private static void AddTextureToMaterial(FDatasmithFacadeUEPbrMaterial DSMaterial, RhinoTextureInfo TextureInfo, Color DiffuseColor)
{
if (!TextureInfo.IsSupported())
{
return;
}
Texture RhinoTexture = TextureInfo.RhinoTexture;
// Extract texture mapping info
double BlendConstant, BlendA0, BlendA1, BlendA2, BlendA3;
RhinoTexture.GetAlphaBlendValues(out BlendConstant, out BlendA0, out BlendA1, out BlendA2, out BlendA3);
FDatasmithFacadeMaterialsUtils.FWeightedMaterialExpressionParameters WeightedExpressionParameters = new FDatasmithFacadeMaterialsUtils.FWeightedMaterialExpressionParameters((float)BlendConstant);
FDatasmithFacadeMaterialsUtils.FUVEditParameters UVParameters = GetUVParameter(RhinoTexture);
switch (RhinoTexture.TextureType)
{
case TextureType.Bitmap:
{
FDatasmithFacadeMaterialExpression TextureExpression = FDatasmithFacadeMaterialsUtils.CreateTextureExpression(DSMaterial, "Diffuse Map", TextureInfo.Name, UVParameters);
WeightedExpressionParameters.SetColorsRGB(DiffuseColor.R, DiffuseColor.G, DiffuseColor.B, DiffuseColor.A);
WeightedExpressionParameters.SetExpression(TextureExpression);
FDatasmithFacadeMaterialExpression Expression = FDatasmithFacadeMaterialsUtils.CreateWeightedMaterialExpression(DSMaterial, "Diffuse Color", WeightedExpressionParameters);
DSMaterial.GetBaseColor().SetExpression(Expression);
}
break;
case TextureType.Bump:
{
FDatasmithFacadeMaterialExpression TextureExpression = FDatasmithFacadeMaterialsUtils.CreateTextureExpression(DSMaterial, "Bump Map", TextureInfo.Name, UVParameters);
WeightedExpressionParameters.SetExpression(TextureExpression);
WeightedExpressionParameters.SetTextureMode(FDatasmithFacadeTexture.ETextureMode.Bump);
FDatasmithFacadeMaterialExpression Expression = FDatasmithFacadeMaterialsUtils.CreateWeightedMaterialExpression(DSMaterial, "Bump Height", WeightedExpressionParameters);
DSMaterial.GetNormal().SetExpression(Expression);
}
break;
case TextureType.Transparency:
{
FDatasmithFacadeMaterialExpression TextureExpression = FDatasmithFacadeMaterialsUtils.CreateTextureExpression(DSMaterial, "Opacity Map", TextureInfo.Name, UVParameters);
Color BlendColor = Color.White;
WeightedExpressionParameters.SetColorsRGB(BlendColor.R, BlendColor.G, BlendColor.B, BlendColor.A);
WeightedExpressionParameters.SetExpression(TextureExpression);
FDatasmithFacadeMaterialExpression Expression = FDatasmithFacadeMaterialsUtils.CreateWeightedMaterialExpression(DSMaterial, "White", WeightedExpressionParameters);
DSMaterial.GetOpacity().SetExpression(Expression);
if (Math.Abs(BlendConstant) > float.Epsilon)
{
DSMaterial.SetBlendMode(/*EBlendMode::BLEND_Translucent*/ 2);
}
}
break;
}
}
public static FDatasmithFacadeMaterialExpression CreateWeightedMaterialExpression(FDatasmithFacadeUEPbrMaterial MaterialElement, string ParameterName, FDatasmithFacadeMaterialsUtils.FWeightedMaterialExpressionParameters WeightedExpressionParameter)
{
global::System.IntPtr objectPtr = DatasmithFacadeCSharpPINVOKE.FDatasmithFacadeMaterialsUtils_CreateWeightedMaterialExpression(FDatasmithFacadeUEPbrMaterial.getCPtr(MaterialElement), ParameterName, FDatasmithFacadeMaterialsUtils.FWeightedMaterialExpressionParameters.getCPtr(WeightedExpressionParameter));
if (DatasmithFacadeCSharpPINVOKE.SWIGPendingException.Pending)
{
throw DatasmithFacadeCSharpPINVOKE.SWIGPendingException.Retrieve();
}
if (objectPtr == global::System.IntPtr.Zero)
{
return(null);
}
else
{
//Query the type with a temporary wrapper with no memory ownership.
EDatasmithFacadeMaterialExpressionType ExpressionType = (new FDatasmithFacadeMaterialExpression(objectPtr, false)).GetExpressionType();
switch (ExpressionType)
{
case EDatasmithFacadeMaterialExpressionType.ConstantBool:
return(new FDatasmithFacadeMaterialExpressionBool(objectPtr, true));
case EDatasmithFacadeMaterialExpressionType.ConstantColor:
return(new FDatasmithFacadeMaterialExpressionColor(objectPtr, true));
case EDatasmithFacadeMaterialExpressionType.ConstantScalar:
return(new FDatasmithFacadeMaterialExpressionScalar(objectPtr, true));
case EDatasmithFacadeMaterialExpressionType.FlattenNormal:
return(new FDatasmithFacadeMaterialExpressionFlattenNormal(objectPtr, true));
case EDatasmithFacadeMaterialExpressionType.FunctionCall:
return(new FDatasmithFacadeMaterialExpressionFunctionCall(objectPtr, true));
case EDatasmithFacadeMaterialExpressionType.Generic:
return(new FDatasmithFacadeMaterialExpressionGeneric(objectPtr, true));
case EDatasmithFacadeMaterialExpressionType.Texture:
return(new FDatasmithFacadeMaterialExpressionTexture(objectPtr, true));
case EDatasmithFacadeMaterialExpressionType.TextureCoordinate:
return(new FDatasmithFacadeMaterialExpressionTextureCoordinate(objectPtr, true));
default:
return(null);
}
}
}
