void USoundBase::PostInitProperties()
{
Super::PostInitProperties();
if (USoundBase::DefaultSoundClassObject == nullptr)
{
const FStringAssetReference DefaultSoundClassName = GetDefault<UAudioSettings>()->DefaultSoundClassName;
if (DefaultSoundClassName.IsValid())
{
USoundBase::DefaultSoundClassObject = LoadObject<USoundClass>(nullptr, *DefaultSoundClassName.ToString());
}
}
SoundClassObject = USoundBase::DefaultSoundClassObject;
if (USoundBase::DefaultSoundSubmixObject == nullptr)
{
const FStringAssetReference DefaultSoundSubmixName = GetDefault<UAudioSettings>()->DefaultSoundSubmixName;
if (DefaultSoundSubmixName.IsValid())
{
USoundBase::DefaultSoundSubmixObject = LoadObject<USoundSubmix>(nullptr, *DefaultSoundSubmixName.ToString());
}
}
SoundSubmixObject = USoundBase::DefaultSoundSubmixObject;
if (USoundBase::DefaultSoundConcurrencyObject == nullptr)
{
const FStringAssetReference DefaultSoundConcurrencyName = GetDefault<UAudioSettings>()->DefaultSoundConcurrencyName;
if (DefaultSoundConcurrencyName.IsValid())
{
USoundBase::DefaultSoundConcurrencyObject = LoadObject<USoundConcurrency>(nullptr, *DefaultSoundConcurrencyName.ToString());
}
}
SoundConcurrencySettings = USoundBase::DefaultSoundConcurrencyObject;
}
struct FStreamable* FStreamableManager::StreamInternal(FStringAssetReference const& InTargetName)
{
check(IsInGameThread());
UE_LOG(LogStreamableManager, Verbose, TEXT("Asynchronous load %s"), *InTargetName.ToString());
if (FPackageName::IsShortPackageName(InTargetName.ToString()))
{
UE_LOG(LogStreamableManager, Error, TEXT(" Can't load invalid package name %s"), *InTargetName.ToString());
return NULL;
}
FStringAssetReference TargetName = ResolveRedirects(InTargetName);
FStreamable* Existing = StreamableItems.FindRef(TargetName);
if (Existing)
{
if (Existing->bAsyncUnloadRequestOutstanding)
{
// It's valid to have a live pointer if an async loaded object was hard referenced later
check(!Existing->bAsyncLoadRequestOutstanding); // we should not be both loading and unloading
UE_LOG(LogStreamableManager, Verbose, TEXT(" Aborted unload for %s"), *TargetName.ToString());
Existing->bAsyncUnloadRequestOutstanding = false;
check(Existing->Target || Existing->bLoadFailed); // should not be an unload request unless the target is valid
return Existing;
}
if (Existing->bAsyncLoadRequestOutstanding)
{
UE_LOG(LogStreamableManager, Verbose, TEXT(" Already in progress %s"), *TargetName.ToString());
check(!Existing->bAsyncUnloadRequestOutstanding); // we should not be both loading and unloading
check(!Existing->Target); // should not be an load request unless the target is invalid
return Existing; // already have one in process
}
if (Existing->Target)
{
UE_LOG(LogStreamableManager, Verbose, TEXT(" Already Loaded %s"), *TargetName.ToString());
return Existing;
}
}
else
{
Existing = StreamableItems.Add(TargetName, new FStreamable());
}
FindInMemory(TargetName, Existing);
if (!Existing->Target)
{
FString Package = TargetName.ToString();
int32 FirstDot = Package.Find(TEXT("."));
if (FirstDot != INDEX_NONE)
{
Package = Package.Left(FirstDot);
}
Existing->bAsyncLoadRequestOutstanding = true;
LoadPackageAsync(Package,
FLoadPackageAsyncDelegate::CreateStatic(&AsyncLoadCallbackWrapper, new FCallback(TargetName, this))
);
}
return Existing;
}
void FStreamableManager::AsyncLoadCallback(FStringAssetReference Request)
{
FStringAssetReference TargetName = Request;
FStreamable* Existing = StreamableItems.FindRef(TargetName);
UE_LOG(LogStreamableManager, Verbose, TEXT("Stream Complete callback %s"), *TargetName.ToString());
if (!Existing)
{
// hmm, maybe it was redirected by a consolidate
TargetName = ResolveRedirects(TargetName);
Existing = StreamableItems.FindRef(TargetName);
}
if (Existing && Existing->bAsyncLoadRequestOutstanding)
{
Existing->bAsyncLoadRequestOutstanding = false;
if (!Existing->Target)
{
FindInMemory(TargetName, Existing);
}
CheckCompletedRequests(Request, Existing);
}
if (Existing->Target)
{
UE_LOG(LogStreamableManager, Verbose, TEXT(" Found target %s"), *Existing->Target->GetFullName());
}
else
{
// Async load failed to find the object
Existing->bLoadFailed = true;
UE_LOG(LogStreamableManager, Verbose, TEXT(" Failed async load."), *TargetName.ToString());
}
}
void UAssetObjectProperty::ExportTextItem( FString& ValueStr, const void* PropertyValue, const void* DefaultValue, UObject* Parent, int32 PortFlags, UObject* ExportRootScope ) const
{
FAssetPtr& AssetPtr = *(FAssetPtr*)PropertyValue;
FStringAssetReference ID;
UObject *Object = AssetPtr.Get();
if (Object)
{
// Use object in case name has changed.
