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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 DiagDirection dir = AxisToDiagDir(axis);
01326 TileIndexDiff tile_offset = TileOffsByDiagDir(dir);
01327 TileIndex platform_begin = tile;
01328 TileIndex platform_end = tile;
01329
01330
01331 for (TileIndex next_tile = platform_begin - tile_offset; IsCompatibleTrainStationTile(next_tile, platform_begin); next_tile -= tile_offset) {
01332 platform_begin = next_tile;
01333 }
01334 for (TileIndex next_tile = platform_end + tile_offset; IsCompatibleTrainStationTile(next_tile, platform_end); next_tile += tile_offset) {
01335 platform_end = next_tile;
01336 }
01337
01338
01339 bool reservation = false;
01340 for (TileIndex t = platform_begin; !reservation && t <= platform_end; t += tile_offset) {
01341 reservation = HasStationReservation(t);
01342 }
01343
01344 if (reservation) {
01345 SetRailStationPlatformReservation(platform_begin, dir, true);
01346 }
01347 }
01348
01349 st->MarkTilesDirty(false);
01350 st->UpdateVirtCoord();
01351 UpdateStationAcceptance(st, false);
01352 st->RecomputeIndustriesNear();
01353 InvalidateWindowData(WC_SELECT_STATION, 0, 0);
01354 InvalidateWindowData(WC_STATION_LIST, st->owner, 0);
01355 SetWindowWidgetDirty(WC_STATION_VIEW, st->index, WID_SV_TRAINS);
01356 DirtyCompanyInfrastructureWindows(st->owner);
01357 }
01358
01359 return cost;
01360 }
01361
01362 static void MakeRailStationAreaSmaller(BaseStation *st)
01363 {
01364 TileArea ta = st->train_station;
01365
01366 restart:
01367
01368
01369 if (ta.w != 0 && ta.h != 0) {
01370
01371 for (uint i = 0; !st->TileBelongsToRailStation(ta.tile + TileDiffXY(0, i));) {
01372
01373 if (++i == ta.h) {
01374 ta.tile += TileDiffXY(1, 0);
01375 ta.w--;
01376 goto restart;
01377 }
01378 }
01379
01380
01381 for (uint i = 0; !st->TileBelongsToRailStation(ta.tile + TileDiffXY(ta.w - 1, i));) {
01382
01383 if (++i == ta.h) {
01384 ta.w--;
01385 goto restart;
01386 }
01387 }
01388
01389
01390 for (uint i = 0; !st->TileBelongsToRailStation(ta.tile + TileDiffXY(i, 0));) {
01391
01392 if (++i == ta.w) {
01393 ta.tile += TileDiffXY(0, 1);
01394 ta.h--;
01395 goto restart;
01396 }
01397 }
01398
01399
01400 for (uint i = 0; !st->TileBelongsToRailStation(ta.tile + TileDiffXY(i, ta.h - 1));) {
01401
01402 if (++i == ta.w) {
01403 ta.h--;
01404 goto restart;
01405 }
01406 }
01407 } else {
01408 ta.Clear();
01409 }
01410
01411 st->train_station = ta;
01412 }
01413
01424 template <class T>
01425 CommandCost RemoveFromRailBaseStation(TileArea ta, SmallVector<T *, 4> &affected_stations, DoCommandFlag flags, Money removal_cost, bool keep_rail)
01426 {
01427
01428 int quantity = 0;
01429 CommandCost total_cost(EXPENSES_CONSTRUCTION);
01430
01431
01432 TILE_AREA_LOOP(tile, ta) {
01433
01434 if (!HasStationTileRail(tile)) continue;
01435
01436
01437 CommandCost ret = EnsureNoVehicleOnGround(tile);
01438 if (ret.Failed()) continue;
01439
01440
01441 T *st = T::GetByTile(tile);
01442 if (st == NULL) continue;
01443
01444 if (_current_company != OWNER_WATER) {
01445 CommandCost ret = CheckOwnership(st->owner);
01446 if (ret.Failed()) continue;
01447 }
01448
01449
01450 quantity++;
01451
01452 if (keep_rail || IsStationTileBlocked(tile)) {
01453
01454
01455 total_cost.AddCost(-_price[PR_CLEAR_RAIL]);
01456 }
01457
01458 if (flags & DC_EXEC) {
01459
01460 uint specindex = GetCustomStationSpecIndex(tile);
01461 Track track = GetRailStationTrack(tile);
01462 Owner owner = GetTileOwner(tile);
01463 RailType rt = GetRailType(tile);
01464 Train *v = NULL;
01465
01466 if (HasStationReservation(tile)) {
01467 v = GetTrainForReservation(tile, track);
01468 if (v != NULL) {
01469
01470 FreeTrainTrackReservation(v);
01471 if (IsRailStationTile(v->tile)) SetRailStationPlatformReservation(v->tile, TrackdirToExitdir(v->GetVehicleTrackdir()), false);
01472 Vehicle *temp = v;
01473 for (; temp->Next() != NULL; temp = temp->Next()) { }
01474 if (IsRailStationTile(temp->tile)) SetRailStationPlatformReservation(temp->tile, TrackdirToExitdir(ReverseTrackdir(temp->GetVehicleTrackdir())), false);
01475 }
01476 }
01477
01478 bool build_rail = keep_rail && !IsStationTileBlocked(tile);
01479 if (!build_rail && !IsStationTileBlocked(tile)) Company::Get(owner)->infrastructure.rail[rt]--;
01480
01481 DoClearSquare(tile);
01482 DeleteNewGRFInspectWindow(GSF_STATIONS, tile);
01483 if (build_rail) MakeRailNormal(tile, owner, TrackToTrackBits(track), rt);
01484 Company::Get(owner)->infrastructure.station--;
01485 DirtyCompanyInfrastructureWindows(owner);
01486
01487 st->rect.AfterRemoveTile(st, tile);
01488 AddTrackToSignalBuffer(tile, track, owner);
01489 YapfNotifyTrackLayoutChange(tile, track);
01490
01491 DeallocateSpecFromStation(st, specindex);
01492
01493 affected_stations.Include(st);
01494
01495 if (v != NULL) {
01496
01497 if (IsRailStationTile(v->tile)) SetRailStationPlatformReservation(v->tile, TrackdirToExitdir(v->GetVehicleTrackdir()), true);
01498 TryPathReserve(v, true, true);
01499 for (; v->Next() != NULL; v = v->Next()) { }
01500 if (IsRailStationTile(v->tile)) SetRailStationPlatformReservation(v->tile, TrackdirToExitdir(ReverseTrackdir(v->GetVehicleTrackdir())), true);
01501 }
01502 }
01503 }
01504
01505 if (quantity == 0) return_cmd_error(STR_ERROR_THERE_IS_NO_STATION);
01506
01507 for (T **stp = affected_stations.Begin(); stp != affected_stations.End(); stp++) {
01508 T *st = *stp;
01509
01510
01511
01512
01513 MakeRailStationAreaSmaller(st);
01514 UpdateStationSignCoord(st);
01515
01516
01517 if (st->train_station.tile == INVALID_TILE) {
01518 st->facilities &= ~FACIL_TRAIN;
01519 SetWindowWidgetDirty(WC_STATION_VIEW, st->index, WID_SV_TRAINS);
01520 st->UpdateVirtCoord();
01521 DeleteStationIfEmpty(st);
01522 }
01523 }
01524
01525 total_cost.AddCost(quantity * removal_cost);
01526 return total_cost;
01527 }
01528
01540 CommandCost CmdRemoveFromRailStation(TileIndex start, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
01541 {
01542 TileIndex end = p1 == 0 ? start : p1;
01543 if (start >= MapSize() || end >= MapSize()) return CMD_ERROR;
01544
01545 TileArea ta(start, end);
01546 SmallVector<Station *, 4> affected_stations;
01547
01548 CommandCost ret = RemoveFromRailBaseStation(ta, affected_stations, flags, _price[PR_CLEAR_STATION_RAIL], HasBit(p2, 0));
01549 if (ret.Failed()) return ret;
01550
01551
01552 for (Station **stp = affected_stations.Begin(); stp != affected_stations.End(); stp++) {
01553 Station *st = *stp;
01554
01555 if (st->train_station.tile == INVALID_TILE) SetWindowWidgetDirty(WC_STATION_VIEW, st->index, WID_SV_TRAINS);
01556 st->MarkTilesDirty(false);
01557 st->RecomputeIndustriesNear();
01558 }
01559
01560
01561 return ret;
01562 }
01563
01575 CommandCost CmdRemoveFromRailWaypoint(TileIndex start, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
01576 {
01577 TileIndex end = p1 == 0 ? start : p1;
01578 if (start >= MapSize() || end >= MapSize()) return CMD_ERROR;
01579
01580 TileArea ta(start, end);
01581 SmallVector<Waypoint *, 4> affected_stations;
01582
01583 return RemoveFromRailBaseStation(ta, affected_stations, flags, _price[PR_CLEAR_WAYPOINT_RAIL], HasBit(p2, 0));
01584 }
01585
01586
01594 template <class T>
01595 CommandCost RemoveRailStation(T *st, DoCommandFlag flags)
01596 {
01597
01598 if (_current_company != OWNER_WATER) {
01599 CommandCost ret = CheckOwnership(st->owner);
01600 if (ret.Failed()) return ret;
01601 }
01602
01603
01604 TileArea ta = st->train_station;
01605
01606 assert(ta.w != 0 && ta.h != 0);
01607
01608 CommandCost cost(EXPENSES_CONSTRUCTION);
01609
01610 TILE_AREA_LOOP(tile, ta) {
01611
01612 if (!st->TileBelongsToRailStation(tile)) continue;
01613
01614 CommandCost ret = EnsureNoVehicleOnGround(tile);
01615 if (ret.Failed()) return ret;
01616
01617 cost.AddCost(_price[PR_CLEAR_STATION_RAIL]);
01618 if (flags & DC_EXEC) {
01619
01620 Track track = GetRailStationTrack(tile);
01621 Owner owner = GetTileOwner(tile);
01622 Train *v = NULL;
01623 if (HasStationReservation(tile)) {
01624 v = GetTrainForReservation(tile, track);
01625 if (v != NULL) FreeTrainTrackReservation(v);
01626 }
01627 if (!IsStationTileBlocked(tile)) Company::Get(owner)->infrastructure.rail[GetRailType(tile)]--;
01628 Company::Get(owner)->infrastructure.station--;
01629 DoClearSquare(tile);
01630 DeleteNewGRFInspectWindow(GSF_STATIONS, tile);
01631 AddTrackToSignalBuffer(tile, track, owner);
01632 YapfNotifyTrackLayoutChange(tile, track);
01633 if (v != NULL) TryPathReserve(v, true);
01634 }
01635 }
01636
01637 if (flags & DC_EXEC) {
01638 st->rect.AfterRemoveRect(st, st->train_station);
01639
01640 st->train_station.Clear();
01641
01642 st->facilities &= ~FACIL_TRAIN;
01643
01644 free(st->speclist);
01645 st->num_specs = 0;
01646 st->speclist = NULL;
01647 st->cached_anim_triggers = 0;
01648
01649 DirtyCompanyInfrastructureWindows(st->owner);
01650 SetWindowWidgetDirty(WC_STATION_VIEW, st->index, WID_SV_TRAINS);
01651 st->UpdateVirtCoord();
01652 DeleteStationIfEmpty(st);
01653 }
01654
01655 return cost;
01656 }
01657
01664 static CommandCost RemoveRailStation(TileIndex tile, DoCommandFlag flags)
01665 {
01666
01667 if (_current_company == OWNER_WATER) {
01668 return DoCommand(tile, 0, 0, DC_EXEC, CMD_REMOVE_FROM_RAIL_STATION);
01669 }
01670
01671 Station *st = Station::GetByTile(tile);
01672 CommandCost cost = RemoveRailStation(st, flags);
01673
01674 if (flags & DC_EXEC) st->RecomputeIndustriesNear();
01675
01676 return cost;
01677 }
01678
01685 static CommandCost RemoveRailWaypoint(TileIndex tile, DoCommandFlag flags)
01686 {
