private MaterialId ExportMaterial(UnityEngine.Material materialObj)
{
var id = _root.GetMaterialId(materialObj);
if (id != null)
{
return(id);
}
var material = new Material();
if (ExportNames)
{
material.Name = materialObj.name;
}
if (materialObj.HasProperty("_Cutoff"))
{
material.AlphaCutoff = materialObj.GetFloat("_Cutoff");
}
switch (materialObj.GetTag("RenderType", false, ""))
{
case "TransparentCutout":
material.AlphaMode = AlphaMode.MASK;
break;
case "Transparent":
material.AlphaMode = AlphaMode.BLEND;
break;
default:
material.AlphaMode = AlphaMode.OPAQUE;
break;
}
material.DoubleSided = materialObj.HasProperty("_Cull") &&
materialObj.GetInt("_Cull") == (float)UnityEngine.Rendering.CullMode.Off;
if (materialObj.HasProperty("_EmissionColor"))
{
material.EmissiveFactor = materialObj.GetColor("_EmissionColor");
}
if (materialObj.HasProperty("_EmissionMap"))
{
var emissionTex = materialObj.GetTexture("_EmissionMap");
if (emissionTex != null)
{
material.EmissiveTexture = ExportTextureInfo(emissionTex);
}
}
if (materialObj.HasProperty("_BumpMap"))
{
var normalTex = materialObj.GetTexture("_BumpMap");
if (normalTex != null)
{
material.NormalTexture = ExportNormalTextureInfo(normalTex, materialObj);
}
}
if (materialObj.HasProperty("_OcclusionMap"))
{
var occTex = materialObj.GetTexture("_OcclusionMap");
if (occTex != null)
{
material.OcclusionTexture = ExportOcclusionTextureInfo(occTex, materialObj);
}
}
switch (materialObj.shader.name)
{
case "Standard":
case "GLTF/GLTFStandard":
material.PbrMetallicRoughness = ExportPBRMetallicRoughness(materialObj);
break;
case "GLTF/GLTFConstant":
material.CommonConstant = ExportCommonConstant(materialObj);
break;
}
material.ContentsWithoutVC = materialObj;
id = new MaterialId {
Id = _root.Materials.Count,
Root = _root
};
_root.Materials.Add(material);
return(id);
}
