l2j-server-game/L2J_Server_BETA/java/com/l2jserver/gameserver/skills/l2skills/L2SkillDrain.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 com.l2jserver.gameserver.skills.l2skills;

import java.util.logging.Level;
import java.util.logging.LogRecord;
import java.util.logging.Logger;

import com.l2jserver.Config;
import com.l2jserver.gameserver.model.L2Effect;
import com.l2jserver.gameserver.model.L2ItemInstance;
import com.l2jserver.gameserver.model.L2Object;
import com.l2jserver.gameserver.model.L2Skill;
import com.l2jserver.gameserver.model.actor.L2Character;
import com.l2jserver.gameserver.model.actor.L2Npc;
import com.l2jserver.gameserver.model.actor.L2Playable;
import com.l2jserver.gameserver.model.actor.L2Summon;
import com.l2jserver.gameserver.model.actor.instance.L2CubicInstance;
import com.l2jserver.gameserver.model.actor.instance.L2PcInstance;
import com.l2jserver.gameserver.network.SystemMessageId;
import com.l2jserver.gameserver.network.serverpackets.StatusUpdate;
import com.l2jserver.gameserver.network.serverpackets.SystemMessage;
import com.l2jserver.gameserver.skills.Formulas;
import com.l2jserver.gameserver.templates.StatsSet;
import com.l2jserver.gameserver.templates.skills.L2TargetType;

public class L2SkillDrain extends L2Skill
{
	private static final Logger _logDamage = Logger.getLogger("damage");
	
	private final float _absorbPart;
	private final int _absorbAbs;
	
	public L2SkillDrain(StatsSet set)
	{
		super(set);
		
		_absorbPart = set.getFloat("absorbPart", 0.f);
		_absorbAbs = set.getInteger("absorbAbs", 0);
	}
	
	@Override
	public void useSkill(L2Character activeChar, L2Object[] targets)
	{
		if (activeChar.isAlikeDead())
		{
			return;
		}
		
		boolean ss = false;
		boolean bss = false;
		
		for (L2Character target : (L2Character[]) targets)
		{
			if (target.isAlikeDead() && (getTargetType() != L2TargetType.TARGET_CORPSE_MOB))
			{
				continue;
			}
			
			if ((activeChar != target) && target.isInvul())
			{
				continue; // No effect on invulnerable chars unless they cast it themselves.
			}
			
			L2ItemInstance weaponInst = activeChar.getActiveWeaponInstance();
			
			if (weaponInst != null)
			{
				if (weaponInst.getChargedSpiritshot() == L2ItemInstance.CHARGED_BLESSED_SPIRITSHOT)
				{
					bss = true;
					weaponInst.setChargedSpiritshot(L2ItemInstance.CHARGED_NONE);
				}
				else if (weaponInst.getChargedSpiritshot() == L2ItemInstance.CHARGED_SPIRITSHOT)
				{
					ss = true;
					weaponInst.setChargedSpiritshot(L2ItemInstance.CHARGED_NONE);
				}
			}
			// If there is no weapon equipped, check for an active summon.
			else if (activeChar instanceof L2Summon)
			{
				L2Summon activeSummon = (L2Summon) activeChar;
				
				if (activeSummon.getChargedSpiritShot() == L2ItemInstance.CHARGED_BLESSED_SPIRITSHOT)
				{
					bss = true;
					activeSummon.setChargedSpiritShot(L2ItemInstance.CHARGED_NONE);
				}
				else if (activeSummon.getChargedSpiritShot() == L2ItemInstance.CHARGED_SPIRITSHOT)
				{
					ss = true;
					activeSummon.setChargedSpiritShot(L2ItemInstance.CHARGED_NONE);
				}
			}
			
			boolean mcrit = Formulas.calcMCrit(activeChar.getMCriticalHit(target, this));
			byte shld = Formulas.calcShldUse(activeChar, target, this);
			int damage = isStaticDamage() ? (int) getPower() : (int) Formulas.calcMagicDam(activeChar, target, this, shld, ss, bss, mcrit);
			
			int _drain = 0;
			int _cp = (int) target.getCurrentCp();
			int _hp = (int) target.getCurrentHp();
			
			if (_cp > 0)
			{
				if (damage < _cp)
				{
					_drain = 0;
				}
				else
				{
					_drain = damage - _cp;
				}
			}
			else if (damage > _hp)
			{
				_drain = _hp;
			}
			else
			{
				_drain = damage;
			}
			
			double hpAdd = _absorbAbs + (_absorbPart * _drain);
			double hp = ((activeChar.getCurrentHp() + hpAdd) > activeChar.getMaxHp() ? activeChar.getMaxHp() : (activeChar.getCurrentHp() + hpAdd));
			
			activeChar.setCurrentHp(hp);
			
