public static void ParseMaterial(FDatasmithFacadeUEPbrMaterial DSMaterial, Material RhinoMaterial, DatasmithRhinoSceneParser SceneParser)
{
Color MaterialDiffuseColor = RhinoMaterial.DiffuseColor;
MaterialDiffuseColor = Color.FromArgb(255 - (byte)(255 * RhinoMaterial.Transparency), MaterialDiffuseColor);
Texture[] MaterialTextures = RhinoMaterial.GetTextures();
for (int TextureIndex = 0; TextureIndex < MaterialTextures.Length; ++TextureIndex)
{
Texture RhinoTexture = MaterialTextures[TextureIndex];
if (RhinoTexture != null)
{
RhinoTextureInfo TextureInfo = SceneParser.GetTextureInfoFromRhinoTexture(RhinoTexture.Id);
if (TextureInfo != null)
{
AddTextureToMaterial(DSMaterial, TextureInfo, MaterialDiffuseColor);
}
}
}
// Set a diffuse color if there's nothing in the BaseColor
if (DSMaterial.GetBaseColor().GetExpression() == null)
{
FDatasmithFacadeMaterialExpressionColor ColorExpression = DSMaterial.AddMaterialExpressionColor();
ColorExpression.SetName("Diffuse Color");
ColorExpression.SetsRGBColor(MaterialDiffuseColor.R, MaterialDiffuseColor.G, MaterialDiffuseColor.B, MaterialDiffuseColor.A);
ColorExpression.ConnectExpression(DSMaterial.GetBaseColor());
}
if (RhinoMaterial.Transparency > 0)
{
DSMaterial.SetBlendMode(/*EBlendMode::BLEND_Translucent*/ 2);
if (DSMaterial.GetOpacity().GetExpression() == null)
{
// Transparent color
FDatasmithFacadeMaterialExpressionScalar Scalar = DSMaterial.AddMaterialExpressionScalar();
Scalar.SetName("Opacity");
Scalar.SetScalar(1 - (float)RhinoMaterial.Transparency);
Scalar.ConnectExpression(DSMaterial.GetOpacity());
}
else
{
// Modulate the opacity map with the color transparency setting
FDatasmithFacadeMaterialExpressionGeneric Multiply = DSMaterial.AddMaterialExpressionGeneric();
Multiply.SetExpressionName("Multiply");
FDatasmithFacadeMaterialExpressionScalar Scalar = DSMaterial.AddMaterialExpressionScalar();
Scalar.SetName("Opacity Output Level");
Scalar.SetScalar(1 - (float)RhinoMaterial.Transparency);
Scalar.ConnectExpression(Multiply.GetInput(0));
FDatasmithFacadeMaterialExpression CurrentOpacityExpression = DSMaterial.GetOpacity().GetExpression();
CurrentOpacityExpression.ConnectExpression(Multiply.GetInput(1));
DSMaterial.GetOpacity().SetExpression(Multiply);
}
}
float Shininess = (float)(RhinoMaterial.Shine / Material.MaxShine);
if (Math.Abs(Shininess) > float.Epsilon)
{
FDatasmithFacadeMaterialExpressionScalar ShininessExpression = DSMaterial.AddMaterialExpressionScalar();
ShininessExpression.SetName("Roughness");
ShininessExpression.SetScalar(1f - Shininess);
ShininessExpression.ConnectExpression(DSMaterial.GetRoughness());
}
float Reflectivity = (float)RhinoMaterial.Reflectivity;
if (Math.Abs(Reflectivity) > float.Epsilon)
{
FDatasmithFacadeMaterialExpressionScalar ReflectivityExpression = DSMaterial.AddMaterialExpressionScalar();
ReflectivityExpression.SetName("Metallic");
ReflectivityExpression.SetScalar(Reflectivity);
ReflectivityExpression.ConnectExpression(DSMaterial.GetMetallic());
}
}