Bukkit

package com.LuckyBlock.customentities;

import java.util.ArrayList;
import java.util.List;

import org.bukkit.ChatColor;
import org.bukkit.Location;
import org.bukkit.Material;
import org.bukkit.Particle;
import org.bukkit.configuration.ConfigurationSection;
import org.bukkit.entity.Entity;
import org.bukkit.entity.EntityType;
import org.bukkit.entity.Villager;
import org.bukkit.event.entity.EntityDamageEvent;
import org.bukkit.inventory.ItemStack;
import org.bukkit.inventory.MerchantRecipe;
import org.core.entity.CustomEntity;

public class EntityLuckyVillager extends CustomEntity {
	
	int seconds = 4;
	
	
	@Override
	public Entity spawnFunction(Location loc){
	Villager villager = (Villager)loc.getWorld().spawnEntity(loc, EntityType.VILLAGER);
	villager.setCustomName(ChatColor.YELLOW+"Lucky Villager");
	villager.setCustomNameVisible(true);
	List<MerchantRecipe> recipes = new ArrayList<MerchantRecipe>();
	MerchantRecipe rec1 = new MerchantRecipe(new ItemStack(Material.DIAMOND_BLOCK), 4);
	rec1.addIngredient(new ItemStack(Material.DIAMOND,9));
	recipes.add(rec1);
	villager.setRecipes(recipes);
	return villager;
	}
	
	@Override
	protected void onDamage(EntityDamageEvent event){
	event.setCancelled(true);
	seconds = 0;
	}
	
	@Override
	public Particle getDeathParticles(){
	return Particle.HEART;
	}
	
	@Override
	protected void onTick(){
	if(seconds > 1){
	seconds--;
	save_def();
	} else {
	entity.getWorld().createExplosion(entity.getLocation(), 4.5f);
	entity.remove();
	}
	}
	
	@Override
	protected int getTickTime(){
	return 20;
	}
	
	public int getSeconds(){
	return seconds;
	}
	
	@Override
	protected void onSave(ConfigurationSection c){
	c.set("Seconds", seconds);
	}
	
	@Override
	protected void onLoad(ConfigurationSection c){
	seconds = c.getInt("Seconds");
	}
	
	@Override
	public String getSpawnEggEntity(){
	return "Villager";
	}
	
}

package com.LuckyBlock.customentities;

import java.util.Arrays;
import java.util.List;

import org.bukkit.ChatColor;
import org.bukkit.Location;
import org.bukkit.Material;
import org.bukkit.Particle;
import org.bukkit.configuration.ConfigurationSection;
import org.bukkit.entity.Entity;
import org.bukkit.entity.EntityType;
import org.bukkit.entity.Monster;
import org.bukkit.entity.Player;
import org.bukkit.entity.Zombie;
import org.bukkit.event.entity.EntityDamageByEntityEvent;
import org.bukkit.event.entity.EntityTargetLivingEntityEvent;
import org.bukkit.inventory.ItemStack;
import org.bukkit.potion.PotionEffect;
import org.bukkit.potion.PotionEffectType;
import org.core.entity.Immunity;

public class EntityKillerZombie extends EntityKiller {
	
	protected int bounty;
	
	
	@Override
	public Entity spawnFunction(Location loc){
	Zombie zombie = (Zombie)loc.getWorld().spawnEntity(loc, EntityType.ZOMBIE);
	zombie.setMaxHealth(150);
	zombie.setHealth(150);
	zombie.setCustomName("Killer Zombie");
	zombie.setCustomNameVisible(true);
	zombie.setBaby(false);
	zombie.setGlowing(true);
	zombie.addPotionEffect(new PotionEffect(PotionEffectType.INVISIBILITY, 99999, 0));
	zombie.getEquipment().setHelmet(new ItemStack(Material.GLASS));
	return zombie;
	}
	
	@Override
	public int getAttackDamage(){
	return 9;
	}
	
	@Override
	protected boolean targetsNearbyEntities(){
	return true;
	}
	
	@Override
	protected EntityType[] getTargets(){
	return new EntityType[]{EntityType.SKELETON,EntityType.SPIDER,EntityType.ENDERMAN,EntityType.SILVERFISH,EntityType.WOLF,
	EntityType.IRON_GOLEM,EntityType.PLAYER,EntityType.CAVE_SPIDER,EntityType.COW,EntityType.CHICKEN,EntityType.SHEEP,EntityType.MUSHROOM_COW,
	EntityType.PIG_ZOMBIE};
	}
	
	@Override
	protected void onTarget(EntityTargetLivingEntityEvent event){
	boolean found = false;
	for(EntityType e : getTargets()){
	if(event.getEntity().getType() == e){
	found = true;
	}
	}
	if(!found){
	event.setCancelled(true);
	}
	}
	
	@Override
	protected void onKillEntity(EntityDamageByEntityEvent event){
	entity.getWorld().spawnParticle(Particle.REDSTONE, entity.getLocation(),130,0.4,0.8,0.4,0);
	int plus = 0;
	if(event.getEntity() instanceof Monster){
	if(getByUUID(event.getEntity().getUniqueId()) != null
	&& getByUUID(event.getEntity().getUniqueId()) instanceof EntityKillerZombie){
	plus=((EntityKillerZombie)getByUUID(event.getEntity().getUniqueId())).bounty;
	} else {
	plus=1000;
	}
	} else if(event.getEntity() instanceof Player){
	plus=2000;
	} else {
	plus=500;
	}
	bounty+=plus;
	save_def();
	}
	
	public int getBounty(){
	return bounty;
	}
	
	@Override
	protected boolean isAnimated(){
	return true;
	}
	
	@Override
	protected List<String> getNames(){
	return Arrays.asList(ChatColor.GOLD+"Killer Zombie",ChatColor.RED+"Killer Zombie",ChatColor.YELLOW+"Killer Zombie");
	}
	
	@Override
	protected int getNamesDelay(){
	return 2;
	}
	
	@Override
	public Immunity[] getImmuneTo(){
	return new Immunity[]{Immunity.THORNS,Immunity.MAGIC,Immunity.PROJECTILE,Immunity.FIRE,Immunity.FIRE_TICK,Immunity.LAVA,Immunity.LIGHTNING};
	}
	
	@Override
	public int getXp(){
	return random.nextInt(600)+450;
	}
	
	@Override
	public double getDefense(){
	return 10;
	}
	
	@Override
	protected void onSave(ConfigurationSection c){
	c.set("Bounty", bounty);
	}
	
	@Override
	protected void onLoad(ConfigurationSection c){
	bounty = c.getInt("Bounty");
	}
	
}

protected EntityType[] getTargets();  //

protected boolean defaultDrops();  //

public Entity spawnFunction(Location loc);  //

public final void remove();  //

public ItemStack[] getDrops();  //

protected int[] getPercents();  //

protected List<String> getNames();  //

protected int getNamesDelay();  //

public int getXp();  //

protected int getTickTime();  //

public double getDefense();  //

public Immunity[] getImmuneTo();  //

protected boolean isAnimated();  //

public int getAttackDamage();  //

protected final void save_def();  //

protected int xpsize();  //

protected boolean targetsNearbyEntities();  //

public Particle getDeathParticles();  //