package appeng.services.helpers;

import java.io.File;
import java.util.HashMap;

import net.minecraft.world.World;

public class CompassReader
{

	HashMap<Long, CompassRegion> regions = new HashMap();
	final int id;
	final File rootFolder;

	public void close()
	{
		for (CompassRegion r : regions.values())
			r.close();

		regions.clear();
	}

	public CompassReader(World w, File rootFolder) {
		id = w.provider.dimensionId;
		this.rootFolder = rootFolder;
	}

	public void setHasBeacon(int cx, int cz, int cdy, boolean hasBeacon)
	{
		CompassRegion r = getRegion( cx, cz );
		r.setHasBeacon( cx, cz, cdy, hasBeacon );
	}

	public boolean hasBeacon(int cx, int cz)
	{
		CompassRegion r = getRegion( cx, cz );
		return r.hasBeacon( cx, cz );
	}

	private CompassRegion getRegion(int cx, int cz)
	{
		long pos = cx >> 10;
		pos = pos << 32;
		pos = pos | (cz >> 10);

		CompassRegion cr = regions.get( pos );
		if ( cr == null )
		{
			cr = new CompassRegion( cx, cz, id, rootFolder );
			regions.put( pos, cr );
		}

		return cr;

	}

}