Unlock.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 silentium.scripts.handlers.skill;

import silentium.commons.utils.Rnd;
import silentium.gameserver.ai.CtrlIntention;
import silentium.gameserver.handler.ISkillHandler;
import silentium.gameserver.model.L2Object;
import silentium.gameserver.model.L2Skill;
import silentium.gameserver.model.actor.L2Character;
import silentium.gameserver.model.actor.instance.L2ChestInstance;
import silentium.gameserver.model.actor.instance.L2DoorInstance;
import silentium.gameserver.network.SystemMessageId;
import silentium.gameserver.network.serverpackets.ActionFailed;
import silentium.gameserver.network.serverpackets.SocialAction;
import silentium.gameserver.network.serverpackets.SystemMessage;
import silentium.gameserver.templates.skills.L2SkillType;

public class Unlock implements ISkillHandler {
	private static final L2SkillType[] SKILL_IDS = { L2SkillType.UNLOCK, L2SkillType.UNLOCK_SPECIAL };

	@Override
	public void useSkill(final L2Character activeChar, final L2Skill skill, final L2Object... targets) {
		final L2Object[] targetList = skill.getTargetList(activeChar);

		if (targetList == null)
			return;

		for (final L2Object target : targets) {
			if (target instanceof L2DoorInstance) {
				final L2DoorInstance door = (L2DoorInstance) target;
				if (!door.isUnlockable() && skill.getSkillType() != L2SkillType.UNLOCK_SPECIAL) {
					activeChar.sendPacket(SystemMessage.getSystemMessage(SystemMessageId.UNABLE_TO_UNLOCK_DOOR));
					activeChar.sendPacket(ActionFailed.STATIC_PACKET);
					return;
				}

				if (doorUnlock(skill) && !door.getOpen()) {
					door.openMe();

					// if (skill.getAfterEffectId() == 0)
					door.onOpen();
				} else
					activeChar.sendPacket(SystemMessage.getSystemMessage(SystemMessageId.FAILED_TO_UNLOCK_DOOR));
			} else if (target instanceof L2ChestInstance) {
				final L2ChestInstance chest = (L2ChestInstance) target;
				if (chest.getCurrentHp() <= 0 || chest.isInteracted()) {
					activeChar.sendPacket(ActionFailed.STATIC_PACKET);
					return;
				}

				chest.setInteracted();
				if (chestUnlock(skill, chest)) {
					activeChar.broadcastPacket(new SocialAction(activeChar, 3));
					chest.setSpecialDrop();
					chest.setMustRewardExpSp(false);
					chest.reduceCurrentHp(99999999, activeChar, skill);
				} else {
					activeChar.broadcastPacket(new SocialAction(activeChar, 13));
					chest.addDamageHate(activeChar, 0, 1);
					chest.getAI().setIntention(CtrlIntention.AI_INTENTION_ATTACK, activeChar);

					if (chestTrap(chest))
						chest.chestTrap(activeChar);
				}
			}
		}
	}

	private static boolean doorUnlock(final L2Skill skill) {
		if (skill.getSkillType() == L2SkillType.UNLOCK_SPECIAL)
			return Rnd.get(100) < skill.getPower();

		switch (skill.getLevel()) {
			case 0:
				return false;
			case 1:
				return Rnd.get(120) < 30;
			case 2:
				return Rnd.get(120) < 50;
			case 3:
				return Rnd.get(120) < 75;
			default:
				return Rnd.get(120) < 100;
		}
	}

	private static boolean chestUnlock(final L2Skill skill, final L2Character chest) {
		int chance = 0;
		if (chest.getLevel() > 60) {
			if (skill.getLevel() < 10)
				return false;

			chance = (skill.getLevel() - 10) * 5 + 30;
		} else if (chest.getLevel() > 40) {
			if (skill.getLevel() < 6)
				return false;

			chance = (skill.getLevel() - 6) * 5 + 10;
		} else if (chest.getLevel() > 30) {
			if (skill.getLevel() < 3)
				return false;
			if (skill.getLevel() > 12)
				return true;

			chance = (skill.getLevel() - 3) * 5 + 30;
		} else {
			if (skill.getLevel() > 10)
				return true;

			chance = skill.getLevel() * 5 + 35;
		}

		chance = Math.min(chance, 50);
		return Rnd.get(100) < chance;
	}

	private static boolean chestTrap(final L2Character chest) {
		if (chest.getLevel() > 60)
			return Rnd.get(100) < 80;

		if (chest.getLevel() > 40)
			return Rnd.get(100) < 50;

		if (chest.getLevel() > 30)
			return Rnd.get(100) < 30;

		return Rnd.get(100) < 10;
	}

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