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[solved][1.7.10]custom mob not attacking other mobs


hsgill97@gmail.com

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TheSoulution: I didn't override isAiEnabled that is important when extending EntityMob :-[

 

I have two mobs i made extending EntityMob

They have identical model, renderer,only difference is texture.

The entity class values are similar except I make them target each other but the problem is they don't attack each other. I want them to attack and track each other

redMob

 

package com.harpcode.alienmod;
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.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.player.EntityPlayer;
import net.minecraft.world.World;

public class redAlienBossEntity extends EntityMob
{
public redAlienBossEntity(World p_i1582_1_) 
{
	super(p_i1582_1_);
	this.tasks.addTask(0, new EntityAISwimming(this));
	this.tasks.addTask(2, new EntityAIAttackOnCollide(this,blueAlienBossEntity.class,1.0D,false));
	this.tasks.addTask(3, new EntityAIWander(this,1.0D));
	this.tasks.addTask(4,new EntityAIWatchClosest(this,blueAlienBossEntity.class,8.0F));
	this.tasks.addTask(4, new EntityAILookIdle(this));
	this.targetTasks.addTask(1,new EntityAIHurtByTarget(this,true));
	this.targetTasks.addTask(0, new EntityAINearestAttackableTarget(this,blueAlienBossEntity.class,0,true));		
}	
protected void applyEntityAttributes()
{
	super.applyEntityAttributes();
	this.getEntityAttribute(SharedMonsterAttributes.attackDamage).setBaseValue(;
	this.getEntityAttribute(SharedMonsterAttributes.maxHealth).setBaseValue(20);
	this.getEntityAttribute(SharedMonsterAttributes.movementSpeed).setBaseValue(.;
}
public EntityPlayer findPlayerToAttack()
{
	return null;

}
}

 

 

BlueMob

package com.harpcode.alienmod;
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.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.player.EntityPlayer;
import net.minecraft.world.World;

public class blueAlienBossEntity extends EntityMob
{
public blueAlienBossEntity(World p_i1582_1_) 
{
	super(p_i1582_1_);
	this.tasks.addTask(0, new EntityAISwimming(this));
	this.tasks.addTask(2, new EntityAIAttackOnCollide(this,redAlienBossEntity.class,1.0D,false));
	this.tasks.addTask(3, new EntityAIWander(this,1.0D));
	this.tasks.addTask(4,new EntityAIWatchClosest(this,redAlienBossEntity.class,8.0F));
	this.tasks.addTask(4, new EntityAILookIdle(this));
	this.targetTasks.addTask(1,new EntityAIHurtByTarget(this,true));
	this.targetTasks.addTask(0, new EntityAINearestAttackableTarget(this,redAlienBossEntity.class,0,true));		
}	
protected void applyEntityAttributes()
{
	super.applyEntityAttributes();
	this.getEntityAttribute(SharedMonsterAttributes.attackDamage).setBaseValue(;
	this.getEntityAttribute(SharedMonsterAttributes.maxHealth).setBaseValue(400);
	this.getEntityAttribute(SharedMonsterAttributes.movementSpeed).setBaseValue(1);
}
public EntityPlayer findPlayerToAttack()
{
	return null;

}
}

 

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set it up better :)

 

        this.targetTasks.addTask(0, new EntityAINearestAttackableTarget(this, blueAlienBossEntity.class, 0, true));

 

strange why their are attacking you, because there isn't attack player in their ai .

 

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Mob Armor mod

Block monster mod

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1.7.10 mobs are somewhat hard-coded to look for players, as they all extend EntityCreature which every tick during #updateEntityActionState will target the nearest player if it's not already attacking something.

 

An easy solution is to override #findPlayerToAttack in your custom mob classes to always return null.

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I'm not sure but maybe this works:

 

public boolean canAttackClass(Class class) {

  return redEntitySomething.class != class && blueEntitySomething.class != class;

}

 

I saw this in the source code of minecraft somewhere. I forget where.

#canAttackClass is called from EntityAITarget when determining if a target is suitable... if he uses your code as written, it will guarantee they don't attack each other, which is the exact opposite of what he wants.

 

There is no reason to override the default implementation in the majority of cases.

