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00012 #include "stdafx.h"
00013 #include "company_func.h"
00014 #include "company_base.h"
00015 #include "roadveh.h"
00016 #include "viewport_func.h"
00017 #include "date_func.h"
00018 #include "command_func.h"
00019 #include "news_func.h"
00020 #include "aircraft.h"
00021 #include "vehiclelist.h"
00022 #include "core/pool_func.hpp"
00023 #include "station_base.h"
00024 #include "roadstop_base.h"
00025 #include "industry.h"
00026 #include "core/random_func.hpp"
00027 #include "linkgraph/linkgraph.h"
00028 #include "linkgraph/linkgraphschedule.h"
00029
00030 #include "table/strings.h"
00031
00033 StationPool _station_pool("Station");
00034 INSTANTIATE_POOL_METHODS(Station)
00035
00036 typedef StationIDStack::SmallStackPool StationIDStackPool;
00037 template<> StationIDStackPool StationIDStack::_pool("StationIDStack");
00038 INSTANTIATE_POOL_METHODS(StationIDStack)
00039
00040 BaseStation::~BaseStation()
00041 {
00042 free(this->name);
00043 free(this->speclist);
00044
00045 if (CleaningPool()) return;
00046
00047 Owner owner = this->owner;
00048 if (!Company::IsValidID(owner)) owner = _local_company;
00049 if (!Company::IsValidID(owner)) return;
00050 DeleteWindowById(WC_TRAINS_LIST, VehicleListIdentifier(VL_STATION_LIST, VEH_TRAIN, owner, this->index).Pack());
00051 DeleteWindowById(WC_ROADVEH_LIST, VehicleListIdentifier(VL_STATION_LIST, VEH_ROAD, owner, this->index).Pack());
00052 DeleteWindowById(WC_SHIPS_LIST, VehicleListIdentifier(VL_STATION_LIST, VEH_SHIP, owner, this->index).Pack());
00053 DeleteWindowById(WC_AIRCRAFT_LIST, VehicleListIdentifier(VL_STATION_LIST, VEH_AIRCRAFT, owner, this->index).Pack());
00054
00055 this->sign.MarkDirty();
00056 }
00057
00058 Station::Station(TileIndex tile) :
00059 SpecializedStation<Station, false>(tile),
00060 bus_station(INVALID_TILE, 0, 0),
00061 truck_station(INVALID_TILE, 0, 0),
00062 dock_tile(INVALID_TILE),
00063 indtype(IT_INVALID),
00064 time_since_load(255),
00065 time_since_unload(255),
00066 last_vehicle_type(VEH_INVALID)
00067 {
00068
00069 }
00070
00078 Station::~Station()
00079 {
00080 if (CleaningPool()) {
00081 for (CargoID c = 0; c < NUM_CARGO; c++) {
00082 this->goods[c].cargo.OnCleanPool();
00083 }
00084 return;
00085 }
00086
00087 while (!this->loading_vehicles.empty()) {
00088 this->loading_vehicles.front()->LeaveStation();
00089 }
00090
00091 Aircraft *a;
00092 FOR_ALL_AIRCRAFT(a) {
00093 if (!a->IsNormalAircraft()) continue;
00094 if (a->targetairport == this->index) a->targetairport = INVALID_STATION;
00095 }
00096
00097 for (CargoID c = 0; c < NUM_CARGO; ++c) {
00098 LinkGraph *lg = LinkGraph::GetIfValid(this->goods[c].link_graph);
00099 if (lg == NULL) continue;
00100
00101 for (NodeID node = 0; node < lg->Size(); ++node) {
00102 Station *st = Station::Get((*lg)[node].Station());
00103 st->goods[c].flows.erase(this->index);
00104 if ((*lg)[node][this->goods[c].node].LastUpdate() != INVALID_DATE) {
00105 st->goods[c].flows.DeleteFlows(this->index);
00106 RerouteCargo(st, c, this->index, st->index);
00107 }
00108 }
00109 lg->RemoveNode(this->goods[c].node);
00110 if (lg->Size() == 0) {
00111 LinkGraphSchedule::Instance()->Unqueue(lg);
00112 delete lg;
00113 }
00114 }
00115
00116 Vehicle *v;
00117 FOR_ALL_VEHICLES(v) {
00118
00119 if (v->last_station_visited == this->index) {
00120 v->last_station_visited = INVALID_STATION;
00121 }
00122 if (v->last_loading_station == this->index) {
00123 v->last_loading_station = INVALID_STATION;
00124 }
00125 }
00126
00127
00128 delete this->airport.psa;
