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00012 #include "stdafx.h"
00013 #include "aircraft.h"
00014 #include "bridge_map.h"
00015 #include "cmd_helper.h"
00016 #include "viewport_func.h"
00017 #include "command_func.h"
00018 #include "town.h"
00019 #include "news_func.h"
00020 #include "train.h"
00021 #include "ship.h"
00022 #include "roadveh.h"
00023 #include "industry.h"
00024 #include "newgrf_cargo.h"
00025 #include "newgrf_debug.h"
00026 #include "newgrf_station.h"
00027 #include "newgrf_canal.h"
00028 #include "pathfinder/yapf/yapf_cache.h"
00029 #include "road_internal.h"
00030 #include "autoslope.h"
00031 #include "water.h"
00032 #include "strings_func.h"
00033 #include "clear_func.h"
00034 #include "date_func.h"
00035 #include "vehicle_func.h"
00036 #include "string_func.h"
00037 #include "animated_tile_func.h"
00038 #include "elrail_func.h"
00039 #include "station_base.h"
00040 #include "roadstop_base.h"
00041 #include "newgrf_railtype.h"
00042 #include "waypoint_base.h"
00043 #include "waypoint_func.h"
00044 #include "pbs.h"
00045 #include "debug.h"
00046 #include "core/random_func.hpp"
00047 #include "company_base.h"
00048 #include "table/airporttile_ids.h"
00049 #include "newgrf_airporttiles.h"
00050 #include "order_backup.h"
00051 #include "newgrf_house.h"
00052 #include "company_gui.h"
00053 #include "linkgraph/linkgraph_base.h"
00054 #include "widgets/station_widget.h"
00055
00056 #include "table/strings.h"
00057
00064 bool IsHangar(TileIndex t)
00065 {
00066 assert(IsTileType(t, MP_STATION));
00067
00068
00069 if (!IsAirport(t)) return false;
00070
00071 const Station *st = Station::GetByTile(t);
00072 const AirportSpec *as = st->airport.GetSpec();
00073
00074 for (uint i = 0; i < as->nof_depots; i++) {
00075 if (st->airport.GetHangarTile(i) == t) return true;
00076 }
00077
00078 return false;
00079 }
00080
00088 template <class T>
00089 CommandCost GetStationAround(TileArea ta, StationID closest_station, T **st)
00090 {
00091 ta.tile -= TileDiffXY(1, 1);
00092 ta.w += 2;
00093 ta.h += 2;
00094
00095
00096 TILE_AREA_LOOP(tile_cur, ta) {
00097 if (IsTileType(tile_cur, MP_STATION)) {
00098 StationID t = GetStationIndex(tile_cur);
00099 if (!T::IsValidID(t)) continue;
00100
00101 if (closest_station == INVALID_STATION) {
00102 closest_station = t;
00103 } else if (closest_station != t) {
00104 return_cmd_error(STR_ERROR_ADJOINS_MORE_THAN_ONE_EXISTING);
00105 }
00106 }
00107 }
00108 *st = (closest_station == INVALID_STATION) ? NULL : T::Get(closest_station);
00109 return CommandCost();
00110 }
00111
00117 typedef bool (*CMSAMatcher)(TileIndex tile);
00118
00125 static int CountMapSquareAround(TileIndex tile, CMSAMatcher cmp)
00126 {
00127 int num = 0;
00128
00129 for (int dx = -3; dx <= 3; dx++) {
00130 for (int dy = -3; dy <= 3; dy++) {
00131 TileIndex t = TileAddWrap(tile, dx, dy);
00132 if (t != INVALID_TILE && cmp(t)) num++;
00133 }
00134 }
00135
00136 return num;
00137 }
00138
00144 static bool CMSAMine(TileIndex tile)
00145 {
00146
00147 if (!IsTileType(tile, MP_INDUSTRY)) return false;
00148
00149 const Industry *ind = Industry::GetByTile(tile);
00150
00151
00152 if ((GetIndustrySpec(ind->type)->life_type & INDUSTRYLIFE_EXTRACTIVE) == 0) return false;
00153
00154 for (uint i = 0; i < lengthof(ind->produced_cargo); i++) {
00155
00156
00157 if (ind->produced_cargo[i] != CT_INVALID &&
00158 (CargoSpec::Get(ind->produced_cargo[i])->classes & (CC_LIQUID | CC_PASSENGERS | CC_MAIL)) == 0) {
00159 return true;
00160 }
00161 }
00162
00163 return false;
00164 }
00165
00171 static bool CMSAWater(TileIndex tile)
00172 {
00173 return IsTileType(tile, MP_WATER) && IsWater(tile);
00174 }
00175
00181 static bool CMSATree(TileIndex tile)
00182 {
00183 return IsTileType(tile, MP_TREES);
00184 }
00185
00186 #define M(x) ((x) - STR_SV_STNAME)
00187
00188 enum StationNaming {
00189 STATIONNAMING_RAIL,
00190 STATIONNAMING_ROAD,
00191 STATIONNAMING_AIRPORT,
00192 STATIONNAMING_OILRIG,
00193 STATIONNAMING_DOCK,
00194 STATIONNAMING_HELIPORT,
00195 };
00196
00198 struct StationNameInformation {
00199 uint32 free_names;
00200 bool *indtypes;
00201 };
00202
00211 static bool FindNearIndustryName(TileIndex tile, void *user_data)
00212 {
00213
00214 StationNameInformation *sni = (StationNameInformation*)user_data;
00215 if (!IsTileType(tile, MP_INDUSTRY)) return false;
00216
00217
00218 IndustryType indtype = GetIndustryType(tile);
00219 if (GetIndustrySpec(indtype)->station_name == STR_UNDEFINED) return false;
00220
00221
00222
00223 sni->free_names &= ~(1 << M(STR_SV_STNAME_OILFIELD) | 1 << M(STR_SV_STNAME_MINES));
00224 return !sni->indtypes[indtype];
00225 }
00226
00227 static StringID GenerateStationName(Station *st, TileIndex tile, StationNaming name_class)
00228 {
00229 static const uint32 _gen_station_name_bits[] = {
00230 0,
00231 0,
00232 1U << M(STR_SV_STNAME_AIRPORT),
00233 1U << M(STR_SV_STNAME_OILFIELD),
00234 1U << M(STR_SV_STNAME_DOCKS),
00235 1U << M(STR_SV_STNAME_HELIPORT),
00236 };
00237
00238 const Town *t = st->town;
00239 uint32 free_names = UINT32_MAX;
00240
00241 bool indtypes[NUM_INDUSTRYTYPES];
00242 memset(indtypes, 0, sizeof(indtypes));
00243
00244 const Station *s;
00245 FOR_ALL_STATIONS(s) {
00246 if (s != st && s->town == t) {
00247 if (s->indtype != IT_INVALID) {
00248 indtypes[s->indtype] = true;
00249 continue;
00250 }
00251 uint str = M(s->string_id);
00252 if (str <= 0x20) {
00253 if (str == M(STR_SV_STNAME_FOREST)) {
00254 str = M(STR_SV_STNAME_WOODS);
00255 }
00256 ClrBit(free_names, str);
00257 }
00258 }
00259 }
00260
00261 TileIndex indtile = tile;
00262 StationNameInformation sni = { free_names, indtypes };
00263 if (CircularTileSearch(&indtile, 7, FindNearIndustryName, &sni)) {
00264
00265 IndustryType indtype = GetIndustryType(indtile);
00266 const IndustrySpec *indsp = GetIndustrySpec(indtype);
00267
00268 if (indsp->station_name != STR_NULL) {
00269 st->indtype = indtype;
00270 return STR_SV_STNAME_FALLBACK;
00271 }
00272 }
00273
00274
00275 free_names = sni.free_names;
00276
00277
00278 uint32 tmp = free_names & _gen_station_name_bits[name_class];
00279 if (tmp != 0) return STR_SV_STNAME + FindFirstBit(tmp);
00280
00281
00282 if (HasBit(free_names, M(STR_SV_STNAME_MINES))) {
00283 if (CountMapSquareAround(tile, CMSAMine) >= 2) {
00284 return STR_SV_STNAME_MINES;
00285 }
00286 }
00287
00288
00289 if (DistanceMax(tile, t->xy) < 8) {
00290 if (HasBit(free_names, M(STR_SV_STNAME))) return STR_SV_STNAME;
00291
00292 if (HasBit(free_names, M(STR_SV_STNAME_CENTRAL))) return STR_SV_STNAME_CENTRAL;
00293 }
00294
00295
00296 if (HasBit(free_names, M(STR_SV_STNAME_LAKESIDE)) &&
00297 DistanceFromEdge(tile) < 20 &&
00298 CountMapSquareAround(tile, CMSAWater) >= 5) {
00299 return STR_SV_STNAME_LAKESIDE;
00300 }
00301
00302
00303 if (HasBit(free_names, M(STR_SV_STNAME_WOODS)) && (
00304 CountMapSquareAround(tile, CMSATree) >= 8 ||
00305 CountMapSquareAround(tile, IsTileForestIndustry) >= 2)
00306 ) {
00307 return _settings_game.game_creation.landscape == LT_TROPIC ? STR_SV_STNAME_FOREST : STR_SV_STNAME_WOODS;
00308 }
00309
00310
00311 int z = GetTileZ(tile);
00312 int z2 = GetTileZ(t->xy);
00313 if (z < z2) {
00314 if (HasBit(free_names, M(STR_SV_STNAME_VALLEY))) return STR_SV_STNAME_VALLEY;
00315 } else if (z > z2) {
00316 if (HasBit(free_names, M(STR_SV_STNAME_HEIGHTS))) return STR_SV_STNAME_HEIGHTS;
00317 }
00318
00319
00320 static const int8 _direction_and_table[] = {
00321 ~( (1 << M(STR_SV_STNAME_WEST)) | (1 << M(STR_SV_STNAME_EAST)) | (1 << M(STR_SV_STNAME_NORTH)) ),
00322 ~( (1 << M(STR_SV_STNAME_SOUTH)) | (1 << M(STR_SV_STNAME_WEST)) | (1 << M(STR_SV_STNAME_NORTH)) ),
00323 ~( (1 << M(STR_SV_STNAME_SOUTH)) | (1 << M(STR_SV_STNAME_EAST)) | (1 << M(STR_SV_STNAME_NORTH)) ),
00324 ~( (1 << M(STR_SV_STNAME_SOUTH)) | (1 << M(STR_SV_STNAME_WEST)) | (1 << M(STR_SV_STNAME_EAST)) ),
00325 };
00326
00327 free_names &= _direction_and_table[
00328 (TileX(tile) < TileX(t->xy)) +
00329 (TileY(tile) < TileY(t->xy)) * 2];
00330
00331 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));
00332 return (tmp == 0) ? STR_SV_STNAME_FALLBACK : (STR_SV_STNAME + FindFirstBit(tmp));
00333 }
00334 #undef M
00335
00341 static Station *GetClosestDeletedStation(TileIndex tile)
00342 {
00343 uint threshold = 8;
00344 Station *best_station = NULL;
00345 Station *st;
00346
00347 FOR_ALL_STATIONS(st) {
00348 if (!st->IsInUse() && st->owner == _current_company) {
00349 uint cur_dist = DistanceManhattan(tile, st->xy);
00350
00351 if (cur_dist < threshold) {
00352 threshold = cur_dist;
00353 best_station = st;
00354 }
00355 }
00356 }
00357
00358 return best_station;
00359 }
00360
00361
00362 void Station::GetTileArea(TileArea *ta, StationType type) const
00363 {
00364 switch (type) {
00365 case STATION_RAIL:
00366 *ta = this->train_station;
00367 return;
00368
00369 case STATION_AIRPORT:
00370 *ta = this->airport;
00371 return;
00372
00373 case STATION_TRUCK:
00374 *ta = this->truck_station;
00375 return;
00376
00377 case STATION_BUS:
00378 *ta = this->bus_station;
00379 return;
00380
00381 case STATION_DOCK:
00382 case STATION_OILRIG:
00383 ta->tile = this->dock_tile;
00384 break;
00385
00386 default: NOT_REACHED();
00387 }
00388
00389 ta->w = 1;
00390 ta->h = 1;
00391 }
00392
00396 void Station::UpdateVirtCoord()
00397 {
00398 Point pt = RemapCoords2(TileX(this->xy) * TILE_SIZE, TileY(this->xy) * TILE_SIZE);
00399
00400 pt.y -= 32 * ZOOM_LVL_BASE;
00401 if ((this->facilities & FACIL_AIRPORT) && this->airport.type == AT_OILRIG) pt.y -= 16 * ZOOM_LVL_BASE;
00402
00403 SetDParam(0, this->index);
00404 SetDParam(1, this->facilities);
00405 this->sign.UpdatePosition(pt.x, pt.y, STR_VIEWPORT_STATION);
00406
00407 SetWindowDirty(WC_STATION_VIEW, this->index);
00408 }
00409
00411 void UpdateAllStationVirtCoords()
00412 {
00413 BaseStation *st;
00414
00415 FOR_ALL_BASE_STATIONS(st) {
00416 st->UpdateVirtCoord();
00417 }
00418 }
00419
00425 static uint GetAcceptanceMask(const Station *st)
00426 {
00427 uint mask = 0;
00428
00429 for (CargoID i = 0; i < NUM_CARGO; i++) {
00430 if (HasBit(st->goods[i].acceptance_pickup, GoodsEntry::GES_ACCEPTANCE)) mask |= 1 << i;
00431 }
00432 return mask;
00433 }
00434
00439 static void ShowRejectOrAcceptNews(const Station *st, uint num_items, CargoID *cargo, StringID msg)
00440 {
00441 for (uint i = 0; i < num_items; i++) {
00442 SetDParam(i + 1, CargoSpec::Get(cargo[i])->name);
00443 }
00444
00445 SetDParam(0, st->index);
00446 AddNewsItem(msg, NT_ACCEPTANCE, NF_INCOLOUR | NF_SMALL, NR_STATION, st->index);
00447 }
00448
00456 CargoArray GetProductionAroundTiles(TileIndex tile, int w, int h, int rad)
00457 {
00458 CargoArray produced;
00459
00460 int x = TileX(tile);
00461 int y = TileY(tile);
00462
00463
00464
00465 int x2 = min(x + w + rad, MapSizeX());
00466 int x1 = max(x - rad, 0);
00467
00468 int y2 = min(y + h + rad, MapSizeY());
00469 int y1 = max(y - rad, 0);
00470
00471 assert(x1 < x2);
00472 assert(y1 < y2);
00473 assert(w > 0);
00474 assert(h > 0);
00475
00476 TileArea ta(TileXY(x1, y1), TileXY(x2 - 1, y2 - 1));
00477
00478
00479
00480 TILE_AREA_LOOP(tile, ta) AddProducedCargo(tile, produced);
00481
00482
00483
00484
00485
00486
00487
00488 const Industry *i;
00489 FOR_ALL_INDUSTRIES(i) {
00490 if (!ta.Intersects(i->location)) continue;
00491
00492 for (uint j = 0; j < lengthof(i->produced_cargo); j++) {
00493 CargoID cargo = i->produced_cargo[j];
00494 if (cargo != CT_INVALID) produced[cargo]++;
00495 }
00496 }
00497
00498 return produced;
00499 }
00500
00509 CargoArray GetAcceptanceAroundTiles(TileIndex tile, int w, int h, int rad, uint32 *always_accepted)
00510 {
00511 CargoArray acceptance;
00512 if (always_accepted != NULL) *always_accepted = 0;
00513
00514 int x = TileX(tile);
00515 int y = TileY(tile);
00516
00517
00518
00519 int x2 = min(x + w + rad, MapSizeX());
00520 int y2 = min(y + h + rad, MapSizeY());
00521 int x1 = max(x - rad, 0);
00522 int y1 = max(y - rad, 0);
00523
00524 assert(x1 < x2);
00525 assert(y1 < y2);
00526 assert(w > 0);
00527 assert(h > 0);
00528
00529 for (int yc = y1; yc != y2; yc++) {
00530 for (int xc = x1; xc != x2; xc++) {
00531 TileIndex tile = TileXY(xc, yc);
00532 AddAcceptedCargo(tile, acceptance, always_accepted);
00533 }
00534 }
00535
00536 return acceptance;
00537 }
00538
00544 void UpdateStationAcceptance(Station *st, bool show_msg)
00545 {
00546
00547 uint old_acc = GetAcceptanceMask(st);
00548
00549
00550 CargoArray acceptance;
00551 if (!st->rect.IsEmpty()) {
00552 acceptance = GetAcceptanceAroundTiles(
00553 TileXY(st->rect.left, st->rect.top),
00554 st->rect.right - st->rect.left + 1,
00555 st->rect.bottom - st->rect.top + 1,
00556 st->GetCatchmentRadius(),
00557 &st->always_accepted
00558 );
00559 }
00560
00561
00562 for (CargoID i = 0; i < NUM_CARGO; i++) {
00563 uint amt = acceptance[i];
00564
00565
00566 bool is_passengers = IsCargoInClass(i, CC_PASSENGERS);
00567 if ((!is_passengers && !(st->facilities & ~FACIL_BUS_STOP)) ||
00568 (is_passengers && !(st->facilities & ~FACIL_TRUCK_STOP))) {
00569 amt = 0;
00570 }
00571
00572 GoodsEntry &ge = st->goods[i];
00573 SB(ge.acceptance_pickup, GoodsEntry::GES_ACCEPTANCE, 1, amt >= 8);
00574 if (LinkGraph::IsValidID(ge.link_graph)) {
00575 (*LinkGraph::Get(ge.link_graph))[ge.node].SetDemand(amt / 8);
00576 }
00577 }
00578
00579
00580 uint new_acc = GetAcceptanceMask(st);
00581 if (old_acc == new_acc) return;
00582
00583
00584 if (show_msg && st->owner == _local_company && st->IsInUse()) {
00585
00586
00587 static const StringID accept_msg[] = {
00588 STR_NEWS_STATION_NOW_ACCEPTS_CARGO,
00589 STR_NEWS_STATION_NOW_ACCEPTS_CARGO_AND_CARGO,
00590 };
00591 static const StringID reject_msg[] = {
00592 STR_NEWS_STATION_NO_LONGER_ACCEPTS_CARGO,
00593 STR_NEWS_STATION_NO_LONGER_ACCEPTS_CARGO_OR_CARGO,
00594 };
00595
00596
00597 CargoID accepts[2] = { CT_INVALID, CT_INVALID };
00598 CargoID rejects[2] = { CT_INVALID, CT_INVALID };
00599 uint num_acc = 0;
00600 uint num_rej = 0;
00601
00602
00603 for (CargoID i = 0; i < NUM_CARGO; i++) {
00604 if (HasBit(new_acc, i)) {
00605 if (!HasBit(old_acc, i) && num_acc < lengthof(accepts)) {
00606
00607 accepts[num_acc++] = i;
00608 }
00609 } else {
00610 if (HasBit(old_acc, i) && num_rej < lengthof(rejects)) {
00611
00612 rejects[num_rej++] = i;
00613 }
00614 }
00615 }
00616
00617
00618 if (num_acc > 0) ShowRejectOrAcceptNews(st, num_acc, accepts, accept_msg[num_acc - 1]);
00619 if (num_rej > 0) ShowRejectOrAcceptNews(st, num_rej, rejects, reject_msg[num_rej - 1]);
00620 }
00621
00622
00623 SetWindowWidgetDirty(WC_STATION_VIEW, st->index, WID_SV_ACCEPT_RATING_LIST);
00624 }
00625
00626 static void UpdateStationSignCoord(BaseStation *st)
00627 {
00628 const StationRect *r = &st->rect;
00629
00630 if (r->IsEmpty()) return;
00631
00632
00633 st->xy = TileXY(ClampU(TileX(st->xy), r->left, r->right), ClampU(TileY(st->xy), r->top, r->bottom));
00634 st->UpdateVirtCoord();
