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Location: cpp/openttd-patchpack/source/src/tunnel_map.h - annotation
r11043:a402a079c6d6
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(svn r15383) -Cleanup: Don't call MakeNewgameSettingsLive more often than necessary.
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/** @file tunnel_map.h Map accessors for tunnels. */
#ifndef TUNNEL_MAP_H
#define TUNNEL_MAP_H
#include "direction_func.h"
#include "rail_type.h"
#include "road_type.h"
#include "transport_type.h"
#include "tile_map.h"
/**
* Is this a tunnel (entrance)?
* @param t the tile that might be a tunnel
* @pre IsTileType(t, MP_TUNNELBRIDGE)
* @return true if and only if this tile is a tunnel (entrance)
*/
static inline bool IsTunnel(TileIndex t)
{
assert(IsTileType(t, MP_TUNNELBRIDGE));
return !HasBit(_m[t].m5, 7);
}
/**
* Is this a tunnel (entrance)?
* @param t the tile that might be a tunnel
* @return true if and only if this tile is a tunnel (entrance)
*/
static inline bool IsTunnelTile(TileIndex t)
{
return IsTileType(t, MP_TUNNELBRIDGE) && IsTunnel(t);
}
TileIndex GetOtherTunnelEnd(TileIndex);
bool IsTunnelInWay(TileIndex, uint z);
bool IsTunnelInWayDir(TileIndex tile, uint z, DiagDirection dir);
/**
* Makes a road tunnel entrance
* @param t the entrance of the tunnel
* @param o the owner of the entrance
* @param d the direction facing out of the tunnel
* @param r the road type used in the tunnel
*/
static inline void MakeRoadTunnel(TileIndex t, Owner o, DiagDirection d, RoadTypes r)
{
SetTileType(t, MP_TUNNELBRIDGE);
SetTileOwner(t, o);
_m[t].m2 = 0;
_m[t].m3 = r;
_m[t].m4 = 0;
_m[t].m5 = TRANSPORT_ROAD << 2 | d;
}
/**
* Makes a rail tunnel entrance
* @param t the entrance of the tunnel
* @param o the owner of the entrance
* @param d the direction facing out of the tunnel
* @param r the rail type used in the tunnel
*/
static inline void MakeRailTunnel(TileIndex t, Owner o, DiagDirection d, RailType r)
{
SetTileType(t, MP_TUNNELBRIDGE);
SetTileOwner(t, o);
_m[t].m2 = 0;
_m[t].m3 = r;
_m[t].m4 = 0;
_m[t].m5 = TRANSPORT_RAIL << 2 | d;
}
#endif /* TUNNEL_MAP_H */
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