105 lines
3.6 KiB
Java
105 lines
3.6 KiB
Java
/*
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* Copyright (C) 2004-2015 L2J DataPack
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*
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* This file is part of L2J DataPack.
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*
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* L2J DataPack 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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* L2J DataPack 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.l2jserver.gameserver.GeoData;
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import com.l2jserver.gameserver.model.Location;
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import com.l2jserver.gameserver.model.StatsSet;
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import com.l2jserver.gameserver.model.conditions.Condition;
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import com.l2jserver.gameserver.model.effects.AbstractEffect;
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import com.l2jserver.gameserver.model.skills.BuffInfo;
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import com.l2jserver.gameserver.network.serverpackets.FlyToLocation;
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import com.l2jserver.gameserver.network.serverpackets.FlyToLocation.FlyType;
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import com.l2jserver.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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public EnemyCharge(Condition attachCond, Condition applyCond, StatsSet set, StatsSet params)
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{
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super(attachCond, applyCond, set, params);
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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 onStart(BuffInfo info)
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{
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if (info.getEffected().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 = info.getEffector().getX();
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final int curY = info.getEffector().getY();
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final int curZ = info.getEffector().getZ();
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// Calculate distance (dx,dy) between current position and destination
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double dx = info.getEffected().getX() - curX;
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double dy = info.getEffected().getY() - curY;
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double dz = info.getEffected().getZ() - curZ;
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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: " + info.getEffected().getX() + "," + info.getEffected().getY());
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return;
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}
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int offset = Math.max((int) distance - info.getSkill().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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double sin = dy / distance;
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double cos = dx / distance;
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// Calculate the new destination with offset included
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int x = curX + (int) ((distance - offset) * cos);
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int y = curY + (int) ((distance - offset) * sin);
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int z = info.getEffected().getZ();
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final Location destination = GeoData.getInstance().moveCheck(info.getEffector().getX(), info.getEffector().getY(), info.getEffector().getZ(), x, y, z, info.getEffector().getInstanceId());
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info.getEffector().broadcastPacket(new FlyToLocation(info.getEffector(), destination, FlyType.CHARGE));
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// maybe is need force set X,Y,Z
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info.getEffector().setXYZ(destination);
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info.getEffector().broadcastPacket(new ValidateLocation(info.getEffector()));
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}
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}
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