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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
00028 #include "table/strings.h"
00029
00031 StationPool _station_pool("Station");
00032 INSTANTIATE_POOL_METHODS(Station)
00033
00034 BaseStation::~BaseStation()
00035 {
00036 free(this->name);
00037 free(this->speclist);
00038
00039 if (CleaningPool()) return;
00040
00041 Owner owner = this->owner;
00042 if (!Company::IsValidID(owner)) owner = _local_company;
00043 if (!Company::IsValidID(owner)) return;
00044 DeleteWindowById(WC_TRAINS_LIST, VehicleListIdentifier(VL_STATION_LIST, VEH_TRAIN, owner, this->index).Pack());
00045 DeleteWindowById(WC_ROADVEH_LIST, VehicleListIdentifier(VL_STATION_LIST, VEH_ROAD, owner, this->index).Pack());
00046 DeleteWindowById(WC_SHIPS_LIST, VehicleListIdentifier(VL_STATION_LIST, VEH_SHIP, owner, this->index).Pack());
00047 DeleteWindowById(WC_AIRCRAFT_LIST, VehicleListIdentifier(VL_STATION_LIST, VEH_AIRCRAFT, owner, this->index).Pack());
00048
00049 this->sign.MarkDirty();
00050 }
00051
00052 Station::Station(TileIndex tile) :
00053 SpecializedStation<Station, false>(tile),
00054 bus_station(INVALID_TILE, 0, 0),
00055 truck_station(INVALID_TILE, 0, 0),
00056 dock_tile(INVALID_TILE),
00057 indtype(IT_INVALID),
00058 time_since_load(255),
00059 time_since_unload(255),
00060 last_vehicle_type(VEH_INVALID)
00061 {
00062
00063 }
00064
00072 Station::~Station()
00073 {
00074 if (CleaningPool()) {
00075 for (CargoID c = 0; c < NUM_CARGO; c++) {
00076 this->goods[c].cargo.OnCleanPool();
00077 }
00078 return;
00079 }
00080
00081 while (!this->loading_vehicles.empty()) {
00082 this->loading_vehicles.front()->LeaveStation();
00083 }
00084
00085 Aircraft *a;
00086 FOR_ALL_AIRCRAFT(a) {
00087 if (!a->IsNormalAircraft()) continue;
00088 if (a->targetairport == this->index) a->targetairport = INVALID_STATION;
00089 }
00090
00091 Station *st;
00092 FOR_ALL_STATIONS(st) {
00093 for (CargoID c = 0; c < NUM_CARGO; ++c) {
00094 GoodsEntry *ge = &st->goods[c];
00095 ge->link_stats.erase(this->index);
00096 DeleteStaleFlows(st->index, c, this->index);
00097 ge->cargo.Reroute(UINT_MAX, &ge->cargo, this->index, st->index, ge);
00098 }
00099 }
00100
00101 Vehicle *v;
00102 FOR_ALL_VEHICLES(v) {
00103
00104 if (v->last_station_visited == this->index) {
00105 v->last_station_visited = INVALID_STATION;
00106 }
00107 if (v->last_loading_station == this->index) {
00108 v->last_loading_station = INVALID_STATION;
00109 }
00110 }
00111
00112
00113 delete this->airport.psa;
00114
00115 if (this->owner == OWNER_NONE) {
00116
00117 InvalidateWindowClassesData(WC_STATION_LIST, 0);
00118 } else {
00119 InvalidateWindowData(WC_STATION_LIST, this->owner, 0);
00120 }
00121
00122 DeleteWindowById(WC_STATION_VIEW, index);
00123
00124
00125 RemoveOrderFromAllVehicles(OT_GOTO_STATION, this->index);
00126
00127
00128 DeleteStationNews(this->index);
00129
00130 for (CargoID c = 0; c < NUM_CARGO; c++) {
00131 this->goods[c].cargo.Truncate();
00132 }
00133
00134 CargoPacket::InvalidateAllFrom(this->index);
00135 }
00136
00137
00143 void BaseStation::PostDestructor(size_t index)
00144 {
00145 InvalidateWindowData(WC_SELECT_STATION, 0, 0);
00146 }
00147
00153 RoadStop *Station::GetPrimaryRoadStop(const RoadVehicle *v) const
