public static void CopyTo(this Materials.MaterialBuilder srcMaterial, Material dstMaterial)
{
Guard.NotNull(srcMaterial, nameof(srcMaterial));
Guard.NotNull(dstMaterial, nameof(dstMaterial));
srcMaterial.ValidateForSchema2();
dstMaterial.Alpha = srcMaterial.AlphaMode.ToSchema2();
dstMaterial.AlphaCutoff = srcMaterial.AlphaCutoff;
dstMaterial.DoubleSided = srcMaterial.DoubleSided;
var hasClearCoat = srcMaterial.GetChannel("ClearCoat") != null ||
srcMaterial.GetChannel("ClearCoatRoughness") != null ||
srcMaterial.GetChannel("ClearCoatNormal") != null;
srcMaterial.CopyChannelsTo(dstMaterial, "Normal", "Occlusion", "Emissive");
Materials.MaterialBuilder defMaterial = null;
if (srcMaterial.ShaderStyle == "Unlit")
{
dstMaterial.InitializePBRMetallicRoughness();
srcMaterial.CopyChannelsTo(dstMaterial, "BaseColor");
return;
}
if (srcMaterial.ShaderStyle == "PBRMetallicRoughness")
{
if (hasClearCoat)
{
dstMaterial.InitializePBRMetallicRoughnessClearCoat();
}
else
{
dstMaterial.InitializePBRMetallicRoughness();
}
defMaterial = srcMaterial;
}
if (srcMaterial.ShaderStyle == "PBRSpecularGlossiness")
{
dstMaterial.InitializePBRSpecularGlossiness(srcMaterial.CompatibilityFallback != null);
srcMaterial.CopyChannelsTo(dstMaterial, "Diffuse", "SpecularGlossiness");
defMaterial = srcMaterial.CompatibilityFallback;
}
if (defMaterial != null)
{
if (defMaterial.ShaderStyle != "PBRMetallicRoughness")
{
throw new ArgumentException(nameof(srcMaterial.CompatibilityFallback.ShaderStyle));
}
srcMaterial.CopyChannelsTo(dstMaterial, "BaseColor", "MetallicRoughness");
srcMaterial.CopyChannelsTo(dstMaterial, "ClearCoat", "ClearCoatRoughness", "ClearCoatNormal");
}
}
