l2j-server-game/L2J_Server/java/com/l2jserver/gameserver/model/L2Radar.java

/*
 * Copyright (C) 2004-2015 L2J Server
 * 
 * This file is part of L2J Server.
 * 
 * L2J Server 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.
 * 
 * L2J Server 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.model;

import java.util.List;
import java.util.concurrent.CopyOnWriteArrayList;

import com.l2jserver.gameserver.model.actor.instance.L2PcInstance;
import com.l2jserver.gameserver.network.serverpackets.RadarControl;

/**
 * @author dalrond
 */
public final class L2Radar
{
	private final L2PcInstance _player;
	private final List<RadarMarker> _markers = new CopyOnWriteArrayList<>();
	
	public L2Radar(L2PcInstance player)
	{
		_player = player;
	}
	
	// Add a marker to player's radar
	public void addMarker(int x, int y, int z)
	{
		RadarMarker newMarker = new RadarMarker(x, y, z);
		
		_markers.add(newMarker);
		_player.sendPacket(new RadarControl(2, 2, x, y, z));
		_player.sendPacket(new RadarControl(0, 1, x, y, z));
	}
	
	// Remove a marker from player's radar
	public void removeMarker(int x, int y, int z)
	{
		RadarMarker newMarker = new RadarMarker(x, y, z);
		
		_markers.remove(newMarker);
		_player.sendPacket(new RadarControl(1, 1, x, y, z));
	}
	
	public void removeAllMarkers()
	{
		for (RadarMarker tempMarker : _markers)
		{
			_player.sendPacket(new RadarControl(2, 2, tempMarker._x, tempMarker._y, tempMarker._z));
		}
		
		_markers.clear();
	}
	
	public void loadMarkers()
	{
		_player.sendPacket(new RadarControl(2, 2, _player.getX(), _player.getY(), _player.getZ()));
		for (RadarMarker tempMarker : _markers)
		{
			_player.sendPacket(new RadarControl(0, 1, tempMarker._x, tempMarker._y, tempMarker._z));
		}
	}
	
	public static class RadarMarker
	{
		// Simple class to model radar points.
		public int _type, _x, _y, _z;
		
		public RadarMarker(int type, int x, int y, int z)
		{
			_type = type;
			_x = x;
			_y = y;
			_z = z;
		}
		
		public RadarMarker(int x, int y, int z)
		{
			_type = 1;
			_x = x;
			_y = y;
			_z = z;
		}
		
		@Override
		public int hashCode()
		{
			final int prime = 31;
			int result = 1;
			result = (prime * result) + _type;
			result = (prime * result) + _x;
			result = (prime * result) + _y;
			result = (prime * result) + _z;
			return result;
		}
		
		@Override
		public boolean equals(Object obj)
		{
			if (this == obj)
			{
				return true;
			}
			if (!(obj instanceof RadarMarker))
			{
				return false;
			}
			final RadarMarker other = (RadarMarker) obj;
			if ((_type != other._type) || (_x != other._x) || (_y != other._y) || (_z != other._z))
			{
				return false;
			}
			return true;
		}
	}
}