Is there any fix for those black shaders?

[CansecoDev]

I always saw this models and a few others with black shaders like this:

 

 

As you can see the X-Wing and that boxes have black shaders.

Is there any fix for this?

[Asgarath83]

not using rgbgen lightingdiffuse into the shader file of the texture. on MD3 model you get this issue : \

use rgbgen identity

[CansecoDev]

I made this replace to all the shaders:

 

rgbGen lightingDiffuse --> rgbGen identity

 

590 Edits in total

Result:

 

Looks like this works, any possible side effects?