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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 "window_func.h"
00018 #include "date_func.h"
00019 #include "command_func.h"
00020 #include "news_func.h"
00021 #include "aircraft.h"
00022 #include "vehiclelist.h"
00023 #include "core/pool_func.hpp"
00024 #include "station_base.h"
00025 #include "roadstop_base.h"
00026 #include "industry.h"
00027 #include "core/random_func.hpp"
00028
00029 #include "table/strings.h"
00030
00032 StationPool _station_pool("Station");
00033 INSTANTIATE_POOL_METHODS(Station)
00034
00035 BaseStation::~BaseStation()
00036 {
00037 free(this->name);
00038 free(this->speclist);
00039
00040 if (CleaningPool()) return;
00041
00042 Owner owner = this->owner;
00043 if (!Company::IsValidID(owner)) owner = _local_company;
00044 if (!Company::IsValidID(owner)) return;
00045 DeleteWindowById(WC_TRAINS_LIST, VehicleListIdentifier(VL_STATION_LIST, VEH_TRAIN, owner, this->index).Pack());
00046 DeleteWindowById(WC_ROADVEH_LIST, VehicleListIdentifier(VL_STATION_LIST, VEH_ROAD, owner, this->index).Pack());
00047 DeleteWindowById(WC_SHIPS_LIST, VehicleListIdentifier(VL_STATION_LIST, VEH_SHIP, owner, this->index).Pack());
00048 DeleteWindowById(WC_AIRCRAFT_LIST, VehicleListIdentifier(VL_STATION_LIST, VEH_AIRCRAFT, owner, this->index).Pack());
00049
00050 this->sign.MarkDirty();
00051 }
00052
00053 Station::Station(TileIndex tile) :
00054 SpecializedStation<Station, false>(tile),
00055 bus_station(INVALID_TILE, 0, 0),
00056 truck_station(INVALID_TILE, 0, 0),
00057 dock_tile(INVALID_TILE),
00058 indtype(IT_INVALID),
00059 time_since_load(255),
00060 time_since_unload(255),
00061 last_vehicle_type(VEH_INVALID)
00062 {
00063
00064
00065
00066 for (CargoID i = 0; i < NUM_CARGO; ++i) {
00067 this->goods[i].cargo.AssignTo(this, i);
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 Station *st;
00098 FOR_ALL_STATIONS(st) {
00099 for (CargoID c = 0; c < NUM_CARGO; ++c) {
00100 GoodsEntry &ge = st->goods[c];
00101 ge.link_stats.erase(this->index);
00102 DeleteStaleFlows(st->index, c, this->index);
00103 ge.cargo.RerouteStalePackets(this->index);
00104 }
00105 }
00106
00107 Vehicle *v;
00108 FOR_ALL_VEHICLES(v) {
00109
00110 if (v->last_station_visited == this->index) {
00111 v->last_station_visited = INVALID_STATION;
00112 }
00113
00114 if (v->last_loading_station == this->index) {
00115 v->last_loading_station = INVALID_STATION;
00116 }
00117 }
00118
00119 InvalidateWindowData(WC_STATION_LIST, this->owner, 0);
00120
00121 DeleteWindowById(WC_STATION_VIEW, index);
00122
00123
00124 RemoveOrderFromAllVehicles(OT_GOTO_STATION, this->index);
00125
00126
00127 DeleteStationNews(this->index);
00128
00129 for (CargoID c = 0; c < NUM_CARGO; c++) {
00130 this->goods[c].cargo.Truncate(0);
00131 }
00132
00133 CargoPacket::InvalidateAllFrom(this->index);
00134 }
00135
00136
00142 void BaseStation::PostDestructor(size_t index)
00143 {
00144 InvalidateWindowData(WC_SELECT_STATION, 0, 0);
00145 }
00146
00152 RoadStop *Station::GetPrimaryRoadStop(const RoadVehicle *v) const
00153 {
