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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 BaseStation::~BaseStation()
00037 {
00038 free(this->name);
00039 free(this->speclist);
00040
00041 if (CleaningPool()) return;
00042
00043 Owner owner = this->owner;
00044 if (!Company::IsValidID(owner)) owner = _local_company;
00045 if (!Company::IsValidID(owner)) return;
00046 DeleteWindowById(WC_TRAINS_LIST, VehicleListIdentifier(VL_STATION_LIST, VEH_TRAIN, owner, this->index).Pack());
00047 DeleteWindowById(WC_ROADVEH_LIST, VehicleListIdentifier(VL_STATION_LIST, VEH_ROAD, owner, this->index).Pack());
00048 DeleteWindowById(WC_SHIPS_LIST, VehicleListIdentifier(VL_STATION_LIST, VEH_SHIP, owner, this->index).Pack());
00049 DeleteWindowById(WC_AIRCRAFT_LIST, VehicleListIdentifier(VL_STATION_LIST, VEH_AIRCRAFT, owner, this->index).Pack());
00050
00051 this->sign.MarkDirty();
00052 }
00053
00054 Station::Station(TileIndex tile) :
00055 SpecializedStation<Station, false>(tile),
00056 bus_station(INVALID_TILE, 0, 0),
00057 truck_station(INVALID_TILE, 0, 0),
00058 dock_tile(INVALID_TILE),
00059 indtype(IT_INVALID),
00060 time_since_load(255),
00061 time_since_unload(255),
00062 last_vehicle_type(VEH_INVALID)
00063 {
00064
00065 }
00066
00074 Station::~Station()
00075 {
00076 if (CleaningPool()) {
00077 for (CargoID c = 0; c < NUM_CARGO; c++) {
00078 this->goods[c].cargo.OnCleanPool();
00079 }
00080 return;
00081 }
00082
00083 while (!this->loading_vehicles.empty()) {
00084 this->loading_vehicles.front()->LeaveStation();
00085 }
00086
00087 Aircraft *a;
00088 FOR_ALL_AIRCRAFT(a) {
00089 if (!a->IsNormalAircraft()) continue;
00090 if (a->targetairport == this->index) a->targetairport = INVALID_STATION;
00091 }
00092
00093 for (CargoID c = 0; c < NUM_CARGO; ++c) {
00094 LinkGraph *lg = LinkGraph::GetIfValid(this->goods[c].link_graph);
00095 if (lg != NULL) {
00096 lg->RemoveNode(this->goods[c].node);
00097 if (lg->Size() == 0) {
00098 LinkGraphSchedule::Instance()->Unqueue(lg);
00099 delete lg;
00100 }
00101 }
00102 Station *st;
00103 FOR_ALL_STATIONS(st) {
00104 GoodsEntry *ge = &st->goods[c];
00105 ge->flows.DeleteFlows(this->index);
00106 ge->cargo.Reroute(UINT_MAX, &ge->cargo, this->index, st->index, ge);
00107 }
00108 }
00109
00110 Vehicle *v;
00111 FOR_ALL_VEHICLES(v) {
00112
00113 if (v->last_station_visited == this->index) {
00114 v->last_station_visited = INVALID_STATION;
00115 }
00116 if (v->last_loading_station == this->index) {
00117 v->last_loading_station = INVALID_STATION;
00118 }
00119 }
00120
00121
00122 delete this->airport.psa;
00123
00124 if (this->owner == OWNER_NONE) {
00125
00126 InvalidateWindowClassesData(WC_STATION_LIST, 0);
00127 } else {
00128 InvalidateWindowData(WC_STATION_LIST, this->owner, 0);
00129 }
00130
00131 DeleteWindowById(WC_STATION_VIEW, index);
00132
00133
00134 RemoveOrderFromAllVehicles(OT_GOTO_STATION, this->index);
00135
00136
00137 DeleteStationNews(this->index);
00138
00139 for (CargoID c = 0; c < NUM_CARGO; c++) {
00140 this->goods[c].cargo.Truncate();
00141 }
00142
00143 CargoPacket::InvalidateAllFrom(this->index);
00144 }
00145
00146
00152 void BaseStation::PostDestructor(size_t index)
00153 {
00154 InvalidateWindowData(WC_SELECT_STATION, 0, 0);
00155 }
00156
