UE4-【C++】【UE4异步加载】-向日葵屋

UE4-【C++】【UE4异步加载】

心已赠人 2023-06-17 13:55 34阅读 0赞

FString sound_path = data.Sound;
FSoftObjectPath path;
path.SetPath(sound_path);
TSoftObjectPtr<USoundCue> sound;
if (path.IsValid())
    sound = Cast<USoundCue>(path.ResolveObject());
    TArray<FSoftObjectPath> Assets;
    Assets.AddUnique(path);
    ACharacter* host = UFLCharacterHelp::GetHostCharacter(GetWorld());
    URAsyncLoader::GetInstancePtr()->LoadAsyncResource(Assets, FStreamableDelegate::CreateLambda([=] {
        UGameplayStatics::PlaySoundAtLocation(host, sound.Get(), host->GetCapsuleComponent()->GetComponentLocation());
}));
void URAsyncLoader::LoadAsyncResource(TArray<FSoftObjectPath> Assets, FStreamableDelegate Callback)
{
    TArray<FSoftObjectPath> AsyncAsset;
    AsyncAsset.Reset(Assets.Num());
    for (FSoftObjectPath& objectPath : Assets)
    {
        if (!mAssets.Contains(objectPath) && !objectPath.IsNull() && !objectPath.IsSubobject())
        {
            AsyncAsset.AddUnique(objectPath);
            mAssets.AddUnique(objectPath);
        }
    }
    if (AsyncAsset.Num() > 0)
    {
        GetInstancePtr()->_StreamableManager.RequestAsyncLoad(AsyncAsset, Callback);
    }
    else
    {
        Callback.ExecuteIfBound();
    }
}