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Main - ROM Hacking - Inserting spritesheets into Roms New thread | New reply


Nintendude88
Posted on 10-27-09 08:14 PM Link | Quote | ID: 118043


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Hi all,

Is there a way I can add sprites from a spritesheet into a rom?
I think there's a program that can do that but I can't remeber what it is? Could it be done by using YY-CHR?

I wanted to do this for a SMB3 hack that I might be working on.

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DahrkDaiz
Posted on 10-27-09 08:48 PM Link | Quote | ID: 118044


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It depends. You can use a program such as YY-Chr to edit the graphics of an NES game, but directly injecting graphics from one program to another does not quite work that easy. You have to modify the palettes of the game (SMB3) to match similar colors and those colors are not part of the graphics data. Each pixel for an NES game set of graphics can hold 1 of 4 values (00, 01, 10, 11). So obviously taking graphics from a different system that has a different format would require some translation on your part.

So there is no direct sprite sheet injector, no. You need to use a generic NES graphics editor (such as YY-Chr, Tile Molester, etc) to do this yourself. You can copy graphics of one NES game to another quite easily, however.

Kawa
Posted on 10-27-09 09:02 PM Link | Quote | ID: 118045


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I think Tile Molester has a rough conversion thing going, where if you try to insert, say, sixteen-color images into a NES rom, it'll try to fit it into those four colors. Quality is a problem, ofcourse.

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Main - ROM Hacking - Inserting spritesheets into Roms New thread | New reply

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