = BaseStation::GetByTile(tile)->build_date;
02558
02559 if (HasStationTileRail(tile)) {
02560 const StationSpec *spec = GetStationSpec(tile);
02561
02562 if (spec != NULL) {
02563 td->station_class = GetStationClassName(spec->sclass);
02564 td->station_name = spec->name;
02565
02566 if (spec->grffile != NULL) {
02567 const GRFConfig *gc = GetGRFConfig(spec->grffile->grfid);
02568 td->grf = gc->name;
02569 }
02570 }
02571 }
02572
02573 StringID str;
02574 switch (GetStationType(tile)) {
02575 default: NOT_REACHED();
02576 case STATION_RAIL: str = STR_LAI_STATION_DESCRIPTION_RAILROAD_STATION; break;
02577 case STATION_AIRPORT:
02578 str = (IsHangar(tile) ? STR_LAI_STATION_DESCRIPTION_AIRCRAFT_HANGAR : STR_LAI_STATION_DESCRIPTION_AIRPORT);
02579 break;
02580 case STATION_TRUCK: str = STR_LAI_STATION_DESCRIPTION_TRUCK_LOADING_AREA; break;
02581 case STATION_BUS: str = STR_LAI_STATION_DESCRIPTION_BUS_STATION; break;
02582 case STATION_OILRIG: str = STR_INDUSTRY_NAME_OIL_RIG; break;
02583 case STATION_DOCK: str = STR_LAI_STATION_DESCRIPTION_SHIP_DOCK; break;
02584 case STATION_BUOY: str = STR_LAI_STATION_DESCRIPTION_BUOY; break;
02585 case STATION_WAYPOINT: str = STR_LAI_STATION_DESCRIPTION_WAYPOINT; break;
02586 }
02587 td->str = str;
02588 }
02589
02590
02591 static TrackStatus GetTileTrackStatus_Station(TileIndex tile, TransportType mode, uint sub_mode, DiagDirection side)
02592 {
02593 TrackBits trackbits = TRACK_BIT_NONE;
02594
02595 switch (mode) {
02596 case TRANSPORT_RAIL:
02597 if (HasStationRail(tile) && !IsStationTileBlocked(tile)) {
02598 trackbits = TrackToTrackBits(GetRailStationTrack(tile));
02599 }
02600 break;
02601
02602 case TRANSPORT_WATER:
02603
02604 if (IsBuoy(tile)) {
02605 trackbits = TRACK_BIT_ALL;
02606
02607 if (TileX(tile) == 0) trackbits &= ~(TRACK_BIT_X | TRACK_BIT_UPPER | TRACK_BIT_RIGHT);
02608
02609 if (TileY(tile) == 0) trackbits &= ~(TRACK_BIT_Y | TRACK_BIT_LEFT | TRACK_BIT_UPPER);
02610 }
02611 break;
02612
02613 case TRANSPORT_ROAD:
02614 if ((GetRoadTypes(tile) & sub_mode) != 0 && IsRoadStop(tile)) {
02615 DiagDirection dir = GetRoadStopDir(tile);
02616 Axis axis = DiagDirToAxis(dir);
02617
02618 if (side != INVALID_DIAGDIR) {
02619 if (axis != DiagDirToAxis(side) || (IsStandardRoadStopTile(tile) && dir != side)) break;
02620 }
02621
02622 trackbits = AxisToTrackBits(axis);
02623 }
02624 break;
02625
02626 default:
02627 break;
02628 }
02629
02630 return CombineTrackStatus(TrackBitsToTrackdirBits(trackbits), TRACKDIR_BIT_NONE);
02631 }
02632
02633
02634 static void TileLoop_Station(TileIndex tile)
02635 {
02636
02637
02638 switch (GetStationType(tile)) {
02639 case STATION_AIRPORT:
02640 if (AirportTileSpec::Get(GetStationGfx(tile))->animation_info != 0xFFFF) {
02641 AddAnimatedTile(tile);
02642 }
02643 break;
02644
02645 case STATION_DOCK:
02646 if (GetTileSlope(tile, NULL) != SLOPE_FLAT) break;
