Titles says it all...

I DID implement IBossDisplayData. Is that not enough?

 

Entity code:

 

 

package com.fandomcraft.entity;

 

import java.util.UUID;

 

import net.minecraft.command.IEntitySelector;

import net.minecraft.entity.Entity;

import net.minecraft.entity.EntityAgeable;

import net.minecraft.entity.EntityList;

import net.minecraft.entity.EntityLiving;

import net.minecraft.entity.EntityLivingBase;

import net.minecraft.entity.EnumCreatureAttribute;

import net.minecraft.entity.SharedMonsterAttributes;

import net.minecraft.entity.ai.EntityAIAttackOnCollide;

import net.minecraft.entity.ai.EntityAIAvoidEntity;

import net.minecraft.entity.ai.EntityAIFollowOwner;

import net.minecraft.entity.ai.EntityAILookIdle;

import net.minecraft.entity.ai.EntityAIMate;

import net.minecraft.entity.ai.EntityAIMoveTowardsTarget;

import net.minecraft.entity.ai.EntityAINearestAttackableTarget;

import net.minecraft.entity.ai.EntityAIPanic;

import net.minecraft.entity.ai.EntityAISwimming;

import net.minecraft.entity.ai.EntityAITempt;

import net.minecraft.entity.ai.EntityAIWander;

import net.minecraft.entity.monster.EntityMob;

import net.minecraft.entity.monster.IMob;

import net.minecraft.entity.passive.EntityAnimal;

import net.minecraft.entity.passive.EntityOcelot;

import net.minecraft.entity.passive.EntityTameable;

import net.minecraft.entity.player.EntityPlayer;

import net.minecraft.entity.projectile.EntityArrow;

import net.minecraft.entity.ai.EntityAIFollowOwner;

import net.minecraft.entity.boss.IBossDisplayData;

import net.minecraft.init.Items;

import net.minecraft.item.Item;

import net.minecraft.item.ItemStack;

import net.minecraft.util.DamageSource;

import net.minecraft.world.World;

 

import com.fandomcraft.main.Main;

 

import cpw.mods.fml.common.registry.EntityRegistry;

import cpw.mods.fml.relauncher.Side;

import cpw.mods.fml.relauncher.SideOnly;

 

public class EntityChaosBoss extends EntityMob implements IBossDisplayData

{

    private int attackTimer;

private EntityAITempt aiTempt;

    protected void fall(float p_70069_1_) {}

   

    private static final IEntitySelector attackEntitySelector = new IEntitySelector()

    {

        public boolean isEntityApplicable(Entity p_82704_1_)

        {

            return p_82704_1_ instanceof EntityLivingBase && ((EntityLivingBase)p_82704_1_).getCreatureAttribute() != EnumCreatureAttribute.UNDEAD;

        }

    };

 

public EntityChaosBoss(World world)

{

super(world);

this.setSize(1F, 5F);

        this.getNavigator().setAvoidsWater(true);

this.tasks.addTask(0, new EntityAIWander(this, 0.3D));

this.tasks.addTask(1, new EntityAILookIdle(this));

        this.tasks.addTask(2, this.aiTempt = new EntityAITempt(this, 0.6D, Items.bone, true));

        this.tasks.addTask(3, new EntityAIAttackOnCollide(this, 2.0D, true));

        this.tasks.addTask(4, new EntityAIMoveTowardsTarget(this, 0.9D, 32.0F));

        this.targetTasks.addTask(0, new EntityAINearestAttackableTarget(this, EntityLiving.class, 0, false, true, IMob.mobSelector));

        this.isImmuneToFire = true;

        this.experienceValue = 100;

}

 

    protected String getHurtSound()

    {

        return "mob.wither.hurt";

    }

 

    protected String getDeathSound()

    {

        return "mob.wither.death";

    }

    protected void dropFewItems(boolean p_70628_1_, int p_70628_2_)

    {

        if (p_70628_1_)

        {

            int j = this.rand.nextInt(3 + p_70628_2_);

 

            for (int k = 0; k < j; ++k)

            {

                this.dropItem(Main.ring, 1);

            }

        }

    }

    @SideOnly(Side.CLIENT)

    public int getAttackTimer()

    {

        return this.attackTimer;

    }

    public int getTotalArmorValue()

    {

        return 4;

    }

    public boolean isArmored()

    {

        return this.getHealth() <= this.getMaxHealth() / 2.0F;

    }

   

 

    protected void collideWithEntity(Entity p_82167_1_)

    {

        if (p_82167_1_ instanceof IMob && this.getRNG().nextInt(20) == 0)

        {

            this.setAttackTarget((EntityLivingBase)p_82167_1_);

        }

 

        super.collideWithEntity(p_82167_1_);

    }

    public boolean attackEntityAsMob(Entity p_70652_1_)

    {

        this.attackTimer = 10;

        this.worldObj.setEntityState(this, (byte)4);

        boolean flag = p_70652_1_.attackEntityFrom(DamageSource.causeMobDamage(this), (float)(7 + this.rand.nextInt(15)));

 

        if (flag)

        {

            p_70652_1_.motionY += 0.4000000059604645D;

        }

 

        this.playSound("fandomcraft:attack2", 1.0F, 1.0F);

        return flag;

    }

   

    protected Item getDropItem()

    {

        return Main.ring;

    }

   

public static void mainRegistry()

{

registerEntity();

}

 

private static void registerEntity()

{

createEntity(EntityChaosBoss.class, "ChaosBoss", 0xABFFF4, 0xFF00EE);

}

 

public static void createEntity(Class entityClass, String entityName, int solidColour, int spotColour)

{

int id = EntityRegistry.findGlobalUniqueEntityId();

EntityRegistry.registerGlobalEntityID(entityClass, entityName, id);

EntityRegistry.registerModEntity(entityClass, entityName, id, Main.instance, 64, 1, true);

createEgg(id, solidColour, spotColour);

}

 

private static void createEgg(int id, int solidColour, int spotColour)

{

EntityList.entityEggs.put(Integer.valueOf(id), new EntityList.EntityEggInfo(id, solidColour, spotColour));

}

 

public boolean isAIenabled()

{

return true;

}

 

protected void applyEntityAttributes()

{

super.applyEntityAttributes();

 

this.getEntityAttribute(SharedMonsterAttributes.maxHealth).setBaseValue(800D);

this.getEntityAttribute(SharedMonsterAttributes.movementSpeed).setBaseValue(0.5D);

this.getEntityAttribute(SharedMonsterAttributes.followRange).setBaseValue(32D);

}

 

 

}

 

 

Somewhere i read that you have to add "BossStatus.setBossStatus();"

to the living update thing.

But i never tested it on my own.