# tunnel_map.h

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    00001 /* $Id: tunnel_map.h 11701 2007-12-26 11:45:43Z 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 "tile_map.h"
    00012
    00013
    00020 static inline bool IsTunnel(TileIndex t)
    00021 {
    00022   assert(IsTileType(t, MP_TUNNELBRIDGE));
    00023   return !HasBit(_m[t].m5, 7);
    00024 }
    00025
    00031 static inline bool IsTunnelTile(TileIndex t)
    00032 {
    00033   return IsTileType(t, MP_TUNNELBRIDGE) && IsTunnel(t);
    00034 }
    00035
    00036 TileIndex GetOtherTunnelEnd(TileIndex);
    00037 bool IsTunnelInWay(TileIndex, uint z);
    00038 bool IsTunnelInWayDir(TileIndex tile, uint z, DiagDirection dir);
    00039
    00047 static inline void MakeRoadTunnel(TileIndex t, Owner o, DiagDirection d, RoadTypes r)
    00048 {
    00049   SetTileType(t, MP_TUNNELBRIDGE);
    00050   SetTileOwner(t, o);
    00051   _m[t].m2 = 0;
    00052   _m[t].m3 = r;
    00053   _m[t].m4 = 0;
    00054   _m[t].m5 = TRANSPORT_ROAD << 2 | d;
    00055 }
    00056
    00064 static inline void MakeRailTunnel(TileIndex t, Owner o, DiagDirection d, RailType r)
    00065 {
    00066   SetTileType(t, MP_TUNNELBRIDGE);
    00067   SetTileOwner(t, o);
    00068   _m[t].m2 = 0;
    00069   _m[t].m3 = r;
    00070   _m[t].m4 = 0;
    00071   _m[t].m5 = TRANSPORT_RAIL << 2 | d;
    00072 }
    00073
    00074 #endif /* TUNNEL_MAP_H */