SWTOR Garment Shader

Because we currently only got 4 Textures for Shaders, we cant process the entire thing in one.

Split system:

1. Step: _d, _m, _h -> Diffuse Color

2. Step: _d, _s, _m, _h -> Specular Color

3. Step 1 output, 2 output, _n -> Final Outcum

Material Data Structure

Step 1:
    Palatte 1: `c0`
    Palette 2: `c1`

Step 2:
    Palatte 1:
        `c0`: specular
        `c1`: metallic specular
    Palette 2:
        `c2`: specular
        `c3`: metallic specular