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00012 #ifndef ROAD_MAP_H
00013 #define ROAD_MAP_H
00014
00015 #include "track_func.h"
00016 #include "depot_type.h"
00017 #include "rail_type.h"
00018 #include "road_func.h"
00019 #include "tile_map.h"
00020
00021
00022 enum RoadTileType {
00023 ROAD_TILE_NORMAL,
00024 ROAD_TILE_CROSSING,
00025 ROAD_TILE_DEPOT
00026 };
00027
00028 static inline RoadTileType GetRoadTileType(TileIndex t)
00029 {
00030 assert(IsTileType(t, MP_ROAD));
00031 return (RoadTileType)GB(_m[t].m5, 6, 2);
00032 }
00033
00034 static inline bool IsNormalRoad(TileIndex t)
00035 {
00036 return GetRoadTileType(t) == ROAD_TILE_NORMAL;
00037 }
00038
00039 static inline bool IsNormalRoadTile(TileIndex t)
00040 {
00041 return IsTileType(t, MP_ROAD) && IsNormalRoad(t);
00042 }
00043
00044 static inline bool IsLevelCrossing(TileIndex t)
00045 {
00046 return GetRoadTileType(t) == ROAD_TILE_CROSSING;
00047 }
00048
00049 static inline bool IsLevelCrossingTile(TileIndex t)
00050 {
00051 return IsTileType(t, MP_ROAD) && IsLevelCrossing(t);
00052 }
00053
00054 static inline bool IsRoadDepot(TileIndex t)
00055 {
00056 return GetRoadTileType(t) == ROAD_TILE_DEPOT;
00057 }
00058
00059 static inline bool IsRoadDepotTile(TileIndex t)
00060 {
00061 return IsTileType(t, MP_ROAD) && IsRoadDepot(t);
00062 }
00063
00064 static inline RoadBits GetRoadBits(TileIndex t, RoadType rt)
00065 {
00066 assert(IsNormalRoad(t));
00067 switch (rt) {
00068 default: NOT_REACHED();
00069 case ROADTYPE_ROAD: return (RoadBits)GB(_m[t].m5, 0, 4);
00070 case ROADTYPE_TRAM: return (RoadBits)GB(_m[t].m3, 0, 4);
00071 }
00072 }
00073
00081 static inline RoadBits GetOtherRoadBits(TileIndex t, RoadType rt)
00082 {
00083 return GetRoadBits(t, rt == ROADTYPE_ROAD ? ROADTYPE_TRAM : ROADTYPE_ROAD);
00084 }
00085
00092 static inline RoadBits GetAllRoadBits(TileIndex tile)
00093 {
00094 return GetRoadBits(tile, ROADTYPE_ROAD) | GetRoadBits(tile, ROADTYPE_TRAM);
00095 }
00096
00097 static inline void SetRoadBits(TileIndex t, RoadBits r, RoadType rt)
00098 {
00099 assert(IsNormalRoad(t));
00100 switch (rt) {
00101 default: NOT_REACHED();
00102 case ROADTYPE_ROAD: SB(_m[t].m5, 0, 4, r); break;
00103 case ROADTYPE_TRAM: SB(_m[t].m3, 0, 4, r); break;
00104 }
00105 }
00106
00107 static inline RoadTypes GetRoadTypes(TileIndex t)
00108 {
00109 return (RoadTypes)GB(_me[t].m7, 6, 2);
00110 }
00111
00112 static inline void SetRoadTypes(TileIndex t, RoadTypes rt)
00113 {
00114 assert(IsTileType(t, MP_ROAD) || IsTileType(t, MP_STATION) || IsTileType(t, MP_TUNNELBRIDGE));
00115 SB(_me[t].m7, 6, 2, rt);
00116 }
00117
00118 static inline bool HasTileRoadType(TileIndex t, RoadType rt)
00119 {
00120 return HasBit(GetRoadTypes(t), rt);
00121 }
00122
00123 static inline Owner GetRoadOwner(TileIndex t, RoadType rt)
00124 {
00125 switch (rt) {
00126 default: NOT_REACHED();
00127 case ROADTYPE_ROAD: return (Owner)GB(IsNormalRoadTile(t) ? _m[t].m1 : _me[t].m7, 0, 5);
00128 case ROADTYPE_TRAM: {
00129
00130
00131 Owner o = (Owner)GB(_m[t].m3, 4, 4);
00132 return o == OWNER_TOWN ? OWNER_NONE : o;
00133 }
00134 }
00135 }
00136
00137 static inline void SetRoadOwner(TileIndex t, RoadType rt, Owner o)
