tunnel_map.h File Reference

Map accessors for tunnels. More...

#include "rail_map.h"
#include "road_map.h"

Go to the source code of this file.

Functions
bool	IsTunnel (Tile t)
	Is this a tunnel (entrance)? More...
bool	IsTunnelTile (Tile t)
	Is this a tunnel (entrance)? More...
TileIndex	GetOtherTunnelEnd (TileIndex)
	Gets the other end of the tunnel. More...
bool	IsTunnelInWay (TileIndex, int z)
	Is there a tunnel in the way in any direction? More...
bool	IsTunnelInWayDir (TileIndex tile, int z, DiagDirection dir)
	Is there a tunnel in the way in the given direction? More...
void	MakeRoadTunnel (Tile t, Owner o, DiagDirection d, RoadType road_rt, RoadType tram_rt)
	Makes a road tunnel entrance. More...
void	MakeRailTunnel (Tile t, Owner o, DiagDirection d, RailType r)
	Makes a rail tunnel entrance. More...

Detailed Description

Map accessors for tunnels.

Definition in file tunnel_map.h.

Function Documentation

GetOtherTunnelEnd()

TileIndex GetOtherTunnelEnd

(

TileIndex

tile

)

Gets the other end of the tunnel.

Where a vehicle would reappear when it enters at the given tile.

Parameters

tile	the tile to search from.

Returns

the tile of the other end of the tunnel.

Definition at line 22 of file tunnel_map.cpp.

References GetTileZ(), GetTunnelBridgeDirection(), IsTunnelTile(), ReverseDiagDir(), and TileOffsByDiagDir().

Referenced by DoClearTunnel(), CFollowTrackT< Ttr_type_, VehicleType, T90deg_turns_allowed_, Tmask_reserved_tracks >::FollowTileExit(), and GetOtherTunnelBridgeEnd().

IsTunnel()

bool IsTunnel ( Tile  t )

inline

Is this a tunnel (entrance)?

Parameters

t	the tile that might be a tunnel

Precondition

IsTileType(t, MP_TUNNELBRIDGE)

Returns

true if and only if this tile is a tunnel (entrance)

Definition at line 23 of file tunnel_map.h.

References HasBit(), IsTileType(), Tile::m5(), and MP_TUNNELBRIDGE.

Referenced by AdjustTileh(), ClearTile_TunnelBridge(), DrawTile_TunnelBridge(), CFollowTrackT< Ttr_type_, VehicleType, T90deg_turns_allowed_, Tmask_reserved_tracks >::FollowTileExit(), GetOtherTunnelBridgeEnd(), GetRailTrackBitsUniversal(), and IsTunnelTile().

IsTunnelInWay()

bool IsTunnelInWay	(	TileIndex	tile,
		int	z
	)

Is there a tunnel in the way in any direction?

Parameters

tile	the tile to search from.
z	the 'z' to search on.

Returns

true if and only if there is a tunnel.

Definition at line 68 of file tunnel_map.cpp.

References DIAGDIR_NE, DIAGDIR_NW, DIAGDIR_SE, DIAGDIR_SW, IsTunnelInWayDir(), Map::MaxX(), Map::MaxY(), TileX(), and TileY().

Referenced by CmdTerraformLand().

IsTunnelInWayDir()

bool IsTunnelInWayDir	(	TileIndex	tile,
		int	z,
		DiagDirection	dir
	)

Is there a tunnel in the way in the given direction?

Parameters

tile	the tile to search from.
z	the 'z' to search on.
dir	the direction to start searching to.

Returns

true if and only if there is a tunnel.

Definition at line 48 of file tunnel_map.cpp.

References GetTileZ(), GetTunnelBridgeDirection(), IsTunnelTile(), IsValidTile(), and TileOffsByDiagDir().

Referenced by IsTunnelInWay().

IsTunnelTile()

bool IsTunnelTile ( Tile  t )

inline

Is this a tunnel (entrance)?

Parameters

t	the tile that might be a tunnel

Returns

true if and only if this tile is a tunnel (entrance)

Definition at line 34 of file tunnel_map.h.

References IsTileType(), IsTunnel(), and MP_TUNNELBRIDGE.

Referenced by GetOtherTunnelEnd(), IsTunnelInWayDir(), and CYapfCostBase::stSlopeCost().

MakeRailTunnel()

void MakeRailTunnel ( Tile  t, Owner  o, DiagDirection  d, RailType  r  )

inline

Makes a rail tunnel entrance.

Parameters

t	the entrance of the tunnel
o	the owner of the entrance
d	the direction facing out of the tunnel
r	the rail type used in the tunnel

Definition at line 73 of file tunnel_map.h.

References INVALID_ROADTYPE, Tile::m2(), Tile::m3(), Tile::m4(), Tile::m5(), Tile::m6(), Tile::m7(), Tile::m8(), MP_TUNNELBRIDGE, SB(), SetRailType(), SetRoadTypes(), SetTileOwner(), SetTileType(), and TRANSPORT_RAIL.

MakeRoadTunnel()

void MakeRoadTunnel ( Tile  t, Owner  o, DiagDirection  d, RoadType  road_rt, RoadType  tram_rt  )

inline

Makes a road tunnel entrance.

Parameters

t	the entrance of the tunnel
o	the owner of the entrance
d	the direction facing out of the tunnel
r	the road type used in the tunnel

Definition at line 50 of file tunnel_map.h.

References Tile::m2(), Tile::m3(), Tile::m4(), Tile::m5(), Tile::m6(), Tile::m7(), Tile::m8(), MP_TUNNELBRIDGE, SB(), SetRoadOwner(), SetTileOwner(), SetTileType(), and TRANSPORT_ROAD.