01687
01688 if (_current_company == OWNER_WATER) {
01689 return DoCommand(tile, 0, 0, DC_EXEC, CMD_REMOVE_FROM_RAIL_WAYPOINT);
01690 }
01691
01692 return RemoveRailStation(Waypoint::GetByTile(tile), flags);
01693 }
01694
01695
01701 static RoadStop **FindRoadStopSpot(bool truck_station, Station *st)
01702 {
01703 RoadStop **primary_stop = (truck_station) ? &st->truck_stops : &st->bus_stops;
01704
01705 if (*primary_stop == NULL) {
01706
01707 return primary_stop;
01708 } else {
01709
01710 RoadStop *stop = *primary_stop;
01711 while (stop->next != NULL) stop = stop->next;
01712 return &stop->next;
01713 }
01714 }
01715
01716 static CommandCost RemoveRoadStop(TileIndex tile, DoCommandFlag flags);
01717
01727 static CommandCost FindJoiningRoadStop(StationID existing_stop, StationID station_to_join, bool adjacent, TileArea ta, Station **st)
01728 {
01729 return FindJoiningBaseStation<Station, STR_ERROR_MUST_REMOVE_ROAD_STOP_FIRST>(existing_stop, station_to_join, adjacent, ta, st);
01730 }
01731
01747 CommandCost CmdBuildRoadStop(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
01748 {
01749 bool type = HasBit(p2, 0);
01750 bool is_drive_through = HasBit(p2, 1);
01751 RoadTypes rts = Extract<RoadTypes, 2, 2>(p2);
01752 StationID station_to_join = GB(p2, 16, 16);
01753 bool reuse = (station_to_join != NEW_STATION);
01754 if (!reuse) station_to_join = INVALID_STATION;
01755 bool distant_join = (station_to_join != INVALID_STATION);
01756
01757 uint8 width = (uint8)GB(p1, 0, 8);
01758 uint8 lenght = (uint8)GB(p1, 8, 8);
01759
01760
01761 if (width > _settings_game.station.station_spread || lenght > _settings_game.station.station_spread) return_cmd_error(STR_ERROR_STATION_TOO_SPREAD_OUT);
01762
01763 if (width == 0 || lenght == 0) return CMD_ERROR;
01764
01765 if (!IsValidTile(tile) || TileAddWrap(tile, width - 1, lenght - 1) == INVALID_TILE) return CMD_ERROR;
01766
01767 TileArea roadstop_area(tile, width, lenght);
01768
01769 if (distant_join && (!_settings_game.station.distant_join_stations || !Station::IsValidID(station_to_join))) return CMD_ERROR;
01770
01771 if (!HasExactlyOneBit(rts) || !HasRoadTypesAvail(_current_company, rts)) return CMD_ERROR;
01772
01773
01774 if (!is_drive_through && HasBit(rts, ROADTYPE_TRAM)) return CMD_ERROR;
01775
01776 DiagDirection ddir = Extract<DiagDirection, 6, 2>(p2);
01777
01778
01779 if (!IsValidDiagDirection(ddir)) return CMD_ERROR;
01780
01781 if (is_drive_through && !IsValidAxis((Axis)ddir)) return CMD_ERROR;
01782
01783 CommandCost ret = CheckIfAuthorityAllowsNewStation(tile, flags);
01784 if (ret.Failed()) return ret;
01785
01786
01787 CommandCost cost(EXPENSES_CONSTRUCTION, roadstop_area.w * roadstop_area.h * _price[type ? PR_BUILD_STATION_TRUCK : PR_BUILD_STATION_BUS]);
01788 StationID est = INVALID_STATION;
01789 ret = CheckFlatLandRoadStop(roadstop_area, flags, is_drive_through ? 5 << ddir : 1 << ddir, is_drive_through, type, DiagDirToAxis(ddir), &est, rts);
01790 if (ret.Failed()) return ret;
01791 cost.AddCost(ret);
01792
01793 Station *st = NULL;
01794 ret = FindJoiningRoadStop(est, station_to_join, HasBit(p2, 5), roadstop_area, &st);
01795 if (ret.Failed()) return ret;
01796
01797
01798 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);
01799
01800 ret = BuildStationPart(&st, flags, reuse, roadstop_area, STATIONNAMING_ROAD);
01801 if (ret.Failed()) return ret;
01802
01803 if (flags & DC_EXEC) {
01804
01805 TILE_AREA_LOOP(cur_tile, roadstop_area) {
01806 RoadTypes cur_rts = GetRoadTypes(cur_tile);
01807 Owner road_owner = HasBit(cur_rts, ROADTYPE_ROAD) ? GetRoadOwner(cur_tile, ROADTYPE_ROAD) : _current_company;
01808 Owner tram_owner = HasBit(cur_rts, ROADTYPE_TRAM) ? GetRoadOwner(cur_tile, ROADTYPE_TRAM) : _current_company;
01809
01810 if (IsTileType(cur_tile, MP_STATION) && IsRoadStop(cur_tile)) {
01811 RemoveRoadStop(cur_tile, flags);
01812 }
01813
01814 RoadStop *road_stop = new RoadStop(cur_tile);
01815
01816 RoadStop **currstop = FindRoadStopSpot(type, st);
01817 *currstop = road_stop;
01818
01819 if (type) {
01820 st->truck_station.Add(cur_tile);
01821 } else {
01822 st->bus_station.Add(cur_tile);
01823 }
01824
01825
01826 st->AddFacility((type) ? FACIL_TRUCK_STOP : FACIL_BUS_STOP, cur_tile);
01827
01828 st->rect.BeforeAddTile(cur_tile, StationRect::ADD_TRY);
01829
01830 RoadStopType rs_type = type ? ROADSTOP_TRUCK : ROADSTOP_BUS;
01831 if (is_drive_through) {
01832
01833
01834 RoadType rt;
01835 FOR_EACH_SET_ROADTYPE(rt, cur_rts | rts) {
01836 Company *c = Company::GetIfValid(rt == ROADTYPE_ROAD ? road_owner : tram_owner);
01837 if (c != NULL) {
01838 c->infrastructure.road[rt] += 2 - (IsNormalRoadTile(cur_tile) && HasBit(cur_rts, rt) ? CountBits(GetRoadBits(cur_tile, rt)) : 0);
01839 DirtyCompanyInfrastructureWindows(c->index);
01840 }
01841 }
01842
01843 MakeDriveThroughRoadStop(cur_tile, st->owner, road_owner, tram_owner, st->index, rs_type, rts | cur_rts, DiagDirToAxis(ddir));
01844 road_stop->MakeDriveThrough();
01845 } else {
01846
01847 Company::Get(st->owner)->infrastructure.road[FIND_FIRST_BIT(rts)] += 2;
01848 MakeRoadStop(cur_tile, st->owner, st->index, rs_type, rts, ddir);
01849 }
01850 Company::Get(st->owner)->infrastructure.station++;
01851 DirtyCompanyInfrastructureWindows(st->owner);
01852
01853 MarkTileDirtyByTile(cur_tile);
01854 }
01855 }
01856
01857 if (st != NULL) {
01858 st->UpdateVirtCoord();
01859 UpdateStationAcceptance(st, false);
01860 st->RecomputeIndustriesNear();
01861 InvalidateWindowData(WC_SELECT_STATION, 0, 0);
01862 InvalidateWindowData(WC_STATION_LIST, st->owner, 0);
01863 SetWindowWidgetDirty(WC_STATION_VIEW, st->index, WID_SV_ROADVEHS);
01864 }
01865 return cost;
01866 }
01867
01868
01869 static Vehicle *ClearRoadStopStatusEnum(Vehicle *v, void *)
01870 {
01871 if (v->type == VEH_ROAD) {
01872
01873
01874
01875
01876
01877
01878 RoadVehicle *rv = RoadVehicle::From(v);
01879 if (HasBit(rv->state, RVS_IN_DT_ROAD_STOP)) rv->state &= RVSB_ROAD_STOP_TRACKDIR_MASK;
01880 }
01881
01882 return NULL;
01883 }
01884
01885
01892 static CommandCost RemoveRoadStop(TileIndex tile, DoCommandFlag flags)
01893 {
01894 Station *st = Station::GetByTile(tile);
01895
01896 if (_current_company != OWNER_WATER) {
01897 CommandCost ret = CheckOwnership(st->owner);
01898 if (ret.Failed()) return ret;
01899 }
01900
01901 bool is_truck = IsTruckStop(tile);
01902
01903 RoadStop **primary_stop;
01904 RoadStop *cur_stop;
01905 if (is_truck) {
01906 primary_stop = &st->truck_stops;
01907 cur_stop = RoadStop::GetByTile(tile, ROADSTOP_TRUCK);
01908 } else {
01909 primary_stop = &st->bus_stops;
01910 cur_stop = RoadStop::GetByTile(tile, ROADSTOP_BUS);
01911 }
01912
01913 assert(cur_stop != NULL);
01914
01915
01916 if (IsDriveThroughStopTile(tile) && (flags & DC_BANKRUPT)) {
01917
01918 if (flags & DC_EXEC) FindVehicleOnPos(tile, NULL, &ClearRoadStopStatusEnum);
01919 } else {
01920 CommandCost ret = EnsureNoVehicleOnGround(tile);
01921 if (ret.Failed()) return ret;
01922 }
01923
01924 if (flags & DC_EXEC) {
01925 if (*primary_stop == cur_stop) {
01926
01927 *primary_stop = cur_stop->next;
01928
01929 if (*primary_stop == NULL) {
01930 st->facilities &= (is_truck ? ~FACIL_TRUCK_STOP : ~FACIL_BUS_STOP);
01931 }
01932 } else {
01933
01934 RoadStop *pred = *primary_stop;
01935 while (pred->next != cur_stop) pred = pred->next;
01936 pred->next = cur_stop->next;
01937 }
01938
01939
01940 RoadType rt;
01941 FOR_EACH_SET_ROADTYPE(rt, GetRoadTypes(tile)) {
01942 Company *c = Company::GetIfValid(GetRoadOwner(tile, rt));
01943 if (c != NULL) {
01944 c->infrastructure.road[rt] -= 2;
01945 DirtyCompanyInfrastructureWindows(c->index);
01946 }
01947 }
01948 Company::Get(st->owner)->infrastructure.station--;
01949
01950 if (IsDriveThroughStopTile(tile)) {
01951
01952 cur_stop->ClearDriveThrough();
01953 } else {
01954 DoClearSquare(tile);
01955 }
01956
01957 SetWindowWidgetDirty(WC_STATION_VIEW, st->index, WID_SV_ROADVEHS);
01958 delete cur_stop;
01959
01960
01961 RoadVehicle *v;
01962 FOR_ALL_ROADVEHICLES(v) {
01963 if (v->First() == v && v->current_order.IsType(OT_GOTO_STATION) &&
01964 v->dest_tile == tile) {
01965 v->dest_tile = v->GetOrderStationLocation(st->index);
01966 }
01967 }
01968
01969 st->rect.AfterRemoveTile(st, tile);
01970
01971 st->UpdateVirtCoord();
01972 st->RecomputeIndustriesNear();
01973 DeleteStationIfEmpty(st);
01974
01975
01976 if (is_truck) {
01977 st->truck_station.Clear();
01978 for (const RoadStop *rs = st->truck_stops; rs != NULL; rs = rs->next) st->truck_station.Add(rs->xy);
01979 } else {
01980 st->bus_station.Clear();
01981 for (const RoadStop *rs = st->bus_stops; rs != NULL; rs = rs->next) st->bus_station.Add(rs->xy);
01982 }
01983 }
01984
01985 return CommandCost(EXPENSES_CONSTRUCTION, _price[is_truck ? PR_CLEAR_STATION_TRUCK : PR_CLEAR_STATION_BUS]);
01986 }
01987
01998 CommandCost CmdRemoveRoadStop(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
01999 {
02000 uint8 width = (uint8)GB(p1, 0, 8);
02001 uint8 height = (uint8)GB(p1, 8, 8);
02002
02003
02004 if (width == 0 || height == 0) return CMD_ERROR;
02005
02006 if (!IsValidTile(tile) || TileAddWrap(tile, width - 1, height - 1) == INVALID_TILE) return CMD_ERROR;
02007
02008 TileArea roadstop_area(tile, width, height);
02009
02010 int quantity = 0;
02011 CommandCost cost(EXPENSES_CONSTRUCTION);
02012 TILE_AREA_LOOP(cur_tile, roadstop_area) {
02013
02014 if (!IsTileType(cur_tile, MP_STATION) || !IsRoadStop(cur_tile) || (uint32)GetRoadStopType(cur_tile) != GB(p2, 0, 1)) continue;
02015
02016
02017 bool is_drive_through = IsDriveThroughStopTile(cur_tile);
