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00012 #include "stdafx.h"
00013 #include "company_func.h"
00014 #include "company_base.h"
00015 #include "roadveh.h"
00016 #include "functions.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
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()) return;
00074
00075 while (!this->loading_vehicles.empty()) {
00076 this->loading_vehicles.front()->LeaveStation();
00077 }
00078
00079 Aircraft *a;
00080 FOR_ALL_AIRCRAFT(a) {
00081 if (!a->IsNormalAircraft()) continue;
00082 if (a->targetairport == this->index) a->targetairport = INVALID_STATION;
00083 }
00084
00085 Vehicle *v;
00086 FOR_ALL_VEHICLES(v) {
00087
00088 if (v->last_station_visited == this->index) {
00089 v->last_station_visited = INVALID_STATION;
00090 }
00091 }
00092
00093 InvalidateWindowData(WC_STATION_LIST, this->owner, 0);
00094
00095 DeleteWindowById(WC_STATION_VIEW, index);
00096
00097
00098 RemoveOrderFromAllVehicles(OT_GOTO_STATION, this->index);
00099
00100
00101 DeleteStationNews(this->index);
00102
00103 for (CargoID c = 0; c < NUM_CARGO; c++) {
00104 this->goods[c].cargo.Truncate(0);
00105 }
00106
00107 CargoPacket::InvalidateAllFrom(this->index);
00108 }
00109
00110
00116 void BaseStation::PostDestructor(size_t index)
00117 {
00118 InvalidateWindowData(WC_SELECT_STATION, 0, 0);
00119 }
00120
00126 RoadStop *Station::GetPrimaryRoadStop(const RoadVehicle *v) const
00127 {
00128 RoadStop *rs = this->GetPrimaryRoadStop(v->IsBus() ? ROADSTOP_BUS : ROADSTOP_TRUCK);
00129
00130 for (; rs != NULL; rs = rs->next) {
00131
00132 if ((GetRoadTypes(rs->xy) & v->compatible_roadtypes) == ROADTYPES_NONE) continue;
00133
00134 if (IsStandardRoadStopTile(rs->xy) && v->HasArticulatedPart()) continue;
00135
00136
00137 break;
00138 }
00139
00140 return rs;
00141 }
00142
00147 void Station::AddFacility(StationFacility new_facility_bit, TileIndex facil_xy)
00148 {
00149 if (this->facilities == FACIL_NONE) {
00150 this->xy = facil_xy;
00151 this->random_bits = Random();
00152 }
00153 this->facilities |= new_facility_bit;
00154 this->owner = _current_company;
00155 this->build_date = _date;
00156 }
00157
00158 void Station::MarkTilesDirty(bool cargo_change) const
00159 {
00160 TileIndex tile = this->train_station.tile;
00161 int w, h;
00162
00163 if (tile == INVALID_TILE) return;
00164
00165
00166
00167 if (cargo_change) {
00168
00169
00170
00171 if (this->num_specs == 0) return;
00172 }
00173
00174 for (h = 0; h < train_station.h; h++) {
00175 for (w = 0; w < train_station.w; w++) {
00176 if (this->TileBelongsToRailStation(tile)) {
00177 MarkTileDirtyByTile(tile);
00178 }
00179 tile += TileDiffXY(1, 0);
00180 }
00181 tile += TileDiffXY(-w, 1);
00182 }
00183 }
00184
00185 uint Station::GetPlatformLength(TileIndex tile) const
00186 {
00187 assert(this->TileBelongsToRailStation(tile));
00188
00189 TileIndexDiff delta = (GetRailStationAxis(tile) == AXIS_X ? TileDiffXY(1, 0) : TileDiffXY(0, 1));
00190
00191 TileIndex t = tile;
00192 uint len = 0;
00193 do {
00194 t -= delta;
00195 len++;
00196 } while (IsCompatibleTrainStationTile(t, tile));
00197
00198 t = tile;
00199 do {
00200 t += delta;
00201 len++;
00202 } while (IsCompatibleTrainStationTile(t, tile));
00203
00204 return len - 1;
00205 }
00206
00207 uint Station::GetPlatformLength(TileIndex tile, DiagDirection dir) const
00208 {
00209 TileIndex start_tile = tile;
00210 uint length = 0;
00211 assert(IsRailStationTile(tile));
00212 assert(dir < DIAGDIR_END);
00213
00214 do {
00215 length++;
00216 tile += TileOffsByDiagDir(dir);
00217 } while (IsCompatibleTrainStationTile(tile, start_tile));
00218
00219 return length;
00220 }
