private LegacyShaderArguments SetupLegacy(Material material)
{
var arguments = new LegacyShaderArguments();
SetupFlags(material, arguments);
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);
switch (propertyType)
{
case ShaderUtil.ShaderPropertyType.Color:
{
var color = material.GetColor(propertyName);
switch (propertyName)
{
case "_MainColor":
case "_Color":
arguments.DiffColor = color;
break;
case "_EmissionColor":
arguments.EmissiveColor = color;
break;
case "_SpecColor":
arguments.SpecColor = color;
break;
}
break;
}
case ShaderUtil.ShaderPropertyType.Float:
{
var value = material.GetFloat(propertyName);
switch (propertyName)
{
case "BumpScale":
arguments.BumpScale = value;
break;
case "_DetailNormalMapScale": break;
case "_DstBlend": break;
case "_GlossyReflections": break;
case "_Mode": break;
case "_SmoothnessTextureChannel": break;
case "_SpecularHighlights": break;
case "_SrcBlend": break;
case "_UVSec": break;
case "_ZWrite": break;
case "_Alpha_1":
arguments.DiffColor = new Color(arguments.DiffColor.r, arguments.DiffColor.g,
arguments.DiffColor.b, value);
break;
}
break;
}
case ShaderUtil.ShaderPropertyType.Range:
{
var value = material.GetFloat(propertyName);
switch (propertyName)
{
case "_Cutoff":
arguments.Cutoff = value;
break;
case "_GlossMapScale": break;
case "_Glossiness": break;
case "_OcclusionStrength":
arguments.OcclusionStrength = value;
break;
case "_Parallax": break;
}
break;
}
case ShaderUtil.ShaderPropertyType.TexEnv:
{
var texture = material.GetTexture(propertyName);
switch (propertyName)
{
case "_Normal":
case "_NormalMapRefraction":
case "_BumpMap":
arguments.Bump = texture;
break;
case "_DetailMask":
arguments.Detail = texture;
break;
case "_DetailNormalMap":
arguments.DetailNormal = texture;
break;
case "_Emission":
case "_EmissionMap":
arguments.Emission = texture;
break;
case "_Diffuse":
case "_Texture":
case "_MainTexture":
case "_MainTex":
arguments.Diffuse = texture;
break;
case "_OcclusionMap":
arguments.Occlusion = texture;
break;
case "_ParallaxMap":
arguments.Parallax = texture;
break;
case "_SpecGlossMap":
case "_SpecularRGBGlossA":
arguments.Specular = texture;
break;
}
break;
}
}
}
return(arguments);
}
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();
}
}
