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00012 #ifndef STATION_BASE_H
00013 #define STATION_BASE_H
00014
00015 #include "core/random_func.hpp"
00016 #include "base_station_base.h"
00017 #include "newgrf_airport.h"
00018 #include "cargopacket.h"
00019 #include "industry_type.h"
00020 #include "linkgraph/linkgraph_type.h"
00021 #include "newgrf_storage.h"
00022 #include <map>
00023
00024 typedef Pool<BaseStation, StationID, 32, 64000> StationPool;
00025 extern StationPool _station_pool;
00026
00027 static const byte INITIAL_STATION_RATING = 175;
00028
00036 class FlowStat {
00037 public:
00038 typedef std::map<uint32, StationID> SharesMap;
00039
00040 inline FlowStat() {NOT_REACHED();}
00041
00042 inline FlowStat(StationID st, uint flow)
00043 {
00044 assert(flow > 0);
00045 this->shares[flow] = st;
00046 }
00047
00055 inline void AppendShare(StationID st, uint flow)
00056 {
00057 assert(flow > 0);
00058 this->shares[(--this->shares.end())->first + flow] = st;
00059 }
00060
00061 uint GetShare(StationID st) const;
00062
00063 void ChangeShare(StationID st, int flow);
00064
00065 inline const SharesMap *GetShares() const { return &this->shares; }
00066
00074 inline StationID GetVia() const
00075 {
00076 assert(!this->shares.empty());
00077 return this->shares.upper_bound(RandomRange((--this->shares.end())->first - 1))->second;
00078 }
00079
00080 StationID GetVia(StationID excluded, StationID excluded2 = INVALID_STATION) const;
00081
00082 private:
00083 SharesMap shares;
00084 };
00085
00087 class FlowStatMap : public std::map<StationID, FlowStat> {
00088 public:
00089 void AddFlow(StationID origin, StationID via, uint amount);
00090 void PassOnFlow(StationID origin, StationID via, uint amount);
00091 void DeleteFlows(StationID via);
00092 void FinalizeLocalConsumption(StationID self);
00093 };
00094
00098 struct GoodsEntry {
00100 enum GoodsEntryStatus {
00105 GES_ACCEPTANCE,
00106
00114 GES_PICKUP,
00115
00120 GES_EVER_ACCEPTED,
00121
00126 GES_LAST_MONTH,
00127
00132 GES_CURRENT_MONTH,
00133
00138 GES_ACCEPTED_BIGTICK,
00139 };
00140
00141 GoodsEntry() :
00142 acceptance_pickup(0),
00143 time_since_pickup(255),
00144 rating(INITIAL_STATION_RATING),
00145 last_speed(0),
00146 last_age(255),
00147 link_graph(INVALID_LINK_GRAPH),
00148 node(INVALID_NODE),
00149 max_waiting_cargo(0)
00150 {}
00151
00152 byte acceptance_pickup;
00153
00159 byte time_since_pickup;
00160
00161 byte rating;
00162
00172 byte last_speed;
00173
00178 byte last_age;
00179
00180 byte amount_fract;
00181 StationCargoList cargo;
00182
00183 LinkGraphID link_graph;
00184 NodeID node;
00185 FlowStatMap flows;
00186 uint max_waiting_cargo;
00187
00193 bool HasVehicleEverTriedLoading() const { return this->last_speed != 0; }
00194
00199 inline bool HasRating() const
00200 {
00201 return HasBit(this->acceptance_pickup, GES_PICKUP);
00202 }
00203
00204 uint GetSumFlowVia(StationID via) const;
00205
00212 inline StationID GetVia(StationID source) const
00213 {
00214 FlowStatMap::const_iterator flow_it(this->flows.find(source));
00215 return flow_it != this->flows.end() ? flow_it->second.GetVia() : INVALID_STATION;
00216 }
00217
00226 inline StationID GetVia(StationID source, StationID excluded, StationID excluded2 = INVALID_STATION) const
00227 {
00228 FlowStatMap::const_iterator flow_it(this->flows.find(source));
00229 return flow_it != this->flows.end() ? flow_it->second.GetVia(excluded, excluded2) : INVALID_STATION;
00230 }
00231 };
00232
00234 struct Airport : public TileArea {
00235 Airport() : TileArea(INVALID_TILE, 0, 0) {}
00236
00237 uint64 flags;
00238 byte type;
00239 byte layout;
00240 Direction rotation;
00241
00242 PersistentStorage *psa;
00243
00249 const AirportSpec *GetSpec() const
00250 {
00251 if (this->tile == INVALID_TILE) return &AirportSpec::dummy;
00252 return AirportSpec::Get(this->type);
00253 }
00254
00261 const AirportFTAClass *GetFTA() const
00262 {
00263 return this->GetSpec()->fsm;
00264 }
00265
00267 inline bool HasHangar() const
00268 {
00269 return this->GetSpec()->nof_depots > 0;
00270 }
00271
00280 inline TileIndex GetRotatedTileFromOffset(TileIndexDiffC tidc) const
00281 {
00282 const AirportSpec *as = this->GetSpec();
00283 switch (this->rotation) {
00284 case DIR_N: return this->tile + ToTileIndexDiff(tidc);
00285
00286 case DIR_E: return this->tile + TileDiffXY(tidc.y, as->size_x - 1 - tidc.x);
00287
00288 case DIR_S: return this->tile + TileDiffXY(as->size_x - 1 - tidc.x, as->size_y - 1 - tidc.y);
