64 lines
1.2 KiB
C
64 lines
1.2 KiB
C
/* $Id$ */
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#ifndef TUNNEL_MAP_H
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#define TUNNEL_MAP_H
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#include "direction.h"
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#include "macros.h"
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#include "map.h"
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#include "rail.h"
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static inline bool IsTunnel(TileIndex t)
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{
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assert(IsTileType(t, MP_TUNNELBRIDGE));
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return !HASBIT(_m[t].m5, 7);
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}
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static inline bool IsTunnelTile(TileIndex t)
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{
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return IsTileType(t, MP_TUNNELBRIDGE) && IsTunnel(t);
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}
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static inline DiagDirection GetTunnelDirection(TileIndex t)
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{
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assert(IsTunnelTile(t));
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return (DiagDirection)GB(_m[t].m5, 0, 2);
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}
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static inline TransportType GetTunnelTransportType(TileIndex t)
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{
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assert(IsTunnelTile(t));
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return (TransportType)GB(_m[t].m5, 2, 2);
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}
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TileIndex GetOtherTunnelEnd(TileIndex);
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bool IsTunnelInWay(TileIndex, uint z);
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static inline void MakeRoadTunnel(TileIndex t, Owner o, DiagDirection d)
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{
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SetTileType(t, MP_TUNNELBRIDGE);
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SetTileOwner(t, o);
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_m[t].m2 = 0;
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_m[t].m3 = 0;
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_m[t].m4 = 0;
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_m[t].m5 = TRANSPORT_ROAD << 2 | d;
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}
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static inline void MakeRailTunnel(TileIndex t, Owner o, DiagDirection d, RailType r)
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{
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SetTileType(t, MP_TUNNELBRIDGE);
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SetTileOwner(t, o);
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_m[t].m2 = 0;
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_m[t].m3 = r;
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_m[t].m4 = 0;
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_m[t].m5 = TRANSPORT_RAIL << 2 | d;
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}
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#endif /* TUNNEL_MAP_H */
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