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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
01433 CommandCost error;
01434
01435
01436 TILE_AREA_LOOP(tile, ta) {
01437
01438 if (!HasStationTileRail(tile)) continue;
01439
01440
01441 CommandCost ret = EnsureNoVehicleOnGround(tile);
01442 error.AddCost(ret);
01443 if (ret.Failed()) continue;
01444
01445
01446 T *st = T::GetByTile(tile);
01447 if (st == NULL) continue;
01448
01449 if (_current_company != OWNER_WATER) {
01450 CommandCost ret = CheckOwnership(st->owner);
01451 error.AddCost(ret);
01452 if (ret.Failed()) continue;
01453 }
01454
01455
01456 quantity++;
01457
01458 if (keep_rail || IsStationTileBlocked(tile)) {
01459
01460
01461 total_cost.AddCost(-_price[PR_CLEAR_RAIL]);
01462 }
01463
01464 if (flags & DC_EXEC) {
01465
01466 uint specindex = GetCustomStationSpecIndex(tile);
01467 Track track = GetRailStationTrack(tile);
01468 Owner owner = GetTileOwner(tile);
01469 RailType rt = GetRailType(tile);
01470 Train *v = NULL;
01471
01472 if (HasStationReservation(tile)) {
01473 v = GetTrainForReservation(tile, track);
01474 if (v != NULL) {
01475
01476 FreeTrainTrackReservation(v);
01477 if (IsRailStationTile(v->tile)) SetRailStationPlatformReservation(v->tile, TrackdirToExitdir(v->GetVehicleTrackdir()), false);
01478 Vehicle *temp = v;
01479 for (; temp->Next() != NULL; temp = temp->Next()) { }
01480 if (IsRailStationTile(temp->tile)) SetRailStationPlatformReservation(temp->tile, TrackdirToExitdir(ReverseTrackdir(temp->GetVehicleTrackdir())), false);
01481 }
01482 }
01483
01484 bool build_rail = keep_rail && !IsStationTileBlocked(tile);
01485 if (!build_rail && !IsStationTileBlocked(tile)) Company::Get(owner)->infrastructure.rail[rt]--;
01486
01487 DoClearSquare(tile);
01488 DeleteNewGRFInspectWindow(GSF_STATIONS, tile);
01489 if (build_rail) MakeRailNormal(tile, owner, TrackToTrackBits(track), rt);
01490 Company::Get(owner)->infrastructure.station--;
01491 DirtyCompanyInfrastructureWindows(owner);
01492
01493 st->rect.AfterRemoveTile(st, tile);
01494 AddTrackToSignalBuffer(tile, track, owner);
01495 YapfNotifyTrackLayoutChange(tile, track);
01496
01497 DeallocateSpecFromStation(st, specindex);
01498
01499 affected_stations.Include(st);
01500
01501 if (v != NULL) {
01502
01503 if (IsRailStationTile(v->tile)) SetRailStationPlatformReservation(v->tile, TrackdirToExitdir(v->GetVehicleTrackdir()), true);
01504 TryPathReserve(v, true, true);
01505 for (; v->Next() != NULL; v = v->Next()) { }
01506 if (IsRailStationTile(v->tile)) SetRailStationPlatformReservation(v->tile, TrackdirToExitdir(ReverseTrackdir(v->GetVehicleTrackdir())), true);
01507 }
01508 }
01509 }
01510
01511 if (quantity == 0) return error.Failed() ? error : CommandCost(STR_ERROR_THERE_IS_NO_STATION);
01512
01513 for (T **stp = affected_stations.Begin(); stp != affected_stations.End(); stp++) {
01514 T *st = *stp;
01515
01516
01517
01518
01519 MakeRailStationAreaSmaller(st);
01520 UpdateStationSignCoord(st);
01521
01522
01523 if (st->train_station.tile == INVALID_TILE) {
01524 st->facilities &= ~FACIL_TRAIN;
01525 SetWindowWidgetDirty(WC_STATION_VIEW, st->index, WID_SV_TRAINS);
01526 st->UpdateVirtCoord();
01527 DeleteStationIfEmpty(st);
01528 }
01529 }
01530
01531 total_cost.AddCost(quantity * removal_cost);
01532 return total_cost;
01533 }
01534
01546 CommandCost CmdRemoveFromRailStation(TileIndex start, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
01547 {
01548 TileIndex end = p1 == 0 ? start : p1;
01549 if (start >= MapSize() || end >= MapSize()) return CMD_ERROR;
01550
01551 TileArea ta(start, end);
01552 SmallVector<Station *, 4> affected_stations;
01553
01554 CommandCost ret = RemoveFromRailBaseStation(ta, affected_stations, flags, _price[PR_CLEAR_STATION_RAIL], HasBit(p2, 0));
01555 if (ret.Failed()) return ret;
01556
01557
01558 for (Station **stp = affected_stations.Begin(); stp != affected_stations.End(); stp++) {
01559 Station *st = *stp;
01560
01561 if (st->train_station.tile == INVALID_TILE) SetWindowWidgetDirty(WC_STATION_VIEW, st->index, WID_SV_TRAINS);
01562 st->MarkTilesDirty(false);
01563 st->RecomputeIndustriesNear();
01564 }
01565
01566
01567 return ret;
01568 }
01569
01581 CommandCost CmdRemoveFromRailWaypoint(TileIndex start, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
01582 {
01583 TileIndex end = p1 == 0 ? start : p1;
01584 if (start >= MapSize() || end >= MapSize()) return CMD_ERROR;
01585
01586 TileArea ta(start, end);
01587 SmallVector<Waypoint *, 4> affected_stations;
01588
01589 return RemoveFromRailBaseStation(ta, affected_stations, flags, _price[PR_CLEAR_WAYPOINT_RAIL], HasBit(p2, 0));
01590 }
01591
01592
01600 template <class T>
01601 CommandCost RemoveRailStation(T *st, DoCommandFlag flags)
01602 {
01603
01604 if (_current_company != OWNER_WATER) {
01605 CommandCost ret = CheckOwnership(st->owner);
01606 if (ret.Failed()) return ret;
01607 }
01608
01609
01610 TileArea ta = st->train_station;
01611
01612 assert(ta.w != 0 && ta.h != 0);
01613
01614 CommandCost cost(EXPENSES_CONSTRUCTION);
01615
01616 TILE_AREA_LOOP(tile, ta) {
01617
01618 if (!st->TileBelongsToRailStation(tile)) continue;
01619
01620 CommandCost ret = EnsureNoVehicleOnGround(tile);
01621 if (ret.Failed()) return ret;
01622
01623 cost.AddCost(_price[PR_CLEAR_STATION_RAIL]);
01624 if (flags & DC_EXEC) {
01625
01626 Track track = GetRailStationTrack(tile);
01627 Owner owner = GetTileOwner(tile);
01628 Train *v = NULL;
01629 if (HasStationReservation(tile)) {
01630 v = GetTrainForReservation(tile, track);
01631 if (v != NULL) FreeTrainTrackReservation(v);
01632 }
01633 if (!IsStationTileBlocked(tile)) Company::Get(owner)->infrastructure.rail[GetRailType(tile)]--;
01634 Company::Get(owner)->infrastructure.station--;
01635 DoClearSquare(tile);
01636 DeleteNewGRFInspectWindow(GSF_STATIONS, tile);
01637 AddTrackToSignalBuffer(tile, track, owner);
01638 YapfNotifyTrackLayoutChange(tile, track);
01639 if (v != NULL) TryPathReserve(v, true);
01640 }
01641 }
01642
01643 if (flags & DC_EXEC) {
01644 st->rect.AfterRemoveRect(st, st->train_station);
01645
01646 st->train_station.Clear();
01647
01648 st->facilities &= ~FACIL_TRAIN;
01649
01650 free(st->speclist);
01651 st->num_specs = 0;
01652 st->speclist = NULL;
01653 st->cached_anim_triggers = 0;
01654
01655 DirtyCompanyInfrastructureWindows(st->owner);
01656 SetWindowWidgetDirty(WC_STATION_VIEW, st->index, WID_SV_TRAINS);
01657 st->UpdateVirtCoord();
01658 DeleteStationIfEmpty(st);
01659 }
01660
01661 return cost;
01662 }
01663
01670 static CommandCost RemoveRailStation(TileIndex tile, DoCommandFlag flags)
01671 {
01672
01673 if (_current_company == OWNER_WATER) {
01674 return DoCommand(tile, 0, 0, DC_EXEC, CMD_REMOVE_FROM_RAIL_STATION);
01675 }
01676
01677 Station *st = Station::GetByTile(tile);
01678 CommandCost cost = RemoveRailStation(st, flags);
01679
01680 if (flags & DC_EXEC) st->RecomputeIndustriesNear();
01681
01682 return cost;
01683 }
01684
01691 static CommandCost RemoveRailWaypoint(TileIndex tile, DoCommandFlag flags)
01692 {
01693
01694 if (_current_company == OWNER_WATER) {
01695 return DoCommand(tile, 0, 0, DC_EXEC, CMD_REMOVE_FROM_RAIL_WAYPOINT);
01696 }
01697
01698 return RemoveRailStation(Waypoint::GetByTile(tile), flags);
01699 }
01700
01701
01707 static RoadStop **FindRoadStopSpot(bool truck_station, Station *st)
01708 {
01709 RoadStop **primary_stop = (truck_station) ? &st->truck_stops : &st->bus_stops;
01710
01711 if (*primary_stop == NULL) {
01712
01713 return primary_stop;
01714 } else {
01715
01716 RoadStop *stop = *primary_stop;
01717 while (stop->next != NULL) stop = stop->next;
01718 return &stop->next;
01719 }
01720 }
01721
01722 static CommandCost RemoveRoadStop(TileIndex tile, DoCommandFlag flags);
01723
01733 static CommandCost FindJoiningRoadStop(StationID existing_stop, StationID station_to_join, bool adjacent, TileArea ta, Station **st)
01734 {
01735 return FindJoiningBaseStation<Station, STR_ERROR_MUST_REMOVE_ROAD_STOP_FIRST>(existing_stop, station_to_join, adjacent, ta, st);
01736 }
01737
01753 CommandCost CmdBuildRoadStop(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
01754 {
01755 bool type = HasBit(p2, 0);
01756 bool is_drive_through = HasBit(p2, 1);
01757 RoadTypes rts = Extract<RoadTypes, 2, 2>(p2);
01758 StationID station_to_join = GB(p2, 16, 16);
01759 bool reuse = (station_to_join != NEW_STATION);
01760 if (!reuse) station_to_join = INVALID_STATION;
01761 bool distant_join = (station_to_join != INVALID_STATION);
01762
01763 uint8 width = (uint8)GB(p1, 0, 8);
01764 uint8 lenght = (uint8)GB(p1, 8, 8);
01765
01766
01767 if (width > _settings_game.station.station_spread || lenght > _settings_game.station.station_spread) return_cmd_error(STR_ERROR_STATION_TOO_SPREAD_OUT);
01768
01769 if (width == 0 || lenght == 0) return CMD_ERROR;
01770
01771 if (!IsValidTile(tile) || TileAddWrap(tile, width - 1, lenght - 1) == INVALID_TILE) return CMD_ERROR;
01772
01773 TileArea roadstop_area(tile, width, lenght);
01774
01775 if (distant_join && (!_settings_game.station.distant_join_stations || !Station::IsValidID(station_to_join))) return CMD_ERROR;
01776
01777 if (!HasExactlyOneBit(rts) || !HasRoadTypesAvail(_current_company, rts)) return CMD_ERROR;
01778
01779
01780 if (!is_drive_through && HasBit(rts, ROADTYPE_TRAM)) return CMD_ERROR;
01781
01782 DiagDirection ddir = Extract<DiagDirection, 6, 2>(p2);
01783
01784
01785 if (!IsValidDiagDirection(ddir)) return CMD_ERROR;
01786
01787 if (is_drive_through && !IsValidAxis((Axis)ddir)) return CMD_ERROR;
01788
01789 CommandCost ret = CheckIfAuthorityAllowsNewStation(tile, flags);
01790 if (ret.Failed()) return ret;
01791
01792
01793 CommandCost cost(EXPENSES_CONSTRUCTION, roadstop_area.w * roadstop_area.h * _price[type ? PR_BUILD_STATION_TRUCK : PR_BUILD_STATION_BUS]);
01794 StationID est = INVALID_STATION;
01795 ret = CheckFlatLandRoadStop(roadstop_area, flags, is_drive_through ? 5 << ddir : 1 << ddir, is_drive_through, type, DiagDirToAxis(ddir), &est, rts);
01796 if (ret.Failed()) return ret;
01797 cost.AddCost(ret);
01798
01799 Station *st = NULL;
01800 ret = FindJoiningRoadStop(est, station_to_join, HasBit(p2, 5), roadstop_area, &st);
01801 if (ret.Failed()) return ret;
