private static double[] GetFactors(GrayType gray_type)
{
switch (gray_type)
{
case GrayType.AVERAGE:
return(new double [] { 0.0, 1.0, 1.0, 1.0 });
case GrayType.LUMINACE:
return(new double [] { 0.0, 0.2126, 0.7152, 0.0722 }); // http://en.wikipedia.org/wiki/Luma_(video)
case GrayType.LUMINOSITY:
return(new double [] { 0.0, 0.299, 0.587, 0.114 }); // http://en.wikipedia.org/wiki/Luminosity
case GrayType.ALFACHANNEL:
return(new double [] { 1.0, 0.0, 0.0, 0.0 });
case GrayType.REDCHANNEL:
return(new double [] { 0.0, 1.0, 0.0, 0.0 });
case GrayType.GREENCHANNEL:
return(new double [] { 0.0, 0.0, 1.0, 0.0 });
case GrayType.BLUECHANNEL:
return(new double [] { 0.0, 0.0, 0.0, 1.0 });
default:
throw new Exception("Unimplemented color");
}
}
private static float[] GetFactors(
GrayType gray_type)
{
switch (gray_type)
{
case GrayType.AVERAGE:
return(new float [] { 0.0f, 1.0f, 1.0f, 1.0f });
case GrayType.LUMINACE:
return(new float [] { 0.0f, 0.2126f, 0.7152f, 0.0722f }); // http://en.wikipedia.org/wiki/Luma_(video)
case GrayType.LUMINOSITY:
return(new float [] { 0.0f, 0.299f, 0.587f, 0.114f }); // http://en.wikipedia.org/wiki/Luminosity
case GrayType.ALFACHANNEL:
return(new float [] { 1.0f, 0.0f, 0.0f, 0.0f });
case GrayType.REDCHANNEL:
return(new float [] { 0.0f, 1.0f, 0.0f, 0.0f });
case GrayType.GREENCHANNEL:
return(new float [] { 0.0f, 0.0f, 1.0f, 0.0f });
case GrayType.BLUECHANNEL:
return(new float [] { 0.0f, 0.0f, 0.0f, 1.0f });
default:
throw new Exception("Unkown gray type");
}
}
static void SetMaterialKeywords(Material material, WorkflowMode workflowMode)
{
// Note: keywords must be based on Material value not on MaterialProperty due to multi-edit & material animation
// (MaterialProperty value might come from renderer material property block)
SetKeyword(material, "_NORMALMAP", material.GetTexture("_BumpMap") || material.GetTexture("_DetailNormalMap"));
if (workflowMode == WorkflowMode.Specular)
{
SetKeyword(material, "_SPECGLOSSMAP", material.GetTexture("_SpecGlossMap"));
}
else if (workflowMode == WorkflowMode.Metallic)
{
SetKeyword(material, "_METALLICGLOSSMAP", material.GetTexture("_MetallicGlossMap"));
}
SetKeyword(material, "_PARALLAXMAP", material.GetTexture("_ParallaxMap"));
SetKeyword(material, "_DETAIL_MULX2", material.GetTexture("_DetailAlbedoMap") || material.GetTexture("_DetailNormalMap"));
// A material's GI flag internally keeps track of whether emission is enabled at all, it's enabled but has no effect
// or is enabled and may be modified at runtime. This state depends on the values of the current flag and emissive color.
// The fixup routine makes sure that the material is in the correct state if/when changes are made to the mode or color.
MaterialEditor.FixupEmissiveFlag(material);
bool shouldEmissionBeEnabled = (material.globalIlluminationFlags & MaterialGlobalIlluminationFlags.EmissiveIsBlack) == 0;
SetKeyword(material, "_EMISSION", shouldEmissionBeEnabled);
if (material.HasProperty("_SmoothnessTextureChannel"))
{
SetKeyword(material, "_SMOOTHNESS_TEXTURE_ALBEDO_CHANNEL_A", GetSmoothnessMapChannel(material) == SmoothnessMapChannel.AlbedoAlpha);
}
GrayType gray = (GrayType)material.GetInt("_Gray");
SetKeyword(material, "_GRAY_DOT", gray == GrayType.Dot);
SetKeyword(material, "_GRAY_MAX", gray == GrayType.Max);
}
public FunctionColorToUInt16Gray(GrayType gray_type)
: this(GetFactors(gray_type))
{
}
public FunctionColorToFloat32Gray(
GrayType gray_type) :
this(GetFactors(gray_type))
{
}
