# station_map.h

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    00001 /* $Id: station_map.h 16481 2009-05-31 12:18:03Z rubidium $ */
    00002
    00005 #ifndef STATION_MAP_H
    00006 #define STATION_MAP_H
    00007
    00008 #include "rail_map.h"
    00009 #include "road_map.h"
    00010 #include "water_map.h"
    00011 #include "station_func.h"
    00012 #include "station_base.h"
    00013 #include "rail.h"
    00014
    00015 typedef byte StationGfx;
    00016
    00021 static inline StationID GetStationIndex(TileIndex t)
    00022 {
    00023   assert(IsTileType(t, MP_STATION));
    00024   return (StationID)_m[t].m2;
    00025 }
    00026
    00027 static inline Station *GetStationByTile(TileIndex t)
    00028 {
    00029   return GetStation(GetStationIndex(t));
    00030 }
    00031
    00032
    00033 enum {
    00034   GFX_RADAR_LARGE_FIRST             =  31,
    00035   GFX_RADAR_LARGE_LAST              =  42,
    00036   GFX_WINDSACK_FIRST                =  50,
    00037   GFX_WINDSACK_LAST                 =  53,
    00038
    00039   GFX_DOCK_BASE_WATER_PART          =  4,
    00040   GFX_TRUCK_BUS_DRIVETHROUGH_OFFSET =  4,
    00041
    00042   GFX_RADAR_INTERNATIONAL_FIRST     =  66,
    00043   GFX_RADAR_INTERNATIONAL_LAST      =  77,
    00044   GFX_RADAR_METROPOLITAN_FIRST      =  78,
    00045   GFX_RADAR_METROPOLITAN_LAST       =  89,
    00046   GFX_RADAR_DISTRICTWE_FIRST        = 121,
    00047   GFX_RADAR_DISTRICTWE_LAST         = 132,
    00048   GFX_WINDSACK_INTERCON_FIRST       = 140,
    00049   GFX_WINDSACK_INTERCON_LAST        = 143,
    00050 };
    00051
    00052 static inline StationType GetStationType(TileIndex t)
    00053 {
    00054   return (StationType)GB(_m[t].m6, 3, 3);
    00055 }
    00056
    00057 static inline RoadStopType GetRoadStopType(TileIndex t)
    00058 {
    00059   assert(GetStationType(t) == STATION_TRUCK || GetStationType(t) == STATION_BUS);
    00060   return GetStationType(t) == STATION_TRUCK ? ROADSTOP_TRUCK : ROADSTOP_BUS;
    00061 }
    00062
    00063 static inline StationGfx GetStationGfx(TileIndex t)
    00064 {
    00065   assert(IsTileType(t, MP_STATION));
    00066   return _m[t].m5;
    00067 }
    00068
    00069 static inline void SetStationGfx(TileIndex t, StationGfx gfx)
    00070 {
    00071   assert(IsTileType(t, MP_STATION));
    00072   _m[t].m5 = gfx;
    00073 }
    00074
    00075 static inline uint8 GetStationAnimationFrame(TileIndex t)
    00076 {
    00077   assert(IsTileType(t, MP_STATION));
    00078   return _me[t].m7;
    00079 }
    00080
    00081 static inline void SetStationAnimationFrame(TileIndex t, uint8 frame)
    00082 {
    00083   assert(IsTileType(t, MP_STATION));
    00084   _me[t].m7 = frame;
    00085 }
    00086
    00087 static inline bool IsRailwayStation(TileIndex t)
    00088 {
    00089   return GetStationType(t) == STATION_RAIL;
    00090 }
    00091
    00092 static inline bool IsRailwayStationTile(TileIndex t)
    00093 {
    00094   return IsTileType(t, MP_STATION) && IsRailwayStation(t);
    00095 }
    00096
    00097 static inline bool IsAirport(TileIndex t)
    00098 {
    00099   return GetStationType(t) == STATION_AIRPORT;
    00100 }
    00101
    00102 bool IsHangar(TileIndex t);
    00103
    00108 static inline bool IsTruckStop(TileIndex t)
    00109 {
    00110   return GetStationType(t) == STATION_TRUCK;
    00111 }
    00112
    00117 static inline bool IsBusStop(TileIndex t)
    00118 {
    00119   return GetStationType(t) == STATION_BUS;
    00120 }
    00121
    00127 static inline bool IsRoadStop(TileIndex t)
    00128 {
    00129   assert(IsTileType(t, MP_STATION));
    00130   return IsTruckStop(t) || IsBusStop(t);
    00131 }
    00132
    00133 static inline bool IsRoadStopTile(TileIndex t)
    00134 {
    00135   return IsTileType(t, MP_STATION) && IsRoadStop(t);
    00136 }
    00137
    00138 static inline bool IsStandardRoadStopTile(TileIndex t)
