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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 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
00163 void Station::MarkTilesDirty(bool cargo_change) const
00164 {
00165 TileIndex tile = this->train_station.tile;
00166 int w, h;
00167
00168 if (tile == INVALID_TILE) return;
00169
00170
00171
00172 if (cargo_change) {
00173
00174
00175
00176 if (this->num_specs == 0) return;
00177 }
00178
00179 for (h = 0; h < train_station.h; h++) {
00180 for (w = 0; w < train_station.w; w++) {
00181 if (this->TileBelongsToRailStation(tile)) {
00182 MarkTileDirtyByTile(tile);
00183 }
00184 tile += TileDiffXY(1, 0);
00185 }
00186 tile += TileDiffXY(-w, 1);
00187 }
00188 }
00189
00190 uint Station::GetPlatformLength(TileIndex tile) const
00191 {
00192 assert(this->TileBelongsToRailStation(tile));
00193
00194 TileIndexDiff delta = (GetRailStationAxis(tile) == AXIS_X ? TileDiffXY(1, 0) : TileDiffXY(0, 1));
00195
00196 TileIndex t = tile;
00197 uint len = 0;
00198 do {
00199 t -= delta;
00200 len++;
00201 } while (IsCompatibleTrainStationTile(t, tile));
00202
00203 t = tile;
00204 do {
00205 t += delta;
00206 len++;
00207 } while (IsCompatibleTrainStationTile(t, tile));
00208
00209 return len - 1;
00210 }
00211
00212 uint Station::GetPlatformLength(TileIndex tile, DiagDirection dir) const
00213 {
00214 TileIndex start_tile = tile;
00215 uint length = 0;
00216 assert(IsRailStationTile(tile));
00217 assert(dir < DIAGDIR_END);
00218
00219 do {
00220 length++;
00221 tile += TileOffsByDiagDir(dir);
00222 } while (IsCompatibleTrainStationTile(tile, start_tile));
00223
00224 return length;
00225 }
00226
00231 uint Station::GetCatchmentRadius() const
00232 {
00233 uint ret = CA_NONE;
00234
00235 if (_settings_game.station.modified_catchment) {
00236 if (this->bus_stops != NULL) ret = max<uint>(ret, CA_BUS);
00237 if (this->truck_stops != NULL) ret = max<uint>(ret, CA_TRUCK);
00238 if (this->train_station.tile != INVALID_TILE) ret = max<uint>(ret, CA_TRAIN);
00239 if (this->dock_tile != INVALID_TILE) ret = max<uint>(ret, CA_DOCK);
00240 if (this->airport.tile != INVALID_TILE) ret = max<uint>(ret, this->airport.GetSpec()->catchment);
00241 } else {
00242 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) {
00243 ret = CA_UNMODIFIED;
00244 }
00245 }
00246
00247 return ret;
00248 }
00249
00254 Rect Station::GetCatchmentRect() const
00255 {
00256 assert(!this->rect.IsEmpty());
00257
00258
00259 int catchment_radius = this->GetCatchmentRadius();
00260
00261 Rect ret = {
00262 max<int>(this->rect.left - catchment_radius, 0),
00263 max<int>(this->rect.top - catchment_radius, 0),
00264 min<int>(this->rect.right + catchment_radius, MapMaxX()),
00265 min<int>(this->rect.bottom + catchment_radius, MapMaxY())
00266 };
00267
00268 return ret;
00269 }
00270
00272 struct RectAndIndustryVector {
00273 Rect rect;
00274 IndustryVector *industries_near;
00275 };
00276
00285 static bool FindIndustryToDeliver(TileIndex ind_tile, void *user_data)
00286 {
00287
00288 if (!IsTileType(ind_tile, MP_INDUSTRY)) return false;
00289
00290 RectAndIndustryVector *riv = (RectAndIndustryVector *)user_data;
00291 Industry *ind = Industry::GetByTile(ind_tile);
00292
00293
00294 if (riv->industries_near->Contains(ind)) return false;
00295
00296
00297 int x = TileX(ind_tile);
00298 int y = TileY(ind_tile);
00299 if (x < riv->rect.left || x > riv->rect.right || y < riv->rect.top || y > riv->rect.bottom) return false;
00300
00301
00302 uint cargo_index;
00303 for (cargo_index = 0; cargo_index < lengthof(ind->accepts_cargo); cargo_index++) {
00304 if (ind->accepts_cargo[cargo_index] != CT_INVALID) break;
00305 }
00306 if (cargo_index >= lengthof(ind->accepts_cargo)) return false;
00307
00308 *riv->industries_near->Append() = ind;
00309
00310 return false;
00311 }
00312
00317 void Station::RecomputeIndustriesNear()
00318 {
00319 this->industries_near.Clear();
00320 if (this->rect.IsEmpty()) return;
00321
00322 RectAndIndustryVector riv = {
00323 this->GetCatchmentRect(),
00324 &this->industries_near
00325 };
00326
00327
00328 TileIndex start_tile = this->xy;
00329 uint max_radius = max(
00330 max(DistanceManhattan(start_tile, TileXY(riv.rect.left, riv.rect.top)), DistanceManhattan(start_tile, TileXY(riv.rect.left, riv.rect.bottom))),
00331 max(DistanceManhattan(start_tile, TileXY(riv.rect.right, riv.rect.top)), DistanceManhattan(start_tile, TileXY(riv.rect.right, riv.rect.bottom)))
00332 );
00333
