Package lineage2.gameserver.network.clientpackets

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

/*
* 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.ArrayList;
import java.util.List;

import lineage2.commons.math.SafeMath;
import lineage2.gameserver.cache.Msg;
import lineage2.gameserver.instancemanager.WorldStatisticsManager;
import lineage2.gameserver.model.Creature;
import lineage2.gameserver.model.Player;
import lineage2.gameserver.model.items.ItemInstance;
import lineage2.gameserver.model.items.TradeItem;
import lineage2.gameserver.model.worldstatistics.CategoryType;
import lineage2.gameserver.network.serverpackets.components.CustomMessage;
import lineage2.gameserver.utils.Log;
import lineage2.gameserver.utils.TradeHelper;

import org.apache.commons.lang3.ArrayUtils;

/**
* @author Mobius
* @version $Revision: 1.0 $
*/
public class RequestPrivateStoreBuy extends L2GameClientPacket
{
  /**
   * Field _sellerId.
   */
  private int _sellerId;
  /**
   * Field _count.
   */
  private int _count;
  /**
   * Field _items.
   */
  private int[] _items;
  /**
   * Field _itemQ.
   */
  private long[] _itemQ;
  /**
   * Field _itemP.
   */
  private long[] _itemP;
 
  /**
   * Method readImpl.
   */
  @Override
  protected void readImpl()
  {
    _sellerId = readD();
    _count = readD();
    if (((_count * 20) > _buf.remaining()) || (_count > Short.MAX_VALUE) || (_count < 1))
    {
      _count = 0;
      return;
    }
    _items = new int[_count];
    _itemQ = new long[_count];
    _itemP = new long[_count];
    for (int i = 0; i < _count; i++)
    {
      _items[i] = readD();
      _itemQ[i] = readQ();
      _itemP[i] = readQ();
      if ((_itemQ[i] < 1) || (_itemP[i] < 1) || (ArrayUtils.indexOf(_items, _items[i]) < i))
      {
        _count = 0;
        break;
      }
    }
  }
 
