Woah, this is pretty rad! This seems to just... work somehow?
Great job, and thanks for making this! I'll play around with it a bit more, but I'm impressed enough that I'm seriously considering donating. (I want to play around with it a bit more, but this is a huge step up from what I had before.)
What's the license, btw? I get that it might be a little bit finicky, considering that you're working with Aseprite stuff, but I like tweaking Unity extensions when I need extra features. I just wanna make sure I won't be breaking any rules, etc.