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akderebur, posted Sun Apr 28, 2019 8:19 pm (47411)

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I am looking at some archive files from this online game. I will attach smaller samples, but there are also huge pkg archives. Most of them contain multiple files.

There are headers before each file with starting offset, packed/unpacked size. I don't know the compression used though. I hope someone can take a look. Thanks.

aluigi, posted Wed May 01, 2019 4:58 pm (47505)

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I guess it's a sort of modified UE4 archive.
Instead of editing the usual script I opted for a simple one:

Code:

# Conqueror's Blade pkg
comtype lz4
for
    savepos BASE_OFF
    get ZERO long
    if ZERO != 0
        break
    endif
    get DUMMY long
    get OFFSET longlong
    get SIZE longlong
    get ZSIZE longlong
    math OFFSET   BASE_OFF
    clog "" OFFSET ZSIZE SIZE
    math OFFSET   ZSIZE
    goto OFFSET
next

No filenames, the TOC is encrypted anyway.

akderebur, posted Thu May 02, 2019 2:33 am (47526)

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Thanks a lot. This should be enough for my needs.

kotaxzz1, posted Mon Jan 10, 2022 11:02 am (68969)

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Seems like they updated the package.

aluigi, posted Mon Jan 10, 2022 1:36 pm (68975)

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No idea.
The files start immediately with lz4 data and I don't see any table at the end.
Maybe the table is in a different file but I didn't see anything useful in the list of files on steamdb.