02018 RoadTypes rts = GetRoadTypes(cur_tile);
02019 RoadBits road_bits = IsDriveThroughStopTile(cur_tile) ?
02020 ((GetRoadStopDir(cur_tile) == DIAGDIR_NE) ? ROAD_X : ROAD_Y) :
02021 DiagDirToRoadBits(GetRoadStopDir(cur_tile));
02022
02023 Owner road_owner = GetRoadOwner(cur_tile, ROADTYPE_ROAD);
02024 Owner tram_owner = GetRoadOwner(cur_tile, ROADTYPE_TRAM);
02025 CommandCost ret = RemoveRoadStop(cur_tile, flags);
02026 if (ret.Failed()) return ret;
02027 cost.AddCost(ret);
02028
02029 quantity++;
02030
02031 if ((flags & DC_EXEC) && is_drive_through) {
02032 MakeRoadNormal(cur_tile, road_bits, rts, ClosestTownFromTile(cur_tile, UINT_MAX)->index,
02033 road_owner, tram_owner);
02034
02035
02036 RoadType rt;
02037 FOR_EACH_SET_ROADTYPE(rt, rts) {
02038 Company *c = Company::GetIfValid(GetRoadOwner(cur_tile, rt));
02039 if (c != NULL) {
02040 c->infrastructure.road[rt] += CountBits(road_bits);
02041 DirtyCompanyInfrastructureWindows(c->index);
02042 }
02043 }
02044 }
02045 }
02046
02047 if (quantity == 0) return_cmd_error(STR_ERROR_THERE_IS_NO_STATION);
02048
02049 return cost;
02050 }
02051
02058 static uint GetMinimalAirportDistanceToTile(TileIterator &it, TileIndex town_tile)
02059 {
02060 uint mindist = UINT_MAX;
02061
02062 for (TileIndex cur_tile = it; cur_tile != INVALID_TILE; cur_tile = ++it) {
02063 mindist = min(mindist, DistanceManhattan(town_tile, cur_tile));
02064 }
02065
02066 return mindist;
02067 }
02068
02078 uint8 GetAirportNoiseLevelForTown(const AirportSpec *as, TileIterator &it, TileIndex town_tile)
02079 {
02080
02081
02082 if (as->noise_level < 2) return as->noise_level;
02083
02084 uint distance = GetMinimalAirportDistanceToTile(it, town_tile);
02085
02086
02087
02088
02089
02090 uint8 town_tolerance_distance = 8 + (_settings_game.difficulty.town_council_tolerance * 4);
02091
02092
02093
02094 uint noise_reduction = distance / town_tolerance_distance;
02095
02096
02097
02098 return noise_reduction >= as->noise_level ? 1 : as->noise_level - noise_reduction;
02099 }
02100
02108 Town *AirportGetNearestTown(const AirportSpec *as, const TileIterator &it)
02109 {
02110 Town *t, *nearest = NULL;
02111 uint add = as->size_x + as->size_y - 2;
02112 uint mindist = UINT_MAX - add;
02113 FOR_ALL_TOWNS(t) {
02114 if (DistanceManhattan(t->xy, it) < mindist + add) {
02115 TileIterator *copy = it.Clone();
02116 uint dist = GetMinimalAirportDistanceToTile(*copy, t->xy);
02117 delete copy;
02118 if (dist < mindist) {
02119 nearest = t;
02120 mindist = dist;
02121 }
02122 }
02123 }
02124
02125 return nearest;
02126 }
02127
02128
02130 void UpdateAirportsNoise()
02131 {
02132 Town *t;
02133 const Station *st;
02134
02135 FOR_ALL_TOWNS(t) t->noise_reached = 0;
02136
02137 FOR_ALL_STATIONS(st) {
02138 if (st->airport.tile != INVALID_TILE && st->airport.type != AT_OILRIG) {
02139 const AirportSpec *as = st->airport.GetSpec();
02140 AirportTileIterator it(st);
02141 Town *nearest = AirportGetNearestTown(as, it);
02142 nearest->noise_reached += GetAirportNoiseLevelForTown(as, it, nearest->xy);
02143 }
02144 }
02145 }
02146
02160 CommandCost CmdBuildAirport(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
02161 {
02162 StationID station_to_join = GB(p2, 16, 16);
02163 bool reuse = (station_to_join != NEW_STATION);
02164 if (!reuse) station_to_join = INVALID_STATION;
02165 bool distant_join = (station_to_join != INVALID_STATION);
02166 byte airport_type = GB(p1, 0, 8);
02167 byte layout = GB(p1, 8, 8);
02168
02169 if (distant_join && (!_settings_game.station.distant_join_stations || !Station::IsValidID(station_to_join))) return CMD_ERROR;
02170
02171 if (airport_type >= NUM_AIRPORTS) return CMD_ERROR;
02172
02173 CommandCost ret = CheckIfAuthorityAllowsNewStation(tile, flags);
02174 if (ret.Failed()) return ret;
02175
02176
02177 const AirportSpec *as = AirportSpec::Get(airport_type);
02178 if (!as->IsAvailable() || layout >= as->num_table) return CMD_ERROR;
02179
02180 Direction rotation = as->rotation[layout];
02181 int w = as->size_x;
02182 int h = as->size_y;
02183 if (rotation == DIR_E || rotation == DIR_W) Swap(w, h);
02184 TileArea airport_area = TileArea(tile, w, h);
02185
02186 if (w > _settings_game.station.station_spread || h > _settings_game.station.station_spread) {
02187 return_cmd_error(STR_ERROR_STATION_TOO_SPREAD_OUT);
02188 }
02189
02190 CommandCost cost = CheckFlatLand(airport_area, flags);
02191 if (cost.Failed()) return cost;
02192
02193
02194 AirportTileTableIterator iter(as->table[layout], tile);
02195 Town *nearest = AirportGetNearestTown(as, iter);
02196 uint newnoise_level = GetAirportNoiseLevelForTown(as, iter, nearest->xy);
02197
02198
02199 StringID authority_refuse_message = STR_NULL;
02200 Town *authority_refuse_town = NULL;
02201
02202 if (_settings_game.economy.station_noise_level) {
02203
02204 if ((nearest->noise_reached + newnoise_level) > nearest->MaxTownNoise()) {
02205 authority_refuse_message = STR_ERROR_LOCAL_AUTHORITY_REFUSES_NOISE;
02206 authority_refuse_town = nearest;
02207 }
02208 } else {
02209 Town *t = ClosestTownFromTile(tile, UINT_MAX);
02210 uint num = 0;
02211 const Station *st;
02212 FOR_ALL_STATIONS(st) {
02213 if (st->town == t && (st->facilities & FACIL_AIRPORT) && st->airport.type != AT_OILRIG) num++;
02214 }
02215 if (num >= 2) {
02216 authority_refuse_message = STR_ERROR_LOCAL_AUTHORITY_REFUSES_AIRPORT;
02217 authority_refuse_town = t;
02218 }
02219 }
02220
02221 if (authority_refuse_message != STR_NULL) {
02222 SetDParam(0, authority_refuse_town->index);
02223 return_cmd_error(authority_refuse_message);
02224 }
02225
02226 Station *st = NULL;
02227 ret = FindJoiningStation(INVALID_STATION, station_to_join, HasBit(p2, 0), airport_area, &st);
02228 if (ret.Failed()) return ret;
02229
02230
02231 if (st == NULL && distant_join) st = Station::GetIfValid(station_to_join);
02232
02233 ret = BuildStationPart(&st, flags, reuse, airport_area, (GetAirport(airport_type)->flags & AirportFTAClass::AIRPLANES) ? STATIONNAMING_AIRPORT : STATIONNAMING_HELIPORT);
02234 if (ret.Failed()) return ret;
02235
02236 if (st != NULL && st->airport.tile != INVALID_TILE) {
02237 return_cmd_error(STR_ERROR_TOO_CLOSE_TO_ANOTHER_AIRPORT);
02238 }
02239
02240 for (AirportTileTableIterator iter(as->table[layout], tile); iter != INVALID_TILE; ++iter) {
02241 cost.AddCost(_price[PR_BUILD_STATION_AIRPORT]);
02242 }
02243
02244 if (flags & DC_EXEC) {
02245
02246 nearest->noise_reached += newnoise_level;
02247
02248 st->AddFacility(FACIL_AIRPORT, tile);
02249 st->airport.type = airport_type;
02250 st->airport.layout = layout;
02251 st->airport.flags = 0;
02252 st->airport.rotation = rotation;
02253
02254 st->rect.BeforeAddRect(tile, w, h, StationRect::ADD_TRY);
02255
02256 for (AirportTileTableIterator iter(as->table[layout], tile); iter != INVALID_TILE; ++iter) {
02257 MakeAirport(iter, st->owner, st->index, iter.GetStationGfx(), WATER_CLASS_INVALID);
02258 SetStationTileRandomBits(iter, GB(Random(), 0, 4));
02259 st->airport.Add(iter);
02260
02261 if (AirportTileSpec::Get(GetTranslatedAirportTileID(iter.GetStationGfx()))->animation.status != ANIM_STATUS_NO_ANIMATION) AddAnimatedTile(iter);
02262 }
02263
02264
02265 for (AirportTileTableIterator iter(as->table[layout], tile); iter != INVALID_TILE; ++iter) {
02266 AirportTileAnimationTrigger(st, iter, AAT_BUILT);
02267 }
02268
02269 UpdateAirplanesOnNewStation(st);
02270
02271 Company::Get(st->owner)->infrastructure.airport++;
02272 DirtyCompanyInfrastructureWindows(st->owner);
02273
02274 st->UpdateVirtCoord();
02275 UpdateStationAcceptance(st, false);
02276 st->RecomputeIndustriesNear();
02277 InvalidateWindowData(WC_SELECT_STATION, 0, 0);
02278 InvalidateWindowData(WC_STATION_LIST, st->owner, 0);
02279 InvalidateWindowData(WC_STATION_VIEW, st->index, -1);
02280
02281 if (_settings_game.economy.station_noise_level) {
02282 SetWindowDirty(WC_TOWN_VIEW, st->town->index);
02283 }
02284 }
02285
02286 return cost;
02287 }
02288
02295 static CommandCost RemoveAirport(TileIndex tile, DoCommandFlag flags)
02296 {
02297 Station *st = Station::GetByTile(tile);
02298
02299 if (_current_company != OWNER_WATER) {
02300 CommandCost ret = CheckOwnership(st->owner);
02301 if (ret.Failed()) return ret;
02302 }
02303
02304 tile = st->airport.tile;
02305
02306 CommandCost cost(EXPENSES_CONSTRUCTION);
02307
02308 const Aircraft *a;
02309 FOR_ALL_AIRCRAFT(a) {
02310 if (!a->IsNormalAircraft()) continue;
02311 if (a->targetairport == st->index && a->state != FLYING) return CMD_ERROR;
02312 }
02313
02314 if (flags & DC_EXEC) {
02315 const AirportSpec *as = st->airport.GetSpec();
02316
02317
02318
02319 AirportTileIterator it(st);
02320 Town *nearest = AirportGetNearestTown(as, it);
02321 nearest->noise_reached -= GetAirportNoiseLevelForTown(as, it, nearest->xy);
02322 }
02323
02324 TILE_AREA_LOOP(tile_cur, st->airport) {
02325 if (!st->TileBelongsToAirport(tile_cur)) continue;
02326
02327 CommandCost ret = EnsureNoVehicleOnGround(tile_cur);
02328 if (ret.Failed()) return ret;
02329
02330 cost.AddCost(_price[PR_CLEAR_STATION_AIRPORT]);
02331
02332 if (flags & DC_EXEC) {
02333 if (IsHangarTile(tile_cur)) OrderBackup::Reset(tile_cur, false);
02334 DeleteAnimatedTile(tile_cur);
02335 DoClearSquare(tile_cur);
02336 DeleteNewGRFInspectWindow(GSF_AIRPORTTILES, tile_cur);
02337 }
02338 }
02339
02340 if (flags & DC_EXEC) {
02341
02342 delete st->airport.psa;
02343
02344 for (uint i = 0; i < st->airport.GetNumHangars(); ++i) {
02345 DeleteWindowById(
02346 WC_VEHICLE_DEPOT, st->airport.GetHangarTile(i)
02347 );
02348 }
02349
02350 st->rect.AfterRemoveRect(st, st->airport);
02351
02352 st->airport.Clear();
02353 st->facilities &= ~FACIL_AIRPORT;
02354
02355 InvalidateWindowData(WC_STATION_VIEW, st->index, -1);
02356
02357 if (_settings_game.economy.station_noise_level) {
02358 SetWindowDirty(WC_TOWN_VIEW, st->town->index);
02359 }
02360
02361 Company::Get(st->owner)->infrastructure.airport--;
02362 DirtyCompanyInfrastructureWindows(st->owner);
02363
02364 st->UpdateVirtCoord();
02365 st->RecomputeIndustriesNear();
02366 DeleteStationIfEmpty(st);
02367 DeleteNewGRFInspectWindow(GSF_AIRPORTS, st->index);
02368 }
02369
02370 return cost;
02371 }
02372
02382 CommandCost CmdOpenCloseAirport(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
02383 {
02384 if (!Station::IsValidID(p1)) return CMD_ERROR;
02385 Station *st = Station::Get(p1);
02386
02387 if (!(st->facilities & FACIL_AIRPORT) || st->owner == OWNER_NONE) return CMD_ERROR;
02388
02389 CommandCost ret = CheckOwnership(st->owner);
02390 if (ret.Failed()) return ret;
02391
02392 if (flags & DC_EXEC) {
02393 st->airport.flags ^= AIRPORT_CLOSED_block;
02394 SetWindowWidgetDirty(WC_STATION_VIEW, st->index, WID_SV_CLOSE_AIRPORT);