00138 {
00139 switch (rt) {
00140 default: NOT_REACHED();
00141 case ROADTYPE_ROAD: SB(IsNormalRoadTile(t) ? _m[t].m1 : _me[t].m7, 0, 5, o); break;
00142 case ROADTYPE_TRAM: SB(_m[t].m3, 4, 4, o == OWNER_NONE ? OWNER_TOWN : o); break;
00143 }
00144 }
00145
00146 static inline bool IsRoadOwner(TileIndex t, RoadType rt, Owner o)
00147 {
00148 assert(HasTileRoadType(t, rt));
00149 return (GetRoadOwner(t, rt) == o);
00150 }
00151
00157 static inline bool HasTownOwnedRoad(TileIndex t)
00158 {
00159 return HasTileRoadType(t, ROADTYPE_ROAD) && IsRoadOwner(t, ROADTYPE_ROAD, OWNER_TOWN);
00160 }
00161
00163 enum DisallowedRoadDirections {
00164 DRD_NONE,
00165 DRD_SOUTHBOUND,
00166 DRD_NORTHBOUND,
00167 DRD_BOTH,
00168 DRD_END
00169 };
00170 DECLARE_ENUM_AS_BIT_SET(DisallowedRoadDirections);
00171
00177 static inline DisallowedRoadDirections GetDisallowedRoadDirections(TileIndex t)
00178 {
00179 assert(IsNormalRoad(t));
00180 return (DisallowedRoadDirections)GB(_m[t].m5, 4, 2);
00181 }
00182
00188 static inline void SetDisallowedRoadDirections(TileIndex t, DisallowedRoadDirections drd)
00189 {
00190 assert(IsNormalRoad(t));
00191 assert(drd < DRD_END);
00192 SB(_m[t].m5, 4, 2, drd);
00193 }
00194
00195 static inline Axis GetCrossingRoadAxis(TileIndex t)
00196 {
00197 assert(IsLevelCrossing(t));
00198 return (Axis)GB(_m[t].m5, 0, 1);
00199 }
00200
00201 static inline Axis GetCrossingRailAxis(TileIndex t)
00202 {
00203 assert(IsLevelCrossing(t));
00204 return OtherAxis((Axis)GetCrossingRoadAxis(t));
00205 }
00206
00207 static inline RoadBits GetCrossingRoadBits(TileIndex tile)
00208 {
00209 return GetCrossingRoadAxis(tile) == AXIS_X ? ROAD_X : ROAD_Y;
00210 }
00211
00212 static inline Track GetCrossingRailTrack(TileIndex tile)
00213 {
00214 return AxisToTrack(GetCrossingRailAxis(tile));
00215 }
00216
00217 static inline TrackBits GetCrossingRailBits(TileIndex tile)
00218 {
00219 return AxisToTrackBits(GetCrossingRailAxis(tile));
00220 }
00221
00222
00229 static inline bool HasCrossingReservation(TileIndex t)
00230 {
00231 assert(IsLevelCrossingTile(t));
00232 return HasBit(_m[t].m5, 4);
00233 }
00234
00242 static inline void SetCrossingReservation(TileIndex t, bool b)
00243 {
00244 assert(IsLevelCrossingTile(t));
00245 SB(_m[t].m5, 4, 1, b ? 1 : 0);
00246 }
00247
00254 static inline TrackBits GetCrossingReservationTrackBits(TileIndex t)
00255 {
00256 return HasCrossingReservation(t) ? GetCrossingRailBits(t) : TRACK_BIT_NONE;
00257 }
00258
00259 static inline bool IsCrossingBarred(TileIndex t)
00260 {
00261 assert(IsLevelCrossing(t));
00262 return HasBit(_m[t].m5, 5);
00263 }
00264
00265 static inline void SetCrossingBarred(TileIndex t, bool barred)
00266 {
00267 assert(IsLevelCrossing(t));
00268 SB(_m[t].m5, 5, 1, barred ? 1 : 0);
00269 }
00270
00271 static inline void UnbarCrossing(TileIndex t)
00272 {
00273 SetCrossingBarred(t, false);
00274 }
00275
00276 static inline void BarCrossing(TileIndex t)
00277 {
00278 SetCrossingBarred(t, true);
00279 }
00280
00281 #define IsOnDesert IsOnSnow
00282 static inline bool IsOnSnow(TileIndex t)
00283 {
00284 return HasBit(_me[t].m7, 5);
00285 }
00286
