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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 "town_type.h"
00019 #include "road_func.h"
00020 #include "tile_map.h"
00021
00022
00023 enum RoadTileType {
00024 ROAD_TILE_NORMAL,
00025 ROAD_TILE_CROSSING,
00026 ROAD_TILE_DEPOT
00027 };
00028
00029 static inline RoadTileType GetRoadTileType(TileIndex t)
00030 {
00031 assert(IsTileType(t, MP_ROAD));
00032 return (RoadTileType)GB(_m[t].m5, 6, 2);
00033 }
00034
00035 static inline bool IsNormalRoad(TileIndex t)
00036 {
00037 return GetRoadTileType(t) == ROAD_TILE_NORMAL;
00038 }
00039
00040 static inline bool IsNormalRoadTile(TileIndex t)
00041 {
00042 return IsTileType(t, MP_ROAD) && IsNormalRoad(t);
00043 }
00044
00045 static inline bool IsLevelCrossing(TileIndex t)
00046 {
00047 return GetRoadTileType(t) == ROAD_TILE_CROSSING;
00048 }
00049
00050 static inline bool IsLevelCrossingTile(TileIndex t)
00051 {
00052 return IsTileType(t, MP_ROAD) && IsLevelCrossing(t);
00053 }
00054
00055 static inline bool IsRoadDepot(TileIndex t)
00056 {
00057 return GetRoadTileType(t) == ROAD_TILE_DEPOT;
00058 }
00059
00060 static inline bool IsRoadDepotTile(TileIndex t)
00061 {
00062 return IsTileType(t, MP_ROAD) && IsRoadDepot(t);
00063 }
00064
00065 static inline RoadBits GetRoadBits(TileIndex t, RoadType rt)
00066 {
00067 assert(IsNormalRoad(t));
00068 switch (rt) {
00069 default: NOT_REACHED();
00070 case ROADTYPE_ROAD: return (RoadBits)GB(_m[t].m5, 0, 4);
00071 case ROADTYPE_TRAM: return (RoadBits)GB(_m[t].m3, 0, 4);
00072 }
00073 }
00074
00082 static inline RoadBits GetOtherRoadBits(TileIndex t, RoadType rt)
00083 {
00084 return GetRoadBits(t, rt == ROADTYPE_ROAD ? ROADTYPE_TRAM : ROADTYPE_ROAD);
00085 }
00086
00093 static inline RoadBits GetAllRoadBits(TileIndex tile)
00094 {
00095 return GetRoadBits(tile, ROADTYPE_ROAD) | GetRoadBits(tile, ROADTYPE_TRAM);
00096 }
00097
00098 static inline void SetRoadBits(TileIndex t, RoadBits r, RoadType rt)
00099 {
00100 assert(IsNormalRoad(t));
00101 switch (rt) {
00102 default: NOT_REACHED();
00103 case ROADTYPE_ROAD: SB(_m[t].m5, 0, 4, r); break;
00104 case ROADTYPE_TRAM: SB(_m[t].m3, 0, 4, r); break;
00105 }
00106 }
00107
00108 static inline RoadTypes GetRoadTypes(TileIndex t)
00109 {
00110 return (RoadTypes)GB(_me[t].m7, 6, 2);
00111 }
00112
00113 static inline void SetRoadTypes(TileIndex t, RoadTypes rt)
00114 {
00115 assert(IsTileType(t, MP_ROAD) || IsTileType(t, MP_STATION) || IsTileType(t, MP_TUNNELBRIDGE));
00116 SB(_me[t].m7, 6, 2, rt);
00117 }
00118
00119 static inline bool HasTileRoadType(TileIndex t, RoadType rt)
00120 {
00121 return HasBit(GetRoadTypes(t), rt);
00122 }
00123
00124 static inline Owner GetRoadOwner(TileIndex t, RoadType rt)
00125 {
00126 switch (rt) {
00127 default: NOT_REACHED();
00128 case ROADTYPE_ROAD: return (Owner)GB(IsNormalRoadTile(t) ? _m[t].m1 : _me[t].m7, 0, 5);
00129 case ROADTYPE_TRAM: {
00130
00131
00132 Owner o = (Owner)GB(_m[t].m3, 4, 4);
00133 return o == OWNER_TOWN ? OWNER_NONE : o;
00134 }
00135 }
00136 }
00137
00138 static inline void SetRoadOwner(TileIndex t, RoadType rt, Owner o)
00139 {
00140 switch (rt) {
