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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
00071 Station::~Station()
00072 {
00073 if (CleaningPool()) {
00074 for (CargoID c = 0; c < NUM_CARGO; c++) {
00075 this->goods[c].cargo.OnCleanPool();
00076 }
00077 return;
00078 }
00079
00080 while (!this->loading_vehicles.empty()) {
00081 this->loading_vehicles.front()->LeaveStation();
00082 }
00083
00084 Aircraft *a;
00085 FOR_ALL_AIRCRAFT(a) {
00086 if (!a->IsNormalAircraft()) continue;
00087 if (a->targetairport == this->index) a->targetairport = INVALID_STATION;
00088 }
00089
00090 Vehicle *v;
00091 FOR_ALL_VEHICLES(v) {
00092
00093 if (v->last_station_visited == this->index) {
00094 v->last_station_visited = INVALID_STATION;
00095 }
00096 }
00097
00098
00099 delete this->airport.psa;
00100
00101 if (this->owner == OWNER_NONE) {
00102
00103 InvalidateWindowClassesData(WC_STATION_LIST, 0);
00104 } else {
00105 InvalidateWindowData(WC_STATION_LIST, this->owner, 0);
00106 }
00107
00108 DeleteWindowById(WC_STATION_VIEW, index);
00109
00110
00111 RemoveOrderFromAllVehicles(OT_GOTO_STATION, this->index);
00112
00113
00114 DeleteStationNews(this->index);
00115
00116 for (CargoID c = 0; c < NUM_CARGO; c++) {
00117 this->goods[c].cargo.Truncate(0);
00118 }
00119
00120 CargoPacket::InvalidateAllFrom(this->index);
00121 }
00122
00123
00129 void BaseStation::PostDestructor(size_t index)
00130 {
00131 InvalidateWindowData(WC_SELECT_STATION, 0, 0);
00132 }
00133
00139 RoadStop *Station::GetPrimaryRoadStop(const RoadVehicle *v) const
00140 {
00141 RoadStop *rs = this->GetPrimaryRoadStop(v->IsBus() ? ROADSTOP_BUS : ROADSTOP_TRUCK);
00142
00143 for (; rs != NULL; rs = rs->next) {
00144
00145 if ((GetRoadTypes(rs->xy) & v->compatible_roadtypes) == ROADTYPES_NONE) continue;
00146
00147 if (IsStandardRoadStopTile(rs->xy) && v->HasArticulatedPart()) continue;
00148
00149
00150 break;
00151 }
00152
00153 return rs;
00154 }
00155
00160 void Station::AddFacility(StationFacility new_facility_bit, TileIndex facil_xy)
00161 {
00162 if (this->facilities == FACIL_NONE) {
00163 this->xy = facil_xy;
00164 this->random_bits = Random();
00165 }
00166 this->facilities |= new_facility_bit;
00167 this->owner = _current_company;
00168 this->build_date = _date;
00169 }
00170
00176 void Station::MarkTilesDirty(bool cargo_change) const
00177 {
00178 TileIndex tile = this->train_station.tile;
00179 int w, h;
00180
00181 if (tile == INVALID_TILE) return;
00182
00183
00184
00185 if (cargo_change) {
00186
00187
00188
00189 if (this->num_specs == 0) return;
00190 }
00191
00192 for (h = 0; h < train_station.h; h++) {
00193 for (w = 0; w < train_station.w; w++) {
00194 if (this->TileBelongsToRailStation(tile)) {
00195 MarkTileDirtyByTile(tile);
00196 }
00197 tile += TileDiffXY(1, 0);
00198 }
00199 tile += TileDiffXY(-w, 1);
00200 }
00201 }
00202
00203 uint Station::GetPlatformLength(TileIndex tile) const
00204 {
00205 assert(this->TileBelongsToRailStation(tile));
00206
00207 TileIndexDiff delta = (GetRailStationAxis(tile) == AXIS_X ? TileDiffXY(1, 0) : TileDiffXY(0, 1));
00208
00209 TileIndex t = tile;
00210 uint len = 0;
00211 do {
00212 t -= delta;
00213 len++;
00214 } while (IsCompatibleTrainStationTile(t, tile));
00215
00216 t = tile;
00217 do {
00218 t += delta;
00219 len++;
00220 } while (IsCompatibleTrainStationTile(t, tile));
00221
00222 return len - 1;
00223 }
00224
00225 uint Station::GetPlatformLength(TileIndex tile, DiagDirection dir) const
00226 {
00227 TileIndex start_tile = tile;
00228 uint length = 0;
00229 assert(IsRailStationTile(tile));
00230 assert(dir < DIAGDIR_END);
00231
00232 do {
00233 length++;
00234 tile += TileOffsByDiagDir(dir);
00235 } while (IsCompatibleTrainStationTile(tile, start_tile));
00236
00237 return length;
00238 }