00635 }
00636
00646 static CommandCost BuildStationPart(Station **st, DoCommandFlag flags, bool reuse, TileArea area, StationNaming name_class)
00647 {
00648
00649 if (*st == NULL && reuse) *st = GetClosestDeletedStation(area.tile);
00650
00651 if (*st != NULL) {
00652 if ((*st)->owner != _current_company) {
00653 return_cmd_error(STR_ERROR_TOO_CLOSE_TO_ANOTHER_STATION);
00654 }
00655
00656 CommandCost ret = (*st)->rect.BeforeAddRect(area.tile, area.w, area.h, StationRect::ADD_TEST);
00657 if (ret.Failed()) return ret;
00658 } else {
00659
00660 if (!Station::CanAllocateItem()) return_cmd_error(STR_ERROR_TOO_MANY_STATIONS_LOADING);
00661
00662 if (flags & DC_EXEC) {
00663 *st = new Station(area.tile);
00664
00665 (*st)->town = ClosestTownFromTile(area.tile, UINT_MAX);
00666 (*st)->string_id = GenerateStationName(*st, area.tile, name_class);
00667
00668 if (Company::IsValidID(_current_company)) {
00669 SetBit((*st)->town->have_ratings, _current_company);
00670 }
00671 }
00672 }
00673 return CommandCost();
00674 }
00675
00682 static void DeleteStationIfEmpty(BaseStation *st)
00683 {
00684 if (!st->IsInUse()) {
00685 st->delete_ctr = 0;
00686 InvalidateWindowData(WC_STATION_LIST, st->owner, 0);
00687 }
00688
00689 UpdateStationSignCoord(st);
00690 }
00691
00692 CommandCost ClearTile_Station(TileIndex tile, DoCommandFlag flags);
00693
00703 CommandCost CheckBuildableTile(TileIndex tile, uint invalid_dirs, int &allowed_z, bool allow_steep, bool check_bridge = true)
00704 {
00705 if (check_bridge && MayHaveBridgeAbove(tile) && IsBridgeAbove(tile)) {
00706 return_cmd_error(STR_ERROR_MUST_DEMOLISH_BRIDGE_FIRST);
00707 }
00708
00709 CommandCost ret = EnsureNoVehicleOnGround(tile);
00710 if (ret.Failed()) return ret;
00711
00712 int z;
00713 Slope tileh = GetTileSlope(tile, &z);
00714
00715
00716
00717
00718
00719 if ((!allow_steep && IsSteepSlope(tileh)) ||
00720 ((!_settings_game.construction.build_on_slopes) && tileh != SLOPE_FLAT)) {
00721 return_cmd_error(STR_ERROR_FLAT_LAND_REQUIRED);
00722 }
00723
00724 CommandCost cost(EXPENSES_CONSTRUCTION);
00725 int flat_z = z + GetSlopeMaxZ(tileh);
00726 if (tileh != SLOPE_FLAT) {
00727
00728 for (DiagDirection dir = DIAGDIR_BEGIN; dir != DIAGDIR_END; dir++) {
00729 if (HasBit(invalid_dirs, dir) && !CanBuildDepotByTileh(dir, tileh)) {
00730 return_cmd_error(STR_ERROR_FLAT_LAND_REQUIRED);
00731 }
00732 }
00733 cost.AddCost(_price[PR_BUILD_FOUNDATION]);
00734 }
00735
00736
00737 if (allowed_z < 0) {
00738
00739 allowed_z = flat_z;
00740 } else if (allowed_z != flat_z) {
00741 return_cmd_error(STR_ERROR_FLAT_LAND_REQUIRED);
00742 }
00743
00744 return cost;
00745 }
00746
00753 CommandCost CheckFlatLand(TileArea tile_area, DoCommandFlag flags)
00754 {
00755 CommandCost cost(EXPENSES_CONSTRUCTION);
00756 int allowed_z = -1;
00757
00758 TILE_AREA_LOOP(tile_cur, tile_area) {
00759 CommandCost ret = CheckBuildableTile(tile_cur, 0, allowed_z, true);
00760 if (ret.Failed()) return ret;
00761 cost.AddCost(ret);
00762
00763 ret = DoCommand(tile_cur, 0, 0, flags, CMD_LANDSCAPE_CLEAR);
00764 if (ret.Failed()) return ret;
00765 cost.AddCost(ret);
00766 }
00767
00768 return cost;
00769 }
00770
00785 static CommandCost CheckFlatLandRailStation(TileArea tile_area, DoCommandFlag flags, Axis axis, StationID *station, RailType rt, SmallVector<Train *, 4> &affected_vehicles, StationClassID spec_class, byte spec_index, byte plat_len, byte numtracks)
00786 {
00787 CommandCost cost(EXPENSES_CONSTRUCTION);
00788 int allowed_z = -1;
00789 uint invalid_dirs = 5 << axis;
00790
00791 const StationSpec *statspec = StationClass::Get(spec_class)->GetSpec(spec_index);
00792 bool slope_cb = statspec != NULL && HasBit(statspec->callback_mask, CBM_STATION_SLOPE_CHECK);
00793
00794 TILE_AREA_LOOP(tile_cur, tile_area) {
00795 CommandCost ret = CheckBuildableTile(tile_cur, invalid_dirs, allowed_z, false);
00796 if (ret.Failed()) return ret;
00797 cost.AddCost(ret);
00798
00799 if (slope_cb) {
00800
00801 ret = PerformStationTileSlopeCheck(tile_area.tile, tile_cur, statspec, axis, plat_len, numtracks);
00802 if (ret.Failed()) return ret;
00803 }
00804
00805
00806
00807
00808 if (station != NULL && IsTileType(tile_cur, MP_STATION)) {
00809 if (!IsRailStation(tile_cur)) {
00810 return ClearTile_Station(tile_cur, DC_AUTO);
00811 } else {
00812 StationID st = GetStationIndex(tile_cur);
00813 if (*station == INVALID_STATION) {
00814 *station = st;
00815 } else if (*station != st) {
00816 return_cmd_error(STR_ERROR_ADJOINS_MORE_THAN_ONE_EXISTING);
00817 }
00818 }
00819 } else {
00820
00821
00822 if (rt != INVALID_RAILTYPE &&
00823 IsPlainRailTile(tile_cur) && !HasSignals(tile_cur) &&
00824 HasPowerOnRail(GetRailType(tile_cur), rt)) {
00825
00826
00827
00828
00829
00830
00831 TrackBits tracks = GetTrackBits(tile_cur);
00832 Track track = RemoveFirstTrack(&tracks);
00833 Track expected_track = HasBit(invalid_dirs, DIAGDIR_NE) ? TRACK_X : TRACK_Y;
00834
00835 if (tracks == TRACK_BIT_NONE && track == expected_track) {
00836
00837 if (HasBit(GetRailReservationTrackBits(tile_cur), track)) {
00838 Train *v = GetTrainForReservation(tile_cur, track);
00839 if (v != NULL) {
00840 *affected_vehicles.Append() = v;
00841 }
00842 }
00843 CommandCost ret = DoCommand(tile_cur, 0, track, flags, CMD_REMOVE_SINGLE_RAIL);
00844 if (ret.Failed()) return ret;
00845 cost.AddCost(ret);
00846
00847 continue;
00848 }
00849 }
00850 ret = DoCommand(tile_cur, 0, 0, flags, CMD_LANDSCAPE_CLEAR);
00851 if (ret.Failed()) return ret;
00852 cost.AddCost(ret);
00853 }
00854 }
00855
00856 return cost;
00857 }
00858
00871 static CommandCost CheckFlatLandRoadStop(TileArea tile_area, DoCommandFlag flags, uint invalid_dirs, bool is_drive_through, bool is_truck_stop, Axis axis, StationID *station, RoadTypes rts)
00872 {
00873 CommandCost cost(EXPENSES_CONSTRUCTION);
00874 int allowed_z = -1;
00875
00876 TILE_AREA_LOOP(cur_tile, tile_area) {
00877 CommandCost ret = CheckBuildableTile(cur_tile, invalid_dirs, allowed_z, !is_drive_through);
00878 if (ret.Failed()) return ret;
00879 cost.AddCost(ret);
00880
00881
00882
00883
00884 if (station != NULL && IsTileType(cur_tile, MP_STATION)) {
00885 if (!IsRoadStop(cur_tile)) {
00886 return ClearTile_Station(cur_tile, DC_AUTO);
00887 } else {
00888 if (is_truck_stop != IsTruckStop(cur_tile) ||
00889 is_drive_through != IsDriveThroughStopTile(cur_tile)) {
00890 return ClearTile_Station(cur_tile, DC_AUTO);
00891 }
00892
00893 if (is_drive_through && IsDriveThroughStopTile(cur_tile) && DiagDirToAxis(GetRoadStopDir(cur_tile)) != axis){
00894 return_cmd_error(STR_ERROR_DRIVE_THROUGH_DIRECTION);
00895 }
00896 StationID st = GetStationIndex(cur_tile);
00897 if (*station == INVALID_STATION) {
00898 *station = st;
00899 } else if (*station != st) {
00900 return_cmd_error(STR_ERROR_ADJOINS_MORE_THAN_ONE_EXISTING);
00901 }
00902 }
00903 } else {
00904 bool build_over_road = is_drive_through && IsNormalRoadTile(cur_tile);
00905
00906 RoadBits rb = IsNormalRoadTile(cur_tile) ? GetAllRoadBits(cur_tile) : ROAD_NONE;
00907 if (build_over_road && (rb & (axis == AXIS_X ? ROAD_Y : ROAD_X)) != 0) {
00908
00909 switch (CountBits(rb)) {
00910 case 1:
00911 return_cmd_error(STR_ERROR_DRIVE_THROUGH_DIRECTION);
00912
00913 case 2:
00914 if (rb == ROAD_X || rb == ROAD_Y) return_cmd_error(STR_ERROR_DRIVE_THROUGH_DIRECTION);
00915 return_cmd_error(STR_ERROR_DRIVE_THROUGH_CORNER);
00916
00917 default:
00918 return_cmd_error(STR_ERROR_DRIVE_THROUGH_JUNCTION);
00919 }
00920 }
00921
00922 RoadTypes cur_rts = IsNormalRoadTile(cur_tile) ? GetRoadTypes(cur_tile) : ROADTYPES_NONE;
00923 uint num_roadbits = 0;
00924 if (build_over_road) {
00925
00926 if (HasBit(cur_rts, ROADTYPE_ROAD)) {
00927 Owner road_owner = GetRoadOwner(cur_tile, ROADTYPE_ROAD);
00928 if (road_owner == OWNER_TOWN) {
00929 if (!_settings_game.construction.road_stop_on_town_road) return_cmd_error(STR_ERROR_DRIVE_THROUGH_ON_TOWN_ROAD);
00930 } else if (!_settings_game.construction.road_stop_on_competitor_road && road_owner != OWNER_NONE) {
00931 CommandCost ret = CheckOwnership(road_owner);
00932 if (ret.Failed()) return ret;
00933 }
00934 num_roadbits += CountBits(GetRoadBits(cur_tile, ROADTYPE_ROAD));
00935 }
00936
00937
00938 if (HasBit(cur_rts, ROADTYPE_TRAM)) {
00939 Owner tram_owner = GetRoadOwner(cur_tile, ROADTYPE_TRAM);
00940 if (!_settings_game.construction.road_stop_on_competitor_road && tram_owner != OWNER_NONE) {
00941 CommandCost ret = CheckOwnership(tram_owner);
00942 if (ret.Failed()) return ret;
00943 }
00944 num_roadbits += CountBits(GetRoadBits(cur_tile, ROADTYPE_TRAM));
00945 }
00946
00947
00948 rts |= cur_rts;
00949 } else {
00950 ret = DoCommand(cur_tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR);
00951 if (ret.Failed()) return ret;
00952 cost.AddCost(ret);
00953 }
00954
00955 uint roadbits_to_build = CountBits(rts) * 2 - num_roadbits;
00956 cost.AddCost(_price[PR_BUILD_ROAD] * roadbits_to_build);
00957 }
00958 }
00959
00960 return cost;
00961 }
00962
00970 CommandCost CanExpandRailStation(const BaseStation *st, TileArea &new_ta, Axis axis)
00971 {
00972 TileArea cur_ta = st->train_station;
00973
00974
00975 int x = min(TileX(cur_ta.tile), TileX(new_ta.tile));
00976 int y = min(TileY(cur_ta.tile), TileY(new_ta.tile));
00977 new_ta.w = max(TileX(cur_ta.tile) + cur_ta.w, TileX(new_ta.tile) + new_ta.w) - x;
00978 new_ta.h = max(TileY(cur_ta.tile) + cur_ta.h, TileY(new_ta.tile) + new_ta.h) - y;
00979 new_ta.tile = TileXY(x, y);
00980
00981
00982 if (new_ta.w > _settings_game.station.station_spread || new_ta.h > _settings_game.station.station_spread) {
00983 return_cmd_error(STR_ERROR_STATION_TOO_SPREAD_OUT);
00984 }
00985
00986 return CommandCost();
00987 }
00988
00989 static inline byte *CreateSingle(byte *layout, int n)
00990 {
00991 int i = n;
00992 do *layout++ = 0; while (--i);
00993 layout[((n - 1) >> 1) - n] = 2;
00994 return layout;
00995 }
00996
00997 static inline byte *CreateMulti(byte *layout, int n, byte b)
00998 {
00999 int i = n;
01000 do *layout++ = b; while (--i);
01001 if (n > 4) {
01002 layout[0 - n] = 0;
01003 layout[n - 1 - n] = 0;
01004 }
01005 return layout;
01006 }
01007
01015 void GetStationLayout(byte *layout, int numtracks, int plat_len, const StationSpec *statspec)
01016 {
01017 if (statspec != NULL && statspec->lengths >= plat_len &&
01018 statspec->platforms[plat_len - 1] >= numtracks &&
01019 statspec->layouts[plat_len - 1][numtracks - 1]) {
01020
01021 memcpy(layout, statspec->layouts[plat_len - 1][numtracks - 1],
01022 plat_len * numtracks);
01023 return;
01024 }
01025
01026 if (plat_len == 1) {
01027 CreateSingle(layout, numtracks);
01028 } else {
01029 if (numtracks & 1) layout = CreateSingle(layout, plat_len);
01030 numtracks >>= 1;
01031
01032 while (--numtracks >= 0) {
01033 layout = CreateMulti(layout, plat_len, 4);
01034 layout = CreateMulti(layout, plat_len, 6);
01035 }
01036 }
01037 }
01038
01050 template <class T, StringID error_message>
01051 CommandCost FindJoiningBaseStation(StationID existing_station, StationID station_to_join, bool adjacent, TileArea ta, T **st)
01052 {
01053 assert(*st == NULL);
01054 bool check_surrounding = true;
01055
01056 if (_settings_game.station.adjacent_stations) {
01057 if (existing_station != INVALID_STATION) {
01058 if (adjacent && existing_station != station_to_join) {
01059
01060
01061 return_cmd_error(error_message);
01062 } else {
01063
01064
01065 *st = T::GetIfValid(existing_station);
01066 check_surrounding = (*st == NULL);
01067 }
01068 } else {
01069
01070
01071 if (adjacent) check_surrounding = false;
01072 }
01073 }
01074
01075 if (check_surrounding) {
01076
01077 CommandCost ret = GetStationAround(ta, existing_station, st);
01078 if (ret.Failed()) return ret;
01079 }
01080
01081
01082 if (*st == NULL && station_to_join != INVALID_STATION) *st = T::GetIfValid(station_to_join);
01083
01084 return CommandCost();
01085 }
01086
01096 static CommandCost FindJoiningStation(StationID existing_station, StationID station_to_join, bool adjacent, TileArea ta, Station **st)
01097 {
01098 return FindJoiningBaseStation<Station, STR_ERROR_MUST_REMOVE_RAILWAY_STATION_FIRST>(existing_station, station_to_join, adjacent, ta, st);
01099 }
01100
01110 CommandCost FindJoiningWaypoint(StationID existing_waypoint, StationID waypoint_to_join, bool adjacent, TileArea ta, Waypoint **wp)
01111 {
01112 return FindJoiningBaseStation<Waypoint, STR_ERROR_MUST_REMOVE_RAILWAYPOINT_FIRST>(existing_waypoint, waypoint_to_join, adjacent, ta, wp);
01113 }
01114
01132 CommandCost CmdBuildRailStation(TileIndex tile_org, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
01133 {
01134
01135 RailType rt = Extract<RailType, 0, 4>(p1);
01136 Axis axis = Extract<Axis, 4, 1>(p1);
01137 byte numtracks = GB(p1, 8, 8);
01138 byte plat_len = GB(p1, 16, 8);
01139 bool adjacent = HasBit(p1, 24);
01140
01141 StationClassID spec_class = Extract<StationClassID, 0, 8>(p2);
01142 byte spec_index = GB(p2, 8, 8);
01143 StationID station_to_join = GB(p2, 16, 16);
01144
01145
01146 CommandCost ret = CheckIfAuthorityAllowsNewStation(tile_org, flags);
01147 if (ret.Failed()) return ret;
01148
01149 if (!ValParamRailtype(rt)) return CMD_ERROR;
01150
01151
01152 if ((uint)spec_class >= StationClass::GetClassCount() || spec_class == STAT_CLASS_WAYP) return CMD_ERROR;
01153 if (spec_index >= StationClass::Get(spec_class)->GetSpecCount()) return CMD_ERROR;
01154 if (plat_len == 0 || numtracks == 0) return CMD_ERROR;
01155
01156 int w_org, h_org;
01157 if (axis == AXIS_X) {
01158 w_org = plat_len;
01159 h_org = numtracks;
01160 } else {
01161 h_org = plat_len;
01162 w_org = numtracks;
01163 }
01164
01165 bool reuse = (station_to_join != NEW_STATION);
01166 if (!reuse) station_to_join = INVALID_STATION;
01167 bool distant_join = (station_to_join != INVALID_STATION);
01168
01169 if (distant_join && (!_settings_game.station.distant_join_stations || !Station::IsValidID(station_to_join))) return CMD_ERROR;
01170
01171 if (h_org > _settings_game.station.station_spread || w_org > _settings_game.station.station_spread) return CMD_ERROR;
01172
01173
01174 TileArea new_location(tile_org, w_org, h_org);
01175
01176
01177 StationID est = INVALID_STATION;
01178 SmallVector<Train *, 4> affected_vehicles;
01179
01180 CommandCost cost = CheckFlatLandRailStation(new_location, flags, axis, &est, rt, affected_vehicles, spec_class, spec_index, plat_len, numtracks);
01181 if (cost.Failed()) return cost;
01182
01183 cost.AddCost((numtracks * _price[PR_BUILD_STATION_RAIL] + _price[PR_BUILD_STATION_RAIL_LENGTH]) * plat_len);
01184 cost.AddCost(numtracks * plat_len * RailBuildCost(rt));
01185
01186 Station *st = NULL;
01187 ret = FindJoiningStation(est, station_to_join, adjacent, new_location, &st);
01188 if (ret.Failed()) return ret;
01189
01190 ret = BuildStationPart(&st, flags, reuse, new_location, STATIONNAMING_RAIL);
01191 if (ret.Failed()) return ret;
01192
