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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
00023 enum RoadTileType {
00024 ROAD_TILE_NORMAL,
00025 ROAD_TILE_CROSSING,
00026 ROAD_TILE_DEPOT
00027 };
00028
00035 static inline RoadTileType GetRoadTileType(TileIndex t)
00036 {
00037 assert(IsTileType(t, MP_ROAD));
00038 return (RoadTileType)GB(_m[t].m5, 6, 2);
00039 }
00040
00047 static inline bool IsNormalRoad(TileIndex t)
00048 {
00049 return GetRoadTileType(t) == ROAD_TILE_NORMAL;
00050 }
00051
00057 static inline bool IsNormalRoadTile(TileIndex t)
00058 {
00059 return IsTileType(t, MP_ROAD) && IsNormalRoad(t);
00060 }
00061
00068 static inline bool IsLevelCrossing(TileIndex t)
00069 {
00070 return GetRoadTileType(t) == ROAD_TILE_CROSSING;
00071 }
00072
00078 static inline bool IsLevelCrossingTile(TileIndex t)
00079 {
00080 return IsTileType(t, MP_ROAD) && IsLevelCrossing(t);
00081 }
00082
00089 static inline bool IsRoadDepot(TileIndex t)
00090 {
00091 return GetRoadTileType(t) == ROAD_TILE_DEPOT;
00092 }
00093
00099 static inline bool IsRoadDepotTile(TileIndex t)
00100 {
00101 return IsTileType(t, MP_ROAD) && IsRoadDepot(t);
00102 }
00103
00111 static inline RoadBits GetRoadBits(TileIndex t, RoadType rt)
00112 {
00113 assert(IsNormalRoad(t));
00114 switch (rt) {
00115 default: NOT_REACHED();
00116 case ROADTYPE_ROAD: return (RoadBits)GB(_m[t].m5, 0, 4);
00117 case ROADTYPE_TRAM: return (RoadBits)GB(_m[t].m3, 0, 4);
00118 }
00119 }
00120
00128 static inline RoadBits GetOtherRoadBits(TileIndex t, RoadType rt)
00129 {
00130 return GetRoadBits(t, rt == ROADTYPE_ROAD ? ROADTYPE_TRAM : ROADTYPE_ROAD);
00131 }
00132
00139 static inline RoadBits GetAllRoadBits(TileIndex tile)
00140 {
00141 return GetRoadBits(tile, ROADTYPE_ROAD) | GetRoadBits(tile, ROADTYPE_TRAM);
00142 }
00143
00151 static inline void SetRoadBits(TileIndex t, RoadBits r, RoadType rt)
00152 {
00153 assert(IsNormalRoad(t));
00154 switch (rt) {
00155 default: NOT_REACHED();
00156 case ROADTYPE_ROAD: SB(_m[t].m5, 0, 4, r); break;
00157 case ROADTYPE_TRAM: SB(_m[t].m3, 0, 4, r); break;
00158 }
00159 }
00160
00166 static inline RoadTypes GetRoadTypes(TileIndex t)
00167 {
00168 return (RoadTypes)GB(_me[t].m7, 6, 2);
00169 }
00170
00176 static inline void SetRoadTypes(TileIndex t, RoadTypes rt)
00177 {
00178 assert(IsTileType(t, MP_ROAD) || IsTileType(t, MP_STATION) || IsTileType(t, MP_TUNNELBRIDGE));
00179 SB(_me[t].m7, 6, 2, rt);
00180 }
00181
00188 static inline bool HasTileRoadType(TileIndex t, RoadType rt)
00189 {
00190 return HasBit(GetRoadTypes(t), rt);
00191 }
00192
00199 static inline Owner GetRoadOwner(TileIndex t, RoadType rt)
00200 {
00201 assert(IsTileType(t, MP_ROAD) || IsTileType(t, MP_STATION) || IsTileType(t, MP_TUNNELBRIDGE));
00202 switch (rt) {
00203 default: NOT_REACHED();
00204 case ROADTYPE_ROAD: return (Owner)GB(IsNormalRoadTile(t) ? _m[t].m1 : _me[t].m7, 0, 5);
00205 case ROADTYPE_TRAM: {
00206
00207
00208 Owner o = (Owner)GB(_m[t].m3, 4, 4);
00209 return o == OWNER_TOWN ? OWNER_NONE : o;
00210 }
00211 }
00212 }
00213
00220 static inline void SetRoadOwner(TileIndex t, RoadType rt, Owner o)
00221 {
00222 switch (rt) {
00223 default: NOT_REACHED();
00224 case ROADTYPE_ROAD: SB(IsNormalRoadTile(t) ? _m[t].m1 : _me[t].m7, 0, 5, o); break;
00225 case ROADTYPE_TRAM: SB(_m[t].m3, 4, 4, o == OWNER_NONE ? OWNER_TOWN : o); break;
00226 }
00227 }
00228
00237 static inline bool IsRoadOwner(TileIndex t, RoadType rt, Owner o)