01802
01803
01804 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);
01805
01806 ret = BuildStationPart(&st, flags, reuse, roadstop_area, STATIONNAMING_ROAD);
01807 if (ret.Failed()) return ret;
01808
01809 if (flags & DC_EXEC) {
01810
01811 TILE_AREA_LOOP(cur_tile, roadstop_area) {
01812 RoadTypes cur_rts = GetRoadTypes(cur_tile);
01813 Owner road_owner = HasBit(cur_rts, ROADTYPE_ROAD) ? GetRoadOwner(cur_tile, ROADTYPE_ROAD) : _current_company;
01814 Owner tram_owner = HasBit(cur_rts, ROADTYPE_TRAM) ? GetRoadOwner(cur_tile, ROADTYPE_TRAM) : _current_company;
01815
01816 if (IsTileType(cur_tile, MP_STATION) && IsRoadStop(cur_tile)) {
01817 RemoveRoadStop(cur_tile, flags);
01818 }
01819
01820 RoadStop *road_stop = new RoadStop(cur_tile);
01821
01822 RoadStop **currstop = FindRoadStopSpot(type, st);
01823 *currstop = road_stop;
01824
01825 if (type) {
01826 st->truck_station.Add(cur_tile);
01827 } else {
01828 st->bus_station.Add(cur_tile);
01829 }
01830
01831
01832 st->AddFacility((type) ? FACIL_TRUCK_STOP : FACIL_BUS_STOP, cur_tile);
01833
01834 st->rect.BeforeAddTile(cur_tile, StationRect::ADD_TRY);
01835
01836 RoadStopType rs_type = type ? ROADSTOP_TRUCK : ROADSTOP_BUS;
01837 if (is_drive_through) {
01838
01839
01840 RoadType rt;
01841 FOR_EACH_SET_ROADTYPE(rt, cur_rts | rts) {
01842 Company *c = Company::GetIfValid(rt == ROADTYPE_ROAD ? road_owner : tram_owner);
01843 if (c != NULL) {
01844 c->infrastructure.road[rt] += 2 - (IsNormalRoadTile(cur_tile) && HasBit(cur_rts, rt) ? CountBits(GetRoadBits(cur_tile, rt)) : 0);
01845 DirtyCompanyInfrastructureWindows(c->index);
01846 }
01847 }
01848
01849 MakeDriveThroughRoadStop(cur_tile, st->owner, road_owner, tram_owner, st->index, rs_type, rts | cur_rts, DiagDirToAxis(ddir));
01850 road_stop->MakeDriveThrough();
01851 } else {
01852
01853 Company::Get(st->owner)->infrastructure.road[FIND_FIRST_BIT(rts)] += 2;
01854 MakeRoadStop(cur_tile, st->owner, st->index, rs_type, rts, ddir);
01855 }
01856 Company::Get(st->owner)->infrastructure.station++;
01857 DirtyCompanyInfrastructureWindows(st->owner);
01858
01859 MarkTileDirtyByTile(cur_tile);
01860 }
01861 }
01862
01863 if (st != NULL) {
01864 st->UpdateVirtCoord();
01865 UpdateStationAcceptance(st, false);
01866 st->RecomputeIndustriesNear();
01867 InvalidateWindowData(WC_SELECT_STATION, 0, 0);
01868 InvalidateWindowData(WC_STATION_LIST, st->owner, 0);
01869 SetWindowWidgetDirty(WC_STATION_VIEW, st->index, WID_SV_ROADVEHS);
01870 }
01871 return cost;
01872 }
01873
01874
01875 static Vehicle *ClearRoadStopStatusEnum(Vehicle *v, void *)
01876 {
01877 if (v->type == VEH_ROAD) {
01878
01879
01880
01881
01882
01883
01884 RoadVehicle *rv = RoadVehicle::From(v);
01885 if (HasBit(rv->state, RVS_IN_DT_ROAD_STOP)) rv->state &= RVSB_ROAD_STOP_TRACKDIR_MASK;
01886 }
01887
01888 return NULL;
01889 }
01890
01891
01898 static CommandCost RemoveRoadStop(TileIndex tile, DoCommandFlag flags)
01899 {
01900 Station *st = Station::GetByTile(tile);
01901
01902 if (_current_company != OWNER_WATER) {
01903 CommandCost ret = CheckOwnership(st->owner);
01904 if (ret.Failed()) return ret;
01905 }
01906
01907 bool is_truck = IsTruckStop(tile);
01908
01909 RoadStop **primary_stop;
01910 RoadStop *cur_stop;
01911 if (is_truck) {
01912 primary_stop = &st->truck_stops;
01913 cur_stop = RoadStop::GetByTile(tile, ROADSTOP_TRUCK);
01914 } else {
01915 primary_stop = &st->bus_stops;
01916 cur_stop = RoadStop::GetByTile(tile, ROADSTOP_BUS);
01917 }
01918
01919 assert(cur_stop != NULL);
01920
01921
01922 if (IsDriveThroughStopTile(tile) && (flags & DC_BANKRUPT)) {
01923
01924 if (flags & DC_EXEC) FindVehicleOnPos(tile, NULL, &ClearRoadStopStatusEnum);
01925 } else {
01926 CommandCost ret = EnsureNoVehicleOnGround(tile);
01927 if (ret.Failed()) return ret;
01928 }
01929
01930 if (flags & DC_EXEC) {
01931 if (*primary_stop == cur_stop) {
01932
01933 *primary_stop = cur_stop->next;
01934
01935 if (*primary_stop == NULL) {
01936 st->facilities &= (is_truck ? ~FACIL_TRUCK_STOP : ~FACIL_BUS_STOP);
01937 }
01938 } else {
01939
01940 RoadStop *pred = *primary_stop;
01941 while (pred->next != cur_stop) pred = pred->next;
01942 pred->next = cur_stop->next;
01943 }
01944
01945
01946 RoadType rt;
01947 FOR_EACH_SET_ROADTYPE(rt, GetRoadTypes(tile)) {
01948 Company *c = Company::GetIfValid(GetRoadOwner(tile, rt));
01949 if (c != NULL) {
01950 c->infrastructure.road[rt] -= 2;
01951 DirtyCompanyInfrastructureWindows(c->index);
01952 }
01953 }
01954 Company::Get(st->owner)->infrastructure.station--;
01955
01956 if (IsDriveThroughStopTile(tile)) {
01957
01958 cur_stop->ClearDriveThrough();
01959 } else {
01960 DoClearSquare(tile);
01961 }
01962
01963 SetWindowWidgetDirty(WC_STATION_VIEW, st->index, WID_SV_ROADVEHS);
01964 delete cur_stop;
01965
01966
01967 RoadVehicle *v;
01968 FOR_ALL_ROADVEHICLES(v) {
01969 if (v->First() == v && v->current_order.IsType(OT_GOTO_STATION) &&
01970 v->dest_tile == tile) {
01971 v->dest_tile = v->GetOrderStationLocation(st->index);
01972 }
01973 }
01974
01975 st->rect.AfterRemoveTile(st, tile);
01976
01977 st->UpdateVirtCoord();
01978 st->RecomputeIndustriesNear();
01979 DeleteStationIfEmpty(st);
01980
01981
01982 if (is_truck) {
01983 st->truck_station.Clear();
01984 for (const RoadStop *rs = st->truck_stops; rs != NULL; rs = rs->next) st->truck_station.Add(rs->xy);
01985 } else {
01986 st->bus_station.Clear();
01987 for (const RoadStop *rs = st->bus_stops; rs != NULL; rs = rs->next) st->bus_station.Add(rs->xy);
01988 }
01989 }
01990
01991 return CommandCost(EXPENSES_CONSTRUCTION, _price[is_truck ? PR_CLEAR_STATION_TRUCK : PR_CLEAR_STATION_BUS]);
01992 }
01993
02004 CommandCost CmdRemoveRoadStop(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
02005 {
02006 uint8 width = (uint8)GB(p1, 0, 8);
02007 uint8 height = (uint8)GB(p1, 8, 8);
02008
02009
02010 if (width == 0 || height == 0) return CMD_ERROR;
02011
02012 if (!IsValidTile(tile) || TileAddWrap(tile, width - 1, height - 1) == INVALID_TILE) return CMD_ERROR;
02013
02014 TileArea roadstop_area(tile, width, height);
02015
02016 int quantity = 0;
02017 CommandCost cost(EXPENSES_CONSTRUCTION);
02018 TILE_AREA_LOOP(cur_tile, roadstop_area) {
02019
02020 if (!IsTileType(cur_tile, MP_STATION) || !IsRoadStop(cur_tile) || (uint32)GetRoadStopType(cur_tile) != GB(p2, 0, 1)) continue;
02021
02022
02023 bool is_drive_through = IsDriveThroughStopTile(cur_tile);
02024 RoadTypes rts = GetRoadTypes(cur_tile);
02025 RoadBits road_bits = IsDriveThroughStopTile(cur_tile) ?
02026 ((GetRoadStopDir(cur_tile) == DIAGDIR_NE) ? ROAD_X : ROAD_Y) :
02027 DiagDirToRoadBits(GetRoadStopDir(cur_tile));
02028
02029 Owner road_owner = GetRoadOwner(cur_tile, ROADTYPE_ROAD);
02030 Owner tram_owner = GetRoadOwner(cur_tile, ROADTYPE_TRAM);
02031 CommandCost ret = RemoveRoadStop(cur_tile, flags);
02032 if (ret.Failed()) return ret;
02033 cost.AddCost(ret);
02034
02035 quantity++;
02036
02037 if ((flags & DC_EXEC) && is_drive_through) {
02038 MakeRoadNormal(cur_tile, road_bits, rts, ClosestTownFromTile(cur_tile, UINT_MAX)->index,
02039 road_owner, tram_owner);
02040
02041
02042 RoadType rt;
02043 FOR_EACH_SET_ROADTYPE(rt, rts) {
02044 Company *c = Company::GetIfValid(GetRoadOwner(cur_tile, rt));
02045 if (c != NULL) {
02046 c->infrastructure.road[rt] += CountBits(road_bits);
02047 DirtyCompanyInfrastructureWindows(c->index);
02048 }
02049 }
02050 }
02051 }
02052
02053 if (quantity == 0) return_cmd_error(STR_ERROR_THERE_IS_NO_STATION);
02054
02055 return cost;
02056 }
02057
02064 static uint GetMinimalAirportDistanceToTile(TileIterator &it, TileIndex town_tile)
02065 {
02066 uint mindist = UINT_MAX;
02067
02068 for (TileIndex cur_tile = it; cur_tile != INVALID_TILE; cur_tile = ++it) {
02069 mindist = min(mindist, DistanceManhattan(town_tile, cur_tile));
02070 }
02071
02072 return mindist;
02073 }
02074
02084 uint8 GetAirportNoiseLevelForTown(const AirportSpec *as, TileIterator &it, TileIndex town_tile)
02085 {
02086
02087
02088 if (as->noise_level < 2) return as->noise_level;
02089
02090 uint distance = GetMinimalAirportDistanceToTile(it, town_tile);
02091
02092
02093
02094
02095
02096 uint8 town_tolerance_distance = 8 + (_settings_game.difficulty.town_council_tolerance * 4);
02097
02098
02099
02100 uint noise_reduction = distance / town_tolerance_distance;
02101
02102
02103
02104 return noise_reduction >= as->noise_level ? 1 : as->noise_level - noise_reduction;
02105 }
02106
02114 Town *AirportGetNearestTown(const AirportSpec *as, const TileIterator &it)
02115 {
02116 Town *t, *nearest = NULL;
02117 uint add = as->size_x + as->size_y - 2;
02118 uint mindist = UINT_MAX - add;
02119 FOR_ALL_TOWNS(t) {
02120 if (DistanceManhattan(t->xy, it) < mindist + add) {
02121 TileIterator *copy = it.Clone();
02122 uint dist = GetMinimalAirportDistanceToTile(*copy, t->xy);
02123 delete copy;
02124 if (dist < mindist) {
02125 nearest = t;
02126 mindist = dist;
02127 }
02128 }
02129 }
02130
02131 return nearest;
02132 }
02133
02134
02136 void UpdateAirportsNoise()
02137 {
02138 Town *t;
02139 const Station *st;
02140
02141 FOR_ALL_TOWNS(t) t->noise_reached = 0;
02142
02143 FOR_ALL_STATIONS(st) {
02144 if (st->airport.tile != INVALID_TILE && st->airport.type != AT_OILRIG) {
02145 const AirportSpec *as = st->airport.GetSpec();
02146 AirportTileIterator it(st);
02147 Town *nearest = AirportGetNearestTown(as, it);
02148 nearest->noise_reached += GetAirportNoiseLevelForTown(as, it, nearest->xy);
02149 }
02150 }
02151 }
02152
02166 CommandCost CmdBuildAirport(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
02167 {
02168 StationID station_to_join = GB(p2, 16, 16);
02169 bool reuse = (station_to_join != NEW_STATION);
02170 if (!reuse) station_to_join = INVALID_STATION;
02171 bool distant_join = (station_to_join != INVALID_STATION);
02172 byte airport_type = GB(p1, 0, 8);
02173 byte layout = GB(p1, 8, 8);
02174
02175 if (distant_join && (!_settings_game.station.distant_join_stations || !Station::IsValidID(station_to_join))) return CMD_ERROR;
02176
02177 if (airport_type >= NUM_AIRPORTS) return CMD_ERROR;
02178
02179 CommandCost ret = CheckIfAuthorityAllowsNewStation(tile, flags);
02180 if (ret.Failed()) return ret;
02181
02182