			StatusUpdate suhp = new StatusUpdate(activeChar);
			suhp.addAttribute(StatusUpdate.CUR_HP, (int) hp);
			activeChar.sendPacket(suhp);
			
			// Check to see if we should damage the target
			if ((damage > 0) && (!target.isDead() || (getTargetType() != L2TargetType.TARGET_CORPSE_MOB)))
			{
				// 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);
				
				if (Config.LOG_GAME_DAMAGE && (activeChar instanceof L2Playable) && (damage > Config.LOG_GAME_DAMAGE_THRESHOLD))
				{
					LogRecord record = new LogRecord(Level.INFO, "");
					record.setParameters(new Object[]
					{
						activeChar, " did damage ", damage, this, " to ", target
					});
					record.setLoggerName("mdam");
					_logDamage.log(record);
				}
				
				if (hasEffects() && (getTargetType() != L2TargetType.TARGET_CORPSE_MOB))
				{
					// ignoring vengance-like reflections
					if ((Formulas.calcSkillReflect(target, this) & Formulas.SKILL_REFLECT_SUCCEED) > 0)
					{
						activeChar.stopSkillEffects(getId());
						getEffects(target, activeChar);
						SystemMessage sm = SystemMessage.getSystemMessage(SystemMessageId.YOU_FEEL_S1_EFFECT);
						sm.addSkillName(getId());
						activeChar.sendPacket(sm);
					}
					else
					{
						// activate attacked effects, if any
						target.stopSkillEffects(getId());
						if (Formulas.calcSkillSuccess(activeChar, target, this, shld, false, ss, bss))
						{
							getEffects(activeChar, target);
						}
						else
						{
							SystemMessage sm = SystemMessage.getSystemMessage(SystemMessageId.C1_RESISTED_YOUR_S2);
							sm.addCharName(target);
							sm.addSkillName(this);
							activeChar.sendPacket(sm);
						}
					}
				}
				
				target.reduceCurrentHp(damage, activeChar, this);
			}
			
			// Check to see if we should do the decay right after the cast
			if (target.isDead() && (getTargetType() == L2TargetType.TARGET_CORPSE_MOB) && (target instanceof L2Npc))
			{
				((L2Npc) target).endDecayTask();
			}
		}
		// effect self :]
		L2Effect effect = activeChar.getFirstEffect(getId());
		if ((effect != null) && effect.isSelfEffect())
		{
			// Replace old effect with new one.
			effect.exit();
		}
		// cast self effect if any
		getEffectsSelf(activeChar);
	}
	
	public void useCubicSkill(L2CubicInstance activeCubic, L2Object[] targets)
	{
		if (Config.DEBUG)
		{
			_log.info("L2SkillDrain: useCubicSkill()");
		}
		
		for (L2Character target : (L2Character[]) targets)
		{
			if (target.isAlikeDead() && (getTargetType() != L2TargetType.TARGET_CORPSE_MOB))
			{
				continue;
			}
			
			boolean mcrit = Formulas.calcMCrit(activeCubic.getMCriticalHit(target, this));
			byte shld = Formulas.calcShldUse(activeCubic.getOwner(), target, this);
			
			int damage = (int) Formulas.calcMagicDam(activeCubic, target, this, mcrit, shld);
			if (Config.DEBUG)
			{
				_log.info("L2SkillDrain: useCubicSkill() -> damage = " + damage);
			}
			
			double hpAdd = _absorbAbs + (_absorbPart * damage);
			L2PcInstance owner = activeCubic.getOwner();
			double hp = ((owner.getCurrentHp() + hpAdd) > owner.getMaxHp() ? owner.getMaxHp() : (owner.getCurrentHp() + hpAdd));
			
			owner.setCurrentHp(hp);
			
			StatusUpdate suhp = new StatusUpdate(owner);
			suhp.addAttribute(StatusUpdate.CUR_HP, (int) hp);
			owner.sendPacket(suhp);
			
			// Check to see if we should damage the target
			if ((damage > 0) && (!target.isDead() || (getTargetType() != L2TargetType.TARGET_CORPSE_MOB)))
			{
				target.reduceCurrentHp(damage, activeCubic.getOwner(), this);
				
				// Manage attack or cast break of the target (calculating rate, sending message...)
				if (!target.isRaid() && Formulas.calcAtkBreak(target, damage))
				{
					target.breakAttack();
					target.breakCast();
				}
				owner.sendDamageMessage(target, damage, mcrit, false, false);
			}
		}
	}
	
}