Method CreateStreamingTask

Source/Engine/Content/Assets/ModelBase.cpp:959–1001

}

Task* ModelBase::CreateStreamingTask(int32 residency)
{
    ScopeLock lock(Locker);

    const int32 lodMax = GetLODsCount();
    ASSERT(IsInitialized() && Math::IsInRange(residency, 0, lodMax) && _streamingTask == nullptr);
    Task* result = nullptr;
    const int32 lodCount = residency - GetCurrentResidency();

    // Switch if go up or down with residency
    if (lodCount > 0)
    {
        // Allow only to change LODs count by 1
        ASSERT(Math::Abs(lodCount) == 1);

        int32 lodIndex = HighestResidentLODIndex() - 1;

        // Request LOD data
        result = (Task*)RequestLODDataAsync(lodIndex);

        // Add upload data task
        _streamingTask = New<StreamModelLODTask>(this, lodIndex);
        if (result)
            result->ContinueWith(_streamingTask);
        else
            result = _streamingTask;
    }
    else
    {
        // Do the quick data release
        Array<MeshBase*> meshes;
        for (int32 i = HighestResidentLODIndex(); i < lodMax - residency; i++)
        {
            GetMeshes(meshes, i);
            for (MeshBase* mesh : meshes)
                mesh->Release();
        }
        _loadedLODs = residency;
        ResidencyChanged();
    }

    return result;
}

void ModelBase::CancelStreamingTasks()
{