00154 {
00155 RoadStop *rs = this->GetPrimaryRoadStop(v->IsBus() ? ROADSTOP_BUS : ROADSTOP_TRUCK);
00156
00157 for (; rs != NULL; rs = rs->next) {
00158
00159 if ((GetRoadTypes(rs->xy) & v->compatible_roadtypes) == ROADTYPES_NONE) continue;
00160
00161 if (IsStandardRoadStopTile(rs->xy) && v->HasArticulatedPart()) continue;
00162
00163
00164 break;
00165 }
00166
00167 return rs;
00168 }
00169
00174 void Station::AddFacility(StationFacility new_facility_bit, TileIndex facil_xy)
00175 {
00176 if (this->facilities == FACIL_NONE) {
00177 this->xy = facil_xy;
00178 this->random_bits = Random();
00179 }
00180 this->facilities |= new_facility_bit;
00181 this->owner = _current_company;
00182 this->build_date = _date;
00183 }
00184
00190 void Station::MarkTilesDirty(bool cargo_change) const
00191 {
00192 TileIndex tile = this->train_station.tile;
00193 int w, h;
00194
00195 if (tile == INVALID_TILE) return;
00196
00197
00198
00199 if (cargo_change) {
00200
00201
00202
00203 if (this->num_specs == 0) return;
00204 }
00205
00206 for (h = 0; h < train_station.h; h++) {
00207 for (w = 0; w < train_station.w; w++) {
00208 if (this->TileBelongsToRailStation(tile)) {
00209 MarkTileDirtyByTile(tile);
00210 }
00211 tile += TileDiffXY(1, 0);
00212 }
00213 tile += TileDiffXY(-w, 1);
00214 }
00215 }
00216
00217 uint Station::GetPlatformLength(TileIndex tile) const
00218 {
00219 assert(this->TileBelongsToRailStation(tile));
00220
00221 TileIndexDiff delta = (GetRailStationAxis(tile) == AXIS_X ? TileDiffXY(1, 0) : TileDiffXY(0, 1));
00222
00223 TileIndex t = tile;
00224 uint len = 0;
00225 do {
00226 t -= delta;
00227 len++;
00228 } while (IsCompatibleTrainStationTile(t, tile));
00229
00230 t = tile;
00231 do {
00232 t += delta;
00233 len++;
00234 } while (IsCompatibleTrainStationTile(t, tile));
00235
00236 return len - 1;
00237 }
00238
00239 uint Station::GetPlatformLength(TileIndex tile, DiagDirection dir) const
00240 {
00241 TileIndex start_tile = tile;
00242 uint length = 0;
00243 assert(IsRailStationTile(tile));
00244 assert(dir < DIAGDIR_END);
00245
00246 do {
00247 length++;
00248 tile += TileOffsByDiagDir(dir);
00249 } while (IsCompatibleTrainStationTile(tile, start_tile));
00250
00251 return length;
00252 }
00253
00258 uint Station::GetCatchmentRadius() const
00259 {
00260 uint ret = CA_NONE;
00261
00262 if (_settings_game.station.modified_catchment) {
00263 if (this->bus_stops != NULL) ret = max<uint>(ret, CA_BUS);
00264 if (this->truck_stops != NULL) ret = max<uint>(ret, CA_TRUCK);
00265 if (this->train_station.tile != INVALID_TILE) ret = max<uint>(ret, CA_TRAIN);
00266 if (this->dock_tile != INVALID_TILE) ret = max<uint>(ret, CA_DOCK);
00267 if (this->airport.tile != INVALID_TILE) ret = max<uint>(ret, this->airport.GetSpec()->catchment);
00268 } else {
00269 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) {
00270 ret = CA_UNMODIFIED;
00271 }
00272 }
00273
00274 return ret;
00275 }
00276
00281 Rect Station::GetCatchmentRect() const
00282 {
00283 assert(!this->rect.IsEmpty());
00284
00285
00286 int catchment_radius = this->GetCatchmentRadius();
00287
00288 Rect ret = {
00289 max<int>(this->rect.left - catchment_radius, 0),
00290 max<int>(this->rect.top - catchment_radius, 0),
00291 min<int>(this->rect.right + catchment_radius, MapMaxX()),
