/*
 * This file is part of the L2J Mobius project.
 * 
 * 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.skillconditionhandlers;

import java.util.List;

import org.l2jmobius.gameserver.model.StatSet;
import org.l2jmobius.gameserver.model.World;
import org.l2jmobius.gameserver.model.WorldObject;
import org.l2jmobius.gameserver.model.actor.Creature;
import org.l2jmobius.gameserver.model.actor.Npc;
import org.l2jmobius.gameserver.model.skill.ISkillCondition;
import org.l2jmobius.gameserver.model.skill.Skill;

/**
 * @author UnAfraid, Mobius
 */
public class OpExistNpcSkillCondition implements ISkillCondition
{
	private final List<Integer> _npcIds;
	private final int _range;
	private final boolean _isAround;
	
	public OpExistNpcSkillCondition(StatSet params)
	{
		_npcIds = params.getList("npcIds", Integer.class);
		_range = params.getInt("range");
		_isAround = params.getBoolean("isAround");
	}
	
	@Override
	public boolean canUse(Creature caster, Skill skill, WorldObject target)
	{
		for (Npc npc : World.getInstance().getVisibleObjectsInRange(caster, Npc.class, _range))
		{
			if (_npcIds.contains(npc.getId()))
			{
				return _isAround;
			}
		}
		return !_isAround;
	}
}
