road_map.c
author rubidium
Thu, 28 Dec 2006 00:57:56 +0000
changeset 5584 a2beaf8ed3a4
parent 5573 afa6f92a71fd
child 5590 dc34c43fc3eb
permissions -rw-r--r--
(svn r7586) -Fix (FS#473): remove the Landscaping toolbar option from the Road Construction toolbar in the scenario editor, as there is another Lanscaping GUI in the scenario editor and launching that one could confuse users.
/* $Id$ */

#include "stdafx.h"
#include "openttd.h"
#include "bridge_map.h"
#include "functions.h"
#include "road_map.h"
#include "station.h"
#include "tunnel_map.h"
#include "station_map.h"
#include "depot.h"


RoadBits GetAnyRoadBits(TileIndex tile)
{
	switch (GetTileType(tile)) {
		case MP_STREET:
			switch (GetRoadTileType(tile)) {
				default:
				case ROAD_TILE_NORMAL:   return GetRoadBits(tile);
				case ROAD_TILE_CROSSING: return GetCrossingRoadBits(tile);
				case ROAD_TILE_DEPOT:    return DiagDirToRoadBits(GetRoadDepotDirection(tile));
			}

		case MP_STATION:
			if (!IsRoadStopTile(tile)) return 0;
			return DiagDirToRoadBits(GetRoadStopDir(tile));

		case MP_TUNNELBRIDGE:
			if (IsTunnel(tile)) {
				if (GetTunnelTransportType(tile) != TRANSPORT_ROAD) return 0;
				return DiagDirToRoadBits(ReverseDiagDir(GetTunnelDirection(tile)));
			} else {
				if (GetBridgeTransportType(tile) != TRANSPORT_ROAD) return 0;
				return DiagDirToRoadBits(ReverseDiagDir(GetBridgeRampDirection(tile)));
			}

		default: return 0;
	}
}


TrackBits GetAnyRoadTrackBits(TileIndex tile)
{
	uint32 r;

	// Don't allow local authorities to build roads through road depots or road stops.
	if ((IsTileType(tile, MP_STREET) && IsTileDepotType(tile, TRANSPORT_ROAD)) || IsTileType(tile, MP_STATION)) {
		return 0;
	}

	r = GetTileTrackStatus(tile, TRANSPORT_ROAD);
	return (byte)(r | (r >> 8));
}