Shaders Custom Shaders Details

SSTU Custom Shaders

SSTU/PBR

Textures:

• Detail Diff (RBG) Spec (A)
• AO
• NRM
• User Mask
  • created at runtime by recoloring system
  • Used to lookup user-defined values
  • Each pixel defines a specific property value; the location of the pixel determines what it defines
  • Each user-configurable channel will consume X number of pixels
  • Pixel arrangement to be done as if the texture was a linear array

Properties:

• Albedo Color
• Specular Color
• Specular Amount

SSTU/Masked

SSTU/MaskedIcon

SSTU/SolarShader

KSP Shader Properties and Uses in stock code

KSP/ScreenSpaceMask

_MinX - screen-space UV mask 0,0 -> 1,1
_MaxX - screen-space UV mask 0,0 -> 1,1
_MinY - screen-space UV mask 0,0 -> 1,1
_MaxY - screen-space UV mask 0,0 -> 1,1
_Multiplier - unknown, seems to be statically set to '2'

Standard Shaders (diff/spec/bump/emit)

_MainTex - Main Texture. RGB or RGB-SpecA
_BumpMap - Normal map texture.
_RimColor - Part Mouse-over Highlighting (editor/flight). _RimFalloff - Part Mouse-over Highlighting? seems to be statically set to '2'
_Opacity - Part Mouse-over Highlighting. Controls if a part should be transparent while in the editor while unattached to a craft. Also used for stock fairings and 'see through' parts/modules (service bays).
_TemperatureColor - blackbody radiation glow. Unknown if it also handles the 'temperature overlay' feature. _EmissiveColor - Only used in IVA props for glowing button updating (status lights).
_Color - Only used in IVA props and 'GalaxyCubeControl' whatever that is...
_TintColor - Unused
upMatrix
localMatrix
_subdiv
_LayerTransparentFX - Unused