02395 }
02396 return CommandCost();
02397 }
02398
02405 bool HasStationInUse(StationID station, bool include_company, CompanyID company)
02406 {
02407 const Vehicle *v;
02408 FOR_ALL_VEHICLES(v) {
02409 if ((v->owner == company) == include_company) {
02410 const Order *order;
02411 FOR_VEHICLE_ORDERS(v, order) {
02412 if ((order->IsType(OT_GOTO_STATION) || order->IsType(OT_GOTO_WAYPOINT)) && order->GetDestination() == station) {
02413 return true;
02414 }
02415 }
02416 }
02417 }
02418 return false;
02419 }
02420
02421 static const TileIndexDiffC _dock_tileoffs_chkaround[] = {
02422 {-1, 0},
02423 { 0, 0},
02424 { 0, 0},
02425 { 0, -1}
02426 };
02427 static const byte _dock_w_chk[4] = { 2, 1, 2, 1 };
02428 static const byte _dock_h_chk[4] = { 1, 2, 1, 2 };
02429
02439 CommandCost CmdBuildDock(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
02440 {
02441 StationID station_to_join = GB(p2, 16, 16);
02442 bool reuse = (station_to_join != NEW_STATION);
02443 if (!reuse) station_to_join = INVALID_STATION;
02444 bool distant_join = (station_to_join != INVALID_STATION);
02445
02446 if (distant_join && (!_settings_game.station.distant_join_stations || !Station::IsValidID(station_to_join))) return CMD_ERROR;
02447
02448 DiagDirection direction = GetInclinedSlopeDirection(GetTileSlope(tile));
02449 if (direction == INVALID_DIAGDIR) return_cmd_error(STR_ERROR_SITE_UNSUITABLE);
02450 direction = ReverseDiagDir(direction);
02451
02452
02453 if (HasTileWaterGround(tile)) return_cmd_error(STR_ERROR_SITE_UNSUITABLE);
02454
02455 CommandCost ret = CheckIfAuthorityAllowsNewStation(tile, flags);
02456 if (ret.Failed()) return ret;
02457
02458 if (MayHaveBridgeAbove(tile) && IsBridgeAbove(tile)) return_cmd_error(STR_ERROR_MUST_DEMOLISH_BRIDGE_FIRST);
02459
02460 ret = DoCommand(tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR);
02461 if (ret.Failed()) return ret;
02462
02463 TileIndex tile_cur = tile + TileOffsByDiagDir(direction);
02464
02465 if (!IsTileType(tile_cur, MP_WATER) || GetTileSlope(tile_cur) != SLOPE_FLAT) {
02466 return_cmd_error(STR_ERROR_SITE_UNSUITABLE);
02467 }
02468
02469 if (MayHaveBridgeAbove(tile_cur) && IsBridgeAbove(tile_cur)) return_cmd_error(STR_ERROR_MUST_DEMOLISH_BRIDGE_FIRST);
02470
02471
02472 WaterClass wc = GetWaterClass(tile_cur);
02473
02474 ret = DoCommand(tile_cur, 0, 0, flags, CMD_LANDSCAPE_CLEAR);
02475 if (ret.Failed()) return ret;
02476
02477 tile_cur += TileOffsByDiagDir(direction);
02478 if (!IsTileType(tile_cur, MP_WATER) || GetTileSlope(tile_cur) != SLOPE_FLAT) {
02479 return_cmd_error(STR_ERROR_SITE_UNSUITABLE);
02480 }
02481
02482 TileArea dock_area = TileArea(tile + ToTileIndexDiff(_dock_tileoffs_chkaround[direction]),
02483 _dock_w_chk[direction], _dock_h_chk[direction]);
02484
02485
02486 Station *st = NULL;
02487 ret = FindJoiningStation(INVALID_STATION, station_to_join, HasBit(p1, 0), dock_area, &st);
02488 if (ret.Failed()) return ret;
02489
02490
02491 if (st == NULL && distant_join) st = Station::GetIfValid(station_to_join);
02492
02493 ret = BuildStationPart(&st, flags, reuse, dock_area, STATIONNAMING_DOCK);
02494 if (ret.Failed()) return ret;
02495
02496 if (st != NULL && st->dock_tile != INVALID_TILE) return_cmd_error(STR_ERROR_TOO_CLOSE_TO_ANOTHER_DOCK);
02497
02498 if (flags & DC_EXEC) {
02499 st->dock_tile = tile;
02500 st->AddFacility(FACIL_DOCK, tile);
02501
02502 st->rect.BeforeAddRect(dock_area.tile, dock_area.w, dock_area.h, StationRect::ADD_TRY);
02503
02504
02505
02506 if (wc == WATER_CLASS_CANAL) {
02507 Company::Get(st->owner)->infrastructure.water++;
02508 }
02509 Company::Get(st->owner)->infrastructure.station += 2;
02510 DirtyCompanyInfrastructureWindows(st->owner);
02511
02512 MakeDock(tile, st->owner, st->index, direction, wc);
02513
02514 st->UpdateVirtCoord();
02515 UpdateStationAcceptance(st, false);
02516 st->RecomputeIndustriesNear();
02517 InvalidateWindowData(WC_SELECT_STATION, 0, 0);
02518 InvalidateWindowData(WC_STATION_LIST, st->owner, 0);
02519 SetWindowWidgetDirty(WC_STATION_VIEW, st->index, WID_SV_SHIPS);
02520 }
02521
02522 return CommandCost(EXPENSES_CONSTRUCTION, _price[PR_BUILD_STATION_DOCK]);
02523 }
02524
02531 static CommandCost RemoveDock(TileIndex tile, DoCommandFlag flags)
02532 {
02533 Station *st = Station::GetByTile(tile);
02534 CommandCost ret = CheckOwnership(st->owner);
02535 if (ret.Failed()) return ret;
02536
02537 TileIndex docking_location = TILE_ADD(st->dock_tile, ToTileIndexDiff(GetDockOffset(st->dock_tile)));
02538
02539 TileIndex tile1 = st->dock_tile;
02540 TileIndex tile2 = tile1 + TileOffsByDiagDir(GetDockDirection(tile1));
02541
02542 ret = EnsureNoVehicleOnGround(tile1);
02543 if (ret.Succeeded()) ret = EnsureNoVehicleOnGround(tile2);
02544 if (ret.Failed()) return ret;
02545
02546 if (flags & DC_EXEC) {
02547 DoClearSquare(tile1);
02548 MarkTileDirtyByTile(tile1);
02549 MakeWaterKeepingClass(tile2, st->owner);
02550
02551 st->rect.AfterRemoveTile(st, tile1);
02552 st->rect.AfterRemoveTile(st, tile2);
02553
02554 st->dock_tile = INVALID_TILE;
02555 st->facilities &= ~FACIL_DOCK;
02556
02557 Company::Get(st->owner)->infrastructure.station -= 2;
02558 DirtyCompanyInfrastructureWindows(st->owner);
02559
02560 SetWindowWidgetDirty(WC_STATION_VIEW, st->index, WID_SV_SHIPS);
02561 st->UpdateVirtCoord();
02562 st->RecomputeIndustriesNear();
02563 DeleteStationIfEmpty(st);
02564
02565
02566
02567
02568
02569 Ship *s;
02570 FOR_ALL_SHIPS(s) {
02571 if (s->current_order.IsType(OT_LOADING) && s->tile == docking_location) {
02572 s->LeaveStation();
02573 }
02574
02575 if (s->dest_tile == docking_location) {
02576 s->dest_tile = 0;
02577 s->current_order.Free();
02578 }
02579 }
02580 }
02581
02582 return CommandCost(EXPENSES_CONSTRUCTION, _price[PR_CLEAR_STATION_DOCK]);
02583 }
02584
02585 #include "table/station_land.h"
02586
02587 const DrawTileSprites *GetStationTileLayout(StationType st, byte gfx)
02588 {
02589 return &_station_display_datas[st][gfx];
02590 }
02591
02601 bool SplitGroundSpriteForOverlay(const TileInfo *ti, SpriteID *ground, RailTrackOffset *overlay_offset)
02602 {
02603 bool snow_desert;
02604 switch (*ground) {
02605 case SPR_RAIL_TRACK_X:
02606 snow_desert = false;
02607 *overlay_offset = RTO_X;
02608 break;
02609
02610 case SPR_RAIL_TRACK_Y:
02611 snow_desert = false;
02612 *overlay_offset = RTO_Y;
02613 break;
02614
02615 case SPR_RAIL_TRACK_X_SNOW:
02616 snow_desert = true;
02617 *overlay_offset = RTO_X;
02618 break;
02619
02620 case SPR_RAIL_TRACK_Y_SNOW:
02621 snow_desert = true;
02622 *overlay_offset = RTO_Y;
02623 break;
02624
02625 default:
02626 return false;
02627 }
02628
02629 if (ti != NULL) {
02630
02631 switch (_settings_game.game_creation.landscape) {
02632 case LT_ARCTIC:
02633 snow_desert = (uint)ti->z > GetSnowLine() * TILE_HEIGHT;
02634 break;
02635
02636 case LT_TROPIC:
02637 snow_desert = GetTropicZone(ti->tile) == TROPICZONE_DESERT;
02638 break;
02639
02640 default:
02641 break;
02642 }
02643 }
02644
02645 *ground = snow_desert ? SPR_FLAT_SNOW_DESERT_TILE : SPR_FLAT_GRASS_TILE;
02646 return true;
02647 }
02648
02649 static void DrawTile_Station(TileInfo *ti)
02650 {
02651 const NewGRFSpriteLayout *layout = NULL;
02652 DrawTileSprites tmp_rail_layout;
02653 const DrawTileSprites *t = NULL;
02654 RoadTypes roadtypes;
02655 int32 total_offset;
02656 const RailtypeInfo *rti = NULL;
02657 uint32 relocation = 0;
02658 uint32 ground_relocation = 0;
02659 BaseStation *st = NULL;
02660 const StationSpec *statspec = NULL;
02661 uint tile_layout = 0;
02662
02663 if (HasStationRail(ti->tile)) {
02664 rti = GetRailTypeInfo(GetRailType(ti->tile));
02665 roadtypes = ROADTYPES_NONE;
02666 total_offset = rti->GetRailtypeSpriteOffset();
02667
02668 if (IsCustomStationSpecIndex(ti->tile)) {
02669
02670 st = BaseStation::GetByTile(ti->tile);
02671 statspec = st->speclist[GetCustomStationSpecIndex(ti->tile)].spec;
02672
02673 if (statspec != NULL) {
02674 tile_layout = GetStationGfx(ti->tile);
02675
02676 if (HasBit(statspec->callback_mask, CBM_STATION_SPRITE_LAYOUT)) {
02677 uint16 callback = GetStationCallback(CBID_STATION_SPRITE_LAYOUT, 0, 0, statspec, st, ti->tile);
02678 if (callback != CALLBACK_FAILED) tile_layout = (callback & ~1) + GetRailStationAxis(ti->tile);
02679 }
02680
02681
02682 if (statspec->renderdata != NULL) {
02683 layout = &statspec->renderdata[tile_layout < statspec->tiles ? tile_layout : (uint)GetRailStationAxis(ti->tile)];
02684 if (!layout->NeedsPreprocessing()) {
02685 t = layout;
02686 layout = NULL;
02687 }
02688 }
02689 }
02690 }
02691 } else {
02692 roadtypes = IsRoadStop(ti->tile) ? GetRoadTypes(ti->tile) : ROADTYPES_NONE;
02693 total_offset = 0;
02694 }
02695
02696 StationGfx gfx = GetStationGfx(ti->tile);
02697 if (IsAirport(ti->tile)) {
02698 gfx = GetAirportGfx(ti->tile);
02699 if (gfx >= NEW_AIRPORTTILE_OFFSET) {
02700 const AirportTileSpec *ats = AirportTileSpec::Get(gfx);
02701 if (ats->grf_prop.spritegroup[0] != NULL && DrawNewAirportTile(ti, Station::GetByTile(ti->tile), gfx, ats)) {
02702 return;
02703 }
02704
02705
02706 assert(ats->grf_prop.subst_id != INVALID_AIRPORTTILE);
02707 gfx = ats->grf_prop.subst_id;
02708 }
02709 switch (gfx) {
02710 case APT_RADAR_GRASS_FENCE_SW:
02711 t = &_station_display_datas_airport_radar_grass_fence_sw[GetAnimationFrame(ti->tile)];
02712 break;
02713 case APT_GRASS_FENCE_NE_FLAG:
02714 t = &_station_display_datas_airport_flag_grass_fence_ne[GetAnimationFrame(ti->tile)];
02715 break;
02716 case APT_RADAR_FENCE_SW:
02717 t = &_station_display_datas_airport_radar_fence_sw[GetAnimationFrame(ti->tile)];
02718 break;
02719 case APT_RADAR_FENCE_NE:
02720 t = &_station_display_datas_airport_radar_fence_ne[GetAnimationFrame(ti->tile)];
02721 break;
02722 case APT_GRASS_FENCE_NE_FLAG_2:
02723 t = &_station_display_datas_airport_flag_grass_fence_ne_2[GetAnimationFrame(ti->tile)];
02724 break;
02725 }
02726 }
02727
02728 Owner owner = GetTileOwner(ti->tile);
02729
02730 PaletteID palette;
02731 if (Company::IsValidID(owner)) {
02732 palette = COMPANY_SPRITE_COLOUR(owner);
02733 } else {
02734
02735 palette = PALETTE_TO_GREY;
02736 }
02737
02738 if (layout == NULL && (t == NULL || t->seq == NULL)) t = GetStationTileLayout(GetStationType(ti->tile), gfx);
02739
02740
02741 if (ti->tileh != SLOPE_FLAT && !IsDock(ti->tile)) {
02742 if (statspec != NULL && HasBit(statspec->flags, SSF_CUSTOM_FOUNDATIONS)) {
02743
02744
02745 uint edge_info = 0;
02746 int z;
02747 Slope slope = GetFoundationPixelSlope(ti->tile, &z);
02748 if (!HasFoundationNW(ti->tile, slope, z)) SetBit(edge_info, 0);
02749 if (!HasFoundationNE(ti->tile, slope, z)) SetBit(edge_info, 1);
02750 SpriteID image = GetCustomStationFoundationRelocation(statspec, st, ti->tile, tile_layout, edge_info);