02183 const AirportSpec *as = AirportSpec::Get(airport_type);
02184 if (!as->IsAvailable() || layout >= as->num_table) return CMD_ERROR;
02185
02186 Direction rotation = as->rotation[layout];
02187 int w = as->size_x;
02188 int h = as->size_y;
02189 if (rotation == DIR_E || rotation == DIR_W) Swap(w, h);
02190 TileArea airport_area = TileArea(tile, w, h);
02191
02192 if (w > _settings_game.station.station_spread || h > _settings_game.station.station_spread) {
02193 return_cmd_error(STR_ERROR_STATION_TOO_SPREAD_OUT);
02194 }
02195
02196 CommandCost cost = CheckFlatLand(airport_area, flags);
02197 if (cost.Failed()) return cost;
02198
02199
02200 AirportTileTableIterator iter(as->table[layout], tile);
02201 Town *nearest = AirportGetNearestTown(as, iter);
02202 uint newnoise_level = GetAirportNoiseLevelForTown(as, iter, nearest->xy);
02203
02204
02205 StringID authority_refuse_message = STR_NULL;
02206 Town *authority_refuse_town = NULL;
02207
02208 if (_settings_game.economy.station_noise_level) {
02209
02210 if ((nearest->noise_reached + newnoise_level) > nearest->MaxTownNoise()) {
02211 authority_refuse_message = STR_ERROR_LOCAL_AUTHORITY_REFUSES_NOISE;
02212 authority_refuse_town = nearest;
02213 }
02214 } else {
02215 Town *t = ClosestTownFromTile(tile, UINT_MAX);
02216 uint num = 0;
02217 const Station *st;
02218 FOR_ALL_STATIONS(st) {
02219 if (st->town == t && (st->facilities & FACIL_AIRPORT) && st->airport.type != AT_OILRIG) num++;
02220 }
02221 if (num >= 2) {
02222 authority_refuse_message = STR_ERROR_LOCAL_AUTHORITY_REFUSES_AIRPORT;
02223 authority_refuse_town = t;
02224 }
02225 }
02226
02227 if (authority_refuse_message != STR_NULL) {
02228 SetDParam(0, authority_refuse_town->index);
02229 return_cmd_error(authority_refuse_message);
02230 }
02231
02232 Station *st = NULL;
02233 ret = FindJoiningStation(INVALID_STATION, station_to_join, HasBit(p2, 0), airport_area, &st);
02234 if (ret.Failed()) return ret;
02235
02236
02237 if (st == NULL && distant_join) st = Station::GetIfValid(station_to_join);
02238
02239 ret = BuildStationPart(&st, flags, reuse, airport_area, (GetAirport(airport_type)->flags & AirportFTAClass::AIRPLANES) ? STATIONNAMING_AIRPORT : STATIONNAMING_HELIPORT);
02240 if (ret.Failed()) return ret;
02241
02242 if (st != NULL && st->airport.tile != INVALID_TILE) {
02243 return_cmd_error(STR_ERROR_TOO_CLOSE_TO_ANOTHER_AIRPORT);
02244 }
02245
02246 for (AirportTileTableIterator iter(as->table[layout], tile); iter != INVALID_TILE; ++iter) {
02247 cost.AddCost(_price[PR_BUILD_STATION_AIRPORT]);
02248 }
02249
02250 if (flags & DC_EXEC) {
02251
02252 nearest->noise_reached += newnoise_level;
02253
02254 st->AddFacility(FACIL_AIRPORT, tile);
02255 st->airport.type = airport_type;
02256 st->airport.layout = layout;
02257 st->airport.flags = 0;
02258 st->airport.rotation = rotation;
02259
02260 st->rect.BeforeAddRect(tile, w, h, StationRect::ADD_TRY);
02261
02262 for (AirportTileTableIterator iter(as->table[layout], tile); iter != INVALID_TILE; ++iter) {
02263 MakeAirport(iter, st->owner, st->index, iter.GetStationGfx(), WATER_CLASS_INVALID);
02264 SetStationTileRandomBits(iter, GB(Random(), 0, 4));
02265 st->airport.Add(iter);
02266
02267 if (AirportTileSpec::Get(GetTranslatedAirportTileID(iter.GetStationGfx()))->animation.status != ANIM_STATUS_NO_ANIMATION) AddAnimatedTile(iter);
02268 }
02269
02270
02271 for (AirportTileTableIterator iter(as->table[layout], tile); iter != INVALID_TILE; ++iter) {
02272 AirportTileAnimationTrigger(st, iter, AAT_BUILT);
02273 }
02274
02275 UpdateAirplanesOnNewStation(st);
02276
02277 Company::Get(st->owner)->infrastructure.airport++;
02278 DirtyCompanyInfrastructureWindows(st->owner);
02279
02280 st->UpdateVirtCoord();
02281 UpdateStationAcceptance(st, false);
02282 st->RecomputeIndustriesNear();
02283 InvalidateWindowData(WC_SELECT_STATION, 0, 0);
02284 InvalidateWindowData(WC_STATION_LIST, st->owner, 0);
02285 InvalidateWindowData(WC_STATION_VIEW, st->index, -1);
02286
02287 if (_settings_game.economy.station_noise_level) {
02288 SetWindowDirty(WC_TOWN_VIEW, st->town->index);
02289 }
02290 }
02291
02292 return cost;
02293 }
02294
02301 static CommandCost RemoveAirport(TileIndex tile, DoCommandFlag flags)
02302 {
02303 Station *st = Station::GetByTile(tile);
02304
02305 if (_current_company != OWNER_WATER) {
02306 CommandCost ret = CheckOwnership(st->owner);
02307 if (ret.Failed()) return ret;
02308 }
02309
02310 tile = st->airport.tile;
02311
02312 CommandCost cost(EXPENSES_CONSTRUCTION);
02313
02314 const Aircraft *a;
02315 FOR_ALL_AIRCRAFT(a) {
02316 if (!a->IsNormalAircraft()) continue;
02317 if (a->targetairport == st->index && a->state != FLYING) return CMD_ERROR;
02318 }
02319
02320 if (flags & DC_EXEC) {
02321 const AirportSpec *as = st->airport.GetSpec();
02322
02323
02324
02325 AirportTileIterator it(st);
02326 Town *nearest = AirportGetNearestTown(as, it);
02327 nearest->noise_reached -= GetAirportNoiseLevelForTown(as, it, nearest->xy);
02328 }
02329
02330 TILE_AREA_LOOP(tile_cur, st->airport) {
02331 if (!st->TileBelongsToAirport(tile_cur)) continue;
02332
02333 CommandCost ret = EnsureNoVehicleOnGround(tile_cur);
02334 if (ret.Failed()) return ret;
02335
02336 cost.AddCost(_price[PR_CLEAR_STATION_AIRPORT]);
02337
02338 if (flags & DC_EXEC) {
02339 if (IsHangarTile(tile_cur)) OrderBackup::Reset(tile_cur, false);
02340 DeleteAnimatedTile(tile_cur);
02341 DoClearSquare(tile_cur);
02342 DeleteNewGRFInspectWindow(GSF_AIRPORTTILES, tile_cur);
02343 }
02344 }
02345
02346 if (flags & DC_EXEC) {
02347
02348 delete st->airport.psa;
02349
02350 for (uint i = 0; i < st->airport.GetNumHangars(); ++i) {
02351 DeleteWindowById(
02352 WC_VEHICLE_DEPOT, st->airport.GetHangarTile(i)
02353 );
02354 }
02355
02356 st->rect.AfterRemoveRect(st, st->airport);
02357
02358 st->airport.Clear();
02359 st->facilities &= ~FACIL_AIRPORT;
02360
02361 InvalidateWindowData(WC_STATION_VIEW, st->index, -1);
02362
02363 if (_settings_game.economy.station_noise_level) {
02364 SetWindowDirty(WC_TOWN_VIEW, st->town->index);
02365 }
02366
02367 Company::Get(st->owner)->infrastructure.airport--;
02368 DirtyCompanyInfrastructureWindows(st->owner);
02369
02370 st->UpdateVirtCoord();
02371 st->RecomputeIndustriesNear();
02372 DeleteStationIfEmpty(st);
02373 DeleteNewGRFInspectWindow(GSF_AIRPORTS, st->index);
02374 }
02375
02376 return cost;
02377 }
02378
02388 CommandCost CmdOpenCloseAirport(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
02389 {
02390 if (!Station::IsValidID(p1)) return CMD_ERROR;
02391 Station *st = Station::Get(p1);
02392
02393 if (!(st->facilities & FACIL_AIRPORT) || st->owner == OWNER_NONE) return CMD_ERROR;
02394
02395 CommandCost ret = CheckOwnership(st->owner);
02396 if (ret.Failed()) return ret;
02397
02398 if (flags & DC_EXEC) {
02399 st->airport.flags ^= AIRPORT_CLOSED_block;
02400 SetWindowWidgetDirty(WC_STATION_VIEW, st->index, WID_SV_CLOSE_AIRPORT);
02401 }
02402 return CommandCost();
02403 }
02404
02411 bool HasStationInUse(StationID station, bool include_company, CompanyID company)
02412 {
02413 const Vehicle *v;
02414 FOR_ALL_VEHICLES(v) {
02415 if ((v->owner == company) == include_company) {
02416 const Order *order;
02417 FOR_VEHICLE_ORDERS(v, order) {
02418 if ((order->IsType(OT_GOTO_STATION) || order->IsType(OT_GOTO_WAYPOINT)) && order->GetDestination() == station) {
02419 return true;
02420 }
02421 }
02422 }
02423 }
02424 return false;
02425 }
02426
02427 static const TileIndexDiffC _dock_tileoffs_chkaround[] = {
02428 {-1, 0},
02429 { 0, 0},
02430 { 0, 0},
02431 { 0, -1}
02432 };
02433 static const byte _dock_w_chk[4] = { 2, 1, 2, 1 };
02434 static const byte _dock_h_chk[4] = { 1, 2, 1, 2 };
02435
02445 CommandCost CmdBuildDock(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
02446 {
02447 StationID station_to_join = GB(p2, 16, 16);
02448 bool reuse = (station_to_join != NEW_STATION);
02449 if (!reuse) station_to_join = INVALID_STATION;
02450 bool distant_join = (station_to_join != INVALID_STATION);
02451
02452 if (distant_join && (!_settings_game.station.distant_join_stations || !Station::IsValidID(station_to_join))) return CMD_ERROR;
02453
02454 DiagDirection direction = GetInclinedSlopeDirection(GetTileSlope(tile));
02455 if (direction == INVALID_DIAGDIR) return_cmd_error(STR_ERROR_SITE_UNSUITABLE);
02456 direction = ReverseDiagDir(direction);
02457
02458
02459 if (HasTileWaterGround(tile)) return_cmd_error(STR_ERROR_SITE_UNSUITABLE);
02460
02461 CommandCost ret = CheckIfAuthorityAllowsNewStation(tile, flags);
02462 if (ret.Failed()) return ret;
02463
02464 if (MayHaveBridgeAbove(tile) && IsBridgeAbove(tile)) return_cmd_error(STR_ERROR_MUST_DEMOLISH_BRIDGE_FIRST);
02465
02466 ret = DoCommand(tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR);
02467 if (ret.Failed()) return ret;
02468
02469 TileIndex tile_cur = tile + TileOffsByDiagDir(direction);
02470
02471 if (!IsTileType(tile_cur, MP_WATER) || GetTileSlope(tile_cur) != SLOPE_FLAT) {
02472 return_cmd_error(STR_ERROR_SITE_UNSUITABLE);
02473 }
02474
02475 if (MayHaveBridgeAbove(tile_cur) && IsBridgeAbove(tile_cur)) return_cmd_error(STR_ERROR_MUST_DEMOLISH_BRIDGE_FIRST);
02476
02477
02478 WaterClass wc = GetWaterClass(tile_cur);
02479
02480 ret = DoCommand(tile_cur, 0, 0, flags, CMD_LANDSCAPE_CLEAR);
02481 if (ret.Failed()) return ret;
02482
02483 tile_cur += TileOffsByDiagDir(direction);
02484 if (!IsTileType(tile_cur, MP_WATER) || GetTileSlope(tile_cur) != SLOPE_FLAT) {
02485 return_cmd_error(STR_ERROR_SITE_UNSUITABLE);
02486 }
02487
02488 TileArea dock_area = TileArea(tile + ToTileIndexDiff(_dock_tileoffs_chkaround[direction]),
02489 _dock_w_chk[direction], _dock_h_chk[direction]);
02490
02491
02492 Station *st = NULL;
02493 ret = FindJoiningStation(INVALID_STATION, station_to_join, HasBit(p1, 0), dock_area, &st);
02494 if (ret.Failed()) return ret;
02495
02496
02497 if (st == NULL && distant_join) st = Station::GetIfValid(station_to_join);
02498
02499 ret = BuildStationPart(&st, flags, reuse, dock_area, STATIONNAMING_DOCK);
02500 if (ret.Failed()) return ret;
02501
02502 if (st != NULL && st->dock_tile != INVALID_TILE) return_cmd_error(STR_ERROR_TOO_CLOSE_TO_ANOTHER_DOCK);
02503
02504 if (flags & DC_EXEC) {
02505 st->dock_tile = tile;
