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Author Topic: XCOM 2: WotC DLC/Photobooth  (Read 2303 times)
R3V01T!
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XCOM 2: WotC DLC/Photobooth
« on: August 16, 2017, 02:21 »

I didn't want to necro an old thread, so I started a new one. The Propaganda Center (photobooth) was released today, and from peering in the files, it looks like a stripped down version of WotC.

http://store.steampowered.com/app/433050/

It seems like WotC/Photobooth might be using different compression than its vanilla counterpart, because when I ran Umodel and tried to open a package, I get this error:
Code:
appDecompress: unknown compression flags: 8
appDecompress:CompSize=19377 UncompSize=55257 Flags=0x8 <- DecompressBlock:block=101+4BB1 <- FUE3ArchiveReader::PrepareBuffer <- FUE3ArchiveReader::Serialize <- FArchive::ByteOrderSerialize <- FString<< <- Name:0 <- UnPackage::LoadNameTable <- UnPackage::UnPackage:CookedPCConsole/Prop_FaceLower1_SF.upk, ver=845/120, game=ue3 <- UnPackage::LoadPackage:CookedPCConsole/Prop_FaceLower1_SF.upk <- CUmodelApp::ShowPackageUI <- Main:umodel_version=612

I think Unreal Package Decompressor doesn't work as well (someone tried it on XComGame.upk, didn't decompress).

The link below has the 64-bit binary, XComGame.upk, and several other upks that I randomly picked:
http://www.mediafire.com/file/a8xd3cthrddj5h3/XCOM2-PropagandaCenter.7z

EDIT: Also ran umodel via CMD: umodel -export -game=xcom2 ../XComGame.upk
This is the error that it produces:
Code:
ERROR: Unable to serialize 1 bytes at pos=0x633868
FFileReader::Serialize:File=XComGame.upk <- FArchive::ByteOrderSerialize <- SerializePackageFileSummary3 <- FPackageFileSummary<<:Ver=0/32 <- UnPackage::UnPackage:XComGame.upk, ver=0/32, game=xcom2 <- UnPackage::LoadPackage:XComGame.upk <- Main:umodel_version=612
« Last Edit: August 16, 2017, 02:32 by R3V01T! » Logged
Gildor
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Re: XCOM 2: WotC DLC/Photobooth
« Reply #1 on: August 16, 2017, 13:06 »

Try setting game to XCOM2.
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R3V01T!
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Re: XCOM 2: WotC DLC/Photobooth
« Reply #2 on: August 16, 2017, 13:21 »

No effect. I get the appDecompress: unknown compression flags: 8 error with Umodel 612.
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Gildor
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Re: XCOM 2: WotC DLC/Photobooth
« Reply #3 on: August 17, 2017, 20:13 »

Ok, they probably using some encryption then, or some custom package compression (less likely).
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