00239
00244 uint Station::GetCatchmentRadius() const
00245 {
00246 uint ret = CA_NONE;
00247
00248 if (_settings_game.station.modified_catchment) {
00249 if (this->bus_stops != NULL) ret = max<uint>(ret, CA_BUS);
00250 if (this->truck_stops != NULL) ret = max<uint>(ret, CA_TRUCK);
00251 if (this->train_station.tile != INVALID_TILE) ret = max<uint>(ret, CA_TRAIN);
00252 if (this->dock_tile != INVALID_TILE) ret = max<uint>(ret, CA_DOCK);
00253 if (this->airport.tile != INVALID_TILE) ret = max<uint>(ret, this->airport.GetSpec()->catchment);
00254 } else {
00255 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) {
00256 ret = CA_UNMODIFIED;
00257 }
00258 }
00259
00260 return ret;
00261 }
00262
00267 Rect Station::GetCatchmentRect() const
00268 {
00269 assert(!this->rect.IsEmpty());
00270
00271
00272 int catchment_radius = this->GetCatchmentRadius();
00273
00274 Rect ret = {
00275 max<int>(this->rect.left - catchment_radius, 0),
00276 max<int>(this->rect.top - catchment_radius, 0),
00277 min<int>(this->rect.right + catchment_radius, MapMaxX()),
00278 min<int>(this->rect.bottom + catchment_radius, MapMaxY())
00279 };
00280
00281 return ret;
00282 }
00283
00285 struct RectAndIndustryVector {
00286 Rect rect;
00287 IndustryVector *industries_near;
00288 };
00289
00298 static bool FindIndustryToDeliver(TileIndex ind_tile, void *user_data)
00299 {
00300
00301 if (!IsTileType(ind_tile, MP_INDUSTRY)) return false;
00302
00303 RectAndIndustryVector *riv = (RectAndIndustryVector *)user_data;
00304 Industry *ind = Industry::GetByTile(ind_tile);
00305
00306
00307 if (riv->industries_near->Contains(ind)) return false;
00308
00309
00310 int x = TileX(ind_tile);
00311 int y = TileY(ind_tile);
00312 if (x < riv->rect.left || x > riv->rect.right || y < riv->rect.top || y > riv->rect.bottom) return false;
00313
00314
00315 uint cargo_index;
00316 for (cargo_index = 0; cargo_index < lengthof(ind->accepts_cargo); cargo_index++) {
00317 if (ind->accepts_cargo[cargo_index] != CT_INVALID) break;
00318 }
00319 if (cargo_index >= lengthof(ind->accepts_cargo)) return false;
00320
00321 *riv->industries_near->Append() = ind;
00322
00323 return false;
00324 }
00325
00330 void Station::RecomputeIndustriesNear()
00331 {
00332 this->industries_near.Clear();
00333 if (this->rect.IsEmpty()) return;
00334
00335 RectAndIndustryVector riv = {
00336 this->GetCatchmentRect(),
00337 &this->industries_near
00338 };
00339
00340
00341 TileIndex start_tile = this->xy;
00342 uint max_radius = max(
00343 max(DistanceManhattan(start_tile, TileXY(riv.rect.left, riv.rect.top)), DistanceManhattan(start_tile, TileXY(riv.rect.left, riv.rect.bottom))),
00344 max(DistanceManhattan(start_tile, TileXY(riv.rect.right, riv.rect.top)), DistanceManhattan(start_tile, TileXY(riv.rect.right, riv.rect.bottom)))
00345 );
00346
00347 CircularTileSearch(&start_tile, 2 * max_radius + 1, &FindIndustryToDeliver, &riv);
00348 }
00349
00353 void Station::RecomputeIndustriesNearForAll()
00354 {
00355 Station *st;
00356 FOR_ALL_STATIONS(st) st->RecomputeIndustriesNear();
00357 }
00358
00359
00360
00361
00362
00363 StationRect::StationRect()
00364 {
00365 this->MakeEmpty();
00366 }
00367
00368 void StationRect::MakeEmpty()
00369 {
00370 this->left = this->top = this->right = this->bottom = 0;
00371 }
00372
00382 bool StationRect::PtInExtendedRect(int x, int y, int distance) const
00383 {
00384 return this->left - distance <= x && x <= this->right + distance &&
00385 this->top - distance <= y && y <= this->bottom + distance;
00386 }
00387
00388 bool StationRect::IsEmpty() const
00389 {
00390 return this->left == 0 || this->left > this->right || this->top > this->bottom;
00391 }
00392
00393 CommandCost StationRect::BeforeAddTile(TileIndex tile, StationRectMode mode)
00394 {
00395 int x = TileX(tile);