02751 if (image == 0) goto draw_default_foundation;
02752
02753 if (HasBit(statspec->flags, SSF_EXTENDED_FOUNDATIONS)) {
02754
02755
02756 static const uint8 foundation_parts[] = {
02757 0, 0, 0, 0,
02758 0, 1, 2, 3,
02759 0, 4, 5, 6,
02760 7, 8, 9
02761 };
02762
02763 AddSortableSpriteToDraw(image + foundation_parts[ti->tileh], PAL_NONE, ti->x, ti->y, 16, 16, 7, ti->z);
02764 } else {
02765
02766
02767
02768
02769 static const uint8 composite_foundation_parts[] = {
02770
02771 0x00, 0xD1, 0xE4, 0xE0,
02772
02773 0xCA, 0xC9, 0xC4, 0xC0,
02774
02775 0xD2, 0x91, 0xE4, 0xA0,
02776
02777 0x4A, 0x09, 0x44
02778 };
02779
02780 uint8 parts = composite_foundation_parts[ti->tileh];
02781
02782
02783
02784 if (HasBit(edge_info, 0)) ClrBit(parts, 6);
02785 if (HasBit(edge_info, 1)) ClrBit(parts, 7);
02786
02787 if (parts == 0) {
02788
02789
02790
02791 goto draw_default_foundation;
02792 }
02793
02794 StartSpriteCombine();
02795 for (int i = 0; i < 8; i++) {
02796 if (HasBit(parts, i)) {
02797 AddSortableSpriteToDraw(image + i, PAL_NONE, ti->x, ti->y, 16, 16, 7, ti->z);
02798 }
02799 }
02800 EndSpriteCombine();
02801 }
02802
02803 OffsetGroundSprite(31, 1);
02804 ti->z += ApplyPixelFoundationToSlope(FOUNDATION_LEVELED, &ti->tileh);
02805 } else {
02806 draw_default_foundation:
02807 DrawFoundation(ti, FOUNDATION_LEVELED);
02808 }
02809 }
02810
02811 if (IsBuoy(ti->tile)) {
02812 DrawWaterClassGround(ti);
02813 SpriteID sprite = GetCanalSprite(CF_BUOY, ti->tile);
02814 if (sprite != 0) total_offset = sprite - SPR_IMG_BUOY;
02815 } else if (IsDock(ti->tile) || (IsOilRig(ti->tile) && IsTileOnWater(ti->tile))) {
02816 if (ti->tileh == SLOPE_FLAT) {
02817 DrawWaterClassGround(ti);
02818 } else {
02819 assert(IsDock(ti->tile));
02820 TileIndex water_tile = ti->tile + TileOffsByDiagDir(GetDockDirection(ti->tile));
02821 WaterClass wc = GetWaterClass(water_tile);
02822 if (wc == WATER_CLASS_SEA) {
02823 DrawShoreTile(ti->tileh);
02824 } else {
02825 DrawClearLandTile(ti, 3);
02826 }
02827 }
02828 } else {
02829 if (layout != NULL) {
02830
02831 bool separate_ground = HasBit(statspec->flags, SSF_SEPARATE_GROUND);
02832 uint32 var10_values = layout->PrepareLayout(total_offset, rti->fallback_railtype, 0, 0, separate_ground);
02833 uint8 var10;
02834 FOR_EACH_SET_BIT(var10, var10_values) {
02835 uint32 var10_relocation = GetCustomStationRelocation(statspec, st, ti->tile, var10);
02836 layout->ProcessRegisters(var10, var10_relocation, separate_ground);
02837 }
02838 tmp_rail_layout.seq = layout->GetLayout(&tmp_rail_layout.ground);
02839 t = &tmp_rail_layout;
02840 total_offset = 0;
02841 } else if (statspec != NULL) {
02842
02843 ground_relocation = relocation = GetCustomStationRelocation(statspec, st, ti->tile, 0);
02844 if (HasBit(statspec->flags, SSF_SEPARATE_GROUND)) {
02845 ground_relocation = GetCustomStationRelocation(statspec, st, ti->tile, 1);
02846 }
02847 ground_relocation += rti->fallback_railtype;
02848 }
02849
02850 SpriteID image = t->ground.sprite;
02851 PaletteID pal = t->ground.pal;
02852 RailTrackOffset overlay_offset;
02853 if (rti != NULL && rti->UsesOverlay() && SplitGroundSpriteForOverlay(ti, &image, &overlay_offset)) {
02854 SpriteID ground = GetCustomRailSprite(rti, ti->tile, RTSG_GROUND);
02855 DrawGroundSprite(image, PAL_NONE);
02856 DrawGroundSprite(ground + overlay_offset, PAL_NONE);
02857
02858 if (_game_mode != GM_MENU && _settings_client.gui.show_track_reservation && HasStationReservation(ti->tile)) {
02859 SpriteID overlay = GetCustomRailSprite(rti, ti->tile, RTSG_OVERLAY);
02860 DrawGroundSprite(overlay + overlay_offset, PALETTE_CRASH);
02861 }
02862 } else {
02863 image += HasBit(image, SPRITE_MODIFIER_CUSTOM_SPRITE) ? ground_relocation : total_offset;
02864 if (HasBit(pal, SPRITE_MODIFIER_CUSTOM_SPRITE)) pal += ground_relocation;
02865 DrawGroundSprite(image, GroundSpritePaletteTransform(image, pal, palette));
02866
02867
02868 if (_game_mode != GM_MENU && _settings_client.gui.show_track_reservation && HasStationRail(ti->tile) && HasStationReservation(ti->tile)) {
02869 const RailtypeInfo *rti = GetRailTypeInfo(GetRailType(ti->tile));
02870 DrawGroundSprite(GetRailStationAxis(ti->tile) == AXIS_X ? rti->base_sprites.single_x : rti->base_sprites.single_y, PALETTE_CRASH);
02871 }
02872 }
02873 }
02874
02875 if (HasStationRail(ti->tile) && HasCatenaryDrawn(GetRailType(ti->tile))) DrawCatenary(ti);
02876
02877 if (HasBit(roadtypes, ROADTYPE_TRAM)) {
02878 Axis axis = GetRoadStopDir(ti->tile) == DIAGDIR_NE ? AXIS_X : AXIS_Y;
02879 DrawGroundSprite((HasBit(roadtypes, ROADTYPE_ROAD) ? SPR_TRAMWAY_OVERLAY : SPR_TRAMWAY_TRAM) + (axis ^ 1), PAL_NONE);
02880 DrawTramCatenary(ti, axis == AXIS_X ? ROAD_X : ROAD_Y);
02881 }
02882
02883 if (IsRailWaypoint(ti->tile)) {
02884
02885 total_offset = 0;
02886 }
02887
02888 DrawRailTileSeq(ti, t, TO_BUILDINGS, total_offset, relocation, palette);
02889 }
02890
02891 void StationPickerDrawSprite(int x, int y, StationType st, RailType railtype, RoadType roadtype, int image)
02892 {
02893 int32 total_offset = 0;
02894 PaletteID pal = COMPANY_SPRITE_COLOUR(_local_company);
02895 const DrawTileSprites *t = GetStationTileLayout(st, image);
02896 const RailtypeInfo *rti = NULL;
02897
02898 if (railtype != INVALID_RAILTYPE) {
02899 rti = GetRailTypeInfo(railtype);
02900 total_offset = rti->GetRailtypeSpriteOffset();
02901 }
02902
02903 SpriteID img = t->ground.sprite;
02904 RailTrackOffset overlay_offset;
02905 if (rti != NULL && rti->UsesOverlay() && SplitGroundSpriteForOverlay(NULL, &img, &overlay_offset)) {
02906 SpriteID ground = GetCustomRailSprite(rti, INVALID_TILE, RTSG_GROUND);
02907 DrawSprite(img, PAL_NONE, x, y);
02908 DrawSprite(ground + overlay_offset, PAL_NONE, x, y);
02909 } else {
02910 DrawSprite(img + total_offset, HasBit(img, PALETTE_MODIFIER_COLOUR) ? pal : PAL_NONE, x, y);
02911 }
02912
02913 if (roadtype == ROADTYPE_TRAM) {
02914 DrawSprite(SPR_TRAMWAY_TRAM + (t->ground.sprite == SPR_ROAD_PAVED_STRAIGHT_X ? 1 : 0), PAL_NONE, x, y);
02915 }
02916
02917
02918 DrawRailTileSeqInGUI(x, y, t, st == STATION_WAYPOINT ? 0 : total_offset, 0, pal);
02919 }
02920
02921 static int GetSlopePixelZ_Station(TileIndex tile, uint x, uint y)
02922 {
02923 return GetTileMaxPixelZ(tile);
02924 }
02925
02926 static Foundation GetFoundation_Station(TileIndex tile, Slope tileh)
02927 {
02928 return FlatteningFoundation(tileh);
02929 }
02930
02931 static void GetTileDesc_Station(TileIndex tile, TileDesc *td)
02932 {
02933 td->owner[0] = GetTileOwner(tile);
02934 if (IsDriveThroughStopTile(tile)) {
02935 Owner road_owner = INVALID_OWNER;
02936 Owner tram_owner = INVALID_OWNER;
02937 RoadTypes rts = GetRoadTypes(tile);
02938 if (HasBit(rts, ROADTYPE_ROAD)) road_owner = GetRoadOwner(tile, ROADTYPE_ROAD);
02939 if (HasBit(rts, ROADTYPE_TRAM)) tram_owner = GetRoadOwner(tile, ROADTYPE_TRAM);
02940
02941
02942 if ((tram_owner != INVALID_OWNER && tram_owner != td->owner[0]) ||
02943 (road_owner != INVALID_OWNER && road_owner != td->owner[0])) {
02944 uint i = 1;
02945 if (road_owner != INVALID_OWNER) {
02946 td->owner_type[i] = STR_LAND_AREA_INFORMATION_ROAD_OWNER;
02947 td->owner[i] = road_owner;
02948 i++;
02949 }
02950 if (tram_owner != INVALID_OWNER) {
02951 td->owner_type[i] = STR_LAND_AREA_INFORMATION_TRAM_OWNER;
02952 td->owner[i] = tram_owner;
02953 }
02954 }
02955 }
02956 td->build_date = BaseStation::GetByTile(tile)->build_date;
02957
02958 if (HasStationTileRail(tile)) {
02959 const StationSpec *spec = GetStationSpec(tile);
02960
02961 if (spec != NULL) {
02962 td->station_class = StationClass::Get(spec->cls_id)->name;
02963 td->station_name = spec->name;
02964
02965 if (spec->grf_prop.grffile != NULL) {
02966 const GRFConfig *gc = GetGRFConfig(spec->grf_prop.grffile->grfid);
02967 td->grf = gc->GetName();
02968 }
02969 }
02970
02971 const RailtypeInfo *rti = GetRailTypeInfo(GetRailType(tile));
02972 td->rail_speed = rti->max_speed;
02973 }
02974
02975 if (IsAirport(tile)) {
02976 const AirportSpec *as = Station::GetByTile(tile)->airport.GetSpec();
02977 td->airport_class = AirportClass::Get(as->cls_id)->name;
02978 td->airport_name = as->name;
02979
02980 const AirportTileSpec *ats = AirportTileSpec::GetByTile(tile);
02981 td->airport_tile_name = ats->name;
02982
02983 if (as->grf_prop.grffile != NULL) {
02984 const GRFConfig *gc = GetGRFConfig(as->grf_prop.grffile->grfid);
02985 td->grf = gc->GetName();
02986 } else if (ats->grf_prop.grffile != NULL) {
02987 const GRFConfig *gc = GetGRFConfig(ats->grf_prop.grffile->grfid);
02988 td->grf = gc->GetName();
02989 }
02990 }
02991
02992 StringID str;
02993 switch (GetStationType(tile)) {
02994 default: NOT_REACHED();
02995 case STATION_RAIL: str = STR_LAI_STATION_DESCRIPTION_RAILROAD_STATION; break;
02996 case STATION_AIRPORT:
02997 str = (IsHangar(tile) ? STR_LAI_STATION_DESCRIPTION_AIRCRAFT_HANGAR : STR_LAI_STATION_DESCRIPTION_AIRPORT);
02998 break;
02999 case STATION_TRUCK: str = STR_LAI_STATION_DESCRIPTION_TRUCK_LOADING_AREA; break;
03000 case STATION_BUS: str = STR_LAI_STATION_DESCRIPTION_BUS_STATION; break;
03001 case STATION_OILRIG: str = STR_INDUSTRY_NAME_OIL_RIG; break;
03002 case STATION_DOCK: str = STR_LAI_STATION_DESCRIPTION_SHIP_DOCK; break;
03003 case STATION_BUOY: str = STR_LAI_STATION_DESCRIPTION_BUOY; break;
03004 case STATION_WAYPOINT: str = STR_LAI_STATION_DESCRIPTION_WAYPOINT; break;
03005 }
03006 td->str = str;
03007 }
03008
03009
03010 static TrackStatus GetTileTrackStatus_Station(TileIndex tile, TransportType mode, uint sub_mode, DiagDirection side)
03011 {
03012 TrackBits trackbits = TRACK_BIT_NONE;
03013
03014 switch (mode) {
03015 case TRANSPORT_RAIL:
03016 if (HasStationRail(tile) && !IsStationTileBlocked(tile)) {
03017 trackbits = TrackToTrackBits(GetRailStationTrack(tile));
03018 }
03019 break;
03020
03021 case TRANSPORT_WATER:
03022
03023 if (IsBuoy(tile)) {
03024 trackbits = TRACK_BIT_ALL;
03025
03026 if (TileX(tile) == 0) trackbits &= ~(TRACK_BIT_X | TRACK_BIT_UPPER | TRACK_BIT_RIGHT);
03027
03028 if (TileY(tile) == 0) trackbits &= ~(TRACK_BIT_Y | TRACK_BIT_LEFT | TRACK_BIT_UPPER);
03029 }
03030 break;
03031
03032 case TRANSPORT_ROAD:
03033 if ((GetRoadTypes(tile) & sub_mode) != 0 && IsRoadStop(tile)) {
03034 DiagDirection dir = GetRoadStopDir(tile);
03035 Axis axis = DiagDirToAxis(dir);
03036
03037 if (side != INVALID_DIAGDIR) {
03038 if (axis != DiagDirToAxis(side) || (IsStandardRoadStopTile(tile) && dir != side)) break;
03039 }
03040
03041 trackbits = AxisToTrackBits(axis);
03042 }
03043 break;
03044
03045 default:
03046 break;
03047 }
03048
03049 return CombineTrackStatus(TrackBitsToTrackdirBits(trackbits), TRACKDIR_BIT_NONE);
03050 }
03051
03052
03053 static void TileLoop_Station(TileIndex tile)
