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2015 Ford Mustang GT

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This is the 2015 Mustang GT (performance pack) model, taken from Assetto Corsa, with a bunch of modifications to make it really pretty. Also, custom rigging. I rigged up a bunch of stuff. It's not perfect, but hey.

I spent a lot of time on the paint materials, specifically getting the look of metallic paint right. Suffice to say, it has been a success - I'm extremely proud of how the paint materials look; how the car changes color and shines under different lighting conditions, how the car glitters when you get close to it, and how the paint is not quite perfect, with clearcoat scratches and ripply reflections from orange-peeling. Multiple 4k textures were used for this, which, granted, aren't easy on the memory - but I wanted to avoid any sort of tiling where I could.

I've included a lot of paint colors as skins - most of the colors are ones from the factory.

Skin 0 - Kona Blue
Skin 1 - Grabber Blue
Skin 2 - Ruby Red Metallic
Skin 3 - Race Red
Skin 4 - Green Hornet (unique Shelby color)
Skin 5 - Dark Highland Green (Bullitt color - not available for this MY)
Skin 6 - Triple Yellow
Skin 7 - Competition Orange
Skin 8 - Ingot Silver
Skin 9 - Platinum White
Skin 10 - Shadow Black
Skin 11 - MystiChrome (only available on 2004 Cobra models)

Metallic paints will look grainy when in the work camera. You NEED to render the car at a higher sample count to remove the grain. This is deliberate.

This is a car, and cars are shiny. So, ENVMAPS are required on multiple materials; preferably custom ones. I've detailed the materials that require envmaps below:

clearcoat < the most necessary one
rubyred_clearcoat (this paint job uses its own unique clearcoat material)
ext_windows
ext_chrome
ext_carpaint_black
ext_rim_base_occ | not 100% necessary, but recommended
ext_headlight_housing | not 100% necessary, but recommended
ext_taillights | not 100% necessary, but recommended
ext_mirror, if you really need those wing mirror reflections

These have to be what I consider visually appealing envmaptint and envmapfresnel values, so typically all that's needed is a simple override of $envmap for each material.

Known Issues:

Sometimes, a seam is visible between the tire sidewall and the tire tread when phong hits it just right.
The wheel bones are kind of tricky to work with when you need them to spin. Source problems.
When you hover over the "Set Body Groups" option.... you're gonna see a lot of stuff pop up. Yeah, I have no idea how to hide them.
Transparent materials, like glass, just don't play nice all of the time. They'll sometimes have sorting issues in front of things like skydomes. Not an issue with the model, but with Source itself.

Come join me and many others in the /r/SFM Discord Server: https://discordapp.com/invite/hzq2GQa
We don't bite. Promise.

Credits:
Kunos Simulazioni for the car model/textures
JG3D on Turbosquid for the tire model/textures
Me for porting, rigging, materials, and some textures

Includes:
anonymousgamer\2015mustang.mdl