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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
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 if (this->owner == OWNER_NONE) {
00094
00095 InvalidateWindowClassesData(WC_STATION_LIST, 0);
00096 } else {
00097 InvalidateWindowData(WC_STATION_LIST, this->owner, 0);
00098 }
00099
00100 DeleteWindowById(WC_STATION_VIEW, index);
00101
00102
00103 RemoveOrderFromAllVehicles(OT_GOTO_STATION, this->index);
00104
00105
00106 DeleteStationNews(this->index);
00107
00108 for (CargoID c = 0; c < NUM_CARGO; c++) {
00109 this->goods[c].cargo.Truncate(0);
00110 }
00111
00112 CargoPacket::InvalidateAllFrom(this->index);
00113 }
00114
00115
00121 void BaseStation::PostDestructor(size_t index)
00122 {
00123 InvalidateWindowData(WC_SELECT_STATION, 0, 0);
00124 }
00125
00131 RoadStop *Station::GetPrimaryRoadStop(const RoadVehicle *v) const
00132 {
00133 RoadStop *rs = this->GetPrimaryRoadStop(v->IsBus() ? ROADSTOP_BUS : ROADSTOP_TRUCK);
00134
00135 for (; rs != NULL; rs = rs->next) {
00136
00137 if ((GetRoadTypes(rs->xy) & v->compatible_roadtypes) == ROADTYPES_NONE) continue;
00138
00139 if (IsStandardRoadStopTile(rs->xy) && v->HasArticulatedPart()) continue;
00140
00141
00142 break;
00143 }
00144
00145 return rs;
00146 }
00147
00152 void Station::AddFacility(StationFacility new_facility_bit, TileIndex facil_xy)
00153 {
00154 if (this->facilities == FACIL_NONE) {
00155 this->xy = facil_xy;
00156 this->random_bits = Random();
00157 }
00158 this->facilities |= new_facility_bit;
00159 this->owner = _current_company;
00160 this->build_date = _date;
00161 }
00162
00168 void Station::MarkTilesDirty(bool cargo_change) const
00169 {
00170 TileIndex tile = this->train_station.tile;
00171 int w, h;
00172
00173 if (tile == INVALID_TILE) return;
00174
00175
00176
00177 if (cargo_change) {
00178
00179
00180
00181 if (this->num_specs == 0) return;
00182 }
00183
00184 for (h = 0; h < train_station.h; h++) {
00185 for (w = 0; w < train_station.w; w++) {
00186 if (this->TileBelongsToRailStation(tile)) {
00187 MarkTileDirtyByTile(tile);
00188 }
00189 tile += TileDiffXY(1, 0);
00190 }
00191 tile += TileDiffXY(-w, 1);
00192 }
00193 }
00194
00195 uint Station::GetPlatformLength(TileIndex tile) const
00196 {
00197 assert(this->TileBelongsToRailStation(tile));
00198
00199 TileIndexDiff delta = (GetRailStationAxis(tile) == AXIS_X ? TileDiffXY(1, 0) : TileDiffXY(0, 1));
00200
00201 TileIndex t = tile;
00202 uint len = 0;
00203 do {
00204 t -= delta;
00205 len++;
00206 } while (IsCompatibleTrainStationTile(t, tile));
00207
00208 t = tile;
00209 do {
00210 t += delta;
00211 len++;
00212 } while (IsCompatibleTrainStationTile(t, tile));
00213
00214 return len - 1;
00215 }
00216
00217 uint Station::GetPlatformLength(TileIndex tile, DiagDirection dir) const
00218 {
00219 TileIndex start_tile = tile;
00220 uint length = 0;
00221 assert(IsRailStationTile(tile));
00222 assert(dir < DIAGDIR_END);
00223
00224 do {
00225 length++;
00226 tile += TileOffsByDiagDir(dir);
00227 } while (IsCompatibleTrainStationTile(tile, start_tile));
00228
00229 return length;
00230 }
00231
00236 uint Station::GetCatchmentRadius() const
00237 {
00238 uint ret = CA_NONE;
00239
00240 if (_settings_game.station.modified_catchment) {
00241 if (this->bus_stops != NULL) ret = max<uint>(ret, CA_BUS);
00242 if (this->truck_stops != NULL) ret = max<uint>(ret, CA_TRUCK);
00243 if (this->train_station.tile != INVALID_TILE) ret = max<uint>(ret, CA_TRAIN);
