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Metal Gear Solid 2's source code has been leaked on 4chan

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Re: Metal Gear Solid 2's source code has been leaked on 4chan

#51

Post by Lammy »

0cf8612b2e1e wrote: post #28
gwern wrote: post #19

Earlier quoted context omitted.

> Clearly if it was able to be leaked it already was being preserved Preserved by whom ? Many leaks are done by old or ex-employees who quietly kept a shall we say 'backup' of their work. More than one 'official' re-release has been rumored to be an embarrassed company quietly filing the serial numbers off a rogue leak because they realized way too late that their archival practices were inadequate.

Anti-emulation Nintendo was caught repacking a pirated ROM. https://www.eurogamer.net/did-nintendo-download-a-mario-rom-...

Also how WarioWare: Smooth Moves shows their in-house developers using third-party emulators to source graphics for their first-party nostalgia bait: https://tcrf.net/WarioWare:_Smooth_Moves#Punch-Out (not said derisively; I love WarioWare!)

Re: Metal Gear Solid 2's source code has been leaked on 4chan

#52

Post by networked »

tombert wrote: post #6

Maybe with the source code, I'd be able to figure out what the hell happened in the last ~2 hours of the game.

Try the classic analyses: https://www.deltaheadtranslation.com/MGS2/ and https://www.aumaan.org/form1/tus1/features/dreaming1.htm.

Re: Metal Gear Solid 2's source code has been leaked on 4chan

#53

Post by CamperBob2 »

diath wrote: post #34
jamesu wrote: post #22

Earlier quoted context omitted.

There is no way you could recreate a convincing enough 90s era codebase of a japanese videogame + its associated tools + scripts and commented out codepaths with current ai tools.

Absolutely. This is just some delusions of a vibe coder at best. Not with just current generation of AI tools but essentially never. The conversion from C, C++, Rust or whatever, through post-processing (macros etc), through IR generation, through compile time optimizations, through link time optimizations, to the generated machine code is a one way street for low level languages. You can get a pretty close higher le…

Who cares? Who said anything about recreating the exact code? You will get usable, compilable, and surprisingly readable source code, in your language of choice, that yields the functional equivalent of the binary.

Barring obvious edge cases that could show up but don't usually, like intentional race conditions. Timing is the one area where things get iffy.

Re: Metal Gear Solid 2's source code has been leaked on 4chan

#56

Post by boricj »

tombert wrote: post #6

Maybe with the source code, I'd be able to figure out what the hell happened in the last ~2 hours of the game.

My favorite tidbit of the series (but it's in Metal Gear Solid 3): in the torture scene where Volgin interrogates Snake in an attempt to discover who is the spy in his ranks, of all the persons present in the room (and if I got everything right from memory):

- Volgin is not an agent

- Snake is an agent (USA spy)

- The Boss is a double agent (Soviet/USA spy)

- Eva is a triple agent (USA/Soviet/Chinese spy)

- Ocelot is a quadruple agent (GRU/KGB/CIA/Philosophers spy)

And of course, after that Volgin then kills Granin thinking he was the spy, but he wasn't.

Re: Metal Gear Solid 2's source code has been leaked on 4chan

#57

Post by [deleted] »

CamperBob2 wrote: post #53
diath wrote: post #34

Earlier quoted context omitted.

Absolutely. This is just some delusions of a vibe coder at best. Not with just current generation of AI tools but essentially never. The conversion from C, C++, Rust or whatever, through post-processing (macros etc), through IR generation, through compile time optimizations, through link time optimizations, to the generated machine code is a one way street for low level languages. You can get a pretty close higher le…

Who cares? Who said anything about recreating the exact code? You will get usable, compilable, and surprisingly readable source code, in your language of choice, that yields the functional equivalent of the binary. Barring obvious edge cases that could show up but don't usually, like intentional race conditions. Timing is the one area where things get iffy.

[deleted]

Re: Metal Gear Solid 2's source code has been leaked on 4chan

#58

Post by networked »

paavohtl wrote: post #48
sigmoid10 wrote: post #26

Earlier quoted context omitted.

I wouldn't be too sure about that. The original decompilations of Mario 64 and Ocarina of Time were done mostly by hand because LLMs weren't really around yet, but these kinds of projects seem perfectly suited for handing the gritty work off to AI: There is a clear output (exact binary recreation) and a straightforward path to get there (look at this assembly code and produce some C code from it). The decompilation o…

I don't think it's impossible, but it would take a lot of time and a lot of money; likely more time than good enough models have been commercially available. I have been working on an incremental decompilation-based reimplementation (basically how OpenRCT2 was done) of Worms Armageddon for the past 2 months with a lot of help from LLM tools; primarily Claude Code and Ghidra MCP. I've worked on it almost every day, re…

This is really cool! Your process is compelling, and your choice of game is excellent. I'd like to read a long blog post about your entire journey from the beginning to a working binary once you get there.

For those wondering, there is a public Git repository at https://github.com/paavohuhtala/OpenWA.

Re: Metal Gear Solid 2's source code has been leaked on 4chan

#59

Post by diath »

CamperBob2 wrote: post #53
diath wrote: post #34

Earlier quoted context omitted.

Absolutely. This is just some delusions of a vibe coder at best. Not with just current generation of AI tools but essentially never. The conversion from C, C++, Rust or whatever, through post-processing (macros etc), through IR generation, through compile time optimizations, through link time optimizations, to the generated machine code is a one way street for low level languages. You can get a pretty close higher le…

Who cares? Who said anything about recreating the exact code? You will get usable, compilable, and surprisingly readable source code, in your language of choice, that yields the functional equivalent of the binary. Barring obvious edge cases that could show up but don't usually, like intentional race conditions. Timing is the one area where things get iffy.

> Who said anything about recreating the exact code?

The person I'm replying to? Who said you will get the same code as if it were the original source?

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