00396 int y = TileY(tile);
00397 if (this->IsEmpty()) {
00398
00399 if (mode != ADD_TEST) {
00400 this->left = this->right = x;
00401 this->top = this->bottom = y;
00402 }
00403 } else if (!this->PtInExtendedRect(x, y)) {
00404
00405
00406 Rect new_rect = {min(x, this->left), min(y, this->top), max(x, this->right), max(y, this->bottom)};
00407
00408
00409 int w = new_rect.right - new_rect.left + 1;
00410 int h = new_rect.bottom - new_rect.top + 1;
00411 if (mode != ADD_FORCE && (w > _settings_game.station.station_spread || h > _settings_game.station.station_spread)) {
00412 assert(mode != ADD_TRY);
00413 return_cmd_error(STR_ERROR_STATION_TOO_SPREAD_OUT);
00414 }
00415
00416
00417 if (mode != ADD_TEST) {
00418
00419 *this = new_rect;
00420 }
00421 } else {
00422 ;
00423 }
00424 return CommandCost();
00425 }
00426
00427 CommandCost StationRect::BeforeAddRect(TileIndex tile, int w, int h, StationRectMode mode)
00428 {
00429 if (mode == ADD_FORCE || (w <= _settings_game.station.station_spread && h <= _settings_game.station.station_spread)) {
00430
00431 CommandCost ret = this->BeforeAddTile(tile, mode);
00432 if (ret.Succeeded()) ret = this->BeforeAddTile(TILE_ADDXY(tile, w - 1, h - 1), mode);
00433 return ret;
00434 }
00435 return CommandCost();
00436 }
00437
00447 bool StationRect::ScanForStationTiles(StationID st_id, int left_a, int top_a, int right_a, int bottom_a)
00448 {
00449 TileArea ta(TileXY(left_a, top_a), TileXY(right_a, bottom_a));
00450 TILE_AREA_LOOP(tile, ta) {
00451 if (IsTileType(tile, MP_STATION) && GetStationIndex(tile) == st_id) return true;
00452 }
00453
00454 return false;
00455 }
00456
00457 bool StationRect::AfterRemoveTile(BaseStation *st, TileIndex tile)
00458 {
00459 int x = TileX(tile);
00460 int y = TileY(tile);
00461
00462
00463
00464
00465 for (;;) {
00466
00467 bool left_edge = (x == this->left);
00468 bool right_edge = (x == this->right);
00469 bool top_edge = (y == this->top);
00470 bool bottom_edge = (y == this->bottom);
00471
00472
00473 bool reduce_x = ((left_edge || right_edge) && !ScanForStationTiles(st->index, x, this->top, x, this->bottom));
00474 bool reduce_y = ((top_edge || bottom_edge) && !ScanForStationTiles(st->index, this->left, y, this->right, y));
00475 if (!(reduce_x || reduce_y)) break;
00476
00477 if (reduce_x) {
00478
00479 if (left_edge) {
00480
00481 this->left = x = x + 1;
00482 } else {
00483
00484 this->right = x = x - 1;
00485 }
00486 }
00487 if (reduce_y) {
00488
00489 if (top_edge) {
00490
00491 this->top = y = y + 1;
00492 } else {
00493
00494 this->bottom = y = y - 1;
00495 }
00496 }
00497
00498 if (left > right || top > bottom) {
00499
00500 this->MakeEmpty();
00501 return true;
00502 }
00503 }
00504 return false;
00505 }
00506
00507 bool StationRect::AfterRemoveRect(BaseStation *st, TileArea ta)
00508 {
00509 assert(this->PtInExtendedRect(TileX(ta.tile), TileY(ta.tile)));
00510 assert(this->PtInExtendedRect(TileX(ta.tile) + ta.w - 1, TileY(ta.tile) + ta.h - 1));
00511
00512 bool empty = this->AfterRemoveTile(st, ta.tile);
00513 if (ta.w != 1 || ta.h != 1) empty = empty || this->AfterRemoveTile(st, TILE_ADDXY(ta.tile, ta.w - 1, ta.h - 1));
00514 return empty;
00515 }
00516
00517 StationRect& StationRect::operator = (const Rect &src)
00518 {
00519 this->left = src.left;
00520 this->top = src.top;
00521 this->right = src.right;
00522 this->bottom = src.bottom;
00523 return *this;
00524 }
00525
00531 Money AirportMaintenanceCost(Owner owner)
00532 {
00533 Money total_cost = 0;
00534
00535 const Station *st;
00536 FOR_ALL_STATIONS(st) {
00537 if (st->owner == owner && (st->facilities & FACIL_AIRPORT)) {
00538 total_cost += _price[PR_INFRASTRUCTURE_AIRPORT] * st->airport.GetSpec()->maintenance_cost;
00539 }
00540 }
00541
00542 return total_cost >> 3;
00543 }