00289
00290 case DIR_W: return this->tile + TileDiffXY(as->size_y - 1 - tidc.y, tidc.x);
00291
00292 default: NOT_REACHED();
00293 }
00294 }
00295
00302 inline TileIndex GetHangarTile(uint hangar_num) const
00303 {
00304 const AirportSpec *as = this->GetSpec();
00305 for (uint i = 0; i < as->nof_depots; i++) {
00306 if (as->depot_table[i].hangar_num == hangar_num) {
00307 return this->GetRotatedTileFromOffset(as->depot_table[i].ti);
00308 }
00309 }
00310 NOT_REACHED();
00311 }
00312
00319 inline Direction GetHangarExitDirection(TileIndex tile) const
00320 {
00321 const AirportSpec *as = this->GetSpec();
00322 const HangarTileTable *htt = GetHangarDataByTile(tile);
00323 return ChangeDir(htt->dir, DirDifference(this->rotation, as->rotation[0]));
00324 }
00325
00332 inline uint GetHangarNum(TileIndex tile) const
00333 {
00334 const HangarTileTable *htt = GetHangarDataByTile(tile);
00335 return htt->hangar_num;
00336 }
00337
00339 inline uint GetNumHangars() const
00340 {
00341 uint num = 0;
00342 uint counted = 0;
00343 const AirportSpec *as = this->GetSpec();
00344 for (uint i = 0; i < as->nof_depots; i++) {
00345 if (!HasBit(counted, as->depot_table[i].hangar_num)) {
00346 num++;
00347 SetBit(counted, as->depot_table[i].hangar_num);
00348 }
00349 }
00350 return num;
00351 }
00352
00353 private:
00360 inline const HangarTileTable *GetHangarDataByTile(TileIndex tile) const
00361 {
00362 const AirportSpec *as = this->GetSpec();
00363 for (uint i = 0; i < as->nof_depots; i++) {
00364 if (this->GetRotatedTileFromOffset(as->depot_table[i].ti) == tile) {
00365 return as->depot_table + i;
00366 }
00367 }
00368 NOT_REACHED();
00369 }
00370 };
00371
00372 typedef SmallVector<Industry *, 2> IndustryVector;
00373
00375 struct Station FINAL : SpecializedStation<Station, false> {
00376 public:
00377 RoadStop *GetPrimaryRoadStop(RoadStopType type) const
00378 {
00379 return type == ROADSTOP_BUS ? bus_stops : truck_stops;
00380 }
00381
00382 RoadStop *GetPrimaryRoadStop(const struct RoadVehicle *v) const;
00383
00384 RoadStop *bus_stops;
00385 TileArea bus_station;
00386 RoadStop *truck_stops;
00387 TileArea truck_station;
00388
00389 Airport airport;
00390 TileIndex dock_tile;
00391
00392 IndustryType indtype;
00393
00394 StationHadVehicleOfTypeByte had_vehicle_of_type;
00395
00396 byte time_since_load;
00397 byte time_since_unload;
00398
00399 byte last_vehicle_type;
00400 std::list<Vehicle *> loading_vehicles;
00401 GoodsEntry goods[NUM_CARGO];
00402 uint32 always_accepted;
00403
00404 IndustryVector industries_near;
00405
00406 Station(TileIndex tile = INVALID_TILE);
00407 ~Station();
00408
00409 void AddFacility(StationFacility new_facility_bit, TileIndex facil_xy);
00410
00411 void MarkTilesDirty(bool cargo_change) const;
00412
00413 void UpdateVirtCoord();
00414
00415 uint GetPlatformLength(TileIndex tile, DiagDirection dir) const;
00416 uint GetPlatformLength(TileIndex tile) const;
00417 void RecomputeIndustriesNear();
00418 static void RecomputeIndustriesNearForAll();
00419
00420 uint GetCatchmentRadius() const;
00421 Rect GetCatchmentRect() const;
00422
00423 inline bool TileBelongsToRailStation(TileIndex tile) const
00424 {
00425 return IsRailStationTile(tile) && GetStationIndex(tile) == this->index;
00426 }
00427
00428 inline bool TileBelongsToAirport(TileIndex tile) const
00429 {
00430 return IsAirportTile(tile) && GetStationIndex(tile) == this->index;
00431 }
00432
00433 uint32 GetNewGRFVariable(const ResolverObject *object, byte variable, byte parameter, bool *available) const;
00434
00435 void GetTileArea(TileArea *ta, StationType type) const;
00436
00437 void RunAverages();
00438 };
00439
00440 #define FOR_ALL_STATIONS(var) FOR_ALL_BASE_STATIONS_OF_TYPE(Station, var)
00441
00443 class AirportTileIterator : public OrthogonalTileIterator {
00444 private:
00445 const Station *st;
00446
00447 public:
00452 AirportTileIterator(const Station *st) : OrthogonalTileIterator(st->airport), st(st)
00453 {
00454 if (!st->TileBelongsToAirport(this->tile)) ++(*this);
00455 }
00456
00457 inline TileIterator& operator ++()
00458 {
00459 (*this).OrthogonalTileIterator::operator++();
00460 while (this->tile != INVALID_TILE && !st->TileBelongsToAirport(this->tile)) {
00461 (*this).OrthogonalTileIterator::operator++();
00462 }
00463 return *this;
00464 }
00465
00466 virtual TileIterator *Clone() const
00467 {
00468 return new AirportTileIterator(*this);
00469 }
00470 };
00471
00472 #endif