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00012 #include "stdafx.h"
00013 #include "aircraft.h"
00014 #include "bridge_map.h"
00015 #include "cmd_helper.h"
00016 #include "landscape.h"
00017 #include "viewport_func.h"
00018 #include "command_func.h"
00019 #include "town.h"
00020 #include "news_func.h"
00021 #include "train.h"
00022 #include "roadveh.h"
00023 #include "industry.h"
00024 #include "newgrf_cargo.h"
00025 #include "newgrf_station.h"
00026 #include "pathfinder/yapf/yapf_cache.h"
00027 #include "road_internal.h"
00028 #include "variables.h"
00029 #include "autoslope.h"
00030 #include "water.h"
00031 #include "station_gui.h"
00032 #include "strings_func.h"
00033 #include "functions.h"
00034 #include "window_func.h"
00035 #include "date_func.h"
00036 #include "vehicle_func.h"
00037 #include "string_func.h"
00038 #include "animated_tile_func.h"
00039 #include "elrail_func.h"
00040 #include "station_base.h"
00041 #include "roadstop_base.h"
00042 #include "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 "newgrf.h"
00049
00050 #include "table/strings.h"
00051
00058 bool IsHangar(TileIndex t)
00059 {
00060 assert(IsTileType(t, MP_STATION));
00061
00062
00063 if (!IsAirport(t)) return false;
00064
00065 const Station *st = Station::GetByTile(t);
00066 const AirportSpec *as = st->GetAirportSpec();
00067
00068 for (uint i = 0; i < as->nof_depots; i++) {
00069 if (st->GetHangarTile(i) == t) return true;
00070 }
00071
00072 return false;
00073 }
00074
00082 template <class T>
00083 bool GetStationAround(TileArea ta, StationID closest_station, T **st)
00084 {
00085
00086 TILE_LOOP(tile_cur, ta.w + 2, ta.h + 2, ta.tile - TileDiffXY(1, 1)) {
00087 if (IsTileType(tile_cur, MP_STATION)) {
00088 StationID t = GetStationIndex(tile_cur);
00089
00090 if (closest_station == INVALID_STATION) {
00091 if (T::IsValidID(t)) closest_station = t;
00092 } else if (closest_station != t) {
00093 _error_message = STR_ERROR_ADJOINS_MORE_THAN_ONE_EXISTING;
00094 return false;
00095 }
00096 }
00097 }
00098 *st = (closest_station == INVALID_STATION) ? NULL : T::Get(closest_station);
00099 return true;
00100 }
00101
00107 typedef bool (*CMSAMatcher)(TileIndex tile);
00108
00115 static int CountMapSquareAround(TileIndex tile, CMSAMatcher cmp)
00116 {
00117 int num = 0;
00118
00119 for (int dx = -3; dx <= 3; dx++) {
00120 for (int dy = -3; dy <= 3; dy++) {
00121 TileIndex t = TileAddWrap(tile, dx, dy);
00122 if (t != INVALID_TILE && cmp(t)) num++;
00123 }
00124 }
00125
00126 return num;
00127 }
00128
00134 static bool CMSAMine(TileIndex tile)
00135 {
00136
00137 if (!IsTileType(tile, MP_INDUSTRY)) return false;
00138
00139 const Industry *ind = Industry::GetByTile(tile);
00140
00141
00142 if ((GetIndustrySpec(ind->type)->life_type & INDUSTRYLIFE_EXTRACTIVE) == 0) return false;
00143
00144 for (uint i = 0; i < lengthof(ind->produced_cargo); i++) {
00145
00146
00147 if (ind->produced_cargo[i] != CT_INVALID &&
00148 (CargoSpec::Get(ind->produced_cargo[i])->classes & (CC_LIQUID | CC_PASSENGERS | CC_MAIL)) == 0) {
00149 return true;
00150 }
00151 }
00152
00153 return false;
00154 }
00155
00161 static bool CMSAWater(TileIndex tile)
00162 {
00163 return IsTileType(tile, MP_WATER) && IsWater(tile);
00164 }
00165
00171 static bool CMSATree(TileIndex tile)
00172 {
00173 return IsTileType(tile, MP_TREES);
00174 }
00175
00181 static bool CMSAForest(TileIndex tile)
00182 {
00183
00184 if (!IsTileType(tile, MP_INDUSTRY)) return false;
00185
00186 const Industry *ind = Industry::GetByTile(tile);
00187
00188
00189 if ((GetIndustrySpec(ind->type)->life_type & INDUSTRYLIFE_ORGANIC) == 0) return false;
00190
00191 for (uint i = 0; i < lengthof(ind->produced_cargo); i++) {
00192
00193 if (ind->produced_cargo[i] != CT_INVALID && CargoSpec::Get(ind->produced_cargo[i])->label == 'WOOD') return true;
00194 }
00195
00196 return false;
00197 }
00198
00199 #define M(x) ((x) - STR_SV_STNAME)
00200
00201 enum StationNaming {
00202 STATIONNAMING_RAIL,
00203 STATIONNAMING_ROAD,
00204 STATIONNAMING_AIRPORT,
00205 STATIONNAMING_OILRIG,
00206 STATIONNAMING_DOCK,
00207 STATIONNAMING_HELIPORT,
00208 };
00209
00211 struct StationNameInformation {
00212 uint32 free_names;
00213 bool *indtypes;
00214 };
00215
00224 static bool FindNearIndustryName(TileIndex tile, void *user_data)
00225 {
00226
00227 StationNameInformation *sni = (StationNameInformation*)user_data;
00228 if (!IsTileType(tile, MP_INDUSTRY)) return false;
00229
00230
00231 IndustryType indtype = GetIndustryType(tile);
00232 if (GetIndustrySpec(indtype)->station_name == STR_UNDEFINED) return false;
00233
00234
00235
00236 sni->free_names &= ~(1 << M(STR_SV_STNAME_OILFIELD) | 1 << M(STR_SV_STNAME_MINES));
00237 return !sni->indtypes[indtype];
00238 }
00239
00240 static StringID GenerateStationName(Station *st, TileIndex tile, StationNaming name_class)
00241 {
00242 static const uint32 _gen_station_name_bits[] = {
00243 0,
00244 0,
00245 1U << M(STR_SV_STNAME_AIRPORT),
00246 1U << M(STR_SV_STNAME_OILFIELD),
00247 1U << M(STR_SV_STNAME_DOCKS),
00248 1U << M(STR_SV_STNAME_HELIPORT),
00249 };
00250
00251 const Town *t = st->town;
00252 uint32 free_names = UINT32_MAX;
00253
00254 bool indtypes[NUM_INDUSTRYTYPES];
00255 memset(indtypes, 0, sizeof(indtypes));
00256
00257 const Station *s;
00258 FOR_ALL_STATIONS(s) {
00259 if (s != st && s->town == t) {
00260 if (s->indtype != IT_INVALID) {
00261 indtypes[s->indtype] = true;
00262 continue;
00263 }
00264 uint str = M(s->string_id);
00265 if (str <= 0x20) {
00266 if (str == M(STR_SV_STNAME_FOREST)) {
00267 str = M(STR_SV_STNAME_WOODS);
00268 }
00269 ClrBit(free_names, str);
00270 }
00271 }
00272 }
00273
00274 TileIndex indtile = tile;
00275 StationNameInformation sni = { free_names, indtypes };
00276 if (CircularTileSearch(&indtile, 7, FindNearIndustryName, &sni)) {
00277
00278 IndustryType indtype = GetIndustryType(indtile);
00279 const IndustrySpec *indsp = GetIndustrySpec(indtype);
00280
00281 if (indsp->station_name != STR_NULL) {
00282 st->indtype = indtype;
00283 return STR_SV_STNAME_FALLBACK;
00284 }
00285 }
00286
00287
00288 free_names = sni.free_names;
00289
00290
00291 uint32 tmp = free_names & _gen_station_name_bits[name_class];
00292 if (tmp != 0) return STR_SV_STNAME + FindFirstBit(tmp);
00293
00294
00295 if (HasBit(free_names, M(STR_SV_STNAME_MINES))) {
00296 if (CountMapSquareAround(tile, CMSAMine) >= 2) {
00297 return STR_SV_STNAME_MINES;
00298 }
00299 }
00300
00301
00302 if (DistanceMax(tile, t->xy) < 8) {
00303 if (HasBit(free_names, M(STR_SV_STNAME))) return STR_SV_STNAME;
00304
00305 if (HasBit(free_names, M(STR_SV_STNAME_CENTRAL))) return STR_SV_STNAME_CENTRAL;
00306 }
00307
00308
00309 if (HasBit(free_names, M(STR_SV_STNAME_LAKESIDE)) &&
00310 DistanceFromEdge(tile) < 20 &&
00311 CountMapSquareAround(tile, CMSAWater) >= 5) {
00312 return STR_SV_STNAME_LAKESIDE;
00313 }
00314
00315
00316 if (HasBit(free_names, M(STR_SV_STNAME_WOODS)) && (
00317 CountMapSquareAround(tile, CMSATree) >= 8 ||
00318 CountMapSquareAround(tile, CMSAForest) >= 2)
00319 ) {
00320 return _settings_game.game_creation.landscape == LT_TROPIC ? STR_SV_STNAME_FOREST : STR_SV_STNAME_WOODS;
00321 }
00322
00323
00324 uint z = GetTileZ(tile);
00325 uint z2 = GetTileZ(t->xy);
00326 if (z < z2) {
00327 if (HasBit(free_names, M(STR_SV_STNAME_VALLEY))) return STR_SV_STNAME_VALLEY;
00328 } else if (z > z2) {
00329 if (HasBit(free_names, M(STR_SV_STNAME_HEIGHTS))) return STR_SV_STNAME_HEIGHTS;
00330 }
00331
00332
00333 static const int8 _direction_and_table[] = {
00334 ~( (1 << M(STR_SV_STNAME_WEST)) | (1 << M(STR_SV_STNAME_EAST)) | (1 << M(STR_SV_STNAME_NORTH)) ),
00335 ~( (1 << M(STR_SV_STNAME_SOUTH)) | (1 << M(STR_SV_STNAME_WEST)) | (1 << M(STR_SV_STNAME_NORTH)) ),
00336 ~( (1 << M(STR_SV_STNAME_SOUTH)) | (1 << M(STR_SV_STNAME_EAST)) | (1 << M(STR_SV_STNAME_NORTH)) ),
00337 ~( (1 << M(STR_SV_STNAME_SOUTH)) | (1 << M(STR_SV_STNAME_WEST)) | (1 << M(STR_SV_STNAME_EAST)) ),
00338 };
00339
00340 free_names &= _direction_and_table[
00341 (TileX(tile) < TileX(t->xy)) +
00342 (TileY(tile) < TileY(t->xy)) * 2];
00343
00344 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));
00345 return (tmp == 0) ? STR_SV_STNAME_FALLBACK : (STR_SV_STNAME + FindFirstBit(tmp));
00346 }
00347 #undef M
00348
00354 static Station *GetClosestDeletedStation(TileIndex tile)
00355 {
00356 uint threshold = 8;
00357 Station *best_station = NULL;
00358 Station *st;
00359
00360 FOR_ALL_STATIONS(st) {
00361 if (!st->IsInUse() && st->owner == _current_company) {
00362 uint cur_dist = DistanceManhattan(tile, st->xy);
00363
00364 if (cur_dist < threshold) {
00365 threshold = cur_dist;
00366 best_station = st;
00367 }
00368 }
00369 }
00370
00371 return best_station;
00372 }
00373
00374
00375 void Station::GetTileArea(TileArea *ta, StationType type) const
00376 {
00377 switch (type) {
00378 case STATION_RAIL:
00379 *ta = this->train_station;
00380 return;
00381
00382 case STATION_AIRPORT:
00383 ta->tile = this->airport_tile;
00384 ta->w = this->GetAirportSpec()->size_x;
00385 ta->h = this->GetAirportSpec()->size_y;
00386 return;
00387
00388 case STATION_TRUCK:
00389 *ta = this->truck_station;
00390 return;
00391
00392 case STATION_BUS:
00393 *ta = this->bus_station;
00394 return;
00395
00396 case STATION_DOCK:
00397 case STATION_OILRIG:
00398 ta->tile = this->dock_tile;
00399 break;
00400
00401 default: NOT_REACHED();
00402 }
00403
00404 ta->w = 1;
00405 ta->h = 1;
00406 }
00407
00411 void Station::UpdateVirtCoord()
00412 {
00413 Point pt = RemapCoords2(TileX(this->xy) * TILE_SIZE, TileY(this->xy) * TILE_SIZE);
00414
00415 pt.y -= 32;
00416 if ((this->facilities & FACIL_AIRPORT) && this->airport_type == AT_OILRIG) pt.y -= 16;
00417
00418 SetDParam(0, this->index);
00419 SetDParam(1, this->facilities);
00420 this->sign.UpdatePosition(pt.x, pt.y, STR_VIEWPORT_STATION);
00421
00422 SetWindowDirty(WC_STATION_VIEW, this->index);
00423 }
00424
00426 void UpdateAllStationVirtCoords()
00427 {
00428 BaseStation *st;
00429
00430 FOR_ALL_BASE_STATIONS(st) {
00431 st->UpdateVirtCoord();
00432 }
00433 }
00434
00439 static uint GetAcceptanceMask(const Station *st)
00440 {
00441 uint mask = 0;
00442
00443 for (CargoID i = 0; i < NUM_CARGO; i++) {
00444 if (HasBit(st->goods[i].acceptance_pickup, GoodsEntry::ACCEPTANCE)) mask |= 1 << i;
00445 }
00446 return mask;
00447 }
00448
00452 static void ShowRejectOrAcceptNews(const Station *st, uint num_items, CargoID *cargo, StringID msg)
00453 {
00454 for (uint i = 0; i < num_items; i++) {
00455 SetDParam(i + 1, CargoSpec::Get(cargo[i])->name);
00456 }
00457
00458 SetDParam(0, st->index);
00459 AddNewsItem(msg, NS_ACCEPTANCE, NR_STATION, st->index);
00460 }
00461
00469 CargoArray GetProductionAroundTiles(TileIndex tile, int w, int h, int rad)
00470 {
00471 CargoArray produced;
00472
00473 int x = TileX(tile);
00474 int y = TileY(tile);
00475
00476
00477
00478 int x2 = min(x + w + rad, MapSizeX());
00479 int x1 = max(x - rad, 0);
00480
00481 int y2 = min(y + h + rad, MapSizeY());
00482 int y1 = max(y - rad, 0);
00483
00484 assert(x1 < x2);
00485 assert(y1 < y2);
00486 assert(w > 0);
00487 assert(h > 0);
00488
00489 TileArea ta(TileXY(x1, y1), TileXY(x2 - 1, y2 - 1));
00490
00491
00492
00493 TILE_AREA_LOOP(tile, ta) AddProducedCargo(tile, produced);
00494
00495
00496
00497
00498
00499
00500
00501 const Industry *i;
00502 FOR_ALL_INDUSTRIES(i) {
00503 if (!ta.Intersects(i->location)) continue;
00504
00505 for (uint j = 0; j < lengthof(i->produced_cargo); j++) {
00506 CargoID cargo = i->produced_cargo[j];
00507 if (cargo != CT_INVALID) produced[cargo]++;
00508 }
00509 }
00510
