com.sucy.skill.dynamic.target.LinearTarget Maven / Gradle / Ivy

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A Minecraft Bukkit plugin aiming to provide an easy code API and skill editor for all server owners to create unique and fully custom classes and skills.
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/**
 * SkillAPI
 * com.sucy.skill.dynamic.target.LinearTarget
 * 
 * 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.target;

import com.sucy.skill.SkillAPI;
import com.sucy.skill.api.particle.ParticleSettings;
import com.sucy.skill.api.target.TargetHelper;
import org.bukkit.Location;
import org.bukkit.entity.LivingEntity;
import org.bukkit.entity.Player;
import org.bukkit.scheduler.BukkitRunnable;
import org.bukkit.scheduler.BukkitTask;
import org.bukkit.util.Vector;

import java.util.List;
import java.util.function.Supplier;

/**
 * Applies child components to the entities in a line in front of each of the
 * provided targets.
 */
public class LinearTarget extends TargetComponent {
    private static final String RANGE     = "range";
    private static final String TOLERANCE = "tolerance";

    /**
     * {@inheritDoc}
     */
    @Override
    List getTargets(
            final LivingEntity caster, final int level, final List targets) {
        final double tolerance = parseValues(caster, TOLERANCE, level, 4.0);
        final double range     = parseValues(caster, RANGE, level, 5.0);
        return determineTargets(caster, level, targets, t -> TargetHelper.getLivingTargets(t, range, tolerance));
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public void playPreview(List onPreviewStop, Player caster, int level, Supplier> targetSupplier) {
        super.playPreview(onPreviewStop, caster, level, targetSupplier);

        if (preview.getBool("line", false)) {
            BukkitTask task = new BukkitRunnable() {
                @Override
                public void run() {
                    ParticleSettings particleSettings = new ParticleSettings(preview, "line-");
                    double           range            = parseValues(caster, RANGE, level, 5.0);
                    double           density          = preview.getDouble("line-"+"density", 1);

                    double rStep = 1/range/density;

                    for (LivingEntity target : targetSupplier.get()) {
                        Location origin    = target.getEyeLocation();
                        Vector   direction = origin.getDirection();

                        Vector directionStep = direction.clone().multiply(rStep);
                        double startDistance = preview.getDouble("line-start-distance", 2);
                        origin.add(direction.clone().multiply(startDistance));
                        for (double rLocation = startDistance; rLocation <= range; rLocation += rStep) {
                            particleSettings.instance(caster, origin.getX(), origin.getY(), origin.getZ());
                            origin.add(directionStep);
                        }
                    }
                }
            }.runTaskTimer(SkillAPI.inst(),0, Math.max(1, preview.getInt("line-"+"period", 5)));
            onPreviewStop.add(task::cancel);
        }

        if (preview.getBool("cylinder", false)) {
            BukkitTask task = new BukkitRunnable() {
                @Override
                public void run() {
                    ParticleSettings particleSettings = new ParticleSettings(preview, "cylinder-");
                    double range = parseValues(caster, RANGE, level, 5.0);
                    double radius = parseValues(caster, TOLERANCE, level, 0);
                    double density = preview.getDouble("cylinder-"+"density", 1);

                    double rStep = 1/range/density;
                    double angleStep = 1/radius/density;

                    for (LivingEntity target : targetSupplier.get()) {
                        Location origin = target.getEyeLocation();
                        Vector direction = origin.getDirection();

                        Location altDirection = origin.clone();
                        altDirection.setPitch((origin.getPitch()+135)%180-90); // Move pitch 45° without overflow
                        Vector radiusVec = altDirection.getDirection().crossProduct(direction).multiply(radius);

                        Vector directionStep = direction.clone().multiply(rStep);
                        double startDistance = preview.getDouble("cylinder-start-distance", 2);
                        origin.add(direction.clone().multiply(startDistance));
                        for (double rLocation = startDistance; rLocation <= range; rLocation += rStep) {
                            for (double totalAngle = 0; totalAngle <= Math.PI + 0.1; totalAngle += angleStep) {
                                Vector vector = radiusVec.clone().rotateAroundNonUnitAxis(direction, totalAngle);
                                particleSettings.instance(caster, origin.getX()+vector.getX(), origin.getY()+vector.getY(), origin.getZ()+vector.getZ());
                                particleSettings.instance(caster, origin.getX()-vector.getX(), origin.getY()-vector.getY(), origin.getZ()-vector.getZ());
                            }

                            origin.add(directionStep);
                        }
                    }
                }
            }.runTaskTimer(SkillAPI.inst(),0, Math.max(1, preview.getInt("cylinder-"+"period", 5)));
            onPreviewStop.add(task::cancel);
        }
    }

    @Override
    public String getKey() {
        return "linear";
    }
}