00129
00130 if (this->owner == OWNER_NONE) {
00131
00132 InvalidateWindowClassesData(WC_STATION_LIST, 0);
00133 } else {
00134 InvalidateWindowData(WC_STATION_LIST, this->owner, 0);
00135 }
00136
00137 DeleteWindowById(WC_STATION_VIEW, index);
00138
00139
00140 RemoveOrderFromAllVehicles(OT_GOTO_STATION, this->index);
00141
00142
00143 DeleteStationNews(this->index);
00144
00145 for (CargoID c = 0; c < NUM_CARGO; c++) {
00146 this->goods[c].cargo.Truncate();
00147 }
00148
00149 CargoPacket::InvalidateAllFrom(this->index);
00150 }
00151
00152
00158 void BaseStation::PostDestructor(size_t index)
00159 {
00160 InvalidateWindowData(WC_SELECT_STATION, 0, 0);
00161 }
00162
00168 RoadStop *Station::GetPrimaryRoadStop(const RoadVehicle *v) const
00169 {
00170 RoadStop *rs = this->GetPrimaryRoadStop(v->IsBus() ? ROADSTOP_BUS : ROADSTOP_TRUCK);
00171
00172 for (; rs != NULL; rs = rs->next) {
00173
00174 if ((GetRoadTypes(rs->xy) & v->compatible_roadtypes) == ROADTYPES_NONE) continue;
00175
00176 if (IsStandardRoadStopTile(rs->xy) && v->HasArticulatedPart()) continue;
00177
00178
00179 break;
00180 }
00181
00182 return rs;
00183 }
00184
00189 void Station::AddFacility(StationFacility new_facility_bit, TileIndex facil_xy)
00190 {
00191 if (this->facilities == FACIL_NONE) {
00192 this->xy = facil_xy;
00193 this->random_bits = Random();
00194 }
00195 this->facilities |= new_facility_bit;
00196 this->owner = _current_company;
00197 this->build_date = _date;
00198 }
00199
00205 void Station::MarkTilesDirty(bool cargo_change) const
00206 {
00207 TileIndex tile = this->train_station.tile;
00208 int w, h;
00209
00210 if (tile == INVALID_TILE) return;
00211
00212
00213
00214 if (cargo_change) {
00215
00216
00217
00218 if (this->num_specs == 0) return;
00219 }
00220
00221 for (h = 0; h < train_station.h; h++) {
00222 for (w = 0; w < train_station.w; w++) {
00223 if (this->TileBelongsToRailStation(tile)) {
00224 MarkTileDirtyByTile(tile);
00225 }
00226 tile += TileDiffXY(1, 0);
00227 }
00228 tile += TileDiffXY(-w, 1);
00229 }
00230 }
00231
00232 uint Station::GetPlatformLength(TileIndex tile) const
00233 {
00234 assert(this->TileBelongsToRailStation(tile));
00235
00236 TileIndexDiff delta = (GetRailStationAxis(tile) == AXIS_X ? TileDiffXY(1, 0) : TileDiffXY(0, 1));
00237
00238 TileIndex t = tile;
00239 uint len = 0;
00240 do {
00241 t -= delta;
00242 len++;
00243 } while (IsCompatibleTrainStationTile(t, tile));
00244
00245 t = tile;
00246 do {
00247 t += delta;
00248 len++;
00249 } while (IsCompatibleTrainStationTile(t, tile));
00250
00251 return len - 1;
00252 }
00253
00254 uint Station::GetPlatformLength(TileIndex tile, DiagDirection dir) const
00255 {
00256 TileIndex start_tile = tile;
00257 uint length = 0;
00258 assert(IsRailStationTile(tile));
00259 assert(dir < DIAGDIR_END);
00260
00261 do {
00262 length++;
00263 tile += TileOffsByDiagDir(dir);
00264 } while (IsCompatibleTrainStationTile(tile, start_tile));
00265
00266 return length;
00267 }
00268
00273 uint Station::GetCatchmentRadius() const
00274 {
00275 uint ret = CA_NONE;
00276
00277 if (_settings_game.station.modified_catchment) {
00278 if (this->bus_stops != NULL) ret = max<uint>(ret, CA_BUS);
00279 if (this->truck_stops != NULL) ret = max<uint>(ret, CA_TRUCK);
00280 if (this->train_station.tile != INVALID_TILE) ret = max<uint>(ret, CA_TRAIN);
00281 if (this->dock_tile != INVALID_TILE) ret = max<uint>(ret, CA_DOCK);
00282 if (this->airport.tile != INVALID_TILE) ret = max<uint>(ret, this->airport.GetSpec()->catchment);
00283 } else {