02647
02648 case STATION_OILRIG:
02649 case STATION_BUOY:
02650 TileLoop_Water(tile);
02651 break;
02652
02653 default: break;
02654 }
02655 }
02656
02657
02658 static void AnimateTile_Station(TileIndex tile)
02659 {
02660 if (HasStationRail(tile)) {
02661 AnimateStationTile(tile);
02662 return;
02663 }
02664
02665 if (IsAirport(tile)) {
02666 const AirportTileSpec *ats = AirportTileSpec::Get(GetStationGfx(tile));
02667 uint16 mask = (1 << ats->animation_speed) - 1;
02668 if (ats->animation_info != 0xFFFF && (_tick_counter & mask) == 0) {
02669 uint8 next_frame = GetStationAnimationFrame(tile) + 1;
02670 if (next_frame >= GB(ats->animation_info, 0, 8)) next_frame = 0;
02671 SetStationAnimationFrame(tile, next_frame);
02672 MarkTileDirtyByTile(tile);
02673 }
02674 }
02675 }
02676
02677
02678 static bool ClickTile_Station(TileIndex tile)
02679 {
02680 const BaseStation *st = BaseStation::GetByTile(tile);
02681
02682 if (st->facilities & FACIL_WAYPOINT) {
02683 ShowWaypointWindow(Waypoint::From(st));
02684 } else if (IsHangar(tile)) {
02685 ShowDepotWindow(tile, VEH_AIRCRAFT);
02686 } else {
02687 ShowStationViewWindow(st->index);
02688 }
02689 return true;
02690 }
02691
02692 static VehicleEnterTileStatus VehicleEnter_Station(Vehicle *v, TileIndex tile, int x, int y)
02693 {
02694 if (v->type == VEH_TRAIN) {
02695 StationID station_id = GetStationIndex(tile);
02696 if (!v->current_order.ShouldStopAtStation(v, station_id)) return VETSB_CONTINUE;
02697 if (!IsRailStation(tile) || !Train::From(v)->IsFrontEngine()) return VETSB_CONTINUE;
02698
02699 int station_ahead;
02700 int station_length;
02701 int stop = GetTrainStopLocation(station_id, tile, Train::From(v), &station_ahead, &station_length);
02702
02703
02704
02705
02706
02707 if (!IsInsideBS(stop + station_ahead, station_length, TILE_SIZE)) return VETSB_CONTINUE;
02708
02709 DiagDirection dir = DirToDiagDir(v->direction);
02710
02711 x &= 0xF;
02712 y &= 0xF;
02713
02714 if (DiagDirToAxis(dir) != AXIS_X) Swap(x, y);
02715 if (y == TILE_SIZE / 2) {
02716 if (dir != DIAGDIR_SE && dir != DIAGDIR_SW) x = TILE_SIZE - 1 - x;
02717 stop &= TILE_SIZE - 1;
02718
02719 if (x == stop) return VETSB_ENTERED_STATION | (VehicleEnterTileStatus)(station_id << VETS_STATION_ID_OFFSET);
02720 if (x < stop) {
02721 uint16 spd;
02722
02723 v->vehstatus |= VS_TRAIN_SLOWING;
02724 spd = max(0, (stop - x) * 20 - 15);
02725 if (spd < v->cur_speed) v->cur_speed = spd;
02726 }
02727 }
02728 } else if (v->type == VEH_ROAD) {
02729 RoadVehicle *rv = RoadVehicle::From(v);
02730 if (rv->state < RVSB_IN_ROAD_STOP && !IsReversingRoadTrackdir((Trackdir)rv->state) && rv->frame == 0) {
02731 if (IsRoadStop(tile) && rv->IsRoadVehFront()) {
02732
02733 return RoadStop::GetByTile(tile, GetRoadStopType(tile))->Enter(rv) ? VETSB_CONTINUE : VETSB_CANNOT_ENTER;
02734 }
02735 }
02736 }
02737