00334 CircularTileSearch(&start_tile, 2 * max_radius + 1, &FindIndustryToDeliver, &riv);
00335 }
00336
00340 void Station::RecomputeIndustriesNearForAll()
00341 {
00342 Station *st;
00343 FOR_ALL_STATIONS(st) st->RecomputeIndustriesNear();
00344 }
00345
00346
00347
00348
00349
00350 StationRect::StationRect()
00351 {
00352 this->MakeEmpty();
00353 }
00354
00355 void StationRect::MakeEmpty()
00356 {
00357 this->left = this->top = this->right = this->bottom = 0;
00358 }
00359
00369 bool StationRect::PtInExtendedRect(int x, int y, int distance) const
00370 {
00371 return this->left - distance <= x && x <= this->right + distance &&
00372 this->top - distance <= y && y <= this->bottom + distance;
00373 }
00374
00375 bool StationRect::IsEmpty() const
00376 {
00377 return this->left == 0 || this->left > this->right || this->top > this->bottom;
00378 }
00379
00380 CommandCost StationRect::BeforeAddTile(TileIndex tile, StationRectMode mode)
00381 {
00382 int x = TileX(tile);
00383 int y = TileY(tile);
00384 if (this->IsEmpty()) {
00385
00386 if (mode != ADD_TEST) {
00387 this->left = this->right = x;
00388 this->top = this->bottom = y;
00389 }
00390 } else if (!this->PtInExtendedRect(x, y)) {
00391
00392
00393 Rect new_rect = {min(x, this->left), min(y, this->top), max(x, this->right), max(y, this->bottom)};
00394
00395
00396 int w = new_rect.right - new_rect.left + 1;
00397 int h = new_rect.bottom - new_rect.top + 1;
00398 if (mode != ADD_FORCE && (w > _settings_game.station.station_spread || h > _settings_game.station.station_spread)) {
00399 assert(mode != ADD_TRY);
00400 return_cmd_error(STR_ERROR_STATION_TOO_SPREAD_OUT);
00401 }
00402
00403
00404 if (mode != ADD_TEST) {
00405
00406 *this = new_rect;
00407 }
00408 } else {
00409 ;
00410 }
00411 return CommandCost();
00412 }
00413
00414 CommandCost StationRect::BeforeAddRect(TileIndex tile, int w, int h, StationRectMode mode)
00415 {
00416 if (mode == ADD_FORCE || (w <= _settings_game.station.station_spread && h <= _settings_game.station.station_spread)) {
00417
00418 CommandCost ret = this->BeforeAddTile(tile, mode);
00419 if (ret.Succeeded()) ret = this->BeforeAddTile(TILE_ADDXY(tile, w - 1, h - 1), mode);
00420 return ret;
00421 }
00422 return CommandCost();
00423 }
00424
00434 bool StationRect::ScanForStationTiles(StationID st_id, int left_a, int top_a, int right_a, int bottom_a)
00435 {
00436 TileArea ta(TileXY(left_a, top_a), TileXY(right_a, bottom_a));
00437 TILE_AREA_LOOP(tile, ta) {
00438 if (IsTileType(tile, MP_STATION) && GetStationIndex(tile) == st_id) return true;
00439 }
00440
00441 return false;
00442 }
00443
00444 bool StationRect::AfterRemoveTile(BaseStation *st, TileIndex tile)
00445 {
00446 int x = TileX(tile);
00447 int y = TileY(tile);
00448
00449
00450
00451
00452 for (;;) {
00453
00454 bool left_edge = (x == this->left);
00455 bool right_edge = (x == this->right);
00456 bool top_edge = (y == this->top);
00457 bool bottom_edge = (y == this->bottom);
00458
00459
00460 bool reduce_x = ((left_edge || right_edge) && !ScanForStationTiles(st->index, x, this->top, x, this->bottom));
00461 bool reduce_y = ((top_edge || bottom_edge) && !ScanForStationTiles(st->index, this->left, y, this->right, y));
00462 if (!(reduce_x || reduce_y)) break;
00463
00464 if (reduce_x) {
00465
00466 if (left_edge) {
00467
00468 this->left = x = x + 1;
00469 } else {
00470
00471 this->right = x = x - 1;
00472 }
00473 }
00474 if (reduce_y) {
00475
00476 if (top_edge) {
00477
00478 this->top = y = y + 1;
00479 } else {
00480
00481 this->bottom = y = y - 1;
00482 }
00483 }
00484
00485 if (left > right || top > bottom) {
00486
00487 this->MakeEmpty();
00488 return true;
00489 }
00490 }
00491 return false;
00492 }
00493
00494 bool StationRect::AfterRemoveRect(BaseStation *st, TileArea ta)
00495 {
00496 assert(this->PtInExtendedRect(TileX(ta.tile), TileY(ta.tile)));
00497 assert(this->PtInExtendedRect(TileX(ta.tile) + ta.w - 1, TileY(ta.tile) + ta.h - 1));
00498
00499 bool empty = this->AfterRemoveTile(st, ta.tile);
00500 if (ta.w != 1 || ta.h != 1) empty = empty || this->AfterRemoveTile(st, TILE_ADDXY(ta.tile, ta.w - 1, ta.h - 1));
00501 return empty;
00502 }
00503
00504 StationRect& StationRect::operator = (const Rect &src)
00505 {
00506 this->left = src.left;
00507 this->top = src.top;
00508 this->right = src.right;
00509 this->bottom = src.bottom;
00510 return *this;
00511 }
00512
00513
00514 void InitializeStations()
00515 {
00516 _station_pool.CleanPool();
00517 }