01193 if (st != NULL && st->train_station.tile != INVALID_TILE) {
01194 CommandCost ret = CanExpandRailStation(st, new_location, axis);
01195 if (ret.Failed()) return ret;
01196 }
01197
01198
01199 const StationSpec *statspec = StationClass::Get(spec_class)->GetSpec(spec_index);
01200 int specindex = AllocateSpecToStation(statspec, st, (flags & DC_EXEC) != 0);
01201 if (specindex == -1) return_cmd_error(STR_ERROR_TOO_MANY_STATION_SPECS);
01202
01203 if (statspec != NULL) {
01204
01205
01206
01207 if (HasBit(statspec->disallowed_platforms, numtracks - 1) || HasBit(statspec->disallowed_lengths, plat_len - 1)) {
01208 return CMD_ERROR;
01209 }
01210
01211
01212 if (HasBit(statspec->callback_mask, CBM_STATION_AVAIL)) {
01213 uint16 cb_res = GetStationCallback(CBID_STATION_AVAILABILITY, 0, 0, statspec, NULL, INVALID_TILE);
01214 if (cb_res != CALLBACK_FAILED && !Convert8bitBooleanCallback(statspec->grf_prop.grffile, CBID_STATION_AVAILABILITY, cb_res)) return CMD_ERROR;
01215 }
01216 }
01217
01218 if (flags & DC_EXEC) {
01219 TileIndexDiff tile_delta;
01220 byte *layout_ptr;
01221 byte numtracks_orig;
01222 Track track;
01223
01224 st->train_station = new_location;
01225 st->AddFacility(FACIL_TRAIN, new_location.tile);
01226
01227 st->rect.BeforeAddRect(tile_org, w_org, h_org, StationRect::ADD_TRY);
01228
01229 if (statspec != NULL) {
01230
01231
01232 st->cached_anim_triggers |= statspec->animation.triggers;
01233 }
01234
01235 tile_delta = (axis == AXIS_X ? TileDiffXY(1, 0) : TileDiffXY(0, 1));
01236 track = AxisToTrack(axis);
01237
01238 layout_ptr = AllocaM(byte, numtracks * plat_len);
01239 GetStationLayout(layout_ptr, numtracks, plat_len, statspec);
01240
01241 numtracks_orig = numtracks;
01242
01243 Company *c = Company::Get(st->owner);
01244 TileIndex tile_track = tile_org;
01245 do {
01246 TileIndex tile = tile_track;
01247 int w = plat_len;
01248 do {
01249 byte layout = *layout_ptr++;
01250 if (IsRailStationTile(tile) && HasStationReservation(tile)) {
01251
01252 Train *v = GetTrainForReservation(tile, AxisToTrack(GetRailStationAxis(tile)));
01253 if (v != NULL) {
01254 FreeTrainTrackReservation(v);
01255 *affected_vehicles.Append() = v;
01256 if (IsRailStationTile(v->tile)) SetRailStationPlatformReservation(v->tile, TrackdirToExitdir(v->GetVehicleTrackdir()), false);
01257 for (; v->Next() != NULL; v = v->Next()) { }
01258 if (IsRailStationTile(v->tile)) SetRailStationPlatformReservation(v->tile, TrackdirToExitdir(ReverseTrackdir(v->GetVehicleTrackdir())), false);
01259 }
01260 }
01261
01262
01263 if (IsRailStationTile(tile)) {
01264 if (!IsStationTileBlocked(tile)) c->infrastructure.rail[GetRailType(tile)]--;
01265 c->infrastructure.station--;
01266 }
01267
01268
01269 DeleteAnimatedTile(tile);
01270 byte old_specindex = HasStationTileRail(tile) ? GetCustomStationSpecIndex(tile) : 0;
01271 MakeRailStation(tile, st->owner, st->index, axis, layout & ~1, rt);
01272
01273 DeallocateSpecFromStation(st, old_specindex);
01274
01275 SetCustomStationSpecIndex(tile, specindex);
01276 SetStationTileRandomBits(tile, GB(Random(), 0, 4));
01277 SetAnimationFrame(tile, 0);
01278
01279 if (!IsStationTileBlocked(tile)) c->infrastructure.rail[rt]++;
01280 c->infrastructure.station++;
01281
01282 if (statspec != NULL) {
01283
01284 uint32 platinfo = GetPlatformInfo(AXIS_X, GetStationGfx(tile), plat_len, numtracks_orig, plat_len - w, numtracks_orig - numtracks, false);
01285
01286
01287 uint16 callback = GetStationCallback(CBID_STATION_TILE_LAYOUT, platinfo, 0, statspec, NULL, tile);
01288 if (callback != CALLBACK_FAILED) {
01289 if (callback < 8) {
01290 SetStationGfx(tile, (callback & ~1) + axis);
01291 } else {
01292 ErrorUnknownCallbackResult(statspec->grf_prop.grffile->grfid, CBID_STATION_TILE_LAYOUT, callback);
01293 }
01294 }
01295
01296
01297 TriggerStationAnimation(st, tile, SAT_BUILT);
01298 }
01299
01300 tile += tile_delta;
01301 } while (--w);
01302 AddTrackToSignalBuffer(tile_track, track, _current_company);
01303 YapfNotifyTrackLayoutChange(tile_track, track);
01304 tile_track += tile_delta ^ TileDiffXY(1, 1);
01305 } while (--numtracks);
01306
01307 for (uint i = 0; i < affected_vehicles.Length(); ++i) {
01308
01309 Train *v = affected_vehicles[i];
01310 if (IsRailStationTile(v->tile)) SetRailStationPlatformReservation(v->tile, TrackdirToExitdir(v->GetVehicleTrackdir()), true);
01311 TryPathReserve(v, true, true);
01312 for (; v->Next() != NULL; v = v->Next()) { }
01313 if (IsRailStationTile(v->tile)) SetRailStationPlatformReservation(v->tile, TrackdirToExitdir(ReverseTrackdir(v->GetVehicleTrackdir())), true);
01314 }
01315
01316
01317 TileArea update_reservation_area;
01318 if (axis == AXIS_X) {
01319 update_reservation_area = TileArea(tile_org, 1, numtracks_orig);
01320 } else {
01321 update_reservation_area = TileArea(tile_org, numtracks_orig, 1);
01322 }
01323
01324 TILE_AREA_LOOP(tile, update_reservation_area) {
01325
01326 if (IsStationTileBlocked(tile)) continue;
01327
01328 DiagDirection dir = AxisToDiagDir(axis);
01329 TileIndexDiff tile_offset = TileOffsByDiagDir(dir);
01330 TileIndex platform_begin = tile;
01331 TileIndex platform_end = tile;
01332
01333
01334 for (TileIndex next_tile = platform_begin - tile_offset; IsCompatibleTrainStationTile(next_tile, platform_begin); next_tile -= tile_offset) {
01335 platform_begin = next_tile;
01336 }
01337 for (TileIndex next_tile = platform_end + tile_offset; IsCompatibleTrainStationTile(next_tile, platform_end); next_tile += tile_offset) {
01338 platform_end = next_tile;
01339 }
01340
01341
01342 bool reservation = false;
01343 for (TileIndex t = platform_begin; !reservation && t <= platform_end; t += tile_offset) {
01344 reservation = HasStationReservation(t);
01345 }
01346
01347 if (reservation) {
01348 SetRailStationPlatformReservation(platform_begin, dir, true);
01349 }
01350 }
01351
01352 st->MarkTilesDirty(false);
01353 st->UpdateVirtCoord();
01354 UpdateStationAcceptance(st, false);
01355 st->RecomputeIndustriesNear();
01356 InvalidateWindowData(WC_SELECT_STATION, 0, 0);
01357 InvalidateWindowData(WC_STATION_LIST, st->owner, 0);
01358 SetWindowWidgetDirty(WC_STATION_VIEW, st->index, WID_SV_TRAINS);
01359 DirtyCompanyInfrastructureWindows(st->owner);
01360 }
01361
01362 return cost;
01363 }
01364
01365 static void MakeRailStationAreaSmaller(BaseStation *st)
01366 {
01367 TileArea ta = st->train_station;
01368
01369 restart:
01370
01371
01372 if (ta.w != 0 && ta.h != 0) {
01373
01374 for (uint i = 0; !st->TileBelongsToRailStation(ta.tile + TileDiffXY(0, i));) {
01375
01376 if (++i == ta.h) {
01377 ta.tile += TileDiffXY(1, 0);
01378 ta.w--;
01379 goto restart;
01380 }
01381 }
01382
01383
01384 for (uint i = 0; !st->TileBelongsToRailStation(ta.tile + TileDiffXY(ta.w - 1, i));) {
01385
01386 if (++i == ta.h) {
01387 ta.w--;
01388 goto restart;
01389 }
01390 }
01391
01392
01393 for (uint i = 0; !st->TileBelongsToRailStation(ta.tile + TileDiffXY(i, 0));) {
01394
01395 if (++i == ta.w) {
01396 ta.tile += TileDiffXY(0, 1);
01397 ta.h--;
01398 goto restart;
01399 }
01400 }
01401
01402
01403 for (uint i = 0; !st->TileBelongsToRailStation(ta.tile + TileDiffXY(i, ta.h - 1));) {
01404
01405 if (++i == ta.w) {
01406 ta.h--;
01407 goto restart;
01408 }
01409 }
01410 } else {
01411 ta.Clear();
01412 }
01413
01414 st->train_station = ta;
01415 }
01416
01427 template <class T>
01428 CommandCost RemoveFromRailBaseStation(TileArea ta, SmallVector<T *, 4> &affected_stations, DoCommandFlag flags, Money removal_cost, bool keep_rail)
01429 {
01430
01431 int quantity = 0;
01432 CommandCost total_cost(EXPENSES_CONSTRUCTION);
01433
01434
01435
01436 CommandCost error;
01437
01438
01439 TILE_AREA_LOOP(tile, ta) {
01440
01441 if (!HasStationTileRail(tile)) continue;
01442
01443
01444 CommandCost ret = EnsureNoVehicleOnGround(tile);
01445 error.AddCost(ret);
01446 if (ret.Failed()) continue;
01447
01448
01449 T *st = T::GetByTile(tile);
01450 if (st == NULL) continue;
01451
01452 if (_current_company != OWNER_WATER) {
01453 CommandCost ret = CheckOwnership(st->owner);
01454 error.AddCost(ret);
01455 if (ret.Failed()) continue;
01456 }
01457
01458
01459 quantity++;
01460
01461 if (keep_rail || IsStationTileBlocked(tile)) {
01462
01463
01464 total_cost.AddCost(-_price[PR_CLEAR_RAIL]);
01465 }
01466
01467 if (flags & DC_EXEC) {
01468
01469 uint specindex = GetCustomStationSpecIndex(tile);
01470 Track track = GetRailStationTrack(tile);
01471 Owner owner = GetTileOwner(tile);
01472 RailType rt = GetRailType(tile);
01473 Train *v = NULL;
01474
01475 if (HasStationReservation(tile)) {
01476 v = GetTrainForReservation(tile, track);
01477 if (v != NULL) {
01478
01479 FreeTrainTrackReservation(v);
01480 if (IsRailStationTile(v->tile)) SetRailStationPlatformReservation(v->tile, TrackdirToExitdir(v->GetVehicleTrackdir()), false);
01481 Vehicle *temp = v;
01482 for (; temp->Next() != NULL; temp = temp->Next()) { }
01483 if (IsRailStationTile(temp->tile)) SetRailStationPlatformReservation(temp->tile, TrackdirToExitdir(ReverseTrackdir(temp->GetVehicleTrackdir())), false);
01484 }
01485 }
01486
01487 bool build_rail = keep_rail && !IsStationTileBlocked(tile);
01488 if (!build_rail && !IsStationTileBlocked(tile)) Company::Get(owner)->infrastructure.rail[rt]--;
01489
01490 DoClearSquare(tile);
01491 DeleteNewGRFInspectWindow(GSF_STATIONS, tile);
01492 if (build_rail) MakeRailNormal(tile, owner, TrackToTrackBits(track), rt);
01493 Company::Get(owner)->infrastructure.station--;
01494 DirtyCompanyInfrastructureWindows(owner);
01495
01496 st->rect.AfterRemoveTile(st, tile);
01497 AddTrackToSignalBuffer(tile, track, owner);
01498 YapfNotifyTrackLayoutChange(tile, track);
01499
01500 DeallocateSpecFromStation(st, specindex);
01501
01502 affected_stations.Include(st);
01503
01504 if (v != NULL) {
01505
01506 if (IsRailStationTile(v->tile)) SetRailStationPlatformReservation(v->tile, TrackdirToExitdir(v->GetVehicleTrackdir()), true);
01507 TryPathReserve(v, true, true);
01508 for (; v->Next() != NULL; v = v->Next()) { }
01509 if (IsRailStationTile(v->tile)) SetRailStationPlatformReservation(v->tile, TrackdirToExitdir(ReverseTrackdir(v->GetVehicleTrackdir())), true);
01510 }
01511 }
01512 }
01513
01514 if (quantity == 0) return error.Failed() ? error : CommandCost(STR_ERROR_THERE_IS_NO_STATION);
01515
01516 for (T **stp = affected_stations.Begin(); stp != affected_stations.End(); stp++) {
01517 T *st = *stp;
01518
01519
01520
01521
01522 MakeRailStationAreaSmaller(st);
01523 UpdateStationSignCoord(st);
01524
01525
01526 if (st->train_station.tile == INVALID_TILE) {
01527 st->facilities &= ~FACIL_TRAIN;
01528 SetWindowWidgetDirty(WC_STATION_VIEW, st->index, WID_SV_TRAINS);
01529 st->UpdateVirtCoord();
01530 DeleteStationIfEmpty(st);
01531 }
01532 }
01533
01534 total_cost.AddCost(quantity * removal_cost);
01535 return total_cost;
01536 }
01537
01549 CommandCost CmdRemoveFromRailStation(TileIndex start, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
01550 {
01551 TileIndex end = p1 == 0 ? start : p1;
01552 if (start >= MapSize() || end >= MapSize()) return CMD_ERROR;
01553
01554 TileArea ta(start, end);
01555 SmallVector<Station *, 4> affected_stations;
01556
01557 CommandCost ret = RemoveFromRailBaseStation(ta, affected_stations, flags, _price[PR_CLEAR_STATION_RAIL], HasBit(p2, 0));
01558 if (ret.Failed()) return ret;
01559
01560
01561 for (Station **stp = affected_stations.Begin(); stp != affected_stations.End(); stp++) {
01562 Station *st = *stp;
01563
01564 if (st->train_station.tile == INVALID_TILE) SetWindowWidgetDirty(WC_STATION_VIEW, st->index, WID_SV_TRAINS);
01565 st->MarkTilesDirty(false);
01566 st->RecomputeIndustriesNear();
01567 }
01568
01569
01570 return ret;
01571 }
01572
01584 CommandCost CmdRemoveFromRailWaypoint(TileIndex start, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
01585 {
01586 TileIndex end = p1 == 0 ? start : p1;
01587 if (start >= MapSize() || end >= MapSize()) return CMD_ERROR;
01588
01589 TileArea ta(start, end);
01590 SmallVector<Waypoint *, 4> affected_stations;
01591
01592 return RemoveFromRailBaseStation(ta, affected_stations, flags, _price[PR_CLEAR_WAYPOINT_RAIL], HasBit(p2, 0));
01593 }
01594
01595
01603 template <class T>
01604 CommandCost RemoveRailStation(T *st, DoCommandFlag flags)
01605 {
01606
01607 if (_current_company != OWNER_WATER) {
01608 CommandCost ret = CheckOwnership(st->owner);
01609 if (ret.Failed()) return ret;
01610 }
01611
01612
01613 TileArea ta = st->train_station;
01614
01615 assert(ta.w != 0 && ta.h != 0);
01616
01617 CommandCost cost(EXPENSES_CONSTRUCTION);
01618
01619 TILE_AREA_LOOP(tile, ta) {
01620
01621 if (!st->TileBelongsToRailStation(tile)) continue;
01622
01623 CommandCost ret = EnsureNoVehicleOnGround(tile);
01624 if (ret.Failed()) return ret;
01625
01626 cost.AddCost(_price[PR_CLEAR_STATION_RAIL]);
01627 if (flags & DC_EXEC) {
01628
01629 Track track = GetRailStationTrack(tile);
01630 Owner owner = GetTileOwner(tile);
01631 Train *v = NULL;
01632 if (HasStationReservation(tile)) {
01633 v = GetTrainForReservation(tile, track);
01634 if (v != NULL) FreeTrainTrackReservation(v);
01635 }
01636 if (!IsStationTileBlocked(tile)) Company::Get(owner)->infrastructure.rail[GetRailType(tile)]--;
01637 Company::Get(owner)->infrastructure.station--;
01638 DoClearSquare(tile);
01639 DeleteNewGRFInspectWindow(GSF_STATIONS, tile);
01640 AddTrackToSignalBuffer(tile, track, owner);
01641 YapfNotifyTrackLayoutChange(tile, track);
01642 if (v != NULL) TryPathReserve(v, true);
01643 }
01644 }
01645
01646 if (flags & DC_EXEC) {
01647 st->rect.AfterRemoveRect(st, st->train_station);
01648
01649 st->train_station.Clear();
01650
01651 st->facilities &= ~FACIL_TRAIN;
01652
01653 free(st->speclist);
01654 st->num_specs = 0;
01655 st->speclist = NULL;
01656 st->cached_anim_triggers = 0;
01657
01658 DirtyCompanyInfrastructureWindows(st->owner);
01659 SetWindowWidgetDirty(WC_STATION_VIEW, st->index, WID_SV_TRAINS);
01660 st->UpdateVirtCoord();
01661 DeleteStationIfEmpty(st);
01662 }
01663
01664 return cost;
01665 }
01666
01673 static CommandCost RemoveRailStation(TileIndex tile, DoCommandFlag flags)
01674 {
01675
01676 if (_current_company == OWNER_WATER) {
01677 return DoCommand(tile, 0, 0, DC_EXEC, CMD_REMOVE_FROM_RAIL_STATION);
01678 }
01679
01680 Station *st = Station::GetByTile(tile);
01681 CommandCost cost = RemoveRailStation(st, flags);
01682
01683 if (flags & DC_EXEC) st->RecomputeIndustriesNear();
01684
01685 return cost;
01686 }
01687
01694 static CommandCost RemoveRailWaypoint(TileIndex tile, DoCommandFlag flags)
01695 {
01696
01697 if (_current_company == OWNER_WATER) {
01698 return DoCommand(tile, 0, 0, DC_EXEC, CMD_REMOVE_FROM_RAIL_WAYPOINT);
01699 }
01700
01701 return RemoveRailStation(Waypoint::GetByTile(tile), flags);
01702 }
01703
01704
01710 static RoadStop **FindRoadStopSpot(bool truck_station, Station *st)
01711 {
01712 RoadStop **primary_stop = (truck_station) ? &st->truck_stops : &st->bus_stops;
