private static IEnumerable <(SubAssetKey, TextureDescriptor)> EnumerateAllTextures(GltfData data, glTF_VRM_extensions vrm)
{
// Materials
for (var materialIdx = 0; materialIdx < data.GLTF.materials.Count; ++materialIdx)
{
var material = data.GLTF.materials[materialIdx];
var vrmMaterial = vrm.materialProperties[materialIdx];
if (vrmMaterial.shader == VRM.glTF_VRM_Material.VRM_USE_GLTFSHADER)
{
// Unlit or PBR
foreach (var kv in GltfPbrTextureImporter.EnumerateAllTextures(data, materialIdx))
{
yield return(kv);
}
}
else
{
// MToon など任意の shader
foreach (var kv in VRMMToonTextureImporter.EnumerateAllTextures(data, vrm, materialIdx))
{
yield return(kv);
}
}
}
// Thumbnail
if (TryGetThumbnailTexture(data, vrm, out var thumbnail))
{
yield return(thumbnail);
}
}
