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 ExportStandartMaterial(Material material, XmlWriter writer)
{
{
var matEmissionEnabled = material.IsKeywordEnabled("_EMISSION");
var matDiffColor = Color.white;
var matSpecColor = Color.black;
var matEmissiveColor = Color.white;
var flags = new MaterialFlags();
flags.hasAlpha = material.renderQueue == (int)RenderQueue.Transparent;
flags.hasEmissive = matEmissionEnabled;
var shader = material.shader;
for (var i = 0; i < ShaderUtil.GetPropertyCount(shader); i++)
{
var propertyName = ShaderUtil.GetPropertyName(shader, i);
var propertyType = ShaderUtil.GetPropertyType(shader, i);
if (propertyType == ShaderUtil.ShaderPropertyType.TexEnv)
{
var texture = material.GetTexture(propertyName);
if (texture != null)
{
switch (propertyName)
{
case "_Diffuse":
case "_Texture":
case "_MainTex":
flags.hasDiffuse = WriteTexture(texture, writer, "diffuse");
break;
case "_SpecGlossMap":
flags.hasSpecular = WriteTexture(texture, writer, "specular");
break;
case "_ParallaxMap":
break;
case "_Normal":
case "_BumpMap":
flags.hasNormal = WriteTexture(texture, writer, "normal");
break;
case "_DetailAlbedoMap":
break;
case "_DetailNormalMap":
break;
case "_EmissionMap":
case "_Emission":
flags.hasEmissive &= WriteTexture(texture, writer, "emissive");
break;
case "_MetallicGlossMap":
break;
case "_OcclusionMap":
break;
case "_Overlay":
break;
case "_Mask":
break;
case "_DetailMask":
break;
default:
Debug.LogWarning(propertyName);
break;
}
}
}
else if (propertyType == ShaderUtil.ShaderPropertyType.Color)
{
var color = material.GetColor(propertyName);
switch (propertyName)
{
case "_FresnelColor":
break;
case "_MainColor":
case "_Color":
matDiffColor = color;
break;
case "_EmissionColor":
matEmissiveColor = color;
break;
case "_SpecColor":
matSpecColor = color;
break;
default:
Debug.LogWarning(propertyName);
break;
}
}
else if (propertyType == ShaderUtil.ShaderPropertyType.Range)
{
var value = material.GetFloat(propertyName);
switch (propertyName)
{
case "_Cutoff":
case "_Glossiness":
case "_GlossMapScale":
case "_Parallax":
case "_OcclusionStrength":
case "_Specular":
case "_Gloss":
case "_FresnelPower":
case "_FresnelExp":
case "_Alpha_2":
case "_RefractionPower":
case "_Metallic":
break;
case "_Alpha_1":
matDiffColor.a = value;
break;
default:
Debug.LogWarning(propertyName);
break;
}
}
else if (propertyType == ShaderUtil.ShaderPropertyType.Float)
{
var value = material.GetFloat(propertyName);
switch (propertyName)
{
case "_SmoothnessTextureChannel":
case "_SpecularHighlights":
case "_GlossyReflections":
case "_BumpScale":
case "_DetailNormalMapScale":
case "_UVSec":
case "_Mode":
case "_SrcBlend":
case "_DstBlend":
case "_ZWrite":
break;
default:
Debug.LogWarning(propertyName);
break;
}
}
//else
//{
// Debug.LogWarning(propertyName+" of unsupported type "+propertyType);
//}
}
if (!flags.hasDiffuse)
{
WriteParameter(writer, "\t", "MatDiffColor", BaseNodeExporter.Format(matDiffColor));
}
if (!flags.hasSpecular)
{
WriteParameter(writer, "\t", "MatSpecColor", BaseNodeExporter.Format(matSpecColor));
}
if (matEmissionEnabled)
{
WriteParameter(writer, "\t", "MatEmissiveColor", BaseNodeExporter.Format(matEmissiveColor));
}
writer.WriteWhitespace(Environment.NewLine);
writer.WriteStartElement("technique");
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;
}
}
}
writer.WriteAttributeString("name", "Techniques/" + bestTechnique.Name);
writer.WriteAttributeString("quality", "0");
writer.WriteEndElement();
writer.WriteWhitespace(Environment.NewLine);
}
}
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();
}
}