01713
01714 if (*primary_stop == NULL) {
01715
01716 return primary_stop;
01717 } else {
01718
01719 RoadStop *stop = *primary_stop;
01720 while (stop->next != NULL) stop = stop->next;
01721 return &stop->next;
01722 }
01723 }
01724
01725 static CommandCost RemoveRoadStop(TileIndex tile, DoCommandFlag flags);
01726
01736 static CommandCost FindJoiningRoadStop(StationID existing_stop, StationID station_to_join, bool adjacent, TileArea ta, Station **st)
01737 {
01738 return FindJoiningBaseStation<Station, STR_ERROR_MUST_REMOVE_ROAD_STOP_FIRST>(existing_stop, station_to_join, adjacent, ta, st);
01739 }
01740
01756 CommandCost CmdBuildRoadStop(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
01757 {
01758 bool type = HasBit(p2, 0);
01759 bool is_drive_through = HasBit(p2, 1);
01760 RoadTypes rts = Extract<RoadTypes, 2, 2>(p2);
01761 StationID station_to_join = GB(p2, 16, 16);
01762 bool reuse = (station_to_join != NEW_STATION);
01763 if (!reuse) station_to_join = INVALID_STATION;
01764 bool distant_join = (station_to_join != INVALID_STATION);
01765
01766 uint8 width = (uint8)GB(p1, 0, 8);
01767 uint8 lenght = (uint8)GB(p1, 8, 8);
01768
01769
01770 if (width > _settings_game.station.station_spread || lenght > _settings_game.station.station_spread) return_cmd_error(STR_ERROR_STATION_TOO_SPREAD_OUT);
01771
01772 if (width == 0 || lenght == 0) return CMD_ERROR;
01773
01774 if (!IsValidTile(tile) || TileAddWrap(tile, width - 1, lenght - 1) == INVALID_TILE) return CMD_ERROR;
01775
01776 TileArea roadstop_area(tile, width, lenght);
01777
01778 if (distant_join && (!_settings_game.station.distant_join_stations || !Station::IsValidID(station_to_join))) return CMD_ERROR;
01779
01780 if (!HasExactlyOneBit(rts) || !HasRoadTypesAvail(_current_company, rts)) return CMD_ERROR;
01781
01782
01783 if (!is_drive_through && HasBit(rts, ROADTYPE_TRAM)) return CMD_ERROR;
01784
01785 DiagDirection ddir = Extract<DiagDirection, 6, 2>(p2);
01786
01787
01788 if (!IsValidDiagDirection(ddir)) return CMD_ERROR;
01789
01790 if (is_drive_through && !IsValidAxis((Axis)ddir)) return CMD_ERROR;
01791
01792 CommandCost ret = CheckIfAuthorityAllowsNewStation(tile, flags);
01793 if (ret.Failed()) return ret;
01794
01795
01796 CommandCost cost(EXPENSES_CONSTRUCTION, roadstop_area.w * roadstop_area.h * _price[type ? PR_BUILD_STATION_TRUCK : PR_BUILD_STATION_BUS]);
01797 StationID est = INVALID_STATION;
01798 ret = CheckFlatLandRoadStop(roadstop_area, flags, is_drive_through ? 5 << ddir : 1 << ddir, is_drive_through, type, DiagDirToAxis(ddir), &est, rts);
01799 if (ret.Failed()) return ret;
01800 cost.AddCost(ret);
01801
01802 Station *st = NULL;
01803 ret = FindJoiningRoadStop(est, station_to_join, HasBit(p2, 5), roadstop_area, &st);
01804 if (ret.Failed()) return ret;
01805
01806
01807 if (!RoadStop::CanAllocateItem(roadstop_area.w * roadstop_area.h)) return_cmd_error(type ? STR_ERROR_TOO_MANY_TRUCK_STOPS : STR_ERROR_TOO_MANY_BUS_STOPS);
01808
01809 ret = BuildStationPart(&st, flags, reuse, roadstop_area, STATIONNAMING_ROAD);
01810 if (ret.Failed()) return ret;
01811
01812 if (flags & DC_EXEC) {
01813
01814 TILE_AREA_LOOP(cur_tile, roadstop_area) {
01815 RoadTypes cur_rts = GetRoadTypes(cur_tile);
01816 Owner road_owner = HasBit(cur_rts, ROADTYPE_ROAD) ? GetRoadOwner(cur_tile, ROADTYPE_ROAD) : _current_company;
01817 Owner tram_owner = HasBit(cur_rts, ROADTYPE_TRAM) ? GetRoadOwner(cur_tile, ROADTYPE_TRAM) : _current_company;
01818
01819 if (IsTileType(cur_tile, MP_STATION) && IsRoadStop(cur_tile)) {
01820 RemoveRoadStop(cur_tile, flags);
01821 }
01822
01823 RoadStop *road_stop = new RoadStop(cur_tile);
01824
01825 RoadStop **currstop = FindRoadStopSpot(type, st);
01826 *currstop = road_stop;
01827
01828 if (type) {
01829 st->truck_station.Add(cur_tile);
01830 } else {
01831 st->bus_station.Add(cur_tile);
01832 }
01833
01834
01835 st->AddFacility((type) ? FACIL_TRUCK_STOP : FACIL_BUS_STOP, cur_tile);
01836
01837 st->rect.BeforeAddTile(cur_tile, StationRect::ADD_TRY);
01838
01839 RoadStopType rs_type = type ? ROADSTOP_TRUCK : ROADSTOP_BUS;
01840 if (is_drive_through) {
01841
01842
01843 RoadType rt;
01844 FOR_EACH_SET_ROADTYPE(rt, cur_rts | rts) {
01845 Company *c = Company::GetIfValid(rt == ROADTYPE_ROAD ? road_owner : tram_owner);
01846 if (c != NULL) {
01847 c->infrastructure.road[rt] += 2 - (IsNormalRoadTile(cur_tile) && HasBit(cur_rts, rt) ? CountBits(GetRoadBits(cur_tile, rt)) : 0);
01848 DirtyCompanyInfrastructureWindows(c->index);
01849 }
01850 }
01851
01852 MakeDriveThroughRoadStop(cur_tile, st->owner, road_owner, tram_owner, st->index, rs_type, rts | cur_rts, DiagDirToAxis(ddir));
01853 road_stop->MakeDriveThrough();
01854 } else {
01855
01856 Company::Get(st->owner)->infrastructure.road[FIND_FIRST_BIT(rts)] += 2;
01857 MakeRoadStop(cur_tile, st->owner, st->index, rs_type, rts, ddir);
01858 }
01859 Company::Get(st->owner)->infrastructure.station++;
01860 DirtyCompanyInfrastructureWindows(st->owner);
01861
01862 MarkTileDirtyByTile(cur_tile);
01863 }
01864 }
01865
01866 if (st != NULL) {
01867 st->UpdateVirtCoord();
01868 UpdateStationAcceptance(st, false);
01869 st->RecomputeIndustriesNear();
01870 InvalidateWindowData(WC_SELECT_STATION, 0, 0);
01871 InvalidateWindowData(WC_STATION_LIST, st->owner, 0);
01872 SetWindowWidgetDirty(WC_STATION_VIEW, st->index, WID_SV_ROADVEHS);
01873 }
01874 return cost;
01875 }
01876
01877
01878 static Vehicle *ClearRoadStopStatusEnum(Vehicle *v, void *)
01879 {
01880 if (v->type == VEH_ROAD) {
01881
01882
01883
01884
01885
01886
01887 RoadVehicle *rv = RoadVehicle::From(v);
01888 if (HasBit(rv->state, RVS_IN_DT_ROAD_STOP)) rv->state &= RVSB_ROAD_STOP_TRACKDIR_MASK;
01889 }
01890
01891 return NULL;
01892 }
01893
01894
01901 static CommandCost RemoveRoadStop(TileIndex tile, DoCommandFlag flags)
01902 {
01903 Station *st = Station::GetByTile(tile);
01904
01905 if (_current_company != OWNER_WATER) {
01906 CommandCost ret = CheckOwnership(st->owner);
01907 if (ret.Failed()) return ret;
01908 }
01909
01910 bool is_truck = IsTruckStop(tile);
01911
01912 RoadStop **primary_stop;
01913 RoadStop *cur_stop;
01914 if (is_truck) {
01915 primary_stop = &st->truck_stops;
01916 cur_stop = RoadStop::GetByTile(tile, ROADSTOP_TRUCK);
01917 } else {
01918 primary_stop = &st->bus_stops;
01919 cur_stop = RoadStop::GetByTile(tile, ROADSTOP_BUS);
01920 }
01921
01922 assert(cur_stop != NULL);
01923
01924
01925 if (IsDriveThroughStopTile(tile) && (flags & DC_BANKRUPT)) {
01926
01927 if (flags & DC_EXEC) FindVehicleOnPos(tile, NULL, &ClearRoadStopStatusEnum);
01928 } else {
01929 CommandCost ret = EnsureNoVehicleOnGround(tile);
01930 if (ret.Failed()) return ret;
01931 }
01932
01933 if (flags & DC_EXEC) {
01934 if (*primary_stop == cur_stop) {
01935
01936 *primary_stop = cur_stop->next;
01937
01938 if (*primary_stop == NULL) {
01939 st->facilities &= (is_truck ? ~FACIL_TRUCK_STOP : ~FACIL_BUS_STOP);
01940 }
01941 } else {
01942
01943 RoadStop *pred = *primary_stop;
01944 while (pred->next != cur_stop) pred = pred->next;
01945 pred->next = cur_stop->next;
01946 }
01947
01948
01949 RoadType rt;
01950 FOR_EACH_SET_ROADTYPE(rt, GetRoadTypes(tile)) {
01951 Company *c = Company::GetIfValid(GetRoadOwner(tile, rt));
01952 if (c != NULL) {
01953 c->infrastructure.road[rt] -= 2;
01954 DirtyCompanyInfrastructureWindows(c->index);
01955 }
01956 }
01957 Company::Get(st->owner)->infrastructure.station--;
01958
01959 if (IsDriveThroughStopTile(tile)) {
01960
01961 cur_stop->ClearDriveThrough();
01962 } else {
01963 DoClearSquare(tile);
01964 }
01965
01966 SetWindowWidgetDirty(WC_STATION_VIEW, st->index, WID_SV_ROADVEHS);
01967 delete cur_stop;
01968
01969
01970 RoadVehicle *v;
01971 FOR_ALL_ROADVEHICLES(v) {
01972 if (v->First() == v && v->current_order.IsType(OT_GOTO_STATION) &&
01973 v->dest_tile == tile) {
01974 v->dest_tile = v->GetOrderStationLocation(st->index);
01975 }
01976 }
01977
01978 st->rect.AfterRemoveTile(st, tile);
01979
01980 st->UpdateVirtCoord();
01981 st->RecomputeIndustriesNear();
01982 DeleteStationIfEmpty(st);
01983
01984
01985 if (is_truck) {
01986 st->truck_station.Clear();
01987 for (const RoadStop *rs = st->truck_stops; rs != NULL; rs = rs->next) st->truck_station.Add(rs->xy);
01988 } else {
01989 st->bus_station.Clear();
01990 for (const RoadStop *rs = st->bus_stops; rs != NULL; rs = rs->next) st->bus_station.Add(rs->xy);
01991 }
01992 }
01993
01994 return CommandCost(EXPENSES_CONSTRUCTION, _price[is_truck ? PR_CLEAR_STATION_TRUCK : PR_CLEAR_STATION_BUS]);
01995 }
01996
02007 CommandCost CmdRemoveRoadStop(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
02008 {
02009 uint8 width = (uint8)GB(p1, 0, 8);
02010 uint8 height = (uint8)GB(p1, 8, 8);
02011
02012
02013 if (width == 0 || height == 0) return CMD_ERROR;
02014
02015 if (!IsValidTile(tile) || TileAddWrap(tile, width - 1, height - 1) == INVALID_TILE) return CMD_ERROR;
02016
02017 TileArea roadstop_area(tile, width, height);
02018
02019 int quantity = 0;
02020 CommandCost cost(EXPENSES_CONSTRUCTION);
02021 TILE_AREA_LOOP(cur_tile, roadstop_area) {
02022
02023 if (!IsTileType(cur_tile, MP_STATION) || !IsRoadStop(cur_tile) || (uint32)GetRoadStopType(cur_tile) != GB(p2, 0, 1)) continue;
02024
02025
02026 bool is_drive_through = IsDriveThroughStopTile(cur_tile);
02027 RoadTypes rts = GetRoadTypes(cur_tile);
02028 RoadBits road_bits = IsDriveThroughStopTile(cur_tile) ?
02029 ((GetRoadStopDir(cur_tile) == DIAGDIR_NE) ? ROAD_X : ROAD_Y) :
02030 DiagDirToRoadBits(GetRoadStopDir(cur_tile));
02031
02032 Owner road_owner = GetRoadOwner(cur_tile, ROADTYPE_ROAD);
02033 Owner tram_owner = GetRoadOwner(cur_tile, ROADTYPE_TRAM);
02034 CommandCost ret = RemoveRoadStop(cur_tile, flags);
02035 if (ret.Failed()) return ret;
02036 cost.AddCost(ret);
02037
02038 quantity++;
02039
02040 if ((flags & DC_EXEC) && is_drive_through) {
02041 MakeRoadNormal(cur_tile, road_bits, rts, ClosestTownFromTile(cur_tile, UINT_MAX)->index,
02042 road_owner, tram_owner);
02043
02044
02045 RoadType rt;
02046 FOR_EACH_SET_ROADTYPE(rt, rts) {
02047 Company *c = Company::GetIfValid(GetRoadOwner(cur_tile, rt));
02048 if (c != NULL) {
02049 c->infrastructure.road[rt] += CountBits(road_bits);
02050 DirtyCompanyInfrastructureWindows(c->index);
02051 }
02052 }
02053 }
02054 }
02055
02056 if (quantity == 0) return_cmd_error(STR_ERROR_THERE_IS_NO_STATION);
02057
02058 return cost;
02059 }
02060
02067 static uint GetMinimalAirportDistanceToTile(TileIterator &it, TileIndex town_tile)
02068 {
02069 uint mindist = UINT_MAX;
02070
02071 for (TileIndex cur_tile = it; cur_tile != INVALID_TILE; cur_tile = ++it) {
02072 mindist = min(mindist, DistanceManhattan(town_tile, cur_tile));
02073 }
02074
02075 return mindist;
02076 }
02077
02087 uint8 GetAirportNoiseLevelForTown(const AirportSpec *as, TileIterator &it, TileIndex town_tile)
02088 {
02089
02090
02091 if (as->noise_level < 2) return as->noise_level;
02092
02093 uint distance = GetMinimalAirportDistanceToTile(it, town_tile);
02094
02095
02096
02097
02098
02099 uint8 town_tolerance_distance = 8 + (_settings_game.difficulty.town_council_tolerance * 4);
02100
02101
02102
02103 uint noise_reduction = distance / town_tolerance_distance;
02104
02105
02106
02107 return noise_reduction >= as->noise_level ? 1 : as->noise_level - noise_reduction;
02108 }
02109
02117 Town *AirportGetNearestTown(const AirportSpec *as, const TileIterator &it)
02118 {
02119 Town *t, *nearest = NULL;
02120 uint add = as->size_x + as->size_y - 2;
02121 uint mindist = UINT_MAX - add;
02122 FOR_ALL_TOWNS(t) {
02123 if (DistanceManhattan(t->xy, it) < mindist + add) {
02124 TileIterator *copy = it.Clone();
02125 uint dist = GetMinimalAirportDistanceToTile(*copy, t->xy);
02126 delete copy;
02127 if (dist < mindist) {
02128 nearest = t;
02129 mindist = dist;
02130 }
02131 }
02132 }
02133
02134 return nearest;
02135 }
02136
02137
02139 void UpdateAirportsNoise()
02140 {
02141 Town *t;
02142 const Station *st;
02143
02144 FOR_ALL_TOWNS(t) t->noise_reached = 0;
02145
02146 FOR_ALL_STATIONS(st) {
02147 if (st->airport.tile != INVALID_TILE && st->airport.type != AT_OILRIG) {
02148 const AirportSpec *as = st->airport.GetSpec();
02149 AirportTileIterator it(st);
02150 Town *nearest = AirportGetNearestTown(as, it);
02151 nearest->noise_reached += GetAirportNoiseLevelForTown(as, it, nearest->xy);
02152 }
02153 }
02154 }
02155
02169 CommandCost CmdBuildAirport(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
02170 {
02171 StationID station_to_join = GB(p2, 16, 16);
02172 bool reuse = (station_to_join != NEW_STATION);
02173 if (!reuse) station_to_join = INVALID_STATION;
02174 bool distant_join = (station_to_join != INVALID_STATION);
02175 byte airport_type = GB(p1, 0, 8);
02176 byte layout = GB(p1, 8, 8);
02177
02178 if (distant_join && (!_settings_game.station.distant_join_stations || !Station::IsValidID(station_to_join))) return CMD_ERROR;
02179
02180 if (airport_type >= NUM_AIRPORTS) return CMD_ERROR;
02181
02182 CommandCost ret = CheckIfAuthorityAllowsNewStation(tile, flags);
02183 if (ret.Failed()) return ret;
02184
02185
02186 const AirportSpec *as = AirportSpec::Get(airport_type);
02187 if (!as->IsAvailable() || layout >= as->num_table) return CMD_ERROR;
02188
02189 Direction rotation = as->rotation[layout];
02190 int w = as->size_x;
02191 int h = as->size_y;
02192 if (rotation == DIR_E || rotation == DIR_W) Swap(w, h);
02193 TileArea airport_area = TileArea(tile, w, h);
02194
02195 if (w > _settings_game.station.station_spread || h > _settings_game.station.station_spread) {
02196 return_cmd_error(STR_ERROR_STATION_TOO_SPREAD_OUT);
02197 }
02198
02199 CommandCost cost = CheckFlatLand(airport_area, flags);
02200 if (cost.Failed()) return cost;
02201
02202
02203 AirportTileTableIterator iter(as->table[layout], tile);
02204 Town *nearest = AirportGetNearestTown(as, iter);
02205 uint newnoise_level = GetAirportNoiseLevelForTown(as, iter, nearest->xy);
02206
02207
02208 StringID authority_refuse_message = STR_NULL;
02209 Town *authority_refuse_town = NULL;
02210
02211 if (_settings_game.economy.station_noise_level) {
02212
02213 if ((nearest->noise_reached + newnoise_level) > nearest->MaxTownNoise()) {
02214 authority_refuse_message = STR_ERROR_LOCAL_AUTHORITY_REFUSES_NOISE;
02215 authority_refuse_town = nearest;
02216 }
02217 } else {
02218 Town *t = ClosestTownFromTile(tile, UINT_MAX);
02219 uint num = 0;
02220 const Station *st;
02221 FOR_ALL_STATIONS(st) {
02222 if (st->town == t && (st->facilities & FACIL_AIRPORT) && st->airport.type != AT_OILRIG) num++;
02223 }
02224 if (num >= 2) {
02225 authority_refuse_message = STR_ERROR_LOCAL_AUTHORITY_REFUSES_AIRPORT;
02226 authority_refuse_town = t;
02227 }
02228 }
02229
02230 if (authority_refuse_message != STR_NULL) {
02231 SetDParam(0, authority_refuse_town->index);
02232 return_cmd_error(authority_refuse_message);
02233 }
02234
02235 Station *st = NULL;