02506 st->AddFacility(FACIL_DOCK, tile);
02507
02508 st->rect.BeforeAddRect(dock_area.tile, dock_area.w, dock_area.h, StationRect::ADD_TRY);
02509
02510
02511
02512 if (wc == WATER_CLASS_CANAL) {
02513 Company::Get(st->owner)->infrastructure.water++;
02514 }
02515 Company::Get(st->owner)->infrastructure.station += 2;
02516 DirtyCompanyInfrastructureWindows(st->owner);
02517
02518 MakeDock(tile, st->owner, st->index, direction, wc);
02519
02520 st->UpdateVirtCoord();
02521 UpdateStationAcceptance(st, false);
02522 st->RecomputeIndustriesNear();
02523 InvalidateWindowData(WC_SELECT_STATION, 0, 0);
02524 InvalidateWindowData(WC_STATION_LIST, st->owner, 0);
02525 SetWindowWidgetDirty(WC_STATION_VIEW, st->index, WID_SV_SHIPS);
02526 }
02527
02528 return CommandCost(EXPENSES_CONSTRUCTION, _price[PR_BUILD_STATION_DOCK]);
02529 }
02530
02537 static CommandCost RemoveDock(TileIndex tile, DoCommandFlag flags)
02538 {
02539 Station *st = Station::GetByTile(tile);
02540 CommandCost ret = CheckOwnership(st->owner);
02541 if (ret.Failed()) return ret;
02542
02543 TileIndex docking_location = TILE_ADD(st->dock_tile, ToTileIndexDiff(GetDockOffset(st->dock_tile)));
02544
02545 TileIndex tile1 = st->dock_tile;
02546 TileIndex tile2 = tile1 + TileOffsByDiagDir(GetDockDirection(tile1));
02547
02548 ret = EnsureNoVehicleOnGround(tile1);
02549 if (ret.Succeeded()) ret = EnsureNoVehicleOnGround(tile2);
02550 if (ret.Failed()) return ret;
02551
02552 if (flags & DC_EXEC) {
02553 DoClearSquare(tile1);
02554 MarkTileDirtyByTile(tile1);
02555 MakeWaterKeepingClass(tile2, st->owner);
02556
02557 st->rect.AfterRemoveTile(st, tile1);
02558 st->rect.AfterRemoveTile(st, tile2);
02559
02560 st->dock_tile = INVALID_TILE;
02561 st->facilities &= ~FACIL_DOCK;
02562
02563 Company::Get(st->owner)->infrastructure.station -= 2;
02564 DirtyCompanyInfrastructureWindows(st->owner);
02565
02566 SetWindowWidgetDirty(WC_STATION_VIEW, st->index, WID_SV_SHIPS);
02567 st->UpdateVirtCoord();
02568 st->RecomputeIndustriesNear();
02569 DeleteStationIfEmpty(st);
02570
02571
02572
02573
02574
02575 Ship *s;
02576 FOR_ALL_SHIPS(s) {
02577 if (s->current_order.IsType(OT_LOADING) && s->tile == docking_location) {
02578 s->LeaveStation();
02579 }
02580
02581 if (s->dest_tile == docking_location) {
02582 s->dest_tile = 0;
02583 s->current_order.Free();
02584 }
02585 }
02586 }
02587
02588 return CommandCost(EXPENSES_CONSTRUCTION, _price[PR_CLEAR_STATION_DOCK]);
02589 }
02590
02591 #include "table/station_land.h"
02592
02593 const DrawTileSprites *GetStationTileLayout(StationType st, byte gfx)
02594 {
02595 return &_station_display_datas[st][gfx];
02596 }
02597
02607 bool SplitGroundSpriteForOverlay(const TileInfo *ti, SpriteID *ground, RailTrackOffset *overlay_offset)
02608 {
02609 bool snow_desert;
02610 switch (*ground) {
02611 case SPR_RAIL_TRACK_X:
02612 snow_desert = false;
02613 *overlay_offset = RTO_X;
02614 break;
02615
02616 case SPR_RAIL_TRACK_Y:
02617 snow_desert = false;
02618 *overlay_offset = RTO_Y;
02619 break;
02620
02621 case SPR_RAIL_TRACK_X_SNOW:
02622 snow_desert = true;
02623 *overlay_offset = RTO_X;
02624 break;
02625
02626 case SPR_RAIL_TRACK_Y_SNOW:
02627 snow_desert = true;
02628 *overlay_offset = RTO_Y;
02629 break;
02630
02631 default:
02632 return false;
02633 }
02634
02635 if (ti != NULL) {
02636
02637 switch (_settings_game.game_creation.landscape) {
02638 case LT_ARCTIC:
02639 snow_desert = (uint)ti->z > GetSnowLine() * TILE_HEIGHT;
02640 break;
02641
02642 case LT_TROPIC:
02643 snow_desert = GetTropicZone(ti->tile) == TROPICZONE_DESERT;
02644 break;
02645
02646 default:
02647 break;
02648 }
02649 }
02650
02651 *ground = snow_desert ? SPR_FLAT_SNOW_DESERT_TILE : SPR_FLAT_GRASS_TILE;
02652 return true;
02653 }
02654
02655 static void DrawTile_Station(TileInfo *ti)
02656 {
02657 const NewGRFSpriteLayout *layout = NULL;
02658 DrawTileSprites tmp_rail_layout;
02659 const DrawTileSprites *t = NULL;
02660 RoadTypes roadtypes;
02661 int32 total_offset;
02662 const RailtypeInfo *rti = NULL;
02663 uint32 relocation = 0;
02664 uint32 ground_relocation = 0;
02665 BaseStation *st = NULL;
02666 const StationSpec *statspec = NULL;
02667 uint tile_layout = 0;
02668
02669 if (HasStationRail(ti->tile)) {
02670 rti = GetRailTypeInfo(GetRailType(ti->tile));
02671 roadtypes = ROADTYPES_NONE;
02672 total_offset = rti->GetRailtypeSpriteOffset();
02673
02674 if (IsCustomStationSpecIndex(ti->tile)) {
02675
02676 st = BaseStation::GetByTile(ti->tile);
02677 statspec = st->speclist[GetCustomStationSpecIndex(ti->tile)].spec;
02678
02679 if (statspec != NULL) {
02680 tile_layout = GetStationGfx(ti->tile);
02681
02682 if (HasBit(statspec->callback_mask, CBM_STATION_SPRITE_LAYOUT)) {
02683 uint16 callback = GetStationCallback(CBID_STATION_SPRITE_LAYOUT, 0, 0, statspec, st, ti->tile);
02684 if (callback != CALLBACK_FAILED) tile_layout = (callback & ~1) + GetRailStationAxis(ti->tile);
02685 }
02686
02687
02688 if (statspec->renderdata != NULL) {
02689 layout = &statspec->renderdata[tile_layout < statspec->tiles ? tile_layout : (uint)GetRailStationAxis(ti->tile)];
02690 if (!layout->NeedsPreprocessing()) {
02691 t = layout;
02692 layout = NULL;
02693 }
02694 }
02695 }
02696 }
02697 } else {
02698 roadtypes = IsRoadStop(ti->tile) ? GetRoadTypes(ti->tile) : ROADTYPES_NONE;
02699 total_offset = 0;
02700 }
02701
02702 StationGfx gfx = GetStationGfx(ti->tile);
02703 if (IsAirport(ti->tile)) {
02704 gfx = GetAirportGfx(ti->tile);
02705 if (gfx >= NEW_AIRPORTTILE_OFFSET) {
02706 const AirportTileSpec *ats = AirportTileSpec::Get(gfx);
02707 if (ats->grf_prop.spritegroup[0] != NULL && DrawNewAirportTile(ti, Station::GetByTile(ti->tile), gfx, ats)) {
02708 return;
02709 }
02710
02711
02712 assert(ats->grf_prop.subst_id != INVALID_AIRPORTTILE);
02713 gfx = ats->grf_prop.subst_id;
02714 }
02715 switch (gfx) {
02716 case APT_RADAR_GRASS_FENCE_SW:
02717 t = &_station_display_datas_airport_radar_grass_fence_sw[GetAnimationFrame(ti->tile)];
02718 break;
02719 case APT_GRASS_FENCE_NE_FLAG:
02720 t = &_station_display_datas_airport_flag_grass_fence_ne[GetAnimationFrame(ti->tile)];
02721 break;
02722 case APT_RADAR_FENCE_SW:
02723 t = &_station_display_datas_airport_radar_fence_sw[GetAnimationFrame(ti->tile)];
02724 break;
02725 case APT_RADAR_FENCE_NE:
02726 t = &_station_display_datas_airport_radar_fence_ne[GetAnimationFrame(ti->tile)];
02727 break;
02728 case APT_GRASS_FENCE_NE_FLAG_2:
02729 t = &_station_display_datas_airport_flag_grass_fence_ne_2[GetAnimationFrame(ti->tile)];
02730 break;
02731 }
02732 }
02733
02734 Owner owner = GetTileOwner(ti->tile);
02735
02736 PaletteID palette;
02737 if (Company::IsValidID(owner)) {
02738 palette = COMPANY_SPRITE_COLOUR(owner);
02739 } else {
02740
02741 palette = PALETTE_TO_GREY;
02742 }
02743
02744 if (layout == NULL && (t == NULL || t->seq == NULL)) t = GetStationTileLayout(GetStationType(ti->tile), gfx);
02745
02746
02747 if (ti->tileh != SLOPE_FLAT && !IsDock(ti->tile)) {
02748 if (statspec != NULL && HasBit(statspec->flags, SSF_CUSTOM_FOUNDATIONS)) {
02749
02750
02751 uint edge_info = 0;
02752 int z;
02753 Slope slope = GetFoundationPixelSlope(ti->tile, &z);
02754 if (!HasFoundationNW(ti->tile, slope, z)) SetBit(edge_info, 0);
02755 if (!HasFoundationNE(ti->tile, slope, z)) SetBit(edge_info, 1);
02756 SpriteID image = GetCustomStationFoundationRelocation(statspec, st, ti->tile, tile_layout, edge_info);
02757 if (image == 0) goto draw_default_foundation;
02758
02759 if (HasBit(statspec->flags, SSF_EXTENDED_FOUNDATIONS)) {
02760
02761
02762 static const uint8 foundation_parts[] = {
02763 0, 0, 0, 0,
02764 0, 1, 2, 3,
02765 0, 4, 5, 6,
02766 7, 8, 9
02767 };
02768
02769 AddSortableSpriteToDraw(image + foundation_parts[ti->tileh], PAL_NONE, ti->x, ti->y, 16, 16, 7, ti->z);
02770 } else {
02771
02772
02773
02774
02775 static const uint8 composite_foundation_parts[] = {
02776
02777 0x00, 0xD1, 0xE4, 0xE0,
02778
02779 0xCA, 0xC9, 0xC4, 0xC0,
02780
02781 0xD2, 0x91, 0xE4, 0xA0,
02782
02783 0x4A, 0x09, 0x44
02784 };
02785
02786 uint8 parts = composite_foundation_parts[ti->tileh];
02787
02788
02789
02790 if (HasBit(edge_info, 0)) ClrBit(parts, 6);
02791 if (HasBit(edge_info, 1)) ClrBit(parts, 7);
02792
02793 if (parts == 0) {
02794
02795
02796
02797 goto draw_default_foundation;
02798 }
02799
02800 StartSpriteCombine();
02801 for (int i = 0; i < 8; i++) {
02802 if (HasBit(parts, i)) {
02803 AddSortableSpriteToDraw(image + i, PAL_NONE, ti->x, ti->y, 16, 16, 7, ti->z);
02804 }
02805 }
02806 EndSpriteCombine();
02807 }
02808
02809 OffsetGroundSprite(31, 1);
02810 ti->z += ApplyPixelFoundationToSlope(FOUNDATION_LEVELED, &ti->tileh);
02811 } else {
02812 draw_default_foundation:
02813 DrawFoundation(ti, FOUNDATION_LEVELED);
02814 }
02815 }
02816
02817 if (IsBuoy(ti->tile)) {
02818 DrawWaterClassGround(ti);
02819 SpriteID sprite = GetCanalSprite(CF_BUOY, ti->tile);
02820 if (sprite != 0) total_offset = sprite - SPR_IMG_BUOY;
02821 } else if (IsDock(ti->tile) || (IsOilRig(ti->tile) && IsTileOnWater(ti->tile))) {
02822 if (ti->tileh == SLOPE_FLAT) {
02823 DrawWaterClassGround(ti);
02824 } else {
02825 assert(IsDock(ti->tile));
02826 TileIndex water_tile = ti->tile + TileOffsByDiagDir(GetDockDirection(ti->tile));
02827 WaterClass wc = GetWaterClass(water_tile);
02828 if (wc == WATER_CLASS_SEA) {
02829 DrawShoreTile(ti->tileh);
02830 } else {
02831 DrawClearLandTile(ti, 3);
02832 }
02833 }
02834 } else {
02835 if (layout != NULL) {
02836
02837 bool separate_ground = HasBit(statspec->flags, SSF_SEPARATE_GROUND);
02838 uint32 var10_values = layout->PrepareLayout(total_offset, rti->fallback_railtype, 0, 0, separate_ground);
02839 uint8 var10;
02840 FOR_EACH_SET_BIT(var10, var10_values) {
02841 uint32 var10_relocation = GetCustomStationRelocation(statspec, st, ti->tile, var10);
02842 layout->ProcessRegisters(var10, var10_relocation, separate_ground);
02843 }
02844 tmp_rail_layout.seq = layout->GetLayout(&tmp_rail_layout.ground);
02845 t = &tmp_rail_layout;
02846 total_offset = 0;
02847 } else if (statspec != NULL) {
02848
02849 ground_relocation = relocation = GetCustomStationRelocation(statspec, st, ti->tile, 0);
02850 if (HasBit(statspec->flags, SSF_SEPARATE_GROUND)) {
