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  #1  
Old 01-08-2017, 12:58
danswano danswano is offline
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Question What is the best method to compress Unreal Engine games?

Hello,
What is the best method to compress Unreal Engine games that comes with xxx-WindowsNoEditor.pak huge files?
Thanks.
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Old 01-08-2017, 15:04
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Probably pzlib, but not always.
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Old 01-08-2017, 21:59
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(pzlib)+srep+(delta)+lzma for ratio
(pzlib)+srep+(delta)+zstd/ultra for speed
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Old 02-08-2017, 03:01
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pzlib didn't help, compressing "Downward" to 1XDVD5
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Old 02-08-2017, 07:47
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http://zenhax.com/viewtopic.php?t=1005

Extract .pak, get rid of .pak, compress game then.
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Old 02-08-2017, 07:59
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This tool is freezing in the middle of extraction, any alternative?
Tried already UnrealPak.exe from UE4 4.6 and it's giving errors, not sure if need the latest build of UE4 to extract it.
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Old 02-08-2017, 08:27
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Freezing or crashing? If freezing, disable antivirus so that it doesn't interrupt you by constantly scanning files and go get a cup of coffee or two... or ten, just don't go into heart attack.
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Old 03-08-2017, 03:21
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Finally managed to extract the pak and guess what, the compression ratio didn't improve a freaking bit!
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Old 03-08-2017, 05:00
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I'm sorry to hear that. I guess it's just that particular game and its specific assets.
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Old 03-08-2017, 07:37
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Saw someone else managed to make 1XDVD5 and even without unpacking the .pak file but he refused to say how, that what's making me chase the compression ratio for days now but i'm sure there is an extra compression algorithm other than srep and lzma.
Tried all the possible option with ztool as well and precomp still nothing and the size still above 1XDVD5.
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Old 12-12-2020, 20:44
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Smile

Quote:
Originally Posted by danswano View Post
Saw someone else managed to make 1XDVD5 and even without unpacking the .pak file but he refused to say how, that what's making me chase the compression ratio for days now but i'm sure there is an extra compression algorithm other than srep and lzma.
Tried all the possible option with ztool as well and precomp still nothing and the size still above 1XDVD5.
try this
First tar archive with zero compression
Precomp with Intense mode on and no compression
srep
Nanozip the output file with -cc
it takes time but u will get lowest size possible

as i played with arc 7z bcm abc nz and all but best ration is always arc and nz occ 7z
hope this helps
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Old 13-12-2020, 04:01
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@drsamonline
before posting always check the dates of the posts you are replying to ... the one you have replied to above is over 3 years old
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Old 13-12-2020, 04:15
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Quote:
Originally Posted by Grumpy View Post
@drsamonline
before posting always check the dates of the posts you are replying to ... the one you have replied to above is over 3 years old
oh i didnt notice that thanks for the headsup
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