Something like this should be 1) standard procedure and 2) simple to fix. Unlike vertices/uvs/normals, the order of polygons is inconsequential - as long as they are grouped properly and follow their 'usemtl' material assignments shouldn't matter how you jumble them. I'll have to check, but maybe UVMapper fixes this automatically. That would be slow for all geometries, but at least an immediate solution if it does.

C makes it easy to shoot yourself in the foot. C++ makes it harder, but when you do, you blow your whole leg off.

 -- Bjarne Stroustrup

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