02851 ground_relocation = GetCustomStationRelocation(statspec, st, ti->tile, 1);
02852 }
02853 ground_relocation += rti->fallback_railtype;
02854 }
02855
02856 SpriteID image = t->ground.sprite;
02857 PaletteID pal = t->ground.pal;
02858 RailTrackOffset overlay_offset;
02859 if (rti != NULL && rti->UsesOverlay() && SplitGroundSpriteForOverlay(ti, &image, &overlay_offset)) {
02860 SpriteID ground = GetCustomRailSprite(rti, ti->tile, RTSG_GROUND);
02861 DrawGroundSprite(image, PAL_NONE);
02862 DrawGroundSprite(ground + overlay_offset, PAL_NONE);
02863
02864 if (_game_mode != GM_MENU && _settings_client.gui.show_track_reservation && HasStationReservation(ti->tile)) {
02865 SpriteID overlay = GetCustomRailSprite(rti, ti->tile, RTSG_OVERLAY);
02866 DrawGroundSprite(overlay + overlay_offset, PALETTE_CRASH);
02867 }
02868 } else {
02869 image += HasBit(image, SPRITE_MODIFIER_CUSTOM_SPRITE) ? ground_relocation : total_offset;
02870 if (HasBit(pal, SPRITE_MODIFIER_CUSTOM_SPRITE)) pal += ground_relocation;
02871 DrawGroundSprite(image, GroundSpritePaletteTransform(image, pal, palette));
02872
02873
02874 if (_game_mode != GM_MENU && _settings_client.gui.show_track_reservation && HasStationRail(ti->tile) && HasStationReservation(ti->tile)) {
02875 const RailtypeInfo *rti = GetRailTypeInfo(GetRailType(ti->tile));
02876 DrawGroundSprite(GetRailStationAxis(ti->tile) == AXIS_X ? rti->base_sprites.single_x : rti->base_sprites.single_y, PALETTE_CRASH);
02877 }
02878 }
02879 }
02880
02881 if (HasStationRail(ti->tile) && HasCatenaryDrawn(GetRailType(ti->tile))) DrawCatenary(ti);
02882
02883 if (HasBit(roadtypes, ROADTYPE_TRAM)) {
02884 Axis axis = GetRoadStopDir(ti->tile) == DIAGDIR_NE ? AXIS_X : AXIS_Y;
02885 DrawGroundSprite((HasBit(roadtypes, ROADTYPE_ROAD) ? SPR_TRAMWAY_OVERLAY : SPR_TRAMWAY_TRAM) + (axis ^ 1), PAL_NONE);
02886 DrawTramCatenary(ti, axis == AXIS_X ? ROAD_X : ROAD_Y);
02887 }
02888
02889 if (IsRailWaypoint(ti->tile)) {
02890
02891 total_offset = 0;
02892 }
02893
02894 DrawRailTileSeq(ti, t, TO_BUILDINGS, total_offset, relocation, palette);
02895 }
02896
02897 void StationPickerDrawSprite(int x, int y, StationType st, RailType railtype, RoadType roadtype, int image)
02898 {
02899 int32 total_offset = 0;
02900 PaletteID pal = COMPANY_SPRITE_COLOUR(_local_company);
02901 const DrawTileSprites *t = GetStationTileLayout(st, image);
02902 const RailtypeInfo *rti = NULL;
02903
02904 if (railtype != INVALID_RAILTYPE) {
02905 rti = GetRailTypeInfo(railtype);
02906 total_offset = rti->GetRailtypeSpriteOffset();
02907 }
02908
02909 SpriteID img = t->ground.sprite;
02910 RailTrackOffset overlay_offset;
02911 if (rti != NULL && rti->UsesOverlay() && SplitGroundSpriteForOverlay(NULL, &img, &overlay_offset)) {
02912 SpriteID ground = GetCustomRailSprite(rti, INVALID_TILE, RTSG_GROUND);
02913 DrawSprite(img, PAL_NONE, x, y);
02914 DrawSprite(ground + overlay_offset, PAL_NONE, x, y);
02915 } else {
02916 DrawSprite(img + total_offset, HasBit(img, PALETTE_MODIFIER_COLOUR) ? pal : PAL_NONE, x, y);
02917 }
02918
02919 if (roadtype == ROADTYPE_TRAM) {
02920 DrawSprite(SPR_TRAMWAY_TRAM + (t->ground.sprite == SPR_ROAD_PAVED_STRAIGHT_X ? 1 : 0), PAL_NONE, x, y);
02921 }
02922
02923
02924 DrawRailTileSeqInGUI(x, y, t, st == STATION_WAYPOINT ? 0 : total_offset, 0, pal);
02925 }
02926
02927 static int GetSlopePixelZ_Station(TileIndex tile, uint x, uint y)
02928 {
02929 return GetTileMaxPixelZ(tile);
02930 }
02931
02932 static Foundation GetFoundation_Station(TileIndex tile, Slope tileh)
02933 {
02934 return FlatteningFoundation(tileh);
02935 }
02936
02937 static void GetTileDesc_Station(TileIndex tile, TileDesc *td)
02938 {
02939 td->owner[0] = GetTileOwner(tile);
02940 if (IsDriveThroughStopTile(tile)) {
02941 Owner road_owner = INVALID_OWNER;
02942 Owner tram_owner = INVALID_OWNER;
02943 RoadTypes rts = GetRoadTypes(tile);
02944 if (HasBit(rts, ROADTYPE_ROAD)) road_owner = GetRoadOwner(tile, ROADTYPE_ROAD);
02945 if (HasBit(rts, ROADTYPE_TRAM)) tram_owner = GetRoadOwner(tile, ROADTYPE_TRAM);
02946
02947
02948 if ((tram_owner != INVALID_OWNER && tram_owner != td->owner[0]) ||
02949 (road_owner != INVALID_OWNER && road_owner != td->owner[0])) {
02950 uint i = 1;
02951 if (road_owner != INVALID_OWNER) {
02952 td->owner_type[i] = STR_LAND_AREA_INFORMATION_ROAD_OWNER;
02953 td->owner[i] = road_owner;
02954 i++;
02955 }
02956 if (tram_owner != INVALID_OWNER) {
02957 td->owner_type[i] = STR_LAND_AREA_INFORMATION_TRAM_OWNER;
02958 td->owner[i] = tram_owner;
02959 }
02960 }
02961 }
02962 td->build_date = BaseStation::GetByTile(tile)->build_date;
02963
02964 if (HasStationTileRail(tile)) {
02965 const StationSpec *spec = GetStationSpec(tile);
02966
02967 if (spec != NULL) {
02968 td->station_class = StationClass::Get(spec->cls_id)->name;
02969 td->station_name = spec->name;
02970
02971 if (spec->grf_prop.grffile != NULL) {
02972 const GRFConfig *gc = GetGRFConfig(spec->grf_prop.grffile->grfid);
02973 td->grf = gc->GetName();
02974 }
02975 }
02976
02977 const RailtypeInfo *rti = GetRailTypeInfo(GetRailType(tile));
02978 td->rail_speed = rti->max_speed;
02979 }
02980
02981 if (IsAirport(tile)) {
02982 const AirportSpec *as = Station::GetByTile(tile)->airport.GetSpec();
02983 td->airport_class = AirportClass::Get(as->cls_id)->name;
02984 td->airport_name = as->name;
02985
02986 const AirportTileSpec *ats = AirportTileSpec::GetByTile(tile);
02987 td->airport_tile_name = ats->name;
02988
02989 if (as->grf_prop.grffile != NULL) {
02990 const GRFConfig *gc = GetGRFConfig(as->grf_prop.grffile->grfid);
02991 td->grf = gc->GetName();
02992 } else if (ats->grf_prop.grffile != NULL) {
02993 const GRFConfig *gc = GetGRFConfig(ats->grf_prop.grffile->grfid);
02994 td->grf = gc->GetName();
02995 }
02996 }
02997
02998 StringID str;
02999 switch (GetStationType(tile)) {
03000 default: NOT_REACHED();
03001 case STATION_RAIL: str = STR_LAI_STATION_DESCRIPTION_RAILROAD_STATION; break;
03002 case STATION_AIRPORT:
03003 str = (IsHangar(tile) ? STR_LAI_STATION_DESCRIPTION_AIRCRAFT_HANGAR : STR_LAI_STATION_DESCRIPTION_AIRPORT);
03004 break;
03005 case STATION_TRUCK: str = STR_LAI_STATION_DESCRIPTION_TRUCK_LOADING_AREA; break;
03006 case STATION_BUS: str = STR_LAI_STATION_DESCRIPTION_BUS_STATION; break;
03007 case STATION_OILRIG: str = STR_INDUSTRY_NAME_OIL_RIG; break;
03008 case STATION_DOCK: str = STR_LAI_STATION_DESCRIPTION_SHIP_DOCK; break;
03009 case STATION_BUOY: str = STR_LAI_STATION_DESCRIPTION_BUOY; break;
03010 case STATION_WAYPOINT: str = STR_LAI_STATION_DESCRIPTION_WAYPOINT; break;
03011 }
03012 td->str = str;
03013 }
03014
03015
03016 static TrackStatus GetTileTrackStatus_Station(TileIndex tile, TransportType mode, uint sub_mode, DiagDirection side)
03017 {
03018 TrackBits trackbits = TRACK_BIT_NONE;
03019
03020 switch (mode) {
03021 case TRANSPORT_RAIL:
03022 if (HasStationRail(tile) && !IsStationTileBlocked(tile)) {
03023 trackbits = TrackToTrackBits(GetRailStationTrack(tile));
03024 }
03025 break;
03026
03027 case TRANSPORT_WATER:
03028
03029 if (IsBuoy(tile)) {
03030 trackbits = TRACK_BIT_ALL;
03031
03032 if (TileX(tile) == 0) trackbits &= ~(TRACK_BIT_X | TRACK_BIT_UPPER | TRACK_BIT_RIGHT);
03033
03034 if (TileY(tile) == 0) trackbits &= ~(TRACK_BIT_Y | TRACK_BIT_LEFT | TRACK_BIT_UPPER);
03035 }
03036 break;
03037
03038 case TRANSPORT_ROAD:
03039 if ((GetRoadTypes(tile) & sub_mode) != 0 && IsRoadStop(tile)) {
03040 DiagDirection dir = GetRoadStopDir(tile);
03041 Axis axis = DiagDirToAxis(dir);
03042
03043 if (side != INVALID_DIAGDIR) {
03044 if (axis != DiagDirToAxis(side) || (IsStandardRoadStopTile(tile) && dir != side)) break;
03045 }
03046
03047 trackbits = AxisToTrackBits(axis);
03048 }
03049 break;
03050
03051 default:
03052 break;
03053 }
03054
03055 return CombineTrackStatus(TrackBitsToTrackdirBits(trackbits), TRACKDIR_BIT_NONE);
03056 }
03057
03058
03059 static void TileLoop_Station(TileIndex tile)
03060 {
03061
03062
03063 switch (GetStationType(tile)) {
03064 case STATION_AIRPORT:
03065 AirportTileAnimationTrigger(Station::GetByTile(tile), tile, AAT_TILELOOP);
03066 break;
03067
03068 case STATION_DOCK:
03069 if (GetTileSlope(tile) != SLOPE_FLAT) break;
03070
03071 case STATION_OILRIG:
03072 case STATION_BUOY:
03073 TileLoop_Water(tile);
03074 break;
03075
03076 default: break;
03077 }
03078 }
03079
03080
03081 static void AnimateTile_Station(TileIndex tile)
03082 {
03083 if (HasStationRail(tile)) {
03084 AnimateStationTile(tile);
03085 return;
03086 }
03087
03088 if (IsAirport(tile)) {
03089 AnimateAirportTile(tile);
03090 }
03091 }
03092
03093
03094 static bool ClickTile_Station(TileIndex tile)
03095 {
03096 const BaseStation *bst = BaseStation::GetByTile(tile);
03097
03098 if (bst->facilities & FACIL_WAYPOINT) {
03099 ShowWaypointWindow(Waypoint::From(bst));
03100 } else if (IsHangar(tile)) {
03101 const Station *st = Station::From(bst);
03102 ShowDepotWindow(st->airport.GetHangarTile(st->airport.GetHangarNum(tile)), VEH_AIRCRAFT);
03103 } else {
03104 ShowStationViewWindow(bst->index);
03105 }
03106 return true;
03107 }
03108
03109 static VehicleEnterTileStatus VehicleEnter_Station(Vehicle *v, TileIndex tile, int x, int y)
03110 {
03111 if (v->type == VEH_TRAIN) {
03112 StationID station_id = GetStationIndex(tile);
03113 if (!v->current_order.ShouldStopAtStation(v, station_id)) return VETSB_CONTINUE;
03114 if (!IsRailStation(tile) || !v->IsFrontEngine()) return VETSB_CONTINUE;
03115
03116 int station_ahead;
03117 int station_length;
03118 int stop = GetTrainStopLocation(station_id, tile, Train::From(v), &station_ahead, &station_length);
03119
03120
03121
03122
03123
03124 if (!IsInsideBS(stop + station_ahead, station_length, TILE_SIZE)) return VETSB_CONTINUE;
03125
03126 DiagDirection dir = DirToDiagDir(v->direction);
03127
03128 x &= 0xF;
03129 y &= 0xF;
03130
03131 if (DiagDirToAxis(dir) != AXIS_X) Swap(x, y);
03132 if (y == TILE_SIZE / 2) {
03133 if (dir != DIAGDIR_SE && dir != DIAGDIR_SW) x = TILE_SIZE - 1 - x;
03134 stop &= TILE_SIZE - 1;
03135
03136 if (x == stop) return VETSB_ENTERED_STATION | (VehicleEnterTileStatus)(station_id << VETS_STATION_ID_OFFSET);
03137 if (x < stop) {
03138 uint16 spd;
03139
03140 v->vehstatus |= VS_TRAIN_SLOWING;
03141 spd = max(0, (stop - x) * 20 - 15);