02738 return VETSB_CONTINUE;
02739 }
02740
02747 static bool StationHandleBigTick(BaseStation *st)
02748 {
02749 if (!st->IsInUse() && ++st->delete_ctr >= 8) {
02750 delete st;
02751 return false;
02752 }
02753
02754 if ((st->facilities & FACIL_WAYPOINT) == 0) UpdateStationAcceptance(Station::From(st), true);
02755
02756 return true;
02757 }
02758
02759 static inline void byte_inc_sat(byte *p)
02760 {
02761 byte b = *p + 1;
02762 if (b != 0) *p = b;
02763 }
02764
02765 static void UpdateStationRating(Station *st)
02766 {
02767 bool waiting_changed = false;
02768
02769 byte_inc_sat(&st->time_since_load);
02770 byte_inc_sat(&st->time_since_unload);
02771
02772 const CargoSpec *cs;
02773 FOR_ALL_CARGOSPECS(cs) {
02774 GoodsEntry *ge = &st->goods[cs->Index()];
02775
02776
02777
02778 if (!HasBit(ge->acceptance_pickup, GoodsEntry::PICKUP) && ge->rating < INITIAL_STATION_RATING) {
02779 ge->rating++;
02780 }
02781
02782
02783 if (HasBit(ge->acceptance_pickup, GoodsEntry::PICKUP)) {
02784 byte_inc_sat(&ge->days_since_pickup);
02785
02786 bool skip = false;
02787 int rating = 0;
02788 uint waiting = ge->cargo.Count();
02789
02790 if (HasBit(cs->callback_mask, CBM_CARGO_STATION_RATING_CALC)) {
02791
02792
02793
02794
02795 uint last_speed = ge->last_speed;
02796 if (last_speed == 0) last_speed = 0xFF;
02797
02798 uint32 var18 = min(ge->days_since_pickup, 0xFF) | (min(waiting, 0xFFFF) << 8) | (min(last_speed, 0xFF) << 24);
02799
02800 uint32 var10 = (st->last_vehicle_type == VEH_INVALID) ? 0x0 : (st->last_vehicle_type + 0x10);
02801 uint16 callback = GetCargoCallback(CBID_CARGO_STATION_RATING_CALC, var10, var18, cs);
02802 if (callback != CALLBACK_FAILED) {
02803 skip = true;
02804 rating = GB(callback, 0, 14);
02805
02806
02807 if (HasBit(callback, 14)) rating -= 0x4000;
02808 }
02809 }
02810
02811 if (!skip) {
02812 int b = ge->last_speed - 85;
02813 if (b >= 0) rating += b >> 2;
02814
02815 byte days = ge->days_since_pickup;
02816 if (st->last_vehicle_type == VEH_SHIP) days >>= 2;
02817 (days > 21) ||
02818 (rating += 25, days > 12) ||
02819 (rating += 25, days > 6) ||
02820 (rating += 45, days > 3) ||
02821 (rating += 35, true);
02822
02823 (rating -= 90, waiting > 1500) ||
02824 (rating += 55, waiting > 1000) ||
02825 (rating += 35, waiting > 600) ||
02826 (rating += 10, waiting > 300) ||
02827 (rating += 20, waiting > 100) ||
02828 (rating += 10, true);
02829 }
02830
02831 if (Company::IsValidID(st->owner) && HasBit(st->town->statues, st->owner)) rating += 26;
02832
02833 byte age = ge->last_age;
02834 (age >= 3) ||
02835 (rating += 10, age >= 2) ||
02836 (rating += 10, age >= 1) ||
02837 (rating += 13, true);
02838
02839 {
02840 int or_ = ge->rating;
02841
02842
02843 ge->rating = rating = or_ + Clamp(Clamp(rating, 0, 255) - or_, -2, 2);
02844
02845
02846
02847 if (rating <= 64 && waiting >= 200) {
02848 int dec = Random() & 0x1F;
