aion-server 4.8

package com.aionemu.gameserver.network.aion.clientpackets;

import java.util.Set;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import com.aionemu.gameserver.model.gameobjects.player.DeniedStatus;
import com.aionemu.gameserver.model.gameobjects.player.Player;
import com.aionemu.gameserver.model.gameobjects.player.RequestResponseHandler;
import com.aionemu.gameserver.network.aion.AionClientPacket;
import com.aionemu.gameserver.network.aion.AionConnection.State;
import com.aionemu.gameserver.network.aion.serverpackets.SM_QUESTION_WINDOW;
import com.aionemu.gameserver.network.aion.serverpackets.SM_SYSTEM_MESSAGE;
import com.aionemu.gameserver.services.ExchangeService;
import com.aionemu.gameserver.utils.PacketSendUtility;
import com.aionemu.gameserver.utils.PositionUtil;
import com.aionemu.gameserver.world.World;

/**
 * @author -Avol-
 */
public class CM_EXCHANGE_REQUEST extends AionClientPacket {

	public Integer targetObjectId;

	private static final Logger log = LoggerFactory.getLogger(CM_EXCHANGE_REQUEST.class);

	public CM_EXCHANGE_REQUEST(int opcode, Set<State> validStates) {
		super(opcode, validStates);
	}

	@Override
	protected void readImpl() {
		targetObjectId = readD();
	}

	@Override
	protected void runImpl() {
		final Player activePlayer = getConnection().getActivePlayer();
		final Player targetPlayer = World.getInstance().getPlayer(targetObjectId);

		if (targetPlayer == null || activePlayer.equals(targetPlayer)) {
			sendPacket(SM_SYSTEM_MESSAGE.STR_EXCHANGE_NO_ONE_TO_EXCHANGE());
			return;
		}

		if (activePlayer.isDead() || targetPlayer.isDead()) {
			log.warn("CM_EXCHANGE_REQUEST dead players target from {} to {}", activePlayer.getObjectId(), targetObjectId);
			return;
		}

		if (!PositionUtil.isInRange(activePlayer, targetPlayer, 5)) {
			sendPacket(SM_SYSTEM_MESSAGE.STR_EXCHANGE_TOO_FAR_TO_EXCHANGE());
			return;
		}

		if (activePlayer.isInAnyHide()) {
			sendPacket(SM_SYSTEM_MESSAGE.STR_EXCHANGE_CANT_EXCHANGE_WHILE_INVISIBLE());
			return;
		}

		if (targetPlayer.isInAnyHide()) {
			sendPacket(SM_SYSTEM_MESSAGE.STR_EXCHANGE_CANT_EXCHANGE_WITH_INVISIBLE_USER());
			return;
		}

		if (!activePlayer.getRace().equals(targetPlayer.getRace())) {
			log.info("[AUDIT] Player " + activePlayer.getName() + " tried trade with player (" + targetPlayer.getName() + ") another race.");
			return;
		}

		if (targetPlayer.getPlayerSettings().isInDeniedStatus(DeniedStatus.TRADE)) {
			sendPacket(SM_SYSTEM_MESSAGE.STR_MSG_REJECTED_TRADE(targetPlayer.getName()));
			return;
		}

		RequestResponseHandler<Player> responseHandler = new RequestResponseHandler<Player>(activePlayer) {

			@Override
			public void acceptRequest(Player requester, Player responder) {
				ExchangeService.getInstance().registerExchange(requester, responder);
			}

			@Override
			public void denyRequest(Player requester, Player responder) {
				PacketSendUtility.sendPacket(requester, SM_SYSTEM_MESSAGE.STR_EXCHANGE_HE_REJECTED_EXCHANGE(responder.getName()));
			}
		};

		boolean requested = targetPlayer.getResponseRequester().putRequest(SM_QUESTION_WINDOW.STR_EXCHANGE_DO_YOU_ACCEPT_EXCHANGE, responseHandler);
		if (requested) {
			sendPacket(SM_SYSTEM_MESSAGE.STR_EXCHANGE_ASKED_EXCHANGE_TO_HIM(targetPlayer.getName()));
			PacketSendUtility.sendPacket(targetPlayer,
				new SM_QUESTION_WINDOW(SM_QUESTION_WINDOW.STR_EXCHANGE_DO_YOU_ACCEPT_EXCHANGE, 0, 0, activePlayer.getName()));
		} else {
			sendPacket(SM_SYSTEM_MESSAGE.STR_EXCHANGE_CANT_ASK_WHEN_HE_IS_ASKED_QUESTION(targetPlayer.getName()));
		}
	}
}