/*
* 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 silentium.gameserver.network.clientpackets;
import java.util.List;
import silentium.gameserver.TradeController;
import silentium.gameserver.configs.MainConfig;
import silentium.gameserver.configs.PlayersConfig;
import silentium.gameserver.model.L2TradeList;
import silentium.gameserver.model.L2TradeList.L2TradeItem;
import silentium.gameserver.model.actor.L2Npc;
import silentium.gameserver.model.actor.instance.L2MerchantInstance;
import silentium.gameserver.model.actor.instance.L2PcInstance;
import silentium.gameserver.network.SystemMessageId;
import silentium.gameserver.network.serverpackets.ItemList;
import silentium.gameserver.network.serverpackets.StatusUpdate;
import silentium.gameserver.network.serverpackets.SystemMessage;
import silentium.gameserver.tables.ItemTable;
import silentium.gameserver.templates.item.L2Item;
import silentium.gameserver.utils.Util;
public final class RequestBuyItem extends L2GameClientPacket
{
private static final int BATCH_LENGTH = 8; // length of the one item
private int _listId;
private Item[] _items = null;
@Override
protected void readImpl()
{
_listId = readD();
int count = readD();
if (count <= 0 || count > PlayersConfig.MAX_ITEM_IN_PACKET || count * BATCH_LENGTH != _buf.remaining())
return;
_items = new Item[count];
for (int i = 0; i < count; i++)
{
int itemId = readD();
int cnt = readD();
if (itemId < 1 || cnt < 1)
{
_items = null;
return;
}
_items[i] = new Item(itemId, cnt);
}
}
@Override
protected void runImpl()
{
L2PcInstance player = getClient().getActiveChar();
if (player == null)
return;
if (_items == null)
return;
// Alt game - Karma punishment
if (!PlayersConfig.KARMA_PLAYER_CAN_SHOP && player.getKarma() > 0)
return;
L2Npc merchant = null;
if (!player.isGM())
{
merchant = (player.getTarget() instanceof L2MerchantInstance) ? (L2Npc) player.getTarget() : null;
if (merchant == null || !merchant.canInteract(player))
return;
}
L2TradeList list = null;
double taxRate = 0;
if (merchant != null)
{
List<L2TradeList> lists = null;
if (merchant instanceof L2MerchantInstance)
{
lists = TradeController.getInstance().getBuyListByNpcId(((L2MerchantInstance) merchant).getNpcId());
taxRate = merchant.getCastle().getTaxRate();
}
if (!player.isGM())
{
if (lists == null)
{
Util.handleIllegalPlayerAction(player, player.getName() + " of account " + player.getAccountName() + " sent a false BuyList list_id " + _listId, MainConfig.DEFAULT_PUNISH);
return;
}
for (L2TradeList tradeList : lists)
{
if (tradeList.getListId() == _listId)
list = tradeList;
}
}
else
list = TradeController.getInstance().getBuyList(_listId);
}
else
list = TradeController.getInstance().getBuyList(_listId);
if (list == null)
{
Util.handleIllegalPlayerAction(player, player.getName() + " of account " + player.getAccountName() + " sent a false BuyList list_id " + _listId, MainConfig.DEFAULT_PUNISH);
return;
}
_listId = list.getListId();
int subTotal = 0;
// Check for buylist validity and calculates summary values
long slots = 0;
long weight = 0;
for (Item i : _items)
{
int price = -1;
L2TradeItem tradeItem = list.getItemById(i.getItemId());
if (tradeItem == null)
{
Util.handleIllegalPlayerAction(player, player.getName() + " of account " + player.getAccountName() + " sent a false BuyList list_id " + _listId + " and item_id " + i.getItemId(), MainConfig.DEFAULT_PUNISH);
return;
}
L2Item template = ItemTable.getInstance().getTemplate(i.getItemId());
if (template == null)
continue;
if (!template.isStackable() && i.getCount() > 1)
