Function StreamMeshes

src/cpp/wasm/web-ifc-wasm.cpp:94–125

}

void StreamMeshes(uint32_t modelID, const std::vector<uint32_t> &expressIds, emscripten::val callback)
{
    if (!manager.IsModelOpen(modelID))
        return;
    auto geomLoader = manager.GetGeometryProcessor(modelID);
    int index = 0;
    int total = expressIds.size();

    for (const auto &id : expressIds)
    {
        // read the mesh from IFC
        webifc::geometry::IfcFlatMesh mesh = geomLoader->GetFlatMesh(id);

        // prepare the geometry data
        for (auto &geom : mesh.geometries)
        {
            auto &flatGeom = geomLoader->GetGeometry(geom.geometryExpressID);
            flatGeom.GetVertexData();
        }

        if (!mesh.geometries.empty())
        {
            // transfer control to client, geometry data is alive for the time of the callback
            callback(mesh, index, total);
        }

        // clear geometry, freeing memory, client is expected to have consumed the data
        geomLoader->Clear();

        index++;
    }
}

void StreamMeshesWithExpressID(uint32_t modelID, emscripten::val expressIdsVal, emscripten::val callback)
{