00221
00226 uint Station::GetCatchmentRadius() const
00227 {
00228 uint ret = CA_NONE;
00229
00230 if (_settings_game.station.modified_catchment) {
00231 if (this->bus_stops != NULL) ret = max<uint>(ret, CA_BUS);
00232 if (this->truck_stops != NULL) ret = max<uint>(ret, CA_TRUCK);
00233 if (this->train_station.tile != INVALID_TILE) ret = max<uint>(ret, CA_TRAIN);
00234 if (this->dock_tile != INVALID_TILE) ret = max<uint>(ret, CA_DOCK);
00235 if (this->airport.tile != INVALID_TILE) ret = max<uint>(ret, this->airport.GetSpec()->catchment);
00236 } else {
00237 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) {
00238 ret = CA_UNMODIFIED;
00239 }
00240 }
00241
00242 return ret;
00243 }
00244
00249 Rect Station::GetCatchmentRect() const
00250 {
00251 assert(!this->rect.IsEmpty());
00252
00253
00254 int catchment_radius = this->GetCatchmentRadius();
00255
00256 Rect ret = {
00257 max<int>(this->rect.left - catchment_radius, 0),
00258 max<int>(this->rect.top - catchment_radius, 0),
00259 min<int>(this->rect.right + catchment_radius, MapMaxX()),
00260 min<int>(this->rect.bottom + catchment_radius, MapMaxY())
00261 };
00262
00263 return ret;
00264 }
00265
00267 struct RectAndIndustryVector {
00268 Rect rect;
00269 IndustryVector *industries_near;
00270 };
00271
00280 static bool FindIndustryToDeliver(TileIndex ind_tile, void *user_data)
00281 {
00282
00283 if (!IsTileType(ind_tile, MP_INDUSTRY)) return false;
00284
00285 RectAndIndustryVector *riv = (RectAndIndustryVector *)user_data;
00286 Industry *ind = Industry::GetByTile(ind_tile);
00287
00288
00289 if (riv->industries_near->Contains(ind)) return false;
00290
00291
00292 int x = TileX(ind_tile);
00293 int y = TileY(ind_tile);
00294 if (x < riv->rect.left || x > riv->rect.right || y < riv->rect.top || y > riv->rect.bottom) return false;
00295
00296
00297 uint cargo_index;
00298 for (cargo_index = 0; cargo_index < lengthof(ind->accepts_cargo); cargo_index++) {
00299 if (ind->accepts_cargo[cargo_index] != CT_INVALID) break;
00300 }
00301 if (cargo_index >= lengthof(ind->accepts_cargo)) return false;
00302
00303 *riv->industries_near->Append() = ind;
00304
00305 return false;
00306 }
00307
00312 void Station::RecomputeIndustriesNear()
00313 {
00314 this->industries_near.Clear();
00315 if (this->rect.IsEmpty()) return;
00316
00317 RectAndIndustryVector riv = {
00318 this->GetCatchmentRect(),
00319 &this->industries_near
00320 };
00321
00322
00323 TileIndex start_tile = this->xy;
00324 uint max_radius = max(
00325 max(DistanceManhattan(start_tile, TileXY(riv.rect.left, riv.rect.top)), DistanceManhattan(start_tile, TileXY(riv.rect.left, riv.rect.bottom))),
00326 max(DistanceManhattan(start_tile, TileXY(riv.rect.right, riv.rect.top)), DistanceManhattan(start_tile, TileXY(riv.rect.right, riv.rect.bottom)))
00327 );
00328
00329 CircularTileSearch(&start_tile, 2 * max_radius + 1, &FindIndustryToDeliver, &riv);
00330 }
00331
00335 void Station::RecomputeIndustriesNearForAll()
00336 {
00337 Station *st;
00338 FOR_ALL_STATIONS(st) st->RecomputeIndustriesNear();
00339 }
00340
00341
00342
00343
00344
00345 StationRect::StationRect()
00346 {
00347 this->MakeEmpty();
00348 }
00349
00350 void StationRect::MakeEmpty()
00351 {
00352 this->left = this->top = this->right = this->bottom = 0;
00353 }
00354
00364 bool StationRect::PtInExtendedRect(int x, int y, int distance) const
00365 {
00366 return this->left - distance <= x && x <= this->right + distance &&
00367 this->top - distance <= y && y <= this->bottom + distance;
00368 }
00369
00370 bool StationRect::IsEmpty() const
00371 {
00372 return this->left == 0 || this->left > this->right || this->top > this->bottom;
