road_map.cpp File Reference

Complex road accessors. More...

#include "stdafx.h"
#include "station_map.h"
#include "tunnelbridge_map.h"
#include "safeguards.h"

Go to the source code of this file.

Functions
bool	MayHaveRoad (Tile t)
	Test whether a tile can have road/tram types.
RoadBits	GetAnyRoadBits (Tile tile, RoadTramType rtt, bool straight_tunnel_bridge_entrance)
	Returns the RoadBits on an arbitrary tile Special behaviour:

Detailed Description

Complex road accessors.

Definition in file road_map.cpp.

Function Documentation

GetAnyRoadBits()

RoadBits GetAnyRoadBits	(	Tile	tile,
		RoadTramType	rtt,
		bool	straight_tunnel_bridge_entrance )

Returns the RoadBits on an arbitrary tile Special behaviour:

• road depots: entrance is treated as road piece
• road tunnels: entrance is treated as road piece
• bridge ramps: start of the ramp is treated as road piece
• bridge middle parts: bridge itself is ignored

If straight_tunnel_bridge_entrance is set a ROAD_X or ROAD_Y for bridge ramps and tunnel entrances is returned depending on the orientation of the tunnel or bridge.

Parameters

tile	the tile to get the road bits for
rtt	the road type to get the road bits form
straight_tunnel_bridge_entrance	whether to return straight road bits for tunnels/bridges.

Returns

the road bits of the given tile

Definition at line 54 of file road_map.cpp.

References AxisToRoadBits(), Crossing, Depot, DiagDirToAxis(), DiagDirToRoadBits(), GetBayRoadStopDir(), GetCrossingRoadBits(), GetDriveThroughStopAxis(), GetRoadBits(), GetRoadDepotDirection(), GetRoadTileType(), GetTileType(), GetTunnelBridgeDirection(), GetTunnelBridgeTransportType(), HasTileRoadType(), IsAnyRoadStopTile(), IsDriveThroughStopTile(), MayHaveRoad(), Normal, ReverseDiagDir(), Road, Station, and TunnelBridge.

Referenced by CanConnectToRoad(), CanRemoveRoadWithStop(), CheckAllowRemoveRoad(), CleanUpRoadBits(), CmdBuildRoad(), CmdConvertRoad(), GetTownRoadBits(), RoadFindPathToDest(), and TileLoop_Road().

MayHaveRoad()

bool MayHaveRoad

(

Tile

t

)

Test whether a tile can have road/tram types.

Parameters

t	Tile to query.

Returns

true if tile can be queried about road/tram types.

Definition at line 21 of file road_map.cpp.

References GetTileType(), GetTunnelBridgeTransportType(), IsAnyRoadStop(), Road, Station, and TunnelBridge.

Referenced by CanConnectToRoad(), ClearTile_Road(), CmdBuildRoadStop(), CmdBuildRoadWaypoint(), CmdConvertRoad(), DrawRoadTypeCatenary(), GetAnyRoadBits(), GetPresentRoadTypes(), GetRoadOwner(), GetRoadTypeRoad(), GetRoadTypeTram(), GetTrackTypes(), HasTileAnyRoadType(), RemoveRoad(), SetRoadTypeRoad(), and SetRoadTypeTram().