Method progressCallbackFor

source/MRMesh/MRSceneLoad.cpp:174–192

create a progress callback for async task

    // create a progress callback for async task
    ProgressCallback progressCallbackFor( size_t index )
    {
        if ( !progressCallback )
            return {};

        return [this, index] ( float v )
        {
            float sum = .00f;
            {
#if !defined( __EMSCRIPTEN__ ) || defined( __EMSCRIPTEN_PTHREADS__ )
                std::unique_lock lock( asyncProgressMutex );
#endif
                asyncProgressMap[index] = v;
                for ( const auto& [_, v1] : asyncProgressMap )
                    sum += v1 / (float)asyncProgressMap.size();
            }
            return reportProgress( progressCallback, sum );
        };
    }
};

Expected<LoadedObjects> sLoadPath( const std::filesystem::path& path, const Settings::OpenFolder& openFolder, const ProgressCallback& callback )