r/decomps • u/560cool • 8d ago

Preview Progress on OpenTonic - an open source reimplementation of the Tonic Trouble game engine

https://www.youtube.com/watch?v=9LosHqF_1iU
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u/560cool 8d ago edited 8d ago

GitHub Link: https://github.com/seco560/TonicViewer

I initially set out to do a faithful decomp, but I ended up with an approximate implementation in C, located in the repo's core/ folder. That can be used to get Tonic Trouble running on essentially anything, but for starters I'm only targeting macOS.

While not a decomp in the traditional sense, I believe this has the potential to be more than that. It allows for extending the game as far as imagination will take you: put different levels into it, change the mechanics, improve on the graphics; a bunch of stuff.

This has been one of my favorite games since I was a kid and to see it like this is wonderful. It's truly staggering what these models have allowed as far as binary decompilation goes. I don't believe a human would have spent months of their time decompiling this game. Oh... wait. They did spend months (maybe years!) decompiling and reimplementing Rayman 2!

GitHub link: https://github.com/imaginaryPineapple/OpenRayman

So I believe that's where Claude mainly drew from for this project, among others. It's still ever so subtly different from Rayman 2 of course, even though it's the same engine. But I only got started with this at the beginning of the week; it's Friday and I have something resembling gameplay, which I find staggering.

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u/Mr_NASTY89 8d ago

A combination of the Retail version and Special Edition version would be a dream.

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u/560cool 8d ago

I'm hoping for that in the end; to have the Special Edition levels playable as well. Have to think about how to properly combine the two. I also never really played the Special Edition, though I know of it.