Method Tick

Source/Engine/Content/Storage/FlaxStorage.cpp:1507–1543

}

void FlaxStorage::Tick(double time)
{
    // Skip if file is in use
    if (Platform::AtomicRead(&_chunksLock) != 0)
        return;

    bool wasAnyUsed = false;
    const float unusedDataChunksLifetime = ContentStorageManager::UnusedDataChunksLifetime.GetTotalSeconds();
    for (int32 i = 0; i < _chunks.Count(); i++)
    {
        auto chunk = _chunks.Get()[i];
        const bool wasUsed = (time - chunk->LastAccessTime) < unusedDataChunksLifetime;
        if (!wasUsed && 
            chunk->IsLoaded() && 
            EnumHasNoneFlags(chunk->Flags, FlaxChunkFlags::KeepInMemory) && 
            Platform::AtomicRead(&chunk->IsLoading) == 0)
        {
            // Guard the unloading so if other thread wants to lock the chunks will need to wait for this to end
            Platform::InterlockedIncrement(&_isUnloadingData);
            if (Platform::AtomicRead(&_chunksLock) != 0 || Platform::AtomicRead(&chunk->IsLoading) != 0)
            {
                // Someone started loading so skip ticking
                Platform::InterlockedDecrement(&_isUnloadingData);
                return;
            }
            chunk->Unload();
            Platform::InterlockedDecrement(&_isUnloadingData);
        }
        wasAnyUsed |= wasUsed;
    }

    // Release file handles in none of chunks is in use
    if (!wasAnyUsed && Platform::AtomicRead(&_chunksLock) == 0)
    {
        CloseFileHandles();
    }
}

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