00292 min<int>(this->rect.bottom + catchment_radius, MapMaxY())
00293 };
00294
00295 return ret;
00296 }
00297
00299 struct RectAndIndustryVector {
00300 Rect rect;
00301 IndustryVector *industries_near;
00302 };
00303
00312 static bool FindIndustryToDeliver(TileIndex ind_tile, void *user_data)
00313 {
00314
00315 if (!IsTileType(ind_tile, MP_INDUSTRY)) return false;
00316
00317 RectAndIndustryVector *riv = (RectAndIndustryVector *)user_data;
00318 Industry *ind = Industry::GetByTile(ind_tile);
00319
00320
00321 if (riv->industries_near->Contains(ind)) return false;
00322
00323
00324 int x = TileX(ind_tile);
00325 int y = TileY(ind_tile);
00326 if (x < riv->rect.left || x > riv->rect.right || y < riv->rect.top || y > riv->rect.bottom) return false;
00327
00328
00329 uint cargo_index;
00330 for (cargo_index = 0; cargo_index < lengthof(ind->accepts_cargo); cargo_index++) {
00331 if (ind->accepts_cargo[cargo_index] != CT_INVALID) break;
00332 }
00333 if (cargo_index >= lengthof(ind->accepts_cargo)) return false;
00334
00335 *riv->industries_near->Append() = ind;
00336
00337 return false;
00338 }
00339
00344 void Station::RecomputeIndustriesNear()
00345 {
00346 this->industries_near.Clear();
00347 if (this->rect.IsEmpty()) return;
00348
00349 RectAndIndustryVector riv = {
00350 this->GetCatchmentRect(),
00351 &this->industries_near
00352 };
00353
00354
00355 TileIndex start_tile = this->xy;
00356 uint max_radius = max(
00357 max(DistanceManhattan(start_tile, TileXY(riv.rect.left, riv.rect.top)), DistanceManhattan(start_tile, TileXY(riv.rect.left, riv.rect.bottom))),
00358 max(DistanceManhattan(start_tile, TileXY(riv.rect.right, riv.rect.top)), DistanceManhattan(start_tile, TileXY(riv.rect.right, riv.rect.bottom)))
00359 );
00360
00361 CircularTileSearch(&start_tile, 2 * max_radius + 1, &FindIndustryToDeliver, &riv);
00362 }
00363
00367 void Station::RecomputeIndustriesNearForAll()
00368 {
00369 Station *st;
00370 FOR_ALL_STATIONS(st) st->RecomputeIndustriesNear();
00371 }
00372
00373
00374
00375
00376
00377 StationRect::StationRect()
00378 {
00379 this->MakeEmpty();
00380 }
00381
00382 void StationRect::MakeEmpty()
00383 {
00384 this->left = this->top = this->right = this->bottom = 0;
00385 }
00386
00396 bool StationRect::PtInExtendedRect(int x, int y, int distance) const
00397 {
00398 return this->left - distance <= x && x <= this->right + distance &&
00399 this->top - distance <= y && y <= this->bottom + distance;
00400 }
00401
00402 bool StationRect::IsEmpty() const
00403 {
00404 return this->left == 0 || this->left > this->right || this->top > this->bottom;
00405 }
00406
00407 CommandCost StationRect::BeforeAddTile(TileIndex tile, StationRectMode mode)
00408 {
00409 int x = TileX(tile);
00410 int y = TileY(tile);
00411 if (this->IsEmpty()) {
00412
00413 if (mode != ADD_TEST) {
00414 this->left = this->right = x;
00415 this->top = this->bottom = y;
00416 }
00417 } else if (!this->PtInExtendedRect(x, y)) {
00418
00419
00420 Rect new_rect = {min(x, this->left), min(y, this->top), max(x, this->right), max(y, this->bottom)};
00421
00422
00423 int w = new_rect.right - new_rect.left + 1;
00424 int h = new_rect.bottom - new_rect.top + 1;
