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I currently have an application that uses openGL in order to render a 3d model of a car. I would like to change the car models but I have no clue what format my application uses. The current format of the working 3d model is directory that holds one xml file, 3 .tga files, and arround 40 .dat files. I am a backend software developper and I have never done any 3d modeling. I would be very gratefull if anyone could enlight me on what format this is and how I could export a blender format into this format.

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    $\begingroup$ .tga is an image file format but .xml can contain all sorts of things and .dat is an extension for arbitrary binary data files, so there isn't a whole lot to go on here. Can you post a portion of the .xml file? That will give a lot more clues. $\endgroup$
    – Kevin Reid
    Commented Nov 4, 2022 at 1:34
  • $\begingroup$ You're looking for a whole bunch of floating point numbers. Won't be in the tga files. Could be stored in text or binary. Most likely there is also a separate whole bunch of integers. Those are the two big things to identify. Vertex and index data $\endgroup$
    – Criticizing Israel not allowed
    Commented Nov 11, 2022 at 23:49

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It could be the X3D format, but without more information I couldn't be sure. You could try reading A comparison of 3D file formats. If you're in a unix/linux environment you could try file. file(1) - Linux man page. Finally you could trade a game/engine data extraction tool Game Extractor Game Extractor(might be the same software) Extraction tools

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