00373 }
00374
00375 CommandCost StationRect::BeforeAddTile(TileIndex tile, StationRectMode mode)
00376 {
00377 int x = TileX(tile);
00378 int y = TileY(tile);
00379 if (this->IsEmpty()) {
00380
00381 if (mode != ADD_TEST) {
00382 this->left = this->right = x;
00383 this->top = this->bottom = y;
00384 }
00385 } else if (!this->PtInExtendedRect(x, y)) {
00386
00387
00388 Rect new_rect = {min(x, this->left), min(y, this->top), max(x, this->right), max(y, this->bottom)};
00389
00390
00391 int w = new_rect.right - new_rect.left + 1;
00392 int h = new_rect.bottom - new_rect.top + 1;
00393 if (mode != ADD_FORCE && (w > _settings_game.station.station_spread || h > _settings_game.station.station_spread)) {
00394 assert(mode != ADD_TRY);
00395 return_cmd_error(STR_ERROR_STATION_TOO_SPREAD_OUT);
00396 }
00397
00398
00399 if (mode != ADD_TEST) {
00400
00401 *this = new_rect;
00402 }
00403 } else {
00404 ;
00405 }
00406 return CommandCost();
00407 }
00408
00409 CommandCost StationRect::BeforeAddRect(TileIndex tile, int w, int h, StationRectMode mode)
00410 {
00411 if (mode == ADD_FORCE || (w <= _settings_game.station.station_spread && h <= _settings_game.station.station_spread)) {
00412
00413 CommandCost ret = this->BeforeAddTile(tile, mode);
00414 if (ret.Succeeded()) ret = this->BeforeAddTile(TILE_ADDXY(tile, w - 1, h - 1), mode);
00415 return ret;
00416 }
00417 return CommandCost();
00418 }
00419
00429 bool StationRect::ScanForStationTiles(StationID st_id, int left_a, int top_a, int right_a, int bottom_a)
00430 {
00431 TileArea ta(TileXY(left_a, top_a), TileXY(right_a, bottom_a));
00432 TILE_AREA_LOOP(tile, ta) {
00433 if (IsTileType(tile, MP_STATION) && GetStationIndex(tile) == st_id) return true;
00434 }
00435
00436 return false;
00437 }
00438
00439 bool StationRect::AfterRemoveTile(BaseStation *st, TileIndex tile)
00440 {
00441 int x = TileX(tile);
00442 int y = TileY(tile);
00443
00444
00445
00446
00447 for (;;) {
00448
00449 bool left_edge = (x == this->left);
00450 bool right_edge = (x == this->right);
00451 bool top_edge = (y == this->top);
00452 bool bottom_edge = (y == this->bottom);
00453
00454
00455 bool reduce_x = ((left_edge || right_edge) && !ScanForStationTiles(st->index, x, this->top, x, this->bottom));
00456 bool reduce_y = ((top_edge || bottom_edge) && !ScanForStationTiles(st->index, this->left, y, this->right, y));
00457 if (!(reduce_x || reduce_y)) break;
00458
00459 if (reduce_x) {
00460
00461 if (left_edge) {
00462
00463 this->left = x = x + 1;
00464 } else {
00465
00466 this->right = x = x - 1;
00467 }
00468 }
00469 if (reduce_y) {
00470
00471 if (top_edge) {
00472
00473 this->top = y = y + 1;
00474 } else {
00475
00476 this->bottom = y = y - 1;
00477 }
00478 }
00479
00480 if (left > right || top > bottom) {
00481
00482 this->MakeEmpty();
00483 return true;
00484 }
00485 }
00486 return false;
00487 }
00488
00489 bool StationRect::AfterRemoveRect(BaseStation *st, TileArea ta)
00490 {
00491 assert(this->PtInExtendedRect(TileX(ta.tile), TileY(ta.tile)));
00492 assert(this->PtInExtendedRect(TileX(ta.tile) + ta.w - 1, TileY(ta.tile) + ta.h - 1));
00493
00494 bool empty = this->AfterRemoveTile(st, ta.tile);
00495 if (ta.w != 1 || ta.h != 1) empty = empty || this->AfterRemoveTile(st, TILE_ADDXY(ta.tile, ta.w - 1, ta.h - 1));
00496 return empty;
00497 }
00498
00499 StationRect& StationRect::operator = (const Rect &src)
00500 {
00501 this->left = src.left;
00502 this->top = src.top;
00503 this->right = src.right;
00504 this->bottom = src.bottom;
00505 return *this;
00506 }
00507
00508
00509 void InitializeStations()
00510 {
00511 _station_pool.CleanPool();
00512 }