00244 if (this->dock_tile != INVALID_TILE) ret = max<uint>(ret, CA_DOCK);
00245 if (this->airport.tile != INVALID_TILE) ret = max<uint>(ret, this->airport.GetSpec()->catchment);
00246 } else {
00247 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) {
00248 ret = CA_UNMODIFIED;
00249 }
00250 }
00251
00252 return ret;
00253 }
00254
00259 Rect Station::GetCatchmentRect() const
00260 {
00261 assert(!this->rect.IsEmpty());
00262
00263
00264 int catchment_radius = this->GetCatchmentRadius();
00265
00266 Rect ret = {
00267 max<int>(this->rect.left - catchment_radius, 0),
00268 max<int>(this->rect.top - catchment_radius, 0),
00269 min<int>(this->rect.right + catchment_radius, MapMaxX()),
00270 min<int>(this->rect.bottom + catchment_radius, MapMaxY())
00271 };
00272
00273 return ret;
00274 }
00275
00277 struct RectAndIndustryVector {
00278 Rect rect;
00279 IndustryVector *industries_near;
00280 };
00281
00290 static bool FindIndustryToDeliver(TileIndex ind_tile, void *user_data)
00291 {
00292
00293 if (!IsTileType(ind_tile, MP_INDUSTRY)) return false;
00294
00295 RectAndIndustryVector *riv = (RectAndIndustryVector *)user_data;
00296 Industry *ind = Industry::GetByTile(ind_tile);
00297
00298
00299 if (riv->industries_near->Contains(ind)) return false;
00300
00301
00302 int x = TileX(ind_tile);
00303 int y = TileY(ind_tile);
00304 if (x < riv->rect.left || x > riv->rect.right || y < riv->rect.top || y > riv->rect.bottom) return false;
00305
00306
00307 uint cargo_index;
00308 for (cargo_index = 0; cargo_index < lengthof(ind->accepts_cargo); cargo_index++) {
00309 if (ind->accepts_cargo[cargo_index] != CT_INVALID) break;
00310 }
00311 if (cargo_index >= lengthof(ind->accepts_cargo)) return false;
00312
00313 *riv->industries_near->Append() = ind;
00314
00315 return false;
00316 }
00317
00322 void Station::RecomputeIndustriesNear()
00323 {
00324 this->industries_near.Clear();
00325 if (this->rect.IsEmpty()) return;
00326
00327 RectAndIndustryVector riv = {
00328 this->GetCatchmentRect(),
00329 &this->industries_near
00330 };
00331
00332
00333 TileIndex start_tile = this->xy;
00334 uint max_radius = max(
00335 max(DistanceManhattan(start_tile, TileXY(riv.rect.left, riv.rect.top)), DistanceManhattan(start_tile, TileXY(riv.rect.left, riv.rect.bottom))),
00336 max(DistanceManhattan(start_tile, TileXY(riv.rect.right, riv.rect.top)), DistanceManhattan(start_tile, TileXY(riv.rect.right, riv.rect.bottom)))
00337 );
00338
00339 CircularTileSearch(&start_tile, 2 * max_radius + 1, &FindIndustryToDeliver, &riv);
00340 }
00341
00345 void Station::RecomputeIndustriesNearForAll()
00346 {
00347 Station *st;
00348 FOR_ALL_STATIONS(st) st->RecomputeIndustriesNear();
00349 }
00350
00351
00352
00353
00354
00355 StationRect::StationRect()
00356 {
00357 this->MakeEmpty();
00358 }
00359
00360 void StationRect::MakeEmpty()
00361 {
00362 this->left = this->top = this->right = this->bottom = 0;
00363 }
00364
00374 bool StationRect::PtInExtendedRect(int x, int y, int distance) const
00375 {
00376 return this->left - distance <= x && x <= this->right + distance &&
00377 this->top - distance <= y && y <= this->bottom + distance;
00378 }
00379
00380 bool StationRect::IsEmpty() const
00381 {
00382 return this->left == 0 || this->left > this->right || this->top > this->bottom;
00383 }
00384
00385 CommandCost StationRect::BeforeAddTile(TileIndex tile, StationRectMode mode)
00386 {
00387 int x = TileX(tile);
00388 int y = TileY(tile);
