AuraBlast

package src;

import java.util.concurrent.ConcurrentHashMap;

import org.bukkit.Location;
import org.bukkit.entity.Entity;
import org.bukkit.entity.LivingEntity;
import org.bukkit.entity.Player;
import org.bukkit.util.Vector;

import com.projectkorra.projectkorra.GeneralMethods;
import com.projectkorra.projectkorra.earthbending.EarthMethods;
import com.projectkorra.projectkorra.util.ParticleEffect;

public class AuraBlast {

	private static final ConcurrentHashMap<Integer, AuraBlast> instances = new ConcurrentHashMap<Integer, AuraBlast>();

	private Player player;
	private Location blast;
    private Location origin;
    private Vector dir;

    private static int ID = Integer.MIN_VALUE;
    private int id;

	public AuraBlast(Player p) {
		player = p;
		blast = player.getEyeLocation();
		origin = player.getEyeLocation();
		dir = player.getLocation().getDirection().normalize().multiply(1);
		createInstance();
	}

	private void createInstance() {
		id = ID;
		instances.put(id, this);
		if (ID == Integer.MAX_VALUE) {
			ID = Integer.MIN_VALUE;
		}
		ID++;

	}

	public static void repeat() {
		for (int i : instances.keySet()) {
			AuraBlast pb = instances.get(i);
			if (!pb.progress())
				instances.remove(i);
		}
	}

	public boolean progress() {
		blast.add(dir);
		playParticles();
		if (player.isDead() || !player.isOnline()) {
			return false;
		}

		String abil = GeneralMethods.getBoundAbility(player);
		if (abil == null || !abil.equalsIgnoreCase("Aura"))
			return false;

		if (EarthMethods.isTransparentToEarthbending(player, blast.getBlock())) {
			explode();
			return false;
		}

		if (origin.distance(blast) > 25) {
			return false;
		}

		for (Entity entity : GeneralMethods.getEntitiesAroundPoint(blast, 1.5)) {
			if (entity instanceof LivingEntity && entity.getEntityId() != player.getEntityId()) {
				explode();
				GeneralMethods.damageEntity(player, entity, 6, "Aura");
				return false;
			}
		}
		return true;
	}

	private void explode() {
		blast.getWorld().createExplosion(blast, 3F, true);

	}

	private void playParticles() {
		ParticleEffect.WITCH_MAGIC.display(blast, 0.05F, 0.05F, 0.05F, 0.01F, 2);
		ParticleEffect.EXPLODE.display(blast, 0.05F, 0.05F, 0.05F, 0.01F, 2);
		ParticleEffect.CRIT.display(blast, 0.05F, 0.05F, 0.05F, 0.01F, 2);
		ParticleEffect.PORTAL.display(blast, 0.05F, 0.05F, 0.05F, 0.01F, 2);
	}

	public static void clear() {
		instances.clear();
	}
}