GCN Let's Hack... Super Monkey Ball!

[Yoshimaster96]

I've been working on decoding the level format used in Super Monkey Ball, and have gotten pretty far. Here are some screenshots:

I still have a ways to go, however. If anyone would like to join the quest, it'd speed up the process. Soon we'll be able to make custom levels!

 

[Heran Bago]

That's super cool.

 

[cearp]

custom super monkey ball would be really fun

 

[Yoshimaster96]

Unfortunately, custom levels still have a ways to go, the biggest obstacle being the collision.

This is the test level collision, which is a 10x10 square, centered at the origin.

I found that there are encryption values involved, that are in float. They are the first 4 values in the following list:

-6.05
-6.05
0.76
0.76

-5
0
-5
0
1
0
-2.01
-2.01
10
0
10
10
-1
0
0.71
-0.71

-5
0
-5
0
1
0
-2.01
-37181718523570814976
14.14
0
14.14
14.14
-0.71
-0.71
0.71
-0.71

The corresponding hex values are as follows.

C0C1999A
C0C1999A
3F41999A
3F41999A

C0A00000
00000000
C0A00000
00000000
3F800000
00000000
C0010000
C0010000
41200000
B58637BD
41200001
411FFFFF
BF800000
00000000
3F3504F7
BF3504F7

C0A00000
00000000
C0A00000
00000000
3F800000
00000000
C0010000
E0010000
4162462F
B58637BD
40E24630
40E2462E
BF3504F7
BF3504F7
3F3504F7
BF3504F7

Also, this site may be useful:
http://gregstoll.dyndns.org/~gregstoll/floattohex/

Me and Rena have established that the first three values are a coordinate, the next three, a normal. Hope someone can figure it out!

 

[the_randomizer]

It's good to see Gamecube game hacks, not too many of them exist

 

[DinohScene]

Looks sweet.
I like super monkey ball c:

 

[cearp]

is this super monkey ball 1 or 2? any reason why not 2 if it's 1? (hopefully the levels are the same anyway)
i played the ds version, a nice challenge! plus the ngage version... but that was a long long long time ago...

 

[Yoshimaster96]

The gma and tpl files ae the same, but the lz files differ from 1 to 2 (to accommodate the increase in objects, such as seesaws, wormholes, and buttons). Also, I'm really stumped in the collision, maybe someone could try to decipher it? SEGA encrypted it real good.

 

[Jayro]

Do the Wii version.

 

[Yoshimaster96]

Do the Wii version.

I don't think I'll be doing that version, sorry.

IN NEED OF RECRUITS:

obj/mtl to gma/tpl converter
lz decoding/decrypting

If you would like to apply, let me know.

 

[Yoshimaster96]

Nobody? Well that's a shame. I guess we won't be able to hack this game after all.

I really need help, can't do it alone.

 

[cearp]

Nobody? Well that's a shame. I guess we won't be able to hack this game after all.

I really need help, can't do it alone.

i don't think gbatemp is the best place for things like this, there are game hacking specific forums right?
this is mostly just about piracy, not about decrypting things, i forget what forums are good, but i have come across some nice ones before good luck
and still, sure people here could help, but not the majority of people

 

[Yoshimaster96]

i don't think gbatemp is the best place for things like this, there are game hacking specific forums right?
this is mostly just about piracy, not about decrypting things, i forget what forums are good, but i have come across some nice ones before good luck
and still, sure people here could help, but not the majority of people

Listen, I'm no pirate, and I never plan to be one. But do you know of anyone in particular who'd be good at decoding stuff?

 

[cearp]

Listen, I'm no pirate, and I never plan to be one. But do you know of anyone in particular who'd be good at decoding stuff?

hey, nothing wrong with being a pirate
i don't really know people like that here, really, but if i were personally going to do some hacking i would do it in a more hacking orientated place
http://www.romhacking.net/forum/ - but don't think i'm trying to get rid of you!! no not at all, i just want you to find people that can help you, and i would expect there are more of them there, than there are here

i hope someone else posts something to give you more info

 

[Coto]

Listen, I'm no pirate, and I never plan to be one. But do you know of anyone in particular who'd be good at decoding stuff?

you may want to ask in ASSEMblergames forums!

 

[cearp]

also this is a great site, but maybe you have to pay to register?? (i might be completely wrong about that, i just have a small feeling)
http://www.xentax.com

 

[Yoshimaster96]

I already have an account at RHDN (not to mention SMWCentral, Acmlm.Kafuka, and JUL, and SonicRetro, but I'm having trouble with their validation...). So yeah, I'm a member of several hacking sites, but my threads there see little activity. And yes, you have to pay to post in the XeNTaX forums.

 

[cearp]

smwcentral... wow, that brings back memories :o

 

[Yoshimaster96]

smwcentral... wow, that brings back memories :o

Really? You used to be/still are a member? If you still are, I'll have to talk to you sometime!

 

[cearp]

haha well, i think i actually checked a few years ago and i think my account was deleted for inactivity, i joined like 6 or 7 years ago, i had really good fun with lunar magic, i was recreating green hill zone act 1, i maybe look at the site every 2 years. i'm a programmer, but, i've never done any reverse engineering at all, i'm sure there is nothing i could teach you about any of this stuff