content: /**
   * This file is part of Aion-Lightning <aion-lightning.org>.
   *
   *  Aion-Lightning 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.
   *
   *  Aion-Lightning 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 Aion-Lightning.
   *  If not, see <http://www.gnu.org/licenses/>.
   */
  package ai.instance.runatorium;
  
  import java.util.concurrent.Future;
  
  import com.aionemu.gameserver.ai2.AI2Actions;
  import com.aionemu.gameserver.ai2.AIName;
  import com.aionemu.gameserver.ai2.NpcAI2;
  import com.aionemu.gameserver.model.gameobjects.Creature;
  import com.aionemu.gameserver.skillengine.SkillEngine;
  import com.aionemu.gameserver.utils.MathUtil;
  import com.aionemu.gameserver.utils.ThreadPoolManager;
  
  /**
   * @author GiGatR00n v4.7.5.x
   */
  @AIName("flame_cannon")
  // 702405, 855010, 702387, 702388
  public class FlameCannonAI2 extends NpcAI2 {
  
  	private Future<?> task;
  	private final int FlameCannonSpawnTime = 1 * 60 * 1000;// Every 1-minute the Flame Cannons must be despawnd (Na Retail v4.7.5.17).
  
  	@Override
  	protected void handleSpawned() {
  
  		super.handleSpawned();
  		task = ThreadPoolManager.getInstance().schedule(new Runnable() {
  
  			@Override
  			public void run() {
  				getOwner().getController().onDelete();
  			}
  		}, FlameCannonSpawnTime);// After 1-minute the flames will be disappeared.
  	}
  
  	@Override
  	public void handleDespawned() {
  		cancelTask();
  		super.handleDespawned();
  	}
  
  	@Override
  	protected void handleCreatureSee(Creature creature) {
  		checkDistance(this, creature);
  	}
  
  	@Override
  	protected void handleCreatureMoved(Creature creature) {
  		checkDistance(this, creature);
  	}
  
  	private void checkDistance(NpcAI2 ai, Creature creature) {
  		if (!creature.getLifeStats().isAlreadyDead()) {
  			if (MathUtil.isInSphere(creature, 294.73016f, 324.3288f, 79.23065f, 10f) || MathUtil.isInSphere(creature, 234.40262f, 194.1135f, 79.23065f, 10f)) {
  				if (!creature.getEffectController().hasAbnormalEffect(21648)) {
  					AI2Actions.targetCreature(this, creature);
  					FlameDeathSkill();
  				}
  			}
  		}
  	}
  
  	private void FlameDeathSkill() {
  		/* SkillId:21648 (Flame Death) */
  		SkillEngine.getInstance().getSkill(getOwner(), 21648, 56, getOwner().getTarget()).useNoAnimationSkill();
  	}
  
  	private void cancelTask() {
  		if (task != null && !task.isDone()) {
  			task.cancel(true);
  		}
  	}
  }
  