00238 {
00239 assert(HasTileRoadType(t, rt));
00240 return (GetRoadOwner(t, rt) == o);
00241 }
00242
00249 static inline bool HasTownOwnedRoad(TileIndex t)
00250 {
00251 return HasTileRoadType(t, ROADTYPE_ROAD) && IsRoadOwner(t, ROADTYPE_ROAD, OWNER_TOWN);
00252 }
00253
00254 static inline void MakeTrafficLights(TileIndex t)
00255 {
00256 assert(IsTileType(t, MP_ROAD));
00257 assert(GetRoadTileType(t) == ROAD_TILE_NORMAL);
00258 SetBit(_me[t].m7, 4);
00259 }
00260
00261 static inline void ClearTrafficLights(TileIndex t)
00262 {
00263 assert(IsTileType(t, MP_ROAD));
00264 assert(GetRoadTileType(t) == ROAD_TILE_NORMAL);
00265 ClrBit(_me[t].m7, 4);
00266 }
00267
00272 static inline bool HasTrafficLights(TileIndex t)
00273 {
00274 return (IsTileType(t, MP_ROAD) && (GetRoadTileType(t) == ROAD_TILE_NORMAL) && HasBit(_me[t].m7, 4));
00275 }
00276
00278 enum DisallowedRoadDirections {
00279 DRD_NONE,
00280 DRD_SOUTHBOUND,
00281 DRD_NORTHBOUND,
00282 DRD_BOTH,
00283 DRD_END
00284 };
00285 DECLARE_ENUM_AS_BIT_SET(DisallowedRoadDirections)
00287 template <> struct EnumPropsT<DisallowedRoadDirections> : MakeEnumPropsT<DisallowedRoadDirections, byte, DRD_NONE, DRD_END, DRD_END, 2> {};
00288
00294 static inline DisallowedRoadDirections GetDisallowedRoadDirections(TileIndex t)
00295 {
00296 assert(IsNormalRoad(t));
00297 return (DisallowedRoadDirections)GB(_m[t].m5, 4, 2);
00298 }
00299
00305 static inline void SetDisallowedRoadDirections(TileIndex t, DisallowedRoadDirections drd)
00306 {
00307 assert(IsNormalRoad(t));
00308 assert(drd < DRD_END);
00309 SB(_m[t].m5, 4, 2, drd);
00310 }
00311
00318 static inline Axis GetCrossingRoadAxis(TileIndex t)
00319 {
00320 assert(IsLevelCrossing(t));
00321 return (Axis)GB(_m[t].m5, 0, 1);
00322 }
00323
00330 static inline Axis GetCrossingRailAxis(TileIndex t)
00331 {
00332 assert(IsLevelCrossing(t));
00333 return OtherAxis((Axis)GetCrossingRoadAxis(t));
00334 }
00335
00341 static inline RoadBits GetCrossingRoadBits(TileIndex tile)
00342 {
00343 return GetCrossingRoadAxis(tile) == AXIS_X ? ROAD_X : ROAD_Y;
00344 }
00345
00351 static inline Track GetCrossingRailTrack(TileIndex tile)
00352 {
00353 return AxisToTrack(GetCrossingRailAxis(tile));
00354 }
00355
00361 static inline TrackBits GetCrossingRailBits(TileIndex tile)
00362 {
00363 return AxisToTrackBits(GetCrossingRailAxis(tile));
00364 }
00365
00366
00373 static inline bool HasCrossingReservation(TileIndex t)
00374 {
00375 assert(IsLevelCrossingTile(t));
00376 return HasBit(_m[t].m5, 4);
00377 }
00378
00386 static inline void SetCrossingReservation(TileIndex t, bool b)
00387 {
00388 assert(IsLevelCrossingTile(t));
00389 SB(_m[t].m5, 4, 1, b ? 1 : 0);
00390 }
00391
00398 static inline TrackBits GetCrossingReservationTrackBits(TileIndex t)
00399 {
00400 return HasCrossingReservation(t) ? GetCrossingRailBits(t) : TRACK_BIT_NONE;
00401 }
00402
00409 static inline bool IsCrossingBarred(TileIndex t)
00410 {
00411 assert(IsLevelCrossing(t));
00412 return HasBit(_m[t].m5, 5);
00413 }
00414
00421 static inline void SetCrossingBarred(TileIndex t, bool barred)
00422 {
00423 assert(IsLevelCrossing(t));
00424 SB(_m[t].m5, 5, 1, barred ? 1 : 0);
00425 }
00426
00431 static inline void UnbarCrossing(TileIndex t)
00432 {
00433 SetCrossingBarred(t, false);
00434 }
00435
00440 static inline void BarCrossing(TileIndex t)
00441 {
00442 SetCrossingBarred(t, true);
00443 }
00444
