Test1

    public boolean hitEntity(ItemStack stack, EntityLivingBase attackedLiving, EntityLivingBase attackerLiving)
    {
        if(!stack.hasTagCompound())
        {
            stack.setTagCompound(new NBTTagCompound());
        }

        IEntitySelector filter;
        if(stack.getTagCompound().getByte("Mode") == 0)
        {
            return super.hitEntity(stack, attackedLiving, attackerLiving);
        }
        else
        {
            filter = new IEntitySelector()
            {
                @Override
                public boolean isEntityApplicable(Entity entity)
                {
                    if(entity instanceof EntityLivingBase)
                    {
                        return true;
                    }
                    return false;
                }
            };
        }
        List entityTargetList = attackedLiving.worldObj.selectEntitiesWithinAABB(EntityLivingBase.class, attackedLiving.boundingBox.expand(1.0D, 1.0D, 1.0D), filter);
        for(Object entity : entityTargetList)
        {
            EntityLivingBase living = (EntityLivingBase)entity;
            living.setFire(4);
        }
        return super.hitEntity(stack, attackedLiving, attackerLiving);
    }