How do I make my custom zombie entity see the player from further away. I thought it was follow range but it doesn't seem to have an effect.

 

package com.willr27.main.entity;

import net.minecraft.entity.Entity;
import net.minecraft.entity.SharedMonsterAttributes;
import net.minecraft.entity.ai.EntityAIAttackOnCollide;
import net.minecraft.entity.ai.EntityAIHurtByTarget;
import net.minecraft.entity.ai.EntityAILookIdle;
import net.minecraft.entity.ai.EntityAIMoveThroughVillage;
import net.minecraft.entity.ai.EntityAIMoveTowardsRestriction;
import net.minecraft.entity.ai.EntityAINearestAttackableTarget;
import net.minecraft.entity.ai.EntityAISwimming;
import net.minecraft.entity.ai.EntityAIWander;
import net.minecraft.entity.ai.EntityAIWatchClosest;
import net.minecraft.entity.monster.EntityMob;
import net.minecraft.entity.passive.EntityVillager;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.util.DamageSource;
import net.minecraft.world.World;

public class EntityEnragedZombie extends EntityMob {
public EntityEnragedZombie(World world) {
	super(world);

	this.tasks.addTask(0, new EntityAISwimming(this));
	this.tasks.addTask(2, new EntityAIAttackOnCollide(this, EntityPlayer.class, 1.0D, false));
	this.tasks.addTask(4, new EntityAIAttackOnCollide(this, EntityVillager.class, 1.0D, true));
	this.tasks.addTask(5, new EntityAIMoveTowardsRestriction(this, 1.0D));
	this.tasks.addTask(6, new EntityAIMoveThroughVillage(this, 1.0D, false));
	this.tasks.addTask(7, new EntityAIWander(this, 1.0D));
	this.tasks.addTask(8, new EntityAIWatchClosest(this, EntityPlayer.class, 8.0F));
	this.tasks.addTask(8, new EntityAILookIdle(this));
	this.targetTasks.addTask(1, new EntityAIHurtByTarget(this, true));
	this.targetTasks.addTask(2, new EntityAINearestAttackableTarget(this, EntityPlayer.class, 0, true));
	this.targetTasks.addTask(2, new EntityAINearestAttackableTarget(this, EntityVillager.class, 0, false));
	this.setSize(0.6F, 1.8F);
}

@Override
protected void applyEntityAttributes() {
	super.applyEntityAttributes();
	this.getEntityAttribute(SharedMonsterAttributes.followRange).setBaseValue(750.0D);
	this.getEntityAttribute(SharedMonsterAttributes.maxHealth).setBaseValue(30.0D);
	this.getEntityAttribute(SharedMonsterAttributes.movementSpeed).setBaseValue(0.5D);
	this.getEntityAttribute(SharedMonsterAttributes.attackDamage).setBaseValue(5.0D);
}

@Override
public void onLivingUpdate() {	
	super.onLivingUpdate();
}

@Override
public boolean attackEntityAsMob(Entity entity) {
	this.getEntityAttribute(SharedMonsterAttributes.movementSpeed).setBaseValue(10D);

	return entity.attackEntityFrom(DamageSource.causeMobDamage(this), (float) getEntityAttribute(SharedMonsterAttributes.attackDamage).getAttributeValue());
}
}

The EntityMob class overrides the

findPlayerToAttack()

method to find the closest player in range. The 16.0D in that method is max range it will look for entities. You need to copy that method and change the 16.0D to change the range.

I think it may have been because I forgot:

 

@Override
public boolean isAIEnabled() {

	return true;

}