/*
 * Copyright (c) 2013 L2jMobius
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR
 * IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */
package org.l2jmobius.gameserver.network.clientpackets;

import org.l2jmobius.gameserver.entity.World;
import org.l2jmobius.gameserver.entity.WorldObject;
import org.l2jmobius.gameserver.entity.actor.Player;
import org.l2jmobius.gameserver.network.SystemMessageId;
import org.l2jmobius.gameserver.network.serverpackets.ActionFailed;

public class AttackRequest extends ClientPacket
{
	// cddddc
	private int _objectId;
	@SuppressWarnings("unused")
	private int _originX;
	@SuppressWarnings("unused")
	private int _originY;
	@SuppressWarnings("unused")
	private int _originZ;
	@SuppressWarnings("unused")
	private int _attackId;
	
	@Override
	protected void readImpl()
	{
		_objectId = readInt();
		_originX = readInt();
		_originY = readInt();
		_originZ = readInt();
		_attackId = readByte(); // 0 for simple click 1 for shift-click.
	}
	
	@Override
	protected void runImpl()
	{
		if (!getClient().getFloodProtectors().canPerformPlayerAction())
		{
			return;
		}
		
		final Player player = getPlayer();
		if (player == null)
		{
			return;
		}
		
		// Avoid Attacks in Boat.
		if (player.isPlayable() && player.isInBoat())
		{
			player.sendPacket(SystemMessageId.THIS_IS_NOT_ALLOWED_WHILE_RIDING_A_FERRY_OR_BOAT);
			player.sendPacket(ActionFailed.STATIC_PACKET);
			return;
		}
		
		// Avoid using expensive operations if not needed.
		final WorldObject target;
		if (player.getTargetId() == _objectId)
		{
			target = player.getTarget();
		}
		else
		{
			target = World.findObject(_objectId);
		}
		
		if (target == null)
		{
			player.sendPacket(ActionFailed.STATIC_PACKET);
			return;
		}
		
		if (!target.isTargetable() && !player.isGM())
		{
			player.sendPacket(ActionFailed.STATIC_PACKET);
			return;
		}
		
		// Players can't attack objects in the other instances.
		// except from multiverse
		else if ((target.getInstanceId() != player.getInstanceId()) && (player.getInstanceId() != -1))
		{
			player.sendPacket(ActionFailed.STATIC_PACKET);
			return;
		}
		
		// Only GMs can directly attack invisible characters.
		else if (!target.isVisibleFor(player))
		{
			player.sendPacket(ActionFailed.STATIC_PACKET);
			return;
		}
		
		player.onActionRequest();
		
		if (player.getTarget() != target)
		{
			target.onAction(player);
		}
		else
		{
			if ((target.getObjectId() != player.getObjectId()) && !player.isInStoreMode() && (player.getActiveRequester() == null))
			{
				target.onForcedAttack(player);
			}
			else
			{
				player.sendPacket(ActionFailed.STATIC_PACKET);
			}
		}
	}
}
