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Location: cpp/openttd-patchpack/source/src/road_map.cpp

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miham

(svn r10402) -Update: WebTranslator2 update to 2007-06-30 21:32:39
bulgarian - 10 fixed by kokobongo (10)
french - 2 fixed by glx (2)
italian - 2 fixed, 2 changed by lorenzodv (4)
korean - 2 fixed, 2 changed by darkttd (4)
polish - 43 fixed, 1 changed by meush (44)
slovenian - 1 fixed by Necrolyte (1)
spanish - 5 changed by eusebio (5)
swedish - 2 fixed by giddorah (2)

/* $Id$ */

/** @file road_map.cpp */

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


RoadBits GetAnyRoadBits(TileIndex tile, RoadType rt)
{
	if (!HASBIT(GetRoadTypes(tile), rt)) return ROAD_NONE;

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

		case MP_STATION:
			if (!IsRoadStopTile(tile)) return ROAD_NONE;
			if (IsDriveThroughStopTile(tile)) return (GetRoadStopDir(tile) == DIAGDIR_NE) ? ROAD_X : ROAD_Y;
			return DiagDirToRoadBits(GetRoadStopDir(tile));

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

		default: return ROAD_NONE;
	}
}


TrackBits GetAnyRoadTrackBits(TileIndex tile, RoadType rt)
{
	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) && !IsDriveThroughStopTile(tile)) || !HASBIT(GetRoadTypes(tile), rt)) {
		return TRACK_BIT_NONE;
	}

	r = GetTileTrackStatus(tile, TRANSPORT_ROAD, RoadTypeToRoadTypes(rt));

	return (TrackBits)(byte)(r | (r >> 8));
}