00162 RoadStop *Station::GetPrimaryRoadStop(const RoadVehicle *v) const
00163 {
00164 RoadStop *rs = this->GetPrimaryRoadStop(v->IsBus() ? ROADSTOP_BUS : ROADSTOP_TRUCK);
00165
00166 for (; rs != NULL; rs = rs->next) {
00167
00168 if ((GetRoadTypes(rs->xy) & v->compatible_roadtypes) == ROADTYPES_NONE) continue;
00169
00170 if (IsStandardRoadStopTile(rs->xy) && v->HasArticulatedPart()) continue;
00171
00172
00173 break;
00174 }
00175
00176 return rs;
00177 }
00178
00183 void Station::AddFacility(StationFacility new_facility_bit, TileIndex facil_xy)
00184 {
00185 if (this->facilities == FACIL_NONE) {
00186 this->xy = facil_xy;
00187 this->random_bits = Random();
00188 }
00189 this->facilities |= new_facility_bit;
00190 this->owner = _current_company;
00191 this->build_date = _date;
00192 }
00193
00199 void Station::MarkTilesDirty(bool cargo_change) const
00200 {
00201 TileIndex tile = this->train_station.tile;
00202 int w, h;
00203
00204 if (tile == INVALID_TILE) return;
00205
00206
00207
00208 if (cargo_change) {
00209
00210
00211
00212 if (this->num_specs == 0) return;
00213 }
00214
00215 for (h = 0; h < train_station.h; h++) {
00216 for (w = 0; w < train_station.w; w++) {
00217 if (this->TileBelongsToRailStation(tile)) {
00218 MarkTileDirtyByTile(tile);
00219 }
00220 tile += TileDiffXY(1, 0);
00221 }
00222 tile += TileDiffXY(-w, 1);
00223 }
00224 }
00225
00226 uint Station::GetPlatformLength(TileIndex tile) const
00227 {
00228 assert(this->TileBelongsToRailStation(tile));
00229
00230 TileIndexDiff delta = (GetRailStationAxis(tile) == AXIS_X ? TileDiffXY(1, 0) : TileDiffXY(0, 1));
00231
00232 TileIndex t = tile;
00233 uint len = 0;
00234 do {
00235 t -= delta;
00236 len++;
00237 } while (IsCompatibleTrainStationTile(t, tile));
00238
00239 t = tile;
00240 do {
00241 t += delta;
00242 len++;
00243 } while (IsCompatibleTrainStationTile(t, tile));
00244
00245 return len - 1;
00246 }
00247
00248 uint Station::GetPlatformLength(TileIndex tile, DiagDirection dir) const
00249 {
00250 TileIndex start_tile = tile;
00251 uint length = 0;
00252 assert(IsRailStationTile(tile));
00253 assert(dir < DIAGDIR_END);
00254
00255 do {
00256 length++;
00257 tile += TileOffsByDiagDir(dir);
00258 } while (IsCompatibleTrainStationTile(tile, start_tile));
00259
00260 return length;
00261 }
00262
00267 uint Station::GetCatchmentRadius() const
00268 {
00269 uint ret = CA_NONE;
00270
00271 if (_settings_game.station.modified_catchment) {
00272 if (this->bus_stops != NULL) ret = max<uint>(ret, CA_BUS);
00273 if (this->truck_stops != NULL) ret = max<uint>(ret, CA_TRUCK);
00274 if (this->train_station.tile != INVALID_TILE) ret = max<uint>(ret, CA_TRAIN);
00275 if (this->dock_tile != INVALID_TILE) ret = max<uint>(ret, CA_DOCK);
00276 if (this->airport.tile != INVALID_TILE) ret = max<uint>(ret, this->airport.GetSpec()->catchment);
00277 } else {
00278 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) {
00279 ret = CA_UNMODIFIED;
00280 }
00281 }
00282
00283 return ret;
00284 }
00285
00290 Rect Station::GetCatchmentRect() const
00291 {
00292 assert(!this->rect.IsEmpty());
00293
00294
00295 int catchment_radius = this->GetCatchmentRadius();
00296
00297 Rect ret = {
00298 max<int>(this->rect.left - catchment_radius, 0),
00299 max<int>(this->rect.top - catchment_radius, 0),
