l2j_mobius/trunk/dist/game/data/scripts/handlers/effecthandlers/KnockBack.java
2016-06-12 01:34:09 +00:00

123 lines
4.0 KiB
Java

/*
* 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.effecthandlers;
import com.l2jmobius.gameserver.GeoData;
import com.l2jmobius.gameserver.ai.CtrlEvent;
import com.l2jmobius.gameserver.ai.CtrlIntention;
import com.l2jmobius.gameserver.model.Location;
import com.l2jmobius.gameserver.model.StatsSet;
import com.l2jmobius.gameserver.model.actor.L2Character;
import com.l2jmobius.gameserver.model.effects.AbstractEffect;
import com.l2jmobius.gameserver.model.effects.L2EffectType;
import com.l2jmobius.gameserver.model.items.instance.L2ItemInstance;
import com.l2jmobius.gameserver.model.skills.BuffInfo;
import com.l2jmobius.gameserver.model.skills.Skill;
import com.l2jmobius.gameserver.model.stats.Formulas;
import com.l2jmobius.gameserver.network.serverpackets.FlyToLocation;
import com.l2jmobius.gameserver.network.serverpackets.FlyToLocation.FlyType;
import com.l2jmobius.gameserver.network.serverpackets.ValidateLocation;
import com.l2jmobius.gameserver.util.Util;
/**
* Check if this effect is not counted as being stunned.
* @author UnAfraid
*/
public final class KnockBack extends AbstractEffect
{
private final int _distance;
private final int _speed;
private final int _delay;
private final int _animationSpeed;
private final boolean _knockDown;
private final FlyType _type;
public KnockBack(StatsSet params)
{
_distance = params.getInt("distance", 50);
_speed = params.getInt("speed", 0);
_delay = params.getInt("delay", 0);
_animationSpeed = params.getInt("animationSpeed", 0);
_knockDown = params.getBoolean("knockDown", false);
_type = params.getEnum("type", FlyType.class, _knockDown ? FlyType.PUSH_DOWN_HORIZONTAL : FlyType.PUSH_HORIZONTAL);
}
@Override
public boolean calcSuccess(L2Character effector, L2Character effected, Skill skill)
{
return _knockDown || Formulas.calcProbability(100, effector, effected, skill);
}
@Override
public boolean isInstant()
{
return !_knockDown;
}
@Override
public L2EffectType getEffectType()
{
return L2EffectType.KNOCK;
}
@Override
public void instant(L2Character effector, L2Character effected, Skill skill, L2ItemInstance item)
{
if (!_knockDown)
{
knockBack(effector, effected);
}
}
@Override
public void continuousInstant(L2Character effector, L2Character effected, Skill skill, L2ItemInstance item)
{
if (_knockDown)
{
knockBack(effector, effected);
}
}
@Override
public void onExit(BuffInfo info)
{
if (!info.getEffected().isPlayer())
{
info.getEffected().getAI().notifyEvent(CtrlEvent.EVT_THINK);
}
}
public void knockBack(L2Character effector, L2Character effected)
{
final double radians = Math.toRadians(Util.calculateAngleFrom(effector, effected));
final int x = (int) (effected.getX() + (_distance * Math.cos(radians)));
final int y = (int) (effected.getY() + (_distance * Math.sin(radians)));
final int z = effected.getZ();
final Location loc = GeoData.getInstance().moveCheck(effected.getX(), effected.getY(), effected.getZ(), x, y, z, effected.getInstanceWorld());
effected.getAI().setIntention(CtrlIntention.AI_INTENTION_IDLE);
effected.broadcastPacket(new FlyToLocation(effected, loc, _type, _speed, _delay, _animationSpeed));
if (_knockDown)
{
effected.setHeading(Util.calculateHeadingFrom(effected, effector));
}
effected.setXYZ(loc);
effected.broadcastPacket(new ValidateLocation(effected));
effected.revalidateZone(true);
}
}