00141 default: NOT_REACHED();
00142 case ROADTYPE_ROAD: SB(IsNormalRoadTile(t) ? _m[t].m1 : _me[t].m7, 0, 5, o); break;
00143 case ROADTYPE_TRAM: SB(_m[t].m3, 4, 4, o == OWNER_NONE ? OWNER_TOWN : o); break;
00144 }
00145 }
00146
00147 static inline bool IsRoadOwner(TileIndex t, RoadType rt, Owner o)
00148 {
00149 assert(HasTileRoadType(t, rt));
00150 return (GetRoadOwner(t, rt) == o);
00151 }
00152
00158 static inline bool HasTownOwnedRoad(TileIndex t)
00159 {
00160 return HasTileRoadType(t, ROADTYPE_ROAD) && IsRoadOwner(t, ROADTYPE_ROAD, OWNER_TOWN);
00161 }
00162
00164 enum DisallowedRoadDirections {
00165 DRD_NONE,
00166 DRD_SOUTHBOUND,
00167 DRD_NORTHBOUND,
00168 DRD_BOTH,
00169 DRD_END
00170 };
00171 DECLARE_ENUM_AS_BIT_SET(DisallowedRoadDirections);
00172
00178 static inline DisallowedRoadDirections GetDisallowedRoadDirections(TileIndex t)
00179 {
00180 assert(IsNormalRoad(t));
00181 return (DisallowedRoadDirections)GB(_m[t].m5, 4, 2);
00182 }
00183
00189 static inline void SetDisallowedRoadDirections(TileIndex t, DisallowedRoadDirections drd)
00190 {
00191 assert(IsNormalRoad(t));
00192 assert(drd < DRD_END);
00193 SB(_m[t].m5, 4, 2, drd);
00194 }
00195
00196 static inline Axis GetCrossingRoadAxis(TileIndex t)
00197 {
00198 assert(IsLevelCrossing(t));
00199 return (Axis)GB(_m[t].m5, 0, 1);
00200 }
00201
00202 static inline Axis GetCrossingRailAxis(TileIndex t)
00203 {
00204 assert(IsLevelCrossing(t));
00205 return OtherAxis((Axis)GetCrossingRoadAxis(t));
00206 }
00207
00208 static inline RoadBits GetCrossingRoadBits(TileIndex tile)
00209 {
00210 return GetCrossingRoadAxis(tile) == AXIS_X ? ROAD_X : ROAD_Y;
00211 }
00212
00213 static inline Track GetCrossingRailTrack(TileIndex tile)
00214 {
00215 return AxisToTrack(GetCrossingRailAxis(tile));
00216 }
00217
00218 static inline TrackBits GetCrossingRailBits(TileIndex tile)
00219 {
00220 return AxisToTrackBits(GetCrossingRailAxis(tile));
00221 }
00222
00223
00230 static inline bool HasCrossingReservation(TileIndex t)
00231 {
00232 assert(IsLevelCrossingTile(t));
00233 return HasBit(_m[t].m5, 4);
00234 }
00235
00243 static inline void SetCrossingReservation(TileIndex t, bool b)
00244 {
00245 assert(IsLevelCrossingTile(t));
00246 SB(_m[t].m5, 4, 1, b ? 1 : 0);
00247 }
00248
00255 static inline TrackBits GetCrossingReservationTrackBits(TileIndex t)
00256 {
00257 return HasCrossingReservation(t) ? GetCrossingRailBits(t) : TRACK_BIT_NONE;
00258 }
00259
00260 static inline bool IsCrossingBarred(TileIndex t)
00261 {
00262 assert(IsLevelCrossing(t));
00263 return HasBit(_m[t].m5, 5);
00264 }
00265
00266 static inline void SetCrossingBarred(TileIndex t, bool barred)
00267 {
00268 assert(IsLevelCrossing(t));
00269 SB(_m[t].m5, 5, 1, barred ? 1 : 0);
00270 }
00271
00272 static inline void UnbarCrossing(TileIndex t)
00273 {
00274 SetCrossingBarred(t, false);
00275 }
00276
00277 static inline void BarCrossing(TileIndex t)
00278 {
00279 SetCrossingBarred(t, true);
00280 }
00281
00282 #define IsOnDesert IsOnSnow
00283 static inline bool IsOnSnow(TileIndex t)
00284 {
00285 return HasBit(_me[t].m7, 5);
00286 }
00287
00288 #define ToggleDesert ToggleSnow
