[PC] Mass Effect 3 DLC (sfar)

[leroyjenkins]

Rick Good job with sfar unpack! Any idea, how translate DLCs, how insert translated tlk file?

You don't need to insert translation, the DLC package already contains lot of langs like english, italian, german, french etc... you just need to select the audio/subtitle language ingame

[filipmosner]

Yes, but, i want another language which is not in in the game.

[leroyjenkins]

I've tried putting all DLC CookedPCConsole files on BioWare\CookedPCConsole but it didn't work. If I only knew better the .sfar structure, i only know that's some sort of lzma archive

[oveja]

any news?

[otacon172]

Chinese people have succeeded in Repack sfar file.
http://img51.imageshack.us/img51/2595/2 ... 651592.jpg
http://img42.imageshack.us/img42/2948/2 ... 65104c.jpg
However I do not know how to Repack

Here is a Chinese patch.
《质量效应3》3DM轩辕汉化组汉化补丁v2.0
http://dl.3dmgame.com/201203/18213.html

[mnn]

That "thing" from 3DM seems like an on-the-fly patcher. At least when I tried it, it didn't modify DLC's SFAR.

[newtonseple]

So, do we need to repack it to mod the DLC? I saw a directory structure like this in the Default.sfar archive:

__UNKNOWN
----B55019CBF9D3DA65D55B321C0019697C (file)
BIOGame
----DLC
--------DLC_HEN_PR
------------CookedPCConsole
----------------(Tons of game files, including the .bin file i wish to mod)
------------Movies
----------------(Files)
------------PCConsoleTOC.bin

I tried replacing the original DLC_HEN_PR folder with the one from the archive, but then the game complained about it being "corrupt". I also thought about merging the files with the original game files, but then they would not be in the TOC.

Bottom line, do we need a repacker to mod the DLC, or is there a way to make ME3 read the unpacked DLC?

[leroyjenkins]

i'm trying to understand what's doing the UnpackSFXArchive and i'm stuck in the Hash value: what kind of hashing function is that? it's like a MD5 but when I try to hash a file by myself i get a different value.
i.e.

Code: Select all

the file BioH_Liara_03_Explore.pcc has:
     hash inside the sfar:       5C05233F1C158647D276114DFBDF8C99
     hash coded with md5sum.exe: 2F262611252CA78B31C475388BC88462

[mnn]

Because the whole path is MD5 hashed, not only filename:

/BIOGame/DLC/DLC_HEN_PR/CookedPCConsole/BioH_Liara_03_Explore.pcc

[leroyjenkins]

Because the whole path is MD5 hashed, not only filename:

/BIOGame/DLC/DLC_HEN_PR/CookedPCConsole/BioH_Liara_03_Explore.pcc

so it's not the file itself, it's just the filename?

I've just tested the string "/BIOGame/DLC/DLC_HEN_PR/CookedPCConsole/BioH_Liara_03_Explore.pcc" on this site http://www.adamek.biz/md5-generator.php and the result is: fe5412ac7cf7420e439c28c0b557d49c

It's still different from 5C05233F1C158647D276114DFBDF8C99

[com123]

Because the whole path is MD5 hashed, not only filename:

/BIOGame/DLC/DLC_HEN_PR/CookedPCConsole/BioH_Liara_03_Explore.pcc

so it's not the file itself, it's just the filename?

I've just tested the string "/BIOGame/DLC/DLC_HEN_PR/CookedPCConsole/BioH_Liara_03_Explore.pcc" on this site http://www.adamek.biz/md5-generator.php and the result is: fe5412ac7cf7420e439c28c0b557d49c

It's still different from 5C05233F1C158647D276114DFBDF8C99

MD5_SHA-1
http://download.cnet.com/MD5-SHA-1-Chec ... 11445.html

[leroyjenkins]

Because the whole path is MD5 hashed, not only filename:

/BIOGame/DLC/DLC_HEN_PR/CookedPCConsole/BioH_Liara_03_Explore.pcc

so it's not the file itself, it's just the filename?

I've just tested the string "/BIOGame/DLC/DLC_HEN_PR/CookedPCConsole/BioH_Liara_03_Explore.pcc" on this site http://www.adamek.biz/md5-generator.php and the result is: fe5412ac7cf7420e439c28c0b557d49c

It's still different from 5C05233F1C158647D276114DFBDF8C99

MD5_SHA-1
http://download.cnet.com/MD5-SHA-1-Chec ... 11445.html

With the program the result it's 43CCD770944381A3F991DBBD2B5E0519 !!!
Maybe it's not only the file content or filepath, maybe they added a salt variable with the input....

[mnn]

Filename hash of /BIOGame/DLC/DLC_HEN_PR/CookedPCConsole/BioH_Liara_03_Explore.pcc is 3F23055C4786151C4D1176D2998CDFFB. Apparently the path is normalized first - lower case, only ASCII characters + other stuff:

Code: Select all

var s = (ushort)c;

switch (s)
{
    case 0x008C: return (char)0x9C;
    case 0x009F: return (char)0xFF;

    case 0x00D0:
    case 0x00DF:
    case 0x00F0:
    case 0x00F7: return c;
}

if ((c >= 'A' && c <= 'Z') ||
    (c >= 'A' && c <= '?'))
{
    return char.ToLowerInvariant(c);
}

return c;

[leroyjenkins]

Yeah, it worked! I made a simple test using FileNameHash class:

Code: Select all

var temp1 = "/BIOGame/DLC/DLC_HEN_PR/CookedPCConsole/BioH_Liara_03_Explore.pcc";
FileNameHash temp2 = FileNameHash.Compute(temp1);
Console.WriteLine("Filename: {0}\n  Funnyhash: {1}\n",temp1,temp2.ToString());

and the result is correct!!! Thanks mnn

[leroyjenkins]

Guys I have another question regarding the UnpackSFXArchive: when it's time to decompress with lzma the program passes some kind of properties to the LZMA.Decompress function, it pass exactly this 5 bytes: 5D 00 00 01 00. Now my question is, what's the meaning of this bytes? I've searched on google but I've found nothing about it. Also I've tried to use the LZMA.Compress with default settings and it gaves me similar bytes: 5D 00 10 00 00.