03142 if (spd < v->cur_speed) v->cur_speed = spd;
03143 }
03144 }
03145 } else if (v->type == VEH_ROAD) {
03146 RoadVehicle *rv = RoadVehicle::From(v);
03147 if (rv->state < RVSB_IN_ROAD_STOP && !IsReversingRoadTrackdir((Trackdir)rv->state) && rv->frame == 0) {
03148 if (IsRoadStop(tile) && rv->IsFrontEngine()) {
03149
03150 return RoadStop::GetByTile(tile, GetRoadStopType(tile))->Enter(rv) ? VETSB_CONTINUE : VETSB_CANNOT_ENTER;
03151 }
03152 }
03153 }
03154
03155 return VETSB_CONTINUE;
03156 }
03157
03162 void TriggerWatchedCargoCallbacks(Station *st)
03163 {
03164
03165 uint cargoes = 0;
03166 for (CargoID cid = 0; cid < NUM_CARGO; cid++) {
03167 if (HasBit(st->goods[cid].acceptance_pickup, GoodsEntry::GES_ACCEPTED_BIGTICK)) SetBit(cargoes, cid);
03168 }
03169
03170
03171 if (cargoes == 0) return;
03172
03173
03174 Rect r = st->GetCatchmentRect();
03175 TileArea ta(TileXY(r.left, r.top), TileXY(r.right, r.bottom));
03176 TILE_AREA_LOOP(tile, ta) {
03177 if (IsTileType(tile, MP_HOUSE)) {
03178 WatchedCargoCallback(tile, cargoes);
03179 }
03180 }
03181 }
03182
03189 static bool StationHandleBigTick(BaseStation *st)
03190 {
03191 if (!st->IsInUse()) {
03192 if (++st->delete_ctr >= 8) delete st;
03193 return false;
03194 }
03195
03196 if (Station::IsExpected(st)) {
03197 TriggerWatchedCargoCallbacks(Station::From(st));
03198
03199 for (CargoID i = 0; i < NUM_CARGO; i++) {
03200 ClrBit(Station::From(st)->goods[i].acceptance_pickup, GoodsEntry::GES_ACCEPTED_BIGTICK);
03201 }
03202 }
03203
03204
03205 if ((st->facilities & FACIL_WAYPOINT) == 0) UpdateStationAcceptance(Station::From(st), true);
03206
03207 return true;
03208 }
03209
03210 static inline void byte_inc_sat(byte *p)
03211 {
03212 byte b = *p + 1;
03213 if (b != 0) *p = b;
03214 }
03215
03216 static void UpdateStationRating(Station *st)
03217 {
03218 bool waiting_changed = false;
03219
03220 byte_inc_sat(&st->time_since_load);
03221 byte_inc_sat(&st->time_since_unload);
03222
03223 const CargoSpec *cs;
03224 FOR_ALL_CARGOSPECS(cs) {
03225 GoodsEntry *ge = &st->goods[cs->Index()];
03226
03227
03228
03229 if (!ge->HasRating() && ge->rating < INITIAL_STATION_RATING) {
03230 ge->rating++;
03231 }
03232
03233
03234 if (ge->HasRating()) {
03235 byte_inc_sat(&ge->time_since_pickup);
03236
03237 bool skip = false;
03238 int rating = 0;
03239 uint waiting = ge->cargo.TotalCount();
03240
03241
03242
03243
03244 uint num_dests = (uint)ge->cargo.Packets()->MapSize();
03245
03246
03247
03248
03249
03250
03251
03252 uint waiting_avg = waiting / (num_dests + 1);
03253
03254 if (HasBit(cs->callback_mask, CBM_CARGO_STATION_RATING_CALC)) {
03255
03256
03257
03258
03259 uint last_speed = ge->HasVehicleEverTriedLoading() ? ge->last_speed : 0xFF;
03260
03261 uint32 var18 = min(ge->time_since_pickup, 0xFF) | (min(ge->max_waiting_cargo, 0xFFFF) << 8) | (min(last_speed, 0xFF) << 24);
03262
03263 uint32 var10 = (st->last_vehicle_type == VEH_INVALID) ? 0x0 : (st->last_vehicle_type + 0x10);
03264 uint16 callback = GetCargoCallback(CBID_CARGO_STATION_RATING_CALC, var10, var18, cs);
03265 if (callback != CALLBACK_FAILED) {
03266 skip = true;
03267 rating = GB(callback, 0, 14);
03268
03269
03270 if (HasBit(callback, 14)) rating -= 0x4000;
03271 }
03272 }
03273
03274 if (!skip) {
03275 int b = ge->last_speed - 85;
03276 if (b >= 0) rating += b >> 2;
03277
03278 byte waittime = ge->time_since_pickup;
03279 if (st->last_vehicle_type == VEH_SHIP) waittime >>= 2;
03280 (waittime > 21) ||
03281 (rating += 25, waittime > 12) ||
03282 (rating += 25, waittime > 6) ||
03283 (rating += 45, waittime > 3) ||
03284 (rating += 35, true);
03285
03286 (rating -= 90, ge->max_waiting_cargo > 1500) ||
03287 (rating += 55, ge->max_waiting_cargo > 1000) ||
03288 (rating += 35, ge->max_waiting_cargo > 600) ||
03289 (rating += 10, ge->max_waiting_cargo > 300) ||
03290 (rating += 20, ge->max_waiting_cargo > 100) ||
03291 (rating += 10, true);
03292 }
03293
03294 if (Company::IsValidID(st->owner) && HasBit(st->town->statues, st->owner)) rating += 26;
03295
03296 byte age = ge->last_age;
03297 (age >= 3) ||
03298 (rating += 10, age >= 2) ||
03299 (rating += 10, age >= 1) ||
03300 (rating += 13, true);
03301
03302 {
03303 int or_ = ge->rating;
03304
03305
03306 ge->rating = rating = or_ + Clamp(Clamp(rating, 0, 255) - or_, -2, 2);
03307
03308
03309
03310 if (rating <= 64 && waiting_avg >= 100) {
03311 int dec = Random() & 0x1F;
03312 if (waiting_avg < 200) dec &= 7;
03313 waiting -= (dec + 1) * num_dests;
03314 waiting_changed = true;
03315 }
03316
03317
03318 if (rating <= 127 && waiting != 0) {
03319 uint32 r = Random();
03320 if (rating <= (int)GB(r, 0, 7)) {
03321
03322 waiting = max((int)waiting - (int)((GB(r, 8, 2) - 1) * num_dests), 0);
03323 waiting_changed = true;
03324 }
03325 }
03326
03327
03328
03329
03330 static const uint WAITING_CARGO_THRESHOLD = 1 << 12;
03331 static const uint WAITING_CARGO_CUT_FACTOR = 1 << 6;
03332 static const uint MAX_WAITING_CARGO = 1 << 15;
03333
03334 if (waiting > WAITING_CARGO_THRESHOLD) {
03335 uint difference = waiting - WAITING_CARGO_THRESHOLD;
03336 waiting -= (difference / WAITING_CARGO_CUT_FACTOR);
03337
03338 waiting = min(waiting, MAX_WAITING_CARGO);
03339 waiting_changed = true;
03340 }
03341
03342
03343
03344 if (waiting_changed && waiting < ge->cargo.AvailableCount()) {
03345
03346
03347 ge->max_waiting_cargo = 0;
03348
03349
03350
03351
03352 StationCargoAmountMap waiting_per_source;
03353 ge->cargo.Truncate(ge->cargo.AvailableCount() - waiting, &waiting_per_source);
03354 for (StationCargoAmountMap::iterator i(waiting_per_source.begin()); i != waiting_per_source.end(); ++i) {
03355 Station *source_station = Station::GetIfValid(i->first);
03356 if (source_station == NULL) continue;
03357
03358 GoodsEntry &source_ge = source_station->goods[cs->Index()];
03359 source_ge.max_waiting_cargo = max(source_ge.max_waiting_cargo, i->second);
03360 }
03361 } else {
03362
03363 ge->max_waiting_cargo = waiting_avg;
03364 }
03365 }
03366 }
03367 }
03368
03369 StationID index = st->index;
03370 if (waiting_changed) {
03371 SetWindowDirty(WC_STATION_VIEW, index);
03372 } else {
03373 SetWindowWidgetDirty(WC_STATION_VIEW, index, WID_SV_ACCEPT_RATING_LIST);
03374 }
03375 }
03376
03385 void DeleteStaleLinks(Station *from)
03386 {
03387 for (CargoID c = 0; c < NUM_CARGO; ++c) {
03388 GoodsEntry &ge = from->goods[c];
03389 LinkGraph *lg = LinkGraph::GetIfValid(ge.link_graph);
03390 if (lg == NULL) continue;
03391 Node node = (*lg)[ge.node];
03392 for (EdgeIterator it(node.Begin()); it != node.End();) {
03393 Edge edge = it->second;
03394 Station *to = Station::Get((*lg)[it->first].Station());
03395 assert(to->goods[c].node == it->first);
03396 ++it;
03397 assert(_date >= edge.LastUpdate());
03398 if ((uint)(_date - edge.LastUpdate()) > LinkGraph::MIN_TIMEOUT_DISTANCE +
03399 (DistanceManhattan(from->xy, to->xy) >> 2)) {
03400 node.RemoveEdge(to->goods[c].node);
03401 ge.flows.DeleteFlows(to->index);
03402 ge.cargo.Reroute(UINT_MAX, &ge.cargo, to->index, from->index, &ge);
03403 }
03404 }
03405 assert(_date >= lg->LastCompression());
03406 if ((uint)(_date - lg->LastCompression()) > LinkGraph::COMPRESSION_INTERVAL) {
03407 lg->Compress();
03408 }
03409 }
03410 }
03411
03420 void IncreaseStats(Station *st, CargoID cargo, StationID next_station_id, uint capacity, uint usage)
03421 {
03422 GoodsEntry &ge1 = st->goods[cargo];
03423 Station *st2 = Station::Get(next_station_id);
03424 GoodsEntry &ge2 = st2->goods[cargo];
03425 LinkGraph *lg = NULL;
03426 if (ge1.link_graph == INVALID_LINK_GRAPH) {
03427 if (ge2.link_graph == INVALID_LINK_GRAPH) {
03428 if (LinkGraph::CanAllocateItem()) {
03429 lg = new LinkGraph(cargo);
03430 LinkGraphSchedule::Instance()->Queue(lg);
03431 ge2.link_graph = lg->index;
03432 ge2.node = lg->AddNode(st2);
03433 } else {
03434 DEBUG(misc, 0, "Can't allocate link graph");
03435 }
03436 } else {
03437 lg = LinkGraph::Get(ge2.link_graph);
03438 }
03439 if (lg) {
03440 ge1.link_graph = lg->index;
03441 ge1.node = lg->AddNode(st);
03442 }
03443 } else if (ge2.link_graph == INVALID_LINK_GRAPH) {
03444 lg = LinkGraph::Get(ge1.link_graph);
03445 ge2.link_graph = lg->index;
03446 ge2.node = lg->AddNode(st2);
03447 } else {
03448 lg = LinkGraph::Get(ge1.link_graph);
03449 if (ge1.link_graph != ge2.link_graph) {
03450 LinkGraph *lg2 = LinkGraph::Get(ge2.link_graph);
03451 if (lg->Size() < lg2->Size()) {
03452 LinkGraphSchedule::Instance()->Unqueue(lg);
03453 lg2->Merge(lg);
03454 lg = lg2;
03455 } else {
03456 LinkGraphSchedule::Instance()->Unqueue(lg2);
03457 lg->Merge(lg2);
03458 }
03459 }
03460 }
03461 if (lg != NULL) {
03462 (*lg)[ge1.node].UpdateEdge(ge2.node, capacity, usage);
03463 }
03464 }
03465
03472 void IncreaseStats(Station *st, const Vehicle *front, StationID next_station_id)
03473 {
03474 for (const Vehicle *v = front; v != NULL; v = v->Next()) {
03475 if (v->refit_cap > 0) {
03476
03477
03478
03479
03480
03481
03482 IncreaseStats(st, v->cargo_type, next_station_id, v->refit_cap,
03483 min(v->refit_cap, v->cargo.StoredCount()));
03484 }
03485 }
03486 }
03487
03488
03489 static void StationHandleSmallTick(BaseStation *st)
03490 {
03491 if ((st->facilities & FACIL_WAYPOINT) != 0 || !st->IsInUse()) return;
03492
03493 byte b = st->delete_ctr + 1;
03494 if (b >= STATION_RATING_TICKS) b = 0;
03495 st->delete_ctr = b;
03496
03497 if (b == 0) UpdateStationRating(Station::From(st));
03498 }
03499
03500 void OnTick_Station()
03501 {
03502 if (_game_mode == GM_EDITOR) return;
03503
03504 BaseStation *st;
03505 FOR_ALL_BASE_STATIONS(st) {
03506 StationHandleSmallTick(st);
03507
03508
03509 if (Station::IsExpected(st) && (_tick_counter + st->index) % STATION_LINKGRAPH_TICKS == 0) {
03510 DeleteStaleLinks(Station::From(st));
03511 };
03512
03513
03514
03515
03516 if ((_tick_counter + st->index) % STATION_ACCEPTANCE_TICKS == 0) {
03517
03518 if (!StationHandleBigTick(st)) continue;
03519 TriggerStationAnimation(st, st->xy, SAT_250_TICKS);
03520 if (Station::IsExpected(st)) AirportAnimationTrigger(Station::From(st), AAT_STATION_250_TICKS);
03521 }
03522 }
03523 }
03524
03526 void StationMonthlyLoop()
03527 {
03528 Station *st;
03529
03530 FOR_ALL_STATIONS(st) {
