Stack.class

package me.nock.test;

import java.util.List;

import org.bukkit.entity.Entity;
import org.bukkit.entity.EntityType;
import org.bukkit.entity.Player;
import org.bukkit.entity.Zombie;
import org.bukkit.event.EventHandler;
import org.bukkit.event.Listener;
import org.bukkit.event.entity.EntityDeathEvent;
import org.bukkit.event.entity.SpawnerSpawnEvent;
import org.bukkit.metadata.FixedMetadataValue;
import org.bukkit.metadata.MetadataValue;

public class Stack implements Listener{

    @EventHandler
    public void spawn(SpawnerSpawnEvent e) {
        Entity z = e.getEntity();
        z.setMetadata("Stack", new FixedMetadataValue(Main.main, 30));
        List<MetadataValue> meta = z.getMetadata("Stack");
        z.setCustomName("§bx"+meta.get(0).asInt()+" §6"+getMobname(z));
    }

    @EventHandler
    public void death(EntityDeathEvent e) {
        if (e.getEntity() instanceof Player) {
            return;
        }
        Entity z = e.getEntity();
        List<MetadataValue> meta = z.getMetadata("Stack");
        if (meta != null) {
            if (meta.get(0).asInt() > 1) {
                int quantidade = meta.get(0).asInt() - 1;
                Entity nova = z.getWorld().spawn(z.getLocation(), Zombie.class);
                nova.setMetadata("Stack", new FixedMetadataValue(Main.main, quantidade));
                nova.setCustomName("§bx"+quantidade+" §6"+getMobname(nova));
            }
        }
    }

    public String getMobname(Entity entity) {
        if (entity.getType() == EntityType.ZOMBIE) {
            return "§2Zumbis";
        }
        if (entity.getType() == EntityType.CREEPER) {
            return "§2Creeper";
        }
        if (entity.getType() == EntityType.IRON_GOLEM) {
            return "§7Iron Golem";
        }
        if (entity.getType() == EntityType.PIG) {
            return "§aPeppa Pig";
        }
        if (entity.getType() == EntityType.SLIME) {
            return "§aBola Verde";
        }
        return "Mob";
    }

}