123 lines
4.0 KiB
Java
123 lines
4.0 KiB
Java
/*
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* This file is part of the L2J Mobius project.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package handlers.effecthandlers;
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import com.l2jmobius.gameserver.GeoData;
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import com.l2jmobius.gameserver.ai.CtrlEvent;
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import com.l2jmobius.gameserver.ai.CtrlIntention;
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import com.l2jmobius.gameserver.model.Location;
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import com.l2jmobius.gameserver.model.StatsSet;
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import com.l2jmobius.gameserver.model.actor.L2Character;
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import com.l2jmobius.gameserver.model.effects.AbstractEffect;
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import com.l2jmobius.gameserver.model.effects.L2EffectType;
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import com.l2jmobius.gameserver.model.items.instance.L2ItemInstance;
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import com.l2jmobius.gameserver.model.skills.BuffInfo;
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import com.l2jmobius.gameserver.model.skills.Skill;
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import com.l2jmobius.gameserver.model.stats.Formulas;
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import com.l2jmobius.gameserver.network.serverpackets.FlyToLocation;
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import com.l2jmobius.gameserver.network.serverpackets.FlyToLocation.FlyType;
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import com.l2jmobius.gameserver.network.serverpackets.ValidateLocation;
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import com.l2jmobius.gameserver.util.Util;
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/**
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* Check if this effect is not counted as being stunned.
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* @author UnAfraid
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*/
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public final class KnockBack extends AbstractEffect
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{
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private final int _distance;
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private final int _speed;
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private final int _delay;
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private final int _animationSpeed;
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private final boolean _knockDown;
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private final FlyType _type;
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public KnockBack(StatsSet params)
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{
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_distance = params.getInt("distance", 50);
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_speed = params.getInt("speed", 0);
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_delay = params.getInt("delay", 0);
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_animationSpeed = params.getInt("animationSpeed", 0);
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_knockDown = params.getBoolean("knockDown", false);
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_type = params.getEnum("type", FlyType.class, _knockDown ? FlyType.PUSH_DOWN_HORIZONTAL : FlyType.PUSH_HORIZONTAL);
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}
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@Override
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public boolean calcSuccess(L2Character effector, L2Character effected, Skill skill)
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{
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return _knockDown || Formulas.calcProbability(100, effector, effected, skill);
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}
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@Override
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public boolean isInstant()
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{
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return !_knockDown;
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}
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@Override
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public L2EffectType getEffectType()
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{
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return L2EffectType.KNOCK;
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}
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@Override
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public void instant(L2Character effector, L2Character effected, Skill skill, L2ItemInstance item)
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{
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if (!_knockDown)
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{
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knockBack(effector, effected);
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}
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}
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@Override
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public void continuousInstant(L2Character effector, L2Character effected, Skill skill, L2ItemInstance item)
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{
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if (_knockDown)
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{
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knockBack(effector, effected);
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}
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}
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@Override
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public void onExit(BuffInfo info)
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{
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if (!info.getEffected().isPlayer())
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{
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info.getEffected().getAI().notifyEvent(CtrlEvent.EVT_THINK);
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}
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}
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public void knockBack(L2Character effector, L2Character effected)
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{
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final double radians = Math.toRadians(Util.calculateAngleFrom(effector, effected));
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final int x = (int) (effected.getX() + (_distance * Math.cos(radians)));
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final int y = (int) (effected.getY() + (_distance * Math.sin(radians)));
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final int z = effected.getZ();
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final Location loc = GeoData.getInstance().moveCheck(effected.getX(), effected.getY(), effected.getZ(), x, y, z, effected.getInstanceWorld());
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effected.getAI().setIntention(CtrlIntention.AI_INTENTION_IDLE);
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effected.broadcastPacket(new FlyToLocation(effected, loc, _type, _speed, _delay, _animationSpeed));
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if (_knockDown)
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{
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effected.setHeading(Util.calculateHeadingFrom(effected, effector));
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}
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effected.setXYZ(loc);
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effected.broadcastPacket(new ValidateLocation(effected));
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effected.revalidateZone(true);
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}
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}
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