00511 return produced;
00512 }
00513
00522 CargoArray GetAcceptanceAroundTiles(TileIndex tile, int w, int h, int rad, uint32 *always_accepted)
00523 {
00524 CargoArray acceptance;
00525 if (always_accepted != NULL) *always_accepted = 0;
00526
00527 int x = TileX(tile);
00528 int y = TileY(tile);
00529
00530
00531
00532 int x2 = min(x + w + rad, MapSizeX());
00533 int y2 = min(y + h + rad, MapSizeY());
00534 int x1 = max(x - rad, 0);
00535 int y1 = max(y - rad, 0);
00536
00537 assert(x1 < x2);
00538 assert(y1 < y2);
00539 assert(w > 0);
00540 assert(h > 0);
00541
00542 for (int yc = y1; yc != y2; yc++) {
00543 for (int xc = x1; xc != x2; xc++) {
00544 TileIndex tile = TileXY(xc, yc);
00545 AddAcceptedCargo(tile, acceptance, always_accepted);
00546 }
00547 }
00548
00549 return acceptance;
00550 }
00551
00556 void UpdateStationAcceptance(Station *st, bool show_msg)
00557 {
00558
00559 uint old_acc = GetAcceptanceMask(st);
00560
00561
00562 CargoArray acceptance;
00563 if (!st->rect.IsEmpty()) {
00564 acceptance = GetAcceptanceAroundTiles(
00565 TileXY(st->rect.left, st->rect.top),
00566 st->rect.right - st->rect.left + 1,
00567 st->rect.bottom - st->rect.top + 1,
00568 st->GetCatchmentRadius(),
00569 &st->always_accepted
00570 );
00571 }
00572
00573
00574 for (CargoID i = 0; i < NUM_CARGO; i++) {
00575 uint amt = min(acceptance[i], 15);
00576
00577
00578 bool is_passengers = IsCargoInClass(i, CC_PASSENGERS);
00579 if ((!is_passengers && !(st->facilities & ~FACIL_BUS_STOP)) ||
00580 (is_passengers && !(st->facilities & ~FACIL_TRUCK_STOP))) {
00581 amt = 0;
00582 }
00583
00584 SB(st->goods[i].acceptance_pickup, GoodsEntry::ACCEPTANCE, 1, amt >= 8);
00585 }
00586
00587
00588 uint new_acc = GetAcceptanceMask(st);
00589 if (old_acc == new_acc) return;
00590
00591
00592 if (show_msg && st->owner == _local_company && st->IsInUse()) {
00593
00594
00595 static const StringID accept_msg[] = {
00596 STR_NEWS_STATION_NOW_ACCEPTS_CARGO,
00597 STR_NEWS_STATION_NOW_ACCEPTS_CARGO_AND_CARGO,
00598 };
00599 static const StringID reject_msg[] = {
00600 STR_NEWS_STATION_NO_LONGER_ACCEPTS_CARGO,
00601 STR_NEWS_STATION_NO_LONGER_ACCEPTS_CARGO_OR_CARGO,
00602 };
00603
00604
00605 CargoID accepts[2] = { CT_INVALID, CT_INVALID };
00606 CargoID rejects[2] = { CT_INVALID, CT_INVALID };
00607 uint num_acc = 0;
00608 uint num_rej = 0;
00609
00610
00611 for (CargoID i = 0; i < NUM_CARGO; i++) {
00612 if (HasBit(new_acc, i)) {
00613 if (!HasBit(old_acc, i) && num_acc < lengthof(accepts)) {
00614
00615 accepts[num_acc++] = i;
00616 }
00617 } else {
00618 if (HasBit(old_acc, i) && num_rej < lengthof(rejects)) {
00619
00620 rejects[num_rej++] = i;
00621 }
00622 }
00623 }
00624
00625
00626 if (num_acc > 0) ShowRejectOrAcceptNews(st, num_acc, accepts, accept_msg[num_acc - 1]);
00627 if (num_rej > 0) ShowRejectOrAcceptNews(st, num_rej, rejects, reject_msg[num_rej - 1]);
00628 }
00629
00630
00631 SetWindowWidgetDirty(WC_STATION_VIEW, st->index, SVW_ACCEPTLIST);
00632 }
00633
00634 static void UpdateStationSignCoord(BaseStation *st)
00635 {
00636 const StationRect *r = &st->rect;
00637
00638 if (r->IsEmpty()) return;
00639
00640
00641 st->xy = TileXY(ClampU(TileX(st->xy), r->left, r->right), ClampU(TileY(st->xy), r->top, r->bottom));
00642 st->UpdateVirtCoord();
00643 }
00644
00650 static void DeleteStationIfEmpty(BaseStation *st)
00651 {
00652 if (!st->IsInUse()) {
00653 st->delete_ctr = 0;
00654 InvalidateWindowData(WC_STATION_LIST, st->owner, 0);
00655 }
00656
00657 UpdateStationSignCoord(st);
00658 }
00659
00660 CommandCost ClearTile_Station(TileIndex tile, DoCommandFlag flags);
00661
00673 CommandCost CheckFlatLandBelow(TileIndex tile, uint w, uint h, DoCommandFlag flags, uint invalid_dirs, StationID *station, bool check_clear = true, RailType rt = INVALID_RAILTYPE)
00674 {
00675 CommandCost cost(EXPENSES_CONSTRUCTION);
00676 int allowed_z = -1;
00677
00678 TILE_LOOP(tile_cur, w, h, tile) {
00679 if (MayHaveBridgeAbove(tile_cur) && IsBridgeAbove(tile_cur)) {
00680 return_cmd_error(STR_ERROR_MUST_DEMOLISH_BRIDGE_FIRST);
00681 }
00682
00683 if (!EnsureNoVehicleOnGround(tile_cur)) return CMD_ERROR;
00684
00685 uint z;
00686 Slope tileh = GetTileSlope(tile_cur, &z);
00687
00688
00689
00690
00691
00692 if (IsSteepSlope(tileh) ||
00693 ((!_settings_game.construction.build_on_slopes) && tileh != SLOPE_FLAT)) {
00694 return_cmd_error(STR_ERROR_FLAT_LAND_REQUIRED);
00695 }
00696
00697 int flat_z = z;
00698 if (tileh != SLOPE_FLAT) {
00699
00700
00701 if ((HasBit(invalid_dirs, DIAGDIR_NE) && !(tileh & SLOPE_NE)) ||
00702 (HasBit(invalid_dirs, DIAGDIR_SE) && !(tileh & SLOPE_SE)) ||
00703 (HasBit(invalid_dirs, DIAGDIR_SW) && !(tileh & SLOPE_SW)) ||
00704 (HasBit(invalid_dirs, DIAGDIR_NW) && !(tileh & SLOPE_NW))) {
00705 return_cmd_error(STR_ERROR_FLAT_LAND_REQUIRED);
00706 }
00707 cost.AddCost(_price[PR_BUILD_FOUNDATION]);
00708 flat_z += TILE_HEIGHT;
00709 }
00710
00711
00712 if (allowed_z == -1) {
00713
00714 allowed_z = flat_z;
00715 } else if (allowed_z != flat_z) {
00716 return_cmd_error(STR_ERROR_FLAT_LAND_REQUIRED);
00717 }
00718
00719
00720
00721
00722 if (station != NULL && IsTileType(tile_cur, MP_STATION)) {
00723 if (!IsRailStation(tile_cur)) {
00724 return ClearTile_Station(tile_cur, DC_AUTO);
00725 } else {
00726 StationID st = GetStationIndex(tile_cur);
00727 if (*station == INVALID_STATION) {
00728 *station = st;
00729 } else if (*station != st) {
00730 return_cmd_error(STR_ERROR_ADJOINS_MORE_THAN_ONE_EXISTING);
00731 }
00732 }
00733 } else if (check_clear) {
00734
00735
00736 if (rt != INVALID_RAILTYPE &&
00737 IsPlainRailTile(tile_cur) && !HasSignals(tile_cur) &&
00738 HasPowerOnRail(GetRailType(tile_cur), rt)) {
00739
00740
00741
00742
00743
00744
00745 TrackBits tracks = GetTrackBits(tile_cur);
00746 Track track = RemoveFirstTrack(&tracks);
00747 Track expected_track = HasBit(invalid_dirs, DIAGDIR_NE) ? TRACK_X : TRACK_Y;
00748
00749 if (tracks == TRACK_BIT_NONE && track == expected_track) {
00750 CommandCost ret = DoCommand(tile_cur, 0, track, flags, CMD_REMOVE_SINGLE_RAIL);
00751 if (ret.Failed()) return ret;
00752 cost.AddCost(ret);
00753
00754 continue;
00755 }
00756 }
00757 CommandCost ret = DoCommand(tile_cur, 0, 0, flags, CMD_LANDSCAPE_CLEAR);
00758 if (ret.Failed()) return ret;
00759 cost.AddCost(ret);
00760 }
00761 }
00762
00763 return cost;
00764 }
00765
00773 bool CanExpandRailStation(const BaseStation *st, TileArea &new_ta, Axis axis)
00774 {
00775 TileArea cur_ta = st->train_station;
00776
00777 if (_settings_game.station.nonuniform_stations) {
00778
00779 int x = min(TileX(cur_ta.tile), TileX(new_ta.tile));
00780 int y = min(TileY(cur_ta.tile), TileY(new_ta.tile));
00781 new_ta.w = max(TileX(cur_ta.tile) + cur_ta.w, TileX(new_ta.tile) + new_ta.w) - x;
00782 new_ta.h = max(TileY(cur_ta.tile) + cur_ta.h, TileY(new_ta.tile) + new_ta.h) - y;
00783 new_ta.tile = TileXY(x, y);
00784 } else {
00785
00786
00787 TILE_LOOP(t, cur_ta.w, cur_ta.h, cur_ta.tile) {
00788 if (!st->TileBelongsToRailStation(t)) {
00789 _error_message = STR_ERROR_NONUNIFORM_STATIONS_DISALLOWED;
00790 return false;
00791 }
00792 }
00793
00794
00795 if (GetRailStationAxis(cur_ta.tile) != axis) {
00796 _error_message = STR_ERROR_NONUNIFORM_STATIONS_DISALLOWED;
00797 return false;
00798 }
00799
00800
00801 if (cur_ta.w == new_ta.w && cur_ta.tile == new_ta.tile + TileDiffXY(0, new_ta.h)) {
00802
00803 new_ta.h += cur_ta.h;
00804 } else if (cur_ta.w == new_ta.w && cur_ta.tile == new_ta.tile - TileDiffXY(0, cur_ta.h)) {
00805
00806 new_ta.tile = cur_ta.tile;
00807 new_ta.h += new_ta.h;
00808 } else if (cur_ta.h == new_ta.h && cur_ta.tile == new_ta.tile + TileDiffXY(new_ta.w, 0)) {
00809
00810 new_ta.w += cur_ta.w;
00811 } else if (cur_ta.h == new_ta.h && cur_ta.tile == new_ta.tile - TileDiffXY(cur_ta.w, 0)) {
00812
00813 new_ta.tile = cur_ta.tile;
00814 new_ta.w += cur_ta.w;
00815 } else {
00816 _error_message = STR_ERROR_NONUNIFORM_STATIONS_DISALLOWED;
00817 return false;
00818 }
00819 }
00820
00821 if (new_ta.w > _settings_game.station.station_spread || new_ta.h > _settings_game.station.station_spread) {
00822 _error_message = STR_ERROR_STATION_TOO_SPREAD_OUT;
00823 return false;
00824 }
00825
00826 return true;
00827 }
00828
00829 static inline byte *CreateSingle(byte *layout, int n)
00830 {
00831 int i = n;
00832 do *layout++ = 0; while (--i);
00833 layout[((n - 1) >> 1) - n] = 2;
00834 return layout;
00835 }
00836
00837 static inline byte *CreateMulti(byte *layout, int n, byte b)
00838 {
00839 int i = n;
00840 do *layout++ = b; while (--i);
00841 if (n > 4) {
00842 layout[0 - n] = 0;
00843 layout[n - 1 - n] = 0;
00844 }
00845 return layout;
00846 }
00847
00848 void GetStationLayout(byte *layout, int numtracks, int plat_len, const StationSpec *statspec)
00849 {
00850 if (statspec != NULL && statspec->lengths >= plat_len &&
00851 statspec->platforms[plat_len - 1] >= numtracks &&
00852 statspec->layouts[plat_len - 1][numtracks - 1]) {
00853
00854 memcpy(layout, statspec->layouts[plat_len - 1][numtracks - 1],
00855 plat_len * numtracks);
00856 return;
00857 }
00858
00859 if (plat_len == 1) {
00860 CreateSingle(layout, numtracks);
00861 } else {
00862 if (numtracks & 1) layout = CreateSingle(layout, plat_len);
00863 numtracks >>= 1;
00864
00865 while (--numtracks >= 0) {
00866 layout = CreateMulti(layout, plat_len, 4);
00867 layout = CreateMulti(layout, plat_len, 6);
00868 }
00869 }
00870 }
00871
00883 template <class T, StringID error_message>
00884 CommandCost FindJoiningBaseStation(StationID existing_station, StationID station_to_join, bool adjacent, TileArea ta, T **st)
00885 {
00886 assert(*st == NULL);
00887 bool check_surrounding = true;
00888
00889 if (_settings_game.station.adjacent_stations) {
00890 if (existing_station != INVALID_STATION) {
00891 if (adjacent && existing_station != station_to_join) {
00892
00893
00894 return_cmd_error(error_message);
00895 } else {
00896
00897
00898 *st = T::GetIfValid(existing_station);
00899 check_surrounding = (*st == NULL);
00900 }
00901 } else {
00902
00903
00904 if (adjacent) check_surrounding = false;
00905 }
00906 }
00907
00908 if (check_surrounding) {
00909
00910 if (!GetStationAround(ta, existing_station, st)) return CMD_ERROR;
00911 }
00912
00913
00914 if (*st == NULL && station_to_join != INVALID_STATION) *st = T::GetIfValid(station_to_join);
00915
00916 return CommandCost();;
00917 }
00918
00928 static CommandCost FindJoiningStation(StationID existing_station, StationID station_to_join, bool adjacent, TileArea ta, Station **st)
00929 {
00930 return FindJoiningBaseStation<Station, STR_ERROR_MUST_REMOVE_RAILWAY_STATION_FIRST>(existing_station, station_to_join, adjacent, ta, st);
00931 }
00932
00942 CommandCost FindJoiningWaypoint(StationID existing_waypoint, StationID waypoint_to_join, bool adjacent, TileArea ta, Waypoint **wp)
00943 {
00944 return FindJoiningBaseStation<Waypoint, STR_ERROR_MUST_REMOVE_RAILWAYPOINT_FIRST>(existing_waypoint, waypoint_to_join, adjacent, ta, wp);
00945 }
00946
00964 CommandCost CmdBuildRailStation(TileIndex tile_org, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
00965 {
00966
00967 RailType rt = (RailType)GB(p1, 0, 4);
00968 Axis axis = Extract<Axis, 4>(p1);
00969 byte numtracks = GB(p1, 8, 8);
00970 byte plat_len = GB(p1, 16, 8);
00971 bool adjacent = HasBit(p1, 24);
00972
00973 StationClassID spec_class = (StationClassID)GB(p2, 0, 8);
00974 byte spec_index = GB(p2, 8, 8);
00975 StationID station_to_join = GB(p2, 16, 16);
00976
00977
00978 if (!CheckIfAuthorityAllowsNewStation(tile_org, flags)) return CMD_ERROR;
00979 if (!ValParamRailtype(rt)) return CMD_ERROR;
00980
00981