00446 #define IsOnDesert IsOnSnow
00447
00452 static inline bool IsOnSnow(TileIndex t)
00453 {
00454 return HasBit(_me[t].m7, 5);
00455 }
00456
00458 #define ToggleDesert ToggleSnow
00459
00463 static inline void ToggleSnow(TileIndex t)
00464 {
00465 ToggleBit(_me[t].m7, 5);
00466 }
00467
00468
00470 enum Roadside {
00471 ROADSIDE_BARREN = 0,
00472 ROADSIDE_GRASS = 1,
00473 ROADSIDE_PAVED = 2,
00474 ROADSIDE_STREET_LIGHTS = 3,
00475 ROADSIDE_TREES = 5,
00476 ROADSIDE_GRASS_ROAD_WORKS = 6,
00477 ROADSIDE_PAVED_ROAD_WORKS = 7
00478 };
00479
00485 static inline Roadside GetRoadside(TileIndex tile)
00486 {
00487 return (Roadside)GB(_m[tile].m6, 3, 3);
00488 }
00489
00495 static inline void SetRoadside(TileIndex tile, Roadside s)
00496 {
00497 SB(_m[tile].m6, 3, 3, s);
00498 }
00499
00505 static inline bool HasRoadWorks(TileIndex t)
00506 {
00507 return GetRoadside(t) >= ROADSIDE_GRASS_ROAD_WORKS;
00508 }
00509
00515 static inline bool IncreaseRoadWorksCounter(TileIndex t)
00516 {
00517 AB(_me[t].m7, 0, 4, 1);
00518
00519 return GB(_me[t].m7, 0, 4) == 15;
00520 }
00521
00522 static inline byte GetRoadWorksCounter(TileIndex t)
00523 {
00524 return GB(_m[t].m3, 0, 4);
00525 }
00526
00532 static inline void StartRoadWorks(TileIndex t)
00533 {
00534 assert(!HasRoadWorks(t));
00535
00536 switch (GetRoadside(t)) {
00537 case ROADSIDE_BARREN:
00538 case ROADSIDE_GRASS: SetRoadside(t, ROADSIDE_GRASS_ROAD_WORKS); break;
00539 default: SetRoadside(t, ROADSIDE_PAVED_ROAD_WORKS); break;
00540 }
00541 }
00542
00548 static inline void TerminateRoadWorks(TileIndex t)
00549 {
00550 assert(HasRoadWorks(t));
00551 SetRoadside(t, (Roadside)(GetRoadside(t) - ROADSIDE_GRASS_ROAD_WORKS + ROADSIDE_GRASS));
00552
00553 SB(_me[t].m7, 0, 4, 0);
00554 }
00555
00556
00562 static inline DiagDirection GetRoadDepotDirection(TileIndex t)
00563 {
00564 assert(IsRoadDepot(t));
00565 return (DiagDirection)GB(_m[t].m5, 0, 2);
00566 }
00567
00568
00569 RoadBits GetAnyRoadBits(TileIndex tile, RoadType rt, bool straight_tunnel_bridge_entrance = false);
00570
00571
00581 static inline void MakeRoadNormal(TileIndex t, RoadBits bits, RoadTypes rot, TownID town, Owner road, Owner tram)
00582 {
00583 SetTileType(t, MP_ROAD);
00584 SetTileOwner(t, road);
00585 _m[t].m2 = town;
00586 _m[t].m3 = (HasBit(rot, ROADTYPE_TRAM) ? bits : 0);
00587 _m[t].m4 = 0;
00588 _m[t].m5 = (HasBit(rot, ROADTYPE_ROAD) ? bits : 0) | ROAD_TILE_NORMAL << 6;
00589 SB(_m[t].m6, 2, 4, 0);
00590 _me[t].m7 = rot << 6;
00591 SetRoadOwner(t, ROADTYPE_TRAM, tram);
00592 }
00593
00605 static inline void MakeRoadCrossing(TileIndex t, Owner road, Owner tram, Owner rail, Axis roaddir, RailType rat, RoadTypes rot, uint town)
00606 {
00607 SetTileType(t, MP_ROAD);
00608 SetTileOwner(t, rail);
00609 _m[t].m2 = town;
00610 _m[t].m3 = rat;
00611 _m[t].m4 = 0;
00612 _m[t].m5 = ROAD_TILE_CROSSING << 6 | roaddir;
00613 SB(_m[t].m6, 2, 4, 0);
00614 _me[t].m7 = rot << 6 | road;
00615 SetRoadOwner(t, ROADTYPE_TRAM, tram);
00616 }
00617
00626 static inline void MakeRoadDepot(TileIndex t, Owner owner, DepotID did, DiagDirection dir, RoadType rt)
00627 {
00628 SetTileType(t, MP_ROAD);
00629 SetTileOwner(t, owner);
00630 _m[t].m2 = did;
00631 _m[t].m3 = 0;
00632 _m[t].m4 = 0;
00633 _m[t].m5 = ROAD_TILE_DEPOT << 6 | dir;
00634 SB(_m[t].m6, 2, 4, 0);
00635 _me[t].m7 = RoadTypeToRoadTypes(rt) << 6 | owner;
00636 SetRoadOwner(t, ROADTYPE_TRAM, owner);
00637 }
00638
00639 #endif