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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 "vehicle_gui.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
00040 Station::Station(TileIndex tile) :
00041 SpecializedStation<Station, false>(tile),
00042 bus_station(INVALID_TILE, 0, 0),
00043 truck_station(INVALID_TILE, 0, 0),
00044 airport_tile(INVALID_TILE),
00045 dock_tile(INVALID_TILE),
00046 indtype(IT_INVALID),
00047 time_since_load(255),
00048 time_since_unload(255),
00049 last_vehicle_type(VEH_INVALID)
00050 {
00051
00052 }
00053
00060 Station::~Station()
00061 {
00062 if (CleaningPool()) return;
00063
00064 while (!this->loading_vehicles.empty()) {
00065 this->loading_vehicles.front()->LeaveStation();
00066 }
00067
00068 Aircraft *a;
00069 FOR_ALL_AIRCRAFT(a) {
00070 if (!a->IsNormalAircraft()) continue;
00071 if (a->targetairport == this->index) a->targetairport = INVALID_STATION;
00072 }
00073
00074 Vehicle *v;
00075 FOR_ALL_VEHICLES(v) {
00076
00077 if (v->last_station_visited == this->index) {
00078 v->last_station_visited = INVALID_STATION;
00079 }
00080 }
00081
00082 this->sign.MarkDirty();
00083 InvalidateWindowData(WC_STATION_LIST, this->owner, 0);
00084
00085 DeleteWindowById(WC_STATION_VIEW, index);
00086
00087 Owner owner = this->owner;
00088 if (!Company::IsValidID(owner)) owner = _local_company;
00089 WindowNumber wno = (this->index << 16) | VLW_STATION_LIST | owner;
00090 DeleteWindowById(WC_TRAINS_LIST, wno | (VEH_TRAIN << 11));
00091 DeleteWindowById(WC_ROADVEH_LIST, wno | (VEH_ROAD << 11));
00092 DeleteWindowById(WC_SHIPS_LIST, wno | (VEH_SHIP << 11));
00093 DeleteWindowById(WC_AIRCRAFT_LIST, wno | (VEH_AIRCRAFT << 11));
00094
00095
00096 RemoveOrderFromAllVehicles(OT_GOTO_STATION, this->index);
00097
00098
00099 DeleteStationNews(this->index);
00100
00101 for (CargoID c = 0; c < NUM_CARGO; c++) {
00102 this->goods[c].cargo.Truncate(0);
00103 }
00104
00105 CargoPacket::InvalidateAllFrom(this->index);
00106 }
00107
00108
00114 void BaseStation::PostDestructor(size_t index)
00115 {
00116 InvalidateWindowData(WC_SELECT_STATION, 0, 0);
00117 }
00118
00124 RoadStop *Station::GetPrimaryRoadStop(const RoadVehicle *v) const
00125 {
00126 RoadStop *rs = this->GetPrimaryRoadStop(v->IsBus() ? ROADSTOP_BUS : ROADSTOP_TRUCK);
00127
00128 for (; rs != NULL; rs = rs->next) {
00129
00130 if ((GetRoadTypes(rs->xy) & v->compatible_roadtypes) == ROADTYPES_NONE) continue;
00131
00132 if (IsStandardRoadStopTile(rs->xy) && v->HasArticulatedPart()) continue;
00133
00134
00135 break;
00136 }
00137
00138 return rs;
00139 }
00140
00143 void Station::AddFacility(StationFacility new_facility_bit, TileIndex facil_xy)
00144 {
00145 if (this->facilities == FACIL_NONE) {
00146 this->xy = facil_xy;
00147 this->random_bits = Random();
00148 }
00149 this->facilities |= new_facility_bit;
00150 this->owner = _current_company;
00151 this->build_date = _date;
00152 }
00153
00154 void Station::MarkTilesDirty(bool cargo_change) const
00155 {
00156 TileIndex tile = this->train_station.tile;
00157 int w, h;
00158
00159 if (tile == INVALID_TILE) return;
00160
00161
00162
00163 if (cargo_change) {
00164
00165
00166
00167 if (this->num_specs == 0) return;
00168 }
00169
00170 for (h = 0; h < train_station.h; h++) {
00171 for (w = 0; w < train_station.w; w++) {
00172 if (this->TileBelongsToRailStation(tile)) {
00173 MarkTileDirtyByTile(tile);
00174 }
00175 tile += TileDiffXY(1, 0);
00176 }
00177 tile += TileDiffXY(-w, 1);
00178 }
00179 }
00180
00181 uint Station::GetPlatformLength(TileIndex tile) const
00182 {
00183 assert(this->TileBelongsToRailStation(tile));
00184
00185 TileIndexDiff delta = (GetRailStationAxis(tile) == AXIS_X ? TileDiffXY(1, 0) : TileDiffXY(0, 1));
00186
00187 TileIndex t = tile;
00188 uint len = 0;
00189 do {
00190 t -= delta;
00191 len++;
00192 } while (IsCompatibleTrainStationTile(t, tile));
00193
