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burom, posted Sun Oct 24, 2021 4:53 pm (67153)

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Continuing on from splitting the game's pack files (viewtopic.php?f=9&t=15982), the pack files contain meshes in .mesh files (OGRE format) and textures in .bmp format; the .bmp files don't appear to have working headers (no recognizable magics) and could be compressed. Attached is a sample containing extracted diffuse, normal and specular texture .bmps. From working with a Xenia dump of the textures, they're supposed to be 512x512 each; for what it's worth the normal ends up dumped as BC5_UNORM while the other two are BC1_UNORM.

Allen, posted Tue Nov 02, 2021 5:34 am (67315)

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No information about height and width was found. Found a flag about the size of the Top Level Mipmap data.
It is assumed that the height and width are the same, and the value is 2 to the nth power.

Here is a Noesis script to view the sample you provided.

The normal texture is in ATI2 format.
The diffuse and spec textures are in DXT1(BC1) format.
It's just that the data is Tiled.

tex_DoubleDragonIIWanderOfTheDragons_xbox360_bmp.zip

burom, posted Tue Nov 02, 2021 7:05 pm (67333)

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Thank you!