110 lines
3.5 KiB
Java
110 lines
3.5 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.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.items.instance.L2ItemInstance;
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import com.l2jmobius.gameserver.model.skills.Skill;
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import com.l2jmobius.gameserver.network.serverpackets.FlyToLocation;
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import com.l2jmobius.gameserver.network.serverpackets.ValidateLocation;
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/**
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* Enemy Charge effect implementation.
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*/
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public final class EnemyCharge extends AbstractEffect
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{
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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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public EnemyCharge(StatsSet params)
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{
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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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}
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@Override
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public boolean isInstant()
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{
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return true;
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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 (effected.isMovementDisabled())
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{
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return;
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}
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// Get current position of the L2Character
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final int curX = effector.getX();
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final int curY = effector.getY();
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final int curZ = effector.getZ();
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// Calculate distance (dx,dy) between current position and destination
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final double dx = effected.getX() - curX;
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final double dy = effected.getY() - curY;
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final double dz = effected.getZ() - curZ;
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final double distance = Math.sqrt((dx * dx) + (dy * dy));
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if (distance > 2000)
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{
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_log.info("EffectEnemyCharge was going to use invalid coordinates for characters, getEffector: " + curX + "," + curY + " and getEffected: " + effected.getX() + "," + effected.getY());
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return;
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}
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int offset = Math.max((int) distance - skill.getFlyRadius(), 30);
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// approximation for moving closer when z coordinates are different
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// TODO: handle Z axis movement better
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offset -= Math.abs(dz);
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if (offset < 5)
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{
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offset = 5;
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}
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// If no distance
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if ((distance < 1) || ((distance - offset) <= 0))
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{
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return;
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}
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// Calculate movement angles needed
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final double sin = dy / distance;
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final double cos = dx / distance;
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// Calculate the new destination with offset included
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final int x = curX + (int) ((distance - offset) * cos);
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final int y = curY + (int) ((distance - offset) * sin);
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final int z = effected.getZ();
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final Location destination = GeoData.getInstance().moveCheck(effector.getX(), effector.getY(), effector.getZ(), x, y, z, effector.getInstanceWorld());
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effector.broadcastPacket(new FlyToLocation(effector, destination, skill.getFlyType(), _speed, _delay, _animationSpeed));
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// maybe is need force set X,Y,Z
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effected.setXYZ(destination);
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effected.broadcastPacket(new ValidateLocation(effector));
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effected.revalidateZone(true);
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}
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}
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