Decal material type

Texture Units

Diffuse: base color data for the decal
NMap: Normal Map, per-texel surface normal data. When enabled, the surface will get shaded according to the normal info.
Specular: this unit will mask specular highlights.
Height: this unit will store a map of height levels across the material.
DetailDiffuse: texture to be used as detail map.

HeightMapScale: The actual “height” scale that will be mapped by the values in the heightmap (in the range [0, 1])
HeightMapBias:
FrenselBias: Bias for Fresnel term. values: 0-1. Higher means that more of reflection is seen when looking straight at object.
FrenselPow: The higher the 'sharper' the reflection is, meaning that it is only clearly seen at sharp angles.
DetailUvMul: The amount the UV maps are multiplied with. The higher the more the detail maps are repeated.
DetailFadeStart: When the details start fading out.
DetailFadeEnd: When details have completely faded out.
DetailWeight: The amount of influence of the detail texture.