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Old 26-05-2020, 00:15
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SRTTR Precompression Tool

I just got Saints Row The Third Remastered and instead of playing the game like a normal person would, I wanted to find out what compression method is used in the game by checking the game executable and to my surprise, I found traces of lz4 functions being used so I checked the vpp_pc files to see if precompression was possible and yes it was.

So I made the tool to use, enjoy

My test results on the vpp_pc files only:
Code:
Compressed 44 files, 48,891,349,439 => 73,898,969,645 bytes. Ratio 151.15%
Compression time: cpu 63.91 sec/real 1495.70 sec = 4%. Speed 32.69 mB/s
PS. Not all vpp_pc files contain lz4, maybe I missed a few streams but just don't expect to save a lot of GBs because lz4 is also a weak compression algorithm. (Compression not tested)

I'm off to playing the game so cheers.
Attached Files
File Type: 7z vpprec_R1.7z (1.01 MB, 192 views)

Last edited by Razor12911; 26-05-2020 at 00:19.
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  #2  
Old 26-05-2020, 01:22
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Quote:
Originally Posted by Razor12911 View Post
like a normal person
I've always known you are not 'normal' you are 'special'
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Can't find a Game Conversion? Check the 'Conversion INDEX'
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Old 26-05-2020, 03:25
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misc.vpp_pc
Quote:
FreeArc 0.67 (March 15 2014) creating archive: data.arc
Compressed 1 file, 112,949,978 => 382,991,702 bytes. Ratio 339.08%
Compression time: cpu 0.13 sec/real 17.24 sec = 1%. Speed 6.55 mB/s
All OK
Quote:
FreeArc 0.67 (March 15 2014) extracting archive: data.arc
Extracted 1 file, 382,991,702 => 112,949,978 bytes. Ratio 339.08%
Extraction time: cpu 0.31 sec/real 12.24 sec = 3%. Speed 9.23 mB/s
All OK
Thanks!!
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Old 26-05-2020, 05:28
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Tested on 10GB sample of game data, very good results.
Code:
Compressed 37 files, 10,762,908,122 => 16,672,205,140 bytes. Ratio 154.90%
Compression time: cpu 10.36 sec/real 470.71 sec = 2%. Speed 22.87 mB/s
All OK
Update: unpacking works

Last edited by Masquerade; 22-05-2021 at 14:39.
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