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And I haven't tested bump maps yet and... displacement... forget it.

This reminds me: from the scene file description, it looks like displacement is done in the mesh, not the material. That makes sense to me, since displacement does in fact change the shape of what is rendered. I don't quite understand the details yet, but it seems that one has to specify a subdivision level as well for the displacement to take effect. If that's in fact the case, that would mean that the higher the level, the more details one would get.

I suspect that once everything's ready, we can simply feed the appropriate displacement 'texture' generated by BB's material conversion into this. All I need is an extra method call to get it out of the converter class.

-- I'm not mad at you, just Westphalian.