NASCAR 2005: Chase for the Cup .DAT Files

Extraction and unpacking of game archives and compression, encryption, obfuscation, decoding of unknown files
Speedster39
Posts: 1
Joined: Sat Jan 29, 2022 6:48 pm

NASCAR 2005: Chase for the Cup .DAT Files

Post by Speedster39 »

Hello! I am trying to open the DRIVNUMB.DAT file from NASCAR 2005: Chase for the Cup. I was able to extract it using the madden_terf.bms script in QuickBMS. After the extraction, I noticed that the files are in a .3ds format. Unfortunately, when I open the file with Adobe Photoshop, the program crashes immediately. From Photoshop, it estimates that the image size is 1523 x 275. I also tried Aspose 3D Viewer and nothing pops up on the screen. Is there a way to properly open these EA Sports .DAT files? Thank you!

https://drive.google.com/drive/folders/ ... sp=sharing
BloodRaynare
Posts: 367
Joined: Fri Mar 10, 2017 7:23 am

Re: NASCAR 2005: Chase for the Cup .DAT Files

Post by BloodRaynare »

Endianness aside (I assume you've obtained this file from the Gamecube version, which uses Big Endian), the extraction is correct. To open the textures, you'll need some tools to view raw textures, such as TiledGGD (If you want to edit, this can be bit complex however). The texture was composed like this:

Code: Select all

Image dimensions (WxH): 256x128 Swizzled/Tiled
Graphic data offset: 0x40
Pallette offset: Graphic data sizes (Width x Height / 2) + 0x20
Bits per pixel: 4-bit RGB
TheKingOfRockNRoll
Posts: 1
Joined: Mon May 09, 2022 2:49 pm

Re: NASCAR 2005: Chase for the Cup .DAT Files

Post by TheKingOfRockNRoll »

Speedster39, if you still here, i know another way
DRIVINUMB.DAT is drivers numbers, yeah? You can take them directly from the game using the utility TEXMOD.