00982 if ((uint)spec_class >= GetNumStationClasses()) return CMD_ERROR;
00983 if (spec_index >= GetNumCustomStations(spec_class)) return CMD_ERROR;
00984 if (plat_len == 0 || numtracks == 0) return CMD_ERROR;
00985
00986 int w_org, h_org;
00987 if (axis == AXIS_X) {
00988 w_org = plat_len;
00989 h_org = numtracks;
00990 } else {
00991 h_org = plat_len;
00992 w_org = numtracks;
00993 }
00994
00995 bool reuse = (station_to_join != NEW_STATION);
00996 if (!reuse) station_to_join = INVALID_STATION;
00997 bool distant_join = (station_to_join != INVALID_STATION);
00998
00999 if (distant_join && (!_settings_game.station.distant_join_stations || !Station::IsValidID(station_to_join))) return CMD_ERROR;
01000
01001 if (h_org > _settings_game.station.station_spread || w_org > _settings_game.station.station_spread) return CMD_ERROR;
01002
01003
01004 TileArea new_location(tile_org, w_org, h_org);
01005
01006
01007 StationID est = INVALID_STATION;
01008
01009
01010
01011 CommandCost ret = CheckFlatLandBelow(tile_org, w_org, h_org, flags & ~DC_EXEC, 5 << axis, _settings_game.station.nonuniform_stations ? &est : NULL, true, rt);
01012 if (ret.Failed()) return ret;
01013 CommandCost cost(EXPENSES_CONSTRUCTION, ret.GetCost() + (numtracks * _price[PR_BUILD_STATION_RAIL] + _price[PR_BUILD_STATION_RAIL_LENGTH]) * plat_len);
01014
01015 Station *st = NULL;
01016 ret = FindJoiningStation(est, station_to_join, adjacent, new_location, &st);
01017 if (ret.Failed()) return ret;
01018
01019
01020 if (st == NULL && reuse) st = GetClosestDeletedStation(tile_org);
01021
01022 if (st != NULL) {
01023
01024 if (st->owner != _current_company)
01025 return_cmd_error(STR_ERROR_TOO_CLOSE_TO_ANOTHER_STATION);
01026
01027 if (st->train_station.tile != INVALID_TILE) {
01028
01029 if (!_settings_game.station.join_stations)
01030 return_cmd_error(STR_ERROR_TOO_CLOSE_TO_ANOTHER_RAILROAD);
01031 if (!CanExpandRailStation(st, new_location, axis))
01032 return CMD_ERROR;
01033 }
01034
01035
01036 if (!st->rect.BeforeAddRect(tile_org, w_org, h_org, StationRect::ADD_TEST)) return CMD_ERROR;
01037 } else {
01038
01039 if (!Station::CanAllocateItem()) return_cmd_error(STR_ERROR_TOO_MANY_STATIONS_LOADING);
01040
01041 if (flags & DC_EXEC) {
01042 st = new Station(tile_org);
01043
01044 st->town = ClosestTownFromTile(tile_org, UINT_MAX);
01045 st->string_id = GenerateStationName(st, tile_org, STATIONNAMING_RAIL);
01046
01047 if (Company::IsValidID(_current_company)) {
01048 SetBit(st->town->have_ratings, _current_company);
01049 }
01050 }
01051 }
01052
01053
01054 const StationSpec *statspec = GetCustomStationSpec(spec_class, spec_index);
01055 int specindex = AllocateSpecToStation(statspec, st, (flags & DC_EXEC) != 0);
01056 if (specindex == -1) return_cmd_error(STR_ERROR_TOO_MANY_STATION_SPECS);
01057
01058 if (statspec != NULL) {
01059
01060
01061
01062 if (HasBit(statspec->disallowed_platforms, numtracks - 1) || HasBit(statspec->disallowed_lengths, plat_len - 1)) {
01063 return CMD_ERROR;
01064 }
01065
01066
01067 if (HasBit(statspec->callback_mask, CBM_STATION_AVAIL) && GB(GetStationCallback(CBID_STATION_AVAILABILITY, 0, 0, statspec, NULL, INVALID_TILE), 0, 8) == 0) {
01068 return CMD_ERROR;
01069 }
01070 }
01071
01072 if (flags & DC_EXEC) {
01073 TileIndexDiff tile_delta;
01074 byte *layout_ptr;
01075 byte numtracks_orig;
01076 Track track;
01077
01078
01079
01080
01081 ret = CheckFlatLandBelow(tile_org, w_org, h_org, flags, 5 << axis, _settings_game.station.nonuniform_stations ? &est : NULL, true, rt);
01082 if (ret.Failed()) return ret;
01083
01084 st->train_station = new_location;
01085 st->AddFacility(FACIL_TRAIN, new_location.tile);
01086
01087 st->rect.BeforeAddRect(tile_org, w_org, h_org, StationRect::ADD_TRY);
01088
01089 if (statspec != NULL) {
01090
01091
01092 st->cached_anim_triggers |= statspec->anim_triggers;
01093 }
01094
01095 tile_delta = (axis == AXIS_X ? TileDiffXY(1, 0) : TileDiffXY(0, 1));
01096 track = AxisToTrack(axis);
01097
01098 layout_ptr = AllocaM(byte, numtracks * plat_len);
01099 GetStationLayout(layout_ptr, numtracks, plat_len, statspec);
01100
01101 numtracks_orig = numtracks;
01102
01103 SmallVector<Train*, 4> affected_vehicles;
01104 do {
01105 TileIndex tile = tile_org;
01106 int w = plat_len;
01107 do {
01108 byte layout = *layout_ptr++;
01109 if (IsRailStationTile(tile) && HasStationReservation(tile)) {
01110
01111 Train *v = GetTrainForReservation(tile, AxisToTrack(GetRailStationAxis(tile)));
01112 if (v != NULL) {
01113 FreeTrainTrackReservation(v);
01114 *affected_vehicles.Append() = v;
01115 if (IsRailStationTile(v->tile)) SetRailStationPlatformReservation(v->tile, TrackdirToExitdir(v->GetVehicleTrackdir()), false);
01116 for (; v->Next() != NULL; v = v->Next()) { }
01117 if (IsRailStationTile(v->tile)) SetRailStationPlatformReservation(v->tile, TrackdirToExitdir(ReverseTrackdir(v->GetVehicleTrackdir())), false);
01118 }
01119 }
01120
01121
01122 DeleteAnimatedTile(tile);
01123 byte old_specindex = IsTileType(tile, MP_STATION) ? GetCustomStationSpecIndex(tile) : 0;
01124 MakeRailStation(tile, st->owner, st->index, axis, layout & ~1, rt);
01125
01126 DeallocateSpecFromStation(st, old_specindex);
01127
01128 SetCustomStationSpecIndex(tile, specindex);
01129 SetStationTileRandomBits(tile, GB(Random(), 0, 4));
01130 SetStationAnimationFrame(tile, 0);
01131
01132 if (statspec != NULL) {
01133
01134 uint32 platinfo = GetPlatformInfo(AXIS_X, 0, plat_len, numtracks_orig, plat_len - w, numtracks_orig - numtracks, false);
01135
01136
01137 uint16 callback = GetStationCallback(CBID_STATION_TILE_LAYOUT, platinfo, 0, statspec, NULL, tile);
01138 if (callback != CALLBACK_FAILED && callback < 8) SetStationGfx(tile, (callback & ~1) + axis);
01139
01140
01141 StationAnimationTrigger(st, tile, STAT_ANIM_BUILT);
01142 }
01143
01144 tile += tile_delta;
01145 } while (--w);
01146 AddTrackToSignalBuffer(tile_org, track, _current_company);
01147 YapfNotifyTrackLayoutChange(tile_org, track);
01148 tile_org += tile_delta ^ TileDiffXY(1, 1);
01149 } while (--numtracks);
01150
01151 for (uint i = 0; i < affected_vehicles.Length(); ++i) {
01152
01153 Train *v = affected_vehicles[i];
01154 if (IsRailStationTile(v->tile)) SetRailStationPlatformReservation(v->tile, TrackdirToExitdir(v->GetVehicleTrackdir()), true);
01155 TryPathReserve(v, true, true);
01156 for (; v->Next() != NULL; v = v->Next()) { }
01157 if (IsRailStationTile(v->tile)) SetRailStationPlatformReservation(v->tile, TrackdirToExitdir(ReverseTrackdir(v->GetVehicleTrackdir())), true);
01158 }
01159
01160 st->MarkTilesDirty(false);
01161 st->UpdateVirtCoord();
01162 UpdateStationAcceptance(st, false);
01163 st->RecomputeIndustriesNear();
01164 InvalidateWindowData(WC_SELECT_STATION, 0, 0);
01165 InvalidateWindowData(WC_STATION_LIST, st->owner, 0);
01166 SetWindowWidgetDirty(WC_STATION_VIEW, st->index, SVW_TRAINS);
01167 }
01168
01169 return cost;
01170 }
01171
01172 static void MakeRailStationAreaSmaller(BaseStation *st)
01173 {
01174 TileArea ta = st->train_station;
01175
01176 restart:
01177
01178
01179 if (ta.w != 0 && ta.h != 0) {
01180
01181 for (uint i = 0; !st->TileBelongsToRailStation(ta.tile + TileDiffXY(0, i));) {
01182
01183 if (++i == ta.h) {
01184 ta.tile += TileDiffXY(1, 0);
01185 ta.w--;
01186 goto restart;
01187 }
01188 }
01189
01190
01191 for (uint i = 0; !st->TileBelongsToRailStation(ta.tile + TileDiffXY(ta.w - 1, i));) {
01192
01193 if (++i == ta.h) {
01194 ta.w--;
01195 goto restart;
01196 }
01197 }
01198
01199
01200 for (uint i = 0; !st->TileBelongsToRailStation(ta.tile + TileDiffXY(i, 0));) {
01201
01202 if (++i == ta.w) {
01203 ta.tile += TileDiffXY(0, 1);
01204 ta.h--;
01205 goto restart;
01206 }
01207 }
01208
01209
01210 for (uint i = 0; !st->TileBelongsToRailStation(ta.tile + TileDiffXY(i, ta.h - 1));) {
01211
01212 if (++i == ta.w) {
01213 ta.h--;
01214 goto restart;
01215 }
01216 }
01217 } else {
01218 ta.Clear();
01219 }
01220
01221 st->train_station = ta;
01222 }
01223
01234 template <class T>
01235 CommandCost RemoveFromRailBaseStation(TileArea ta, SmallVector<T *, 4> &affected_stations, DoCommandFlag flags, Money removal_cost, bool keep_rail)
01236 {
01237
01238 int quantity = 0;
01239 CommandCost total_cost(EXPENSES_CONSTRUCTION);
01240
01241
01242 TILE_AREA_LOOP(tile, ta) {
01243
01244 if (!HasStationTileRail(tile)) continue;
01245
01246
01247 if (!EnsureNoVehicleOnGround(tile)) continue;
01248
01249
01250 T *st = T::GetByTile(tile);
01251 if (st == NULL) continue;
01252 if (_current_company != OWNER_WATER && !CheckOwnership(st->owner)) continue;
01253
01254
01255
01256
01257 if (!_settings_game.station.nonuniform_stations) return_cmd_error(STR_ERROR_NONUNIFORM_STATIONS_DISALLOWED);
01258
01259
01260 quantity++;
01261
01262 if (flags & DC_EXEC) {
01263
01264 uint specindex = GetCustomStationSpecIndex(tile);
01265 Track track = GetRailStationTrack(tile);
01266 Owner owner = GetTileOwner(tile);
01267 RailType rt = GetRailType(tile);
01268 Train *v = NULL;
01269
01270 if (HasStationReservation(tile)) {
01271 v = GetTrainForReservation(tile, track);
01272 if (v != NULL) {
01273
01274 FreeTrainTrackReservation(v);
01275 if (IsRailStationTile(v->tile)) SetRailStationPlatformReservation(v->tile, TrackdirToExitdir(v->GetVehicleTrackdir()), false);
01276 Vehicle *temp = v;
01277 for (; temp->Next() != NULL; temp = temp->Next()) { }
01278 if (IsRailStationTile(temp->tile)) SetRailStationPlatformReservation(temp->tile, TrackdirToExitdir(ReverseTrackdir(temp->GetVehicleTrackdir())), false);
01279 }
01280 }
01281
01282 DoClearSquare(tile);
01283 if (keep_rail) MakeRailNormal(tile, owner, TrackToTrackBits(track), rt);
01284
01285 st->rect.AfterRemoveTile(st, tile);
01286 AddTrackToSignalBuffer(tile, track, owner);
01287 YapfNotifyTrackLayoutChange(tile, track);
01288
01289 DeallocateSpecFromStation(st, specindex);
01290
01291 affected_stations.Include(st);
01292
01293 if (v != NULL) {
01294
01295 if (IsRailStationTile(v->tile)) SetRailStationPlatformReservation(v->tile, TrackdirToExitdir(v->GetVehicleTrackdir()), true);
01296 TryPathReserve(v, true, true);
01297 for (; v->Next() != NULL; v = v->Next()) { }
01298 if (IsRailStationTile(v->tile)) SetRailStationPlatformReservation(v->tile, TrackdirToExitdir(ReverseTrackdir(v->GetVehicleTrackdir())), true);
01299 }
01300 }
01301 if (keep_rail) {
01302
01303 total_cost.AddCost(-_price[PR_CLEAR_RAIL]);
01304 }
01305 }
01306
01307 if (quantity == 0) return CMD_ERROR;
01308
01309 for (T **stp = affected_stations.Begin(); stp != affected_stations.End(); stp++) {
01310 T *st = *stp;
01311
01312
01313
01314
01315 MakeRailStationAreaSmaller(st);
01316 UpdateStationSignCoord(st);
01317
01318
01319 if (st->train_station.tile == INVALID_TILE) {
01320 st->facilities &= ~FACIL_TRAIN;
01321 SetWindowWidgetDirty(WC_STATION_VIEW, st->index, SVW_TRAINS);
01322 st->UpdateVirtCoord();
01323 DeleteStationIfEmpty(st);
01324 }
01325 }
01326
01327 total_cost.AddCost(quantity * removal_cost);
01328 return total_cost;
01329 }
01330
01341 CommandCost CmdRemoveFromRailStation(TileIndex start, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
01342 {
01343 TileIndex end = p1 == 0 ? start : p1;
01344 if (start >= MapSize() || end >= MapSize()) return CMD_ERROR;
01345
01346 TileArea ta(start, end);
01347 SmallVector<Station *, 4> affected_stations;
01348
01349 CommandCost ret = RemoveFromRailBaseStation(ta, affected_stations, flags, _price[PR_CLEAR_STATION_RAIL], HasBit(p2, 0));
01350 if (ret.Failed()) return ret;
01351
01352
01353 for (Station **stp = affected_stations.Begin(); stp != affected_stations.End(); stp++) {
01354 Station *st = *stp;
