l2j-server-game/L2J_Server_BETA/java/com/l2jserver/gameserver/util/Point3D.java

/*
 * $Header: Point3D.java, 19/07/2005 21:33:07 luisantonioa Exp $
 *
 * $Author: luisantonioa $
 * $Date: 19/07/2005 21:33:07 $
 * $Revision: 1 $
 * $Log: Point3D.java,v $
 * Revision 1  19/07/2005 21:33:07  luisantonioa
 * Added copyright notice
 *
 *
 * This program is free software: you can redistribute it and/or modify it under
 * the terms of the GNU General Public License as published by the Free Software
 * Foundation, either version 3 of the License, or (at your option) any later
 * version.
 * 
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
 * details.
 * 
 * You should have received a copy of the GNU General Public License along with
 * this program. If not, see <http://www.gnu.org/licenses/>.
 */
package com.l2jserver.gameserver.util;

import java.io.Serializable;

/**
 * This class ...
 *
 * @version $Revision: 1.2 $ $Date: 2004/06/27 08:12:59 $
 */
public class Point3D implements Serializable
{
	/**
	 * Comment for <code>serialVersionUID</code>
	 */
	private static final long serialVersionUID = 4638345252031872576L;
	
	/* since using volatile vars, removing all synchronizations */
	private volatile int _x, _y, _z;
	
	public Point3D(int pX, int pY, int pZ)
	{
		_x = pX;
		_y = pY;
		_z = pZ;
	}
	
	public Point3D(int pX, int pY)
	{
		_x = pX;
		_y = pY;
		_z = 0;
	}
	
	/**
	 * @param worldPosition
	 */
	public Point3D(Point3D worldPosition)
	{
		_x = worldPosition._x;
		_y = worldPosition._y;
		_z = worldPosition._z;
	}
	
	public synchronized void setTo(Point3D point)
	{
		_x = point._x;
		_y = point._y;
		_z = point._z;
	}
	
	@Override
	public String toString()
	{
		return "(" + _x + ", " + _y + ", " + _z + ")";
	}
	
	@Override
	public int hashCode()
	{
		return _x ^ _y ^ _z;
	}
	
	@Override
	public boolean equals(Object o)
	{
		if (o instanceof Point3D)
		{
			Point3D point3D = (Point3D) o;
			boolean ret = point3D._x == _x && point3D._y == _y && point3D._z == _z;
			return ret;
		}
		return false;
	}
	
	public boolean equals(int pX, int pY, int pZ)
	{
		return _x == pX && _y == pY && _z == pZ;
	}
	
	public long distanceSquaredTo(Point3D point)
	{
		long dx, dy;
		dx = _x - point._x;
		dy = _y - point._y;
		return (dx * dx) + (dy * dy);
	}
	
	public static long distanceSquared(Point3D point1, Point3D point2)
	{
		long dx, dy;
		dx = point1._x - point2._x;
		dy = point1._y - point2._y;
		return (dx * dx) + (dy * dy);
	}
	
	public static boolean distanceLessThan(Point3D point1, Point3D point2, double distance)
	{
		return distanceSquared(point1, point2) < distance * distance;
	}
	
	public int getX()
	{
		return _x;
	}
	
	public synchronized void setX(int pX)
	{
		_x = pX;
	}
	
	public int getY()
	{
		return _y;
	}
	
	public synchronized void setY(int pY)
	{
		_y = pY;
	}
	
	public int getZ()
	{
		return _z;
	}
	
	public synchronized void setZ(int pZ)
	{
		_z = pZ;
	}
	
	public synchronized void setXYZ(int pX, int pY, int pZ)
	{
		_x = pX;
		_y = pY;
		_z = pZ;
	}
	
	/* note by Deedlit: we are using volatile variable types here. We dont need to additionally 
	 * use synchronized, cause volatile vars are synced vars. Removed all, please test if all is ok. Need to
	 * look through code and remove similar pointless lockings if any more there. */
}