Package lineage2.gameserver.network.clientpackets

Source Code of lineage2.gameserver.network.clientpackets.TradeDone

/*
* 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 lineage2.gameserver.network.clientpackets;

import java.util.List;

import lineage2.commons.math.SafeMath;
import lineage2.gameserver.cache.Msg;
import lineage2.gameserver.model.Creature;
import lineage2.gameserver.model.Player;
import lineage2.gameserver.model.Request;
import lineage2.gameserver.model.Request.L2RequestType;
import lineage2.gameserver.model.items.ItemInstance;
import lineage2.gameserver.model.items.TradeItem;
import lineage2.gameserver.network.serverpackets.SendTradeDone;
import lineage2.gameserver.network.serverpackets.SystemMessage;
import lineage2.gameserver.network.serverpackets.TradePressOtherOk;
import lineage2.gameserver.utils.Log;

/**
* @author Mobius
* @version $Revision: 1.0 $
*/
public class TradeDone extends L2GameClientPacket
{
  /**
   * Field _response.
   */
  private int _response;
 
  /**
   * Method readImpl.
   */
  @Override
  protected void readImpl()
  {
    _response = readD();
  }
 
  /**
   * Method runImpl.
   */
  @Override
  protected void runImpl()
  {
    Player parthner1 = getClient().getActiveChar();
    if (parthner1 == null)
    {
      return;
    }
    Request request = parthner1.getRequest();
    if ((request == null) || !request.isTypeOf(L2RequestType.TRADE))
    {
      parthner1.sendActionFailed();
      return;
    }
    if (!request.isInProgress())
    {
      request.cancel();
      parthner1.sendPacket(SendTradeDone.FAIL);
      parthner1.sendActionFailed();
      return;
    }
    if (parthner1.isOutOfControl())
    {
      request.cancel();
      parthner1.sendPacket(SendTradeDone.FAIL);
      parthner1.sendActionFailed();
      return;
    }
    Player parthner2 = request.getOtherPlayer(parthner1);
    if (parthner2 == null)
    {
      request.cancel();
      parthner1.sendPacket(SendTradeDone.FAIL);
      parthner1.sendPacket(Msg.THAT_PLAYER_IS_NOT_ONLINE);
      parthner1.sendActionFailed();
      return;
    }
    if (parthner2.getRequest() != request)
    {
      request.cancel();
      parthner1.sendPacket(SendTradeDone.FAIL);
      parthner1.sendActionFailed();
      return;
    }
    if (_response == 0)
    {
      request.cancel();
      parthner1.sendPacket(SendTradeDone.FAIL);
      parthner2.sendPacket(SendTradeDone.FAIL, new SystemMessage(SystemMessage.C1_HAS_CANCELLED_THE_TRADE).addString(parthner1.getName()));
      return;
    }
    if (!parthner1.isInRangeZ(parthner2, Creature.INTERACTION_DISTANCE))
    {
      parthner1.sendPacket(Msg.YOUR_TARGET_IS_OUT_OF_RANGE);
      return;
    }
    request.confirm(parthner1);
    parthner2.sendPacket(new SystemMessage(SystemMessage.C1_HAS_CONFIRMED_THE_TRADE).addString(parthner1.getName()), TradePressOtherOk.STATIC);
    if (!request.isConfirmed(parthner2))
    {
      parthner1.sendActionFailed();
      return;
    }
    List<TradeItem> tradeList1 = parthner1.getTradeList();
    List<TradeItem> tradeList2 = parthner2.getTradeList();
    int slots = 0;
    long weight = 0;
    boolean success = false;
    parthner1.getInventory().writeLock();
    parthner2.getInventory().writeLock();
    try
    {
      slots = 0;
      weight = 0;
      for (TradeItem ti : tradeList1)
      {
        ItemInstance item = parthner1.getInventory().getItemByObjectId(ti.getObjectId());
        if ((item == null) || (item.getCount() < ti.getCount()) || !item.canBeTraded(parthner1))
        {
          return;
        }
        weight = SafeMath.addAndCheck(weight, SafeMath.mulAndCheck(ti.getCount(), ti.getItem().getWeight()));
        if (!ti.getItem().isStackable() || (parthner2.getInventory().getItemByItemId(ti.getItemId()) == null))
        {
          slots++;
        }
      }
      if (!parthner2.getInventory().validateWeight(weight))
      {
        parthner2.sendPacket(Msg.YOU_HAVE_EXCEEDED_THE_WEIGHT_LIMIT);
        return;
      }
      if (!parthner2.getInventory().validateCapacity(slots))
      {
        parthner2.sendPacket(Msg.YOUR_INVENTORY_IS_FULL);
        return;
      }
      slots = 0;
      weight = 0;
      for (TradeItem ti : tradeList2)
      {
        ItemInstance item = parthner2.getInventory().getItemByObjectId(ti.getObjectId());
        if ((item == null) || (item.getCount() < ti.getCount()) || !item.canBeTraded(parthner2))
        {
          return;
        }
        weight = SafeMath.addAndCheck(weight, SafeMath.mulAndCheck(ti.getCount(), ti.getItem().getWeight()));
        if (!ti.getItem().isStackable() || (parthner1.getInventory().getItemByItemId(ti.getItemId()) == null))
        {
          slots++;
        }
      }
      if (!parthner1.getInventory().validateWeight(weight))
      {
        parthner1.sendPacket(Msg.YOU_HAVE_EXCEEDED_THE_WEIGHT_LIMIT);
        return;
      }
      if (!parthner1.getInventory().validateCapacity(slots))
      {
        parthner1.sendPacket(Msg.YOUR_INVENTORY_IS_FULL);
        return;
      }
      for (TradeItem ti : tradeList1)
      {
        ItemInstance item = parthner1.getInventory().removeItemByObjectId(ti.getObjectId(), ti.getCount());
        Log.LogItem(parthner1, Log.TradeSell, item);
        Log.LogItem(parthner2, Log.TradeBuy, item);
        parthner2.getInventory().addItem(item);
      }
      for (TradeItem ti : tradeList2)
      {
        ItemInstance item = parthner2.getInventory().removeItemByObjectId(ti.getObjectId(), ti.getCount());
        Log.LogItem(parthner2, Log.TradeSell, item);
        Log.LogItem(parthner1, Log.TradeBuy, item);
        parthner1.getInventory().addItem(item);
      }
      parthner1.sendPacket(Msg.YOUR_TRADE_IS_SUCCESSFUL);
      parthner2.sendPacket(Msg.YOUR_TRADE_IS_SUCCESSFUL);
      success = true;
    }
    finally
    {
      parthner2.getInventory().writeUnlock();
      parthner1.getInventory().writeUnlock();
      request.done();
      parthner1.sendPacket(success ? SendTradeDone.SUCCESS : SendTradeDone.FAIL);
      parthner2.sendPacket(success ? SendTradeDone.SUCCESS : SendTradeDone.FAIL);
    }
  }
}
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