01355
01356 if (st->train_station.tile == INVALID_TILE) SetWindowWidgetDirty(WC_STATION_VIEW, st->index, SVW_TRAINS);
01357 st->MarkTilesDirty(false);
01358 st->RecomputeIndustriesNear();
01359 }
01360
01361
01362 return ret;
01363 }
01364
01375 CommandCost CmdRemoveFromRailWaypoint(TileIndex start, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
01376 {
01377 TileIndex end = p1 == 0 ? start : p1;
01378 if (start >= MapSize() || end >= MapSize()) return CMD_ERROR;
01379
01380 TileArea ta(start, end);
01381 SmallVector<Waypoint *, 4> affected_stations;
01382
01383 return RemoveFromRailBaseStation(ta, affected_stations, flags, _price[PR_CLEAR_WAYPOINT_RAIL], HasBit(p2, 0));
01384 }
01385
01386
01394 template <class T>
01395 CommandCost RemoveRailStation(T *st, DoCommandFlag flags)
01396 {
01397
01398 if (_current_company != OWNER_WATER && !CheckOwnership(st->owner)) return CMD_ERROR;
01399
01400
01401 TileArea ta = st->train_station;
01402
01403 assert(ta.w != 0 && ta.h != 0);
01404
01405 CommandCost cost(EXPENSES_CONSTRUCTION);
01406
01407 TILE_AREA_LOOP(tile, ta) {
01408
01409 if (!st->TileBelongsToRailStation(tile)) continue;
01410
01411 if (!EnsureNoVehicleOnGround(tile)) return CMD_ERROR;
01412
01413 cost.AddCost(_price[PR_CLEAR_STATION_RAIL]);
01414 if (flags & DC_EXEC) {
01415
01416 Track track = GetRailStationTrack(tile);
01417 Owner owner = GetTileOwner(tile);
01418 Train *v = NULL;
01419 if (HasStationReservation(tile)) {
01420 v = GetTrainForReservation(tile, track);
01421 if (v != NULL) FreeTrainTrackReservation(v);
01422 }
01423 DoClearSquare(tile);
01424 AddTrackToSignalBuffer(tile, track, owner);
01425 YapfNotifyTrackLayoutChange(tile, track);
01426 if (v != NULL) TryPathReserve(v, true);
01427 }
01428 }
01429
01430 if (flags & DC_EXEC) {
01431 st->rect.AfterRemoveRect(st, st->train_station.tile, st->train_station.w, st->train_station.h);
01432
01433 st->train_station.Clear();
01434
01435 st->facilities &= ~FACIL_TRAIN;
01436
01437 free(st->speclist);
01438 st->num_specs = 0;
01439 st->speclist = NULL;
01440 st->cached_anim_triggers = 0;
01441
01442 SetWindowWidgetDirty(WC_STATION_VIEW, st->index, SVW_TRAINS);
01443 st->UpdateVirtCoord();
01444 DeleteStationIfEmpty(st);
01445 }
01446
01447 return cost;
01448 }
01449
01456 static CommandCost RemoveRailStation(TileIndex tile, DoCommandFlag flags)
01457 {
01458
01459 if (_current_company == OWNER_WATER && _settings_game.station.nonuniform_stations) {
01460 return DoCommand(tile, 0, 0, DC_EXEC, CMD_REMOVE_FROM_RAIL_STATION);
01461 }
01462
01463 Station *st = Station::GetByTile(tile);
01464 CommandCost cost = RemoveRailStation(st, flags);
01465
01466 if (flags & DC_EXEC) st->RecomputeIndustriesNear();
01467
01468 return cost;
01469 }
01470
01477 static CommandCost RemoveRailWaypoint(TileIndex tile, DoCommandFlag flags)
01478 {
01479
01480 if (_current_company == OWNER_WATER && _settings_game.station.nonuniform_stations) {
01481 return DoCommand(tile, 0, 0, DC_EXEC, CMD_REMOVE_FROM_RAIL_WAYPOINT);
01482 }
01483
01484 return RemoveRailStation(Waypoint::GetByTile(tile), flags);
01485 }
01486
01487
01493 static RoadStop **FindRoadStopSpot(bool truck_station, Station *st)
01494 {
01495 RoadStop **primary_stop = (truck_station) ? &st->truck_stops : &st->bus_stops;
01496
01497 if (*primary_stop == NULL) {
01498
01499 return primary_stop;
01500 } else {
01501
01502 RoadStop *stop = *primary_stop;
01503 while (stop->next != NULL) stop = stop->next;
01504 return &stop->next;
01505 }
01506 }
01507
01520 CommandCost CmdBuildRoadStop(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
01521 {
01522 bool type = HasBit(p2, 0);
01523 bool is_drive_through = HasBit(p2, 1);
01524 bool build_over_road = is_drive_through && IsNormalRoadTile(tile);
01525 RoadTypes rts = (RoadTypes)GB(p2, 2, 2);
01526 StationID station_to_join = GB(p2, 16, 16);
01527 bool reuse = (station_to_join != NEW_STATION);
01528 if (!reuse) station_to_join = INVALID_STATION;
01529 bool distant_join = (station_to_join != INVALID_STATION);
01530 Owner tram_owner = _current_company;
01531 Owner road_owner = _current_company;
01532
01533 if (distant_join && (!_settings_game.station.distant_join_stations || !Station::IsValidID(station_to_join))) return CMD_ERROR;
01534
01535 if (!AreValidRoadTypes(rts) || !HasRoadTypesAvail(_current_company, rts)) return CMD_ERROR;
01536
01537
01538 if (!is_drive_through && HasBit(rts, ROADTYPE_TRAM)) return CMD_ERROR;
01539
01540
01541 if (!IsValidDiagDirection((DiagDirection)p1)) return CMD_ERROR;
01542
01543 if (is_drive_through && !IsValidAxis((Axis)p1)) return CMD_ERROR;
01544
01545 if (build_over_road && (GetAllRoadBits(tile) & ((Axis)p1 == AXIS_X ? ROAD_Y : ROAD_X)) != 0) return_cmd_error(STR_ERROR_DRIVE_THROUGH_DIRECTION);
01546
01547 if (!CheckIfAuthorityAllowsNewStation(tile, flags)) return CMD_ERROR;
01548
01549 RoadTypes cur_rts = IsNormalRoadTile(tile) ? GetRoadTypes(tile) : ROADTYPES_NONE;
01550 uint num_roadbits = 0;
01551
01552 if (build_over_road) {
01553
01554 if (HasBit(cur_rts, ROADTYPE_ROAD)) {
01555 road_owner = GetRoadOwner(tile, ROADTYPE_ROAD);
01556 if (road_owner == OWNER_TOWN) {
01557 if (!_settings_game.construction.road_stop_on_town_road) return_cmd_error(STR_ERROR_DRIVE_THROUGH_ON_TOWN_ROAD);
01558 } else if (!_settings_game.construction.road_stop_on_competitor_road && road_owner != OWNER_NONE && !CheckOwnership(road_owner)) {
01559 return CMD_ERROR;
01560 }
01561 num_roadbits += CountBits(GetRoadBits(tile, ROADTYPE_ROAD));
01562 }
01563
01564
01565 if (HasBit(cur_rts, ROADTYPE_TRAM)) {
01566 tram_owner = GetRoadOwner(tile, ROADTYPE_TRAM);
01567 if (!_settings_game.construction.road_stop_on_competitor_road && tram_owner != OWNER_NONE && !CheckOwnership(tram_owner)) {
01568 return CMD_ERROR;
01569 }
01570 num_roadbits += CountBits(GetRoadBits(tile, ROADTYPE_TRAM));
01571 }
01572
01573
01574 if (!EnsureNoVehicleOnGround(tile)) return CMD_ERROR;
01575
01576
01577 rts |= cur_rts;
01578 }
01579
01580 CommandCost cost = CheckFlatLandBelow(tile, 1, 1, flags, is_drive_through ? 5 << p1 : 1 << p1, NULL, !build_over_road);
01581 if (cost.Failed()) return cost;
01582 uint roadbits_to_build = CountBits(rts) * 2 - num_roadbits;
01583 cost.AddCost(_price[PR_BUILD_ROAD] * roadbits_to_build);
01584
01585 Station *st = NULL;
01586 CommandCost ret = FindJoiningStation(INVALID_STATION, station_to_join, HasBit(p2, 5), TileArea(tile, 1, 1), &st);
01587 if (ret.Failed()) return ret;
01588
01589
01590 if (st == NULL && reuse) st = GetClosestDeletedStation(tile);
01591
01592
01593 if (!RoadStop::CanAllocateItem()) return_cmd_error(type ? STR_ERROR_TOO_MANY_TRUCK_STOPS : STR_ERROR_TOO_MANY_BUS_STOPS);
01594
01595 if (st != NULL) {
01596 if (st->owner != _current_company) {
01597 return_cmd_error(STR_ERROR_TOO_CLOSE_TO_ANOTHER_STATION);
01598 }
01599
01600 if (!st->rect.BeforeAddTile(tile, StationRect::ADD_TEST)) return CMD_ERROR;
01601 } else {
01602
01603 if (!Station::CanAllocateItem()) return_cmd_error(STR_ERROR_TOO_MANY_STATIONS_LOADING);
01604
01605 if (flags & DC_EXEC) {
01606 st = new Station(tile);
01607
01608 st->town = ClosestTownFromTile(tile, UINT_MAX);
01609 st->string_id = GenerateStationName(st, tile, STATIONNAMING_ROAD);
01610
01611 if (Company::IsValidID(_current_company)) {
01612 SetBit(st->town->have_ratings, _current_company);
01613 }
01614 }
01615 }
01616
01617 cost.AddCost(_price[type ? PR_BUILD_STATION_TRUCK : PR_BUILD_STATION_BUS]);
01618
01619 if (flags & DC_EXEC) {
01620 RoadStop *road_stop = new RoadStop(tile);
01621
01622 RoadStop **currstop = FindRoadStopSpot(type, st);
01623 *currstop = road_stop;
01624
01625 if (type) {
01626 st->truck_station.Add(tile);
01627 } else {
01628 st->bus_station.Add(tile);
01629 }
01630
01631
01632 st->AddFacility((type) ? FACIL_TRUCK_STOP : FACIL_BUS_STOP, tile);
01633
01634 st->rect.BeforeAddTile(tile, StationRect::ADD_TRY);
01635
01636 RoadStopType rs_type = type ? ROADSTOP_TRUCK : ROADSTOP_BUS;
01637 if (is_drive_through) {
01638 MakeDriveThroughRoadStop(tile, st->owner, road_owner, tram_owner, st->index, rs_type, rts, (Axis)p1);
01639 road_stop->MakeDriveThrough();
01640 } else {
01641 MakeRoadStop(tile, st->owner, st->index, rs_type, rts, (DiagDirection)p1);
01642 }
01643
01644 st->UpdateVirtCoord();
01645 UpdateStationAcceptance(st, false);
01646 st->RecomputeIndustriesNear();
01647 InvalidateWindowData(WC_SELECT_STATION, 0, 0);
01648 InvalidateWindowData(WC_STATION_LIST, st->owner, 0);
01649 SetWindowWidgetDirty(WC_STATION_VIEW, st->index, SVW_ROADVEHS);
01650 }
01651 return cost;
01652 }
01653
01654
01655 static Vehicle *ClearRoadStopStatusEnum(Vehicle *v, void *)
01656 {
01657 if (v->type == VEH_ROAD) {
01658
01659
01660
01661
01662
01663
01664 RoadVehicle *rv = RoadVehicle::From(v);
01665 if (HasBit(rv->state, RVS_IN_DT_ROAD_STOP)) rv->state &= RVSB_ROAD_STOP_TRACKDIR_MASK;
01666 }
01667
01668 return NULL;
01669 }
01670
01671
01678 static CommandCost RemoveRoadStop(TileIndex tile, DoCommandFlag flags)
01679 {
01680 Station *st = Station::GetByTile(tile);
01681
01682 if (_current_company != OWNER_WATER && !CheckOwnership(st->owner)) {
01683 return CMD_ERROR;
01684 }
01685
01686 bool is_truck = IsTruckStop(tile);
01687
01688 RoadStop **primary_stop;
01689 RoadStop *cur_stop;
01690 if (is_truck) {
01691 primary_stop = &st->truck_stops;
01692 cur_stop = RoadStop::GetByTile(tile, ROADSTOP_TRUCK);
01693 } else {
01694 primary_stop = &st->bus_stops;
01695 cur_stop = RoadStop::GetByTile(tile, ROADSTOP_BUS);
01696 }
01697
01698 assert(cur_stop != NULL);
01699
01700
01701 if (IsDriveThroughStopTile(tile) && (flags & DC_BANKRUPT)) {
01702
01703 if (flags & DC_EXEC) FindVehicleOnPos(tile, NULL, &ClearRoadStopStatusEnum);
01704 } else {
01705 if (!EnsureNoVehicleOnGround(tile)) return CMD_ERROR;
01706 }
01707
01708 if (flags & DC_EXEC) {
01709 if (*primary_stop == cur_stop) {
01710
01711 *primary_stop = cur_stop->next;
01712
01713 if (*primary_stop == NULL) {
01714 st->facilities &= (is_truck ? ~FACIL_TRUCK_STOP : ~FACIL_BUS_STOP);
01715 }
01716 } else {
01717
01718 RoadStop *pred = *primary_stop;
01719 while (pred->next != cur_stop) pred = pred->next;
01720 pred->next = cur_stop->next;
01721 }
01722
01723 if (IsDriveThroughStopTile(tile)) {
01724
01725 cur_stop->ClearDriveThrough();
01726 } else {
01727 DoClearSquare(tile);
01728 }
01729
01730 SetWindowWidgetDirty(WC_STATION_VIEW, st->index, SVW_ROADVEHS);
01731 delete cur_stop;
01732
01733
01734 RoadVehicle *v;
01735 FOR_ALL_ROADVEHICLES(v) {
01736 if (v->First() == v && v->current_order.IsType(OT_GOTO_STATION) &&
01737 v->dest_tile == tile) {
01738 v->dest_tile = v->GetOrderStationLocation(st->index);
01739 }
01740 }
01741
01742 st->rect.AfterRemoveTile(st, tile);
01743
01744 st->UpdateVirtCoord();
01745 st->RecomputeIndustriesNear();
01746 DeleteStationIfEmpty(st);
01747
01748
01749 if (is_truck) {
01750 st->truck_station.Clear();
01751 for (const RoadStop *rs = st->truck_stops; rs != NULL; rs = rs->next) st->truck_station.Add(rs->xy);
01752 } else {
01753 st->bus_station.Clear();
01754 for (const RoadStop *rs = st->bus_stops; rs != NULL; rs = rs->next) st->bus_station.Add(rs->xy);
01755 }
01756 }
01757
01758 return CommandCost(EXPENSES_CONSTRUCTION, _price[is_truck ? PR_CLEAR_STATION_TRUCK : PR_CLEAR_STATION_BUS]);
01759 }
01760
01769 CommandCost CmdRemoveRoadStop(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
01770 {
01771
01772 if (!IsTileType(tile, MP_STATION) || !IsRoadStop(tile) || (uint32)GetRoadStopType(tile) != GB(p2, 0, 1)) return CMD_ERROR;
01773
01774
01775 bool is_drive_through = IsDriveThroughStopTile(tile);
