U3Games

final L2PcInstance player = activeChar.getActingPlayer();
                if (target.isDead() || (!target.isAttackable() && //
                    (player != null) && //
                    !player.checkIfPvP(target) && //
                    !(player.isInsideZone(ZoneId.PVP) && target.isInsideZone(ZoneId.PVP)) && //
                    !player.isInOlympiadMode() && //
                    !player.isAtWarWith(target) && //
                    !player.getCurrentSkill().isCtrlPressed()))
                {
                    activeChar.sendPacket(INCORRECT_TARGET);
                    return EMPTY_TARGET_LIST;
                }

final L2PcInstance player = activeChar.getActingPlayer();
                if (target.isDead() || (!target.isAttackable() && //
                    (player != null) && //
                    player.isInPartyWith(target) && //
                    player.isInClanWith(target) && //
                    player.isInAllyWith(target) && // TODO(Zoey76): Confirm.
                    player.isInCommandChannelWith(target) && // TODO(Zoey76): Confirm.
                    player.isOnSameSiegeSideWith(target) && //
                    !(player.isInsideZone(ZoneId.PVP) && target.isInsideZone(ZoneId.PVP)) && //
                    !player.isInOlympiadMode() && //
                    !player.isAtWarWith(target) && //
                    !player.checkIfPvP(target)))
                {
                    activeChar.sendPacket(INCORRECT_TARGET);
                    return EMPTY_TARGET_LIST;
                }

<set name="time" val="10080" />

if ((activeChar != null) && (item.getId() == ID_DEL_ITEM))
		{
			// TODO: Efecto
			return false;
		}

/*
 * Copyright (C) 2004-2016 L2J DataPack
 * 
 * This file is part of L2J DataPack.
 * 
 * L2J DataPack 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.
 * 
 * L2J DataPack 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 custom.events.AutoEvent;

import java.util.concurrent.ScheduledFuture;

import org.l2jdevs.gameserver.ThreadPoolManager;
import org.l2jdevs.gameserver.model.actor.instance.L2PcInstance;
import org.l2jdevs.gameserver.util.Broadcast;

/**
 * Auto Event Example
 * @author Swarlog
 */

public final class AutoEvent extends Event
{
    // Config
    public static final int TIME_START = 60; // minutes
    public static final int TIME_OF_EVENT = 10; // minutes
    public static final int TIME_RESTART = 120; // minutes
    private static boolean EVENT_ACTIVE = false;
    
    // Task, auto event
    private ScheduledFuture<?> _eventTask = null;
    
    private AutoEvent()
    {
        super(AutoEvent.class.getSimpleName(), "custom/events");
        
        // Task
        _eventTask = ThreadPoolManager.getInstance().scheduleGeneral(() -> eventStart(null), TIME_START * 60 * 1000);
    }
    
    @Override
    public boolean eventBypass(L2PcInstance activeChar, String bypass)
    {
        return false;
    }
    
    @Override
    public boolean eventStart(L2PcInstance eventMaker)
    {
        if (EVENT_ACTIVE)
        {
            return false;
        }
        
        if (_eventTask != null)
        {
            _eventTask.cancel(false);
        }
        
        // State
        EVENT_ACTIVE = true;
        
        // Message
        Broadcast.toAllOnlinePlayers("Auto Event ON!");
        
        // Task
        _eventTask = ThreadPoolManager.getInstance().scheduleGeneral(() -> eventStop(null), TIME_OF_EVENT * 60 * 1000);
        
        return true;
    }
    
    @Override
    public boolean eventStop()
    {
        if (!EVENT_ACTIVE)
        {
            return false;
        }
        
        if (_eventTask != null)
        {
            _eventTask.cancel(true);
            _eventTask = null;
        }
        
        // State
        EVENT_ACTIVE = false;
        
        // Task
        _eventTask = ThreadPoolManager.getInstance().scheduleGeneral(() -> eventStart(null), TIME_RESTART * 60 * 1000);
        
        Broadcast.toAllOnlinePlayers("Auto Event OFF!");
        return true;
    }
    
    public static void main(String[] args)
    {
        new AutoEvent();
    }
}

bypass -h npc_%objectId%_...

@Override
public String onKill(L2Npc npc, L2PcInstance killer, boolean isSummon)

npc.setIsInvul(true);

refreshAiParams(attacker, npc, (damage * 1000));

public Collection<ItemHolder> calculateDrops(DropListScope dropListScope, L2Character victim, L2Character killer)
	{
		
		int levelDifference = victim.getLevel() - killer.getLevel();
		final double levelGapChanceToDrop;
		if (getItemId() == Inventory.ADENA_ID)
		{
			levelGapChanceToDrop = Util.map(levelDifference, -Config.DROP_ADENA_MAX_LEVEL_DIFFERENCE, -Config.DROP_ADENA_MIN_LEVEL_DIFFERENCE, Config.DROP_ADENA_MIN_LEVEL_GAP_CHANCE, 100.0);
		}
		else
		{
			levelGapChanceToDrop = Util.map(0, -Config.DROP_ITEM_MAX_LEVEL_DIFFERENCE, -Config.DROP_ITEM_MIN_LEVEL_DIFFERENCE, Config.DROP_ITEM_MIN_LEVEL_GAP_CHANCE, 100.0);
		}
		
		// There is a chance of level gap that it wont drop this item
		if (levelGapChanceToDrop < (Rnd.nextDouble() * 100))
		{
			return null;
		}
		
		final double chance = getChance(victim, killer);
		boolean successes = chance > (Rnd.nextDouble() * 100);
		System.out.println("sucesses vale:" + successes);
		
		if (successes)
		{
			final Collection<ItemHolder> items = new ArrayList<>(1);
			final long baseDropCount = Rnd.get(getMin(victim, killer), getMax(victim, killer));
			final long finaldropCount = (long) (Config.L2JMOD_OLD_DROP_BEHAVIOR ? (baseDropCount * Math.max(1, chance / 100)) + (chance > 100 ? (chance % 100) > (Rnd.nextDouble() * 100) ? baseDropCount : 0 : 0) : baseDropCount);
			
				items.add(new ItemHolder(getItemId(), baseDropCount));
			
			return items;
		}
		
		return null;
		
	}

Collection<ItemHolder> calculatedDrops = null;
		for (IDropItem dropItem : dropList)
		{
			if (dropListScope.equals(DropListScope.CORPSE))
			{
				final Collection<ItemHolder> drops = dropItem.calculateDrops(dropListScope, victim, killer);
				if ((drops == null) || drops.isEmpty())
				{