00389 if (this->IsEmpty()) {
00390
00391 if (mode != ADD_TEST) {
00392 this->left = this->right = x;
00393 this->top = this->bottom = y;
00394 }
00395 } else if (!this->PtInExtendedRect(x, y)) {
00396
00397
00398 Rect new_rect = {min(x, this->left), min(y, this->top), max(x, this->right), max(y, this->bottom)};
00399
00400
00401 int w = new_rect.right - new_rect.left + 1;
00402 int h = new_rect.bottom - new_rect.top + 1;
00403 if (mode != ADD_FORCE && (w > _settings_game.station.station_spread || h > _settings_game.station.station_spread)) {
00404 assert(mode != ADD_TRY);
00405 return_cmd_error(STR_ERROR_STATION_TOO_SPREAD_OUT);
00406 }
00407
00408
00409 if (mode != ADD_TEST) {
00410
00411 *this = new_rect;
00412 }
00413 } else {
00414 ;
00415 }
00416 return CommandCost();
00417 }
00418
00419 CommandCost StationRect::BeforeAddRect(TileIndex tile, int w, int h, StationRectMode mode)
00420 {
00421 if (mode == ADD_FORCE || (w <= _settings_game.station.station_spread && h <= _settings_game.station.station_spread)) {
00422
00423 CommandCost ret = this->BeforeAddTile(tile, mode);
00424 if (ret.Succeeded()) ret = this->BeforeAddTile(TILE_ADDXY(tile, w - 1, h - 1), mode);
00425 return ret;
00426 }
00427 return CommandCost();
00428 }
00429
00439 bool StationRect::ScanForStationTiles(StationID st_id, int left_a, int top_a, int right_a, int bottom_a)
00440 {
00441 TileArea ta(TileXY(left_a, top_a), TileXY(right_a, bottom_a));
00442 TILE_AREA_LOOP(tile, ta) {
00443 if (IsTileType(tile, MP_STATION) && GetStationIndex(tile) == st_id) return true;
00444 }
00445
00446 return false;
00447 }
00448
00449 bool StationRect::AfterRemoveTile(BaseStation *st, TileIndex tile)
00450 {
00451 int x = TileX(tile);
00452 int y = TileY(tile);
00453
00454
00455
00456
00457 for (;;) {
00458
00459 bool left_edge = (x == this->left);
00460 bool right_edge = (x == this->right);
00461 bool top_edge = (y == this->top);
00462 bool bottom_edge = (y == this->bottom);
00463
00464
00465 bool reduce_x = ((left_edge || right_edge) && !ScanForStationTiles(st->index, x, this->top, x, this->bottom));
00466 bool reduce_y = ((top_edge || bottom_edge) && !ScanForStationTiles(st->index, this->left, y, this->right, y));
00467 if (!(reduce_x || reduce_y)) break;
00468
00469 if (reduce_x) {
00470
00471 if (left_edge) {
00472
00473 this->left = x = x + 1;
00474 } else {
00475
00476 this->right = x = x - 1;
00477 }
00478 }
00479 if (reduce_y) {
00480
00481 if (top_edge) {
00482
00483 this->top = y = y + 1;
00484 } else {
00485
00486 this->bottom = y = y - 1;
00487 }
00488 }
00489
00490 if (left > right || top > bottom) {
00491
00492 this->MakeEmpty();
00493 return true;
00494 }
00495 }
00496 return false;
00497 }
00498
00499 bool StationRect::AfterRemoveRect(BaseStation *st, TileArea ta)
00500 {
00501 assert(this->PtInExtendedRect(TileX(ta.tile), TileY(ta.tile)));
00502 assert(this->PtInExtendedRect(TileX(ta.tile) + ta.w - 1, TileY(ta.tile) + ta.h - 1));
00503
00504 bool empty = this->AfterRemoveTile(st, ta.tile);
00505 if (ta.w != 1 || ta.h != 1) empty = empty || this->AfterRemoveTile(st, TILE_ADDXY(ta.tile, ta.w - 1, ta.h - 1));
00506 return empty;
00507 }
00508
00509 StationRect& StationRect::operator = (const Rect &src)
00510 {
00511 this->left = src.left;
00512 this->top = src.top;
00513 this->right = src.right;
00514 this->bottom = src.bottom;
00515 return *this;
00516 }
00517
00518
00519 void InitializeStations()
00520 {
00521 _station_pool.CleanPool();
00522 }