Oh yes, this seems to be right, wonderfull work!
I've just started to work, unfortunately I forgot to mention that the texture for the rear lights need a normal map to show the effect of refraction, smooth glass doesn't help much there, but it's also possible in a pinch, I'll still do that quickly in the kseditor and off we go.
p.s. really great that you
@El Locho gave each texture its own mesh underneath, so you can refractory everything, including blinkers :-)
The thing is, i could do this to all old mods for ac but the cars must have suited splitted meshes, certain shaders and so on and so on, it is complicated.
Currently i have 1600 car mods and I bookmark the ones that I can use for refraction, currently I have checked about 1000 cars and I have been able to do the csp refraction for about 500 so far, no idea if I will ever publish them or not, because the kn5 have been changed for many, there are also copyrights etc.
What I somehow can't do at all are refractions on cars that have folding headlights.
here some examples for everyone interested
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560 SEC
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Alpine A442
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Dodge Challenger