get_metadata()

std::optional< FileMetadata > MayaFlux::IO::ModelReader::get_metadata ( ) const

overridevirtual

Get metadata from the open file.

Returns

File metadata or nullopt if no file is open.

Implements MayaFlux::IO::FileReader.

Definition at line 298 of file ModelReader.cpp.

{
    if (!m_impl->scene) {
        return std::nullopt;
    }
 
    FileMetadata meta;
    meta.format = "model";
    meta.mime_type = "model/gltf-binary"; // reasonable default; format-agnostic
 
    const aiScene* s = m_impl->scene;
    meta.attributes["mesh_count"] = static_cast<uint64_t>(s->mNumMeshes);
    meta.attributes["material_count"] = static_cast<uint64_t>(s->mNumMaterials);
    meta.attributes["animation_count"] = static_cast<uint64_t>(s->mNumAnimations);
    meta.attributes["texture_count"] = static_cast<uint64_t>(s->mNumTextures);
 
    return meta;
}

References MayaFlux::IO::FileMetadata::attributes, MayaFlux::IO::FileMetadata::format, m_impl, and MayaFlux::IO::FileMetadata::mime_type.