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Main - Misc. ROM hacking - jrsplit, a SMBJR ROM splitting utility. Hide post layouts | New reply


Yoshimaster96
Posted on 03-29-16 09:31 PM (rev. 2 of 04-01-16 07:15 PM) Link | #69216
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What this program does is extracts various important components of the game. Currently this includes levels, sequences, instruments, textures and sprites. Planned features include sound effects and backgrounds.

Download here: https://www.dropbox.com/s/kr0tt0fvy99j9x5/nujrsplit.zip?dl=0

Edited link for new utility.

My Youtube Channel:
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Some layout tips/code!

-Yoshimaster96

gridatttack
Posted on 03-29-16 10:13 PM Link | #69219

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Nice to see progress on the game!

I wonder, how close is a level editor/importer/whatever close to be?

SMBJR would be a nice start to mod the series, since it focuses on making simple yet effective levels.

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Yoshimaster96
Posted on 03-30-16 01:40 AM Link | #69228
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Posted by gridatttack
Nice to see progress on the game!

I wonder, how close is a level editor/importer/whatever close to be?

SMBJR would be a nice start to mod the series, since it focuses on making simple yet effective levels.


I can't make an importer because the game uses procedural geometry generated from heightmapped tiles, also due to this I don't know how an editor would look... I can make a basic 3D rendering engine if need be, I know how to rasterize triangles (a lost art I might add).

Also I agree, it would not only be easy to mod but would run on the computer, Dolphin requires uber modern hardware, VBA is uber fast.

My Youtube Channel:
Yoshimaster96smwc
Some layout tips/code!

-Yoshimaster96

gridatttack
Posted on 03-30-16 08:39 AM Link | #69235

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Posted by Yoshimaster96
I can't make an importer because the game uses procedural geometry generated from heightmapped tiles, also due to this I don't know how an editor would look... I can make a basic 3D rendering engine if need be, I know how to rasterize triangles (a lost art I might add).

Also I agree, it would not only be easy to mod but would run on the computer, Dolphin requires uber modern hardware, VBA is uber fast.


I see... Well, if I understood correctly, the vertexes are defined with coordinates and the the game renders them? If so, then yeah, the editor would need to render them, but I wouldn't mind going the old way and just seeing the numbers.

Oh and I dunno about that. I have a wii with homebrew and Nintendont, so testing would be easy and awesome, since I would be playing it drectly.

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Yoshimaster96
Posted on 03-30-16 11:58 AM Link | #69242
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Posted by gridatttack
I see... Well, if I understood correctly, the vertexes are defined with coordinates and the the game renders them? If so, then yeah, the editor would need to render them, but I wouldn't mind going the old way and just seeing the numbers.

Oh and I dunno about that. I have a wii with homebrew and Nintendont, so testing would be easy and awesome, since I would be playing it drectly.


I could do numbers easily, I'd have to include documentation though. Also, they're compressed, and I can't find the offsets, so there is a size limit.

My Youtube Channel:
Yoshimaster96smwc
Some layout tips/code!

-Yoshimaster96

Yoshimaster96
(post deleted) #69252

Yoshimaster96
(post deleted) #69306

Yoshimaster96
(post deleted) #69447

Yoshimaster96
Posted on 04-05-16 07:41 PM Link | #69448
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(SORRY ABOUT SO MANY POSTS!)

30 MAR 2016:
Documented the file format finally! https://www.dropbox.com/s/8vbbtu55lhz32dr/jrlvlfrmt.txt?dl=0

1 APR 2016:
GUESS WHAT I FOUND!

ThE tAbLe Of OfFsEtS!



No more external files!

[EDIT] Changed original URL.

4 APR 2016:
I found out that I can expand the size of the ROM and change the pointers, then insert custom data at the pointer location to avoid overwriting existing data.

My Youtube Channel:
Yoshimaster96smwc
Some layout tips/code!

-Yoshimaster96

Yoshimaster96
Posted on 04-26-16 07:48 PM Link | #70029
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Screenshots of my upcoming demo hack:

[thumbnail]
[thumbnail]

My Youtube Channel:
Yoshimaster96smwc
Some layout tips/code!

-Yoshimaster96

gridatttack
Posted on 04-26-16 07:52 PM Link | #70031

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Nice!

I wonder, will (or is there is) a tutorial on hwo to make custom stages?

Even if SMBJR is limited, I am still willing to do a full hack.

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Yoshimaster96
Posted on 04-26-16 08:57 PM Link | #70032
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Posted by gridatttack
Nice!

I wonder, will (or is there is) a tutorial on hwo to make custom stages?

Even if SMBJR is limited, I am still willing to do a full hack.


Not currently, mostly requires hex editing ATM, and the binary for each stage was hand made.

My Youtube Channel:
Yoshimaster96smwc
Some layout tips/code!

-Yoshimaster96

Jesse
Posted on 04-30-16 09:28 AM Link | #70154
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Last view: 2510 days ago 		I recommend you make an editor. This will make editing quite more easier.

Yoshimaster96
Posted on 04-30-16 05:33 PM Link | #70174
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Posted by Jesse
I recommend you make an editor. This will make editing quite more easier.


IDK how to make a good editor with the level format...

My Youtube Channel:
Yoshimaster96smwc
Some layout tips/code!

-Yoshimaster96


Main - Misc. ROM hacking - jrsplit, a SMBJR ROM splitting utility. Hide post layouts | New reply

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