[mudd zero]

Dropped project. Since I can read Japanese I have no need to share Sol Trigger, Final Promise Story or Criminal Girls with anybody.

[LostTemplar]

http://pastebin.com/WvGxg5Sd

C# with DotNetZipLib. Should be almost the same for all libraries that support zlib, though (if you prefer anything other than C#). I tested it on some of the text files of game you're probably referring to and I can read them just fine after decompression.

[mudd zero]

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[mudd zero]

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[Gemini]

If you're still using all C++ code, try this implementation instead:
http://code.google.com/p/ff7i/source/browse/trunk/Source/common/gzip.cpp
http://code.google.com/p/ff7i/source/browse/trunk/Source/common/gzip.h

You're gonna have to use zlib and MemStream (it's there in the same SVN folder) in order to make it work, but it's just a few sources to include in your program. You can also fix the gzip header to follow this custom signature format by changing the header structure associated (gzip.h, line 23) and the GZIP_MAGIC constant. When you're done call GzipDecode and GzipEncode to compress and decompress your data to a memory buffer.

[mudd zero]

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[LostTemplar]

You could for example use System.IO.Directory.GetFiles with the filter set to *.tpk; store the filename somewhere, inflate the file and store it under the same name with the extension replaced by .bin. With GetDirectories you can recursively process all sub-directories. Really shouldn't be that difficult. Here's an example.

[mudd zero]

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[henke37]

How nice of you to delete all useful content because you think that you are the only one who should ever hear about how the games work.</sarcasm>