  /**
   * Method runImpl.
   */
  @Override
  protected void runImpl()
  {
    Player buyer = getClient().getActiveChar();
    if ((buyer == null) || (_count == 0))
    {
      return;
    }
    if (buyer.isActionsDisabled())
    {
      buyer.sendActionFailed();
      return;
    }
    if (buyer.isInStoreMode())
    {
      buyer.sendPacket(Msg.WHILE_OPERATING_A_PRIVATE_STORE_OR_WORKSHOP_YOU_CANNOT_DISCARD_DESTROY_OR_TRADE_AN_ITEM);
      return;
    }
    if (buyer.isInTrade())
    {
      buyer.sendActionFailed();
      return;
    }
    if (buyer.isFishing())
    {
      buyer.sendPacket(Msg.YOU_CANNOT_DO_ANYTHING_ELSE_WHILE_FISHING);
      return;
    }
    if (!buyer.getPlayerAccess().UseTrade)
    {
      buyer.sendPacket(Msg.THIS_ACCOUNT_CANOT_USE_PRIVATE_STORES);
      return;
    }
    Player seller = (Player) buyer.getVisibleObject(_sellerId);
    if ((seller == null) || ((seller.getPrivateStoreType() != Player.STORE_PRIVATE_SELL) && (seller.getPrivateStoreType() != Player.STORE_PRIVATE_SELL_PACKAGE)) || !seller.isInRangeZ(buyer, Creature.INTERACTION_DISTANCE))
    {
      buyer.sendPacket(Msg.THE_ATTEMPT_TO_TRADE_HAS_FAILED);
      buyer.sendActionFailed();
      return;
    }
    List<TradeItem> sellList = seller.getSellList();
    if (sellList.isEmpty())
    {
      buyer.sendPacket(Msg.THE_ATTEMPT_TO_TRADE_HAS_FAILED);
      buyer.sendActionFailed();
      return;
    }
    List<TradeItem> buyList = new ArrayList<>();
    long totalCost = 0;
    int slots = 0;
    long weight = 0;
    buyer.getInventory().writeLock();
    seller.getInventory().writeLock();
    try
    {
      loop:
      for (int i = 0; i < _count; i++)
      {
        int objectId = _items[i];
        long count = _itemQ[i];
        long price = _itemP[i];
        TradeItem bi = null;
        for (TradeItem si : sellList)
        {
          if (si.getObjectId() == objectId)
          {
            if (si.getOwnersPrice() == price)
            {
              if (count > si.getCount())
              {
                break loop;
              }
              ItemInstance item = seller.getInventory().getItemByObjectId(objectId);
              if ((item == null) || (item.getCount() < count) || !item.canBeTraded(seller))
              {
                break loop;
              }
              totalCost = SafeMath.addAndCheck(totalCost, SafeMath.mulAndCheck(count, price));
              weight = SafeMath.addAndCheck(weight, SafeMath.mulAndCheck(count, item.getTemplate().getWeight()));
              if (!item.isStackable() || (buyer.getInventory().getItemByItemId(item.getItemId()) == null))
              {
                slots++;
              }
              bi = new TradeItem();
              bi.setObjectId(objectId);
              bi.setItemId(item.getItemId());
              bi.setCount(count);
              bi.setOwnersPrice(price);
              buyList.add(bi);
              break;
            }
          }
        }
      }
    }
    catch (ArithmeticException ae)
    {
      buyList.clear();
      sendPacket(Msg.YOU_HAVE_EXCEEDED_THE_QUANTITY_THAT_CAN_BE_INPUTTED);
      return;
    }
    finally
    {
      try
      {
        if ((buyList.size() != _count) || ((seller.getPrivateStoreType() == Player.STORE_PRIVATE_SELL_PACKAGE) && (buyList.size() != sellList.size())))
        {
          buyer.sendPacket(Msg.THE_ATTEMPT_TO_TRADE_HAS_FAILED);
          buyer.sendActionFailed();
          return;
        }
        if (!buyer.getInventory().validateWeight(weight))
        {
          buyer.sendPacket(Msg.YOU_HAVE_EXCEEDED_THE_WEIGHT_LIMIT);
          buyer.sendActionFailed();
          return;
        }
        if (!buyer.getInventory().validateCapacity(slots))
        {
          buyer.sendPacket(Msg.YOUR_INVENTORY_IS_FULL);
          buyer.sendActionFailed();
          return;
        }
        if (!buyer.reduceAdena(totalCost))
        {
          buyer.sendPacket(Msg.YOU_DO_NOT_HAVE_ENOUGH_ADENA);
          buyer.sendActionFailed();
          return;
        }
        ItemInstance item;
        for (TradeItem bi : buyList)
        {
          item = seller.getInventory().removeItemByObjectId(bi.getObjectId(), bi.getCount());
          for (TradeItem si : sellList)
          {
            if (si.getObjectId() == bi.getObjectId())
            {
              si.setCount(si.getCount() - bi.getCount());
              if (si.getCount() < 1L)
              {
                sellList.remove(si);
              }
              break;
            }
          }
          Log.LogItem(seller, Log.PrivateStoreSell, item);
          Log.LogItem(buyer, Log.PrivateStoreBuy, item);
          buyer.getInventory().addItem(item);
          TradeHelper.purchaseItem(buyer, seller, bi);
        }
        WorldStatisticsManager.getInstance().updateStat(seller, CategoryType.PRIVATE_SELL_COUNT, buyList.size());

        long tax = TradeHelper.getTax(seller, totalCost);
        if (tax > 0)
        {
          totalCost -= tax;
          seller.sendMessage(new CustomMessage("trade.HavePaidTax", seller).addNumber(tax));
        }
        seller.addAdena(totalCost);
        seller.saveTradeList();
      }
      finally
      {
        seller.getInventory().writeUnlock();
        buyer.getInventory().writeUnlock();
      }
    }
    if (sellList.isEmpty())
    {
      TradeHelper.cancelStore(seller);
    }
    seller.sendChanges();
    buyer.sendChanges();
    buyer.sendActionFailed();
  }
}
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