l2j-server-game/L2_GameServer/java/com/l2jserver/gameserver/network/clientpackets/RequestExMagicSkillUseGround.java

/*
 * 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.network.clientpackets;

import java.util.logging.Logger;

import com.l2jserver.gameserver.datatables.SkillTable;
import com.l2jserver.gameserver.model.L2Skill;
import com.l2jserver.gameserver.model.actor.instance.L2PcInstance;
import com.l2jserver.gameserver.network.serverpackets.ActionFailed;
import com.l2jserver.gameserver.network.serverpackets.ValidateLocation;
import com.l2jserver.gameserver.util.Util;
import com.l2jserver.util.Point3D;


/**
 * Fromat:(ch) dddddc
 * @author  -Wooden-
 */
public final class RequestExMagicSkillUseGround extends L2GameClientPacket
{
	private static final String _C__D0_2F_REQUESTEXMAGICSKILLUSEGROUND = "[C] D0:2F RequestExMagicSkillUseGround";
	private static Logger _log = Logger.getLogger(RequestExMagicSkillUseGround.class.getName());
	
	private int _x;
	private int _y;
	private int _z;
	private int _skillId;
	private boolean _ctrlPressed;
	private boolean _shiftPressed;
	
	@Override
	protected void readImpl()
	{
		_x = readD();
		_y = readD();
		_z = readD();
		_skillId = readD();
		_ctrlPressed = readD() != 0;
		_shiftPressed = readC() != 0;
	}
	
	/**
	 * @see com.l2jserver.util.network.BaseRecievePacket.ClientBasePacket#runImpl()
	 */
	@Override
	protected void runImpl()
	{
		// Get the current L2PcInstance of the player
		L2PcInstance activeChar = getClient().getActiveChar();
		
		if (activeChar == null)
			return;
		
		// Get the level of the used skill
		int level = activeChar.getSkillLevel(_skillId);
		if (level <= 0)
		{
			activeChar.sendPacket(ActionFailed.STATIC_PACKET);
			return;
		}
		
		// Get the L2Skill template corresponding to the skillID received from the client
		L2Skill skill = SkillTable.getInstance().getInfo(_skillId, level);
		
		// Check the validity of the skill
		if (skill != null)
		{
			activeChar.setCurrentSkillWorldPosition(new Point3D(_x , _y, _z));
			
			// normally magicskilluse packet turns char client side but for these skills, it doesn't (even with correct target)
			activeChar.setHeading(Util.calculateHeadingFrom(activeChar.getX(), activeChar.getY(), _x , _y));
			activeChar.broadcastPacket(new ValidateLocation(activeChar));
			
			activeChar.useMagic(skill, _ctrlPressed, _shiftPressed);
		}
		else
		{
			activeChar.sendPacket(ActionFailed.STATIC_PACKET);
			_log.warning("No skill found with id " + _skillId + " and level " + level + " !!");
		}
	}
	
	/**
	 * @see com.l2jserver.gameserver.BasePacket#getType()
	 */
	@Override
	public String getType()
	{
		return _C__D0_2F_REQUESTEXMAGICSKILLUSEGROUND;
	}
}