00154 RoadStop *rs = this->GetPrimaryRoadStop(v->IsBus() ? ROADSTOP_BUS : ROADSTOP_TRUCK);
00155
00156 for (; rs != NULL; rs = rs->next) {
00157
00158 if ((GetRoadTypes(rs->xy) & v->compatible_roadtypes) == ROADTYPES_NONE) continue;
00159
00160 if (IsStandardRoadStopTile(rs->xy) && v->HasArticulatedPart()) continue;
00161
00162
00163 break;
00164 }
00165
00166 return rs;
00167 }
00168
00173 void Station::AddFacility(StationFacility new_facility_bit, TileIndex facil_xy)
00174 {
00175 if (this->facilities == FACIL_NONE) {
00176 this->xy = facil_xy;
00177 this->random_bits = Random();
00178 }
00179 this->facilities |= new_facility_bit;
00180 this->owner = _current_company;
00181 this->build_date = _date;
00182 }
00183
00189 void Station::MarkTilesDirty(bool cargo_change) const
00190 {
00191 TileIndex tile = this->train_station.tile;
00192 int w, h;
00193
00194 if (tile == INVALID_TILE) return;
00195
00196
00197
00198 if (cargo_change) {
00199
00200
00201
00202 if (this->num_specs == 0) return;
00203 }
00204
00205 for (h = 0; h < train_station.h; h++) {
00206 for (w = 0; w < train_station.w; w++) {
00207 if (this->TileBelongsToRailStation(tile)) {
00208 MarkTileDirtyByTile(tile);
00209 }
00210 tile += TileDiffXY(1, 0);
00211 }
00212 tile += TileDiffXY(-w, 1);
00213 }
00214 }
00215
00216 uint Station::GetPlatformLength(TileIndex tile) const
00217 {
00218 assert(this->TileBelongsToRailStation(tile));
00219
00220 TileIndexDiff delta = (GetRailStationAxis(tile) == AXIS_X ? TileDiffXY(1, 0) : TileDiffXY(0, 1));
00221
00222 TileIndex t = tile;
00223 uint len = 0;
00224 do {
00225 t -= delta;
00226 len++;
00227 } while (IsCompatibleTrainStationTile(t, tile));
00228
00229 t = tile;
00230 do {
00231 t += delta;
00232 len++;
00233 } while (IsCompatibleTrainStationTile(t, tile));
00234
00235 return len - 1;
00236 }
00237
00238 uint Station::GetPlatformLength(TileIndex tile, DiagDirection dir) const
00239 {
00240 TileIndex start_tile = tile;
00241 uint length = 0;
00242 assert(IsRailStationTile(tile));
00243 assert(dir < DIAGDIR_END);
00244
00245 do {
00246 length++;
00247 tile += TileOffsByDiagDir(dir);
00248 } while (IsCompatibleTrainStationTile(tile, start_tile));
00249
00250 return length;
00251 }
00252
00257 uint Station::GetCatchmentRadius() const
00258 {
00259 uint ret = CA_NONE;
00260
00261 if (_settings_game.station.modified_catchment) {
00262 if (this->bus_stops != NULL) ret = max<uint>(ret, CA_BUS);
00263 if (this->truck_stops != NULL) ret = max<uint>(ret, CA_TRUCK);
00264 if (this->train_station.tile != INVALID_TILE) ret = max<uint>(ret, CA_TRAIN);
00265 if (this->dock_tile != INVALID_TILE) ret = max<uint>(ret, CA_DOCK);
00266 if (this->airport.tile != INVALID_TILE) ret = max<uint>(ret, this->airport.GetSpec()->catchment);
00267 } else {
00268 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) {
00269 ret = CA_UNMODIFIED;
00270 }
00271 }
00272
00273 return ret;
00274 }
00275
00280 Rect Station::GetCatchmentRect() const
00281 {
00282 assert(!this->rect.IsEmpty());
00283
00284
00285 int catchment_radius = this->GetCatchmentRadius();
00286
00287 Rect ret = {
00288 max<int>(this->rect.left - catchment_radius, 0),
