station_map.h

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00001 /* $Id: station_map.h 14491 2008-10-19 15:39:12Z 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 
00148 static inline bool GetStopBuiltOnTownRoad(TileIndex t)
00149 {
00150   assert(IsDriveThroughStopTile(t));
00151   return HasBit(_m[t].m6, 2);
00152 }
00153 
00154 static inline void SetStopBuiltOnTownRoad(TileIndex t, bool on_town_road)
00155 {
00156   assert(IsDriveThroughStopTile(t));
00157   SB(_m[t].m6, 2, 1, on_town_road);
00158 }
00159 
00160 
00164 static inline DiagDirection GetRoadStopDir(TileIndex t)
00165 {
00166   StationGfx gfx = GetStationGfx(t);
00167   assert(IsRoadStopTile(t));
00168   if (gfx < GFX_TRUCK_BUS_DRIVETHROUGH_OFFSET) {
00169     return (DiagDirection)(gfx);
00170   } else {
00171     return (DiagDirection)(gfx - GFX_TRUCK_BUS_DRIVETHROUGH_OFFSET);
00172   }
00173 }
00174 
00175 static inline bool IsOilRig(TileIndex t)
00176 {
00177   return GetStationType(t) == STATION_OILRIG;
00178 }
00179 
00180 static inline bool IsDock(TileIndex t)
00181 {
00182   return GetStationType(t) == STATION_DOCK;
00183 }
00184 
00185 static inline bool IsDockTile(TileIndex t)
00186 {
00187   return IsTileType(t, MP_STATION) && GetStationType(t) == STATION_DOCK;
00188 }
00189 
00190 static inline bool IsBuoy(TileIndex t)
00191 {
00192   return GetStationType(t) == STATION_BUOY;
00193 }
00194 
00195 static inline bool IsBuoyTile(TileIndex t)
00196 {
00197   return IsTileType(t, MP_STATION) && IsBuoy(t);
00198 }
00199 
00200 static inline bool IsHangarTile(TileIndex t)
00201 {
00202   return IsTileType(t, MP_STATION) && IsHangar(t);
00203 }
00204 
00205 
00206 static inline Axis GetRailStationAxis(TileIndex t)
00207 {
00208   assert(IsRailwayStation(t));
00209   return HasBit(GetStationGfx(t), 0) ? AXIS_Y : AXIS_X;
00210 }
00211 
00212 
00213 static inline Track GetRailStationTrack(TileIndex t)
00214 {
00215   return AxisToTrack(GetRailStationAxis(t));
00216 }
00217 
00218 static inline bool IsCompatibleTrainStationTile(TileIndex t1, TileIndex t2)
00219 {
00220   assert(IsRailwayStationTile(t2));
00221   return
00222     IsRailwayStationTile(t1) &&
00223     IsCompatibleRail(GetRailType(t1), GetRailType(t2)) &&
00224     GetRailStationAxis(t1) == GetRailStationAxis(t2) &&
00225     GetStationIndex(t1) == GetStationIndex(t2) &&
00226     !IsStationTileBlocked(t1);
00227 }
00228 
00235 static inline bool GetRailwayStationReservation(TileIndex t)
00236 {
00237   assert(IsRailwayStationTile(t));
00238   return HasBit(_m[t].m6, 2);
00239 }
00240 
00247 static inline void SetRailwayStationReservation(TileIndex t, bool b)
00248 {
00249   assert(IsRailwayStationTile(t));
00250   SB(_m[t].m6, 2, 1, b ? 1 : 0);
00251 }
00252 
00259 static inline TrackBits GetRailStationReservation(TileIndex t)
00260 {
00261   return GetRailwayStationReservation(t) ? AxisToTrackBits(GetRailStationAxis(t)) : TRACK_BIT_NONE;
00262 }
00263 
00264 
00265 static inline DiagDirection GetDockDirection(TileIndex t)
00266 {
00267   StationGfx gfx = GetStationGfx(t);
00268   assert(IsDock(t) && gfx < GFX_DOCK_BASE_WATER_PART);
00269   return (DiagDirection)(gfx);
00270 }
00271 
00272 static inline TileIndexDiffC GetDockOffset(TileIndex t)
00273 {
00274   static const TileIndexDiffC buoy_offset = {0, 0};
00275   static const TileIndexDiffC oilrig_offset = {2, 0};
00276   static const TileIndexDiffC dock_offset[DIAGDIR_END] = {
00277     {-2,  0},
00278     { 0,  2},
00279     { 2,  0},
00280     { 0, -2},
