Steal Divinity edit for less QQ

Datapack -> handlers.skillhandlers.StealBuffs.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 handlers.skillhandlers;

/*
 * This class is called when 'steal divinity' skill is used.
 * Each buff have its own chance to be stealed defined by the 'chance' variable
 * Buffs are chosen randomly from now, no more staling last buffs or dances
 * */
import java.util.ArrayList;
import java.util.logging.Level;

import com.l2jserver.gameserver.handler.ISkillHandler;
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.L2Summon;
import com.l2jserver.gameserver.model.actor.instance.L2PcInstance;
import com.l2jserver.gameserver.network.SystemMessageId;
import com.l2jserver.gameserver.network.serverpackets.SystemMessage;
import com.l2jserver.gameserver.skills.Env;
import com.l2jserver.gameserver.skills.Formulas;
import com.l2jserver.gameserver.templates.skills.L2SkillType;
import com.l2jserver.util.Rnd;

public class StealBuffs implements ISkillHandler
{
	private static final L2SkillType[] SKILL_IDS = { L2SkillType.STEAL_BUFF };

	/**
	 *
	 * @see com.l2jserver.gameserver.handler.ISkillHandler#useSkill(com.l2jserver.gameserver.model.actor.L2Character, com.l2jserver.gameserver.model.L2Skill, com.l2jserver.gameserver.model.L2Object[])
	 */
	public void useSkill(L2Character activeChar, L2Skill skill, L2Object[] targets)
	{
		// discharge shots
		final L2ItemInstance weaponInst = activeChar.getActiveWeaponInstance();
		if (weaponInst != null)
		{
			if (skill.isMagic())
			{
				if (weaponInst.getChargedSpiritshot() == L2ItemInstance.CHARGED_BLESSED_SPIRITSHOT)
					weaponInst.setChargedSpiritshot(L2ItemInstance.CHARGED_NONE);
				else if (weaponInst.getChargedSpiritshot() == L2ItemInstance.CHARGED_SPIRITSHOT)
					weaponInst.setChargedSpiritshot(L2ItemInstance.CHARGED_NONE);
			}
		}
		else if (activeChar instanceof L2Summon)
		{
			final L2Summon activeSummon = (L2Summon) activeChar;

			if (skill.isMagic())
			{
				if (activeSummon.getChargedSpiritShot() == L2ItemInstance.CHARGED_BLESSED_SPIRITSHOT)
					activeSummon.setChargedSpiritShot(L2ItemInstance.CHARGED_NONE);
				else if (activeSummon.getChargedSpiritShot() == L2ItemInstance.CHARGED_SPIRITSHOT)
					activeSummon.setChargedSpiritShot(L2ItemInstance.CHARGED_NONE);
			}
		}
		else if (activeChar instanceof L2Npc)
			((L2Npc) activeChar)._spiritshotcharged = false;

		L2Character target;
		L2Effect effect;

		int count = (int) skill.getPower();
		// Chance for each buff to be stealed
		int chance = 70;
		for (L2Object obj : targets)
		{
			if (!(obj instanceof L2Character))
				continue;
			target = (L2Character) obj;

			if (target.isDead())
				continue;

			if (!(target instanceof L2PcInstance))
				continue;

			Env env;
			int lastSkillId = 0;
			final ArrayList<L2Effect> toSteal = new ArrayList<L2Effect>(count);
			final ArrayList<L2Effect> effects = new ArrayList<L2Effect>(target.getAllEffects().length);

			for (L2Effect eff : target.getAllEffects())
			{
				if (eff == null)
					continue;

				if (!eff.canBeStolen()) // Do not add effect if can't be stolen
					continue;

				// if eff time is smaller than 5 sec, will not be stolen, just to save CPU,
				// avoid synchronization(?) problems and NPEs
				if (eff.getAbnormalTime() - eff.getTime() < 5)
					continue;

				effects.add(eff);
			}
			while (count >= 0 && effects.size() > 0)
			{
				if (Rnd.get(1, 100) >= 100 - chance)
				{
					if (effects.size() >= (int) skill.getPower() - 1)
					{
						effect = effects.get(Rnd.get(1, effects.size() - 1));

						if (effect.getSkill().getId() != lastSkillId)
						{
							lastSkillId = effect.getSkill().getId();
							count--;
							toSteal.add(effect);
						}
					}
					else
					{
						if (effects.size() > 0)
						{
							for (L2Effect eff : effects)
							{
								toSteal.add(eff);
								count--;
							}
						}
					}
				}
				else
					count--;
			}

			if (toSteal.size() == 0)
				continue;

			// stealing effects
			for (L2Effect eff : toSteal)
			{
				env = new Env();
				env.player = target;
				env.target = activeChar;
				env.skill = eff.getSkill();
				try
				{
					effect = eff.getEffectTemplate().getStolenEffect(env, eff);
					if (effect != null)
					{
						effect.scheduleEffect();
						if (effect.getShowIcon() && activeChar instanceof L2PcInstance)
						{
							SystemMessage sm = SystemMessage.getSystemMessage(SystemMessageId.YOU_FEEL_S1_EFFECT);
							sm.addSkillName(effect);
							activeChar.sendPacket(sm);
						}
					}
					// Finishing stolen effect
					eff.exit();
				}
				catch (RuntimeException e)
				{
					_log.log(Level.WARNING, "Cannot steal effect: " + eff + " Stealer: " + activeChar + " Stolen: " + target, e);
				}
			}

			//Possibility of a lethal strike
			Formulas.calcLethalHit(activeChar, target, skill);
		}

		if (skill.hasSelfEffects())
		{
			// Applying self-effects
			effect = activeChar.getFirstEffect(skill.getId());
			if (effect != null && effect.isSelfEffect())
			{
				//Replace old effect with new one.
				effect.exit();
			}
			skill.getEffectsSelf(activeChar);
		}
	}

	/**
	 *
	 * @see com.l2jserver.gameserver.handler.ISkillHandler#getSkillIds()
	 */
	public L2SkillType[] getSkillIds()
	{
		return SKILL_IDS;
	}

}