/*
* 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 lineage2.gameserver.skills.effects;
import lineage2.gameserver.geodata.GeoEngine;
import lineage2.gameserver.model.Effect;
import lineage2.gameserver.network.serverpackets.FlyToLocation;
import lineage2.gameserver.network.serverpackets.FlyToLocation.FlyType;
import lineage2.gameserver.network.serverpackets.ValidateLocation;
import lineage2.gameserver.stats.Env;
import lineage2.gameserver.utils.Location;
/**
* @author Mobius
* @version $Revision: 1.0 $
*/
public class EffectKnockBack extends Effect
{
/**
* Field _z. Field _y. Field _x.
*/
private int _x, _y, _z;
private Location _loc = new Location(_x, _y, _z);
/**
* Constructor for EffectKnockBack.
* @param env Env
* @param template EffectTemplate
*/
public EffectKnockBack(Env env, EffectTemplate template)
{
super(env, template);
}
/**
* Method onStart.
*/
@Override
public void onStart()
{
super.onStart();
Location playerLoc = _effected.getLoc();
Location tagetLoc = getEffector().getLoc();
double distance = playerLoc.distance(tagetLoc);
if ((distance > 2000) || (distance < 1))
{
return;
}
double dx = tagetLoc.x - playerLoc.x;
double dy = tagetLoc.y - playerLoc.y;
double dz = tagetLoc.z - playerLoc.z;
int offset = Math.min((int) distance + getSkill().getFlyRadius(), 1400);
offset = (int) (offset + Math.abs(dz));
if (offset < 5)
{
offset = 5;
}
double sin = dy / distance;
double cos = dx / distance;
_x = (tagetLoc.x - (int) (offset * cos));
_y = (tagetLoc.y - (int) (offset * sin));
_z = tagetLoc.z;
_loc = GeoEngine.moveCheck(tagetLoc.x, tagetLoc.y, tagetLoc.z, _x, _y, _effected.getGeoIndex());
if(!_effected.isKnockedBack())
_effected.startKnockingback();
if (_loc == null)
_log.info("EffectKnockBack Loc null check this!");
_effected.broadcastPacket(new FlyToLocation(_effected, _loc, FlyType.PUSH_HORIZONTAL, getSkill().getFlySpeed()));
_effected.abortAttack(true, true);
_effected.abortCast(true, true);
_effected.setXYZ(_loc.getX(), _loc.getY(), _loc.getZ());
_effected.broadcastPacket(new ValidateLocation(_effected));
}
/**
* Method onExit.
*/
@Override
public void onExit()
{
super.onExit();
_effected.setXYZ(_loc.getX(), _loc.getY(), _loc.getZ());
_effected.broadcastPacket(new ValidateLocation(_effected));
if(_effected.isKnockedBack())
_effected.stopKnockingback();
}
/**
* Method onActionTime.
* @return boolean
*/
@Override
public boolean onActionTime()
{
return false;
}
}