Real Halogen vehicle lights

[insus100]

Hey

 

maybe some of you have noticed how all vehicle lights turn on and off as if they were LED lights in gta v.
I wanted to make a mod to gradually show the emissive for the brakelights for example. Check this vid with timestamp if you don't understand what I'm talking about: Driver san francisco youtube
You can clearly see those brakelights have a halogen effect, they don't just turn on in one frame as if they were led, as it happens in gta v.
Since emissives in vehicles are just a mesh that shows and hides, I've been thinking of finding the function that draws them ? and maybe hook it and use a loop to gradually increase alpha value ? same for coronas, but I don't know if this logic will work because I can't find the function(s) that draw those things.

Maybe someone with more experience in reversing has any ideas regarding this, I'd appreciate if you post them below.