00287 #define ToggleDesert ToggleSnow
00288 static inline void ToggleSnow(TileIndex t)
00289 {
00290 ToggleBit(_me[t].m7, 5);
00291 }
00292
00293
00294 enum Roadside {
00295 ROADSIDE_BARREN = 0,
00296 ROADSIDE_GRASS = 1,
00297 ROADSIDE_PAVED = 2,
00298 ROADSIDE_STREET_LIGHTS = 3,
00299 ROADSIDE_TREES = 5,
00300 ROADSIDE_GRASS_ROAD_WORKS = 6,
00301 ROADSIDE_PAVED_ROAD_WORKS = 7
00302 };
00303
00304 static inline Roadside GetRoadside(TileIndex tile)
00305 {
00306 return (Roadside)GB(_m[tile].m6, 3, 3);
00307 }
00308
00309 static inline void SetRoadside(TileIndex tile, Roadside s)
00310 {
00311 SB(_m[tile].m6, 3, 3, s);
00312 }
00313
00314 static inline bool HasRoadWorks(TileIndex t)
00315 {
00316 return GetRoadside(t) >= ROADSIDE_GRASS_ROAD_WORKS;
00317 }
00318
00319 static inline bool IncreaseRoadWorksCounter(TileIndex t)
00320 {
00321 AB(_me[t].m7, 0, 4, 1);
00322
00323 return GB(_me[t].m7, 0, 4) == 15;
00324 }
00325
00326 static inline void StartRoadWorks(TileIndex t)
00327 {
00328 assert(!HasRoadWorks(t));
00329
00330 switch (GetRoadside(t)) {
00331 case ROADSIDE_BARREN:
00332 case ROADSIDE_GRASS: SetRoadside(t, ROADSIDE_GRASS_ROAD_WORKS); break;
00333 default: SetRoadside(t, ROADSIDE_PAVED_ROAD_WORKS); break;
00334 }
00335 }
00336
00337 static inline void TerminateRoadWorks(TileIndex t)
00338 {
00339 assert(HasRoadWorks(t));
00340 SetRoadside(t, (Roadside)(GetRoadside(t) - ROADSIDE_GRASS_ROAD_WORKS + ROADSIDE_GRASS));
00341
00342 SB(_me[t].m7, 0, 4, 0);
00343 }
00344
00345
00346 static inline DiagDirection GetRoadDepotDirection(TileIndex t)
00347 {
00348 assert(IsRoadDepot(t));
00349 return (DiagDirection)GB(_m[t].m5, 0, 2);
00350 }
00351
00352
00369 RoadBits GetAnyRoadBits(TileIndex tile, RoadType rt, bool straight_tunnel_bridge_entrance = false);
00370
00371
00372 static inline void MakeRoadNormal(TileIndex t, RoadBits bits, RoadTypes rot, TownID town, Owner road, Owner tram)
00373 {
00374 SetTileType(t, MP_ROAD);
00375 SetTileOwner(t, road);
00376 _m[t].m2 = town;
00377 _m[t].m3 = (HasBit(rot, ROADTYPE_TRAM) ? bits : 0);
00378 _m[t].m4 = 0;
00379 _m[t].m5 = (HasBit(rot, ROADTYPE_ROAD) ? bits : 0) | ROAD_TILE_NORMAL << 6;
00380 SB(_m[t].m6, 2, 4, 0);
00381 _me[t].m7 = rot << 6;
00382 SetRoadOwner(t, ROADTYPE_TRAM, tram);
00383 }
00384
00385
00386 static inline void MakeRoadCrossing(TileIndex t, Owner road, Owner tram, Owner rail, Axis roaddir, RailType rat, RoadTypes rot, uint town)
00387 {
00388 SetTileType(t, MP_ROAD);
00389 SetTileOwner(t, rail);
00390 _m[t].m2 = town;
00391 _m[t].m3 = rat;
00392 _m[t].m4 = 0;
00393 _m[t].m5 = ROAD_TILE_CROSSING << 6 | roaddir;
00394 SB(_m[t].m6, 2, 4, 0);
00395 _me[t].m7 = rot << 6 | road;
00396 SetRoadOwner(t, ROADTYPE_TRAM, tram);
00397 }
00398
00399
00400 static inline void MakeRoadDepot(TileIndex t, Owner owner, DepotID did, DiagDirection dir, RoadType rt)
00401 {
00402 SetTileType(t, MP_ROAD);
00403 SetTileOwner(t, owner);
00404 _m[t].m2 = did;
00405 _m[t].m3 = 0;
00406 _m[t].m4 = 0;
00407 _m[t].m5 = ROAD_TILE_DEPOT << 6 | dir;
00408 SB(_m[t].m6, 2, 4, 0);
00409 _me[t].m7 = RoadTypeToRoadTypes(rt) << 6 | owner;
00410 SetRoadOwner(t, ROADTYPE_TRAM, owner);
00411 }
00412
00413 #endif