l2j-server-game/L2J_Server/java/com/l2jserver/gameserver/network/clientpackets/Attack.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.network.clientpackets;

import com.l2jserver.gameserver.enums.PrivateStoreType;
import com.l2jserver.gameserver.model.L2Object;
import com.l2jserver.gameserver.model.L2World;
import com.l2jserver.gameserver.model.PcCondOverride;
import com.l2jserver.gameserver.model.actor.instance.L2PcInstance;
import com.l2jserver.gameserver.model.effects.AbstractEffect;
import com.l2jserver.gameserver.model.skills.AbnormalType;
import com.l2jserver.gameserver.model.skills.BuffInfo;
import com.l2jserver.gameserver.network.SystemMessageId;
import com.l2jserver.gameserver.network.serverpackets.ActionFailed;

/**
 * TODO: This class is a copy of AttackRequest, we should get proper structure for both.
 */
public final class Attack extends L2GameClientPacket
{
	private static final String _C__01_ATTACK = "[C] 01 Attack";
	
	// 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 = readD();
		_originX = readD();
		_originY = readD();
		_originZ = readD();
		_attackId = readC(); // 0 for simple click 1 for shift-click
	}
	
	@Override
	protected void runImpl()
	{
		final L2PcInstance activeChar = getActiveChar();
		if (activeChar == null)
		{
			return;
		}
		
		// Avoid Attacks in Boat.
		if (activeChar.isPlayable() && activeChar.isInBoat())
		{
			activeChar.sendPacket(SystemMessageId.NOT_ALLOWED_ON_BOAT);
			activeChar.sendPacket(ActionFailed.STATIC_PACKET);
			return;
		}
		
		final BuffInfo info = activeChar.getEffectList().getBuffInfoByAbnormalType(AbnormalType.BOT_PENALTY);
		if (info != null)
		{
			for (AbstractEffect effect : info.getEffects())
			{
				if (!effect.checkCondition(-1))
				{
					activeChar.sendPacket(SystemMessageId.YOU_HAVE_BEEN_REPORTED_SO_ACTIONS_NOT_ALLOWED);
					activeChar.sendPacket(ActionFailed.STATIC_PACKET);
					return;
				}
			}
		}
		
		// avoid using expensive operations if not needed
		final L2Object target;
		if (activeChar.getTargetId() == _objectId)
		{
			target = activeChar.getTarget();
		}
		else
		{
			target = L2World.getInstance().findObject(_objectId);
		}
		
		if (target == null)
		{
			return;
		}
		
		if (!target.isTargetable() && !activeChar.canOverrideCond(PcCondOverride.TARGET_ALL))
		{
			activeChar.sendPacket(ActionFailed.STATIC_PACKET);
			return;
		}
		
		// Players can't attack objects in the other instances
		// except from multiverse
		else if ((target.getInstanceId() != activeChar.getInstanceId()) && (activeChar.getInstanceId() != -1))
		{
			activeChar.sendPacket(ActionFailed.STATIC_PACKET);
			return;
		}
		
		// Only GMs can directly attack invisible characters
		else if (!target.isVisibleFor(activeChar))
		{
			activeChar.sendPacket(ActionFailed.STATIC_PACKET);
			return;
		}
		
		if (activeChar.getTarget() != target)
		{
			target.onAction(activeChar);
		}
		else
		{
			if ((target.getObjectId() != activeChar.getObjectId()) && (activeChar.getPrivateStoreType() == PrivateStoreType.NONE) && (activeChar.getActiveRequester() == null))
			{
				target.onForcedAttack(activeChar);
			}
			else
			{
				activeChar.sendPacket(ActionFailed.STATIC_PACKET);
			}
		}
	}
	
	@Override
	public String getType()
	{
		return _C__01_ATTACK;
	}
}