02236 ret = FindJoiningStation(INVALID_STATION, station_to_join, HasBit(p2, 0), airport_area, &st);
02237 if (ret.Failed()) return ret;
02238
02239
02240 if (st == NULL && distant_join) st = Station::GetIfValid(station_to_join);
02241
02242 ret = BuildStationPart(&st, flags, reuse, airport_area, (GetAirport(airport_type)->flags & AirportFTAClass::AIRPLANES) ? STATIONNAMING_AIRPORT : STATIONNAMING_HELIPORT);
02243 if (ret.Failed()) return ret;
02244
02245 if (st != NULL && st->airport.tile != INVALID_TILE) {
02246 return_cmd_error(STR_ERROR_TOO_CLOSE_TO_ANOTHER_AIRPORT);
02247 }
02248
02249 for (AirportTileTableIterator iter(as->table[layout], tile); iter != INVALID_TILE; ++iter) {
02250 cost.AddCost(_price[PR_BUILD_STATION_AIRPORT]);
02251 }
02252
02253 if (flags & DC_EXEC) {
02254
02255 nearest->noise_reached += newnoise_level;
02256
02257 st->AddFacility(FACIL_AIRPORT, tile);
02258 st->airport.type = airport_type;
02259 st->airport.layout = layout;
02260 st->airport.flags = 0;
02261 st->airport.rotation = rotation;
02262
02263 st->rect.BeforeAddRect(tile, w, h, StationRect::ADD_TRY);
02264
02265 for (AirportTileTableIterator iter(as->table[layout], tile); iter != INVALID_TILE; ++iter) {
02266 MakeAirport(iter, st->owner, st->index, iter.GetStationGfx(), WATER_CLASS_INVALID);
02267 SetStationTileRandomBits(iter, GB(Random(), 0, 4));
02268 st->airport.Add(iter);
02269
02270 if (AirportTileSpec::Get(GetTranslatedAirportTileID(iter.GetStationGfx()))->animation.status != ANIM_STATUS_NO_ANIMATION) AddAnimatedTile(iter);
02271 }
02272
02273
02274 for (AirportTileTableIterator iter(as->table[layout], tile); iter != INVALID_TILE; ++iter) {
02275 AirportTileAnimationTrigger(st, iter, AAT_BUILT);
02276 }
02277
02278 UpdateAirplanesOnNewStation(st);
02279
02280 Company::Get(st->owner)->infrastructure.airport++;
02281 DirtyCompanyInfrastructureWindows(st->owner);
02282
02283 st->UpdateVirtCoord();
02284 UpdateStationAcceptance(st, false);
02285 st->RecomputeIndustriesNear();
02286 InvalidateWindowData(WC_SELECT_STATION, 0, 0);
02287 InvalidateWindowData(WC_STATION_LIST, st->owner, 0);
02288 InvalidateWindowData(WC_STATION_VIEW, st->index, -1);
02289
02290 if (_settings_game.economy.station_noise_level) {
02291 SetWindowDirty(WC_TOWN_VIEW, st->town->index);
02292 }
02293 }
02294
02295 return cost;
02296 }
02297
02304 static CommandCost RemoveAirport(TileIndex tile, DoCommandFlag flags)
02305 {
02306 Station *st = Station::GetByTile(tile);
02307
02308 if (_current_company != OWNER_WATER) {
02309 CommandCost ret = CheckOwnership(st->owner);
02310 if (ret.Failed()) return ret;
02311 }
02312
02313 tile = st->airport.tile;
02314
02315 CommandCost cost(EXPENSES_CONSTRUCTION);
02316
02317 const Aircraft *a;
02318 FOR_ALL_AIRCRAFT(a) {
02319 if (!a->IsNormalAircraft()) continue;
02320 if (a->targetairport == st->index && a->state != FLYING) return CMD_ERROR;
02321 }
02322
02323 if (flags & DC_EXEC) {
02324 const AirportSpec *as = st->airport.GetSpec();
02325
02326
02327
02328 AirportTileIterator it(st);
02329 Town *nearest = AirportGetNearestTown(as, it);
02330 nearest->noise_reached -= GetAirportNoiseLevelForTown(as, it, nearest->xy);
02331 }
02332
02333 TILE_AREA_LOOP(tile_cur, st->airport) {
02334 if (!st->TileBelongsToAirport(tile_cur)) continue;
02335
02336 CommandCost ret = EnsureNoVehicleOnGround(tile_cur);
02337 if (ret.Failed()) return ret;
02338
02339 cost.AddCost(_price[PR_CLEAR_STATION_AIRPORT]);
02340
02341 if (flags & DC_EXEC) {
02342 if (IsHangarTile(tile_cur)) OrderBackup::Reset(tile_cur, false);
02343 DeleteAnimatedTile(tile_cur);
02344 DoClearSquare(tile_cur);
02345 DeleteNewGRFInspectWindow(GSF_AIRPORTTILES, tile_cur);
02346 }
02347 }
02348
02349 if (flags & DC_EXEC) {
02350
02351 delete st->airport.psa;
02352
02353 for (uint i = 0; i < st->airport.GetNumHangars(); ++i) {
02354 DeleteWindowById(
02355 WC_VEHICLE_DEPOT, st->airport.GetHangarTile(i)
02356 );
02357 }
02358
02359 st->rect.AfterRemoveRect(st, st->airport);
02360
02361 st->airport.Clear();
02362 st->facilities &= ~FACIL_AIRPORT;
02363
02364 InvalidateWindowData(WC_STATION_VIEW, st->index, -1);
02365
02366 if (_settings_game.economy.station_noise_level) {
02367 SetWindowDirty(WC_TOWN_VIEW, st->town->index);
02368 }
02369
02370 Company::Get(st->owner)->infrastructure.airport--;
02371 DirtyCompanyInfrastructureWindows(st->owner);
02372
02373 st->UpdateVirtCoord();
02374 st->RecomputeIndustriesNear();
02375 DeleteStationIfEmpty(st);
02376 DeleteNewGRFInspectWindow(GSF_AIRPORTS, st->index);
02377 }
02378
02379 return cost;
02380 }
02381
02391 CommandCost CmdOpenCloseAirport(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
02392 {
02393 if (!Station::IsValidID(p1)) return CMD_ERROR;
02394 Station *st = Station::Get(p1);
02395
02396 if (!(st->facilities & FACIL_AIRPORT) || st->owner == OWNER_NONE) return CMD_ERROR;
02397
02398 CommandCost ret = CheckOwnership(st->owner);
02399 if (ret.Failed()) return ret;
02400
02401 if (flags & DC_EXEC) {
02402 st->airport.flags ^= AIRPORT_CLOSED_block;
02403 SetWindowWidgetDirty(WC_STATION_VIEW, st->index, WID_SV_CLOSE_AIRPORT);
02404 }
02405 return CommandCost();
02406 }
02407
02414 bool HasStationInUse(StationID station, bool include_company, CompanyID company)
02415 {
02416 const Vehicle *v;
02417 FOR_ALL_VEHICLES(v) {
02418 if ((v->owner == company) == include_company) {
02419 const Order *order;
02420 FOR_VEHICLE_ORDERS(v, order) {
02421 if ((order->IsType(OT_GOTO_STATION) || order->IsType(OT_GOTO_WAYPOINT)) && order->GetDestination() == station) {
02422 return true;
02423 }
02424 }
02425 }
02426 }
02427 return false;
02428 }
02429
02430 static const TileIndexDiffC _dock_tileoffs_chkaround[] = {
02431 {-1, 0},
02432 { 0, 0},
02433 { 0, 0},
02434 { 0, -1}
02435 };
02436 static const byte _dock_w_chk[4] = { 2, 1, 2, 1 };
02437 static const byte _dock_h_chk[4] = { 1, 2, 1, 2 };
02438
02448 CommandCost CmdBuildDock(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
02449 {
02450 StationID station_to_join = GB(p2, 16, 16);
02451 bool reuse = (station_to_join != NEW_STATION);
02452 if (!reuse) station_to_join = INVALID_STATION;
02453 bool distant_join = (station_to_join != INVALID_STATION);
02454
02455 if (distant_join && (!_settings_game.station.distant_join_stations || !Station::IsValidID(station_to_join))) return CMD_ERROR;
02456
02457 DiagDirection direction = GetInclinedSlopeDirection(GetTileSlope(tile));
02458 if (direction == INVALID_DIAGDIR) return_cmd_error(STR_ERROR_SITE_UNSUITABLE);
02459 direction = ReverseDiagDir(direction);
02460
02461
02462 if (HasTileWaterGround(tile)) return_cmd_error(STR_ERROR_SITE_UNSUITABLE);
02463
02464 CommandCost ret = CheckIfAuthorityAllowsNewStation(tile, flags);
02465 if (ret.Failed()) return ret;
02466
02467 if (MayHaveBridgeAbove(tile) && IsBridgeAbove(tile)) return_cmd_error(STR_ERROR_MUST_DEMOLISH_BRIDGE_FIRST);
02468
02469 ret = DoCommand(tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR);
02470 if (ret.Failed()) return ret;
02471
02472 TileIndex tile_cur = tile + TileOffsByDiagDir(direction);
02473
02474 if (!IsTileType(tile_cur, MP_WATER) || GetTileSlope(tile_cur) != SLOPE_FLAT) {
02475 return_cmd_error(STR_ERROR_SITE_UNSUITABLE);
02476 }
02477
02478 if (MayHaveBridgeAbove(tile_cur) && IsBridgeAbove(tile_cur)) return_cmd_error(STR_ERROR_MUST_DEMOLISH_BRIDGE_FIRST);
02479
02480
02481 WaterClass wc = GetWaterClass(tile_cur);
02482
02483 ret = DoCommand(tile_cur, 0, 0, flags, CMD_LANDSCAPE_CLEAR);
02484 if (ret.Failed()) return ret;
02485
02486 tile_cur += TileOffsByDiagDir(direction);
02487 if (!IsTileType(tile_cur, MP_WATER) || GetTileSlope(tile_cur) != SLOPE_FLAT) {
02488 return_cmd_error(STR_ERROR_SITE_UNSUITABLE);
02489 }
02490
02491 TileArea dock_area = TileArea(tile + ToTileIndexDiff(_dock_tileoffs_chkaround[direction]),
02492 _dock_w_chk[direction], _dock_h_chk[direction]);
02493
02494
02495 Station *st = NULL;
02496 ret = FindJoiningStation(INVALID_STATION, station_to_join, HasBit(p1, 0), dock_area, &st);
02497 if (ret.Failed()) return ret;
02498
02499
02500 if (st == NULL && distant_join) st = Station::GetIfValid(station_to_join);
02501
02502 ret = BuildStationPart(&st, flags, reuse, dock_area, STATIONNAMING_DOCK);
02503 if (ret.Failed()) return ret;
02504
02505 if (st != NULL && st->dock_tile != INVALID_TILE) return_cmd_error(STR_ERROR_TOO_CLOSE_TO_ANOTHER_DOCK);
02506
02507 if (flags & DC_EXEC) {
02508 st->dock_tile = tile;
02509 st->AddFacility(FACIL_DOCK, tile);
02510
02511 st->rect.BeforeAddRect(dock_area.tile, dock_area.w, dock_area.h, StationRect::ADD_TRY);
02512
02513
02514
02515 if (wc == WATER_CLASS_CANAL) {
02516 Company::Get(st->owner)->infrastructure.water++;
02517 }
02518 Company::Get(st->owner)->infrastructure.station += 2;
02519 DirtyCompanyInfrastructureWindows(st->owner);
02520
02521 MakeDock(tile, st->owner, st->index, direction, wc);
02522
02523 st->UpdateVirtCoord();
02524 UpdateStationAcceptance(st, false);
02525 st->RecomputeIndustriesNear();
02526 InvalidateWindowData(WC_SELECT_STATION, 0, 0);
02527 InvalidateWindowData(WC_STATION_LIST, st->owner, 0);
02528 SetWindowWidgetDirty(WC_STATION_VIEW, st->index, WID_SV_SHIPS);
02529 }
02530
02531 return CommandCost(EXPENSES_CONSTRUCTION, _price[PR_BUILD_STATION_DOCK]);
02532 }
02533
02540 static CommandCost RemoveDock(TileIndex tile, DoCommandFlag flags)
02541 {
02542 Station *st = Station::GetByTile(tile);
02543 CommandCost ret = CheckOwnership(st->owner);
02544 if (ret.Failed()) return ret;
02545
02546 TileIndex docking_location = TILE_ADD(st->dock_tile, ToTileIndexDiff(GetDockOffset(st->dock_tile)));
02547
02548 TileIndex tile1 = st->dock_tile;
02549 TileIndex tile2 = tile1 + TileOffsByDiagDir(GetDockDirection(tile1));
02550
02551 ret = EnsureNoVehicleOnGround(tile1);
02552 if (ret.Succeeded()) ret = EnsureNoVehicleOnGround(tile2);
02553 if (ret.Failed()) return ret;
02554
02555 if (flags & DC_EXEC) {
02556 DoClearSquare(tile1);
02557 MarkTileDirtyByTile(tile1);
02558 MakeWaterKeepingClass(tile2, st->owner);
02559
02560 st->rect.AfterRemoveTile(st, tile1);
02561 st->rect.AfterRemoveTile(st, tile2);
02562
02563 st->dock_tile = INVALID_TILE;
02564 st->facilities &= ~FACIL_DOCK;
02565
02566 Company::Get(st->owner)->infrastructure.station -= 2;
02567 DirtyCompanyInfrastructureWindows(st->owner);
02568
02569 SetWindowWidgetDirty(WC_STATION_VIEW, st->index, WID_SV_SHIPS);
02570 st->UpdateVirtCoord();
02571 st->RecomputeIndustriesNear();
02572 DeleteStationIfEmpty(st);
02573
02574
02575
02576
02577
02578 Ship *s;
02579 FOR_ALL_SHIPS(s) {
02580 if (s->current_order.IsType(OT_LOADING) && s->tile == docking_location) {
02581 s->LeaveStation();
02582 }
02583
02584 if (s->dest_tile == docking_location) {
02585 s->dest_tile = 0;
02586 s->current_order.Free();
02587 }
02588 }
02589 }
02590
02591 return CommandCost(EXPENSES_CONSTRUCTION, _price[PR_CLEAR_STATION_DOCK]);
02592 }
02593
02594 #include "table/station_land.h"
02595
02596 const DrawTileSprites *GetStationTileLayout(StationType st, byte gfx)
02597 {
02598 return &_station_display_datas[st][gfx];
02599 }
02600
02610 bool SplitGroundSpriteForOverlay(const TileInfo *ti, SpriteID *ground, RailTrackOffset *overlay_offset)
02611 {
02612 bool snow_desert;
02613 switch (*ground) {
02614 case SPR_RAIL_TRACK_X:
02615 snow_desert = false;
02616 *overlay_offset = RTO_X;
02617 break;
02618
02619 case SPR_RAIL_TRACK_Y:
02620 snow_desert = false;
02621 *overlay_offset = RTO_Y;
02622 break;
02623
02624 case SPR_RAIL_TRACK_X_SNOW:
02625 snow_desert = true;
02626 *overlay_offset = RTO_X;
02627 break;
02628
02629 case SPR_RAIL_TRACK_Y_SNOW:
02630 snow_desert = true;
02631 *overlay_offset = RTO_Y;
02632 break;
02633
02634 default:
02635 return false;
02636 }
02637
02638 if (ti != NULL) {
02639
02640 switch (_settings_game.game_creation.landscape) {
02641 case LT_ARCTIC:
02642 snow_desert = (uint)ti->z > GetSnowLine() * TILE_HEIGHT;
02643 break;
02644
02645 case LT_TROPIC:
02646 snow_desert = GetTropicZone(ti->tile) == TROPICZONE_DESERT;
02647 break;
02648
02649 default:
02650 break;
02651 }
02652 }
02653
02654 *ground = snow_desert ? SPR_FLAT_SNOW_DESERT_TILE : SPR_FLAT_GRASS_TILE;
02655 return true;
02656 }
02657
02658 static void DrawTile_Station(TileInfo *ti)
02659 {
02660 const NewGRFSpriteLayout *layout = NULL;
02661 DrawTileSprites tmp_rail_layout;
02662 const DrawTileSprites *t = NULL;
02663 RoadTypes roadtypes;
02664 int32 total_offset;
02665 const RailtypeInfo *rti = NULL;
02666 uint32 relocation = 0;
02667 uint32 ground_relocation = 0;
02668 BaseStation *st = NULL;
02669 const StationSpec *statspec = NULL;
02670 uint tile_layout = 0;
02671
02672 if (HasStationRail(ti->tile)) {
02673 rti = GetRailTypeInfo(GetRailType(ti->tile));
02674 roadtypes = ROADTYPES_NONE;
02675 total_offset = rti->GetRailtypeSpriteOffset();
02676
02677 if (IsCustomStationSpecIndex(ti->tile)) {
02678
02679 st = BaseStation::GetByTile(ti->tile);
02680 statspec = st->speclist[GetCustomStationSpecIndex(ti->tile)].spec;
02681
02682 if (statspec != NULL) {
02683 tile_layout = GetStationGfx(ti->tile);
02684
02685 if (HasBit(statspec->callback_mask, CBM_STATION_SPRITE_LAYOUT)) {
02686 uint16 callback = GetStationCallback(CBID_STATION_SPRITE_LAYOUT, 0, 0, statspec, st, ti->tile);
02687 if (callback != CALLBACK_FAILED) tile_layout = (callback & ~1) + GetRailStationAxis(ti->tile);
02688 }
02689
02690
02691 if (statspec->renderdata != NULL) {
02692 layout = &statspec->renderdata[tile_layout < statspec->tiles ? tile_layout : (uint)GetRailStationAxis(ti->tile)];
02693 if (!layout->NeedsPreprocessing()) {
02694 t = layout;
02695 layout = NULL;
02696 }
02697 }
02698 }
02699 }
02700 } else {
02701 roadtypes = IsRoadStop(ti->tile) ? GetRoadTypes(ti->tile) : ROADTYPES_NONE;
02702 total_offset = 0;
02703 }
02704
02705 StationGfx gfx = GetStationGfx(ti->tile);
02706 if (IsAirport(ti->tile)) {
02707 gfx = GetAirportGfx(ti->tile);
02708 if (gfx >= NEW_AIRPORTTILE_OFFSET) {
02709 const AirportTileSpec *ats = AirportTileSpec::Get(gfx);
02710 if (ats->grf_prop.spritegroup[0] != NULL && DrawNewAirportTile(ti, Station::GetByTile(ti->tile), gfx, ats)) {
02711 return;
02712 }
02713
02714
02715 assert(ats->grf_prop.subst_id != INVALID_AIRPORTTILE);
02716 gfx = ats->grf_prop.subst_id;
02717 }
02718 switch (gfx) {
02719 case APT_RADAR_GRASS_FENCE_SW:
02720 t = &_station_display_datas_airport_radar_grass_fence_sw[GetAnimationFrame(ti->tile)];
02721 break;
02722 case APT_GRASS_FENCE_NE_FLAG:
02723 t = &_station_display_datas_airport_flag_grass_fence_ne[GetAnimationFrame(ti->tile)];
02724 break;
02725 case APT_RADAR_FENCE_SW:
02726 t = &_station_display_datas_airport_radar_fence_sw[GetAnimationFrame(ti->tile)];
02727 break;
02728 case APT_RADAR_FENCE_NE:
02729 t = &_station_display_datas_airport_radar_fence_ne[GetAnimationFrame(ti->tile)];
02730 break;
02731 case APT_GRASS_FENCE_NE_FLAG_2:
02732 t = &_station_display_datas_airport_flag_grass_fence_ne_2[GetAnimationFrame(ti->tile)];
02733 break;
02734 }
02735 }
02736
02737 Owner owner = GetTileOwner(ti->tile);
02738
02739 PaletteID palette;
02740 if (Company::IsValidID(owner)) {
02741 palette = COMPANY_SPRITE_COLOUR(owner);
02742 } else {
02743
02744 palette = PALETTE_TO_GREY;
02745 }
02746
02747 if (layout == NULL && (t == NULL || t->seq == NULL)) t = GetStationTileLayout(GetStationType(ti->tile), gfx);
02748
02749
02750 if (ti->tileh != SLOPE_FLAT && !IsDock(ti->tile)) {
02751 if (statspec != NULL && HasBit(statspec->flags, SSF_CUSTOM_FOUNDATIONS)) {
02752
02753
02754 uint edge_info = 0;
02755 int z;
02756 Slope slope = GetFoundationPixelSlope(ti->tile, &z);
02757 if (!HasFoundationNW(ti->tile, slope, z)) SetBit(edge_info, 0);
02758 if (!HasFoundationNE(ti->tile, slope, z)) SetBit(edge_info, 1);
02759 SpriteID image = GetCustomStationFoundationRelocation(statspec, st, ti->tile, tile_layout, edge_info);
02760 if (image == 0) goto draw_default_foundation;
02761
02762 if (HasBit(statspec->flags, SSF_EXTENDED_FOUNDATIONS)) {
02763
02764
02765 static const uint8 foundation_parts[] = {
02766 0, 0, 0, 0,
02767 0, 1, 2, 3,
02768 0, 4, 5, 6,
02769 7, 8, 9
02770 };
02771
02772 AddSortableSpriteToDraw(image + foundation_parts[ti->tileh], PAL_NONE, ti->x, ti->y, 16, 16, 7, ti->z);
02773 } else {
02774
02775
02776
02777
02778 static const uint8 composite_foundation_parts[] = {
02779
02780 0x00, 0xD1, 0xE4, 0xE0,
02781
02782 0xCA, 0xC9, 0xC4, 0xC0,
02783
02784 0xD2, 0x91, 0xE4, 0xA0,
02785
02786 0x4A, 0x09, 0x44
02787 };
02788
02789 uint8 parts = composite_foundation_parts[ti->tileh];
02790
02791
02792
02793 if (HasBit(edge_info, 0)) ClrBit(parts, 6);
02794 if (HasBit(edge_info, 1)) ClrBit(parts, 7);
02795
02796 if (parts == 0) {
02797
02798
02799
02800 goto draw_default_foundation;
02801 }
02802
02803 StartSpriteCombine();
02804 for (int i = 0; i < 8; i++) {
02805 if (HasBit(parts, i)) {
02806 AddSortableSpriteToDraw(image + i, PAL_NONE, ti->x, ti->y, 16, 16, 7, ti->z);
02807 }
02808 }
02809 EndSpriteCombine();
02810 }
02811
02812 OffsetGroundSprite(31, 1);
02813 ti->z += ApplyPixelFoundationToSlope(FOUNDATION_LEVELED, &ti->tileh);
02814 } else {
02815 draw_default_foundation:
02816 DrawFoundation(ti, FOUNDATION_LEVELED);
02817 }
02818 }
02819
02820 if (IsBuoy(ti->tile)) {
02821 DrawWaterClassGround(ti);
02822 SpriteID sprite = GetCanalSprite(CF_BUOY, ti->tile);
02823 if (sprite != 0) total_offset = sprite - SPR_IMG_BUOY;
02824 } else if (IsDock(ti->tile) || (IsOilRig(ti->tile) && IsTileOnWater(ti->tile))) {
02825 if (ti->tileh == SLOPE_FLAT) {
02826 DrawWaterClassGround(ti);
02827 } else {
02828 assert(IsDock(ti->tile));
02829 TileIndex water_tile = ti->tile + TileOffsByDiagDir(GetDockDirection(ti->tile));
02830 WaterClass wc = GetWaterClass(water_tile);
02831 if (wc == WATER_CLASS_SEA) {
02832 DrawShoreTile(ti->tileh);
02833 } else {
02834 DrawClearLandTile(ti, 3);
02835 }
02836 }
02837 } else {
02838 if (layout != NULL) {
02839
02840 bool separate_ground = HasBit(statspec->flags, SSF_SEPARATE_GROUND);
02841 uint32 var10_values = layout->PrepareLayout(total_offset, rti->fallback_railtype, 0, 0, separate_ground);
02842 uint8 var10;
02843 FOR_EACH_SET_BIT(var10, var10_values) {
02844 uint32 var10_relocation = GetCustomStationRelocation(statspec, st, ti->tile, var10);
02845 layout->ProcessRegisters(var10, var10_relocation, separate_ground);
02846 }
02847 tmp_rail_layout.seq = layout->GetLayout(&tmp_rail_layout.ground);
02848 t = &tmp_rail_layout;
02849 total_offset = 0;
02850 } else if (statspec != NULL) {
02851
02852 ground_relocation = relocation = GetCustomStationRelocation(statspec, st, ti->tile, 0);
02853 if (HasBit(statspec->flags, SSF_SEPARATE_GROUND)) {
02854 ground_relocation = GetCustomStationRelocation(statspec, st, ti->tile, 1);
02855 }
02856 ground_relocation += rti->fallback_railtype;
02857 }
02858
02859 SpriteID image = t->ground.sprite;
02860 PaletteID pal = t->ground.pal;
02861 RailTrackOffset overlay_offset;
02862 if (rti != NULL && rti->UsesOverlay() && SplitGroundSpriteForOverlay(ti, &image, &overlay_offset)) {
02863 SpriteID ground = GetCustomRailSprite(rti, ti->tile, RTSG_GROUND);
02864 DrawGroundSprite(image, PAL_NONE);
02865 DrawGroundSprite(ground + overlay_offset, PAL_NONE);
02866
02867 if (_game_mode != GM_MENU && _settings_client.gui.show_track_reservation && HasStationReservation(ti->tile)) {
02868 SpriteID overlay = GetCustomRailSprite(rti, ti->tile, RTSG_OVERLAY);
02869 DrawGroundSprite(overlay + overlay_offset, PALETTE_CRASH);
02870 }
02871 } else {
02872 image += HasBit(image, SPRITE_MODIFIER_CUSTOM_SPRITE) ? ground_relocation : total_offset;
02873 if (HasBit(pal, SPRITE_MODIFIER_CUSTOM_SPRITE)) pal += ground_relocation;
02874 DrawGroundSprite(image, GroundSpritePaletteTransform(image, pal, palette));
02875
02876
02877 if (_game_mode != GM_MENU && _settings_client.gui.show_track_reservation && HasStationRail(ti->tile) && HasStationReservation(ti->tile)) {
02878 const RailtypeInfo *rti = GetRailTypeInfo(GetRailType(ti->tile));
02879 DrawGroundSprite(GetRailStationAxis(ti->tile) == AXIS_X ? rti->base_sprites.single_x : rti->base_sprites.single_y, PALETTE_CRASH);
02880 }
02881 }
02882 }
02883
02884 if (HasStationRail(ti->tile) && HasCatenaryDrawn(GetRailType(ti->tile))) DrawCatenary(ti);
02885
02886 if (HasBit(roadtypes, ROADTYPE_TRAM)) {
02887 Axis axis = GetRoadStopDir(ti->tile) == DIAGDIR_NE ? AXIS_X : AXIS_Y;
02888 DrawGroundSprite((HasBit(roadtypes, ROADTYPE_ROAD) ? SPR_TRAMWAY_OVERLAY : SPR_TRAMWAY_TRAM) + (axis ^ 1), PAL_NONE);
02889 DrawTramCatenary(ti, axis == AXIS_X ? ROAD_X : ROAD_Y);
02890 }
02891
02892 if (IsRailWaypoint(ti->tile)) {
02893
02894 total_offset = 0;
02895 }
02896
02897 DrawRailTileSeq(ti, t, TO_BUILDINGS, total_offset, relocation, palette);
02898 }
02899
02900 void StationPickerDrawSprite(int x, int y, StationType st, RailType railtype, RoadType roadtype, int image)
02901 {
02902 int32 total_offset = 0;
02903 PaletteID pal = COMPANY_SPRITE_COLOUR(_local_company);
02904 const DrawTileSprites *t = GetStationTileLayout(st, image);
02905 const RailtypeInfo *rti = NULL;
02906
02907 if (railtype != INVALID_RAILTYPE) {
02908 rti = GetRailTypeInfo(railtype);
02909 total_offset = rti->GetRailtypeSpriteOffset();
02910 }
02911
02912 SpriteID img = t->ground.sprite;
02913 RailTrackOffset overlay_offset;
02914 if (rti != NULL && rti->UsesOverlay() && SplitGroundSpriteForOverlay(NULL, &img, &overlay_offset)) {
02915 SpriteID ground = GetCustomRailSprite(rti, INVALID_TILE, RTSG_GROUND);
02916 DrawSprite(img, PAL_NONE, x, y);
02917 DrawSprite(ground + overlay_offset, PAL_NONE, x, y);
02918 } else {
02919 DrawSprite(img + total_offset, HasBit(img, PALETTE_MODIFIER_COLOUR) ? pal : PAL_NONE, x, y);
02920 }
02921
02922 if (roadtype == ROADTYPE_TRAM) {
02923 DrawSprite(SPR_TRAMWAY_TRAM + (t->ground.sprite == SPR_ROAD_PAVED_STRAIGHT_X ? 1 : 0), PAL_NONE, x, y);
02924 }
02925
02926
02927 DrawRailTileSeqInGUI(x, y, t, st == STATION_WAYPOINT ? 0 : total_offset, 0, pal);
02928 }
02929
02930 static int GetSlopePixelZ_Station(TileIndex tile, uint x, uint y)
02931 {
02932 return GetTileMaxPixelZ(tile);
02933 }
02934
02935 static Foundation GetFoundation_Station(TileIndex tile, Slope tileh)
02936 {
02937 return FlatteningFoundation(tileh);
02938 }
02939
02940 static void GetTileDesc_Station(TileIndex tile, TileDesc *td)
02941 {
02942 td->owner[0] = GetTileOwner(tile);
02943 if (IsDriveThroughStopTile(tile)) {
02944 Owner road_owner = INVALID_OWNER;
02945 Owner tram_owner = INVALID_OWNER;
02946 RoadTypes rts = GetRoadTypes(tile);
02947 if (HasBit(rts, ROADTYPE_ROAD)) road_owner = GetRoadOwner(tile, ROADTYPE_ROAD);
02948 if (HasBit(rts, ROADTYPE_TRAM)) tram_owner = GetRoadOwner(tile, ROADTYPE_TRAM);
02949
02950
02951 if ((tram_owner != INVALID_OWNER && tram_owner != td->owner[0]) ||
02952 (road_owner != INVALID_OWNER && road_owner != td->owner[0])) {
02953 uint i = 1;
02954 if (road_owner != INVALID_OWNER) {
02955 td->owner_type[i] = STR_LAND_AREA_INFORMATION_ROAD_OWNER;
02956 td->owner[i] = road_owner;
02957 i++;
02958 }
02959 if (tram_owner != INVALID_OWNER) {
02960 td->owner_type[i] = STR_LAND_AREA_INFORMATION_TRAM_OWNER;
02961 td->owner[i] = tram_owner;
02962 }
02963 }
02964 }
02965 td->build_date = BaseStation::GetByTile(tile)->build_date;
02966
02967 if (HasStationTileRail(tile)) {
02968 const StationSpec *spec = GetStationSpec(tile);
02969
02970 if (spec != NULL) {
02971 td->station_class = StationClass::Get(spec->cls_id)->name;
02972 td->station_name = spec->name;
02973
02974 if (spec->grf_prop.grffile != NULL) {
02975 const GRFConfig *gc = GetGRFConfig(spec->grf_prop.grffile->grfid);
02976 td->grf = gc->GetName();
02977 }
02978 }
02979
02980 const RailtypeInfo *rti = GetRailTypeInfo(GetRailType(tile));
02981 td->rail_speed = rti->max_speed;
02982 }
02983
02984 if (IsAirport(tile)) {
02985 const AirportSpec *as = Station::GetByTile(tile)->airport.GetSpec();
02986 td->airport_class = AirportClass::Get(as->cls_id)->name;
02987 td->airport_name = as->name;
02988
02989 const AirportTileSpec *ats = AirportTileSpec::GetByTile(tile);
02990 td->airport_tile_name = ats->name;
02991
02992 if (as->grf_prop.grffile != NULL) {
02993 const GRFConfig *gc = GetGRFConfig(as->grf_prop.grffile->grfid);
02994 td->grf = gc->GetName();
02995 } else if (ats->grf_prop.grffile != NULL) {
02996 const GRFConfig *gc = GetGRFConfig(ats->grf_prop.grffile->grfid);
02997 td->grf = gc->GetName();
02998 }
02999 }
03000
03001 StringID str;
03002 switch (GetStationType(tile)) {
03003 default: NOT_REACHED();
03004 case STATION_RAIL: str = STR_LAI_STATION_DESCRIPTION_RAILROAD_STATION; break;
03005 case STATION_AIRPORT:
03006 str = (IsHangar(tile) ? STR_LAI_STATION_DESCRIPTION_AIRCRAFT_HANGAR : STR_LAI_STATION_DESCRIPTION_AIRPORT);
03007 break;
03008 case STATION_TRUCK: str = STR_LAI_STATION_DESCRIPTION_TRUCK_LOADING_AREA; break;
03009 case STATION_BUS: str = STR_LAI_STATION_DESCRIPTION_BUS_STATION; break;
03010 case STATION_OILRIG: str = STR_INDUSTRY_NAME_OIL_RIG; break;
03011 case STATION_DOCK: str = STR_LAI_STATION_DESCRIPTION_SHIP_DOCK; break;
03012 case STATION_BUOY: str = STR_LAI_STATION_DESCRIPTION_BUOY; break;
03013 case STATION_WAYPOINT: str = STR_LAI_STATION_DESCRIPTION_WAYPOINT; break;
03014 }
03015 td->str = str;
03016 }
03017
03018
03019 static TrackStatus GetTileTrackStatus_Station(TileIndex tile, TransportType mode, uint sub_mode, DiagDirection side)
03020 {
03021 TrackBits trackbits = TRACK_BIT_NONE;
03022
03023 switch (mode) {
03024 case TRANSPORT_RAIL:
03025 if (HasStationRail(tile) && !IsStationTileBlocked(tile)) {
03026 trackbits = TrackToTrackBits(GetRailStationTrack(tile));
03027 }
03028 break;
03029
03030 case TRANSPORT_WATER:
03031
03032 if (IsBuoy(tile)) {
03033 trackbits = TRACK_BIT_ALL;
03034
03035 if (TileX(tile) == 0) trackbits &= ~(TRACK_BIT_X | TRACK_BIT_UPPER | TRACK_BIT_RIGHT);
03036
03037 if (TileY(tile) == 0) trackbits &= ~(TRACK_BIT_Y | TRACK_BIT_LEFT | TRACK_BIT_UPPER);
03038 }
03039 break;
03040
03041 case TRANSPORT_ROAD:
03042 if ((GetRoadTypes(tile) & sub_mode) != 0 && IsRoadStop(tile)) {
03043 DiagDirection dir = GetRoadStopDir(tile);
03044 Axis axis = DiagDirToAxis(dir);
03045
03046 if (side != INVALID_DIAGDIR) {
03047 if (axis != DiagDirToAxis(side) || (IsStandardRoadStopTile(tile) && dir != side)) break;
03048 }
03049
03050 trackbits = AxisToTrackBits(axis);
03051 }
03052 break;
03053
03054 default:
03055 break;
03056 }
03057
03058 return CombineTrackStatus(TrackBitsToTrackdirBits(trackbits), TRACKDIR_BIT_NONE);
03059 }
03060
03061
03062 static void TileLoop_Station(TileIndex tile)
03063 {
03064
03065
03066 switch (GetStationType(tile)) {
03067 case STATION_AIRPORT:
03068 AirportTileAnimationTrigger(Station::GetByTile(tile), tile, AAT_TILELOOP);
03069 break;
03070
03071 case STATION_DOCK:
03072 if (GetTileSlope(tile) != SLOPE_FLAT) break;
03073
03074 case STATION_OILRIG:
03075 case STATION_BUOY:
03076 TileLoop_Water(tile);
03077 break;
03078
03079 default: break;
03080 }
03081 }
03082
03083
03084 static void AnimateTile_Station(TileIndex tile)
03085 {
03086 if (HasStationRail(tile)) {
03087 AnimateStationTile(tile);
03088 return;
03089 }
03090
03091 if (IsAirport(tile)) {
03092 AnimateAirportTile(tile);
03093 }
03094 }
03095
03096
03097 static bool ClickTile_Station(TileIndex tile)
03098 {
03099 const BaseStation *bst = BaseStation::GetByTile(tile);
03100
03101 if (bst->facilities & FACIL_WAYPOINT) {
03102 ShowWaypointWindow(Waypoint::From(bst));
03103 } else if (IsHangar(tile)) {
03104 const Station *st = Station::From(bst);
03105 ShowDepotWindow(st->airport.GetHangarTile(st->airport.GetHangarNum(tile)), VEH_AIRCRAFT);
03106 } else {
03107 ShowStationViewWindow(bst->index);
03108 }
03109 return true;
03110 }
03111
03112 static VehicleEnterTileStatus VehicleEnter_Station(Vehicle *v, TileIndex tile, int x, int y)
03113 {
03114 if (v->type == VEH_TRAIN) {
03115 StationID station_id = GetStationIndex(tile);
03116 if (!v->current_order.ShouldStopAtStation(v, station_id)) return VETSB_CONTINUE;
03117 if (!IsRailStation(tile) || !v->IsFrontEngine()) return VETSB_CONTINUE;
03118
03119 int station_ahead;
03120 int station_length;
03121 int stop = GetTrainStopLocation(station_id, tile, Train::From(v), &station_ahead, &station_length);
03122
03123
03124
03125
03126
03127 if (!IsInsideBS(stop + station_ahead, station_length, TILE_SIZE)) return VETSB_CONTINUE;
03128
03129 DiagDirection dir = DirToDiagDir(v->direction);
03130
03131 x &= 0xF;
03132 y &= 0xF;
03133
03134 if (DiagDirToAxis(dir) != AXIS_X) Swap(x, y);
03135 if (y == TILE_SIZE / 2) {
03136 if (dir != DIAGDIR_SE && dir != DIAGDIR_SW) x = TILE_SIZE - 1 - x;
03137 stop &= TILE_SIZE - 1;
03138
03139 if (x == stop) return VETSB_ENTERED_STATION | (VehicleEnterTileStatus)(station_id << VETS_STATION_ID_OFFSET);
03140 if (x < stop) {
03141 uint16 spd;
03142
03143 v->vehstatus |= VS_TRAIN_SLOWING;
03144 spd = max(0, (stop - x) * 20 - 15);
03145 if (spd < v->cur_speed) v->cur_speed = spd;
03146 }
03147 }
03148 } else if (v->type == VEH_ROAD) {
03149 RoadVehicle *rv = RoadVehicle::From(v);
03150 if (rv->state < RVSB_IN_ROAD_STOP && !IsReversingRoadTrackdir((Trackdir)rv->state) && rv->frame == 0) {
03151 if (IsRoadStop(tile) && rv->IsFrontEngine()) {
03152
03153 return RoadStop::GetByTile(tile, GetRoadStopType(tile))->Enter(rv) ? VETSB_CONTINUE : VETSB_CANNOT_ENTER;
03154 }
03155 }
03156 }
03157
03158 return VETSB_CONTINUE;
03159 }
03160
03165 void TriggerWatchedCargoCallbacks(Station *st)
03166 {
03167
03168 uint cargoes = 0;
03169 for (CargoID cid = 0; cid < NUM_CARGO; cid++) {
03170 if (HasBit(st->goods[cid].acceptance_pickup, GoodsEntry::GES_ACCEPTED_BIGTICK)) SetBit(cargoes, cid);
03171 }
03172
03173
03174 if (cargoes == 0) return;
03175
03176
03177 Rect r = st->GetCatchmentRect();
03178 TileArea ta(TileXY(r.left, r.top), TileXY(r.right, r.bottom));