03531 for (CargoID i = 0; i < NUM_CARGO; i++) {
03532 GoodsEntry *ge = &st->goods[i];
03533 SB(ge->acceptance_pickup, GoodsEntry::GES_LAST_MONTH, 1, GB(ge->acceptance_pickup, GoodsEntry::GES_CURRENT_MONTH, 1));
03534 ClrBit(ge->acceptance_pickup, GoodsEntry::GES_CURRENT_MONTH);
03535 }
03536 }
03537 }
03538
03539
03540 void ModifyStationRatingAround(TileIndex tile, Owner owner, int amount, uint radius)
03541 {
03542 Station *st;
03543
03544 FOR_ALL_STATIONS(st) {
03545 if (st->owner == owner &&
03546 DistanceManhattan(tile, st->xy) <= radius) {
03547 for (CargoID i = 0; i < NUM_CARGO; i++) {
03548 GoodsEntry *ge = &st->goods[i];
03549
03550 if (ge->acceptance_pickup != 0) {
03551 ge->rating = Clamp(ge->rating + amount, 0, 255);
03552 }
03553 }
03554 }
03555 }
03556 }
03557
03558 static uint UpdateStationWaiting(Station *st, CargoID type, uint amount, SourceType source_type, SourceID source_id)
03559 {
03560
03561
03562 if (!CargoPacket::CanAllocateItem()) return 0;
03563
03564 GoodsEntry &ge = st->goods[type];
03565 amount += ge.amount_fract;
03566 ge.amount_fract = GB(amount, 0, 8);
03567
03568 amount >>= 8;
03569
03570 if (amount == 0) return 0;
03571
03572 StationID next = ge.GetVia(st->index);
03573 ge.cargo.Append(new CargoPacket(st->index, st->xy, amount, source_type, source_id), next);
03574 LinkGraph *lg = NULL;
03575 if (ge.link_graph == INVALID_LINK_GRAPH) {
03576 if (LinkGraph::CanAllocateItem()) {
03577 lg = new LinkGraph(type);
03578 LinkGraphSchedule::Instance()->Queue(lg);
03579 ge.link_graph = lg->index;
03580 ge.node = lg->AddNode(st);
03581 } else {
03582 DEBUG(misc, 0, "Can't allocate link graph");
03583 }
03584 } else {
03585 lg = LinkGraph::Get(ge.link_graph);
03586 }
03587 if (lg != NULL) (*lg)[ge.node].UpdateSupply(amount);
03588
03589 if (!ge.HasRating()) {
03590 InvalidateWindowData(WC_STATION_LIST, st->index);
03591 SetBit(ge.acceptance_pickup, GoodsEntry::GES_PICKUP);
03592 }
03593
03594 TriggerStationRandomisation(st, st->xy, SRT_NEW_CARGO, type);
03595 TriggerStationAnimation(st, st->xy, SAT_NEW_CARGO, type);
03596 AirportAnimationTrigger(st, AAT_STATION_NEW_CARGO, type);
03597
03598 SetWindowDirty(WC_STATION_VIEW, st->index);
03599 st->MarkTilesDirty(true);
03600 return amount;
03601 }
03602
03603 static bool IsUniqueStationName(const char *name)
03604 {
03605 const Station *st;
03606
03607 FOR_ALL_STATIONS(st) {
03608 if (st->name != NULL && strcmp(st->name, name) == 0) return false;
03609 }
03610
03611 return true;
03612 }
03613
03623 CommandCost CmdRenameStation(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
03624 {
03625 Station *st = Station::GetIfValid(p1);
03626 if (st == NULL) return CMD_ERROR;
03627
03628 CommandCost ret = CheckOwnership(st->owner);
03629 if (ret.Failed()) return ret;
03630
03631 bool reset = StrEmpty(text);
03632
03633 if (!reset) {
03634 if (Utf8StringLength(text) >= MAX_LENGTH_STATION_NAME_CHARS) return CMD_ERROR;
03635 if (!IsUniqueStationName(text)) return_cmd_error(STR_ERROR_NAME_MUST_BE_UNIQUE);
03636 }
03637
03638 if (flags & DC_EXEC) {
03639 free(st->name);
03640 st->name = reset ? NULL : strdup(text);
03641
03642 st->UpdateVirtCoord();
03643 InvalidateWindowData(WC_STATION_LIST, st->owner, 1);
03644 }
03645
03646 return CommandCost();
03647 }
03648
03655 void FindStationsAroundTiles(const TileArea &location, StationList *stations)
03656 {
03657
03658 uint max_rad = (_settings_game.station.modified_catchment ? MAX_CATCHMENT : CA_UNMODIFIED);
03659
03660 uint x = TileX(location.tile);
03661 uint y = TileY(location.tile);
03662
03663 uint min_x = (x > max_rad) ? x - max_rad : 0;
03664 uint max_x = x + location.w + max_rad;
03665 uint min_y = (y > max_rad) ? y - max_rad : 0;
03666 uint max_y = y + location.h + max_rad;
03667
03668 if (min_x == 0 && _settings_game.construction.freeform_edges) min_x = 1;
03669 if (min_y == 0 && _settings_game.construction.freeform_edges) min_y = 1;
03670 if (max_x >= MapSizeX()) max_x = MapSizeX() - 1;
03671 if (max_y >= MapSizeY()) max_y = MapSizeY() - 1;
03672
03673 for (uint cy = min_y; cy < max_y; cy++) {
03674 for (uint cx = min_x; cx < max_x; cx++) {
03675 TileIndex cur_tile = TileXY(cx, cy);
03676 if (!IsTileType(cur_tile, MP_STATION)) continue;
03677
03678 Station *st = Station::GetByTile(cur_tile);
03679
03680 if (st == NULL) continue;
03681
03682 if (_settings_game.station.modified_catchment) {
03683 int rad = st->GetCatchmentRadius();
03684 int rad_x = cx - x;
03685 int rad_y = cy - y;
03686
03687 if (rad_x < -rad || rad_x >= rad + location.w) continue;
03688 if (rad_y < -rad || rad_y >= rad + location.h) continue;
03689 }
03690
03691
03692
03693
03694 stations->Include(st);
03695 }
03696 }
03697 }
03698
03703 const StationList *StationFinder::GetStations()
03704 {
03705 if (this->tile != INVALID_TILE) {
03706 FindStationsAroundTiles(*this, &this->stations);
03707 this->tile = INVALID_TILE;
03708 }
03709 return &this->stations;
03710 }
03711
03712 uint MoveGoodsToStation(CargoID type, uint amount, SourceType source_type, SourceID source_id, const StationList *all_stations)
03713 {
03714
03715 if (amount == 0) return 0;
03716
03717 Station *st1 = NULL;
03718 Station *st2 = NULL;
03719 uint best_rating1 = 0;
03720 uint best_rating2 = 0;
03721
03722 for (Station * const *st_iter = all_stations->Begin(); st_iter != all_stations->End(); ++st_iter) {
03723 Station *st = *st_iter;
03724
03725
03726 if (st->town->exclusive_counter > 0 && st->town->exclusivity != st->owner) continue;
03727
03728 if (st->goods[type].rating == 0) continue;
03729
03730 if (_settings_game.order.selectgoods && !st->goods[type].HasVehicleEverTriedLoading()) continue;
03731
03732 if (IsCargoInClass(type, CC_PASSENGERS)) {
03733 if (st->facilities == FACIL_TRUCK_STOP) continue;
03734 } else {
03735 if (st->facilities == FACIL_BUS_STOP) continue;
03736 }
03737
03738
03739 if (st1 == NULL || st->goods[type].rating >= best_rating1) {
03740 st2 = st1; best_rating2 = best_rating1; st1 = st; best_rating1 = st->goods[type].rating;
03741 } else if (st2 == NULL || st->goods[type].rating >= best_rating2) {
03742 st2 = st; best_rating2 = st->goods[type].rating;
03743 }
03744 }
03745
03746
03747 if (st1 == NULL) return 0;
03748
03749
03750
03751 amount *= best_rating1 + 1;
03752
03753 if (st2 == NULL) {
03754
03755 return UpdateStationWaiting(st1, type, amount, source_type, source_id);
03756 }
03757
03758
03759 assert(st1 != NULL);
03760 assert(st2 != NULL);
03761 assert(best_rating1 != 0 || best_rating2 != 0);
03762
03763
03764
03765
03766
03767
03768 uint worst_cargo = amount * best_rating2 / (best_rating1 + best_rating2);
03769 assert(worst_cargo <= (amount - worst_cargo));
03770
03771
03772 uint moved = UpdateStationWaiting(st1, type, amount - worst_cargo, source_type, source_id);
03773
03774
03775 return moved + UpdateStationWaiting(st2, type, worst_cargo, source_type, source_id);
03776 }
03777
03778 void BuildOilRig(TileIndex tile)
03779 {
03780 if (!Station::CanAllocateItem()) {
03781 DEBUG(misc, 0, "Can't allocate station for oilrig at 0x%X, reverting to oilrig only", tile);
03782 return;
03783 }
03784
03785 Station *st = new Station(tile);
03786 st->town = ClosestTownFromTile(tile, UINT_MAX);
03787
03788 st->string_id = GenerateStationName(st, tile, STATIONNAMING_OILRIG);
03789
03790 assert(IsTileType(tile, MP_INDUSTRY));
03791 DeleteAnimatedTile(tile);
03792 MakeOilrig(tile, st->index, GetWaterClass(tile));
03793
03794 st->owner = OWNER_NONE;
03795 st->airport.type = AT_OILRIG;
03796 st->airport.Add(tile);
03797 st->dock_tile = tile;
03798 st->facilities = FACIL_AIRPORT | FACIL_DOCK;
03799 st->build_date = _date;
03800
03801 st->rect.BeforeAddTile(tile, StationRect::ADD_FORCE);
03802
03803 st->UpdateVirtCoord();
03804 UpdateStationAcceptance(st, false);
03805 st->RecomputeIndustriesNear();
03806 }
03807
03808 void DeleteOilRig(TileIndex tile)
03809 {
03810 Station *st = Station::GetByTile(tile);
03811
03812 MakeWaterKeepingClass(tile, OWNER_NONE);
03813
03814 st->dock_tile = INVALID_TILE;
03815 st->airport.Clear();
03816 st->facilities &= ~(FACIL_AIRPORT | FACIL_DOCK);
03817 st->airport.flags = 0;
03818
03819 st->rect.AfterRemoveTile(st, tile);
03820
03821 st->UpdateVirtCoord();
03822 st->RecomputeIndustriesNear();
03823 if (!st->IsInUse()) delete st;
03824 }
03825
03826 static void ChangeTileOwner_Station(TileIndex tile, Owner old_owner, Owner new_owner)
03827 {
03828 if (IsRoadStopTile(tile)) {
03829 for (RoadType rt = ROADTYPE_ROAD; rt < ROADTYPE_END; rt++) {
03830
03831 if (GetRoadOwner(tile, rt) == old_owner) {
03832 if (HasTileRoadType(tile, rt)) {
03833
03834 Company::Get(old_owner)->infrastructure.road[rt] -= 2;
03835 if (new_owner != INVALID_OWNER) Company::Get(new_owner)->infrastructure.road[rt] += 2;
03836 }
03837 SetRoadOwner(tile, rt, new_owner == INVALID_OWNER ? OWNER_NONE : new_owner);
03838 }
03839 }
03840 }
03841
03842 if (!IsTileOwner(tile, old_owner)) return;
03843
03844 if (new_owner != INVALID_OWNER) {
03845
03846
03847
03848
03849 Company *old_company = Company::Get(old_owner);
03850 Company *new_company = Company::Get(new_owner);
03851
03852
03853 switch (GetStationType(tile)) {
03854 case STATION_RAIL:
03855 case STATION_WAYPOINT:
03856 if (!IsStationTileBlocked(tile)) {
03857 old_company->infrastructure.rail[GetRailType(tile)]--;
03858 new_company->infrastructure.rail[GetRailType(tile)]++;
03859 }
03860 break;
03861
03862 case STATION_BUS:
03863 case STATION_TRUCK:
03864
03865 break;
03866
03867 case STATION_BUOY:
03868 case STATION_DOCK:
03869 if (GetWaterClass(tile) == WATER_CLASS_CANAL) {
03870 old_company->infrastructure.water--;
03871 new_company->infrastructure.water++;
03872 }
03873 break;
03874
03875 default:
03876 break;
03877 }
03878
03879
03880 if (!IsBuoy(tile) && !IsAirport(tile)) {
03881 old_company->infrastructure.station--;
03882 new_company->infrastructure.station++;
03883 }
03884
03885
03886 SetTileOwner(tile, new_owner);
03887 InvalidateWindowClassesData(WC_STATION_LIST, 0);
03888 } else {
03889 if (IsDriveThroughStopTile(tile)) {
03890
03891 DoCommand(tile, 1 | 1 << 8, (GetStationType(tile) == STATION_TRUCK) ? ROADSTOP_TRUCK : ROADSTOP_BUS, DC_EXEC | DC_BANKRUPT, CMD_REMOVE_ROAD_STOP);
03892 assert(IsTileType(tile, MP_ROAD));