02849 if (waiting < 400) dec &= 7;
02850 waiting -= dec + 1;
02851 waiting_changed = true;
02852 }
02853
02854
02855 if (rating <= 127 && waiting != 0) {
02856 uint32 r = Random();
02857 if (rating <= (int)GB(r, 0, 7)) {
02858
02859 waiting = max((int)waiting - (int)GB(r, 8, 2) - 1, 0);
02860 waiting_changed = true;
02861 }
02862 }
02863
02864
02865
02866
02867 static const uint WAITING_CARGO_THRESHOLD = 1 << 12;
02868 static const uint WAITING_CARGO_CUT_FACTOR = 1 << 6;
02869 static const uint MAX_WAITING_CARGO = 1 << 15;
02870
02871 if (waiting > WAITING_CARGO_THRESHOLD) {
02872 uint difference = waiting - WAITING_CARGO_THRESHOLD;
02873 waiting -= (difference / WAITING_CARGO_CUT_FACTOR);
02874
02875 waiting = min(waiting, MAX_WAITING_CARGO);
02876 waiting_changed = true;
02877 }
02878
02879 if (waiting_changed) ge->cargo.Truncate(waiting);
02880 }
02881 }
02882 }
02883
02884 StationID index = st->index;
02885 if (waiting_changed) {
02886 SetWindowDirty(WC_STATION_VIEW, index);
02887 } else {
02888 SetWindowWidgetDirty(WC_STATION_VIEW, index, SVW_RATINGLIST);
02889 }
02890 }
02891
02892
02893 static void StationHandleSmallTick(BaseStation *st)
02894 {
02895 if ((st->facilities & FACIL_WAYPOINT) != 0 || !st->IsInUse()) return;
02896
02897 byte b = st->delete_ctr + 1;
02898 if (b >= 185) b = 0;
02899 st->delete_ctr = b;
02900
02901 if (b == 0) UpdateStationRating(Station::From(st));
02902 }
02903
02904 void OnTick_Station()
02905 {
02906 if (_game_mode == GM_EDITOR) return;
02907
02908 BaseStation *st;
02909 FOR_ALL_BASE_STATIONS(st) {
02910 StationHandleSmallTick(st);
02911
02912
02913
02914
02915 if ((_tick_counter + st->index) % 250 == 0) {
02916
02917 if (!StationHandleBigTick(st)) continue;
02918 StationAnimationTrigger(st, st->xy, STAT_ANIM_250_TICKS);
02919 }
02920 }
02921 }
02922
02923 void StationMonthlyLoop()
02924 {
02925
02926 }
02927
02928
02929 void ModifyStationRatingAround(TileIndex tile, Owner owner, int amount, uint radius)
02930 {
02931 Station *st;
02932
02933 FOR_ALL_STATIONS(st) {
02934 if (st->owner == owner &&
02935 DistanceManhattan(tile, st->xy) <= radius) {
02936 for (CargoID i = 0; i < NUM_CARGO; i++) {
02937 GoodsEntry *ge = &st->goods[i];
02938
02939 if (ge->acceptance_pickup != 0) {
02940 ge->rating = Clamp(ge->rating + amount, 0, 255);
02941 }
02942 }
02943 }
02944 }
02945 }
02946
02947 static void UpdateStationWaiting(Station *st, CargoID type, uint amount, SourceType source_type, SourceID source_id)
02948 {
02949 st->goods[type].cargo.Append(new CargoPacket(st->index, st->xy, amount, source_type, source_id));
02950 SetBit(st->goods[type].acceptance_pickup, GoodsEntry::PICKUP);
02951
02952 StationAnimationTrigger(st, st->xy, STAT_ANIM_NEW_CARGO, type);
02953
02954 SetWindowDirty(WC_STATION_VIEW, st->index);
02955 st->MarkTilesDirty(true);
02956 }
02957
02958 static bool IsUniqueStationName(const char *name)