03054 {
03055
03056
03057 switch (GetStationType(tile)) {
03058 case STATION_AIRPORT:
03059 AirportTileAnimationTrigger(Station::GetByTile(tile), tile, AAT_TILELOOP);
03060 break;
03061
03062 case STATION_DOCK:
03063 if (GetTileSlope(tile) != SLOPE_FLAT) break;
03064
03065 case STATION_OILRIG:
03066 case STATION_BUOY:
03067 TileLoop_Water(tile);
03068 break;
03069
03070 default: break;
03071 }
03072 }
03073
03074
03075 static void AnimateTile_Station(TileIndex tile)
03076 {
03077 if (HasStationRail(tile)) {
03078 AnimateStationTile(tile);
03079 return;
03080 }
03081
03082 if (IsAirport(tile)) {
03083 AnimateAirportTile(tile);
03084 }
03085 }
03086
03087
03088 static bool ClickTile_Station(TileIndex tile)
03089 {
03090 const BaseStation *bst = BaseStation::GetByTile(tile);
03091
03092 if (bst->facilities & FACIL_WAYPOINT) {
03093 ShowWaypointWindow(Waypoint::From(bst));
03094 } else if (IsHangar(tile)) {
03095 const Station *st = Station::From(bst);
03096 ShowDepotWindow(st->airport.GetHangarTile(st->airport.GetHangarNum(tile)), VEH_AIRCRAFT);
03097 } else {
03098 ShowStationViewWindow(bst->index);
03099 }
03100 return true;
03101 }
03102
03103 static VehicleEnterTileStatus VehicleEnter_Station(Vehicle *v, TileIndex tile, int x, int y)
03104 {
03105 if (v->type == VEH_TRAIN) {
03106 StationID station_id = GetStationIndex(tile);
03107 if (!v->current_order.ShouldStopAtStation(v, station_id)) return VETSB_CONTINUE;
03108 if (!IsRailStation(tile) || !v->IsFrontEngine()) return VETSB_CONTINUE;
03109
03110 int station_ahead;
03111 int station_length;
03112 int stop = GetTrainStopLocation(station_id, tile, Train::From(v), &station_ahead, &station_length);
03113
03114
03115
03116
03117
03118 if (!IsInsideBS(stop + station_ahead, station_length, TILE_SIZE)) return VETSB_CONTINUE;
03119
03120 DiagDirection dir = DirToDiagDir(v->direction);
03121
03122 x &= 0xF;
03123 y &= 0xF;
03124
03125 if (DiagDirToAxis(dir) != AXIS_X) Swap(x, y);
03126 if (y == TILE_SIZE / 2) {
03127 if (dir != DIAGDIR_SE && dir != DIAGDIR_SW) x = TILE_SIZE - 1 - x;
03128 stop &= TILE_SIZE - 1;
03129
03130 if (x == stop) return VETSB_ENTERED_STATION | (VehicleEnterTileStatus)(station_id << VETS_STATION_ID_OFFSET);
03131 if (x < stop) {
03132 uint16 spd;
03133
03134 v->vehstatus |= VS_TRAIN_SLOWING;
03135 spd = max(0, (stop - x) * 20 - 15);
03136 if (spd < v->cur_speed) v->cur_speed = spd;
03137 }
03138 }
03139 } else if (v->type == VEH_ROAD) {
03140 RoadVehicle *rv = RoadVehicle::From(v);
03141 if (rv->state < RVSB_IN_ROAD_STOP && !IsReversingRoadTrackdir((Trackdir)rv->state) && rv->frame == 0) {
03142 if (IsRoadStop(tile) && rv->IsFrontEngine()) {
03143
03144 return RoadStop::GetByTile(tile, GetRoadStopType(tile))->Enter(rv) ? VETSB_CONTINUE : VETSB_CANNOT_ENTER;
03145 }
03146 }
03147 }
03148
03149 return VETSB_CONTINUE;
03150 }
03151
03156 void TriggerWatchedCargoCallbacks(Station *st)
03157 {
03158
03159 uint cargoes = 0;
03160 for (CargoID cid = 0; cid < NUM_CARGO; cid++) {
03161 if (HasBit(st->goods[cid].acceptance_pickup, GoodsEntry::GES_ACCEPTED_BIGTICK)) SetBit(cargoes, cid);
03162 }
03163
03164
03165 if (cargoes == 0) return;
03166
03167
03168 Rect r = st->GetCatchmentRect();
03169 TileArea ta(TileXY(r.left, r.top), TileXY(r.right, r.bottom));
03170 TILE_AREA_LOOP(tile, ta) {
03171 if (IsTileType(tile, MP_HOUSE)) {
03172 WatchedCargoCallback(tile, cargoes);
03173 }
03174 }
03175 }
03176
03183 static bool StationHandleBigTick(BaseStation *st)
03184 {
03185 if (!st->IsInUse()) {
03186 if (++st->delete_ctr >= 8) delete st;
03187 return false;
03188 }
03189
03190 if (Station::IsExpected(st)) {
03191 TriggerWatchedCargoCallbacks(Station::From(st));
03192
03193 for (CargoID i = 0; i < NUM_CARGO; i++) {
03194 ClrBit(Station::From(st)->goods[i].acceptance_pickup, GoodsEntry::GES_ACCEPTED_BIGTICK);
03195 }
03196 }
03197
03198
03199 if ((st->facilities & FACIL_WAYPOINT) == 0) UpdateStationAcceptance(Station::From(st), true);
03200
03201 return true;
03202 }
03203
03204 static inline void byte_inc_sat(byte *p)
03205 {
03206 byte b = *p + 1;
03207 if (b != 0) *p = b;
03208 }
03209
03210 static void UpdateStationRating(Station *st)
03211 {
03212 bool waiting_changed = false;
03213
03214 byte_inc_sat(&st->time_since_load);
03215 byte_inc_sat(&st->time_since_unload);
03216
03217 const CargoSpec *cs;
03218 FOR_ALL_CARGOSPECS(cs) {
03219 GoodsEntry *ge = &st->goods[cs->Index()];
03220
03221
03222
03223 if (!ge->HasRating() && ge->rating < INITIAL_STATION_RATING) {
03224 ge->rating++;
03225 }
03226
03227
03228 if (ge->HasRating()) {
03229 byte_inc_sat(&ge->time_since_pickup);
03230
03231 bool skip = false;
03232 int rating = 0;
03233 uint waiting = ge->cargo.TotalCount();
03234
03235
03236
03237
03238 uint num_dests = (uint)ge->cargo.Packets()->MapSize();
03239
03240
03241
03242
03243
03244
03245
03246 uint waiting_avg = waiting / (num_dests + 1);
03247
03248 if (HasBit(cs->callback_mask, CBM_CARGO_STATION_RATING_CALC)) {
03249
03250
03251
03252
03253 uint last_speed = ge->HasVehicleEverTriedLoading() ? ge->last_speed : 0xFF;
03254
03255 uint32 var18 = min(ge->time_since_pickup, 0xFF) | (min(ge->max_waiting_cargo, 0xFFFF) << 8) | (min(last_speed, 0xFF) << 24);
03256
03257 uint32 var10 = (st->last_vehicle_type == VEH_INVALID) ? 0x0 : (st->last_vehicle_type + 0x10);
03258 uint16 callback = GetCargoCallback(CBID_CARGO_STATION_RATING_CALC, var10, var18, cs);
03259 if (callback != CALLBACK_FAILED) {
03260 skip = true;
03261 rating = GB(callback, 0, 14);
03262
03263
03264 if (HasBit(callback, 14)) rating -= 0x4000;
03265 }
03266 }
03267
03268 if (!skip) {
03269 int b = ge->last_speed - 85;
03270 if (b >= 0) rating += b >> 2;
03271
03272 byte waittime = ge->time_since_pickup;
03273 if (st->last_vehicle_type == VEH_SHIP) waittime >>= 2;
03274 (waittime > 21) ||
03275 (rating += 25, waittime > 12) ||
03276 (rating += 25, waittime > 6) ||
03277 (rating += 45, waittime > 3) ||
03278 (rating += 35, true);
03279
03280 (rating -= 90, ge->max_waiting_cargo > 1500) ||
03281 (rating += 55, ge->max_waiting_cargo > 1000) ||
03282 (rating += 35, ge->max_waiting_cargo > 600) ||
03283 (rating += 10, ge->max_waiting_cargo > 300) ||
03284 (rating += 20, ge->max_waiting_cargo > 100) ||
03285 (rating += 10, true);
03286 }
03287
03288 if (Company::IsValidID(st->owner) && HasBit(st->town->statues, st->owner)) rating += 26;
03289
03290 byte age = ge->last_age;
03291 (age >= 3) ||
03292 (rating += 10, age >= 2) ||
03293 (rating += 10, age >= 1) ||
03294 (rating += 13, true);
03295
03296 {
03297 int or_ = ge->rating;
03298
03299
03300 ge->rating = rating = or_ + Clamp(Clamp(rating, 0, 255) - or_, -2, 2);
03301
03302
03303
03304 if (rating <= 64 && waiting_avg >= 100) {
03305 int dec = Random() & 0x1F;
03306 if (waiting_avg < 200) dec &= 7;
03307 waiting -= (dec + 1) * num_dests;
03308 waiting_changed = true;
03309 }
03310
03311
03312 if (rating <= 127 && waiting != 0) {
03313 uint32 r = Random();
03314 if (rating <= (int)GB(r, 0, 7)) {
03315
03316 waiting = max((int)waiting - (int)((GB(r, 8, 2) - 1) * num_dests), 0);
03317 waiting_changed = true;
03318 }
03319 }
03320
03321
03322
03323
03324 static const uint WAITING_CARGO_THRESHOLD = 1 << 12;
03325 static const uint WAITING_CARGO_CUT_FACTOR = 1 << 6;
03326 static const uint MAX_WAITING_CARGO = 1 << 15;
03327
03328 if (waiting > WAITING_CARGO_THRESHOLD) {
03329 uint difference = waiting - WAITING_CARGO_THRESHOLD;
03330 waiting -= (difference / WAITING_CARGO_CUT_FACTOR);
03331
03332 waiting = min(waiting, MAX_WAITING_CARGO);
03333 waiting_changed = true;
03334 }
03335
03336
03337
03338 if (waiting_changed && waiting < ge->cargo.AvailableCount()) {
03339
03340
03341 ge->max_waiting_cargo = 0;
03342
03343
03344
03345
03346 StationCargoAmountMap waiting_per_source;
03347 ge->cargo.Truncate(ge->cargo.AvailableCount() - waiting, &waiting_per_source);
03348 for (StationCargoAmountMap::iterator i(waiting_per_source.begin()); i != waiting_per_source.end(); ++i) {
03349 Station *source_station = Station::GetIfValid(i->first);
03350 if (source_station == NULL) continue;
03351
03352 GoodsEntry &source_ge = source_station->goods[cs->Index()];
03353 source_ge.max_waiting_cargo = max(source_ge.max_waiting_cargo, i->second);
03354 }
03355 } else {
03356
03357 ge->max_waiting_cargo = waiting_avg;
03358 }
03359 }
03360 }
03361 }
03362
03363 StationID index = st->index;
03364 if (waiting_changed) {
03365 SetWindowDirty(WC_STATION_VIEW, index);
03366 } else {
03367 SetWindowWidgetDirty(WC_STATION_VIEW, index, WID_SV_ACCEPT_RATING_LIST);
03368 }
03369 }
03370
03379 void DeleteStaleLinks(Station *from)
03380 {
03381 for (CargoID c = 0; c < NUM_CARGO; ++c) {
03382 GoodsEntry &ge = from->goods[c];
03383 LinkGraph *lg = LinkGraph::GetIfValid(ge.link_graph);
03384 if (lg == NULL) continue;
03385 Node node = (*lg)[ge.node];
03386 for (EdgeIterator it(node.Begin()); it != node.End();) {
03387 Edge edge = it->second;
03388 Station *to = Station::Get((*lg)[it->first].Station());
03389 assert(to->goods[c].node == it->first);
03390 ++it;
03391 assert(_date >= edge.LastUpdate());
03392 if ((uint)(_date - edge.LastUpdate()) > LinkGraph::MIN_TIMEOUT_DISTANCE +
03393 (DistanceManhattan(from->xy, to->xy) >> 2)) {
03394 node.RemoveEdge(to->goods[c].node);
03395 ge.cargo.Reroute(UINT_MAX, &ge.cargo, to->index, from->index, &ge);
03396 }
03397 }
03398 assert(_date >= lg->LastCompression());
03399 if ((uint)(_date - lg->LastCompression()) > LinkGraph::COMPRESSION_INTERVAL) {
03400 lg->Compress();
03401 }
03402 }
03403 }
03404
03413 void IncreaseStats(Station *st, CargoID cargo, StationID next_station_id, uint capacity, uint usage)
03414 {
03415 GoodsEntry &ge1 = st->goods[cargo];
03416 Station *st2 = Station::Get(next_station_id);
03417 GoodsEntry &ge2 = st2->goods[cargo];
03418 LinkGraph *lg = NULL;
03419 if (ge1.link_graph == INVALID_LINK_GRAPH) {
03420 if (ge2.link_graph == INVALID_LINK_GRAPH) {
03421 if (LinkGraph::CanAllocateItem()) {
03422 lg = new LinkGraph(cargo);
03423 LinkGraphSchedule::Instance()->Queue(lg);
03424 ge2.link_graph = lg->index;
03425 ge2.node = lg->AddNode(st2);
03426 } else {
03427 DEBUG(misc, 0, "Can't allocate link graph");
03428 }
03429 } else {
03430 lg = LinkGraph::Get(ge2.link_graph);
03431 }
03432 if (lg) {
03433 ge1.link_graph = lg->index;
03434 ge1.node = lg->AddNode(st);
03435 }
03436 } else if (ge2.link_graph == INVALID_LINK_GRAPH) {
03437 lg = LinkGraph::Get(ge1.link_graph);
03438 ge2.link_graph = lg->index;
03439 ge2.node = lg->AddNode(st2);
03440 } else {
03441 lg = LinkGraph::Get(ge1.link_graph);
03442 if (ge1.link_graph != ge2.link_graph) {
03443 LinkGraph *lg2 = LinkGraph::Get(ge2.link_graph);
03444 if (lg->Size() < lg2->Size()) {
