+
−/* $Id$ */
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−
+
−/** @file road_map.cpp Complex road accessors. */
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−
+
−#include "stdafx.h"
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−#include "openttd.h"
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−#include "bridge_map.h"
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−#include "tile_cmd.h"
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−#include "road_map.h"
+
−#include "tunnel_map.h"
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−#include "station_map.h"
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−#include "tunnelbridge_map.h"
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−
+
−
+
−RoadBits GetAnyRoadBits(TileIndex tile, RoadType rt, bool straight_tunnel_bridge_entrance)
+
−{
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−	if (!HasTileRoadType(tile, rt)) return ROAD_NONE;
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−
+
−	switch (GetTileType(tile)) {
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−		case MP_ROAD:
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−			switch (GetRoadTileType(tile)) {
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−				default:
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−				case ROAD_TILE_NORMAL:   return GetRoadBits(tile, rt);
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−				case ROAD_TILE_CROSSING: return GetCrossingRoadBits(tile);
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−				case ROAD_TILE_DEPOT:    return DiagDirToRoadBits(GetRoadDepotDirection(tile));
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−			}
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−
+
−		case MP_STATION:
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−			if (!IsRoadStopTile(tile)) return ROAD_NONE;
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−			if (IsDriveThroughStopTile(tile)) return (GetRoadStopDir(tile) == DIAGDIR_NE) ? ROAD_X : ROAD_Y;
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−			return DiagDirToRoadBits(GetRoadStopDir(tile));
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−
+
−		case MP_TUNNELBRIDGE:
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−			if (GetTunnelBridgeTransportType(tile) != TRANSPORT_ROAD) return ROAD_NONE;
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−			return straight_tunnel_bridge_entrance ?
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−					AxisToRoadBits(DiagDirToAxis(GetTunnelBridgeDirection(tile))) :
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−					DiagDirToRoadBits(ReverseDiagDir(GetTunnelBridgeDirection(tile)));
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−
+
−		default: return ROAD_NONE;
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−	}
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−}
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−
+
−
+
−TrackBits GetAnyRoadTrackBits(TileIndex tile, RoadType rt)
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−{
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−	/* Don't allow local authorities to build roads through road depots or road stops. */
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−	if (IsRoadDepotTile(tile) || (IsTileType(tile, MP_STATION) && !IsDriveThroughStopTile(tile)) || !HasTileRoadType(tile, rt)) {
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−		return TRACK_BIT_NONE;
+
−	}
+
−
+
−	return TrackStatusToTrackBits(GetTileTrackStatus(tile, TRANSPORT_ROAD, RoadTypeToRoadTypes(rt)));
+
−}