02959 {
02960 const Station *st;
02961
02962 FOR_ALL_STATIONS(st) {
02963 if (st->name != NULL && strcmp(st->name, name) == 0) return false;
02964 }
02965
02966 return true;
02967 }
02968
02977 CommandCost CmdRenameStation(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
02978 {
02979 Station *st = Station::GetIfValid(p1);
02980 if (st == NULL || !CheckOwnership(st->owner)) return CMD_ERROR;
02981
02982 bool reset = StrEmpty(text);
02983
02984 if (!reset) {
02985 if (strlen(text) >= MAX_LENGTH_STATION_NAME_BYTES) return CMD_ERROR;
02986 if (!IsUniqueStationName(text)) return_cmd_error(STR_ERROR_NAME_MUST_BE_UNIQUE);
02987 }
02988
02989 if (flags & DC_EXEC) {
02990 free(st->name);
02991 st->name = reset ? NULL : strdup(text);
02992
02993 st->UpdateVirtCoord();
02994 InvalidateWindowData(WC_STATION_LIST, st->owner, 1);
02995 }
02996
02997 return CommandCost();
02998 }
02999
03006 void FindStationsAroundTiles(const TileArea &location, StationList *stations)
03007 {
03008
03009 int max_rad = (_settings_game.station.modified_catchment ? MAX_CATCHMENT : CA_UNMODIFIED);
03010
03011 for (int dy = -max_rad; dy < location.h + max_rad; dy++) {
03012 for (int dx = -max_rad; dx < location.w + max_rad; dx++) {
03013 TileIndex cur_tile = TileAddWrap(location.tile, dx, dy);
03014 if (cur_tile == INVALID_TILE || !IsTileType(cur_tile, MP_STATION)) continue;
03015
03016 Station *st = Station::GetByTile(cur_tile);
03017 if (st == NULL) continue;
03018
03019 if (_settings_game.station.modified_catchment) {
03020 int rad = st->GetCatchmentRadius();
03021 if (dx < -rad || dx >= rad + location.w || dy < -rad || dy >= rad + location.h) continue;
03022 }
03023
03024
03025
03026
03027 stations->Include(st);
03028 }
03029 }
03030 }
03031
03036 const StationList *StationFinder::GetStations()
03037 {
03038 if (this->tile != INVALID_TILE) {
03039 FindStationsAroundTiles(*this, &this->stations);
03040 this->tile = INVALID_TILE;
03041 }
03042 return &this->stations;
03043 }
03044
03045 uint MoveGoodsToStation(CargoID type, uint amount, SourceType source_type, SourceID source_id, const StationList *all_stations)
03046 {
03047
03048 if (amount == 0) return 0;
03049
03050 Station *st1 = NULL;
03051 Station *st2 = NULL;
03052 uint best_rating1 = 0;
03053 uint best_rating2 = 0;
03054
03055 for (Station * const *st_iter = all_stations->Begin(); st_iter != all_stations->End(); ++st_iter) {
03056 Station *st = *st_iter;
03057
03058
03059 if (st->town->exclusive_counter > 0 && st->town->exclusivity != st->owner) continue;
03060
03061 if (st->goods[type].rating == 0) continue;
03062
03063 if (_settings_game.order.selectgoods && st->goods[type].last_speed == 0) continue;
03064
03065 if (IsCargoInClass(type, CC_PASSENGERS)) {
03066 if (st->facilities == FACIL_TRUCK_STOP) continue;
03067 } else {
03068 if (st->facilities == FACIL_BUS_STOP) continue;