00194 t = tile;
00195 do {
00196 t += delta;
00197 len++;
00198 } while (IsCompatibleTrainStationTile(t, tile));
00199
00200 return len - 1;
00201 }
00202
00203 uint Station::GetPlatformLength(TileIndex tile, DiagDirection dir) const
00204 {
00205 TileIndex start_tile = tile;
00206 uint length = 0;
00207 assert(IsRailStationTile(tile));
00208 assert(dir < DIAGDIR_END);
00209
00210 do {
00211 length++;
00212 tile += TileOffsByDiagDir(dir);
00213 } while (IsCompatibleTrainStationTile(tile, start_tile));
00214
00215 return length;
00216 }
00217
00221 uint Station::GetCatchmentRadius() const
00222 {
00223 uint ret = CA_NONE;
00224
00225 if (_settings_game.station.modified_catchment) {
00226 if (this->bus_stops != NULL) ret = max<uint>(ret, CA_BUS);
00227 if (this->truck_stops != NULL) ret = max<uint>(ret, CA_TRUCK);
00228 if (this->train_station.tile != INVALID_TILE) ret = max<uint>(ret, CA_TRAIN);
00229 if (this->dock_tile != INVALID_TILE) ret = max<uint>(ret, CA_DOCK);
00230 if (this->airport_tile != INVALID_TILE) ret = max<uint>(ret, this->GetAirportSpec()->catchment);
00231 } else {
00232 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) {
00233 ret = CA_UNMODIFIED;
00234 }
00235 }
00236
00237 return ret;
00238 }
00239
00244 Rect Station::GetCatchmentRect() const
00245 {
00246 assert(!this->rect.IsEmpty());
00247
00248
00249 int catchment_radius = this->GetCatchmentRadius();
00250
00251 Rect ret = {
00252 max<int>(this->rect.left - catchment_radius, 0),
00253 max<int>(this->rect.top - catchment_radius, 0),
00254 min<int>(this->rect.right + catchment_radius, MapMaxX()),
00255 min<int>(this->rect.bottom + catchment_radius, MapMaxY())
00256 };
00257
00258 return ret;
00259 }
00260
00262 struct RectAndIndustryVector {
00263 Rect rect;
00264 IndustryVector *industries_near;
00265 };
00266
00275 static bool FindIndustryToDeliver(TileIndex ind_tile, void *user_data)
00276 {
00277
00278 if (!IsTileType(ind_tile, MP_INDUSTRY)) return false;
00279
00280 RectAndIndustryVector *riv = (RectAndIndustryVector *)user_data;
00281 Industry *ind = Industry::GetByTile(ind_tile);
00282
00283
00284 if (riv->industries_near->Contains(ind)) return false;
00285
00286
00287 int x = TileX(ind_tile);
00288 int y = TileY(ind_tile);
00289 if (x < riv->rect.left || x > riv->rect.right || y < riv->rect.top || y > riv->rect.bottom) return false;
00290
00291
00292 uint cargo_index;
00293 for (cargo_index = 0; cargo_index < lengthof(ind->accepts_cargo); cargo_index++) {
00294 if (ind->accepts_cargo[cargo_index] != CT_INVALID) break;
00295 }
00296 if (cargo_index >= lengthof(ind->accepts_cargo)) return false;
00297
00298 *riv->industries_near->Append() = ind;
00299
00300 return false;
00301 }
00302
00307 void Station::RecomputeIndustriesNear()
00308 {
00309 this->industries_near.Clear();
00310 if (this->rect.IsEmpty()) return;
00311
00312 RectAndIndustryVector riv = {
00313 this->GetCatchmentRect(),
00314 &this->industries_near
00315 };
00316
00317
00318 TileIndex start_tile = this->xy;
00319 uint max_radius = max(
00320 max(DistanceManhattan(start_tile, TileXY(riv.rect.left, riv.rect.top)), DistanceManhattan(start_tile, TileXY(riv.rect.left, riv.rect.bottom))),
00321 max(DistanceManhattan(start_tile, TileXY(riv.rect.right, riv.rect.top)), DistanceManhattan(start_tile, TileXY(riv.rect.right, riv.rect.bottom)))
00322 );
00323
00324 CircularTileSearch(&start_tile, 2 * max_radius + 1, &FindIndustryToDeliver, &riv);
00325 }
00326
00330 void Station::RecomputeIndustriesNearForAll()
00331 {
00332 Station *st;
00333 FOR_ALL_STATIONS(st) st->RecomputeIndustriesNear();
00334 }
00335
00336
00337
00338
00339
00340 StationRect::StationRect()
00341 {
00342 this->MakeEmpty();
00343 }
00344
00345 void StationRect::MakeEmpty()
00346 {
00347 this->left = this->top = this->right = this->bottom = 0;
00348 }
00349
00359 bool StationRect::PtInExtendedRect(int x, int y, int distance) const
