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Descent 3 has been made open source

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Update #2, 21/04/24 18:06: the code is now licensed under the GPL!

Update 18/04/24 15:11: there seems to be an issue with the licensing at the moment. The MIT license was not meant to be up on it, as this was apparently the default GitHub put on it. That license has now been removed, and so there's now no license on it. Hopefully this will be sorted soon so it can be clear for anyone who wishes to contribute.


Original article below:

Another classic has been given the open source treatment, with Descent 3 from Outrage Entertainment now available under the MIT license. This release was put up on GitHub by Kevin Bentley, one of the original developers.

It has a bit of an interesting history as it was originally ported to Linux way back in 2000 from Loki Entertainment, which didn't age particularly well. Then much later in 2020 developer Ryan "Icculus" Gordon did a re-port with various upgrades.

From the GitHub:

This is the latest version of the Descent 3 source code. This includes the '1.5' patch that Jeff Slutter and Kevin Bentley wrote several years ago. At the time, it worked for Windows, Linux, and Mac.

Some proprietary sound and video libraries from Interplay have been stripped out (the ACM and MVE format). I have that code if someone wants to help make a converter so the old cutscenes work. It'll take some effort to stub out that code so it compiles.

The first thing I want to do is get everything compiling again, and ideally some CI/CD actions. After that, the code needs to be cleaned up some, to remove old version control comments, etc. A lot of this code was written by a really great team, but keep in mind we were much younger and less experienced back then.

If you're interested in helping maintain it, please send me a message. Otherwise, I'm happy to take pull requests.

This is the last update I put out there showing different architectures playing along. Yikes, that was a long time ago, sorry we never released a 1.5 patch. Some logistics got in the way!

Thanks to Jeff Slutter, who did most of the work modernizing the code from the 90's. I'm looking forward to seeing what the community does with it!

Article taken from GamingOnLinux.com.
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25 comments
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Hamish Apr 16
I have been meaning to get to the Descent games for my Retro Linux Gaming Computer articles one of these years.

I guess this will make covering the Loki port even less special, but in the best way possible.
Geppeto35 Apr 16
Nice news and game! Part of my gaming as a teenager

I'm also looking forward to seeing what the community does with it!
If I have some time left this week, I will read deep into the code.
Gamall Apr 16
Quoting: GuestDon't mean to be rude, but only Decent3? What about 2 and 1!?! I can't play them out of order!!!

They already have fantastic open-source ports.

https://www.descent2.de/
https://www.dxx-rebirth.com/
elmapul Apr 16
this was like, my first PC game ever!
im not even kidding, it was not my first gaming system since i had an n64, but when i saw the graphics i was stunned.

anyway i never finished it =p
d10sfan Apr 16
Very nice! I'll look into the possibility of integrating it with luxtorpeda - https://github.com/luxtorpeda-dev/packages/issues/1188
melkemind Apr 16
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Quoting: elmapulthis was like, my first PC game ever!
im not even kidding, it was not my first gaming system since i had an n64, but when i saw the graphics i was stunned.

anyway i never finished it =p

Yeah, this game came free with my Voodoo graphics card, and I loved it.
whizse Apr 16
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Quoting: GuestI think those are game engine remasters, while this one is the actual game. I could be mistaken though.
They are based on the original source code release (not FLOSS sadly):
https://www.gamespot.com/articles/descent-source-code-released/1100-2462520/
Gamall Apr 16
Quoting: GuestI think those are game engine remasters, while this one is the actual game. I could be mistaken though.
They're remasters in the sense that they are based on the actual, original source code for D1 and D2, which were released long ago (1997 for D1).

So now all Descent games are open-source.
whizse Apr 16
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Interesting conversation here with icculus trying to figure out if he can release the source for the modern Linux port:

"Okay, I'll email Hervé later today and see if he'll let me release my changes. It couldn't hurt to ask, right?"

From https://github.com/kevinbentley/Descent3/issues/9

Fingers crossed 🤞


Last edited by whizse on 16 April 2024 at 5:08 pm UTC
Hamish Apr 16
Quoting: GuestNot really Decent, rebirth doesn't come with the game data. You have to buy it yourself, so does Descent2.de. It looks that this one is too.
So the exact same situation as with Doom or Heretic. The bespoke license used here is tricky, but the same was true for Doom and Heretic initally too, before id and Raven smartened up and adopted the GPL instead. Just a vistege of the code coming out so early on.

Quoting: GuestIt's not really open source, in my opinion, because while the engine is now open sourced, the game data is not. I think it's kind of disingenuous to call it an open source game when the game in entirely isn't open source. Just the game engine.
Well, it is certainly not free media; I could muddy the waters and say any software not created through the open source development model is not "open source" too, but at a certain point that is just arguing semantics.
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