public class EntityConeHead extends MultiPartEntityPart{

	private EntityNormalZombie zombie;
	
	public EntityConeHead(EntityNormalZombie zombie, String partName, float width, float height) {
		super(zombie, partName, width, height);
		this.zombie=zombie;
		this.setExist();
	}

	@Override
	public boolean attackEntityFrom(DamageSource source, float amount) {
		//System.out.println(this.world.isRemote+" "+source.damageType+" "+amount);
		return super.attackEntityFrom(source, amount);
	}
	
	public void setExist()
	{
		if(this.parent instanceof EntityZombieBase) {
			if(((EntityZombieBase) this.parent).getIsInivs()) this.setInvisible(true);
			else this.setInvisible(false);
		}
		else {
			System.out.println("error parent!");
			return ;
		}
	}
	
	public EntityZombieBase getZombie()
	{
		return this.zombie;
	}
	
	public void setBreak()
	{
		this.setSize(0f, 0f);
		this.setInvisible(true);
	}
}

public class EntityConeHeadZombie extends EntityNormalZombie implements IEntityMultiPart{

	private final EntityConeHead cone;
	
	public EntityConeHeadZombie(World worldIn) {
		super(worldIn);
		cone=new EntityConeHead(this, "cone_head", 0.5f, 1f);
	}

	@Override
	protected void applyEntityAttributes()
    {
        super.applyEntityAttributes();
        this.getEntityAttribute(SharedMonsterAttributes.MAX_HEALTH).setBaseValue(56.0D);
    }
	
	@Override
	public void onUpdate() {
		super.onUpdate();
		if(this.getHealth()<=20) {
			this.cone.setBreak();
		}
		else{
			this.cone.setLocationAndAngles(this.posX, this.posY+1.5, this.posZ, this.rotationYawHead, -this.rotationPitch);
		}
		this.world.updateEntityWithOptionalForce(this.cone, true);
	}
	
	@Override
	protected boolean canDespawn() {
		return false;
	}
	
	@Override
	public void setDead() {
		super.setDead();
		this.cone.setDead();
	}
	
	@Override
	public Entity[] getParts() {
		return new Entity[] {this.cone};
	}
	
	@Override
	public World getWorld() {
		return this.world;
	}

	@Override
	public boolean attackEntityFromPart(MultiPartEntityPart part, DamageSource source, float damage) {
		return this.attackEntityFrom(source, damage);
	}
	
	@Override
	public boolean isNonBoss() {
		return false;
	}
}

 

It's my first time to ask question at here.The problem is I am making a ConeHead Zombie by using multipartEntity ,When my peaShooter kill some ConeHead Zombie,there will exist some invisble object blocking my peaShooter's bullet.I know it may be the uncleared Cone,but I don't know how to deal with it.Pls help me ,thx !

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