03893
03894 ChangeTileOwner(tile, old_owner, new_owner);
03895 } else {
03896 DoCommand(tile, 0, 0, DC_EXEC | DC_BANKRUPT, CMD_LANDSCAPE_CLEAR);
03897
03898
03899
03900 if ((IsTileType(tile, MP_WATER) || IsBuoyTile(tile)) && IsTileOwner(tile, old_owner)) SetTileOwner(tile, OWNER_NONE);
03901 }
03902 }
03903 }
03904
03913 static bool CanRemoveRoadWithStop(TileIndex tile, DoCommandFlag flags)
03914 {
03915
03916 if (_current_company == OWNER_WATER) return true;
03917
03918 RoadTypes rts = GetRoadTypes(tile);
03919 if (HasBit(rts, ROADTYPE_TRAM)) {
03920 Owner tram_owner = GetRoadOwner(tile, ROADTYPE_TRAM);
03921 if (tram_owner != OWNER_NONE && CheckOwnership(tram_owner).Failed()) return false;
03922 }
03923 if (HasBit(rts, ROADTYPE_ROAD)) {
03924 Owner road_owner = GetRoadOwner(tile, ROADTYPE_ROAD);
03925 if (road_owner != OWNER_TOWN) {
03926 if (road_owner != OWNER_NONE && CheckOwnership(road_owner).Failed()) return false;
03927 } else {
03928 if (CheckAllowRemoveRoad(tile, GetAnyRoadBits(tile, ROADTYPE_ROAD), OWNER_TOWN, ROADTYPE_ROAD, flags).Failed()) return false;
03929 }
03930 }
03931
03932 return true;
03933 }
03934
03941 CommandCost ClearTile_Station(TileIndex tile, DoCommandFlag flags)
03942 {
03943 if (flags & DC_AUTO) {
03944 switch (GetStationType(tile)) {
03945 default: break;
03946 case STATION_RAIL: return_cmd_error(STR_ERROR_MUST_DEMOLISH_RAILROAD);
03947 case STATION_WAYPOINT: return_cmd_error(STR_ERROR_BUILDING_MUST_BE_DEMOLISHED);
03948 case STATION_AIRPORT: return_cmd_error(STR_ERROR_MUST_DEMOLISH_AIRPORT_FIRST);
03949 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);
03950 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);
03951 case STATION_BUOY: return_cmd_error(STR_ERROR_BUOY_IN_THE_WAY);
03952 case STATION_DOCK: return_cmd_error(STR_ERROR_MUST_DEMOLISH_DOCK_FIRST);
03953 case STATION_OILRIG:
03954 SetDParam(1, STR_INDUSTRY_NAME_OIL_RIG);
03955 return_cmd_error(STR_ERROR_GENERIC_OBJECT_IN_THE_WAY);
03956 }
03957 }
03958
03959 switch (GetStationType(tile)) {
03960 case STATION_RAIL: return RemoveRailStation(tile, flags);
03961 case STATION_WAYPOINT: return RemoveRailWaypoint(tile, flags);
03962 case STATION_AIRPORT: return RemoveAirport(tile, flags);
03963 case STATION_TRUCK:
03964 if (IsDriveThroughStopTile(tile) && !CanRemoveRoadWithStop(tile, flags)) {
03965 return_cmd_error(STR_ERROR_MUST_DEMOLISH_TRUCK_STATION_FIRST);
03966 }
03967 return RemoveRoadStop(tile, flags);
03968 case STATION_BUS:
03969 if (IsDriveThroughStopTile(tile) && !CanRemoveRoadWithStop(tile, flags)) {
03970 return_cmd_error(STR_ERROR_MUST_DEMOLISH_BUS_STATION_FIRST);
03971 }
03972 return RemoveRoadStop(tile, flags);
03973 case STATION_BUOY: return RemoveBuoy(tile, flags);
03974 case STATION_DOCK: return RemoveDock(tile, flags);
03975 default: break;
03976 }
03977
03978 return CMD_ERROR;
03979 }
03980
03981 static CommandCost TerraformTile_Station(TileIndex tile, DoCommandFlag flags, int z_new, Slope tileh_new)
03982 {
03983 if (_settings_game.construction.build_on_slopes && AutoslopeEnabled()) {
03984
03985
03986
03987 if (GetTileMaxZ(tile) == z_new + GetSlopeMaxZ(tileh_new)) {
03988 switch (GetStationType(tile)) {
03989 case STATION_WAYPOINT:
03990 case STATION_RAIL: {
03991 DiagDirection direction = AxisToDiagDir(GetRailStationAxis(tile));
03992 if (!AutoslopeCheckForEntranceEdge(tile, z_new, tileh_new, direction)) break;
03993 if (!AutoslopeCheckForEntranceEdge(tile, z_new, tileh_new, ReverseDiagDir(direction))) break;
03994 return CommandCost(EXPENSES_CONSTRUCTION, _price[PR_BUILD_FOUNDATION]);
03995 }
03996
03997 case STATION_AIRPORT:
03998 return CommandCost(EXPENSES_CONSTRUCTION, _price[PR_BUILD_FOUNDATION]);
03999
04000 case STATION_TRUCK:
04001 case STATION_BUS: {
04002 DiagDirection direction = GetRoadStopDir(tile);
04003 if (!AutoslopeCheckForEntranceEdge(tile, z_new, tileh_new, direction)) break;
04004 if (IsDriveThroughStopTile(tile)) {
04005 if (!AutoslopeCheckForEntranceEdge(tile, z_new, tileh_new, ReverseDiagDir(direction))) break;
04006 }
04007 return CommandCost(EXPENSES_CONSTRUCTION, _price[PR_BUILD_FOUNDATION]);
04008 }
04009
04010 default: break;
04011 }
04012 }
04013 }
04014 return DoCommand(tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR);
04015 }
04016
04022 uint FlowStat::GetShare(StationID st) const
04023 {
04024 uint32 prev = 0;
04025 for (SharesMap::const_iterator it = this->shares.begin(); it != this->shares.end(); ++it) {
04026 if (it->second == st) {
04027 return it->first - prev;
04028 } else {
04029 prev = it->first;
04030 }
04031 }
04032 return 0;
04033 }
04034
04040 StationID FlowStat::GetVia(StationID excluded, StationID excluded2) const
04041 {
04042 assert(!this->shares.empty());
04043 uint max = (--this->shares.end())->first - 1;
04044 SharesMap::const_iterator it = this->shares.upper_bound(RandomRange(max));
04045 assert(it != this->shares.end());
04046 if (it->second != excluded && it->second != excluded2) return it->second;
04047
04048
04049
04050
04051 uint end = it->first;
04052 uint begin = (it == this->shares.begin() ? 0 : (--it)->first);
04053 uint interval = end - begin;
04054 if (interval > max) return INVALID_STATION;
04055 uint new_max = max - interval;
04056 uint rand = RandomRange(new_max);
04057 SharesMap::const_iterator it2 = (rand < begin) ? this->shares.upper_bound(rand) :
04058 this->shares.upper_bound(rand + interval);
04059 if (it2->second != excluded && it2->second != excluded2) return it2->second;
04060
04061
04062
04063
04064 uint end2 = it2->first;
04065 uint begin2 = (it2 == this->shares.begin() ? 0 : (--it2)->first);
04066 uint interval2 = end2 - begin2;
04067 if (interval2 > new_max) return INVALID_STATION;
04068 new_max -= interval2;
04069 if (begin > begin2) {
04070 Swap(begin, begin2);
04071 Swap(end, end2);
04072 Swap(interval, interval2);
04073 }
04074 rand = RandomRange(new_max);
04075 if (rand < begin) {
04076 return this->shares.upper_bound(rand)->second;
04077 } else if (rand < begin2 - interval) {
04078 return this->shares.upper_bound(rand + interval)->second;
04079 } else {
04080 return this->shares.upper_bound(rand + interval + interval2)->second;
04081 }
04082
04083 }
04084
04091 void FlowStat::ChangeShare(StationID st, int flow)
04092 {
04093
04094
04095 assert(!this->shares.empty());
04096
04097 int32 added_shares = 0;
04098 uint32 last_share = 0;
04099 SharesMap new_shares;
04100 for (SharesMap::iterator it(this->shares.begin()); it != this->shares.end(); ++it) {
04101 if (it->second == st) {
04102 uint share = it->first - last_share;
04103 int change = flow - added_shares;
04104 uint new_share = (change < 0 && (uint)(-change) > share) ? 0 : share + change;
04105 added_shares -= share;
04106 added_shares += new_share;
04107 if (new_share > 0) {
04108 new_shares[it->first + added_shares] = it->second;
04109 }
04110 } else {
04111 new_shares[it->first + added_shares] = it->second;
04112 }
04113 last_share = it->first;
04114 }
04115 if (flow > added_shares) {
04116 new_shares[last_share + flow - added_shares] = st;
04117 }
04118 this->shares.swap(new_shares);
04119 }
04120
04126 void FlowStat::Cleanup(NodeID self, LinkGraphID link_graph)
04127 {
04128 const LinkGraph *lg = LinkGraph::Get(link_graph);
04129 for (SharesMap::iterator it(this->shares.begin()); it != this->shares.end();) {
04130 const GoodsEntry &ge = Station::Get(it->second)->goods[lg->Cargo()];
04131 if (ge.link_graph != link_graph ||
04132 (ge.node != self && (*lg)[self][ge.node].LastUpdate() == INVALID_DATE)) {
04133 this->shares.erase(it++);
04134 } else {
04135 ++it;
04136 }
04137 }
04138 }
04139
04146 void FlowStatMap::AddFlow(StationID origin, StationID via, uint flow)
04147 {
04148 FlowStatMap::iterator origin_it = this->find(origin);
04149 if (origin_it == this->end()) {
04150 this->insert(std::make_pair(origin, FlowStat(via, flow)));
04151 } else {
04152 origin_it->second.ChangeShare(via, flow);
04153 assert(!origin_it->second.GetShares()->empty());
04154 }
04155 }
04156
04165 void FlowStatMap::PassOnFlow(StationID origin, StationID via, uint flow)
04166 {
04167 FlowStatMap::iterator prev_it = this->find(origin);
04168 if (prev_it == this->end()) {
04169 FlowStat fs(via, flow);
04170 fs.AppendShare(INVALID_STATION, flow);
04171 this->insert(std::make_pair(origin, fs));
04172 } else {
04173 prev_it->second.ChangeShare(via, flow);
04174 prev_it->second.ChangeShare(INVALID_STATION, flow);
04175 assert(!prev_it->second.GetShares()->empty());
04176 }
04177 }
04178
04183 void FlowStatMap::FinalizeLocalConsumption(StationID self)
04184 {
04185 for (FlowStatMap::iterator i = this->begin(); i != this->end(); ++i) {
04186 FlowStat &fs = i->second;
04187 uint local = fs.GetShare(INVALID_STATION);
04188 fs.ChangeShare(self, -local);
04189 fs.ChangeShare(INVALID_STATION, -local);
04190
04191
04192
04193 assert(!fs.GetShares()->empty());
04194 }
04195 }
04196
04202 void FlowStatMap::Cleanup(NodeID self, LinkGraphID link_graph)
04203 {
04204 for (FlowStatMap::iterator i = this->begin(); i != this->end();) {
04205 i->second.Cleanup(self, link_graph);
04206 if (i->second.GetShares()->empty()) {
04207 this->erase(i++);
04208 } else {
04209 ++i;
04210 }
04211 }
04212 }
04213
04218 void FlowStatMap::DeleteFlows(StationID via)
04219 {
04220 for (FlowStatMap::iterator f_it = this->begin(); f_it != this->end();) {
04221 FlowStat &s_flows = f_it->second;
04222 s_flows.ChangeShare(via, INT_MIN);
04223 if (s_flows.GetShares()->empty()) {
04224 this->erase(f_it++);
04225 } else {
04226 ++f_it;
04227 }
04228 }
04229 }
04230
04236 uint GoodsEntry::GetSumFlowVia(StationID via) const
04237 {
04238 uint ret = 0;
04239 for (FlowStatMap::const_iterator i = this->flows.begin(); i != this->flows.end(); ++i) {
04240 ret += i->second.GetShare(via);
04241 }
04242 return ret;
04243 }
04244
04245 extern const TileTypeProcs _tile_type_station_procs = {
04246 DrawTile_Station,
04247 GetSlopePixelZ_Station,
04248 ClearTile_Station,
04249 NULL,
04250 GetTileDesc_Station,
04251 GetTileTrackStatus_Station,
04252 ClickTile_Station,
04253 AnimateTile_Station,
04254 TileLoop_Station,
04255 ChangeTileOwner_Station,
04256 NULL,
04257 VehicleEnter_Station,
04258 GetFoundation_Station,
04259 TerraformTile_Station,
04260 };