private void ExportSpecularGlossiness(AssetContext asset, SpecularGlossinessShaderArguments arguments)
{
using (var writer = asset.DestinationFolder.CreateXml(asset.UrhoAssetName))
{
if (writer == null)
{
return;
}
writer.WriteStartDocument();
writer.WriteWhitespace(Environment.NewLine);
writer.WriteStartElement("material");
writer.WriteWhitespace(Environment.NewLine);
if (arguments.Diffuse != null)
{
// Albedo
if (arguments.PBRSpecular != null)
{
// Albedo, MetallicGloss
if (arguments.Bump != null)
{
// Albedo, MetallicGloss, Normal
if (arguments.Emission)
{
// Albedo, MetallicGloss, Normal, Emission
if (arguments.Transparent)
{
WriteTechnique(writer,
"Techniques/PBR/PBRMetallicRoughDiffNormalSpecEmissiveAlpha.xml");
}
else
{
WriteTechnique(writer, "Techniques/PBR/PBRMetallicRoughDiffNormalSpecEmissive.xml");
}
WriteTexture(arguments.Emission, writer, "emissive");
}
else
{
// Albedo, MetallicGloss, Normal, No Emission
if (arguments.Transparent)
{
WriteTechnique(writer, "Techniques/PBR/PBRMetallicRoughDiffNormalSpecAlpha.xml");
}
else
{
WriteTechnique(writer, "Techniques/PBR/PBRMetallicRoughDiffNormalSpec.xml");
}
}
WriteTexture(arguments.Bump, writer, "normal");
}
else
{
// Albedo, MetallicGloss, No Normal
if (arguments.Transparent)
{
WriteTechnique(writer, "Techniques/PBR/PBRMetallicRoughDiffSpecAlpha.xml");
}
else
{
WriteTechnique(writer, "Techniques/PBR/PBRMetallicRoughDiffSpec.xml");
}
}
if (_assets.TryGetTexturePath(arguments.PBRSpecular, out var baseAssetName))
{
var textureReferences = new TextureReferences(TextureSemantic.PBRSpecularGlossiness, 1.0f,
arguments.SmoothnessTextureChannel == SmoothnessTextureChannel.AlbedoAlpha
? arguments.Diffuse
: arguments.PBRSpecular, arguments.SmoothnessTextureChannel);
var textureOutputName =
TextureExporter.GetTextureOutputName(baseAssetName, textureReferences);
WriteTexture(textureOutputName, writer, "specular");
}
}
else
{
// Albedo, No MetallicGloss
if (arguments.Bump != null)
{
// Albedo, No MetallicGloss, Normal
if (arguments.Emission != null)
{
// Albedo, No MetallicGloss, Normal, Emission
if (arguments.Transparent)
{
WriteTechnique(writer, "Techniques/PBR/PBRDiffNormalEmissiveAlpha.xml");
}
else
{
WriteTechnique(writer, "Techniques/PBR/PBRDiffNormalEmissive.xml");
}
WriteTexture(arguments.Emission, writer, "emissive");
}
else
{
// Albedo, No MetallicGloss, Normal, No Emission
if (arguments.Transparent)
{
WriteTechnique(writer, "Techniques/PBR/PBRDiffNormalAlpha.xml");
}
else
{
WriteTechnique(writer, "Techniques/PBR/PBRDiffNormal.xml");
}
}
WriteTexture(arguments.Bump, writer, "normal");
}
else
{
// Albedo, No MetallicGloss, No Normal
if (arguments.Transparent)
{
WriteTechnique(writer, "Techniques/PBR/PBRDiffAlpha.xml");
}
else
{
WriteTechnique(writer, "Techniques/PBR/PBRDiff.xml");
}
}
}
if (_assets.TryGetTexturePath(arguments.Diffuse, out var diffuseName))
{
var textureReferences = new TextureReferences(TextureSemantic.PBRDiffuse, 1.0f,
arguments.PBRSpecular, arguments.SmoothnessTextureChannel);
var textureOutputName = TextureExporter.GetTextureOutputName(diffuseName, textureReferences);
WriteTexture(textureOutputName, writer, "diffuse");
}
}
else
{
// No albedo
if (arguments.Transparent)
{
WriteTechnique(writer, "Techniques/PBR/PBRNoTextureAlpha.xml");
}
else
{
WriteTechnique(writer, "Techniques/PBR/PBRNoTexture.xml");
}
}
WriteParameter(writer, "MatDiffColor", BaseNodeExporter.Format(arguments.DiffuseColor));
if (arguments.HasEmission)
{
WriteParameter(writer, "MatEmissiveColor", BaseNodeExporter.FormatRGB(arguments.EmissiveColor));
}
WriteParameter(writer, "MatEnvMapColor", BaseNodeExporter.FormatRGB(Color.white));
WriteParameter(writer, "MatSpecColor", BaseNodeExporter.Format(Vector4.zero));
if (arguments.PBRSpecular != null)
{
WriteParameter(writer, "Roughness", BaseNodeExporter.Format(0));
WriteParameter(writer, "Metallic", BaseNodeExporter.Format(0));
}
else
{
////TODO: Evaluate correct parameters:
WriteParameter(writer, "Roughness", BaseNodeExporter.Format(0.0f));
WriteParameter(writer, "Metallic", BaseNodeExporter.Format(0.0f));
}
writer.WriteEndElement();
writer.WriteEndDocument();
}
}
private void ExportLegacy(AssetContext asset, LegacyShaderArguments arguments)
{
using (var writer = asset.DestinationFolder.CreateXml(asset.UrhoAssetName))
{
if (writer == null)
{
return;
}
writer.WriteStartDocument();
writer.WriteWhitespace(Environment.NewLine);
var flags = new LegacyTechniqueFlags();
flags.hasAlpha = arguments.Transparent;
flags.hasDiffuse = arguments.Diffuse != null;
flags.hasEmissive = arguments.Emission != null;
flags.hasNormal = arguments.Bump != null;
flags.hasSpecular = arguments.Specular != null;
writer.WriteStartElement("material");
writer.WriteWhitespace(Environment.NewLine);
{
var bestTechnique = Techniques[0];
var bestTechniqueDistance = bestTechnique.Material - flags;
foreach (var technique in Techniques)
{
if (technique.Material.Fits(flags))
{
var d = technique.Material - flags;
if (d < bestTechniqueDistance)
{
bestTechnique = technique;
bestTechniqueDistance = d;
}
}
}
WriteTechnique(writer, "Techniques/" + bestTechnique.Name);
}
if (arguments.Diffuse != null)
{
WriteTexture(arguments.Diffuse, writer, "diffuse");
}
if (arguments.Specular != null)
{
WriteTexture(arguments.Specular, writer, "specular");
}
if (arguments.Bump != null)
{
WriteTexture(arguments.Bump, writer, "normal");
}
if (arguments.Emission != null)
{
WriteTexture(arguments.Bump, writer, "emissive");
}
WriteParameter(writer, "MatDiffColor", BaseNodeExporter.Format(arguments.DiffColor));
if (arguments.HasEmission)
{
WriteParameter(writer, "MatEmissiveColor", BaseNodeExporter.FormatRGB(arguments.EmissiveColor));
}
writer.WriteEndElement();
writer.WriteEndDocument();
}
}