01776 RoadTypes rts = GetRoadTypes(tile);
01777 RoadBits road_bits = IsDriveThroughStopTile(tile) ?
01778 ((GetRoadStopDir(tile) == DIAGDIR_NE) ? ROAD_X : ROAD_Y) :
01779 DiagDirToRoadBits(GetRoadStopDir(tile));
01780
01781 Owner road_owner = GetRoadOwner(tile, ROADTYPE_ROAD);
01782 Owner tram_owner = GetRoadOwner(tile, ROADTYPE_TRAM);
01783 CommandCost ret = RemoveRoadStop(tile, flags);
01784
01785
01786 if ((flags & DC_EXEC) && ret.Succeeded() && is_drive_through) {
01787
01788
01789
01790 MakeRoadNormal(tile, road_bits, rts, ClosestTownFromTile(tile, UINT_MAX)->index,
01791 road_owner, tram_owner);
01792 }
01793
01794 return ret;
01795 }
01796
01804 static uint GetMinimalAirportDistanceToTile(const AirportSpec *as, TileIndex town_tile, TileIndex airport_tile)
01805 {
01806 uint ttx = TileX(town_tile);
01807 uint tty = TileY(town_tile);
01808
01809 uint atx = TileX(airport_tile);
01810 uint aty = TileY(airport_tile);
01811
01812 uint btx = TileX(airport_tile) + as->size_x - 1;
01813 uint bty = TileY(airport_tile) + as->size_y - 1;
01814
01815
01816
01817
01818 uint dx = ttx < atx ? atx - ttx : (ttx <= btx ? 0 : ttx - btx);
01819 uint dy = tty < aty ? aty - tty : (tty <= bty ? 0 : tty - bty);
01820
01821 return dx + dy;
01822 }
01823
01832 uint8 GetAirportNoiseLevelForTown(const AirportSpec *as, TileIndex town_tile, TileIndex tile)
01833 {
01834
01835
01836 if (as->noise_level < 2) return as->noise_level;
01837
01838 uint distance = GetMinimalAirportDistanceToTile(as, town_tile, tile);
01839
01840
01841
01842
01843
01844 uint8 town_tolerance_distance = 8 + (_settings_game.difficulty.town_council_tolerance * 4);
01845
01846
01847
01848 uint noise_reduction = distance / town_tolerance_distance;
01849
01850
01851
01852 return noise_reduction >= as->noise_level ? 1 : as->noise_level - noise_reduction;
01853 }
01854
01862 Town *AirportGetNearestTown(const AirportSpec *as, TileIndex airport_tile)
01863 {
01864 Town *t, *nearest = NULL;
01865 uint add = as->size_x + as->size_y - 2;
01866 uint mindist = UINT_MAX - add;
01867 FOR_ALL_TOWNS(t) {
01868 if (DistanceManhattan(t->xy, airport_tile) < mindist + add) {
01869 uint dist = GetMinimalAirportDistanceToTile(as, t->xy, airport_tile);
01870 if (dist < mindist) {
01871 nearest = t;
01872 mindist = dist;
01873 }
01874 }
01875 }
01876
01877 return nearest;
01878 }
01879
01880
01882 void UpdateAirportsNoise()
01883 {
01884 Town *t;
01885 const Station *st;
01886
01887 FOR_ALL_TOWNS(t) t->noise_reached = 0;
01888
01889 FOR_ALL_STATIONS(st) {
01890 if (st->airport_tile != INVALID_TILE) {
01891 const AirportSpec *as = st->GetAirportSpec();
01892 Town *nearest = AirportGetNearestTown(as, st->airport_tile);
01893 nearest->noise_reached += GetAirportNoiseLevelForTown(as, nearest->xy, st->airport_tile);
01894 }
01895 }
01896 }
01897
01908 CommandCost CmdBuildAirport(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
01909 {
01910 bool airport_upgrade = true;
01911 StationID station_to_join = GB(p2, 16, 16);
01912 bool reuse = (station_to_join != NEW_STATION);
01913 if (!reuse) station_to_join = INVALID_STATION;
01914 bool distant_join = (station_to_join != INVALID_STATION);
01915
01916 if (distant_join && (!_settings_game.station.distant_join_stations || !Station::IsValidID(station_to_join))) return CMD_ERROR;
01917
01918 if (p1 >= NUM_AIRPORTS) return CMD_ERROR;
01919
01920 if (!CheckIfAuthorityAllowsNewStation(tile, flags)) {
01921 return CMD_ERROR;
01922 }
01923
01924
01925 const AirportSpec *as = AirportSpec::Get(p1);
01926 if (!as->IsAvailable()) return CMD_ERROR;
01927
01928 Town *t = ClosestTownFromTile(tile, UINT_MAX);
01929 int w = as->size_x;
01930 int h = as->size_y;
01931
01932 if (w > _settings_game.station.station_spread || h > _settings_game.station.station_spread) {
01933 _error_message = STR_ERROR_STATION_TOO_SPREAD_OUT;
01934 return CMD_ERROR;
01935 }
01936
01937 CommandCost cost = CheckFlatLandBelow(tile, w, h, flags, 0, NULL);
01938 if (cost.Failed()) return cost;
01939
01940
01941 Town *nearest = AirportGetNearestTown(as, tile);
01942 uint newnoise_level = GetAirportNoiseLevelForTown(as, nearest->xy, tile);
01943
01944
01945 StringID authority_refuse_message = STR_NULL;
01946
01947 if (_settings_game.economy.station_noise_level) {
01948
01949 if ((nearest->noise_reached + newnoise_level) > nearest->MaxTownNoise()) {
01950 authority_refuse_message = STR_ERROR_LOCAL_AUTHORITY_REFUSES_NOISE;
01951 }
01952 } else {
01953 uint num = 0;
01954 const Station *st;
01955 FOR_ALL_STATIONS(st) {
01956 if (st->town == t && (st->facilities & FACIL_AIRPORT) && st->airport_type != AT_OILRIG) num++;
01957 }
01958 if (num >= 2) {
01959 authority_refuse_message = STR_ERROR_LOCAL_AUTHORITY_REFUSES_AIRPORT;
01960 }
01961 }
01962
01963 if (authority_refuse_message != STR_NULL) {
01964 SetDParam(0, t->index);
01965 return_cmd_error(authority_refuse_message);
01966 }
01967
01968 Station *st = NULL;
01969 CommandCost ret = FindJoiningStation(INVALID_STATION, station_to_join, HasBit(p2, 0), TileArea(tile, w, h), &st);
01970 if (ret.Failed()) return ret;
01971
01972
01973 if (st == NULL && distant_join) st = Station::GetIfValid(station_to_join);
01974
01975
01976 if (st == NULL && reuse) st = GetClosestDeletedStation(tile);
01977
01978 if (st != NULL) {
01979 if (st->owner != _current_company) {
01980 return_cmd_error(STR_ERROR_TOO_CLOSE_TO_ANOTHER_STATION);
01981 }
01982
01983 if (!st->rect.BeforeAddRect(tile, w, h, StationRect::ADD_TEST)) return CMD_ERROR;
01984
01985 if (st->airport_tile != INVALID_TILE) {
01986 return_cmd_error(STR_ERROR_TOO_CLOSE_TO_ANOTHER_AIRPORT);
01987 }
01988 } else {
01989 airport_upgrade = false;
01990
01991
01992 if (!Station::CanAllocateItem()) return_cmd_error(STR_ERROR_TOO_MANY_STATIONS_LOADING);
01993
01994 if (flags & DC_EXEC) {
01995 st = new Station(tile);
01996
01997 st->town = t;
01998 st->string_id = GenerateStationName(st, tile, !(GetAirport(p1)->flags & AirportFTAClass::AIRPLANES) ? STATIONNAMING_HELIPORT : STATIONNAMING_AIRPORT);
01999
02000 if (Company::IsValidID(_current_company)) {
02001 SetBit(st->town->have_ratings, _current_company);
02002 }
02003 }
02004 }
02005
02006 cost.AddCost(_price[PR_BUILD_STATION_AIRPORT] * w * h);
02007
02008 if (flags & DC_EXEC) {
02009
02010 nearest->noise_reached += newnoise_level;
02011
02012 st->airport_tile = tile;
02013 st->AddFacility(FACIL_AIRPORT, tile);
02014 st->airport_type = (byte)p1;
02015 st->airport_flags = 0;
02016
02017 st->rect.BeforeAddRect(tile, w, h, StationRect::ADD_TRY);
02018
02019
02020
02021
02022
02023
02024
02025
02026 if (airport_upgrade) UpdateAirplanesOnNewStation(st);
02027
02028 const AirportTileTable *it = as->table[0];
02029 do {
02030 TileIndex cur_tile = tile + ToTileIndexDiff(it->ti);
02031 MakeAirport(cur_tile, st->owner, st->index, it->gfx);
02032 } while ((++it)->ti.x != -0x80);
02033
02034 st->UpdateVirtCoord();
02035 UpdateStationAcceptance(st, false);
02036 st->RecomputeIndustriesNear();
02037 InvalidateWindowData(WC_SELECT_STATION, 0, 0);
02038 InvalidateWindowData(WC_STATION_LIST, st->owner, 0);
02039 SetWindowWidgetDirty(WC_STATION_VIEW, st->index, SVW_PLANES);
02040
02041 if (_settings_game.economy.station_noise_level) {
02042 SetWindowDirty(WC_TOWN_VIEW, st->town->index);
02043 }
02044 }
02045
02046 return cost;
02047 }
02048
02055 static CommandCost RemoveAirport(TileIndex tile, DoCommandFlag flags)
02056 {
02057 Station *st = Station::GetByTile(tile);
02058
02059 if (_current_company != OWNER_WATER && !CheckOwnership(st->owner)) {
02060 return CMD_ERROR;
02061 }
02062
02063 tile = st->airport_tile;
02064
02065 const AirportSpec *as = st->GetAirportSpec();
02066 int w = as->size_x;
02067 int h = as->size_y;
02068
02069 CommandCost cost(EXPENSES_CONSTRUCTION);
02070
02071 const Aircraft *a;
02072 FOR_ALL_AIRCRAFT(a) {
02073 if (!a->IsNormalAircraft()) continue;
02074 if (a->targetairport == st->index && a->state != FLYING) return CMD_ERROR;
02075 }
02076
02077 TILE_LOOP(tile_cur, w, h, tile) {
02078 if (!EnsureNoVehicleOnGround(tile_cur)) return CMD_ERROR;
02079
02080 if (!st->TileBelongsToAirport(tile_cur)) continue;
02081
02082 cost.AddCost(_price[PR_CLEAR_STATION_AIRPORT]);
02083
02084 if (flags & DC_EXEC) {
02085 DeleteAnimatedTile(tile_cur);
02086 DoClearSquare(tile_cur);
02087 }
02088 }
02089
02090 if (flags & DC_EXEC) {
02091 for (uint i = 0; i < as->nof_depots; ++i) {
02092 DeleteWindowById(
02093 WC_VEHICLE_DEPOT, st->GetHangarTile(i)
02094 );
02095 }
02096
02097
02098
02099
02100 Town *nearest = AirportGetNearestTown(as, tile);
02101 nearest->noise_reached -= GetAirportNoiseLevelForTown(as, nearest->xy, tile);
02102
02103 st->rect.AfterRemoveRect(st, tile, w, h);
02104
02105 st->airport_tile = INVALID_TILE;
02106 st->facilities &= ~FACIL_AIRPORT;
02107
02108 SetWindowWidgetDirty(WC_STATION_VIEW, st->index, SVW_PLANES);
02109
02110 if (_settings_game.economy.station_noise_level) {
02111 SetWindowDirty(WC_TOWN_VIEW, st->town->index);
02112 }
02113
02114 st->UpdateVirtCoord();
02115 st->RecomputeIndustriesNear();
02116 DeleteStationIfEmpty(st);
02117 }
02118
02119 return cost;
02120 }
02121
02128 bool HasStationInUse(StationID station, CompanyID company)
02129 {
02130 const Vehicle *v;
02131 FOR_ALL_VEHICLES(v) {
02132 if (company == INVALID_COMPANY || v->owner == company) {
02133 const Order *order;
02134 FOR_VEHICLE_ORDERS(v, order) {
02135 if ((order->IsType(OT_GOTO_STATION) || order->IsType(OT_GOTO_WAYPOINT)) && order->GetDestination() == station) {
02136 return true;
02137 }
02138 }
02139 }
02140 }
02141 return false;
02142 }
02143
02144 static const TileIndexDiffC _dock_tileoffs_chkaround[] = {
02145 {-1, 0},
02146 { 0, 0},
02147 { 0, 0},
02148 { 0, -1}
02149 };
02150 static const byte _dock_w_chk[4] = { 2, 1, 2, 1 };
02151 static const byte _dock_h_chk[4] = { 1, 2, 1, 2 };
02152
02161 CommandCost CmdBuildDock(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
02162 {
02163 StationID station_to_join = GB(p2, 16, 16);
02164 bool reuse = (station_to_join != NEW_STATION);
02165 if (!reuse) station_to_join = INVALID_STATION;
02166 bool distant_join = (station_to_join != INVALID_STATION);
02167
02168 if (distant_join && (!_settings_game.station.distant_join_stations || !Station::IsValidID(station_to_join))) return CMD_ERROR;
02169
02170 DiagDirection direction = GetInclinedSlopeDirection(GetTileSlope(tile, NULL));
02171 if (direction == INVALID_DIAGDIR) return_cmd_error(STR_ERROR_SITE_UNSUITABLE);
02172 direction = ReverseDiagDir(direction);
02173
02174
02175 if (IsWaterTile(tile)) return_cmd_error(STR_ERROR_SITE_UNSUITABLE);
02176
02177 if (!CheckIfAuthorityAllowsNewStation(tile, flags)) return CMD_ERROR;
02178
02179 if (MayHaveBridgeAbove(tile) && IsBridgeAbove(tile)) return_cmd_error(STR_ERROR_MUST_DEMOLISH_BRIDGE_FIRST);
02180
02181 if (DoCommand(tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR).Failed()) return CMD_ERROR;
02182
02183 TileIndex tile_cur = tile + TileOffsByDiagDir(direction);
02184
02185 if (!IsTileType(tile_cur, MP_WATER) || GetTileSlope(tile_cur, NULL) != SLOPE_FLAT) {
02186 return_cmd_error(STR_ERROR_SITE_UNSUITABLE);
02187 }
02188
02189 if (MayHaveBridgeAbove(tile_cur) && IsBridgeAbove(tile_cur)) return_cmd_error(STR_ERROR_MUST_DEMOLISH_BRIDGE_FIRST);
