Method onLoad

Source/Engine/Content/Asset.cpp:605–666

}

bool Asset::onLoad(LoadAssetTask* task)
{
    // It may fail when task is cancelled and new one was created later (don't crash but just end with an error)
    if (task->Asset.Get() != this || Platform::AtomicRead(&_loadingTask) == 0)
        return true;
    LogContextScope logContext(GetID());

    Locker.Lock();

    // Load asset
    LoadResult result;
#if USE_EDITOR
    auto& deprecatedFlag = ContentDeprecatedFlags.Get();
    bool prevDeprecated = deprecatedFlag;
    deprecatedFlag = false;
#endif
    {
        PROFILE_CPU_ASSET(this);
        result = loadAsset();
    }
    const bool isLoaded = result == LoadResult::Ok;
    const bool failed = !isLoaded;
#if USE_EDITOR
    const bool isDeprecated = deprecatedFlag;
    deprecatedFlag = prevDeprecated;
#endif
    Platform::AtomicStore(&_loadState, (int64)(isLoaded ? LoadState::Loaded : LoadState::LoadFailed));
    if (failed)
    {
        LOG(Error, "Loading asset \'{0}\' result: {1}.", ToString(), ToString(result));
    }

    // Unlink task
    Platform::AtomicStore(&_loadingTask, 0);
    ASSERT(failed || IsLoaded() == isLoaded);

    Locker.Unlock();

    // Send event
    if (isLoaded)
    {
        // Register event `OnLoaded` invoke on main thread
        // We don't want to fire it here because current thread is content loader.
        // This allows to reduce mutexes and locks (max one frame delay isn't hurting but provides more safety)
        Content::onAssetLoaded(this);
    }
    
#if USE_EDITOR
    // Auto-save deprecated assets to get rid of data in an old format
    if (isDeprecated && isLoaded && !IsVirtual() && !GetPath().StartsWith(StringUtils::GetDirectoryName(Globals::TemporaryFolder)))
    {
        PROFILE_CPU_NAMED("Asset.Save");
        LOG(Info, "Resaving asset '{}' that uses deprecated data format", ToString());
        if (Save())
        {
            LOG(Error, "Failed to resave asset '{}'", ToString());
        }
    }