00284 if (this->bus_stops != NULL || this->truck_stops != NULL || this->train_station.tile != INVALID_TILE || this->dock_tile != INVALID_TILE || this->airport.tile != INVALID_TILE) {
00285 ret = CA_UNMODIFIED;
00286 }
00287 }
00288
00289 return ret;
00290 }
00291
00296 Rect Station::GetCatchmentRect() const
00297 {
00298 assert(!this->rect.IsEmpty());
00299
00300
00301 int catchment_radius = this->GetCatchmentRadius();
00302
00303 Rect ret = {
00304 max<int>(this->rect.left - catchment_radius, 0),
00305 max<int>(this->rect.top - catchment_radius, 0),
00306 min<int>(this->rect.right + catchment_radius, MapMaxX()),
00307 min<int>(this->rect.bottom + catchment_radius, MapMaxY())
00308 };
00309
00310 return ret;
00311 }
00312
00314 struct RectAndIndustryVector {
00315 Rect rect;
00316 IndustryVector *industries_near;
00317 };
00318
00327 static bool FindIndustryToDeliver(TileIndex ind_tile, void *user_data)
00328 {
00329
00330 if (!IsTileType(ind_tile, MP_INDUSTRY)) return false;
00331
00332 RectAndIndustryVector *riv = (RectAndIndustryVector *)user_data;
00333 Industry *ind = Industry::GetByTile(ind_tile);
00334
00335
00336 if (riv->industries_near->Contains(ind)) return false;
00337
00338
00339 int x = TileX(ind_tile);
00340 int y = TileY(ind_tile);
00341 if (x < riv->rect.left || x > riv->rect.right || y < riv->rect.top || y > riv->rect.bottom) return false;
00342
00343
00344 uint cargo_index;
00345 for (cargo_index = 0; cargo_index < lengthof(ind->accepts_cargo); cargo_index++) {
00346 if (ind->accepts_cargo[cargo_index] != CT_INVALID) break;
00347 }
00348 if (cargo_index >= lengthof(ind->accepts_cargo)) return false;
00349
00350 *riv->industries_near->Append() = ind;
00351
00352 return false;
00353 }
00354
00359 void Station::RecomputeIndustriesNear()
00360 {
00361 this->industries_near.Clear();
00362 if (this->rect.IsEmpty()) return;
00363
00364 RectAndIndustryVector riv = {
00365 this->GetCatchmentRect(),
00366 &this->industries_near
00367 };
00368
00369
00370 TileIndex start_tile = this->xy;
00371 uint max_radius = max(
00372 max(DistanceManhattan(start_tile, TileXY(riv.rect.left, riv.rect.top)), DistanceManhattan(start_tile, TileXY(riv.rect.left, riv.rect.bottom))),
00373 max(DistanceManhattan(start_tile, TileXY(riv.rect.right, riv.rect.top)), DistanceManhattan(start_tile, TileXY(riv.rect.right, riv.rect.bottom)))
00374 );
00375
00376 CircularTileSearch(&start_tile, 2 * max_radius + 1, &FindIndustryToDeliver, &riv);
00377 }
00378
00382 void Station::RecomputeIndustriesNearForAll()
00383 {
00384 Station *st;
00385 FOR_ALL_STATIONS(st) st->RecomputeIndustriesNear();
00386 }
00387
00388
00389
00390
00391
00392 StationRect::StationRect()
00393 {
00394 this->MakeEmpty();
00395 }
00396
00397 void StationRect::MakeEmpty()
00398 {
00399 this->left = this->top = this->right = this->bottom = 0;
00400 }
00401
00411 bool StationRect::PtInExtendedRect(int x, int y, int distance) const
00412 {
00413 return this->left - distance <= x && x <= this->right + distance &&
00414 this->top - distance <= y && y <= this->bottom + distance;
00415 }
00416
00417 bool StationRect::IsEmpty() const
00418 {
00419 return this->left == 0 || this->left > this->right || this->top > this->bottom;
00420 }
00421
00422 CommandCost StationRect::BeforeAddTile(TileIndex tile, StationRectMode mode)
00423 {
00424 int x = TileX(tile);
00425 int y = TileY(tile);
00426 if (this->IsEmpty()) {
00427
00428 if (mode != ADD_TEST) {
00429 this->left = this->right = x;
00430 this->top = this->bottom = y;
00431 }
00432 } else if (!this->PtInExtendedRect(x, y)) {