03445 LinkGraphSchedule::Instance()->Unqueue(lg);
03446 lg2->Merge(lg);
03447 lg = lg2;
03448 } else {
03449 LinkGraphSchedule::Instance()->Unqueue(lg2);
03450 lg->Merge(lg2);
03451 }
03452 }
03453 }
03454 if (lg != NULL) {
03455 (*lg)[ge1.node].UpdateEdge(ge2.node, capacity, usage);
03456 }
03457 }
03458
03465 void IncreaseStats(Station *st, const Vehicle *front, StationID next_station_id)
03466 {
03467 for (const Vehicle *v = front; v != NULL; v = v->Next()) {
03468 if (v->refit_cap > 0) {
03469
03470
03471
03472
03473
03474
03475 IncreaseStats(st, v->cargo_type, next_station_id, v->refit_cap,
03476 min(v->refit_cap, v->cargo.StoredCount()));
03477 }
03478 }
03479 }
03480
03481
03482 static void StationHandleSmallTick(BaseStation *st)
03483 {
03484 if ((st->facilities & FACIL_WAYPOINT) != 0 || !st->IsInUse()) return;
03485
03486 byte b = st->delete_ctr + 1;
03487 if (b >= STATION_RATING_TICKS) b = 0;
03488 st->delete_ctr = b;
03489
03490 if (b == 0) UpdateStationRating(Station::From(st));
03491 }
03492
03493 void OnTick_Station()
03494 {
03495 if (_game_mode == GM_EDITOR) return;
03496
03497 BaseStation *st;
03498 FOR_ALL_BASE_STATIONS(st) {
03499 StationHandleSmallTick(st);
03500
03501
03502 if (Station::IsExpected(st) && (_tick_counter + st->index) % STATION_LINKGRAPH_TICKS == 0) {
03503 DeleteStaleLinks(Station::From(st));
03504 };
03505
03506
03507
03508
03509 if ((_tick_counter + st->index) % STATION_ACCEPTANCE_TICKS == 0) {
03510
03511 if (!StationHandleBigTick(st)) continue;
03512 TriggerStationAnimation(st, st->xy, SAT_250_TICKS);
03513 if (Station::IsExpected(st)) AirportAnimationTrigger(Station::From(st), AAT_STATION_250_TICKS);
03514 }
03515 }
03516 }
03517
03519 void StationMonthlyLoop()
03520 {
03521 Station *st;
03522
03523 FOR_ALL_STATIONS(st) {
03524 for (CargoID i = 0; i < NUM_CARGO; i++) {
03525 GoodsEntry *ge = &st->goods[i];
03526 SB(ge->acceptance_pickup, GoodsEntry::GES_LAST_MONTH, 1, GB(ge->acceptance_pickup, GoodsEntry::GES_CURRENT_MONTH, 1));
03527 ClrBit(ge->acceptance_pickup, GoodsEntry::GES_CURRENT_MONTH);
03528 }
03529 }
03530 }
03531
03532
03533 void ModifyStationRatingAround(TileIndex tile, Owner owner, int amount, uint radius)
03534 {
03535 Station *st;
03536
03537 FOR_ALL_STATIONS(st) {
03538 if (st->owner == owner &&
03539 DistanceManhattan(tile, st->xy) <= radius) {
03540 for (CargoID i = 0; i < NUM_CARGO; i++) {
03541 GoodsEntry *ge = &st->goods[i];
03542
03543 if (ge->acceptance_pickup != 0) {
03544 ge->rating = Clamp(ge->rating + amount, 0, 255);
03545 }
03546 }
03547 }
03548 }
03549 }
03550
03551 static uint UpdateStationWaiting(Station *st, CargoID type, uint amount, SourceType source_type, SourceID source_id)
03552 {
03553
03554
03555 if (!CargoPacket::CanAllocateItem()) return 0;
03556
03557 GoodsEntry &ge = st->goods[type];
03558 amount += ge.amount_fract;
03559 ge.amount_fract = GB(amount, 0, 8);
03560
03561 amount >>= 8;
03562
03563 if (amount == 0) return 0;
03564
03565 StationID next = ge.GetVia(st->index);
03566 ge.cargo.Append(new CargoPacket(st->index, st->xy, amount, source_type, source_id), next);
03567 LinkGraph *lg = NULL;
03568 if (ge.link_graph == INVALID_LINK_GRAPH) {
03569 if (LinkGraph::CanAllocateItem()) {
03570 lg = new LinkGraph(type);
03571 LinkGraphSchedule::Instance()->Queue(lg);
03572 ge.link_graph = lg->index;
03573 ge.node = lg->AddNode(st);
03574 } else {
03575 DEBUG(misc, 0, "Can't allocate link graph");
03576 }
03577 } else {
03578 lg = LinkGraph::Get(ge.link_graph);
03579 }
03580 if (lg != NULL) (*lg)[ge.node].UpdateSupply(amount);
03581
03582 if (!ge.HasRating()) {
03583 InvalidateWindowData(WC_STATION_LIST, st->index);
03584 SetBit(ge.acceptance_pickup, GoodsEntry::GES_PICKUP);
03585 }
03586
03587 TriggerStationRandomisation(st, st->xy, SRT_NEW_CARGO, type);
03588 TriggerStationAnimation(st, st->xy, SAT_NEW_CARGO, type);
03589 AirportAnimationTrigger(st, AAT_STATION_NEW_CARGO, type);
03590
03591 SetWindowDirty(WC_STATION_VIEW, st->index);
03592 st->MarkTilesDirty(true);
03593 return amount;
03594 }
03595
03596 static bool IsUniqueStationName(const char *name)
03597 {
03598 const Station *st;
03599
03600 FOR_ALL_STATIONS(st) {
03601 if (st->name != NULL && strcmp(st->name, name) == 0) return false;
03602 }
03603
03604 return true;
03605 }
03606
03616 CommandCost CmdRenameStation(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
03617 {
03618 Station *st = Station::GetIfValid(p1);
03619 if (st == NULL) return CMD_ERROR;
03620
03621 CommandCost ret = CheckOwnership(st->owner);
03622 if (ret.Failed()) return ret;
03623
03624 bool reset = StrEmpty(text);
03625
03626 if (!reset) {
03627 if (Utf8StringLength(text) >= MAX_LENGTH_STATION_NAME_CHARS) return CMD_ERROR;
03628 if (!IsUniqueStationName(text)) return_cmd_error(STR_ERROR_NAME_MUST_BE_UNIQUE);
03629 }
03630
03631 if (flags & DC_EXEC) {
03632 free(st->name);
03633 st->name = reset ? NULL : strdup(text);
03634
03635 st->UpdateVirtCoord();
03636 InvalidateWindowData(WC_STATION_LIST, st->owner, 1);
03637 }
03638
03639 return CommandCost();
03640 }
03641
03648 void FindStationsAroundTiles(const TileArea &location, StationList *stations)
03649 {
03650
03651 uint max_rad = (_settings_game.station.modified_catchment ? MAX_CATCHMENT : CA_UNMODIFIED);
03652
03653 uint x = TileX(location.tile);
03654 uint y = TileY(location.tile);
03655
03656 uint min_x = (x > max_rad) ? x - max_rad : 0;
03657 uint max_x = x + location.w + max_rad;
03658 uint min_y = (y > max_rad) ? y - max_rad : 0;
03659 uint max_y = y + location.h + max_rad;
03660
03661 if (min_x == 0 && _settings_game.construction.freeform_edges) min_x = 1;
03662 if (min_y == 0 && _settings_game.construction.freeform_edges) min_y = 1;
03663 if (max_x >= MapSizeX()) max_x = MapSizeX() - 1;
03664 if (max_y >= MapSizeY()) max_y = MapSizeY() - 1;
03665
03666 for (uint cy = min_y; cy < max_y; cy++) {
03667 for (uint cx = min_x; cx < max_x; cx++) {
03668 TileIndex cur_tile = TileXY(cx, cy);
03669 if (!IsTileType(cur_tile, MP_STATION)) continue;
03670
03671 Station *st = Station::GetByTile(cur_tile);
03672
03673 if (st == NULL) continue;
03674
03675 if (_settings_game.station.modified_catchment) {
03676 int rad = st->GetCatchmentRadius();
03677 int rad_x = cx - x;
03678 int rad_y = cy - y;
03679
03680 if (rad_x < -rad || rad_x >= rad + location.w) continue;
03681 if (rad_y < -rad || rad_y >= rad + location.h) continue;
03682 }
03683
03684
03685
03686
03687 stations->Include(st);
03688 }
03689 }
03690 }
03691
03696 const StationList *StationFinder::GetStations()
03697 {
03698 if (this->tile != INVALID_TILE) {
03699 FindStationsAroundTiles(*this, &this->stations);
03700 this->tile = INVALID_TILE;
03701 }
03702 return &this->stations;
03703 }
03704
03705 uint MoveGoodsToStation(CargoID type, uint amount, SourceType source_type, SourceID source_id, const StationList *all_stations)
03706 {
03707
03708 if (amount == 0) return 0;
03709
03710 Station *st1 = NULL;
03711 Station *st2 = NULL;
03712 uint best_rating1 = 0;
03713 uint best_rating2 = 0;
03714
03715 for (Station * const *st_iter = all_stations->Begin(); st_iter != all_stations->End(); ++st_iter) {
03716 Station *st = *st_iter;
03717
03718
03719 if (st->town->exclusive_counter > 0 && st->town->exclusivity != st->owner) continue;
03720
03721 if (st->goods[type].rating == 0) continue;
03722
03723 if (_settings_game.order.selectgoods && !st->goods[type].HasVehicleEverTriedLoading()) continue;
03724
03725 if (IsCargoInClass(type, CC_PASSENGERS)) {
03726 if (st->facilities == FACIL_TRUCK_STOP) continue;
03727 } else {
03728 if (st->facilities == FACIL_BUS_STOP) continue;
03729 }
03730
03731
03732 if (st1 == NULL || st->goods[type].rating >= best_rating1) {
03733 st2 = st1; best_rating2 = best_rating1; st1 = st; best_rating1 = st->goods[type].rating;
03734 } else if (st2 == NULL || st->goods[type].rating >= best_rating2) {
03735 st2 = st; best_rating2 = st->goods[type].rating;
03736 }
03737 }
03738
03739
03740 if (st1 == NULL) return 0;
03741
03742
03743
03744 amount *= best_rating1 + 1;
03745
03746 if (st2 == NULL) {
03747
03748 return UpdateStationWaiting(st1, type, amount, source_type, source_id);
03749 }
03750
03751
03752 assert(st1 != NULL);
03753 assert(st2 != NULL);
03754 assert(best_rating1 != 0 || best_rating2 != 0);
03755
03756
03757
03758
03759
03760
03761 uint worst_cargo = amount * best_rating2 / (best_rating1 + best_rating2);
03762 assert(worst_cargo <= (amount - worst_cargo));
03763
03764
03765 uint moved = UpdateStationWaiting(st1, type, amount - worst_cargo, source_type, source_id);
03766
03767
03768 return moved + UpdateStationWaiting(st2, type, worst_cargo, source_type, source_id);
03769 }
03770
03771 void BuildOilRig(TileIndex tile)
03772 {
03773 if (!Station::CanAllocateItem()) {
03774 DEBUG(misc, 0, "Can't allocate station for oilrig at 0x%X, reverting to oilrig only", tile);
03775 return;
03776 }
03777
03778 Station *st = new Station(tile);
03779 st->town = ClosestTownFromTile(tile, UINT_MAX);
03780
03781 st->string_id = GenerateStationName(st, tile, STATIONNAMING_OILRIG);
03782
03783 assert(IsTileType(tile, MP_INDUSTRY));
03784 DeleteAnimatedTile(tile);
03785 MakeOilrig(tile, st->index, GetWaterClass(tile));
03786
03787 st->owner = OWNER_NONE;
03788 st->airport.type = AT_OILRIG;
03789 st->airport.Add(tile);
03790 st->dock_tile = tile;
03791 st->facilities = FACIL_AIRPORT | FACIL_DOCK;
03792 st->build_date = _date;
03793
03794 st->rect.BeforeAddTile(tile, StationRect::ADD_FORCE);
03795
03796 st->UpdateVirtCoord();
03797 UpdateStationAcceptance(st, false);
03798 st->RecomputeIndustriesNear();
03799 }
03800
03801 void DeleteOilRig(TileIndex tile)
03802 {
03803 Station *st = Station::GetByTile(tile);
03804
03805 MakeWaterKeepingClass(tile, OWNER_NONE);
03806
03807 st->dock_tile = INVALID_TILE;
03808 st->airport.Clear();
03809 st->facilities &= ~(FACIL_AIRPORT | FACIL_DOCK);
03810 st->airport.flags = 0;
03811
03812 st->rect.AfterRemoveTile(st, tile);
03813
03814 st->UpdateVirtCoord();
03815 st->RecomputeIndustriesNear();
03816 if (!st->IsInUse()) delete st;
03817 }
03818
03819 static void ChangeTileOwner_Station(TileIndex tile, Owner old_owner, Owner new_owner)
03820 {
03821 if (IsRoadStopTile(tile)) {
03822 for (RoadType rt = ROADTYPE_ROAD; rt < ROADTYPE_END; rt++) {
03823
03824 if (GetRoadOwner(tile, rt) == old_owner) {
03825 if (HasTileRoadType(tile, rt)) {
03826
03827 Company::Get(old_owner)->infrastructure.road[rt] -= 2;
03828 if (new_owner != INVALID_OWNER) Company::Get(new_owner)->infrastructure.road[rt] += 2;
03829 }
03830 SetRoadOwner(tile, rt, new_owner == INVALID_OWNER ? OWNER_NONE : new_owner);
03831 }
03832 }
03833 }
03834
03835 if (!IsTileOwner(tile, old_owner)) return;
03836
