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PS1 FF7 International LPK and NPK archives

Read or post about compression. And decompression. Or ask questions how to decompress your files.
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ponlork
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PS1 FF7 International LPK and NPK archives

Post by ponlork » Tue Aug 04, 2020 11:51 am

I followed this Russian guide on how to decompress LPK and NPK archives from Playstation 1 games, I was able to decompress the .tim files but I was wondering if there's a way to recompress it back to .LPK and .NPK for modding purposes.

Here's the guide on how to decompress. I used google translate to translate it: https://habr.com/ru/post/347382
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ikskoks
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Re: PS1 FF7 International LPK and NPK archives

Post by ikskoks » Tue Aug 04, 2020 7:53 pm

There is whole long guide about modding FF7
http://q-gears.sourceforge.net/gears.pdf

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Re: PS1 FF7 International LPK and NPK archives

Post by ponlork » Wed Aug 05, 2020 3:20 am

Thank you for the ebook. Looks like a fascinating read. I'll delve into it more thoroughly later. I believe FF7 has been mostly documented but in the Japanese international version there's a bonus 4th disc that contains these LPK and NPK archives that is more obscure and haven't really been analyzed. I tried using lzss / unlzss in ff7tools v1.3 but it couldn't decompress or recompress the archives. I finally was able to decompress it using the Russian guide but I don't know how to recompress it back to LPK.

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Re: PS1 FF7 International LPK and NPK archives

Post by ikskoks » Wed Aug 05, 2020 2:32 pm

You are very lucky, because it seems that packing function
has been added to this tool today ;)
https://github.com/Hedzin/SquareNPK-unp ... K-unpacker

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Re: PS1 FF7 International LPK and NPK archives

Post by ponlork » Wed Aug 05, 2020 5:20 pm

Ah yes I was asking the Russian author for some help and I finally got it to work. I mainly wanted to replace the menu in a PSX game that also uses LPK archives. The game is called RPG Maker and I wanted to make my own RPG with custom assets, however the lpk archives had me perplexed. but now I'm able to modify it.
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