 

@OP I'm not sure why your mobs aren't attacking each other, but maybe they are and you just can't tell. To know for sure, override #attackEntityAsMob in each of your entity classes and put a System.out.println("Attacking "  + entity.getClass().getSimpleName()) to find out a. if they are ever attacking anything and b. what they are attacking.

 

You should still be able to get them to attack you as a player by hitting them first, so if you're not seeing any console output, try hitting one.

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@Override
public  boolean attackEntityAsMob(Entity entity)
{
	System.out.println("Attacking "  + entity.getClass().getSimpleName());
	return true;		
}

I added this statement they do not attack each other, I get no console output.If i Attack I do get console output of them attack me

I HAve also tested it with villager class my mob doesn't attack anyone through targeting

Updated code for the class

 

public class blueAlienBossEntity extends EntityMob
{
public blueAlienBossEntity(World p_i1582_1_) 
{
	super(p_i1582_1_);
	this.tasks.addTask(0, new EntityAISwimming(this));
	this.tasks.addTask(2, new EntityAIAttackOnCollide(this,redAlienBossEntity.class,1.0D,false));
	this.tasks.addTask(3, new EntityAIWander(this,1.0D));
	this.tasks.addTask(4,new EntityAIWatchClosest(this,redAlienBossEntity.class,8.0F));
	this.tasks.addTask(4, new EntityAILookIdle(this));
	this.targetTasks.addTask(1,new EntityAIHurtByTarget(this,true));
	this.targetTasks.addTask(0, new EntityAINearestAttackableTarget(this,redAlienBossEntity.class,0,true));		
}	
@Override
protected void applyEntityAttributes()
{
	super.applyEntityAttributes();
	this.getEntityAttribute(SharedMonsterAttributes.attackDamage).setBaseValue(;
	this.getEntityAttribute(SharedMonsterAttributes.maxHealth).setBaseValue(400);
	this.getEntityAttribute(SharedMonsterAttributes.movementSpeed).setBaseValue(1);
}
@Override
public EntityPlayer findPlayerToAttack()
{
	return null;

}
@Override
public  boolean attackEntityAsMob(Entity entity)
{
	System.out.println("Attacking "  + entity.getClass().getSimpleName());
	return true;		
}
}

 

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In that case, you may have to override #onLivingUpdate or one of the other update methods and do a little hack like vanilla does to search for the nearest player, but instead search for the nearest of your entity and set it as the current target.

 

I don't see anything else in your code that would prevent them from attacking each other, so perhaps it's just that the targeting AI isn't as, um, performant as one would expect :P

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How would I search for the nearest entity from this entity point of view and set it target.

I tried this code but all it does is crash minecraft. I thought this would search within 10 blocks of the entity i could not find documentation on what is supposed to be passed in the parameters so i did take take a guess

 

@Override
public void onLivingUpdate() {
	if(this.getAttackTarget()==null)
	{
		Entity target=worldObj.findNearestEntityWithinAABB(redAlienBossEntity.class,this.getBoundingBox().expand(10, 10, 10), this);
		this.setTarget(target);
	}
}

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How would I search for the nearest entity from this entity point of view and set it target.

I tried this code but all it does is crash minecraft. I thought this would search within 10 blocks of the entity i could not find documentation on what is supposed to be passed in the parameters so i did take take a guess

 

That's called an AI Task and there's already an AI Task for this, go look at EntityZombie

Apparently I'm a complete and utter jerk and come to this forum just like to make fun of people, be confrontational, and make your personal life miserable.  If you think this is the case, JUST REPORT ME.  Otherwise you're just going to get reported when you reply to my posts and point it out, because odds are, I was trying to be nice.

 

Exception: If you do not understand Java, I WILL NOT HELP YOU and your thread will get locked.

 

DO NOT PM ME WITH PROBLEMS. No help will be given.

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I have already tried ai task for my custom entity (i added a villager in the EntityAINearestAttackableTarget ai) the mob won't target them for some reason.the only time the mob attacks is if it was attacked first. That is why i was hoping to implement the target manually. I have tried darybob suggestion of adding superMethod on livingupdate it didn't fix it.

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