So, this whole idea of mine started when I got sick of using knife tool, and I can't get a handle on knife project. I started getting the results I'm looking for by using the Boolean modifier using a plane with a thin solidify to cut into shapes but leave the remaining mesh that wasn't cut, but what bugs me a lot is how it "fills in" the cut area with some crazy faces. What I would like is modifier similar to Boolean, that uses another object to "slice" into a mesh, but not create the extra faces.
So, I'm not relatively skilled at scripting in blender, but I do have some C experience. What I was hoping someone could help me with is understanding from a programming standpoint how the Boolean modifier works, because I would like to make a custom one.
I've reviewed some online videos that show people making custom menus, but I haven't seen a custom modifier.