l2j-server-datapack/L2J_DataPack_BETA/dist/game/data/scripts/handlers/effecthandlers/HpDrain.java

/*
 * Copyright (C) 2004-2013 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 handlers.effecthandlers;

import com.l2jserver.gameserver.enums.ShotType;
import com.l2jserver.gameserver.model.actor.L2Character;
import com.l2jserver.gameserver.model.effects.EffectTemplate;
import com.l2jserver.gameserver.model.effects.L2Effect;
import com.l2jserver.gameserver.model.effects.L2EffectType;
import com.l2jserver.gameserver.model.stats.Env;
import com.l2jserver.gameserver.model.stats.Formulas;

/**
 * HP Drain effect implementation.
 * @author Adry_85
 */
public class HpDrain extends L2Effect
{
	public HpDrain(Env env, EffectTemplate template)
	{
		super(env, template);
	}
	
	@Override
	public L2EffectType getEffectType()
	{
		return L2EffectType.HP_DRAIN;
	}
	
	@Override
	public boolean isInstant()
	{
		return true;
	}
	
	@Override
	public boolean onStart()
	{
		L2Character target = getEffected();
		L2Character activeChar = getEffector();
		
		// TODO: Unhardcode Cubic Skill to avoid double damage
		if (activeChar.isAlikeDead() || (getSkill().getId() == 4050))
		{
			return false;
		}
		
		boolean sps = getSkill().useSpiritShot() && activeChar.isChargedShot(ShotType.SPIRITSHOTS);
		boolean bss = getSkill().useSpiritShot() && activeChar.isChargedShot(ShotType.BLESSED_SPIRITSHOTS);
		boolean mcrit = Formulas.calcMCrit(activeChar.getMCriticalHit(target, getSkill()));
		byte shld = Formulas.calcShldUse(activeChar, target, getSkill());
		int damage = (int) Formulas.calcMagicDam(activeChar, target, getSkill(), shld, sps, bss, mcrit);
		
		int drain = 0;
		int cp = (int) target.getCurrentCp();
		int hp = (int) target.getCurrentHp();
		
		if (cp > 0)
		{
			drain = (damage < cp) ? 0 : (damage - cp);
		}
		else if (damage > hp)
		{
			drain = hp;
		}
		else
		{
			drain = damage;
		}
		
		double hpAdd = (calc() * drain);
		double hpFinal = ((activeChar.getCurrentHp() + hpAdd) > activeChar.getMaxHp() ? activeChar.getMaxHp() : (activeChar.getCurrentHp() + hpAdd));
		activeChar.setCurrentHp(hpFinal);
		
		if (damage > 0)
		{
			// Manage attack or cast break of the target (calculating rate, sending message...)
			if (!target.isRaid() && Formulas.calcAtkBreak(target, damage))
			{
				target.breakAttack();
				target.breakCast();
			}
			activeChar.sendDamageMessage(target, damage, mcrit, false, false);
			target.reduceCurrentHp(damage, activeChar, getSkill());
			target.notifyDamageReceived(damage, activeChar, getSkill(), mcrit);
		}
		return true;
	}
}