03179 TILE_AREA_LOOP(tile, ta) {
03180 if (IsTileType(tile, MP_HOUSE)) {
03181 WatchedCargoCallback(tile, cargoes);
03182 }
03183 }
03184 }
03185
03192 static bool StationHandleBigTick(BaseStation *st)
03193 {
03194 if (!st->IsInUse()) {
03195 if (++st->delete_ctr >= 8) delete st;
03196 return false;
03197 }
03198
03199 if (Station::IsExpected(st)) {
03200 TriggerWatchedCargoCallbacks(Station::From(st));
03201
03202 for (CargoID i = 0; i < NUM_CARGO; i++) {
03203 ClrBit(Station::From(st)->goods[i].acceptance_pickup, GoodsEntry::GES_ACCEPTED_BIGTICK);
03204 }
03205 }
03206
03207
03208 if ((st->facilities & FACIL_WAYPOINT) == 0) UpdateStationAcceptance(Station::From(st), true);
03209
03210 return true;
03211 }
03212
03213 static inline void byte_inc_sat(byte *p)
03214 {
03215 byte b = *p + 1;
03216 if (b != 0) *p = b;
03217 }
03218
03219 static void UpdateStationRating(Station *st)
03220 {
03221 bool waiting_changed = false;
03222
03223 byte_inc_sat(&st->time_since_load);
03224 byte_inc_sat(&st->time_since_unload);
03225
03226 const CargoSpec *cs;
03227 FOR_ALL_CARGOSPECS(cs) {
03228 GoodsEntry *ge = &st->goods[cs->Index()];
03229
03230
03231
03232 if (!ge->HasRating() && ge->rating < INITIAL_STATION_RATING) {
03233 ge->rating++;
03234 }
03235
03236
03237 if (ge->HasRating()) {
03238 byte_inc_sat(&ge->time_since_pickup);
03239
03240 bool skip = false;
03241 int rating = 0;
03242 uint waiting = ge->cargo.TotalCount();
03243
03244
03245
03246
03247 uint num_dests = (uint)ge->cargo.Packets()->MapSize();
03248
03249
03250
03251
03252
03253
03254
03255 uint waiting_avg = waiting / (num_dests + 1);
03256
03257 if (HasBit(cs->callback_mask, CBM_CARGO_STATION_RATING_CALC)) {
03258
03259
03260
03261
03262 uint last_speed = ge->HasVehicleEverTriedLoading() ? ge->last_speed : 0xFF;
03263
03264 uint32 var18 = min(ge->time_since_pickup, 0xFF) | (min(ge->max_waiting_cargo, 0xFFFF) << 8) | (min(last_speed, 0xFF) << 24);
03265
03266 uint32 var10 = (st->last_vehicle_type == VEH_INVALID) ? 0x0 : (st->last_vehicle_type + 0x10);
03267 uint16 callback = GetCargoCallback(CBID_CARGO_STATION_RATING_CALC, var10, var18, cs);
03268 if (callback != CALLBACK_FAILED) {
03269 skip = true;
03270 rating = GB(callback, 0, 14);
03271
03272
03273 if (HasBit(callback, 14)) rating -= 0x4000;
03274 }
03275 }
03276
03277 if (!skip) {
03278 int b = ge->last_speed - 85;
03279 if (b >= 0) rating += b >> 2;
03280
03281 byte waittime = ge->time_since_pickup;
03282 if (st->last_vehicle_type == VEH_SHIP) waittime >>= 2;
03283 (waittime > 21) ||
03284 (rating += 25, waittime > 12) ||
03285 (rating += 25, waittime > 6) ||
03286 (rating += 45, waittime > 3) ||
03287 (rating += 35, true);
03288
03289 (rating -= 90, ge->max_waiting_cargo > 1500) ||
03290 (rating += 55, ge->max_waiting_cargo > 1000) ||
03291 (rating += 35, ge->max_waiting_cargo > 600) ||
03292 (rating += 10, ge->max_waiting_cargo > 300) ||
03293 (rating += 20, ge->max_waiting_cargo > 100) ||
03294 (rating += 10, true);
03295 }
03296
03297 if (Company::IsValidID(st->owner) && HasBit(st->town->statues, st->owner)) rating += 26;
03298
03299 byte age = ge->last_age;
03300 (age >= 3) ||
03301 (rating += 10, age >= 2) ||
03302 (rating += 10, age >= 1) ||
03303 (rating += 13, true);
03304
03305 {
03306 int or_ = ge->rating;
03307
03308
03309 ge->rating = rating = or_ + Clamp(Clamp(rating, 0, 255) - or_, -2, 2);
03310
03311
03312
03313 if (rating <= 64 && waiting_avg >= 100) {
03314 int dec = Random() & 0x1F;
03315 if (waiting_avg < 200) dec &= 7;
03316 waiting -= (dec + 1) * num_dests;
03317 waiting_changed = true;
03318 }
03319
03320
03321 if (rating <= 127 && waiting != 0) {
03322 uint32 r = Random();
03323 if (rating <= (int)GB(r, 0, 7)) {
03324
03325 waiting = max((int)waiting - (int)((GB(r, 8, 2) - 1) * num_dests), 0);
03326 waiting_changed = true;
03327 }
03328 }
03329
03330
03331
03332
03333 static const uint WAITING_CARGO_THRESHOLD = 1 << 12;
03334 static const uint WAITING_CARGO_CUT_FACTOR = 1 << 6;
03335 static const uint MAX_WAITING_CARGO = 1 << 15;
03336
03337 if (waiting > WAITING_CARGO_THRESHOLD) {
03338 uint difference = waiting - WAITING_CARGO_THRESHOLD;
03339 waiting -= (difference / WAITING_CARGO_CUT_FACTOR);
03340
03341 waiting = min(waiting, MAX_WAITING_CARGO);
03342 waiting_changed = true;
03343 }
03344
03345
03346
03347 if (waiting_changed && waiting < ge->cargo.AvailableCount()) {
03348
03349
03350 ge->max_waiting_cargo = 0;
03351
03352
03353
03354
03355 StationCargoAmountMap waiting_per_source;
03356 ge->cargo.Truncate(ge->cargo.AvailableCount() - waiting, &waiting_per_source);
03357 for (StationCargoAmountMap::iterator i(waiting_per_source.begin()); i != waiting_per_source.end(); ++i) {
03358 Station *source_station = Station::GetIfValid(i->first);
03359 if (source_station == NULL) continue;
03360
03361 GoodsEntry &source_ge = source_station->goods[cs->Index()];
03362 source_ge.max_waiting_cargo = max(source_ge.max_waiting_cargo, i->second);
03363 }
03364 } else {
03365
03366 ge->max_waiting_cargo = waiting_avg;
03367 }
03368 }
03369 }
03370 }
03371
03372 StationID index = st->index;
03373 if (waiting_changed) {
03374 SetWindowDirty(WC_STATION_VIEW, index);
03375 } else {
03376 SetWindowWidgetDirty(WC_STATION_VIEW, index, WID_SV_ACCEPT_RATING_LIST);
03377 }
03378 }
03379
03388 void DeleteStaleLinks(Station *from)
03389 {
03390 for (CargoID c = 0; c < NUM_CARGO; ++c) {
03391 GoodsEntry &ge = from->goods[c];
03392 LinkGraph *lg = LinkGraph::GetIfValid(ge.link_graph);
03393 if (lg == NULL) continue;
03394 Node node = (*lg)[ge.node];
03395 for (EdgeIterator it(node.Begin()); it != node.End();) {
03396 Edge edge = it->second;
03397 Station *to = Station::Get((*lg)[it->first].Station());
03398 assert(to->goods[c].node == it->first);
03399 ++it;
03400 assert(_date >= edge.LastUpdate());
03401 uint timeout = LinkGraph::MIN_TIMEOUT_DISTANCE +
03402 (DistanceManhattan(from->xy, to->xy) >> 3);
03403 if ((uint)(_date - edge.LastUpdate()) > timeout) {
03404
03405
03406 Vehicle *v;
03407 FOR_ALL_VEHICLES(v) {
03408
03409
03410
03411 if (!v->IsPrimaryVehicle()) continue;
03412 const Order *order;
03413 bool found_from = false;
03414 bool found_to = false;
03415 FOR_VEHICLE_ORDERS(v, order) {
03416 if (!order->IsType(OT_GOTO_STATION) && !order->IsType(OT_IMPLICIT)) continue;
03417 if (order->GetDestination() == from->index) {
03418 if (found_to) {
03419 v->RefreshNextHopsStats();
03420 break;
03421 }
03422 found_from = true;
03423 } else if (order->GetDestination() == to->index) {
03424 if (found_from) {
03425 v->RefreshNextHopsStats();
03426 break;
03427 }
03428 found_to = true;
03429 }
03430 }
03431 }
03432 if ((uint)(_date - edge.LastUpdate()) > timeout) {
03433
03434 node.RemoveEdge(to->goods[c].node);
03435 ge.flows.DeleteFlows(to->index);
03436 ge.cargo.Reroute(UINT_MAX, &ge.cargo, to->index, from->index, &ge);
03437 }
03438 }
03439 }
03440 assert(_date >= lg->LastCompression());
03441 if ((uint)(_date - lg->LastCompression()) > LinkGraph::COMPRESSION_INTERVAL) {
03442 lg->Compress();
03443 }
03444 }
03445 }
03446
03455 void IncreaseStats(Station *st, CargoID cargo, StationID next_station_id, uint capacity, uint usage)
03456 {
03457 GoodsEntry &ge1 = st->goods[cargo];
03458 Station *st2 = Station::Get(next_station_id);
03459 GoodsEntry &ge2 = st2->goods[cargo];
03460 LinkGraph *lg = NULL;
03461 if (ge1.link_graph == INVALID_LINK_GRAPH) {
03462 if (ge2.link_graph == INVALID_LINK_GRAPH) {
03463 if (LinkGraph::CanAllocateItem()) {
03464 lg = new LinkGraph(cargo);
03465 LinkGraphSchedule::Instance()->Queue(lg);
03466 ge2.link_graph = lg->index;
03467 ge2.node = lg->AddNode(st2);
03468 } else {
03469 DEBUG(misc, 0, "Can't allocate link graph");
03470 }
03471 } else {
03472 lg = LinkGraph::Get(ge2.link_graph);
03473 }
03474 if (lg) {
03475 ge1.link_graph = lg->index;
03476 ge1.node = lg->AddNode(st);
03477 }
03478 } else if (ge2.link_graph == INVALID_LINK_GRAPH) {
03479 lg = LinkGraph::Get(ge1.link_graph);
03480 ge2.link_graph = lg->index;
03481 ge2.node = lg->AddNode(st2);
03482 } else {
03483 lg = LinkGraph::Get(ge1.link_graph);
03484 if (ge1.link_graph != ge2.link_graph) {
03485 LinkGraph *lg2 = LinkGraph::Get(ge2.link_graph);
03486 if (lg->Size() < lg2->Size()) {
03487 LinkGraphSchedule::Instance()->Unqueue(lg);
03488 lg2->Merge(lg);
03489 lg = lg2;
03490 } else {
03491 LinkGraphSchedule::Instance()->Unqueue(lg2);
03492 lg->Merge(lg2);
03493 }
03494 }
03495 }
03496 if (lg != NULL) {
03497 (*lg)[ge1.node].UpdateEdge(ge2.node, capacity, usage);
03498 }
03499 }
03500
03507 void IncreaseStats(Station *st, const Vehicle *front, StationID next_station_id)
03508 {
03509 for (const Vehicle *v = front; v != NULL; v = v->Next()) {
03510 if (v->refit_cap > 0) {
03511
03512
03513
03514
03515
03516
03517 IncreaseStats(st, v->cargo_type, next_station_id, v->refit_cap,
03518 min(v->refit_cap, v->cargo.StoredCount()));
03519 }
03520 }
03521 }
03522
03523
03524 static void StationHandleSmallTick(BaseStation *st)
03525 {
03526 if ((st->facilities & FACIL_WAYPOINT) != 0 || !st->IsInUse()) return;
03527
03528 byte b = st->delete_ctr + 1;
03529 if (b >= STATION_RATING_TICKS) b = 0;
03530 st->delete_ctr = b;
03531
03532 if (b == 0) UpdateStationRating(Station::From(st));
03533 }
03534
03535 void OnTick_Station()
03536 {
03537 if (_game_mode == GM_EDITOR) return;
03538
03539 BaseStation *st;
03540 FOR_ALL_BASE_STATIONS(st) {
03541 StationHandleSmallTick(st);
03542
03543
03544 if (Station::IsExpected(st) && (_tick_counter + st->index) % STATION_LINKGRAPH_TICKS == 0) {
03545 DeleteStaleLinks(Station::From(st));
03546 };
03547
03548
03549
03550
03551 if ((_tick_counter + st->index) % STATION_ACCEPTANCE_TICKS == 0) {
03552
03553 if (!StationHandleBigTick(st)) continue;
03554 TriggerStationAnimation(st, st->xy, SAT_250_TICKS);
03555 if (Station::IsExpected(st)) AirportAnimationTrigger(Station::From(st), AAT_STATION_250_TICKS);
03556 }
03557 }
03558 }
03559
03561 void StationMonthlyLoop()
03562 {
03563 Station *st;
03564
03565 FOR_ALL_STATIONS(st) {
03566 for (CargoID i = 0; i < NUM_CARGO; i++) {
03567 GoodsEntry *ge = &st->goods[i];
03568 SB(ge->acceptance_pickup, GoodsEntry::GES_LAST_MONTH, 1, GB(ge->acceptance_pickup, GoodsEntry::GES_CURRENT_MONTH, 1));
03569 ClrBit(ge->acceptance_pickup, GoodsEntry::GES_CURRENT_MONTH);
03570 }
03571 }
03572 }
03573
03574
03575 void ModifyStationRatingAround(TileIndex tile, Owner owner, int amount, uint radius)
03576 {
03577 Station *st;
03578
03579 FOR_ALL_STATIONS(st) {
03580 if (st->owner == owner &&
03581 DistanceManhattan(tile, st->xy) <= radius) {
03582 for (CargoID i = 0; i < NUM_CARGO; i++) {
03583 GoodsEntry *ge = &st->goods[i];
03584
03585 if (ge->acceptance_pickup != 0) {
03586 ge->rating = Clamp(ge->rating + amount, 0, 255);
03587 }
03588 }
03589 }
03590 }
03591 }
03592
03593 static uint UpdateStationWaiting(Station *st, CargoID type, uint amount, SourceType source_type, SourceID source_id)
03594 {
03595
03596
03597 if (!CargoPacket::CanAllocateItem()) return 0;
03598
03599 GoodsEntry &ge = st->goods[type];
03600 amount += ge.amount_fract;
03601 ge.amount_fract = GB(amount, 0, 8);
03602
03603 amount >>= 8;
03604
03605 if (amount == 0) return 0;
03606
03607 StationID next = ge.GetVia(st->index);
03608 ge.cargo.Append(new CargoPacket(st->index, st->xy, amount, source_type, source_id), next);
03609 LinkGraph *lg = NULL;
03610 if (ge.link_graph == INVALID_LINK_GRAPH) {
03611 if (LinkGraph::CanAllocateItem()) {
03612 lg = new LinkGraph(type);
03613 LinkGraphSchedule::Instance()->Queue(lg);
03614 ge.link_graph = lg->index;
03615 ge.node = lg->AddNode(st);
03616 } else {
03617 DEBUG(misc, 0, "Can't allocate link graph");
03618 }
03619 } else {
03620 lg = LinkGraph::Get(ge.link_graph);
03621 }
03622 if (lg != NULL) (*lg)[ge.node].UpdateSupply(amount);
03623
03624 if (!ge.HasRating()) {
03625 InvalidateWindowData(WC_STATION_LIST, st->index);
03626 SetBit(ge.acceptance_pickup, GoodsEntry::GES_PICKUP);
03627 }
03628
03629 TriggerStationRandomisation(st, st->xy, SRT_NEW_CARGO, type);
03630 TriggerStationAnimation(st, st->xy, SAT_NEW_CARGO, type);
03631 AirportAnimationTrigger(st, AAT_STATION_NEW_CARGO, type);
03632
03633 SetWindowDirty(WC_STATION_VIEW, st->index);
03634 st->MarkTilesDirty(true);
03635 return amount;
03636 }
03637
03638 static bool IsUniqueStationName(const char *name)
03639 {
03640 const Station *st;
03641
03642 FOR_ALL_STATIONS(st) {
03643 if (st->name != NULL && strcmp(st->name, name) == 0) return false;
03644 }
03645
03646 return true;
03647 }
03648
03658 CommandCost CmdRenameStation(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
03659 {
03660 Station *st = Station::GetIfValid(p1);
03661 if (st == NULL) return CMD_ERROR;
03662
03663 CommandCost ret = CheckOwnership(st->owner);
03664 if (ret.Failed()) return ret;
03665
03666 bool reset = StrEmpty(text);
03667
03668 if (!reset) {
03669 if (Utf8StringLength(text) >= MAX_LENGTH_STATION_NAME_CHARS) return CMD_ERROR;
03670 if (!IsUniqueStationName(text)) return_cmd_error(STR_ERROR_NAME_MUST_BE_UNIQUE);
03671 }
03672
03673 if (flags & DC_EXEC) {
03674 free(st->name);
03675 st->name = reset ? NULL : strdup(text);
03676
03677 st->UpdateVirtCoord();
03678 InvalidateWindowData(WC_STATION_LIST, st->owner, 1);
03679 }
03680
03681 return CommandCost();
03682 }
03683
03690 void FindStationsAroundTiles(const TileArea &location, StationList *stations)
03691 {
03692
03693 uint max_rad = (_settings_game.station.modified_catchment ? MAX_CATCHMENT : CA_UNMODIFIED);
03694
03695 uint x = TileX(location.tile);
03696 uint y = TileY(location.tile);
03697
03698 uint min_x = (x > max_rad) ? x - max_rad : 0;
03699 uint max_x = x + location.w + max_rad;
03700 uint min_y = (y > max_rad) ? y - max_rad : 0;
03701 uint max_y = y + location.h + max_rad;
03702
03703 if (min_x == 0 && _settings_game.construction.freeform_edges) min_x = 1;
03704 if (min_y == 0 && _settings_game.construction.freeform_edges) min_y = 1;
03705 if (max_x >= MapSizeX()) max_x = MapSizeX() - 1;
03706 if (max_y >= MapSizeY()) max_y = MapSizeY() - 1;
03707
03708 for (uint cy = min_y; cy < max_y; cy++) {
03709 for (uint cx = min_x; cx < max_x; cx++) {
03710 TileIndex cur_tile = TileXY(cx, cy);
03711 if (!IsTileType(cur_tile, MP_STATION)) continue;
03712
03713 Station *st = Station::GetByTile(cur_tile);
03714
03715 if (st == NULL) continue;
03716
03717 if (_settings_game.station.modified_catchment) {
03718 int rad = st->GetCatchmentRadius();
03719 int rad_x = cx - x;
03720 int rad_y = cy - y;
03721
03722 if (rad_x < -rad || rad_x >= rad + location.w) continue;
03723 if (rad_y < -rad || rad_y >= rad + location.h) continue;
03724 }
03725
03726
03727
03728
03729 stations->Include(st);
03730 }
03731 }
03732 }
03733
03738 const StationList *StationFinder::GetStations()
03739 {
03740 if (this->tile != INVALID_TILE) {
03741 FindStationsAroundTiles(*this, &this->stations);
