com.sucy.skill.dynamic.mechanic.LightningMechanic Maven / Gradle / Ivy
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/**
* SkillAPI
* com.sucy.skill.dynamic.mechanic.LightningMechanic
*
* The MIT License (MIT)
*
* Copyright (c) 2014 Steven Sucy
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software") to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.sucy.skill.dynamic.mechanic;
import com.sucy.skill.SkillAPI;
import com.sucy.skill.listener.MechanicListener;
import org.bukkit.Location;
import org.bukkit.entity.LightningStrike;
import org.bukkit.entity.LivingEntity;
import org.bukkit.entity.Player;
import org.bukkit.util.BoundingBox;
import org.bukkit.util.Vector;
import java.util.*;
import java.util.function.Supplier;
/**
* Strikes lightning about each target with an offset
*/
public class LightningMechanic extends MechanicComponent {
private static final Vector up = new Vector(0, 1, 0);
private static final String DAMAGE = "damage";
private static final String GROUP = "group";
private static final String CASTER = "caster";
private static final String FORWARD = "forward";
private static final String RIGHT = "right";
private static final String FIRE = "fire";
@Override
public String getKey() {
return "lightning";
}
/**
* Executes the component
*
* @param caster caster of the skill
* @param level level of the skill
* @param targets targets to apply to
* @param force
* @return true if applied to something, false otherwise
*/
@Override
public boolean execute(LivingEntity caster, int level, List targets, boolean force) {
if (targets.size() == 0) {
return false;
}
double forward = parseValues(caster, FORWARD, level, 0);
double right = parseValues(caster, RIGHT, level, 0);
boolean startFires = settings.getBool(FIRE, true);
for (LivingEntity target : targets) {
Vector dir = target.getLocation().getDirection().setY(0).normalize();
Vector nor = dir.clone().crossProduct(up);
Location loc = target.getLocation().add(dir.multiply(forward).add(nor.multiply(right)));
LightningStrike lightning = target.getWorld().strikeLightning(loc);
SkillAPI.setMeta(lightning, MechanicListener.P_CALL, new Callback(caster, level, force));
if (!startFires) {
SkillAPI.setMeta(lightning, MechanicListener.NO_FIRE, "valNotUsed");
}
}
return targets.size() > 0;
}
/**
* {@inheritDoc}
*/
@Override
public void playPreview(List onPreviewStop, Player caster, int level, Supplier> targetSupplier) {
super.playPreview(onPreviewStop, caster, level, () -> {
Set newTargets = new HashSet<>();
for (LivingEntity target : targetSupplier.get()) {
Location location = target.getLocation();
location = new Location(null, location.getBlockX(), location.getBlockY(), location.getBlockZ());
// Lightning hitbox from the wiki: https://minecraft.fandom.com/wiki/Thunderstorm#Lightning_mechanics
BoundingBox boundingBox = BoundingBox.of(location, 3, 6, 3);
for (LivingEntity livingEntity : target.getWorld().getLivingEntities()) {
if (boundingBox.overlaps(livingEntity.getBoundingBox())) newTargets.add(livingEntity);
}
}
return new ArrayList<>(newTargets);
});
}
public class Callback {
private final LivingEntity caster;
private final int level;
private final boolean force;
private final List struckEntities = new ArrayList<>();
public Callback(LivingEntity caster, int level, boolean force) {
this.caster = caster;
this.level = level;
this.force = force;
}
public double execute(LivingEntity entity) {
if (struckEntities.contains(entity)) {
return -1; // Deals with MC-72028 (lightning bolts sometimes dealing damage twice)
}
boolean canTarget = false;
if (SkillAPI.getSettings().isValidTarget(entity)) {
String group = settings.getString(GROUP, "ENEMY").toUpperCase();
if (caster != entity) {
canTarget = group.equals("BOTH") || group.equals("ALLY") == SkillAPI.getSettings()
.isAlly(caster, entity);
} else {
canTarget = settings.getBool(CASTER, false);
}
}
if (canTarget) {
executeChildren(caster, level, Collections.singletonList(entity), force);
struckEntities.add(entity);
return parseValues(caster, DAMAGE, level, 5);
} else {
return -1;
}
}
}
}