00289 static inline void ToggleSnow(TileIndex t)
00290 {
00291 ToggleBit(_me[t].m7, 5);
00292 }
00293
00294
00295 enum Roadside {
00296 ROADSIDE_BARREN = 0,
00297 ROADSIDE_GRASS = 1,
00298 ROADSIDE_PAVED = 2,
00299 ROADSIDE_STREET_LIGHTS = 3,
00300 ROADSIDE_TREES = 5,
00301 ROADSIDE_GRASS_ROAD_WORKS = 6,
00302 ROADSIDE_PAVED_ROAD_WORKS = 7
00303 };
00304
00305 static inline Roadside GetRoadside(TileIndex tile)
00306 {
00307 return (Roadside)GB(_m[tile].m6, 3, 3);
00308 }
00309
00310 static inline void SetRoadside(TileIndex tile, Roadside s)
00311 {
00312 SB(_m[tile].m6, 3, 3, s);
00313 }
00314
00315 static inline bool HasRoadWorks(TileIndex t)
00316 {
00317 return GetRoadside(t) >= ROADSIDE_GRASS_ROAD_WORKS;
00318 }
00319
00320 static inline bool IncreaseRoadWorksCounter(TileIndex t)
00321 {
00322 AB(_me[t].m7, 0, 4, 1);
00323
00324 return GB(_me[t].m7, 0, 4) == 15;
00325 }
00326
00327 static inline void StartRoadWorks(TileIndex t)
00328 {
00329 assert(!HasRoadWorks(t));
00330
00331 switch (GetRoadside(t)) {
00332 case ROADSIDE_BARREN:
00333 case ROADSIDE_GRASS: SetRoadside(t, ROADSIDE_GRASS_ROAD_WORKS); break;
00334 default: SetRoadside(t, ROADSIDE_PAVED_ROAD_WORKS); break;
00335 }
00336 }
00337
00338 static inline void TerminateRoadWorks(TileIndex t)
00339 {
00340 assert(HasRoadWorks(t));
00341 SetRoadside(t, (Roadside)(GetRoadside(t) - ROADSIDE_GRASS_ROAD_WORKS + ROADSIDE_GRASS));
00342
00343 SB(_me[t].m7, 0, 4, 0);
00344 }
00345
00346
00347 static inline DiagDirection GetRoadDepotDirection(TileIndex t)
00348 {
00349 assert(IsRoadDepot(t));
00350 return (DiagDirection)GB(_m[t].m5, 0, 2);
00351 }
00352
00353
00370 RoadBits GetAnyRoadBits(TileIndex tile, RoadType rt, bool straight_tunnel_bridge_entrance = false);
00371
00372
00373 static inline void MakeRoadNormal(TileIndex t, RoadBits bits, RoadTypes rot, TownID town, Owner road, Owner tram)
00374 {
00375 SetTileType(t, MP_ROAD);
00376 SetTileOwner(t, road);
00377 _m[t].m2 = town;
00378 _m[t].m3 = (HasBit(rot, ROADTYPE_TRAM) ? bits : 0);
00379 _m[t].m4 = 0;
00380 _m[t].m5 = (HasBit(rot, ROADTYPE_ROAD) ? bits : 0) | ROAD_TILE_NORMAL << 6;
00381 SB(_m[t].m6, 2, 4, 0);
00382 _me[t].m7 = rot << 6;
00383 SetRoadOwner(t, ROADTYPE_TRAM, tram);
00384 }
00385
00386
00387 static inline void MakeRoadCrossing(TileIndex t, Owner road, Owner tram, Owner rail, Axis roaddir, RailType rat, RoadTypes rot, uint town)
00388 {
00389 SetTileType(t, MP_ROAD);
00390 SetTileOwner(t, rail);
00391 _m[t].m2 = town;
00392 _m[t].m3 = rat;
00393 _m[t].m4 = 0;
00394 _m[t].m5 = ROAD_TILE_CROSSING << 6 | roaddir;
00395 SB(_m[t].m6, 2, 4, 0);
00396 _me[t].m7 = rot << 6 | road;
00397 SetRoadOwner(t, ROADTYPE_TRAM, tram);
00398 }
00399
00400
00401 static inline void MakeRoadDepot(TileIndex t, Owner owner, DepotID did, DiagDirection dir, RoadType rt)
00402 {
00403 SetTileType(t, MP_ROAD);
00404 SetTileOwner(t, owner);
00405 _m[t].m2 = did;
00406 _m[t].m3 = 0;
00407 _m[t].m4 = 0;
00408 _m[t].m5 = ROAD_TILE_DEPOT << 6 | dir;
00409 SB(_m[t].m6, 2, 4, 0);
00410 _me[t].m7 = RoadTypeToRoadTypes(rt) << 6 | owner;
00411 SetRoadOwner(t, ROADTYPE_TRAM, owner);
00412 }
00413
00414 #endif