03069 }
03070
03071
03072 if (st1 == NULL || st->goods[type].rating >= best_rating1) {
03073 st2 = st1; best_rating2 = best_rating1; st1 = st; best_rating1 = st->goods[type].rating;
03074 } else if (st2 == NULL || st->goods[type].rating >= best_rating2) {
03075 st2 = st; best_rating2 = st->goods[type].rating;
03076 }
03077 }
03078
03079
03080 if (st1 == NULL) return 0;
03081
03082 if (st2 == NULL) {
03083
03084 uint moved = amount * best_rating1 / 256 + 1;
03085 UpdateStationWaiting(st1, type, moved, source_type, source_id);
03086 return moved;
03087 }
03088
03089
03090 assert(st1 != NULL);
03091 assert(st2 != NULL);
03092 assert(best_rating1 != 0 || best_rating2 != 0);
03093
03094
03095 best_rating2 >>= 1;
03096
03097
03098 uint t = (best_rating1 * (amount + 1)) / (best_rating1 + best_rating2);
03099
03100 uint moved = 0;
03101 if (t != 0) {
03102 moved = t * best_rating1 / 256 + 1;
03103 amount -= t;
03104 UpdateStationWaiting(st1, type, moved, source_type, source_id);
03105 }
03106
03107 if (amount != 0) {
03108 amount = amount * best_rating2 / 256 + 1;
03109 moved += amount;
03110 UpdateStationWaiting(st2, type, amount, source_type, source_id);
03111 }
03112
03113 return moved;
03114 }
03115
03116 void BuildOilRig(TileIndex tile)
03117 {
03118 if (!Station::CanAllocateItem()) {
03119 DEBUG(misc, 0, "Can't allocate station for oilrig at 0x%X, reverting to oilrig only", tile);
03120 return;
03121 }
03122
03123 Station *st = new Station(tile);
03124 st->town = ClosestTownFromTile(tile, UINT_MAX);
03125
03126 st->string_id = GenerateStationName(st, tile, STATIONNAMING_OILRIG);
03127
03128 assert(IsTileType(tile, MP_INDUSTRY));
03129 DeleteAnimatedTile(tile);
03130 MakeOilrig(tile, st->index, GetWaterClass(tile));
03131
03132 st->owner = OWNER_NONE;
03133 st->airport_type = AT_OILRIG;
03134 st->airport_tile = tile;
03135 st->dock_tile = tile;
03136 st->facilities = FACIL_AIRPORT | FACIL_DOCK;
03137 st->build_date = _date;
03138
03139 st->rect.BeforeAddTile(tile, StationRect::ADD_FORCE);
03140
03141 for (CargoID j = 0; j < NUM_CARGO; j++) {
03142 st->goods[j].acceptance_pickup = 0;
03143 st->goods[j].days_since_pickup = 255;
03144 st->goods[j].rating = INITIAL_STATION_RATING;
03145 st->goods[j].last_speed = 0;
03146 st->goods[j].last_age = 255;
03147 }
03148
03149 st->UpdateVirtCoord();
03150 UpdateStationAcceptance(st, false);
03151 st->RecomputeIndustriesNear();
03152 }
03153
03154 void DeleteOilRig(TileIndex tile)
03155 {
03156 Station *st = Station::GetByTile(tile);
03157
03158 MakeWaterKeepingClass(tile, OWNER_NONE);
03159 MarkTileDirtyByTile(tile);
03160
03161 st->dock_tile = INVALID_TILE;
03162 st->airport_tile = INVALID_TILE;
03163 st->facilities &= ~(FACIL_AIRPORT | FACIL_DOCK);
03164 st->airport_flags = 0;
03165
03166 st->rect.AfterRemoveTile(st, tile);
03167
03168 st->UpdateVirtCoord();
03169 st->RecomputeIndustriesNear();