00281   };
00282   assert(IsTileType(t, MP_STATION));
00283 
00284   if (IsBuoy(t)) return buoy_offset;
00285   if (IsOilRig(t)) return oilrig_offset;
00286 
00287   assert(IsDock(t));
00288 
00289   return dock_offset[GetDockDirection(t)];
00290 }
00291 
00292 static inline bool IsCustomStationSpecIndex(TileIndex t)
00293 {
00294   assert(IsTileType(t, MP_STATION));
00295   return _m[t].m4 != 0;
00296 }
00297 
00298 static inline void SetCustomStationSpecIndex(TileIndex t, byte specindex)
00299 {
00300   assert(IsTileType(t, MP_STATION));
00301   _m[t].m4 = specindex;
00302 }
00303 
00304 static inline uint GetCustomStationSpecIndex(TileIndex t)
00305 {
00306   assert(IsTileType(t, MP_STATION));
00307   return _m[t].m4;
00308 }
00309 
00310 static inline void SetStationTileRandomBits(TileIndex t, byte random_bits)
00311 {
00312   assert(IsTileType(t, MP_STATION));
00313   SB(_m[t].m3, 4, 4, random_bits);
00314 }
00315 
00316 static inline byte GetStationTileRandomBits(TileIndex t)
00317 {
00318   assert(IsTileType(t, MP_STATION));
00319   return GB(_m[t].m3, 4, 4);
00320 }
00321 
00322 static inline void MakeStation(TileIndex t, Owner o, StationID sid, StationType st, byte section)
00323 {
00324   SetTileType(t, MP_STATION);
00325   SetTileOwner(t, o);
00326   _m[t].m2 = sid;
00327   _m[t].m3 = 0;
00328   _m[t].m4 = 0;
00329   _m[t].m5 = section;
00330   SB(_m[t].m6, 3, 3, st);
00331 }
00332 
00333 static inline void MakeRailStation(TileIndex t, Owner o, StationID sid, Axis a, byte section, RailType rt)
00334 {
00335   MakeStation(t, o, sid, STATION_RAIL, section + a);
00336   SetRailType(t, rt);
00337   SetRailwayStationReservation(t, false);
00338 }
00339 
00340 static inline void MakeRoadStop(TileIndex t, Owner o, StationID sid, RoadStopType rst, RoadTypes rt, DiagDirection d)
00341 {
00342   MakeStation(t, o, sid, (rst == ROADSTOP_BUS ? STATION_BUS : STATION_TRUCK), d);
00343   SetRoadTypes(t, rt);
00344 }
00345 
00346 static inline void MakeDriveThroughRoadStop(TileIndex t, Owner o, StationID sid, RoadStopType rst, RoadTypes rt, Axis a, bool on_town_road)
00347 {
00348   MakeStation(t, o, sid, (rst == ROADSTOP_BUS ? STATION_BUS : STATION_TRUCK), GFX_TRUCK_BUS_DRIVETHROUGH_OFFSET + a);
00349   SB(_m[t].m6, 2, 1, on_town_road);
00350   SetRoadTypes(t, rt);
00351 }
00352 
00353 static inline void MakeAirport(TileIndex t, Owner o, StationID sid, byte section)
00354 {
00355   MakeStation(t, o, sid, STATION_AIRPORT, section);
00356 }
00357 
00358 static inline void MakeBuoy(TileIndex t, StationID sid, WaterClass wc)
00359 {
00360   /* Make the owner of the buoy tile the same as the current owner of the
00361    * water tile. In this way, we can reset the owner of the water to its
00362    * original state when the buoy gets removed. */
00363   MakeStation(t, GetTileOwner(t), sid, STATION_BUOY, 0);
00364   SetWaterClass(t, wc);
00365 }
00366 
00367 static inline void MakeDock(TileIndex t, Owner o, StationID sid, DiagDirection d, WaterClass wc)
00368 {
00369   MakeStation(t, o, sid, STATION_DOCK, d);
00370   MakeStation(t + TileOffsByDiagDir(d), o, sid, STATION_DOCK, GFX_DOCK_BASE_WATER_PART + DiagDirToAxis(d));
00371   SetWaterClass(t + TileOffsByDiagDir(d), wc);
00372 }
00373 
00374 static inline void MakeOilrig(TileIndex t, StationID sid, WaterClass wc)
00375 {
00376   MakeStation(t, OWNER_NONE, sid, STATION_OILRIG, 0);
00377   SetWaterClass(t, wc);
00378 }
00379 
00380 #endif /* STATION_MAP_H */

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