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/* $Id$ */

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#ifndef TUNNEL_MAP_H

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#define TUNNEL_MAP_H

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#include "macros.h"

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#include "map.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 uint GetTunnelDirection(TileIndex t)

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{

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	assert(IsTunnelTile(t));

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	return (uint)GB(_m[t].m5, 0, 2);

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}

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bool IsTunnelInWay(TileIndex, uint z);

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#endif