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 */

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