02190
02191
02192 WaterClass wc = GetWaterClass(tile_cur);
02193
02194 if (DoCommand(tile_cur, 0, 0, flags, CMD_LANDSCAPE_CLEAR).Failed()) return CMD_ERROR;
02195
02196 tile_cur += TileOffsByDiagDir(direction);
02197 if (!IsTileType(tile_cur, MP_WATER) || GetTileSlope(tile_cur, NULL) != SLOPE_FLAT) {
02198 return_cmd_error(STR_ERROR_SITE_UNSUITABLE);
02199 }
02200
02201
02202 Station *st = NULL;
02203 CommandCost ret = FindJoiningStation(INVALID_STATION, station_to_join, HasBit(p1, 0),
02204 TileArea(tile + ToTileIndexDiff(_dock_tileoffs_chkaround[direction]),
02205 _dock_w_chk[direction], _dock_h_chk[direction]), &st);
02206 if (ret.Failed()) return ret;
02207
02208
02209 if (st == NULL && distant_join) st = Station::GetIfValid(station_to_join);
02210
02211
02212 if (st == NULL && reuse) st = GetClosestDeletedStation(tile);
02213
02214 if (st != NULL) {
02215 if (st->owner != _current_company) {
02216 return_cmd_error(STR_ERROR_TOO_CLOSE_TO_ANOTHER_STATION);
02217 }
02218
02219 if (!st->rect.BeforeAddRect(
02220 tile + ToTileIndexDiff(_dock_tileoffs_chkaround[direction]),
02221 _dock_w_chk[direction], _dock_h_chk[direction], StationRect::ADD_TEST)) return CMD_ERROR;
02222
02223 if (st->dock_tile != INVALID_TILE) return_cmd_error(STR_ERROR_TOO_CLOSE_TO_ANOTHER_DOCK);
02224 } else {
02225
02226 if (!Station::CanAllocateItem()) return_cmd_error(STR_ERROR_TOO_MANY_STATIONS_LOADING);
02227
02228 if (flags & DC_EXEC) {
02229 st = new Station(tile);
02230
02231 st->town = ClosestTownFromTile(tile, UINT_MAX);
02232 st->string_id = GenerateStationName(st, tile, STATIONNAMING_DOCK);
02233
02234 if (Company::IsValidID(_current_company)) {
02235 SetBit(st->town->have_ratings, _current_company);
02236 }
02237 }
02238 }
02239
02240 if (flags & DC_EXEC) {
02241 st->dock_tile = tile;
02242 st->AddFacility(FACIL_DOCK, tile);
02243
02244 st->rect.BeforeAddRect(
02245 tile + ToTileIndexDiff(_dock_tileoffs_chkaround[direction]),
02246 _dock_w_chk[direction], _dock_h_chk[direction], StationRect::ADD_TRY);
02247
02248 MakeDock(tile, st->owner, st->index, direction, wc);
02249
02250 st->UpdateVirtCoord();
02251 UpdateStationAcceptance(st, false);
02252 st->RecomputeIndustriesNear();
02253 InvalidateWindowData(WC_SELECT_STATION, 0, 0);
02254 InvalidateWindowData(WC_STATION_LIST, st->owner, 0);
02255 SetWindowWidgetDirty(WC_STATION_VIEW, st->index, SVW_SHIPS);
02256 }
02257
02258 return CommandCost(EXPENSES_CONSTRUCTION, _price[PR_BUILD_STATION_DOCK]);
02259 }
02260
02267 static CommandCost RemoveDock(TileIndex tile, DoCommandFlag flags)
02268 {
02269 Station *st = Station::GetByTile(tile);
02270 if (!CheckOwnership(st->owner)) return CMD_ERROR;
02271
02272 TileIndex tile1 = st->dock_tile;
02273 TileIndex tile2 = tile1 + TileOffsByDiagDir(GetDockDirection(tile1));
02274
02275 if (!EnsureNoVehicleOnGround(tile1)) return CMD_ERROR;
02276 if (!EnsureNoVehicleOnGround(tile2)) return CMD_ERROR;
02277
02278 if (flags & DC_EXEC) {
02279 DoClearSquare(tile1);
02280 MakeWaterKeepingClass(tile2, st->owner);
02281
02282 st->rect.AfterRemoveTile(st, tile1);
02283 st->rect.AfterRemoveTile(st, tile2);
02284
02285 MarkTileDirtyByTile(tile2);
02286
02287 st->dock_tile = INVALID_TILE;
02288 st->facilities &= ~FACIL_DOCK;
02289
02290 SetWindowWidgetDirty(WC_STATION_VIEW, st->index, SVW_SHIPS);
02291 st->UpdateVirtCoord();
02292 st->RecomputeIndustriesNear();
02293 DeleteStationIfEmpty(st);
02294 }
02295
02296 return CommandCost(EXPENSES_CONSTRUCTION, _price[PR_CLEAR_STATION_DOCK]);
02297 }
02298
02299 #include "table/station_land.h"
02300
02301 const DrawTileSprites *GetStationTileLayout(StationType st, byte gfx)
02302 {
02303 return &_station_display_datas[st][gfx];
02304 }
02305
02306 static void DrawTile_Station(TileInfo *ti)
02307 {
02308 const DrawTileSprites *t = NULL;
02309 RoadTypes roadtypes;
02310 int32 total_offset;
02311 int32 custom_ground_offset;
02312
02313 if (HasStationRail(ti->tile)) {
02314 const RailtypeInfo *rti = GetRailTypeInfo(GetRailType(ti->tile));
02315 roadtypes = ROADTYPES_NONE;
02316 total_offset = rti->total_offset;
02317 custom_ground_offset = rti->custom_ground_offset;
02318 } else {
02319 roadtypes = IsRoadStop(ti->tile) ? GetRoadTypes(ti->tile) : ROADTYPES_NONE;
02320 total_offset = 0;
02321 custom_ground_offset = 0;
02322 }
02323 uint32 relocation = 0;
02324 const BaseStation *st = NULL;
02325 const StationSpec *statspec = NULL;
02326 Owner owner = GetTileOwner(ti->tile);
02327
02328 SpriteID palette;
02329 if (Company::IsValidID(owner)) {
02330 palette = COMPANY_SPRITE_COLOUR(owner);
02331 } else {
02332
02333 palette = PALETTE_TO_GREY;
02334 }
02335
02336 if (IsCustomStationSpecIndex(ti->tile)) {
02337
02338 st = BaseStation::GetByTile(ti->tile);
02339 statspec = st->speclist[GetCustomStationSpecIndex(ti->tile)].spec;
02340
02341 if (statspec != NULL) {
02342 uint tile = GetStationGfx(ti->tile);
02343
02344 relocation = GetCustomStationRelocation(statspec, st, ti->tile);
02345
02346 if (HasBit(statspec->callback_mask, CBM_STATION_SPRITE_LAYOUT)) {
02347 uint16 callback = GetStationCallback(CBID_STATION_SPRITE_LAYOUT, 0, 0, statspec, st, ti->tile);
02348 if (callback != CALLBACK_FAILED) tile = (callback & ~1) + GetRailStationAxis(ti->tile);
02349 }
02350
02351
02352 if (statspec->renderdata != NULL) {
02353 t = &statspec->renderdata[tile < statspec->tiles ? tile : (uint)GetRailStationAxis(ti->tile)];
02354 }
02355 }
02356 }
02357
02358 if (t == NULL || t->seq == NULL) t = &_station_display_datas[GetStationType(ti->tile)][GetStationGfx(ti->tile)];
02359
02360
02361 if (ti->tileh != SLOPE_FLAT && !IsDock(ti->tile)) {
02362 if (statspec != NULL && HasBit(statspec->flags, SSF_CUSTOM_FOUNDATIONS)) {
02363
02364 SpriteID image = GetCustomStationFoundationRelocation(statspec, st, ti->tile);
02365
02366 if (HasBit(statspec->flags, SSF_EXTENDED_FOUNDATIONS)) {
02367
02368
02369 static const uint8 foundation_parts[] = {
02370 0, 0, 0, 0,
02371 0, 1, 2, 3,
02372 0, 4, 5, 6,
02373 7, 8, 9
02374 };
02375
02376 AddSortableSpriteToDraw(image + foundation_parts[ti->tileh], PAL_NONE, ti->x, ti->y, 16, 16, 7, ti->z);
02377 } else {
02378
02379
02380
02381
02382 static const uint8 composite_foundation_parts[] = {
02383
02384 0x00, 0xD1, 0xE4, 0xE0,
02385
02386 0xCA, 0xC9, 0xC4, 0xC0,
02387
02388 0xD2, 0x91, 0xE4, 0xA0,
02389
02390 0x4A, 0x09, 0x44
02391 };
02392
02393 uint8 parts = composite_foundation_parts[ti->tileh];
02394
02395
02396
02397 uint z;
02398 Slope slope = GetFoundationSlope(ti->tile, &z);
02399 if (!HasFoundationNW(ti->tile, slope, z)) ClrBit(parts, 6);
02400 if (!HasFoundationNE(ti->tile, slope, z)) ClrBit(parts, 7);
02401
02402 StartSpriteCombine();
02403 for (int i = 0; i < 8; i++) {
02404 if (HasBit(parts, i)) {
02405 AddSortableSpriteToDraw(image + i, PAL_NONE, ti->x, ti->y, 16, 16, 7, ti->z);
02406 }
02407 }
02408 EndSpriteCombine();
02409 }
02410
02411 OffsetGroundSprite(31, 1);
02412 ti->z += ApplyFoundationToSlope(FOUNDATION_LEVELED, &ti->tileh);
02413 } else {
02414 DrawFoundation(ti, FOUNDATION_LEVELED);
02415 }
02416 }
02417
02418 if (IsBuoy(ti->tile) || IsDock(ti->tile) || (IsOilRig(ti->tile) && GetWaterClass(ti->tile) != WATER_CLASS_INVALID)) {
02419 if (ti->tileh == SLOPE_FLAT) {
02420 DrawWaterClassGround(ti);
02421 } else {
02422 assert(IsDock(ti->tile));
02423 TileIndex water_tile = ti->tile + TileOffsByDiagDir(GetDockDirection(ti->tile));
02424 WaterClass wc = GetWaterClass(water_tile);
02425 if (wc == WATER_CLASS_SEA) {
02426 DrawShoreTile(ti->tileh);
02427 } else {
02428 DrawClearLandTile(ti, 3);
02429 }
02430 }
02431 } else {
02432 SpriteID image = t->ground.sprite;
02433 SpriteID pal = t->ground.pal;
02434 if (HasBit(image, SPRITE_MODIFIER_CUSTOM_SPRITE)) {
02435 image += GetCustomStationGroundRelocation(statspec, st, ti->tile);
02436 image += custom_ground_offset;
02437 } else {
02438 image += total_offset;
02439 }
02440 DrawGroundSprite(image, GroundSpritePaletteTransform(image, pal, palette));
02441
02442
02443 if (_game_mode != GM_MENU && _settings_client.gui.show_track_reservation && HasStationRail(ti->tile) && HasStationReservation(ti->tile)) {
02444 const RailtypeInfo *rti = GetRailTypeInfo(GetRailType(ti->tile));
02445 DrawGroundSprite(GetRailStationAxis(ti->tile) == AXIS_X ? rti->base_sprites.single_x : rti->base_sprites.single_y, PALETTE_CRASH);
02446 }
02447 }
02448
02449 if (HasStationRail(ti->tile) && HasCatenaryDrawn(GetRailType(ti->tile)) && IsStationTileElectrifiable(ti->tile)) DrawCatenary(ti);
02450
02451 if (HasBit(roadtypes, ROADTYPE_TRAM)) {
02452 Axis axis = GetRoadStopDir(ti->tile) == DIAGDIR_NE ? AXIS_X : AXIS_Y;
02453 DrawGroundSprite((HasBit(roadtypes, ROADTYPE_ROAD) ? SPR_TRAMWAY_OVERLAY : SPR_TRAMWAY_TRAM) + (axis ^ 1), PAL_NONE);
02454 DrawTramCatenary(ti, axis == AXIS_X ? ROAD_X : ROAD_Y);
02455 }
02456
02457 if (IsRailWaypoint(ti->tile)) {
02458
02459 total_offset = 0;
02460 }
02461
02462 DrawRailTileSeq(ti, t, TO_BUILDINGS, total_offset, relocation, palette);
02463 }
02464
02465 void StationPickerDrawSprite(int x, int y, StationType st, RailType railtype, RoadType roadtype, int image)
02466 {
02467 int32 total_offset = 0;
02468 SpriteID pal = COMPANY_SPRITE_COLOUR(_local_company);
02469 const DrawTileSprites *t = &_station_display_datas[st][image];
02470
02471 if (railtype != INVALID_RAILTYPE) {
02472 const RailtypeInfo *rti = GetRailTypeInfo(railtype);
02473 total_offset = rti->total_offset;
02474 }
02475
02476 SpriteID img = t->ground.sprite;
02477 DrawSprite(img + total_offset, HasBit(img, PALETTE_MODIFIER_COLOUR) ? pal : PAL_NONE, x, y);
02478
02479 if (roadtype == ROADTYPE_TRAM) {
02480 DrawSprite(SPR_TRAMWAY_TRAM + (t->ground.sprite == SPR_ROAD_PAVED_STRAIGHT_X ? 1 : 0), PAL_NONE, x, y);
02481 }
02482
02483
02484 DrawRailTileSeqInGUI(x, y, t, st == STATION_WAYPOINT ? 0 : total_offset, 0, pal);
02485 }
02486
02487 static uint GetSlopeZ_Station(TileIndex tile, uint x, uint y)
02488 {
02489 return GetTileMaxZ(tile);
02490 }
02491
02492 static Foundation GetFoundation_Station(TileIndex tile, Slope tileh)
02493 {
02494 return FlatteningFoundation(tileh);
02495 }
02496
02497 static void GetTileDesc_Station(TileIndex tile, TileDesc *td)
02498 {
02499 td->owner[0] = GetTileOwner(tile);
02500 if (IsDriveThroughStopTile(tile)) {
02501 Owner road_owner = INVALID_OWNER;
02502 Owner tram_owner = INVALID_OWNER;
02503 RoadTypes rts = GetRoadTypes(tile);
02504 if (HasBit(rts, ROADTYPE_ROAD)) road_owner = GetRoadOwner(tile, ROADTYPE_ROAD);
02505 if (HasBit(rts, ROADTYPE_TRAM)) tram_owner = GetRoadOwner(tile, ROADTYPE_TRAM);
02506
02507
02508 if ((tram_owner != INVALID_OWNER && tram_owner != td->owner[0]) ||
02509 (road_owner != INVALID_OWNER && road_owner != td->owner[0])) {
02510 uint i = 1;
02511 if (road_owner != INVALID_OWNER) {
02512 td->owner_type[i] = STR_LAND_AREA_INFORMATION_ROAD_OWNER;
02513 td->owner[i] = road_owner;
02514 i++;
02515 }
02516 if (tram_owner != INVALID_OWNER) {
02517 td->owner_type[i] = STR_LAND_AREA_INFORMATION_TRAM_OWNER;
02518 td->owner[i] = tram_owner;
02519 }
02520 }
02521 }
02522 td->build_date = BaseStation::GetByTile(tile)->build_date;
02523
02524 const StationSpec *spec = GetStationSpec(tile);
02525
