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  • "Frankelstner" started this thread

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Thursday, September 27th 2012, 7:18pm

BF3 File Tweaker

This thread is only about the tool itself: With this tool you can tweak weapons easily and make controlled tests: ---removed again---

It does not support DLC archives. Post your findings over here: Documentation of the keywords


Requires .NET 4.5.

Instructions:
1) Either create a new cat or open the existing cas.cat. Note that the cat in the Update folder overwrites most of the original entries so it is highly recommended to look there first. Also note that DLC uses sbtoc archives and is affected only peripherally (it might be not affected at all).
2) Modify any value written in bold.
3) Save and activate the cat.

The tool will not write into the original assets (the cas archives) but instead create new cas archives in the range 50-99. It will make a copy of the original file to be tweaked in the new cas archive and apply changes there. The game uses a cat file containing the file hash, offset, size and archive number for each entry. I just tell the cat that the asset to look for (via hash) is not in archive 1-10 but instead in archive 50 so the cat file has to be overwritten to make any changes. However, the tool will make a backup of the cat. Also, the information contained is purely redundant as the cas archives themself have all the information to create a cat file from scratch (the tool is capable of that too if you delete all cats).

To unmod the game just select the appropriate "Restore Cat". You can add a new cat in case you don't want to lose all changes when reverting to the unmodded game. Also, if you directly change cas.cat, change a few things so a new cas archive is created and then restore the cat, that cas archive has just become useless. If you keep doing that you might end up with lots of cas archives that are not used anymore so you will probably want to manually delete them. I recommend making a new cat instead of tweaking cas.cat. Basically you alter the new cat when making tweaks and when you press "Activate" the new cat will be copied to cas.cat.

This post has been edited 8 times, last edit by "Frankelstner" (Oct 2nd 2012, 5:59pm)


Sym

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Thursday, September 27th 2012, 7:19pm

Looks like it works online too at the moment, so I have informed EA about this and am now directly in contact with DICE to solve this as quick as possible.

This tool is meant for analysis purposes only, not to be abused online!
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This post has been edited 5 times, last edit by "Sym" (Sep 27th 2012, 9:59pm) with the following reason: Bleh


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Thursday, September 27th 2012, 7:19pm

Might be very interesting for recoil analysis...
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Thursday, September 27th 2012, 7:23pm

If some of our super-members come to get their hands on it, then we can do some testing before sending the report to DICE, even though it seems to be illegal...

Well, this file tweaker has a great potential, but I don't know if we should use it even for the sake of balance...
Ded.

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Thursday, September 27th 2012, 7:27pm

Oh god, please remove the download link here.
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Thursday, September 27th 2012, 7:31pm

I'd like to keep the possibility of editing files, but obviously punk buster should kick for that. I think keeping the possibility to test some modified files on empty unranked non Pb servers would be very valuable.
[Aristocrat's Shoes]
TLDR -
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  • "Frankelstner" started this thread

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Thursday, September 27th 2012, 7:36pm

I'd like to keep the possibility of editing files, but obviously punk buster should kick for that. I think keeping the possibility to test some modified files on empty unranked non Pb servers would be very valuable.


Agreed.

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Thursday, September 27th 2012, 7:39pm

Interesting.
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Thursday, September 27th 2012, 7:40pm

I really think this is a "get you a job at Dice" sort of thing.

But they of course ask you to go to them directly, as opposed to publishing it on your own. What are your thoughts?
My father used to say, We find our true friends on the Battlefield! - J0hn Snow


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Thursday, September 27th 2012, 7:41pm

Will DICE be able to counter this quickly? I hope we don't have to deal with people using modified damage and various advantages for several months.