SkillBlutungShitScriptPatrickNoJavaSkills

package Skills;

import org.bukkit.Bukkit;
import org.bukkit.Material;
import org.bukkit.craftbukkit.v1_12_R1.entity.CraftPlayer;
import org.bukkit.entity.Entity;
import org.bukkit.entity.LivingEntity;
import org.bukkit.entity.Player;
import org.bukkit.event.EventHandler;
import org.bukkit.event.Listener;
import org.bukkit.event.entity.EntityDamageByEntityEvent;

import HotBarMessageAPI.HotBarMessage;
import me.DrDaddel.Main.Main;
import net.minecraft.server.v1_12_R1.EnumParticle;
import net.minecraft.server.v1_12_R1.PacketPlayOutWorldParticles;

public class Blutung implements Listener {

	int duration = 3;
	int blutung;

	@SuppressWarnings("deprecation")
	@EventHandler
	public void onHit(EntityDamageByEntityEvent e) {

		if (Bukkit.getScheduler().isCurrentlyRunning(blutung)) {
			return;
		}
		if (e.isCancelled())
			return;
		Player p = (Player) e.getDamager();
		Entity t = e.getEntity();
		if (e.getDamager() instanceof Player) {
			if (p.getLevel() >= SkillRatesPlusLevel.getLevelBlutung) {
				if (p.getItemInHand().getType().equals(Material.WOOD_SWORD)
						|| p.getItemInHand().getType().equals(Material.STONE_SWORD)
						|| p.getItemInHand().getType().equals(Material.IRON_SWORD)
						|| p.getItemInHand().getType().equals(Material.GOLD_SWORD)
						|| p.getItemInHand().getType().equals(Material.DIAMOND_SWORD)) {
					double rand = Math.random() * 100;
					double rate = SkillRatesPlusLevel.getRateBlutung(p);
					if (rand >= 0 && rand <= rate) {
						blutung = Bukkit.getScheduler().scheduleAsyncRepeatingTask(Main.instance, new Runnable() {

							@Override
							public void run() {

								if (duration != 0)

								{
									duration--;

									// p.sendMessage("Test");

									if (t instanceof Player) {

										((Player) t).damage(1.0);

										HotBarMessage.sendActionBar((Player) t, "§c**Du Blutest**");
									}

									if (t instanceof LivingEntity) {

										((LivingEntity) t).damage(1.0);
									}

									PacketPlayOutWorldParticles joinParticle = new PacketPlayOutWorldParticles(
											EnumParticle.DAMAGE_INDICATOR, true, (float) t.getLocation().getX(),
											(float) t.getLocation().getY(), (float) t.getLocation().getZ(), -0.2F,
											-0.2F, -0.2F, -0.1F, 50, new int[0]);
									for (Player all : Bukkit.getOnlinePlayers()) {
										((CraftPlayer) all).getHandle().playerConnection.sendPacket(joinParticle);
									}

								}

								else

								{
									duration = 3;
									Bukkit.getScheduler().cancelTask(blutung);
								}
							}
						}, 40, 40);
					}
				}
			}
		}
	}

}