02526 if (spec != NULL) {
02527 td->station_class = GetStationClassName(spec->sclass);
02528 td->station_name = spec->name;
02529
02530 if (spec->grffile != NULL) {
02531 const GRFConfig *gc = GetGRFConfig(spec->grffile->grfid);
02532 td->grf = gc->name;
02533 }
02534 }
02535
02536 StringID str;
02537 switch (GetStationType(tile)) {
02538 default: NOT_REACHED();
02539 case STATION_RAIL: str = STR_LAI_STATION_DESCRIPTION_RAILROAD_STATION; break;
02540 case STATION_AIRPORT:
02541 str = (IsHangar(tile) ? STR_LAI_STATION_DESCRIPTION_AIRCRAFT_HANGAR : STR_LAI_STATION_DESCRIPTION_AIRPORT);
02542 break;
02543 case STATION_TRUCK: str = STR_LAI_STATION_DESCRIPTION_TRUCK_LOADING_AREA; break;
02544 case STATION_BUS: str = STR_LAI_STATION_DESCRIPTION_BUS_STATION; break;
02545 case STATION_OILRIG: str = STR_INDUSTRY_NAME_OIL_RIG; break;
02546 case STATION_DOCK: str = STR_LAI_STATION_DESCRIPTION_SHIP_DOCK; break;
02547 case STATION_BUOY: str = STR_LAI_STATION_DESCRIPTION_BUOY; break;
02548 case STATION_WAYPOINT: str = STR_LAI_STATION_DESCRIPTION_WAYPOINT; break;
02549 }
02550 td->str = str;
02551 }
02552
02553
02554 static TrackStatus GetTileTrackStatus_Station(TileIndex tile, TransportType mode, uint sub_mode, DiagDirection side)
02555 {
02556 TrackBits trackbits = TRACK_BIT_NONE;
02557
02558 switch (mode) {
02559 case TRANSPORT_RAIL:
02560 if (HasStationRail(tile) && !IsStationTileBlocked(tile)) {
02561 trackbits = TrackToTrackBits(GetRailStationTrack(tile));
02562 }
02563 break;
02564
02565 case TRANSPORT_WATER:
02566
02567 if (IsBuoy(tile)) {
02568 trackbits = TRACK_BIT_ALL;
02569
02570 if (TileX(tile) == 0) trackbits &= ~(TRACK_BIT_X | TRACK_BIT_UPPER | TRACK_BIT_RIGHT);
02571
02572 if (TileY(tile) == 0) trackbits &= ~(TRACK_BIT_Y | TRACK_BIT_LEFT | TRACK_BIT_UPPER);
02573 }
02574 break;
02575
02576 case TRANSPORT_ROAD:
02577 if ((GetRoadTypes(tile) & sub_mode) != 0 && IsRoadStop(tile)) {
02578 DiagDirection dir = GetRoadStopDir(tile);
02579 Axis axis = DiagDirToAxis(dir);
02580
02581 if (side != INVALID_DIAGDIR) {
02582 if (axis != DiagDirToAxis(side) || (IsStandardRoadStopTile(tile) && dir != side)) break;
02583 }
02584
02585 trackbits = AxisToTrackBits(axis);
02586 }
02587 break;
02588
02589 default:
02590 break;
02591 }
02592
02593 return CombineTrackStatus(TrackBitsToTrackdirBits(trackbits), TRACKDIR_BIT_NONE);
02594 }
02595
02596
02597 static void TileLoop_Station(TileIndex tile)
02598 {
02599
02600
02601 switch (GetStationType(tile)) {
02602 case STATION_AIRPORT:
02603 if (AirportTileSpec::Get(GetStationGfx(tile))->anim_next != AIRPORTTILE_NOANIM) {
02604 AddAnimatedTile(tile);
02605 }
02606 break;
02607
02608 case STATION_DOCK:
02609 if (GetTileSlope(tile, NULL) != SLOPE_FLAT) break;
02610
02611 case STATION_OILRIG:
02612 case STATION_BUOY:
02613 TileLoop_Water(tile);
02614 break;
02615
02616 default: break;
02617 }
02618 }
02619
02620
02621 static void AnimateTile_Station(TileIndex tile)
02622 {
02623 if (HasStationRail(tile)) {
02624 AnimateStationTile(tile);
02625 return;
02626 }
02627
02628 if (IsAirport(tile)) {
02629 const AirportTileSpec *ats = AirportTileSpec::Get(GetStationGfx(tile));
02630 uint16 mask = (1 << ats->animation_speed) - 1;
02631 if (ats->anim_next != AIRPORTTILE_NOANIM && (_tick_counter & mask) == 0) {
02632 SetStationGfx(tile, ats->anim_next);
02633 MarkTileDirtyByTile(tile);
02634 }
02635 }
02636 }
02637
02638
02639 static bool ClickTile_Station(TileIndex tile)
02640 {
02641 const BaseStation *st = BaseStation::GetByTile(tile);
02642
02643 if (st->facilities & FACIL_WAYPOINT) {
02644 ShowWaypointWindow(Waypoint::From(st));
02645 } else if (IsHangar(tile)) {
02646 ShowDepotWindow(tile, VEH_AIRCRAFT);
02647 } else {
02648 ShowStationViewWindow(st->index);
02649 }
02650 return true;
02651 }
02652
02653 static VehicleEnterTileStatus VehicleEnter_Station(Vehicle *v, TileIndex tile, int x, int y)
02654 {
02655 if (v->type == VEH_TRAIN) {
02656 StationID station_id = GetStationIndex(tile);
02657 if (!v->current_order.ShouldStopAtStation(v, station_id)) return VETSB_CONTINUE;
02658 if (!IsRailStation(tile) || !Train::From(v)->IsFrontEngine()) return VETSB_CONTINUE;
02659
02660 int station_ahead;
02661 int station_length;
02662 int stop = GetTrainStopLocation(station_id, tile, Train::From(v), &station_ahead, &station_length);
02663
02664
02665
02666
02667
02668 if (!IsInsideBS(stop + station_ahead, station_length, TILE_SIZE)) return VETSB_CONTINUE;
02669
02670 DiagDirection dir = DirToDiagDir(v->direction);
02671
02672 x &= 0xF;
02673 y &= 0xF;
02674
02675 if (DiagDirToAxis(dir) != AXIS_X) Swap(x, y);
02676 if (y == TILE_SIZE / 2) {
02677 if (dir != DIAGDIR_SE && dir != DIAGDIR_SW) x = TILE_SIZE - 1 - x;
02678 stop &= TILE_SIZE - 1;
02679
02680 if (x == stop) return VETSB_ENTERED_STATION | (VehicleEnterTileStatus)(station_id << VETS_STATION_ID_OFFSET);
02681 if (x < stop) {
02682 uint16 spd;
02683
02684 v->vehstatus |= VS_TRAIN_SLOWING;
02685 spd = max(0, (stop - x) * 20 - 15);
02686 if (spd < v->cur_speed) v->cur_speed = spd;
02687 }
02688 }
02689 } else if (v->type == VEH_ROAD) {
02690 RoadVehicle *rv = RoadVehicle::From(v);
02691 if (rv->state < RVSB_IN_ROAD_STOP && !IsReversingRoadTrackdir((Trackdir)rv->state) && rv->frame == 0) {
02692 if (IsRoadStop(tile) && rv->IsRoadVehFront()) {
02693
02694 return RoadStop::GetByTile(tile, GetRoadStopType(tile))->Enter(rv) ? VETSB_CONTINUE : VETSB_CANNOT_ENTER;
02695 }
02696 }
02697 }
02698
02699 return VETSB_CONTINUE;
02700 }
02701
02708 static bool StationHandleBigTick(BaseStation *st)
02709 {
02710 if (!st->IsInUse() && ++st->delete_ctr >= 8) {
02711 delete st;
02712 return false;
02713 }
02714
02715 if ((st->facilities & FACIL_WAYPOINT) == 0) UpdateStationAcceptance(Station::From(st), true);
02716
02717 return true;
02718 }
02719
02720 static inline void byte_inc_sat(byte *p)
02721 {
02722 byte b = *p + 1;
02723 if (b != 0) *p = b;
02724 }
02725
02726 static void UpdateStationRating(Station *st)
02727 {
02728 bool waiting_changed = false;
02729
02730 byte_inc_sat(&st->time_since_load);
02731 byte_inc_sat(&st->time_since_unload);
02732
02733 const CargoSpec *cs;
02734 FOR_ALL_CARGOSPECS(cs) {
02735 GoodsEntry *ge = &st->goods[cs->Index()];
02736
02737
02738
02739 if (!HasBit(ge->acceptance_pickup, GoodsEntry::PICKUP) && ge->rating < INITIAL_STATION_RATING) {
02740 ge->rating++;
02741 }
02742
02743
02744 if (HasBit(ge->acceptance_pickup, GoodsEntry::PICKUP)) {
02745 byte_inc_sat(&ge->days_since_pickup);
02746
02747 bool skip = false;
02748 int rating = 0;
02749 uint waiting = ge->cargo.Count();
02750
02751 if (HasBit(cs->callback_mask, CBM_CARGO_STATION_RATING_CALC)) {
02752
02753
02754
02755
02756 uint last_speed = ge->last_speed;
02757 if (last_speed == 0) last_speed = 0xFF;
02758
02759 uint32 var18 = min(ge->days_since_pickup, 0xFF) | (min(waiting, 0xFFFF) << 8) | (min(last_speed, 0xFF) << 24);
02760
02761 uint32 var10 = (st->last_vehicle_type == VEH_INVALID) ? 0x0 : (st->last_vehicle_type + 0x10);
02762 uint16 callback = GetCargoCallback(CBID_CARGO_STATION_RATING_CALC, var10, var18, cs);
02763 if (callback != CALLBACK_FAILED) {
02764 skip = true;
02765 rating = GB(callback, 0, 14);
02766
02767
02768 if (HasBit(callback, 14)) rating -= 0x4000;
02769 }
02770 }
02771
02772 if (!skip) {
02773 int b = ge->last_speed - 85;
02774 if (b >= 0) rating += b >> 2;
02775
02776 byte days = ge->days_since_pickup;
02777 if (st->last_vehicle_type == VEH_SHIP) days >>= 2;
02778 (days > 21) ||
02779 (rating += 25, days > 12) ||
02780 (rating += 25, days > 6) ||
02781 (rating += 45, days > 3) ||
02782 (rating += 35, true);
02783
02784 (rating -= 90, waiting > 1500) ||
02785 (rating += 55, waiting > 1000) ||
02786 (rating += 35, waiting > 600) ||
02787 (rating += 10, waiting > 300) ||
02788 (rating += 20, waiting > 100) ||
02789 (rating += 10, true);
02790 }
02791
02792 if (Company::IsValidID(st->owner) && HasBit(st->town->statues, st->owner)) rating += 26;
02793
02794 byte age = ge->last_age;
02795 (age >= 3) ||
02796 (rating += 10, age >= 2) ||
02797 (rating += 10, age >= 1) ||
02798 (rating += 13, true);
02799
02800 {
02801 int or_ = ge->rating;
02802
02803
02804 ge->rating = rating = or_ + Clamp(Clamp(rating, 0, 255) - or_, -2, 2);
02805
02806
02807
02808 if (rating <= 64 && waiting >= 200) {
02809 int dec = Random() & 0x1F;
02810 if (waiting < 400) dec &= 7;
02811 waiting -= dec + 1;
02812 waiting_changed = true;
02813 }
02814
02815
02816 if (rating <= 127 && waiting != 0) {
02817 uint32 r = Random();
02818 if (rating <= (int)GB(r, 0, 7)) {
02819
02820 waiting = max((int)waiting - (int)GB(r, 8, 2) - 1, 0);
02821 waiting_changed = true;
02822 }
02823 }
02824
02825
02826
02827
02828 static const uint WAITING_CARGO_THRESHOLD = 1 << 12;
02829 static const uint WAITING_CARGO_CUT_FACTOR = 1 << 6;
02830 static const uint MAX_WAITING_CARGO = 1 << 15;
02831
02832 if (waiting > WAITING_CARGO_THRESHOLD) {
02833 uint difference = waiting - WAITING_CARGO_THRESHOLD;
02834 waiting -= (difference / WAITING_CARGO_CUT_FACTOR);
02835
02836 waiting = min(waiting, MAX_WAITING_CARGO);
02837 waiting_changed = true;
02838 }
02839
02840 if (waiting_changed) ge->cargo.Truncate(waiting);
02841 }
02842 }
02843 }
02844
02845 StationID index = st->index;
02846 if (waiting_changed) {
02847 SetWindowDirty(WC_STATION_VIEW, index);
02848 } else {
02849 SetWindowWidgetDirty(WC_STATION_VIEW, index, SVW_RATINGLIST);
02850 }
02851 }
02852
02853
02854 static void StationHandleSmallTick(BaseStation *st)
02855 {
02856 if ((st->facilities & FACIL_WAYPOINT) != 0 || !st->IsInUse()) return;
02857
02858 byte b = st->delete_ctr + 1;
02859 if (b >= 185) b = 0;
02860 st->delete_ctr = b;
02861
02862 if (b == 0) UpdateStationRating(Station::From(st));
02863 }
02864
02865 void OnTick_Station()
02866 {
02867 if (_game_mode == GM_EDITOR) return;
02868
02869 BaseStation *st;
02870 FOR_ALL_BASE_STATIONS(st) {
02871 StationHandleSmallTick(st);
02872
02873
02874
02875
02876 if ((_tick_counter + st->index) % 250 == 0) {
02877
02878 if (!StationHandleBigTick(st)) continue;
02879 StationAnimationTrigger(st, st->xy, STAT_ANIM_250_TICKS);
02880 }
02881 }
02882 }
02883
02884 void StationMonthlyLoop()
02885 {
02886
02887 }
02888
02889
02890 void ModifyStationRatingAround(TileIndex tile, Owner owner, int amount, uint radius)
02891 {
02892 Station *st;
02893
02894 FOR_ALL_STATIONS(st) {
02895 if (st->owner == owner &&
02896 DistanceManhattan(tile, st->xy) <= radius) {
02897 for (CargoID i = 0; i < NUM_CARGO; i++) {
02898 GoodsEntry *ge = &st->goods[i];
02899
02900 if (ge->acceptance_pickup != 0) {
02901 ge->rating = Clamp(ge->rating + amount, 0, 255);
02902 }
02903 }
02904 }
02905 }
02906 }
02907
02908 static void UpdateStationWaiting(Station *st, CargoID type, uint amount, SourceType source_type, SourceID source_id)
02909 {
02910 st->goods[type].cargo.Append(new CargoPacket(st->index, st->xy, amount, source_type, source_id));
02911 SetBit(st->goods[type].acceptance_pickup, GoodsEntry::PICKUP);
02912
02913 StationAnimationTrigger(st, st->xy, STAT_ANIM_NEW_CARGO, type);
02914
02915 SetWindowDirty(WC_STATION_VIEW, st->index);
02916 st->MarkTilesDirty(true);
02917 }
02918
02919 static bool IsUniqueStationName(const char *name)
02920 {
