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Jul - General Game/ROM Hacking - MKDD Hacking? New poll - New thread - New reply
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Termingamer2-JD
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From: Lost

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Posted on 08-05-15 07:13:50 AM Link | Quote
No one has bothered to tackle MKDD hacking yet... probably because MKDD was the best MK game made in the history of Mario Kart.

Still if we do an MKDD Hack, that would be awesome.
It might be similar to Wii Hacking, however I am not sure.

Also, just to ask, if this gets going, I might make a MKDD hack forum. But I wouldn't have a bother the paid host or even to contribute to any hacks, I would just be the board moderator.

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From: Isle Delfino

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Posted on 08-10-15 02:41:45 AM Link | Quote
If I'm not mistaken, Double Dash uses the same model format as Super Mario Galaxy, and I know there's decent tools for that game, so that could be a start.

Double Dash is one of my favorites, so I'd love to see something like, say, MK7 tracks ported into the game.

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Termingamer2-JD
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From: Lost

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Posted on 08-10-15 11:54:26 AM Link | Quote
Originally posted by Peardian
If I'm not mistaken, Double Dash uses the same model format as Super Mario Galaxy, and I know there's decent tools for that game, so that could be a start.

Double Dash is one of my favorites, so I'd love to see something like, say, MK7 tracks ported into the game.

I think the betrayal of Nintendo will come, if you hate MKDD.

That's a start to our ways. I can see your point, since the graphics between both games do seem similar but I don't have a way of looking into the code, even then I would not understand.


(if this gets enough interest I will make a site, but I won't be doing any hacking myself unfortunately)

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Posted on 12-10-16 10:29:40 AM (last edited by Rena at 12-10-16 10:30:37 AM) Link | Quote
Post #5222 · Sat, 2016 Dec 10, 07:29:40
I took a bit of a peek at Double Dash. It probably wouldn't be terribly difficult to tear open, but I don't really have the time for it.

The devs were so kind as to include a .map file listing all of the function/variable names and a call graph! Unfortunately it seems to be for an older build. I've been working on a script that can try to match it up to the final version based on the order/size/call-graph of the listed symbols, but it's a pain. (CodeWarrior's name mangling is a right blue-shell to reverse!)

Compared to the final build, almost every section is smaller in the map file, but curiously .text (where nearly all the actual code lives) is much bigger. That suggests it might have contained a lot of extra debugging stuff that's been removed from the final build.

Apparently there's a demo disc out there, which also has a map file, that would be worth looking at.

There does appear to be some type of debug mode left: Setting RAM address 0x803CB3F0 to 1 before actually starting the game (Dolphin has a "start paused" feature when in debug mode) activates something, but in Dolphin it only seems to crash the game. This variable is labelled "debug_bba" (not sure if that label comes from Dolphin or the .map file). It's referenced by functions that have TRK in their names. Someone with a Gamecube, BBA, Action Replay and Double Dash should try to patch that in and see if it does anything more interesting...

Also, some of Dolphin's included cheats I haven't played with:

Draw Debug Process Bar [Ralf]
48000000 803CAD28
DE000000 80008180
1000010C 00000001
10000130 00000001
E0000000 80008000

Debug Camera Mode On/Off (Press DPad Up/Down) [Ralf]
283A4D6C FFFB0004
04361280 8029F1E4
E2000001 80008000
283A4D6C FFF70008
04361280 8029F248
E2000001 80008000
*The debug camera can be controlled with a second controller plugged into port 2.
*B/A = Zoom In/Out
*Y/X = Move Up/Down
*L/R = Rotate Left/Right
*A-Stick Up/Down = Look Up/Down
*DPad Up/Down = Move Forward/Backward
*DPad Left/Right = Strafe Left/Right

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Posted on 05-06-17 08:10:27 AM Link | Quote
There's level editor of MKDD.

https://github.com/Reanyboi/DouBOL-Dash
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Jul - General Game/ROM Hacking - MKDD Hacking? New poll - New thread - New reply


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