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akintos, posted Sat Sep 01, 2018 4:40 pm (38023)

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I almost finished writing parser for locres files. the only missing part is the hash function used to hash strings.

Hash of (God Dammit!.)

Code:

47 6F 64 20 44 61 6D 6D 69 74 21 00

is

Code:

07 A8 93 3E

I think it might be CityHash? The Unreal Engine core API has it https://api.unrealengine.com/INT/API/Runtime/Core/Hash/index.html

aluigi, posted Sun Sep 02, 2018 1:35 am (38039)

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If you are interested in "brute forcing" many hash/crc algorithms for finding the expected one, I suggest you this script for quickbms:
http://aluigi.org/bms/crc_scan.bms

Usage example:
Create a new file containing the string, in this case "God Dammit!" without the final NULL byte I guess since that's never hashed (but feel free to make a second scanning with it too).
My suggestion is to check ever the file with a hex editor for being 100% sure that it contains the correct string without unexpected line feeds or utf16/bom (expect if they are necessary) and so on.

Then run: quickbms.exe crc_scan.bms string.txt > output.txt

Open output.txt with a text editor and search for the expected crc like 07A8933E
Don't worry the output will contain the crc in both endianesses so you can't be wrong

This is just a generic usage and is not referred to this specific case.

akintos, posted Mon Sep 03, 2018 9:36 am (38076)

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Found String CRC32 code from UE4 core source code.

C code : https://pastebin.com/0F2ShREL
Python implementation : https://pastebin.com/gVkmcDG9

Delutto, posted Mon Sep 03, 2018 8:06 pm (38088)

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akintos wrote:

Found String CRC32 code from UE4 core source code.
C code : https://pastebin.com/0F2ShREL
Python implementation : https://pastebin.com/gVkmcDG9

Your goal is make a locres file for a game that don't have it?

ghylard, posted Mon Sep 03, 2018 9:10 pm (38092)

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makc_ar provided me with a locres file for the game Xing The land beyond which has no locres file.
Unfortunately, due to insufficient information on my part and especially to a significant update of the game, it lacks a lot of text.
Having a tool available to create a locres file or update it would be really great!