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 com.aionemu.gameserver.skillengine.effect;
  
  import javax.xml.bind.annotation.XmlAccessType;
  import javax.xml.bind.annotation.XmlAccessorType;
  import javax.xml.bind.annotation.XmlType;
  
  import com.aionemu.gameserver.geoEngine.collision.CollisionIntention;
  import com.aionemu.gameserver.geoEngine.math.Vector3f;
  import com.aionemu.gameserver.model.gameobjects.Creature;
  import com.aionemu.gameserver.model.stats.container.StatEnum;
  import com.aionemu.gameserver.network.aion.serverpackets.SM_FORCED_MOVE;
  import com.aionemu.gameserver.skillengine.model.Effect;
  import com.aionemu.gameserver.skillengine.model.SkillMoveType;
  import com.aionemu.gameserver.skillengine.model.SpellStatus;
  import com.aionemu.gameserver.utils.MathUtil;
  import com.aionemu.gameserver.utils.PacketSendUtility;
  import com.aionemu.gameserver.world.World;
  import com.aionemu.gameserver.world.geo.GeoService;
  
  /**
   * @author VladimirZ,
   * @modified Cheatkiller
   */
  @XmlAccessorType(XmlAccessType.FIELD)
  @XmlType(name = "SimpleRootEffect")
  public class SimpleRootEffect extends EffectTemplate {
  
  	@Override
  	public void applyEffect(Effect effect) {
  		effect.addToEffectedController();
  	}
  
  	@Override
  	public void calculate(Effect effect) {
  		if (effect.getEffected().getEffectController().hasAbnormalEffect(1968) || effect.getEffected().getEffectController().hasAbnormalEffect(2376) || effect.getEffected().getEffectController().hasAbnormalEffect(8224)) {
  			return;
  		}
  		super.calculate(effect, StatEnum.STAGGER_RESISTANCE, null);
  	}
  
  	@Override
  	public void startEffect(final Effect effect) {
  		final Creature effected = effect.getEffected();
  		byte heading = effect.getEffector().getHeading();
  		effect.setSpellStatus(SpellStatus.NONE);
  		effect.setSkillMoveType(SkillMoveType.KNOCKBACK);
  		// effect.getEffected().getController().cancelCurrentSkill(); //TODO: Not sure about this
  		effect.getEffected().getEffectController().setAbnormal(AbnormalState.KNOCKBACK.getId());
  		effect.setAbnormal(AbnormalState.KNOCKBACK.getId());
  		double radian = Math.toRadians(MathUtil.convertHeadingToDegree(heading));
  		float x1 = (float) (Math.cos(radian) * 0.7f);
  		float y1 = (float) (Math.sin(radian) * 0.7f);
  		float z = effected.getZ();
  		byte intentions = (byte) (CollisionIntention.PHYSICAL.getId() | CollisionIntention.DOOR.getId());
  		Vector3f closestCollision = GeoService.getInstance().getClosestCollision(effected, effected.getX() + x1, effected.getY() + y1, effected.getZ() - 0.4f, false, intentions);
  		x1 = closestCollision.x;
  		y1 = closestCollision.y;
  		z = closestCollision.z;
  		World.getInstance().updatePosition(effected, x1, y1, z, heading, false);
  		PacketSendUtility.broadcastPacketAndReceive(effected, new SM_FORCED_MOVE(effect.getEffector(), effected.getObjectId(), x1, y1, z));
  	}
  
  	@Override
  	public void endEffect(Effect effect) {
  		effect.getEffected().getEffectController().unsetAbnormal(AbnormalState.KNOCKBACK.getId());
  	}
  }
  