00289 max<int>(this->rect.top - catchment_radius, 0),
00290 min<int>(this->rect.right + catchment_radius, MapMaxX()),
00291 min<int>(this->rect.bottom + catchment_radius, MapMaxY())
00292 };
00293
00294 return ret;
00295 }
00296
00298 struct RectAndIndustryVector {
00299 Rect rect;
00300 IndustryVector *industries_near;
00301 };
00302
00311 static bool FindIndustryToDeliver(TileIndex ind_tile, void *user_data)
00312 {
00313
00314 if (!IsTileType(ind_tile, MP_INDUSTRY)) return false;
00315
00316 RectAndIndustryVector *riv = (RectAndIndustryVector *)user_data;
00317 Industry *ind = Industry::GetByTile(ind_tile);
00318
00319
00320 if (riv->industries_near->Contains(ind)) return false;
00321
00322
00323 int x = TileX(ind_tile);
00324 int y = TileY(ind_tile);
00325 if (x < riv->rect.left || x > riv->rect.right || y < riv->rect.top || y > riv->rect.bottom) return false;
00326
00327
00328 uint cargo_index;
00329 for (cargo_index = 0; cargo_index < lengthof(ind->accepts_cargo); cargo_index++) {
00330 if (ind->accepts_cargo[cargo_index] != CT_INVALID) break;
00331 }
00332 if (cargo_index >= lengthof(ind->accepts_cargo)) return false;
00333
00334 *riv->industries_near->Append() = ind;
00335
00336 return false;
00337 }
00338
00343 void Station::RecomputeIndustriesNear()
00344 {
00345 this->industries_near.Clear();
00346 if (this->rect.IsEmpty()) return;
00347
00348 RectAndIndustryVector riv = {
00349 this->GetCatchmentRect(),
00350 &this->industries_near
00351 };
00352
00353
00354 TileIndex start_tile = this->xy;
00355 uint max_radius = max(
00356 max(DistanceManhattan(start_tile, TileXY(riv.rect.left, riv.rect.top)), DistanceManhattan(start_tile, TileXY(riv.rect.left, riv.rect.bottom))),
00357 max(DistanceManhattan(start_tile, TileXY(riv.rect.right, riv.rect.top)), DistanceManhattan(start_tile, TileXY(riv.rect.right, riv.rect.bottom)))
00358 );
00359
00360 CircularTileSearch(&start_tile, 2 * max_radius + 1, &FindIndustryToDeliver, &riv);
00361 }
00362
00366 void Station::RecomputeIndustriesNearForAll()
00367 {
00368 Station *st;
00369 FOR_ALL_STATIONS(st) st->RecomputeIndustriesNear();
00370 }
00371
00372
00373
00374
00375
00376 StationRect::StationRect()
00377 {
00378 this->MakeEmpty();
00379 }
00380
00381 void StationRect::MakeEmpty()
00382 {
00383 this->left = this->top = this->right = this->bottom = 0;
00384 }
00385
00395 bool StationRect::PtInExtendedRect(int x, int y, int distance) const
00396 {
00397 return this->left - distance <= x && x <= this->right + distance &&
00398 this->top - distance <= y && y <= this->bottom + distance;
00399 }
00400
00401 bool StationRect::IsEmpty() const
00402 {
00403 return this->left == 0 || this->left > this->right || this->top > this->bottom;
00404 }
00405
00406 CommandCost StationRect::BeforeAddTile(TileIndex tile, StationRectMode mode)
00407 {
00408 int x = TileX(tile);
00409 int y = TileY(tile);
00410 if (this->IsEmpty()) {
00411
00412 if (mode != ADD_TEST) {
00413 this->left = this->right = x;
00414 this->top = this->bottom = y;
00415 }
00416 } else if (!this->PtInExtendedRect(x, y)) {
00417
00418