00425 if (mode != ADD_FORCE && (w > _settings_game.station.station_spread || h > _settings_game.station.station_spread)) {
00426 assert(mode != ADD_TRY);
00427 return_cmd_error(STR_ERROR_STATION_TOO_SPREAD_OUT);
00428 }
00429
00430
00431 if (mode != ADD_TEST) {
00432
00433 *this = new_rect;
00434 }
00435 } else {
00436 ;
00437 }
00438 return CommandCost();
00439 }
00440
00441 CommandCost StationRect::BeforeAddRect(TileIndex tile, int w, int h, StationRectMode mode)
00442 {
00443 if (mode == ADD_FORCE || (w <= _settings_game.station.station_spread && h <= _settings_game.station.station_spread)) {
00444
00445 CommandCost ret = this->BeforeAddTile(tile, mode);
00446 if (ret.Succeeded()) ret = this->BeforeAddTile(TILE_ADDXY(tile, w - 1, h - 1), mode);
00447 return ret;
00448 }
00449 return CommandCost();
00450 }
00451
00461 bool StationRect::ScanForStationTiles(StationID st_id, int left_a, int top_a, int right_a, int bottom_a)
00462 {
00463 TileArea ta(TileXY(left_a, top_a), TileXY(right_a, bottom_a));
00464 TILE_AREA_LOOP(tile, ta) {
00465 if (IsTileType(tile, MP_STATION) && GetStationIndex(tile) == st_id) return true;
00466 }
00467
00468 return false;
00469 }
00470
00471 bool StationRect::AfterRemoveTile(BaseStation *st, TileIndex tile)
00472 {
00473 int x = TileX(tile);
00474 int y = TileY(tile);
00475
00476
00477
00478
00479 for (;;) {
00480
00481 bool left_edge = (x == this->left);
00482 bool right_edge = (x == this->right);
00483 bool top_edge = (y == this->top);
00484 bool bottom_edge = (y == this->bottom);
00485
00486
00487 bool reduce_x = ((left_edge || right_edge) && !ScanForStationTiles(st->index, x, this->top, x, this->bottom));
00488 bool reduce_y = ((top_edge || bottom_edge) && !ScanForStationTiles(st->index, this->left, y, this->right, y));
00489 if (!(reduce_x || reduce_y)) break;
00490
00491 if (reduce_x) {
00492
00493 if (left_edge) {
00494
00495 this->left = x = x + 1;
00496 } else {
00497
00498 this->right = x = x - 1;
00499 }
00500 }
00501 if (reduce_y) {
00502
00503 if (top_edge) {
00504
00505 this->top = y = y + 1;
00506 } else {
00507
00508 this->bottom = y = y - 1;
00509 }
00510 }
00511
00512 if (left > right || top > bottom) {
00513
00514 this->MakeEmpty();
00515 return true;
00516 }
00517 }
00518 return false;
00519 }
00520
00521 bool StationRect::AfterRemoveRect(BaseStation *st, TileArea ta)
00522 {
00523 assert(this->PtInExtendedRect(TileX(ta.tile), TileY(ta.tile)));
00524 assert(this->PtInExtendedRect(TileX(ta.tile) + ta.w - 1, TileY(ta.tile) + ta.h - 1));
00525
00526 bool empty = this->AfterRemoveTile(st, ta.tile);
00527 if (ta.w != 1 || ta.h != 1) empty = empty || this->AfterRemoveTile(st, TILE_ADDXY(ta.tile, ta.w - 1, ta.h - 1));
00528 return empty;
00529 }
00530
00531 StationRect& StationRect::operator = (const Rect &src)
00532 {
00533 this->left = src.left;
00534 this->top = src.top;
00535 this->right = src.right;
00536 this->bottom = src.bottom;
00537 return *this;
00538 }
00539
00545 Money AirportMaintenanceCost(Owner owner)
00546 {
00547 Money total_cost = 0;
00548
00549 const Station *st;
00550 FOR_ALL_STATIONS(st) {
00551 if (st->owner == owner && (st->facilities & FACIL_AIRPORT)) {
00552 total_cost += _price[PR_INFRASTRUCTURE_AIRPORT] * st->airport.GetSpec()->maintenance_cost;
00553 }
00554 }
00555
00556 return total_cost >> 3;
00557 }