    00139 {
    00140   return IsRoadStopTile(t) && GetStationGfx(t) < GFX_TRUCK_BUS_DRIVETHROUGH_OFFSET;
    00141 }
    00142
    00143 static inline bool IsDriveThroughStopTile(TileIndex t)
    00144 {
    00145   return IsRoadStopTile(t) && GetStationGfx(t) >= GFX_TRUCK_BUS_DRIVETHROUGH_OFFSET;
    00146 }
    00147
    00151 static inline DiagDirection GetRoadStopDir(TileIndex t)
    00152 {
    00153   StationGfx gfx = GetStationGfx(t);
    00154   assert(IsRoadStopTile(t));
    00155   if (gfx < GFX_TRUCK_BUS_DRIVETHROUGH_OFFSET) {
    00156     return (DiagDirection)(gfx);
    00157   } else {
    00158     return (DiagDirection)(gfx - GFX_TRUCK_BUS_DRIVETHROUGH_OFFSET);
    00159   }
    00160 }
    00161
    00162 static inline bool IsOilRig(TileIndex t)
    00163 {
    00164   return GetStationType(t) == STATION_OILRIG;
    00165 }
    00166
    00167 static inline bool IsDock(TileIndex t)
    00168 {
    00169   return GetStationType(t) == STATION_DOCK;
    00170 }
    00171
    00172 static inline bool IsDockTile(TileIndex t)
    00173 {
    00174   return IsTileType(t, MP_STATION) && GetStationType(t) == STATION_DOCK;
    00175 }
    00176
    00177 static inline bool IsBuoy(TileIndex t)
    00178 {
    00179   return GetStationType(t) == STATION_BUOY;
    00180 }
    00181
    00182 static inline bool IsBuoyTile(TileIndex t)
    00183 {
    00184   return IsTileType(t, MP_STATION) && IsBuoy(t);
    00185 }
    00186
    00187 static inline bool IsHangarTile(TileIndex t)
    00188 {
    00189   return IsTileType(t, MP_STATION) && IsHangar(t);
    00190 }
    00191
    00192
    00193 static inline Axis GetRailStationAxis(TileIndex t)
    00194 {
    00195   assert(IsRailwayStation(t));
    00196   return HasBit(GetStationGfx(t), 0) ? AXIS_Y : AXIS_X;
    00197 }
    00198
    00199
    00200 static inline Track GetRailStationTrack(TileIndex t)
    00201 {
    00202   return AxisToTrack(GetRailStationAxis(t));
    00203 }
    00204
    00205 static inline TrackBits GetRailStationTrackBits(TileIndex t)
    00206 {
    00207   return AxisToTrackBits(GetRailStationAxis(t));
    00208 }
    00209
    00210 static inline bool IsCompatibleTrainStationTile(TileIndex t1, TileIndex t2)
    00211 {
    00212   assert(IsRailwayStationTile(t2));
    00213   return
    00214     IsRailwayStationTile(t1) &&
    00215     IsCompatibleRail(GetRailType(t1), GetRailType(t2)) &&
    00216     GetRailStationAxis(t1) == GetRailStationAxis(t2) &&
    00217     GetStationIndex(t1) == GetStationIndex(t2) &&
    00218     !IsStationTileBlocked(t1);
    00219 }
    00220
    00227 static inline bool GetRailwayStationReservation(TileIndex t)
    00228 {
    00229   assert(IsRailwayStationTile(t));
    00230   return HasBit(_m[t].m6, 2);
    00231 }
    00232
    00239 static inline void SetRailwayStationReservation(TileIndex t, bool b)
    00240 {
    00241   assert(IsRailwayStationTile(t));
    00242   SB(_m[t].m6, 2, 1, b ? 1 : 0);
    00243 }
    00244
    00251 static inline TrackBits GetRailStationReservation(TileIndex t)
    00252 {
    00253   return GetRailwayStationReservation(t) ? GetRailStationTrackBits(t) : TRACK_BIT_NONE;
    00254 }
    00255
    00256
    00257 static inline DiagDirection GetDockDirection(TileIndex t)
    00258 {
    00259   StationGfx gfx = GetStationGfx(t);
    00260   assert(IsDock(t) && gfx < GFX_DOCK_BASE_WATER_PART);
    00261   return (DiagDirection)(gfx);
    00262 }
    00263
    00264 static inline TileIndexDiffC GetDockOffset(TileIndex t)
    00265 {
    00266   static const TileIndexDiffC buoy_offset = {0, 0};
    00267   static const TileIndexDiffC oilrig_offset = {2, 0};
    00268   static const TileIndexDiffC dock_offset[DIAGDIR_END] = {
    00269     {-2,  0},
    00270     { 0,  2},
    00271     { 2,  0},
    00272     { 0, -2},
    00273   };
    00274   assert(IsTileType(t, MP_STATION));
    00275
    00276   if (IsBuoy(t)) return buoy_offset;