00419 Rect new_rect = {min(x, this->left), min(y, this->top), max(x, this->right), max(y, this->bottom)};
00420
00421
00422 int w = new_rect.right - new_rect.left + 1;
00423 int h = new_rect.bottom - new_rect.top + 1;
00424 if (mode != ADD_FORCE && (w > _settings_game.station.station_spread || h > _settings_game.station.station_spread)) {
00425 assert(mode != ADD_TRY);
00426 return_cmd_error(STR_ERROR_STATION_TOO_SPREAD_OUT);
00427 }
00428
00429
00430 if (mode != ADD_TEST) {
00431
00432 *this = new_rect;
00433 }
00434 } else {
00435 ;
00436 }
00437 return CommandCost();
00438 }
00439
00440 CommandCost StationRect::BeforeAddRect(TileIndex tile, int w, int h, StationRectMode mode)
00441 {
00442 if (mode == ADD_FORCE || (w <= _settings_game.station.station_spread && h <= _settings_game.station.station_spread)) {
00443
00444 CommandCost ret = this->BeforeAddTile(tile, mode);
00445 if (ret.Succeeded()) ret = this->BeforeAddTile(TILE_ADDXY(tile, w - 1, h - 1), mode);
00446 return ret;
00447 }
00448 return CommandCost();
00449 }
00450
00460 bool StationRect::ScanForStationTiles(StationID st_id, int left_a, int top_a, int right_a, int bottom_a)
00461 {
00462 TileArea ta(TileXY(left_a, top_a), TileXY(right_a, bottom_a));
00463 TILE_AREA_LOOP(tile, ta) {
00464 if (IsTileType(tile, MP_STATION) && GetStationIndex(tile) == st_id) return true;
00465 }
00466
00467 return false;
00468 }
00469
00470 bool StationRect::AfterRemoveTile(BaseStation *st, TileIndex tile)
00471 {
00472 int x = TileX(tile);
00473 int y = TileY(tile);
00474
00475
00476
00477
00478 for (;;) {
00479
00480 bool left_edge = (x == this->left);
00481 bool right_edge = (x == this->right);
00482 bool top_edge = (y == this->top);
00483 bool bottom_edge = (y == this->bottom);
00484
00485
00486 bool reduce_x = ((left_edge || right_edge) && !ScanForStationTiles(st->index, x, this->top, x, this->bottom));
00487 bool reduce_y = ((top_edge || bottom_edge) && !ScanForStationTiles(st->index, this->left, y, this->right, y));
00488 if (!(reduce_x || reduce_y)) break;
00489
00490 if (reduce_x) {
00491
00492 if (left_edge) {
00493
00494 this->left = x = x + 1;
00495 } else {
00496
00497 this->right = x = x - 1;
00498 }
00499 }
00500 if (reduce_y) {
00501
00502 if (top_edge) {
00503
00504 this->top = y = y + 1;
00505 } else {
00506
00507 this->bottom = y = y - 1;
00508 }
00509 }
00510
00511 if (left > right || top > bottom) {
00512
00513 this->MakeEmpty();
00514 return true;
00515 }
00516 }
00517 return false;
00518 }
00519
00520 bool StationRect::AfterRemoveRect(BaseStation *st, TileArea ta)
00521 {
00522 assert(this->PtInExtendedRect(TileX(ta.tile), TileY(ta.tile)));
00523 assert(this->PtInExtendedRect(TileX(ta.tile) + ta.w - 1, TileY(ta.tile) + ta.h - 1));
00524
00525 bool empty = this->AfterRemoveTile(st, ta.tile);
00526 if (ta.w != 1 || ta.h != 1) empty = empty || this->AfterRemoveTile(st, TILE_ADDXY(ta.tile, ta.w - 1, ta.h - 1));
00527 return empty;
00528 }
00529
00530 StationRect& StationRect::operator = (const Rect &src)
00531 {
00532 this->left = src.left;
00533 this->top = src.top;
00534 this->right = src.right;
00535 this->bottom = src.bottom;
00536 return *this;
00537 }