03170 if (!st->IsInUse()) delete st;
03171 }
03172
03173 static void ChangeTileOwner_Station(TileIndex tile, Owner old_owner, Owner new_owner)
03174 {
03175 if (IsDriveThroughStopTile(tile)) {
03176 for (RoadType rt = ROADTYPE_ROAD; rt < ROADTYPE_END; rt++) {
03177
03178 if (GetRoadOwner(tile, rt) == old_owner) {
03179 SetRoadOwner(tile, rt, new_owner == INVALID_OWNER ? OWNER_NONE : new_owner);
03180 }
03181 }
03182 }
03183
03184 if (!IsTileOwner(tile, old_owner)) return;
03185
03186 if (new_owner != INVALID_OWNER) {
03187
03188 SetTileOwner(tile, new_owner);
03189 InvalidateWindowClassesData(WC_STATION_LIST, 0);
03190 } else {
03191 if (IsDriveThroughStopTile(tile)) {
03192
03193 DoCommand(tile, 0, (GetStationType(tile) == STATION_TRUCK) ? ROADSTOP_TRUCK : ROADSTOP_BUS, DC_EXEC | DC_BANKRUPT, CMD_REMOVE_ROAD_STOP);
03194 assert(IsTileType(tile, MP_ROAD));
03195
03196 ChangeTileOwner(tile, old_owner, new_owner);
03197 } else {
03198 DoCommand(tile, 0, 0, DC_EXEC | DC_BANKRUPT, CMD_LANDSCAPE_CLEAR);
03199
03200
03201
03202 if ((IsTileType(tile, MP_WATER) || IsBuoyTile(tile)) && IsTileOwner(tile, old_owner)) SetTileOwner(tile, OWNER_NONE);
03203 }
03204 }
03205 }
03206
03215 static bool CanRemoveRoadWithStop(TileIndex tile, DoCommandFlag flags)
03216 {
03217
03218 if (_current_company == OWNER_WATER) return true;
03219
03220 Owner road_owner = _current_company;
03221 Owner tram_owner = _current_company;
03222
03223 RoadTypes rts = GetRoadTypes(tile);
03224 if (HasBit(rts, ROADTYPE_ROAD)) road_owner = GetRoadOwner(tile, ROADTYPE_ROAD);
03225 if (HasBit(rts, ROADTYPE_TRAM)) tram_owner = GetRoadOwner(tile, ROADTYPE_TRAM);
03226
03227 if ((road_owner != OWNER_TOWN && !CheckOwnership(road_owner)) || !CheckOwnership(tram_owner)) return false;
03228
03229 return road_owner != OWNER_TOWN || CheckAllowRemoveRoad(tile, GetAnyRoadBits(tile, ROADTYPE_ROAD), OWNER_TOWN, ROADTYPE_ROAD, flags);
03230 }
03231
03232 CommandCost ClearTile_Station(TileIndex tile, DoCommandFlag flags)
03233 {
03234 if (flags & DC_AUTO) {
03235 switch (GetStationType(tile)) {
03236 default: break;
03237 case STATION_RAIL: return_cmd_error(STR_ERROR_MUST_DEMOLISH_RAILROAD);
03238 case STATION_WAYPOINT: return_cmd_error(STR_ERROR_BUILDING_MUST_BE_DEMOLISHED);
03239 case STATION_AIRPORT: return_cmd_error(STR_ERROR_MUST_DEMOLISH_AIRPORT_FIRST);
03240 case STATION_TRUCK: return_cmd_error(HasTileRoadType(tile, ROADTYPE_TRAM) ? STR_ERROR_MUST_DEMOLISH_CARGO_TRAM_STATION_FIRST : STR_ERROR_MUST_DEMOLISH_TRUCK_STATION_FIRST);
03241 case STATION_BUS: return_cmd_error(HasTileRoadType(tile, ROADTYPE_TRAM) ? STR_ERROR_MUST_DEMOLISH_PASSENGER_TRAM_STATION_FIRST : STR_ERROR_MUST_DEMOLISH_BUS_STATION_FIRST);
03242 case STATION_BUOY: return_cmd_error(STR_ERROR_BUOY_IN_THE_WAY);
03243 case STATION_DOCK: return_cmd_error(STR_ERROR_MUST_DEMOLISH_DOCK_FIRST);