    00277   if (IsOilRig(t)) return oilrig_offset;
    00278
    00279   assert(IsDock(t));
    00280
    00281   return dock_offset[GetDockDirection(t)];
    00282 }
    00283
    00284 static inline bool IsCustomStationSpecIndex(TileIndex t)
    00285 {
    00286   assert(IsTileType(t, MP_STATION));
    00287   return _m[t].m4 != 0;
    00288 }
    00289
    00290 static inline void SetCustomStationSpecIndex(TileIndex t, byte specindex)
    00291 {
    00292   assert(IsTileType(t, MP_STATION));
    00293   _m[t].m4 = specindex;
    00294 }
    00295
    00296 static inline uint GetCustomStationSpecIndex(TileIndex t)
    00297 {
    00298   assert(IsTileType(t, MP_STATION));
    00299   return _m[t].m4;
    00300 }
    00301
    00302 static inline void SetStationTileRandomBits(TileIndex t, byte random_bits)
    00303 {
    00304   assert(IsTileType(t, MP_STATION));
    00305   SB(_m[t].m3, 4, 4, random_bits);
    00306 }
    00307
    00308 static inline byte GetStationTileRandomBits(TileIndex t)
    00309 {
    00310   assert(IsTileType(t, MP_STATION));
    00311   return GB(_m[t].m3, 4, 4);
    00312 }
    00313
    00314 static inline void MakeStation(TileIndex t, Owner o, StationID sid, StationType st, byte section)
    00315 {
    00316   SetTileType(t, MP_STATION);
    00317   SetTileOwner(t, o);
    00318   _m[t].m2 = sid;
    00319   _m[t].m3 = 0;
    00320   _m[t].m4 = 0;
    00321   _m[t].m5 = section;
    00322   SB(_m[t].m6, 2, 1, 0);
    00323   SB(_m[t].m6, 3, 3, st);
    00324   _me[t].m7 = 0;
    00325 }
    00326
    00327 static inline void MakeRailStation(TileIndex t, Owner o, StationID sid, Axis a, byte section, RailType rt)
    00328 {
    00329   MakeStation(t, o, sid, STATION_RAIL, section + a);
    00330   SetRailType(t, rt);
    00331   SetRailwayStationReservation(t, false);
    00332 }
    00333
    00334 static inline void MakeRoadStop(TileIndex t, Owner o, StationID sid, RoadStopType rst, RoadTypes rt, DiagDirection d)
    00335 {
    00336   MakeStation(t, o, sid, (rst == ROADSTOP_BUS ? STATION_BUS : STATION_TRUCK), d);
    00337   SetRoadTypes(t, rt);
    00338   SetRoadOwner(t, ROADTYPE_ROAD, o);
    00339   SetRoadOwner(t, ROADTYPE_TRAM, o);
    00340 }
    00341
    00342 static inline void MakeDriveThroughRoadStop(TileIndex t, Owner station, Owner road, Owner tram, StationID sid, RoadStopType rst, RoadTypes rt, Axis a)
    00343 {
    00344   MakeStation(t, station, sid, (rst == ROADSTOP_BUS ? STATION_BUS : STATION_TRUCK), GFX_TRUCK_BUS_DRIVETHROUGH_OFFSET + a);
    00345   SetRoadTypes(t, rt);
    00346   SetRoadOwner(t, ROADTYPE_ROAD, road);
    00347   SetRoadOwner(t, ROADTYPE_TRAM, tram);
    00348 }
    00349
    00350 static inline void MakeAirport(TileIndex t, Owner o, StationID sid, byte section)
    00351 {
    00352   MakeStation(t, o, sid, STATION_AIRPORT, section);
    00353 }
    00354
    00355 static inline void MakeBuoy(TileIndex t, StationID sid, WaterClass wc)
    00356 {
    00357   /* Make the owner of the buoy tile the same as the current owner of the
    00358    * water tile. In this way, we can reset the owner of the water to its
    00359    * original state when the buoy gets removed. */
    00360   MakeStation(t, GetTileOwner(t), sid, STATION_BUOY, 0);
    00361   SetWaterClass(t, wc);
    00362 }
    00363
    00364 static inline void MakeDock(TileIndex t, Owner o, StationID sid, DiagDirection d, WaterClass wc)
    00365 {
    00366   MakeStation(t, o, sid, STATION_DOCK, d);
    00367   MakeStation(t + TileOffsByDiagDir(d), o, sid, STATION_DOCK, GFX_DOCK_BASE_WATER_PART + DiagDirToAxis(d));
    00368   SetWaterClass(t + TileOffsByDiagDir(d), wc);
    00369 }
    00370
    00371 static inline void MakeOilrig(TileIndex t, StationID sid, WaterClass wc)
    00372 {
    00373   MakeStation(t, OWNER_NONE, sid, STATION_OILRIG, 0);
    00374   SetWaterClass(t, wc);
    00375 }
    00376
    00377 #endif /* STATION_MAP_H */