CustomEntityVillager.java

package me.staticjava;

import net.minecraft.server.v1_7_R4.*;
import org.bukkit.craftbukkit.v1_7_R4.util.UnsafeList;

import java.lang.reflect.Field;

/**
 * Created by StaticJava.
 */
public class CustomEntityVillager extends EntityVillager {
    public CustomEntityVillager(World world) {
        super(world);

        try {
            Field bField = PathfinderGoalSelector.class.getDeclaredField("b");
            bField.setAccessible(true);
            Field cField = PathfinderGoalSelector.class.getDeclaredField("c");
            cField.setAccessible(true);

            bField.set(goalSelector, new UnsafeList<PathfinderGoalSelector>());
            bField.set(targetSelector, new UnsafeList<PathfinderGoalSelector>());
            cField.set(goalSelector, new UnsafeList<PathfinderGoalSelector>());
            cField.set(targetSelector, new UnsafeList<PathfinderGoalSelector>());

        } catch (Exception e){
            e.printStackTrace();
        }

        this.goalSelector.a(10, new PathfinderGoalLookAtPlayer(this, EntityHuman.class, 8.0F));

        this.getAttributeInstance(GenericAttributes.maxHealth).setValue(Double.MAX_VALUE);
        this.getAttributeInstance(GenericAttributes.b).setValue(0);
        this.getAttributeInstance(GenericAttributes.c).setValue(Double.MAX_VALUE);
        this.getAttributeInstance(GenericAttributes.d).setValue(0);
    }

    @Override
    public EntityAgeable createChild(EntityAgeable entityAgeable) {
        return null;
    }

    @Override
    public void move(double d0, double d1, double d2){
    }

    @Override
    public boolean damageEntity(DamageSource damagesource, float f) {
        return false;
    }
}