03742 this->tile = INVALID_TILE;
03743 }
03744 return &this->stations;
03745 }
03746
03747 uint MoveGoodsToStation(CargoID type, uint amount, SourceType source_type, SourceID source_id, const StationList *all_stations)
03748 {
03749
03750 if (amount == 0) return 0;
03751
03752 Station *st1 = NULL;
03753 Station *st2 = NULL;
03754 uint best_rating1 = 0;
03755 uint best_rating2 = 0;
03756
03757 for (Station * const *st_iter = all_stations->Begin(); st_iter != all_stations->End(); ++st_iter) {
03758 Station *st = *st_iter;
03759
03760
03761 if (st->town->exclusive_counter > 0 && st->town->exclusivity != st->owner) continue;
03762
03763 if (st->goods[type].rating == 0) continue;
03764
03765 if (_settings_game.order.selectgoods && !st->goods[type].HasVehicleEverTriedLoading()) continue;
03766
03767 if (IsCargoInClass(type, CC_PASSENGERS)) {
03768 if (st->facilities == FACIL_TRUCK_STOP) continue;
03769 } else {
03770 if (st->facilities == FACIL_BUS_STOP) continue;
03771 }
03772
03773
03774 if (st1 == NULL || st->goods[type].rating >= best_rating1) {
03775 st2 = st1; best_rating2 = best_rating1; st1 = st; best_rating1 = st->goods[type].rating;
03776 } else if (st2 == NULL || st->goods[type].rating >= best_rating2) {
03777 st2 = st; best_rating2 = st->goods[type].rating;
03778 }
03779 }
03780
03781
03782 if (st1 == NULL) return 0;
03783
03784
03785
03786 amount *= best_rating1 + 1;
03787
03788 if (st2 == NULL) {
03789
03790 return UpdateStationWaiting(st1, type, amount, source_type, source_id);
03791 }
03792
03793
03794 assert(st1 != NULL);
03795 assert(st2 != NULL);
03796 assert(best_rating1 != 0 || best_rating2 != 0);
03797
03798
03799
03800
03801
03802
03803 uint worst_cargo = amount * best_rating2 / (best_rating1 + best_rating2);
03804 assert(worst_cargo <= (amount - worst_cargo));
03805
03806
03807 uint moved = UpdateStationWaiting(st1, type, amount - worst_cargo, source_type, source_id);
03808
03809
03810 return moved + UpdateStationWaiting(st2, type, worst_cargo, source_type, source_id);
03811 }
03812
03813 void BuildOilRig(TileIndex tile)
03814 {
03815 if (!Station::CanAllocateItem()) {
03816 DEBUG(misc, 0, "Can't allocate station for oilrig at 0x%X, reverting to oilrig only", tile);
03817 return;
03818 }
03819
03820 Station *st = new Station(tile);
03821 st->town = ClosestTownFromTile(tile, UINT_MAX);
03822
03823 st->string_id = GenerateStationName(st, tile, STATIONNAMING_OILRIG);
03824
03825 assert(IsTileType(tile, MP_INDUSTRY));
03826 DeleteAnimatedTile(tile);
03827 MakeOilrig(tile, st->index, GetWaterClass(tile));
03828
03829 st->owner = OWNER_NONE;
03830 st->airport.type = AT_OILRIG;
03831 st->airport.Add(tile);
03832 st->dock_tile = tile;
03833 st->facilities = FACIL_AIRPORT | FACIL_DOCK;
03834 st->build_date = _date;
03835
03836 st->rect.BeforeAddTile(tile, StationRect::ADD_FORCE);
03837
03838 st->UpdateVirtCoord();
03839 UpdateStationAcceptance(st, false);
03840 st->RecomputeIndustriesNear();
03841 }
03842
03843 void DeleteOilRig(TileIndex tile)
03844 {
03845 Station *st = Station::GetByTile(tile);
03846
03847 MakeWaterKeepingClass(tile, OWNER_NONE);
03848
03849 st->dock_tile = INVALID_TILE;
03850 st->airport.Clear();
03851 st->facilities &= ~(FACIL_AIRPORT | FACIL_DOCK);
03852 st->airport.flags = 0;
03853
03854 st->rect.AfterRemoveTile(st, tile);
03855
03856 st->UpdateVirtCoord();
03857 st->RecomputeIndustriesNear();
03858 if (!st->IsInUse()) delete st;
03859 }
03860
03861 static void ChangeTileOwner_Station(TileIndex tile, Owner old_owner, Owner new_owner)
03862 {
03863 if (IsRoadStopTile(tile)) {
03864 for (RoadType rt = ROADTYPE_ROAD; rt < ROADTYPE_END; rt++) {
03865
03866 if (GetRoadOwner(tile, rt) == old_owner) {
03867 if (HasTileRoadType(tile, rt)) {
03868
03869 Company::Get(old_owner)->infrastructure.road[rt] -= 2;
03870 if (new_owner != INVALID_OWNER) Company::Get(new_owner)->infrastructure.road[rt] += 2;
03871 }
03872 SetRoadOwner(tile, rt, new_owner == INVALID_OWNER ? OWNER_NONE : new_owner);
03873 }
03874 }
03875 }
03876
03877 if (!IsTileOwner(tile, old_owner)) return;
03878
03879 if (new_owner != INVALID_OWNER) {
03880
03881
03882
03883
03884 Company *old_company = Company::Get(old_owner);
03885 Company *new_company = Company::Get(new_owner);
03886
03887
03888 switch (GetStationType(tile)) {
03889 case STATION_RAIL:
03890 case STATION_WAYPOINT:
03891 if (!IsStationTileBlocked(tile)) {
03892 old_company->infrastructure.rail[GetRailType(tile)]--;
03893 new_company->infrastructure.rail[GetRailType(tile)]++;
03894 }
03895 break;
03896
03897 case STATION_BUS:
03898 case STATION_TRUCK:
03899
03900 break;
03901
03902 case STATION_BUOY:
03903 case STATION_DOCK:
03904 if (GetWaterClass(tile) == WATER_CLASS_CANAL) {
03905 old_company->infrastructure.water--;
03906 new_company->infrastructure.water++;
03907 }
03908 break;
03909
03910 default:
03911 break;
03912 }
03913
03914
03915 if (!IsBuoy(tile) && !IsAirport(tile)) {
03916 old_company->infrastructure.station--;
03917 new_company->infrastructure.station++;
03918 }
03919
03920
03921 SetTileOwner(tile, new_owner);
03922 InvalidateWindowClassesData(WC_STATION_LIST, 0);
03923 } else {
03924 if (IsDriveThroughStopTile(tile)) {
03925
03926 DoCommand(tile, 1 | 1 << 8, (GetStationType(tile) == STATION_TRUCK) ? ROADSTOP_TRUCK : ROADSTOP_BUS, DC_EXEC | DC_BANKRUPT, CMD_REMOVE_ROAD_STOP);
03927 assert(IsTileType(tile, MP_ROAD));
03928
03929 ChangeTileOwner(tile, old_owner, new_owner);
03930 } else {
03931 DoCommand(tile, 0, 0, DC_EXEC | DC_BANKRUPT, CMD_LANDSCAPE_CLEAR);
03932
03933
03934
03935 if ((IsTileType(tile, MP_WATER) || IsBuoyTile(tile)) && IsTileOwner(tile, old_owner)) SetTileOwner(tile, OWNER_NONE);
03936 }
03937 }
03938 }
03939
03948 static bool CanRemoveRoadWithStop(TileIndex tile, DoCommandFlag flags)
03949 {
03950
03951 if (_current_company == OWNER_WATER) return true;
03952
03953 RoadTypes rts = GetRoadTypes(tile);
03954 if (HasBit(rts, ROADTYPE_TRAM)) {
03955 Owner tram_owner = GetRoadOwner(tile, ROADTYPE_TRAM);
03956 if (tram_owner != OWNER_NONE && CheckOwnership(tram_owner).Failed()) return false;
03957 }
03958 if (HasBit(rts, ROADTYPE_ROAD)) {
03959 Owner road_owner = GetRoadOwner(tile, ROADTYPE_ROAD);
03960 if (road_owner != OWNER_TOWN) {
03961 if (road_owner != OWNER_NONE && CheckOwnership(road_owner).Failed()) return false;
03962 } else {
03963 if (CheckAllowRemoveRoad(tile, GetAnyRoadBits(tile, ROADTYPE_ROAD), OWNER_TOWN, ROADTYPE_ROAD, flags).Failed()) return false;
03964 }
03965 }
03966
03967 return true;
03968 }
03969
03976 CommandCost ClearTile_Station(TileIndex tile, DoCommandFlag flags)
03977 {
03978 if (flags & DC_AUTO) {
03979 switch (GetStationType(tile)) {
03980 default: break;
03981 case STATION_RAIL: return_cmd_error(STR_ERROR_MUST_DEMOLISH_RAILROAD);
03982 case STATION_WAYPOINT: return_cmd_error(STR_ERROR_BUILDING_MUST_BE_DEMOLISHED);
03983 case STATION_AIRPORT: return_cmd_error(STR_ERROR_MUST_DEMOLISH_AIRPORT_FIRST);
03984 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);
03985 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);
03986 case STATION_BUOY: return_cmd_error(STR_ERROR_BUOY_IN_THE_WAY);
03987 case STATION_DOCK: return_cmd_error(STR_ERROR_MUST_DEMOLISH_DOCK_FIRST);
03988 case STATION_OILRIG:
03989 SetDParam(1, STR_INDUSTRY_NAME_OIL_RIG);
03990 return_cmd_error(STR_ERROR_GENERIC_OBJECT_IN_THE_WAY);
03991 }
03992 }
03993
03994 switch (GetStationType(tile)) {
03995 case STATION_RAIL: return RemoveRailStation(tile, flags);
03996 case STATION_WAYPOINT: return RemoveRailWaypoint(tile, flags);
03997 case STATION_AIRPORT: return RemoveAirport(tile, flags);
03998 case STATION_TRUCK:
03999 if (IsDriveThroughStopTile(tile) && !CanRemoveRoadWithStop(tile, flags)) {
04000 return_cmd_error(STR_ERROR_MUST_DEMOLISH_TRUCK_STATION_FIRST);
04001 }
04002 return RemoveRoadStop(tile, flags);
04003 case STATION_BUS:
04004 if (IsDriveThroughStopTile(tile) && !CanRemoveRoadWithStop(tile, flags)) {
04005 return_cmd_error(STR_ERROR_MUST_DEMOLISH_BUS_STATION_FIRST);
04006 }
04007 return RemoveRoadStop(tile, flags);
04008 case STATION_BUOY: return RemoveBuoy(tile, flags);
04009 case STATION_DOCK: return RemoveDock(tile, flags);
04010 default: break;
04011 }
04012
04013 return CMD_ERROR;
04014 }
04015
04016 static CommandCost TerraformTile_Station(TileIndex tile, DoCommandFlag flags, int z_new, Slope tileh_new)
04017 {
04018 if (_settings_game.construction.build_on_slopes && AutoslopeEnabled()) {
04019
04020
04021
04022 if (GetTileMaxZ(tile) == z_new + GetSlopeMaxZ(tileh_new)) {
04023 switch (GetStationType(tile)) {
04024 case STATION_WAYPOINT:
04025 case STATION_RAIL: {
04026 DiagDirection direction = AxisToDiagDir(GetRailStationAxis(tile));
04027 if (!AutoslopeCheckForEntranceEdge(tile, z_new, tileh_new, direction)) break;
04028 if (!AutoslopeCheckForEntranceEdge(tile, z_new, tileh_new, ReverseDiagDir(direction))) break;
04029 return CommandCost(EXPENSES_CONSTRUCTION, _price[PR_BUILD_FOUNDATION]);
04030 }
04031
04032 case STATION_AIRPORT:
04033 return CommandCost(EXPENSES_CONSTRUCTION, _price[PR_BUILD_FOUNDATION]);
04034
04035 case STATION_TRUCK:
04036 case STATION_BUS: {
04037 DiagDirection direction = GetRoadStopDir(tile);
04038 if (!AutoslopeCheckForEntranceEdge(tile, z_new, tileh_new, direction)) break;
04039 if (IsDriveThroughStopTile(tile)) {
04040 if (!AutoslopeCheckForEntranceEdge(tile, z_new, tileh_new, ReverseDiagDir(direction))) break;
04041 }
04042 return CommandCost(EXPENSES_CONSTRUCTION, _price[PR_BUILD_FOUNDATION]);
04043 }
04044
04045 default: break;
04046 }
04047 }
04048 }
04049 return DoCommand(tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR);
04050 }
04051
04057 uint FlowStat::GetShare(StationID st) const
04058 {
04059 uint32 prev = 0;
04060 for (SharesMap::const_iterator it = this->shares.begin(); it != this->shares.end(); ++it) {
04061 if (it->second == st) {
04062 return it->first - prev;
04063 } else {
04064 prev = it->first;
04065 }
04066 }
04067 return 0;
04068 }
04069
04075 StationID FlowStat::GetVia(StationID excluded, StationID excluded2) const
04076 {
04077 assert(!this->shares.empty());
04078 uint max = (--this->shares.end())->first - 1;
04079 SharesMap::const_iterator it = this->shares.upper_bound(RandomRange(max));
04080 assert(it != this->shares.end());
04081 if (it->second != excluded && it->second != excluded2) return it->second;
04082
04083
04084
04085
04086 uint end = it->first;
04087 uint begin = (it == this->shares.begin() ? 0 : (--it)->first);
04088 uint interval = end - begin;
04089 if (interval > max) return INVALID_STATION;
04090 uint new_max = max - interval;
04091 uint rand = RandomRange(new_max);
04092 SharesMap::const_iterator it2 = (rand < begin) ? this->shares.upper_bound(rand) :
04093 this->shares.upper_bound(rand + interval);
04094 assert(it2 != this->shares.end());
04095 if (it2->second != excluded && it2->second != excluded2) return it2->second;
04096
04097
04098
04099
04100 uint end2 = it2->first;
04101 uint begin2 = (it2 == this->shares.begin() ? 0 : (--it2)->first);
04102 uint interval2 = end2 - begin2;
04103 if (interval2 > new_max) return INVALID_STATION;
04104 new_max -= interval2;
04105 if (begin > begin2) {
04106 Swap(begin, begin2);
04107 Swap(end, end2);
04108 Swap(interval, interval2);
04109 }
04110 rand = RandomRange(new_max);
04111 SharesMap::const_iterator it3 = this->shares.end();
04112 if (rand < begin) {
04113 it3 = this->shares.upper_bound(rand);
04114 } else if (rand < begin2 - interval) {
04115 it3 = this->shares.upper_bound(rand + interval);
04116 } else {
04117 it3 = this->shares.upper_bound(rand + interval + interval2);
04118 }
04119 assert(it3 != this->shares.end());
04120 return it3->second;
04121
04122 }
04123
04130 void FlowStat::ChangeShare(StationID st, int flow)
04131 {
04132
04133
04134 assert(!this->shares.empty());
04135
04136 int32 added_shares = 0;
04137 uint32 last_share = 0;
04138 SharesMap new_shares;
04139 for (SharesMap::iterator it(this->shares.begin()); it != this->shares.end(); ++it) {
04140 if (it->second == st) {
04141 uint share = it->first - last_share;
04142 int change = flow - added_shares;
04143 uint new_share = (change < 0 && (uint)(-change) > share) ? 0 : share + change;
04144 added_shares -= share;
04145 added_shares += new_share;
04146 if (new_share > 0) {
04147 new_shares[it->first + added_shares] = it->second;
04148 }
04149 } else {
04150 new_shares[it->first + added_shares] = it->second;
04151 }
04152 last_share = it->first;
04153 }
04154 if (flow > added_shares) {
04155 new_shares[last_share + flow - added_shares] = st;
04156 }
04157 this->shares.swap(new_shares);
04158 }
04159
04166 void FlowStatMap::AddFlow(StationID origin, StationID via, uint flow)
04167 {
04168 FlowStatMap::iterator origin_it = this->find(origin);
04169 if (origin_it == this->end()) {
04170 this->insert(std::make_pair(origin, FlowStat(via, flow)));
04171 } else {
04172 origin_it->second.ChangeShare(via, flow);
04173 assert(!origin_it->second.GetShares()->empty());
04174 }
04175 }
04176
04185 void FlowStatMap::PassOnFlow(StationID origin, StationID via, uint flow)
04186 {
04187 FlowStatMap::iterator prev_it = this->find(origin);
04188 if (prev_it == this->end()) {
04189 FlowStat fs(via, flow);
04190 fs.AppendShare(INVALID_STATION, flow);
04191 this->insert(std::make_pair(origin, fs));
04192 } else {
04193 prev_it->second.ChangeShare(via, flow);
04194 prev_it->second.ChangeShare(INVALID_STATION, flow);
04195 assert(!prev_it->second.GetShares()->empty());
04196 }
04197 }
04198
04203 void FlowStatMap::FinalizeLocalConsumption(StationID self)
04204 {
04205 for (FlowStatMap::iterator i = this->begin(); i != this->end(); ++i) {
04206 FlowStat &fs = i->second;
04207 uint local = fs.GetShare(INVALID_STATION);
04208 fs.ChangeShare(self, -local);
04209 fs.ChangeShare(INVALID_STATION, -local);
04210
04211
04212
04213 assert(!fs.GetShares()->empty());
04214 }
04215 }
04216
04221 void FlowStatMap::DeleteFlows(StationID via)
04222 {
04223 for (FlowStatMap::iterator f_it = this->begin(); f_it != this->end();) {
04224 FlowStat &s_flows = f_it->second;
04225 s_flows.ChangeShare(via, INT_MIN);
04226 if (s_flows.GetShares()->empty()) {
04227 this->erase(f_it++);
04228 } else {
04229 ++f_it;
04230 }
04231 }
04232 }
04233
04239 uint GoodsEntry::GetSumFlowVia(StationID via) const
04240 {
04241 uint ret = 0;
04242 for (FlowStatMap::const_iterator i = this->flows.begin(); i != this->flows.end(); ++i) {
04243 ret += i->second.GetShare(via);
04244 }
04245 return ret;
04246 }
04247
04248 extern const TileTypeProcs _tile_type_station_procs = {
04249 DrawTile_Station,
04250 GetSlopePixelZ_Station,
04251 ClearTile_Station,
04252 NULL,
04253 GetTileDesc_Station,
04254 GetTileTrackStatus_Station,
04255 ClickTile_Station,
04256 AnimateTile_Station,
04257 TileLoop_Station,
04258 ChangeTileOwner_Station,
04259 NULL,
04260 VehicleEnter_Station,
04261 GetFoundation_Station,
04262 TerraformTile_Station,
04263 };