RequestDropItem.java

/*
 * 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 silentium.gameserver.configs.MainConfig;
import silentium.gameserver.model.L2ItemInstance;
import silentium.gameserver.model.actor.instance.L2PcInstance;
import silentium.gameserver.network.SystemMessageId;
import silentium.gameserver.network.serverpackets.InventoryUpdate;
import silentium.gameserver.network.serverpackets.ItemList;
import silentium.gameserver.templates.item.L2Item;
import silentium.gameserver.utils.IllegalPlayerAction;
import silentium.gameserver.utils.Util;

public final class RequestDropItem extends L2GameClientPacket
{
	private int _objectId;
	private int _count;
	private int _x;
	private int _y;
	private int _z;

	@Override
	protected void readImpl()
	{
		_objectId = readD();
		_count = readD();
		_x = readD();
		_y = readD();
		_z = readD();
	}

	@Override
	protected void runImpl()
	{
		final L2PcInstance activeChar = getClient().getActiveChar();
		if (activeChar == null || activeChar.isDead())
			return;

		if (!getClient().getFloodProtectors().getDropItem().tryPerformAction("dropItem"))
			return;

		final L2ItemInstance item = activeChar.getInventory().getItemByObjectId(_objectId);
		if (item == null || _count == 0 || !activeChar.validateItemManipulation(_objectId, "drop") || (!MainConfig.ALLOW_DISCARDITEM && !activeChar.isGM()) || !item.isDropable())
		{
			activeChar.sendPacket(SystemMessageId.CANNOT_DISCARD_THIS_ITEM);
			return;
		}

		if (item.isQuestItem())
			return;

		if (_count > item.getCount())
		{
			activeChar.sendPacket(SystemMessageId.CANNOT_DISCARD_THIS_ITEM);
			return;
		}

		if (_count < 0)
		{
			Util.handleIllegalPlayerAction(activeChar, "[RequestDropItem] count <= 0! ban! oid: " + _objectId + " owner: " + activeChar.getName(), IllegalPlayerAction.PUNISH_KICK);
			return;
		}

		if (!item.isStackable() && _count > 1)
		{
			Util.handleIllegalPlayerAction(activeChar, "[RequestDropItem] count > 1 but item is not stackable! ban! oid: " + _objectId + " owner: " + activeChar.getName(), IllegalPlayerAction.PUNISH_KICK);
			return;
		}

		if (!activeChar.getAccessLevel().allowTransaction())
		{
			activeChar.sendMessage("Transactions are disabled for your Access Level.");
			activeChar.sendPacket(SystemMessageId.NOTHING_HAPPENED);
			return;
		}

		if (activeChar.isProcessingTransaction() || activeChar.getPrivateStoreType() != 0)
		{
			activeChar.sendPacket(SystemMessageId.CANNOT_TRADE_DISCARD_DROP_ITEM_WHILE_IN_SHOPMODE);
			return;
		}

		if (activeChar.isFishing())
		{
			// You can't mount, dismount, break and drop items while fishing
			activeChar.sendPacket(SystemMessageId.CANNOT_DO_WHILE_FISHING_2);
			return;
		}

		if (item.isAugmented())
		{
			activeChar.sendPacket(SystemMessageId.AUGMENTED_ITEM_CANNOT_BE_DISCARDED);
			return;
		}

		// Cannot discard item that the skill is consumming
		if (activeChar.isCastingNow())
		{
			if (activeChar.getCurrentSkill() != null && activeChar.getCurrentSkill().getSkill().getItemConsumeId() == item.getItemId())
			{
				activeChar.sendPacket(SystemMessageId.CANNOT_DISCARD_THIS_ITEM);
				return;
			}
		}

		// Cannot discard item that the skill is consuming
		if (activeChar.isCastingSimultaneouslyNow())
		{
			if (activeChar.getLastSimultaneousSkillCast() != null && activeChar.getLastSimultaneousSkillCast().getItemConsumeId() == item.getItemId())
			{
				activeChar.sendPacket(SystemMessageId.CANNOT_DISCARD_THIS_ITEM);
				return;
			}
		}

		if (L2Item.TYPE2_QUEST == item.getItem().getType2() && !activeChar.isGM())
		{
			log.trace(activeChar.getName() + " tried to drop a quest item.");

			activeChar.sendPacket(SystemMessageId.CANNOT_DISCARD_EXCHANGE_ITEM);
			return;
		}

		if (!activeChar.isInsideRadius(_x, _y, 150, false) || Math.abs(_z - activeChar.getZ()) > 50)
		{
			log.trace(activeChar.getName() + " tried to drop too far away.");

			activeChar.sendPacket(SystemMessageId.CANNOT_DISCARD_DISTANCE_TOO_FAR);
			return;
		}

		log.trace("Requested drop item " + _objectId + "(" + item.getCount() + ") at " + _x + "/" + _y + "/" + _z);

		if (item.isEquipped())
		{
			L2ItemInstance[] unequipped = activeChar.getInventory().unEquipItemInBodySlotAndRecord(item.getItem().getBodyPart());
			InventoryUpdate iu = new InventoryUpdate();
			for (L2ItemInstance itm : unequipped)
			{
				L2PcInstance.cleanWeaponShots(itm);
				iu.addModifiedItem(itm);
			}

			activeChar.sendPacket(iu);
			activeChar.broadcastUserInfo();
			activeChar.sendPacket(new ItemList(activeChar, true));
		}

		activeChar.dropItem("Drop", _objectId, _count, _x, _y, _z, null, false, false);

		log.trace("Successfully dropped " + _objectId + " item(" + _count + ") at: " + _x + " " + _y + " " + _z);
	}
}