Quote - "I used a plugin to rename them.."

And which ones did you rename, and to what? Losing me here.

 

I renamed the ones that look like things you've never seen before.

Please don't be confused by the labels. Everybody thinks the label tells you what kind of node it is. It only does that by default, but I can change the label to something more meaningful.

You should not be worried about what the nodes are. Just load the shader, and fill in the values that I have labelled as such.

The shader needs to know the Shadow color - put that in the node called Shadow Color.

You don't need to know that it is actually a Simple_Color node. You need to know what it is for. That is how I've labelled them.

If you were going to try to build this yourself, you would need to know what types of nodes to add, but I really don't think you want to try to build this yourself, or try to change it. I haven't explained any of the math. Every time I try to explain the math, I get responses like "my head just exploded" or "this is too complicated for me to use - I'll pass". This is not complicated at all TO USE. 

It is WAY complicated to build, but I've already built it.

Just use it. Follow the instructions step by step. You will end up with perfect shadows.

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Renderosity forum reply notifications are wonky. If I read a follow-up in a thread, but I don't myself reply, then notifications no longer happen AT ALL on that thread. So if I seem to be ignoring a question, that's why. (Updated September 23, 2019)