03837 if (new_owner != INVALID_OWNER) {
03838
03839
03840
03841
03842 Company *old_company = Company::Get(old_owner);
03843 Company *new_company = Company::Get(new_owner);
03844
03845
03846 switch (GetStationType(tile)) {
03847 case STATION_RAIL:
03848 case STATION_WAYPOINT:
03849 if (!IsStationTileBlocked(tile)) {
03850 old_company->infrastructure.rail[GetRailType(tile)]--;
03851 new_company->infrastructure.rail[GetRailType(tile)]++;
03852 }
03853 break;
03854
03855 case STATION_BUS:
03856 case STATION_TRUCK:
03857
03858 break;
03859
03860 case STATION_BUOY:
03861 case STATION_DOCK:
03862 if (GetWaterClass(tile) == WATER_CLASS_CANAL) {
03863 old_company->infrastructure.water--;
03864 new_company->infrastructure.water++;
03865 }
03866 break;
03867
03868 default:
03869 break;
03870 }
03871
03872
03873 if (!IsBuoy(tile) && !IsAirport(tile)) {
03874 old_company->infrastructure.station--;
03875 new_company->infrastructure.station++;
03876 }
03877
03878
03879 SetTileOwner(tile, new_owner);
03880 InvalidateWindowClassesData(WC_STATION_LIST, 0);
03881 } else {
03882 if (IsDriveThroughStopTile(tile)) {
03883
03884 DoCommand(tile, 1 | 1 << 8, (GetStationType(tile) == STATION_TRUCK) ? ROADSTOP_TRUCK : ROADSTOP_BUS, DC_EXEC | DC_BANKRUPT, CMD_REMOVE_ROAD_STOP);
03885 assert(IsTileType(tile, MP_ROAD));
03886
03887 ChangeTileOwner(tile, old_owner, new_owner);
03888 } else {
03889 DoCommand(tile, 0, 0, DC_EXEC | DC_BANKRUPT, CMD_LANDSCAPE_CLEAR);
03890
03891
03892
03893 if ((IsTileType(tile, MP_WATER) || IsBuoyTile(tile)) && IsTileOwner(tile, old_owner)) SetTileOwner(tile, OWNER_NONE);
03894 }
03895 }
03896 }
03897
03906 static bool CanRemoveRoadWithStop(TileIndex tile, DoCommandFlag flags)
03907 {
03908
03909 if (_current_company == OWNER_WATER) return true;
03910
03911 RoadTypes rts = GetRoadTypes(tile);
03912 if (HasBit(rts, ROADTYPE_TRAM)) {
03913 Owner tram_owner = GetRoadOwner(tile, ROADTYPE_TRAM);
03914 if (tram_owner != OWNER_NONE && CheckOwnership(tram_owner).Failed()) return false;
03915 }
03916 if (HasBit(rts, ROADTYPE_ROAD)) {
03917 Owner road_owner = GetRoadOwner(tile, ROADTYPE_ROAD);
03918 if (road_owner != OWNER_TOWN) {
03919 if (road_owner != OWNER_NONE && CheckOwnership(road_owner).Failed()) return false;
03920 } else {
03921 if (CheckAllowRemoveRoad(tile, GetAnyRoadBits(tile, ROADTYPE_ROAD), OWNER_TOWN, ROADTYPE_ROAD, flags).Failed()) return false;
03922 }
03923 }
03924
03925 return true;
03926 }
03927
03934 CommandCost ClearTile_Station(TileIndex tile, DoCommandFlag flags)
03935 {
03936 if (flags & DC_AUTO) {
03937 switch (GetStationType(tile)) {
03938 default: break;
03939 case STATION_RAIL: return_cmd_error(STR_ERROR_MUST_DEMOLISH_RAILROAD);
03940 case STATION_WAYPOINT: return_cmd_error(STR_ERROR_BUILDING_MUST_BE_DEMOLISHED);
03941 case STATION_AIRPORT: return_cmd_error(STR_ERROR_MUST_DEMOLISH_AIRPORT_FIRST);
03942 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);
03943 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);
03944 case STATION_BUOY: return_cmd_error(STR_ERROR_BUOY_IN_THE_WAY);
03945 case STATION_DOCK: return_cmd_error(STR_ERROR_MUST_DEMOLISH_DOCK_FIRST);
03946 case STATION_OILRIG:
03947 SetDParam(1, STR_INDUSTRY_NAME_OIL_RIG);
03948 return_cmd_error(STR_ERROR_GENERIC_OBJECT_IN_THE_WAY);
03949 }
03950 }
03951
03952 switch (GetStationType(tile)) {
03953 case STATION_RAIL: return RemoveRailStation(tile, flags);
03954 case STATION_WAYPOINT: return RemoveRailWaypoint(tile, flags);
03955 case STATION_AIRPORT: return RemoveAirport(tile, flags);
03956 case STATION_TRUCK:
03957 if (IsDriveThroughStopTile(tile) && !CanRemoveRoadWithStop(tile, flags)) {
03958 return_cmd_error(STR_ERROR_MUST_DEMOLISH_TRUCK_STATION_FIRST);
03959 }
03960 return RemoveRoadStop(tile, flags);
03961 case STATION_BUS:
03962 if (IsDriveThroughStopTile(tile) && !CanRemoveRoadWithStop(tile, flags)) {
03963 return_cmd_error(STR_ERROR_MUST_DEMOLISH_BUS_STATION_FIRST);
03964 }
03965 return RemoveRoadStop(tile, flags);
03966 case STATION_BUOY: return RemoveBuoy(tile, flags);
03967 case STATION_DOCK: return RemoveDock(tile, flags);
03968 default: break;
03969 }
03970
03971 return CMD_ERROR;
03972 }
03973
03974 static CommandCost TerraformTile_Station(TileIndex tile, DoCommandFlag flags, int z_new, Slope tileh_new)
03975 {
03976 if (_settings_game.construction.build_on_slopes && AutoslopeEnabled()) {
03977
03978
03979
03980 if (GetTileMaxZ(tile) == z_new + GetSlopeMaxZ(tileh_new)) {
03981 switch (GetStationType(tile)) {
03982 case STATION_WAYPOINT:
03983 case STATION_RAIL: {
03984 DiagDirection direction = AxisToDiagDir(GetRailStationAxis(tile));
03985 if (!AutoslopeCheckForEntranceEdge(tile, z_new, tileh_new, direction)) break;
03986 if (!AutoslopeCheckForEntranceEdge(tile, z_new, tileh_new, ReverseDiagDir(direction))) break;
03987 return CommandCost(EXPENSES_CONSTRUCTION, _price[PR_BUILD_FOUNDATION]);
03988 }
03989
03990 case STATION_AIRPORT:
03991 return CommandCost(EXPENSES_CONSTRUCTION, _price[PR_BUILD_FOUNDATION]);
03992
03993 case STATION_TRUCK:
03994 case STATION_BUS: {
03995 DiagDirection direction = GetRoadStopDir(tile);
03996 if (!AutoslopeCheckForEntranceEdge(tile, z_new, tileh_new, direction)) break;
03997 if (IsDriveThroughStopTile(tile)) {
03998 if (!AutoslopeCheckForEntranceEdge(tile, z_new, tileh_new, ReverseDiagDir(direction))) break;
03999 }
04000 return CommandCost(EXPENSES_CONSTRUCTION, _price[PR_BUILD_FOUNDATION]);
04001 }
04002
04003 default: break;
04004 }
04005 }
04006 }
04007 return DoCommand(tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR);
04008 }
04009
04015 uint FlowStat::GetShare(StationID st) const
04016 {
04017 uint32 prev = 0;
04018 for (SharesMap::const_iterator it = this->shares.begin(); it != this->shares.end(); ++it) {
04019 if (it->second == st) {
04020 return it->first - prev;
04021 } else {
04022 prev = it->first;
04023 }
04024 }
04025 return 0;
04026 }
04027
04033 StationID FlowStat::GetVia(StationID excluded, StationID excluded2) const
04034 {
04035 assert(!this->shares.empty());
04036 uint max = (--this->shares.end())->first - 1;
04037 SharesMap::const_iterator it = this->shares.upper_bound(RandomRange(max));
04038 assert(it != this->shares.end());
04039 if (it->second != excluded && it->second != excluded2) return it->second;
04040
04041
04042
04043
04044 uint end = it->first;
04045 uint begin = (it == this->shares.begin() ? 0 : (--it)->first);
04046 uint interval = end - begin;
04047 if (interval > max) return INVALID_STATION;
04048 uint new_max = max - interval;
04049 uint rand = RandomRange(new_max);
04050 SharesMap::const_iterator it2 = (rand < begin) ? this->shares.upper_bound(rand) :
04051 this->shares.upper_bound(rand + interval);
04052 if (it2->second != excluded && it2->second != excluded2) return it2->second;
04053
04054
04055
04056
04057 uint end2 = it2->first;
04058 uint begin2 = (it2 == this->shares.begin() ? 0 : (--it2)->first);
04059 uint interval2 = end2 - begin2;
04060 if (interval2 > new_max) return INVALID_STATION;
04061 new_max -= interval2;
04062 if (begin > begin2) {
04063 Swap(begin, begin2);
04064 Swap(end, end2);
04065 Swap(interval, interval2);
04066 }
04067 rand = RandomRange(new_max);
04068 if (rand < begin) {
04069 return this->shares.upper_bound(rand)->second;
04070 } else if (rand < begin2 - interval) {
04071 return this->shares.upper_bound(rand + interval)->second;
04072 } else {
04073 return this->shares.upper_bound(rand + interval + interval2)->second;
04074 }
04075
04076 }
04077
04084 void FlowStat::ChangeShare(StationID st, int flow)
04085 {
04086
04087
04088 assert(!this->shares.empty());
04089
04090 int32 added_shares = 0;
04091 uint32 last_share = 0;
04092 SharesMap new_shares;
04093 for (SharesMap::iterator it(this->shares.begin()); it != this->shares.end(); ++it) {
04094 if (it->second == st) {
04095 uint share = it->first - last_share;
04096 int change = flow - added_shares;
04097 uint new_share = (change < 0 && (uint)(-change) > share) ? 0 : share + change;
04098 added_shares -= share;
04099 added_shares += new_share;
04100 if (new_share > 0) {
04101 new_shares[it->first + added_shares] = it->second;
04102 }
04103 } else {
04104 new_shares[it->first + added_shares] = it->second;
04105 }
04106 last_share = it->first;
04107 }
04108 if (flow > added_shares) {
04109 new_shares[last_share + flow - added_shares] = st;
04110 }
04111 this->shares.swap(new_shares);
04112 }
04113
04120 void FlowStatMap::AddFlow(StationID origin, StationID via, uint flow)
04121 {
04122 FlowStatMap::iterator origin_it = this->find(origin);
04123 if (origin_it == this->end()) {
04124 this->insert(std::make_pair(origin, FlowStat(via, flow)));
04125 } else {
04126 origin_it->second.ChangeShare(via, flow);
04127 assert(!origin_it->second.GetShares()->empty());
04128 }
04129 }
04130
04139 void FlowStatMap::PassOnFlow(StationID origin, StationID via, uint flow)
04140 {
04141 FlowStatMap::iterator prev_it = this->find(origin);
04142 if (prev_it == this->end()) {
04143 FlowStat fs(via, flow);
04144 fs.AppendShare(INVALID_STATION, flow);
04145 this->insert(std::make_pair(origin, fs));
04146 } else {
04147 prev_it->second.ChangeShare(via, flow);
04148 prev_it->second.ChangeShare(INVALID_STATION, flow);
04149 assert(!prev_it->second.GetShares()->empty());
04150 }
04151 }
04152
04157 void FlowStatMap::FinalizeLocalConsumption(StationID self)
04158 {
04159 for (FlowStatMap::iterator i = this->begin(); i != this->end(); ++i) {
04160 FlowStat &fs = i->second;
04161 uint local = fs.GetShare(INVALID_STATION);
04162 fs.ChangeShare(self, -local);
04163 fs.ChangeShare(INVALID_STATION, -local);
04164
04165
04166
04167 assert(!fs.GetShares()->empty());
04168 }
04169 }
04170
04175 void FlowStatMap::DeleteFlows(StationID via)
04176 {
04177 for (FlowStatMap::iterator f_it = this->begin(); f_it != this->end();) {
04178 FlowStat &s_flows = f_it->second;
04179 s_flows.ChangeShare(via, INT_MIN);
04180 if (s_flows.GetShares()->empty()) {
04181 this->erase(f_it++);
04182 } else {
04183 ++f_it;
04184 }
04185 }
04186 }
04187
04193 uint GoodsEntry::GetSumFlowVia(StationID via) const
04194 {
04195 uint ret = 0;
04196 for (FlowStatMap::const_iterator i = this->flows.begin(); i != this->flows.end(); ++i) {
04197 ret += i->second.GetShare(via);
04198 }
04199 return ret;
04200 }
04201
04202 extern const TileTypeProcs _tile_type_station_procs = {
04203 DrawTile_Station,
04204 GetSlopePixelZ_Station,
04205 ClearTile_Station,
04206 NULL,
04207 GetTileDesc_Station,
04208 GetTileTrackStatus_Station,
04209 ClickTile_Station,
04210 AnimateTile_Station,
04211 TileLoop_Station,
04212 ChangeTileOwner_Station,
04213 NULL,
04214 VehicleEnter_Station,
04215 GetFoundation_Station,
04216 TerraformTile_Station,
04217 };