00433
00434
00435 Rect new_rect = {min(x, this->left), min(y, this->top), max(x, this->right), max(y, this->bottom)};
00436
00437
00438 int w = new_rect.right - new_rect.left + 1;
00439 int h = new_rect.bottom - new_rect.top + 1;
00440 if (mode != ADD_FORCE && (w > _settings_game.station.station_spread || h > _settings_game.station.station_spread)) {
00441 assert(mode != ADD_TRY);
00442 return_cmd_error(STR_ERROR_STATION_TOO_SPREAD_OUT);
00443 }
00444
00445
00446 if (mode != ADD_TEST) {
00447
00448 *this = new_rect;
00449 }
00450 } else {
00451 ;
00452 }
00453 return CommandCost();
00454 }
00455
00456 CommandCost StationRect::BeforeAddRect(TileIndex tile, int w, int h, StationRectMode mode)
00457 {
00458 if (mode == ADD_FORCE || (w <= _settings_game.station.station_spread && h <= _settings_game.station.station_spread)) {
00459
00460 CommandCost ret = this->BeforeAddTile(tile, mode);
00461 if (ret.Succeeded()) ret = this->BeforeAddTile(TILE_ADDXY(tile, w - 1, h - 1), mode);
00462 return ret;
00463 }
00464 return CommandCost();
00465 }
00466
00476 bool StationRect::ScanForStationTiles(StationID st_id, int left_a, int top_a, int right_a, int bottom_a)
00477 {
00478 TileArea ta(TileXY(left_a, top_a), TileXY(right_a, bottom_a));
00479 TILE_AREA_LOOP(tile, ta) {
00480 if (IsTileType(tile, MP_STATION) && GetStationIndex(tile) == st_id) return true;
00481 }
00482
00483 return false;
00484 }
00485
00486 bool StationRect::AfterRemoveTile(BaseStation *st, TileIndex tile)
00487 {
00488 int x = TileX(tile);
00489 int y = TileY(tile);
00490
00491
00492
00493
00494 for (;;) {
00495
00496 bool left_edge = (x == this->left);
00497 bool right_edge = (x == this->right);
00498 bool top_edge = (y == this->top);
00499 bool bottom_edge = (y == this->bottom);
00500
00501
00502 bool reduce_x = ((left_edge || right_edge) && !ScanForStationTiles(st->index, x, this->top, x, this->bottom));
00503 bool reduce_y = ((top_edge || bottom_edge) && !ScanForStationTiles(st->index, this->left, y, this->right, y));
00504 if (!(reduce_x || reduce_y)) break;
00505
00506 if (reduce_x) {
00507
00508 if (left_edge) {
00509
00510 this->left = x = x + 1;
00511 } else {
00512
00513 this->right = x = x - 1;
00514 }
00515 }
00516 if (reduce_y) {
00517
00518 if (top_edge) {
00519
00520 this->top = y = y + 1;
00521 } else {
00522
00523 this->bottom = y = y - 1;
00524 }
00525 }
00526
00527 if (left > right || top > bottom) {
00528
00529 this->MakeEmpty();
00530 return true;
00531 }
00532 }
00533 return false;
00534 }
00535
00536 bool StationRect::AfterRemoveRect(BaseStation *st, TileArea ta)
00537 {
00538 assert(this->PtInExtendedRect(TileX(ta.tile), TileY(ta.tile)));
00539 assert(this->PtInExtendedRect(TileX(ta.tile) + ta.w - 1, TileY(ta.tile) + ta.h - 1));
00540
00541 bool empty = this->AfterRemoveTile(st, ta.tile);
00542 if (ta.w != 1 || ta.h != 1) empty = empty || this->AfterRemoveTile(st, TILE_ADDXY(ta.tile, ta.w - 1, ta.h - 1));
00543 return empty;
00544 }
00545
00546 StationRect& StationRect::operator = (const Rect &src)
00547 {
00548 this->left = src.left;
00549 this->top = src.top;
00550 this->right = src.right;
00551 this->bottom = src.bottom;
00552 return *this;
00553 }
00554
00560 Money AirportMaintenanceCost(Owner owner)
00561 {
00562 Money total_cost = 0;
00563
00564 const Station *st;
00565 FOR_ALL_STATIONS(st) {
00566 if (st->owner == owner && (st->facilities & FACIL_AIRPORT)) {
00567 total_cost += _price[PR_INFRASTRUCTURE_AIRPORT] * st->airport.GetSpec()->maintenance_cost;
00568 }
00569 }
00570
00571 return total_cost >> 3;
00572 }