00300 min<int>(this->rect.right + catchment_radius, MapMaxX()),
00301 min<int>(this->rect.bottom + catchment_radius, MapMaxY())
00302 };
00303
00304 return ret;
00305 }
00306
00308 struct RectAndIndustryVector {
00309 Rect rect;
00310 IndustryVector *industries_near;
00311 };
00312
00321 static bool FindIndustryToDeliver(TileIndex ind_tile, void *user_data)
00322 {
00323
00324 if (!IsTileType(ind_tile, MP_INDUSTRY)) return false;
00325
00326 RectAndIndustryVector *riv = (RectAndIndustryVector *)user_data;
00327 Industry *ind = Industry::GetByTile(ind_tile);
00328
00329
00330 if (riv->industries_near->Contains(ind)) return false;
00331
00332
00333 int x = TileX(ind_tile);
00334 int y = TileY(ind_tile);
00335 if (x < riv->rect.left || x > riv->rect.right || y < riv->rect.top || y > riv->rect.bottom) return false;
00336
00337
00338 uint cargo_index;
00339 for (cargo_index = 0; cargo_index < lengthof(ind->accepts_cargo); cargo_index++) {
00340 if (ind->accepts_cargo[cargo_index] != CT_INVALID) break;
00341 }
00342 if (cargo_index >= lengthof(ind->accepts_cargo)) return false;
00343
00344 *riv->industries_near->Append() = ind;
00345
00346 return false;
00347 }
00348
00353 void Station::RecomputeIndustriesNear()
00354 {
00355 this->industries_near.Clear();
00356 if (this->rect.IsEmpty()) return;
00357
00358 RectAndIndustryVector riv = {
00359 this->GetCatchmentRect(),
00360 &this->industries_near
00361 };
00362
00363
00364 TileIndex start_tile = this->xy;
00365 uint max_radius = max(
00366 max(DistanceManhattan(start_tile, TileXY(riv.rect.left, riv.rect.top)), DistanceManhattan(start_tile, TileXY(riv.rect.left, riv.rect.bottom))),
00367 max(DistanceManhattan(start_tile, TileXY(riv.rect.right, riv.rect.top)), DistanceManhattan(start_tile, TileXY(riv.rect.right, riv.rect.bottom)))
00368 );
00369
00370 CircularTileSearch(&start_tile, 2 * max_radius + 1, &FindIndustryToDeliver, &riv);
00371 }
00372
00376 void Station::RecomputeIndustriesNearForAll()
00377 {
00378 Station *st;
00379 FOR_ALL_STATIONS(st) st->RecomputeIndustriesNear();
00380 }
00381
00382
00383
00384
00385
00386 StationRect::StationRect()
00387 {
00388 this->MakeEmpty();
00389 }
00390
00391 void StationRect::MakeEmpty()
00392 {
00393 this->left = this->top = this->right = this->bottom = 0;
00394 }
00395
00405 bool StationRect::PtInExtendedRect(int x, int y, int distance) const
00406 {
00407 return this->left - distance <= x && x <= this->right + distance &&
00408 this->top - distance <= y && y <= this->bottom + distance;
00409 }
00410
00411 bool StationRect::IsEmpty() const
00412 {
00413 return this->left == 0 || this->left > this->right || this->top > this->bottom;
00414 }
00415
00416 CommandCost StationRect::BeforeAddTile(TileIndex tile, StationRectMode mode)
00417 {
00418 int x = TileX(tile);
00419 int y = TileY(tile);
00420 if (this->IsEmpty()) {
00421
00422 if (mode != ADD_TEST) {
00423 this->left = this->right = x;
00424 this->top = this->bottom = y;
00425 }
00426 } else if (!this->PtInExtendedRect(x, y)) {
00427
00428
00429 Rect new_rect = {min(x, this->left), min(y, this->top), max(x, this->right), max(y, this->bottom)};
00430
00431
00432 int w = new_rect.right - new_rect.left + 1;
00433 int h = new_rect.bottom - new_rect.top + 1;
