tunnel_map.h

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00001 /* $Id: tunnel_map.h 12986 2008-05-07 09:07:19Z rubidium $ */
00002 
00005 #ifndef TUNNEL_MAP_H
00006 #define TUNNEL_MAP_H
00007 
00008 #include "direction_func.h"
00009 #include "rail_type.h"
00010 #include "road_type.h"
00011 #include "transport_type.h"
00012 #include "tile_map.h"
00013 
00014 
00021 static inline bool IsTunnel(TileIndex t)
00022 {
00023   assert(IsTileType(t, MP_TUNNELBRIDGE));
00024   return !HasBit(_m[t].m5, 7);
00025 }
00026 
00032 static inline bool IsTunnelTile(TileIndex t)
00033 {
00034   return IsTileType(t, MP_TUNNELBRIDGE) && IsTunnel(t);
00035 }
00036 
00037 TileIndex GetOtherTunnelEnd(TileIndex);
00038 bool IsTunnelInWay(TileIndex, uint z);
00039 bool IsTunnelInWayDir(TileIndex tile, uint z, DiagDirection dir);
00040 
00048 static inline void MakeRoadTunnel(TileIndex t, Owner o, DiagDirection d, RoadTypes r)
00049 {
00050   SetTileType(t, MP_TUNNELBRIDGE);
00051   SetTileOwner(t, o);
00052   _m[t].m2 = 0;
00053   _m[t].m3 = r;
00054   _m[t].m4 = 0;
00055   _m[t].m5 = TRANSPORT_ROAD << 2 | d;
00056 }
00057 
00065 static inline void MakeRailTunnel(TileIndex t, Owner o, DiagDirection d, RailType r)
00066 {
00067   SetTileType(t, MP_TUNNELBRIDGE);
00068   SetTileOwner(t, o);
00069   _m[t].m2 = 0;
00070   _m[t].m3 = r;
00071   _m[t].m4 = 0;
00072   _m[t].m5 = TRANSPORT_RAIL << 2 | d;
00073 }
00074 
00075 #endif /* TUNNEL_MAP_H */

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