03244 case STATION_OILRIG:
03245 SetDParam(1, STR_INDUSTRY_NAME_OIL_RIG);
03246 return_cmd_error(STR_ERROR_UNMOVABLE_OBJECT_IN_THE_WAY);
03247 }
03248 }
03249
03250 switch (GetStationType(tile)) {
03251 case STATION_RAIL: return RemoveRailStation(tile, flags);
03252 case STATION_WAYPOINT: return RemoveRailWaypoint(tile, flags);
03253 case STATION_AIRPORT: return RemoveAirport(tile, flags);
03254 case STATION_TRUCK:
03255 if (IsDriveThroughStopTile(tile) && !CanRemoveRoadWithStop(tile, flags))
03256 return_cmd_error(STR_ERROR_MUST_DEMOLISH_TRUCK_STATION_FIRST);
03257 return RemoveRoadStop(tile, flags);
03258 case STATION_BUS:
03259 if (IsDriveThroughStopTile(tile) && !CanRemoveRoadWithStop(tile, flags))
03260 return_cmd_error(STR_ERROR_MUST_DEMOLISH_BUS_STATION_FIRST);
03261 return RemoveRoadStop(tile, flags);
03262 case STATION_BUOY: return RemoveBuoy(tile, flags);
03263 case STATION_DOCK: return RemoveDock(tile, flags);
03264 default: break;
03265 }
03266
03267 return CMD_ERROR;
03268 }
03269
03270 static CommandCost TerraformTile_Station(TileIndex tile, DoCommandFlag flags, uint z_new, Slope tileh_new)
03271 {
03272 if (_settings_game.construction.build_on_slopes && AutoslopeEnabled()) {
03273
03274
03275
03276 if (!IsSteepSlope(tileh_new) && (GetTileMaxZ(tile) == z_new + GetSlopeMaxZ(tileh_new))) {
03277 switch (GetStationType(tile)) {
03278 case STATION_WAYPOINT:
03279 case STATION_RAIL: {
03280 DiagDirection direction = AxisToDiagDir(GetRailStationAxis(tile));
03281 if (!AutoslopeCheckForEntranceEdge(tile, z_new, tileh_new, direction)) break;
03282 if (!AutoslopeCheckForEntranceEdge(tile, z_new, tileh_new, ReverseDiagDir(direction))) break;
03283 return CommandCost(EXPENSES_CONSTRUCTION, _price[PR_BUILD_FOUNDATION]);
03284 }
03285
03286 case STATION_AIRPORT:
03287 return CommandCost(EXPENSES_CONSTRUCTION, _price[PR_BUILD_FOUNDATION]);
03288
03289 case STATION_TRUCK:
03290 case STATION_BUS: {
03291 DiagDirection direction = GetRoadStopDir(tile);
03292 if (!AutoslopeCheckForEntranceEdge(tile, z_new, tileh_new, direction)) break;
03293 if (IsDriveThroughStopTile(tile)) {
03294 if (!AutoslopeCheckForEntranceEdge(tile, z_new, tileh_new, ReverseDiagDir(direction))) break;
03295 }
03296 return CommandCost(EXPENSES_CONSTRUCTION, _price[PR_BUILD_FOUNDATION]);
03297 }
03298
03299 default: break;
03300 }
03301 }
03302 }
03303 return DoCommand(tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR);
03304 }
03305
03306
03307 extern const TileTypeProcs _tile_type_station_procs = {
03308 DrawTile_Station,
03309 GetSlopeZ_Station,
03310 ClearTile_Station,
03311 NULL,
03312 GetTileDesc_Station,
03313 GetTileTrackStatus_Station,
03314 ClickTile_Station,
03315 AnimateTile_Station,
03316 TileLoop_Station,
03317 ChangeTileOwner_Station,
03318 NULL,
03319 VehicleEnter_Station,
03320 GetFoundation_Station,
03321 TerraformTile_Station,
03322 };