public static FDatasmithFacadeTexture ParseTexture(RhinoTextureInfo TextureInfo)
{
Texture RhinoTexture = TextureInfo.RhinoTexture;
if (!TextureInfo.IsSupported())
{
return(null);
}
FDatasmithFacadeTexture TextureElement = new FDatasmithFacadeTexture(TextureInfo.Name);
TextureElement.SetLabel(TextureInfo.Label);
TextureElement.SetFile(TextureInfo.FilePath);
TextureElement.SetTextureFilter(FDatasmithFacadeTexture.ETextureFilter.Default);
TextureElement.SetRGBCurve(1);
TextureElement.SetTextureAddressX(RhinoTexture.WrapU == TextureUvwWrapping.Clamp ? FDatasmithFacadeTexture.ETextureAddress.Clamp : FDatasmithFacadeTexture.ETextureAddress.Wrap);
TextureElement.SetTextureAddressY(RhinoTexture.WrapV == TextureUvwWrapping.Clamp ? FDatasmithFacadeTexture.ETextureAddress.Clamp : FDatasmithFacadeTexture.ETextureAddress.Wrap);
FDatasmithFacadeTexture.ETextureMode TextureMode = FDatasmithFacadeTexture.ETextureMode.Diffuse;
if (RhinoTexture.TextureType == TextureType.Bump)
{
TextureMode = FDatasmithFacadeTexture.ETextureMode.Bump;
}
TextureElement.SetTextureMode(TextureMode);
return(TextureElement);
}
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;
}
}
