Hello, Lumien.
I would like to make a fork of this mod which implements more features on top of the changes to darkness,
specifically the concept of Gloom if you are familiar with Better Than Wolves.
Yet I saw that the project lacked a specified license and therefore defaults to All Rights Reserved.

Would you be willing to use a permitting license or give permission for me to make this mod and release?

I'm not sure why you would have to make your own Version of Hardcore Darkness for this, isn't gloom just "take damage when below a certain light level" ? Couldn't you just make a standalone mod out of that?

In fact, Better With Mods does have Gloom implemented like that. It works quite well on it's own, yet it just isn't the same without having HCDarkness on top of it. I don't want to require having HCDarkness and Gloom separately and I would also like more control over how Darkness works along with Gloom.

Just my thoughts on it, up to you :)