Manadam.java example

Explorer
silentium-master
/*
 * 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 silentium.scripts.handlers.skill;

import silentium.gameserver.handler.ISkillHandler;
import silentium.gameserver.model.L2Effect;
import silentium.gameserver.model.L2ItemInstance;
import silentium.gameserver.model.L2Object;
import silentium.gameserver.model.L2Skill;
import silentium.gameserver.model.actor.L2Character;
import silentium.gameserver.model.actor.instance.L2PcInstance;
import silentium.gameserver.network.SystemMessageId;
import silentium.gameserver.network.serverpackets.StatusUpdate;
import silentium.gameserver.network.serverpackets.SystemMessage;
import silentium.gameserver.skills.Env;
import silentium.gameserver.skills.Formulas;
import silentium.gameserver.templates.skills.L2SkillType;

/**
 * Class handling the Mana damage skill
 *
 * @author slyce
 */
public class Manadam implements ISkillHandler {
	private static final L2SkillType[] SKILL_IDS = { L2SkillType.MANADAM };

	@Override
	public void useSkill(final L2Character activeChar, final L2Skill skill, final L2Object... targets) {
		if (activeChar.isAlikeDead())
			return;

		boolean ss = false;
		boolean bss = false;

		final 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);
			}
		}

		for (L2Character target : (L2Character[]) targets) {
			if (Formulas.calcSkillReflect(target, skill) == Formulas.SKILL_REFLECT_SUCCEED)
				target = activeChar;

			final boolean acted = Formulas.calcMagicAffected(activeChar, target, skill);
			if (target.isInvul() || !acted)
				activeChar.sendPacket(SystemMessage.getSystemMessage(SystemMessageId.MISSED_TARGET));
			else {
				if (skill.hasEffects()) {
					final byte shld = Formulas.calcShldUse(activeChar, target, skill);
					target.stopSkillEffects(skill.getId());

					if (Formulas.calcSkillSuccess(activeChar, target, skill, shld, false, ss, bss))
						skill.getEffects(activeChar, target, new Env(shld, ss, false, bss));
					else
						activeChar.sendPacket(SystemMessage.getSystemMessage(SystemMessageId.S1_RESISTED_YOUR_S2).addCharName(target).addSkillName(skill));
				}

				final double damage = Formulas.calcManaDam(activeChar, target, skill, ss, bss);

				final double mp = damage > target.getCurrentMp() ? target.getCurrentMp() : damage;
				target.reduceCurrentMp(mp);
				if (damage > 0)
					target.stopEffectsOnDamage(true);

				if (target instanceof L2PcInstance) {
					final StatusUpdate sump = new StatusUpdate(target);
					sump.addAttribute(StatusUpdate.CUR_MP, (int) target.getCurrentMp());
					target.sendPacket(sump);

					target.sendPacket(SystemMessage.getSystemMessage(SystemMessageId.S2_MP_HAS_BEEN_DRAINED_BY_S1).addCharName(activeChar).addNumber((int) mp));
				}

				if (activeChar instanceof L2PcInstance)
					activeChar.sendPacket(SystemMessage.getSystemMessage(SystemMessageId.YOUR_OPPONENTS_MP_WAS_REDUCED_BY_S1).addNumber((int) mp));
			}
		}

		if (skill.hasSelfEffects()) {
			final L2Effect effect = activeChar.getFirstEffect(skill.getId());
			if (effect != null && effect.isSelfEffect()) {
				// Replace old effect with new one.
				effect.exit();
			}
			// cast self effect if any
			skill.getEffectsSelf(activeChar);
		}
	}

	@Override
	public L2SkillType[] getSkillIds() {
		return SKILL_IDS;
	}
}