02921 const Station *st;
02922
02923 FOR_ALL_STATIONS(st) {
02924 if (st->name != NULL && strcmp(st->name, name) == 0) return false;
02925 }
02926
02927 return true;
02928 }
02929
02938 CommandCost CmdRenameStation(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
02939 {
02940 Station *st = Station::GetIfValid(p1);
02941 if (st == NULL || !CheckOwnership(st->owner)) return CMD_ERROR;
02942
02943 bool reset = StrEmpty(text);
02944
02945 if (!reset) {
02946 if (strlen(text) >= MAX_LENGTH_STATION_NAME_BYTES) return CMD_ERROR;
02947 if (!IsUniqueStationName(text)) return_cmd_error(STR_ERROR_NAME_MUST_BE_UNIQUE);
02948 }
02949
02950 if (flags & DC_EXEC) {
02951 free(st->name);
02952 st->name = reset ? NULL : strdup(text);
02953
02954 st->UpdateVirtCoord();
02955 InvalidateWindowData(WC_STATION_LIST, st->owner, 1);
02956 }
02957
02958 return CommandCost();
02959 }
02960
02967 void FindStationsAroundTiles(const TileArea &location, StationList *stations)
02968 {
02969
02970 int max_rad = (_settings_game.station.modified_catchment ? MAX_CATCHMENT : CA_UNMODIFIED);
02971
02972 for (int dy = -max_rad; dy < location.h + max_rad; dy++) {
02973 for (int dx = -max_rad; dx < location.w + max_rad; dx++) {
02974 TileIndex cur_tile = TileAddWrap(location.tile, dx, dy);
02975 if (cur_tile == INVALID_TILE || !IsTileType(cur_tile, MP_STATION)) continue;
02976
02977 Station *st = Station::GetByTile(cur_tile);
02978 if (st == NULL) continue;
02979
02980 if (_settings_game.station.modified_catchment) {
02981 int rad = st->GetCatchmentRadius();
02982 if (dx < -rad || dx >= rad + location.w || dy < -rad || dy >= rad + location.h) continue;
02983 }
02984
02985
02986
02987
02988 stations->Include(st);
02989 }
02990 }
02991 }
02992
02997 const StationList *StationFinder::GetStations()
02998 {
02999 if (this->tile != INVALID_TILE) {
03000 FindStationsAroundTiles(*this, &this->stations);
03001 this->tile = INVALID_TILE;
03002 }
03003 return &this->stations;
03004 }
03005
03006 uint MoveGoodsToStation(CargoID type, uint amount, SourceType source_type, SourceID source_id, const StationList *all_stations)
03007 {
03008
03009 if (amount == 0) return 0;
03010
03011 Station *st1 = NULL;
03012 Station *st2 = NULL;
03013 uint best_rating1 = 0;
03014 uint best_rating2 = 0;
03015
03016 for (Station * const *st_iter = all_stations->Begin(); st_iter != all_stations->End(); ++st_iter) {
03017 Station *st = *st_iter;
03018
03019
03020 if (st->town->exclusive_counter > 0 && st->town->exclusivity != st->owner) continue;
03021
03022 if (st->goods[type].rating == 0) continue;
03023
03024 if (_settings_game.order.selectgoods && st->goods[type].last_speed == 0) continue;
03025
03026 if (IsCargoInClass(type, CC_PASSENGERS)) {
03027 if (st->facilities == FACIL_TRUCK_STOP) continue;
03028 } else {
03029 if (st->facilities == FACIL_BUS_STOP) continue;
03030 }
03031
03032
03033 if (st1 == NULL || st->goods[type].rating >= best_rating1) {
03034 st2 = st1; best_rating2 = best_rating1; st1 = st; best_rating1 = st->goods[type].rating;
03035 } else if (st2 == NULL || st->goods[type].rating >= best_rating2) {
03036 st2 = st; best_rating2 = st->goods[type].rating;
03037 }
03038 }
03039
03040
03041 if (st1 == NULL) return 0;
03042
03043 if (st2 == NULL) {
03044
03045 uint moved = amount * best_rating1 / 256 + 1;
03046 UpdateStationWaiting(st1, type, moved, source_type, source_id);
03047 return moved;
03048 }
03049
03050
03051 assert(st1 != NULL);
03052 assert(st2 != NULL);
03053 assert(best_rating1 != 0 || best_rating2 != 0);
03054
03055
03056 best_rating2 >>= 1;
03057
03058
03059 uint t = (best_rating1 * (amount + 1)) / (best_rating1 + best_rating2);
03060
03061 uint moved = 0;
03062 if (t != 0) {
03063 moved = t * best_rating1 / 256 + 1;
03064 amount -= t;
03065 UpdateStationWaiting(st1, type, moved, source_type, source_id);
03066 }
03067
03068 if (amount != 0) {
03069 amount = amount * best_rating2 / 256 + 1;
03070 moved += amount;
03071 UpdateStationWaiting(st2, type, amount, source_type, source_id);
03072 }
03073
03074 return moved;
03075 }
03076
03077 void BuildOilRig(TileIndex tile)
03078 {
03079 if (!Station::CanAllocateItem()) {
03080 DEBUG(misc, 0, "Can't allocate station for oilrig at 0x%X, reverting to oilrig only", tile);
03081 return;
03082 }
03083
03084 Station *st = new Station(tile);
03085 st->town = ClosestTownFromTile(tile, UINT_MAX);
03086
03087 st->string_id = GenerateStationName(st, tile, STATIONNAMING_OILRIG);
03088
03089 assert(IsTileType(tile, MP_INDUSTRY));
03090 DeleteAnimatedTile(tile);
03091 MakeOilrig(tile, st->index, GetWaterClass(tile));
03092
03093 st->owner = OWNER_NONE;
03094 st->airport_type = AT_OILRIG;
03095 st->airport_tile = tile;
03096 st->dock_tile = tile;
03097 st->facilities = FACIL_AIRPORT | FACIL_DOCK;
03098 st->build_date = _date;
03099
03100 st->rect.BeforeAddTile(tile, StationRect::ADD_FORCE);
03101
03102 for (CargoID j = 0; j < NUM_CARGO; j++) {
03103 st->goods[j].acceptance_pickup = 0;
03104 st->goods[j].days_since_pickup = 255;
03105 st->goods[j].rating = INITIAL_STATION_RATING;
03106 st->goods[j].last_speed = 0;
03107 st->goods[j].last_age = 255;
03108 }
03109
03110 st->UpdateVirtCoord();
03111 UpdateStationAcceptance(st, false);
03112 st->RecomputeIndustriesNear();
03113 }
03114
03115 void DeleteOilRig(TileIndex tile)
03116 {
03117 Station *st = Station::GetByTile(tile);
03118
03119 MakeWaterKeepingClass(tile, OWNER_NONE);
03120 MarkTileDirtyByTile(tile);
03121
03122 st->dock_tile = INVALID_TILE;
03123 st->airport_tile = INVALID_TILE;
03124 st->facilities &= ~(FACIL_AIRPORT | FACIL_DOCK);
03125 st->airport_flags = 0;
03126
03127 st->rect.AfterRemoveTile(st, tile);
03128
03129 st->UpdateVirtCoord();
03130 st->RecomputeIndustriesNear();
03131 if (!st->IsInUse()) delete st;
03132 }
03133
03134 static void ChangeTileOwner_Station(TileIndex tile, Owner old_owner, Owner new_owner)
03135 {
03136 if (IsDriveThroughStopTile(tile)) {
03137 for (RoadType rt = ROADTYPE_ROAD; rt < ROADTYPE_END; rt++) {
03138
03139 if (GetRoadOwner(tile, rt) == old_owner) {
03140 SetRoadOwner(tile, rt, new_owner == INVALID_OWNER ? OWNER_NONE : new_owner);
03141 }
03142 }
03143 }
03144
03145 if (!IsTileOwner(tile, old_owner)) return;
03146
03147 if (new_owner != INVALID_OWNER) {
03148
03149 SetTileOwner(tile, new_owner);
03150 InvalidateWindowClassesData(WC_STATION_LIST, 0);
03151 } else {
03152 if (IsDriveThroughStopTile(tile)) {
03153
03154 DoCommand(tile, 0, (GetStationType(tile) == STATION_TRUCK) ? ROADSTOP_TRUCK : ROADSTOP_BUS, DC_EXEC | DC_BANKRUPT, CMD_REMOVE_ROAD_STOP);
03155 assert(IsTileType(tile, MP_ROAD));
03156
03157 ChangeTileOwner(tile, old_owner, new_owner);
03158 } else {
03159 DoCommand(tile, 0, 0, DC_EXEC | DC_BANKRUPT, CMD_LANDSCAPE_CLEAR);
03160
03161
03162
03163 if ((IsTileType(tile, MP_WATER) || IsBuoyTile(tile)) && IsTileOwner(tile, old_owner)) SetTileOwner(tile, OWNER_NONE);
03164 }
03165 }
03166 }
03167
03176 static bool CanRemoveRoadWithStop(TileIndex tile, DoCommandFlag flags)
03177 {
03178
03179 if (_current_company == OWNER_WATER) return true;
03180
03181 Owner road_owner = _current_company;
03182 Owner tram_owner = _current_company;
03183
03184 RoadTypes rts = GetRoadTypes(tile);
03185 if (HasBit(rts, ROADTYPE_ROAD)) road_owner = GetRoadOwner(tile, ROADTYPE_ROAD);
03186 if (HasBit(rts, ROADTYPE_TRAM)) tram_owner = GetRoadOwner(tile, ROADTYPE_TRAM);
03187
03188 if ((road_owner != OWNER_TOWN && !CheckOwnership(road_owner)) || !CheckOwnership(tram_owner)) return false;
03189
03190 return road_owner != OWNER_TOWN || CheckAllowRemoveRoad(tile, GetAnyRoadBits(tile, ROADTYPE_ROAD), OWNER_TOWN, ROADTYPE_ROAD, flags);
03191 }
03192
03193 CommandCost ClearTile_Station(TileIndex tile, DoCommandFlag flags)
03194 {
03195 if (flags & DC_AUTO) {
03196 switch (GetStationType(tile)) {
03197 default: break;
03198 case STATION_RAIL: return_cmd_error(STR_ERROR_MUST_DEMOLISH_RAILROAD);
03199 case STATION_WAYPOINT: return_cmd_error(STR_ERROR_BUILDING_MUST_BE_DEMOLISHED);
03200 case STATION_AIRPORT: return_cmd_error(STR_ERROR_MUST_DEMOLISH_AIRPORT_FIRST);
03201 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);
03202 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);
03203 case STATION_BUOY: return_cmd_error(STR_ERROR_BUOY_IN_THE_WAY);
03204 case STATION_DOCK: return_cmd_error(STR_ERROR_MUST_DEMOLISH_DOCK_FIRST);
03205 case STATION_OILRIG:
03206 SetDParam(0, STR_INDUSTRY_NAME_OIL_RIG);
03207 return_cmd_error(STR_ERROR_UNMOVABLE_OBJECT_IN_THE_WAY);
03208 }
03209 }
03210
03211 switch (GetStationType(tile)) {
03212 case STATION_RAIL: return RemoveRailStation(tile, flags);
03213 case STATION_WAYPOINT: return RemoveRailWaypoint(tile, flags);
03214 case STATION_AIRPORT: return RemoveAirport(tile, flags);
03215 case STATION_TRUCK:
03216 if (IsDriveThroughStopTile(tile) && !CanRemoveRoadWithStop(tile, flags))
03217 return_cmd_error(STR_ERROR_MUST_DEMOLISH_TRUCK_STATION_FIRST);
03218 return RemoveRoadStop(tile, flags);
03219 case STATION_BUS:
03220 if (IsDriveThroughStopTile(tile) && !CanRemoveRoadWithStop(tile, flags))
03221 return_cmd_error(STR_ERROR_MUST_DEMOLISH_BUS_STATION_FIRST);
03222 return RemoveRoadStop(tile, flags);
03223 case STATION_BUOY: return RemoveBuoy(tile, flags);
03224 case STATION_DOCK: return RemoveDock(tile, flags);
03225 default: break;
03226 }
03227
03228 return CMD_ERROR;
03229 }
03230
03231 static CommandCost TerraformTile_Station(TileIndex tile, DoCommandFlag flags, uint z_new, Slope tileh_new)
03232 {
03233 if (_settings_game.construction.build_on_slopes && AutoslopeEnabled()) {
03234
03235
03236
03237 if (!IsSteepSlope(tileh_new) && (GetTileMaxZ(tile) == z_new + GetSlopeMaxZ(tileh_new))) {
03238 switch (GetStationType(tile)) {
03239 case STATION_WAYPOINT:
03240 case STATION_RAIL: {
03241 DiagDirection direction = AxisToDiagDir(GetRailStationAxis(tile));
03242 if (!AutoslopeCheckForEntranceEdge(tile, z_new, tileh_new, direction)) break;
03243 if (!AutoslopeCheckForEntranceEdge(tile, z_new, tileh_new, ReverseDiagDir(direction))) break;
03244 return CommandCost(EXPENSES_CONSTRUCTION, _price[PR_BUILD_FOUNDATION]);
03245 }
03246
03247 case STATION_AIRPORT:
03248 return CommandCost(EXPENSES_CONSTRUCTION, _price[PR_BUILD_FOUNDATION]);
03249
03250 case STATION_TRUCK:
03251 case STATION_BUS: {
03252 DiagDirection direction = GetRoadStopDir(tile);
03253 if (!AutoslopeCheckForEntranceEdge(tile, z_new, tileh_new, direction)) break;
03254 if (IsDriveThroughStopTile(tile)) {
03255 if (!AutoslopeCheckForEntranceEdge(tile, z_new, tileh_new, ReverseDiagDir(direction))) break;
03256 }
03257 return CommandCost(EXPENSES_CONSTRUCTION, _price[PR_BUILD_FOUNDATION]);
03258 }
03259
03260 default: break;
03261 }
03262 }
03263 }
03264 return DoCommand(tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR);
03265 }
03266
03267
03268 extern const TileTypeProcs _tile_type_station_procs = {
03269 DrawTile_Station,
03270 GetSlopeZ_Station,
03271 ClearTile_Station,
03272 NULL,
03273 GetTileDesc_Station,
03274 GetTileTrackStatus_Station,
03275 ClickTile_Station,
03276 AnimateTile_Station,
03277 TileLoop_Station,
03278 ChangeTileOwner_Station,
03279 NULL,
03280 VehicleEnter_Station,
03281 GetFoundation_Station,
03282 TerraformTile_Station,
03283 };