Sonic Mania decompilation project completed and released

RupeeClock · Aug 18, 2022

64bitmodels said:
sonic fanbase has been killing it recently
can we get an advance decomp next? i hate that gba screen crunch

I feel you on that. Decompiling the Advance trilogy and modding it to expand the screen space from that tiny 240x160 would be amazing.
That mod would be non-trivial though, you have to change a lot of the game logic so that things don't break when actors move on or off screen, or that scenes designed for a fixed screen width or height don't act strangely.
I was always hopeful that SEGA/DIMPS might do something like an Advance trilogy release for DS or 3DS, but it never came to pass.

Bladexdsl · Aug 18, 2022

64bitmodels said:
sonic fanbase has been killing it recently

that's because sega actually like their fans and who don't have to live in fear of being DMCA'd like someone else we know

Wavy · Aug 18, 2022

Bladexdsl said:
that's because sega actually like their fans and who don't have to live in fear of being DMCA'd like someone else we know

...even though Nintendo hasn't struck down any decomp projects ¯\_(ツ)_/¯

CeeDee · Aug 18, 2022

Wavy said:
...even though Nintendo hasn't struck down any decomp projects ¯\_(ツ)_/¯

I don't think they have a case against the actual code or whatever, given it's basically a recreation and not their original code. This is why most decompilation projects don't include game assets, ie. graphics and sound.
They did try and take down some stuff related to the Mario 64 decomp a couple years back, but it seems like it was likely videos and pre-compiled versions.

Sonic having a ton of fan projects just because "Nintendo DMCAs things" is a shit excuse though. Sonic has fan projects because it's Sonic. This kind of thing is just what Sonic fans do.

Really, all it takes is: just don't brag about your Nintendo fan project before releasing it! Once it's actually out, a DMCA won't stop people from spreading it, so it literally doesn't matter if Nintendo takes it down!

Wavy · Aug 18, 2022

CeeDee said:
I don't think they have a case against the actual code or whatever, given it's basically a recreation and not their original code. This is why most decompilation projects don't include game assets, ie. graphics and sound.
They did try and take down some stuff related to the Mario 64 decomp a couple years back, but it seems like it was likely videos and pre-compiled versions.

Ye, that's my point. I was referring to Nintendo not taking down the decomp projects themselves, not anything that comes from it.

Metoroid0 · Aug 18, 2022

pedro702 said:
one thing is for old games being decompiled, but this game is still selling on current consoles, i think the one who gets hurt the most is the dev sadly.

Sure, they are being hurt...right....

Lostbhoy · Aug 18, 2022

Bit of irony in all of this... Wasn't Christian Whitehead just a fan game modder/creator who got hired by Sega to make this?

Ok technically writing your own engine and decompiling aren't the same but can't help feel a circles been completed here!

ChiefReginod · Aug 19, 2022

Lostbhoy said:
Bit of irony in all of this... Wasn't Christian Whitehead just a fan game modder/creator who got hired by Sega to make this?

Ok technically writing your own engine and decompiling aren't the same but can't help feel a circles been completed here!

I'm guessing there are already mods for Sonic Mania, too. It's got to be pretty surreal for the guy. Really cool, though.

satoshi213 · Aug 19, 2022

good game

KeeperCP1 · Aug 22, 2022

How are we supposed to put the DLC in the decompilation?
Not asking for links to illegal warez, sorry.

RupeeClock · Aug 22, 2022

KeeperCP1 said:
How are we supposed to put the DLC in the decompilation?
Not asking for links to illegal warez, sorry.

The DLC is baked into the game itself, and uses a flag to determine whether or not you have and should be able to access the DLC content.
The DLC and its access key/flag isn't in the assets RSDK file.

The only way to access the DLC is to build the decompilation from source yourself, and even then there's arguably no legal way to access the DLC as there's no way to prove you have legal access to it based on local user files.

Incidentally, a small amount of the DLC content is accessible without the DLC, this is even true on console versions.
Via the Level Select cheat code (or the in-game devmenu), you can access the 7 Encore Special Stages, and the Pinball mini-game. The Encore stages and two extra playable characters remain inaccessible.

KeeperCP1 · Aug 22, 2022

Well i'm looking for playing as mighty and ray

Smoker1 · Aug 22, 2022

Save Game I found works. Search for " Sonic Mania Plus Game Save ", then should be the first Link (Banana)

Sonic Angel Knight · Aug 22, 2022

Okay, so to get the dlc to work, i need to install stuff on my pc to... what it's called? Compile the thing to make the dlc work? I wonder how many people know how to do this. Maybe a video tutorial can help the inept users, since it has to be this way.

Smoker1 · Aug 22, 2022

Sonic Angel Knight said:
Okay, so to get the dlc to work, i need to install stuff on my pc to... what it's called? Compile the thing to make the dlc work? I wonder how many people know how to do this. Maybe a video tutorial can help the inept users, since it has to be this way.

Purchase the PC Version (Steam), get the Data File needed, then find the VPK that has the DLC Enabled, and you are Set

KeeperCP1 · Aug 23, 2022

I have the dlc-enabled version on android now, but the game is unplayable because the touch controls mod disables itself like other mods, unlike the no-dlc version in which the touch controls work. (Albeit invisible)

HollowSuperHylianHedgehog · Aug 26, 2022

It would be nice to have a Linux port of Sonic Mania so we can play it on Retropie. That way we'll have all the classic sonic games from Sonic The Hedgehog all the way to Sonic Mania on the retro gaming console through Raspberry Pi.

KeeperCP1 · Aug 29, 2022

HollowSuperHylianHedgehog said:
It would be nice to have a Linux port of Sonic Mania so we can play it on Retropie. That way we'll have all the classic sonic games from Sonic The Hedgehog all the way to Sonic Mania on the retro gaming console through Raspberry Pi.

It is available in github, however you need to find a data rsdk somewhere else.

Hopalongtom · Aug 31, 2022

Is there a step by step instruction for compiling this? I can't make heads nor tails of how its all split up and the seperate split readme's not making any sense to me or telling me where to put anything.

I have Mania on the Epic games store, and I'd be running it on my Steam deck, which would be an arch linux compile.

On my attempts to look online, I've only seen step by step install guides for windows, android and the console ports.

Edit: I found a precompiled flatpack in the discover center, will play around and see if I can get that to run right.

godreborn · Sep 16, 2022

Hopalongtom said:
Is there a step by step instruction for compiling this? I can't make heads nor tails of how its all split up and the seperate split readme's not making any sense to me or telling me where to put anything.

I have Mania on the Epic games store, and I'd be running it on my Steam deck, which would be an arch linux compile.

On my attempts to look online, I've only seen step by step install guides for windows, android and the console ports.

Edit: I found a precompiled flatpack in the discover center, will play around and see if I can get that to run right.

I might be able to help if you're still interested. The only build I couldn't figure out was android. I don't really understand even the basics of compiling for android. I was able to compile sm64 for android though.

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