00434 if (mode != ADD_FORCE && (w > _settings_game.station.station_spread || h > _settings_game.station.station_spread)) {
00435 assert(mode != ADD_TRY);
00436 return_cmd_error(STR_ERROR_STATION_TOO_SPREAD_OUT);
00437 }
00438
00439
00440 if (mode != ADD_TEST) {
00441
00442 *this = new_rect;
00443 }
00444 } else {
00445 ;
00446 }
00447 return CommandCost();
00448 }
00449
00450 CommandCost StationRect::BeforeAddRect(TileIndex tile, int w, int h, StationRectMode mode)
00451 {
00452 if (mode == ADD_FORCE || (w <= _settings_game.station.station_spread && h <= _settings_game.station.station_spread)) {
00453
00454 CommandCost ret = this->BeforeAddTile(tile, mode);
00455 if (ret.Succeeded()) ret = this->BeforeAddTile(TILE_ADDXY(tile, w - 1, h - 1), mode);
00456 return ret;
00457 }
00458 return CommandCost();
00459 }
00460
00470 bool StationRect::ScanForStationTiles(StationID st_id, int left_a, int top_a, int right_a, int bottom_a)
00471 {
00472 TileArea ta(TileXY(left_a, top_a), TileXY(right_a, bottom_a));
00473 TILE_AREA_LOOP(tile, ta) {
00474 if (IsTileType(tile, MP_STATION) && GetStationIndex(tile) == st_id) return true;
00475 }
00476
00477 return false;
00478 }
00479
00480 bool StationRect::AfterRemoveTile(BaseStation *st, TileIndex tile)
00481 {
00482 int x = TileX(tile);
00483 int y = TileY(tile);
00484
00485
00486
00487
00488 for (;;) {
00489
00490 bool left_edge = (x == this->left);
00491 bool right_edge = (x == this->right);
00492 bool top_edge = (y == this->top);
00493 bool bottom_edge = (y == this->bottom);
00494
00495
00496 bool reduce_x = ((left_edge || right_edge) && !ScanForStationTiles(st->index, x, this->top, x, this->bottom));
00497 bool reduce_y = ((top_edge || bottom_edge) && !ScanForStationTiles(st->index, this->left, y, this->right, y));
00498 if (!(reduce_x || reduce_y)) break;
00499
00500 if (reduce_x) {
00501
00502 if (left_edge) {
00503
00504 this->left = x = x + 1;
00505 } else {
00506
00507 this->right = x = x - 1;
00508 }
00509 }
00510 if (reduce_y) {
00511
00512 if (top_edge) {
00513
00514 this->top = y = y + 1;
00515 } else {
00516
00517 this->bottom = y = y - 1;
00518 }
00519 }
00520
00521 if (left > right || top > bottom) {
00522
00523 this->MakeEmpty();
00524 return true;
00525 }
00526 }
00527 return false;
00528 }
00529
00530 bool StationRect::AfterRemoveRect(BaseStation *st, TileArea ta)
00531 {
00532 assert(this->PtInExtendedRect(TileX(ta.tile), TileY(ta.tile)));
00533 assert(this->PtInExtendedRect(TileX(ta.tile) + ta.w - 1, TileY(ta.tile) + ta.h - 1));
00534
00535 bool empty = this->AfterRemoveTile(st, ta.tile);
00536 if (ta.w != 1 || ta.h != 1) empty = empty || this->AfterRemoveTile(st, TILE_ADDXY(ta.tile, ta.w - 1, ta.h - 1));
00537 return empty;
00538 }
00539
00540 StationRect& StationRect::operator = (const Rect &src)
00541 {
00542 this->left = src.left;
00543 this->top = src.top;
00544 this->right = src.right;
00545 this->bottom = src.bottom;
00546 return *this;
00547 }
00548
00554 Money AirportMaintenanceCost(Owner owner)
00555 {
00556 Money total_cost = 0;
00557
00558 const Station *st;
00559 FOR_ALL_STATIONS(st) {
00560 if (st->owner == owner && (st->facilities & FACIL_AIRPORT)) {
00561 total_cost += _price[PR_INFRASTRUCTURE_AIRPORT] * st->airport.GetSpec()->maintenance_cost;
00562 }
00563 }
00564
00565 return total_cost >> 3;
00566 }