{
Util.handleIllegalPlayerAction(player, player.getName() + " of account " + player.getAccountName() + " tried to purchase invalid quantity of items at the same time.", MainConfig.DEFAULT_PUNISH);
sendPacket(SystemMessage.getSystemMessage(SystemMessageId.YOU_HAVE_EXCEEDED_QUANTITY_THAT_CAN_BE_INPUTTED));
return;
}
price = list.getPriceForItemId(i.getItemId());
if (i.getItemId() >= 3960 && i.getItemId() <= 4026)
price *= MainConfig.RATE_SIEGE_GUARDS_PRICE;
if (price < 0)
return;
if (price == 0 && !player.isGM())
{
Util.handleIllegalPlayerAction(player, player.getName() + " of account " + player.getAccountName() + " tried buy item for 0 adena.", MainConfig.DEFAULT_PUNISH);
return;
}
if (tradeItem.hasLimitedStock())
{
// trying to buy more then available
if (i.getCount() > tradeItem.getCurrentCount())
return;
}
if ((Integer.MAX_VALUE / i.getCount()) < price)
{
Util.handleIllegalPlayerAction(player, player.getName() + " of account " + player.getAccountName() + " tried to purchase over " + Integer.MAX_VALUE + " adena worth of goods.", MainConfig.DEFAULT_PUNISH);
return;
}
// first calculate price per item with tax, then multiply by count
price = (int) (price * (1 + taxRate));
subTotal += i.getCount() * price;
if (subTotal > Integer.MAX_VALUE)
{
Util.handleIllegalPlayerAction(player, player.getName() + " of account " + player.getAccountName() + " tried to purchase over " + Integer.MAX_VALUE + " adena worth of goods.", MainConfig.DEFAULT_PUNISH);
return;
}
weight += i.getCount() * template.getWeight();
if (!template.isStackable())
slots += i.getCount();
else if (player.getInventory().getItemByItemId(i.getItemId()) == null)
slots++;
}
if (!player.isGM() && (weight > Integer.MAX_VALUE || weight < 0 || !player.getInventory().validateWeight((int) weight)))
{
sendPacket(SystemMessage.getSystemMessage(SystemMessageId.WEIGHT_LIMIT_EXCEEDED));
return;
}
if (!player.isGM() && (slots > Integer.MAX_VALUE || slots < 0 || !player.getInventory().validateCapacity((int) slots)))
{
sendPacket(SystemMessage.getSystemMessage(SystemMessageId.SLOTS_FULL));
return;
}
// Charge buyer and add tax to castle treasury if not owned by npc clan
if ((subTotal < 0) || !player.reduceAdena("Buy", subTotal, player.getCurrentFolkNPC(), false))
{
sendPacket(SystemMessage.getSystemMessage(SystemMessageId.YOU_NOT_ENOUGH_ADENA));
return;
}
// Proceed the purchase
for (Item i : _items)
{
L2TradeItem tradeItem = list.getItemById(i.getItemId());
if (tradeItem == null)
{
Util.handleIllegalPlayerAction(player, player.getName() + " of account " + player.getAccountName() + " sent a false BuyList list_id " + _listId + " and item_id " + i.getItemId(), MainConfig.DEFAULT_PUNISH);
continue;
}
if (tradeItem.hasLimitedStock())
{
if (tradeItem.decreaseCount(i.getCount()))
player.getInventory().addItem("Buy", i.getItemId(), i.getCount(), player, merchant);
}
else
player.getInventory().addItem("Buy", i.getItemId(), i.getCount(), player, merchant);
}
// add to castle treasury
if (merchant instanceof L2MerchantInstance)
((L2MerchantInstance) merchant).getCastle().addToTreasury((int) (subTotal * taxRate));
StatusUpdate su = new StatusUpdate(player);
su.addAttribute(StatusUpdate.CUR_LOAD, player.getCurrentLoad());
player.sendPacket(su);
player.sendPacket(new ItemList(player, true));
}
private static class Item
{
private final int _itemId, _count;
public Item(int id, int num)
{
_itemId = id;
_count = num;
}
public int getItemId()
{
return _itemId;
}
public int getCount()
{
return _count;
}
}
}