00360 {
00361 return
00362 this->left - distance <= x &&
00363 x <= this->right + distance &&
00364 this->top - distance <= y &&
00365 y <= this->bottom + distance;
00366 }
00367
00368 bool StationRect::IsEmpty() const
00369 {
00370 return this->left == 0 || this->left > this->right || this->top > this->bottom;
00371 }
00372
00373 bool StationRect::BeforeAddTile(TileIndex tile, StationRectMode mode)
00374 {
00375 int x = TileX(tile);
00376 int y = TileY(tile);
00377 if (IsEmpty()) {
00378
00379 if (mode != ADD_TEST) {
00380 this->left = this->right = x;
00381 this->top = this->bottom = y;
00382 }
00383 } else if (!PtInExtendedRect(x, y)) {
00384
00385
00386 Rect new_rect = {min(x, this->left), min(y, this->top), max(x, this->right), max(y, this->bottom)};
00387
00388
00389 int w = new_rect.right - new_rect.left + 1;
00390 int h = new_rect.bottom - new_rect.top + 1;
00391 if (mode != ADD_FORCE && (w > _settings_game.station.station_spread || h > _settings_game.station.station_spread)) {
00392 assert(mode != ADD_TRY);
00393 _error_message = STR_ERROR_STATION_TOO_SPREAD_OUT;
00394 return false;
00395 }
00396
00397
00398 if (mode != ADD_TEST) {
00399
00400 *this = new_rect;
00401 }
00402 } else {
00403 ;
00404 }
00405 return true;
00406 }
00407
00408 bool StationRect::BeforeAddRect(TileIndex tile, int w, int h, StationRectMode mode)
00409 {
00410 return (mode == ADD_FORCE || (w <= _settings_game.station.station_spread && h <= _settings_game.station.station_spread)) &&
00411 this->BeforeAddTile(tile, mode) && this->BeforeAddTile(TILE_ADDXY(tile, w - 1, h - 1), mode);
00412 }
00413
00423 bool StationRect::ScanForStationTiles(StationID st_id, int left_a, int top_a, int right_a, int bottom_a)
00424 {
00425 TileIndex top_left = TileXY(left_a, top_a);
00426 int width = right_a - left_a + 1;
00427 int height = bottom_a - top_a + 1;
00428
00429 TILE_LOOP(tile, width, height, top_left) {
00430 if (IsTileType(tile, MP_STATION) && GetStationIndex(tile) == st_id) return true;
00431 }
00432
00433 return false;
00434 }
00435
00436 bool StationRect::AfterRemoveTile(BaseStation *st, TileIndex tile)
00437 {
00438 int x = TileX(tile);
00439 int y = TileY(tile);
00440
00441
00442
00443
00444 for (;;) {
00445
00446 bool left_edge = (x == this->left);
00447 bool right_edge = (x == this->right);
00448 bool top_edge = (y == this->top);
00449 bool bottom_edge = (y == this->bottom);
00450
00451
00452 bool reduce_x = ((left_edge || right_edge) && !ScanForStationTiles(st->index, x, this->top, x, this->bottom));
00453 bool reduce_y = ((top_edge || bottom_edge) && !ScanForStationTiles(st->index, this->left, y, this->right, y));
00454 if (!(reduce_x || reduce_y)) break;
00455
00456 if (reduce_x) {
00457
00458 if (left_edge) {
00459
00460 this->left = x = x + 1;
00461 } else {
00462
00463 this->right = x = x - 1;
00464 }
00465 }
00466 if (reduce_y) {
00467
00468 if (top_edge) {
00469
00470 this->top = y = y + 1;
00471 } else {
00472
00473 this->bottom = y = y - 1;
00474 }
00475 }
00476
00477 if (left > right || top > bottom) {
00478
00479 this->MakeEmpty();
00480 return true;
00481 }
00482 }
00483 return false;
00484 }
00485
00486 bool StationRect::AfterRemoveRect(BaseStation *st, TileIndex tile, int w, int h)
00487 {
00488 assert(PtInExtendedRect(TileX(tile), TileY(tile)));
00489 assert(PtInExtendedRect(TileX(tile) + w - 1, TileY(tile) + h - 1));
00490
00491 bool empty = this->AfterRemoveTile(st, tile);
00492 if (w != 1 || h != 1) empty = empty || AfterRemoveTile(st, TILE_ADDXY(tile, w - 1, h - 1));
00493 return empty;
00494 }
00495
00496 StationRect& StationRect::operator = (Rect src)
00497 {
00498 this->left = src.left;
00499 this->top = src.top;
00500 this->right = src.right;
00501 this->bottom = src.bottom;
00502 return *this;
00503 }
00504
00505
00506 void InitializeStations()
00507 {
00508 _station_pool.CleanPool();
00509 }