ID = FStringAssetReference(Object);
}
else
{
ID = AssetPtr.GetUniqueID();
}
if (0 != (PortFlags & PPF_ExportCpp))
{
ValueStr += FString::Printf(TEXT("FStringAssetReference(TEXT(\"%s\"))"), *ID.ToString().ReplaceCharWithEscapedChar());
return;
}
if (!ID.ToString().IsEmpty())
{
ValueStr += ID.ToString();
}
else
{
ValueStr += TEXT("None");
}
}
void UAssetObjectProperty::ExportTextItem( FString& ValueStr, const void* PropertyValue, const void* DefaultValue, UObject* Parent, int32 PortFlags, UObject* ExportRootScope ) const
{
FAssetPtr& AssetPtr = *(FAssetPtr*)PropertyValue;
FStringAssetReference ID;
UObject *Object = AssetPtr.Get();
if (Object)
{
// Use object in case name has changed.
ID = FStringAssetReference(Object);
}
else
{
ID = AssetPtr.GetUniqueID();
}
if (!ID.ToString().IsEmpty())
{
ValueStr += ID.ToString();
}
else
{
ValueStr += TEXT("None");
}
}
UObject* FStreamableManager::GetStreamed(FStringAssetReference const& InTargetName)
{
check(IsInGameThread());
FStringAssetReference TargetName = ResolveRedirects(InTargetName);
FStreamable* Existing = StreamableItems.FindRef(TargetName);
if (Existing && Existing->Target)
{
UE_LOG(LogStreamableManager, Verbose, TEXT("GetStreamed %s -> %s"), *TargetName.ToString(), *Existing->Target->GetFullName());
return Existing->Target;
}
UE_LOG(LogStreamableManager, Verbose, TEXT("GetStreamed %s -> NULL"), *TargetName.ToString());
return NULL;
}
bool FStreamableManager::IsAsyncLoadComplete(FStringAssetReference const& InTargetName)
{
check(IsInGameThread());
FStringAssetReference TargetName = ResolveRedirects(InTargetName);
FStreamable* Existing = StreamableItems.FindRef(TargetName);
UE_LOG(LogStreamableManager, Verbose, TEXT("IsStreamComplete %s -> %d"), *TargetName.ToString(), !Existing || !Existing->bAsyncLoadRequestOutstanding);
return !Existing || !Existing->bAsyncLoadRequestOutstanding;
}
void USoundBase::PostInitProperties()
{
Super::PostInitProperties();
const FStringAssetReference DefaultSoundClassName = GetDefault<UAudioSettings>()->DefaultSoundClassName;
if (DefaultSoundClassName.IsValid())
{
SoundClassObject = LoadObject<USoundClass>(NULL, *DefaultSoundClassName.ToString());
}
}
FStringAssetReference FStreamableManager::ResolveRedirects(FStringAssetReference const& Target) const
{
FStringAssetReference const* Redir = StreamableRedirects.Find(Target);
if (Redir)
{
check(Target != *Redir);
UE_LOG(LogStreamableManager, Verbose, TEXT("Redirected %s -> %s"), *Target.ToString(), *Redir->ToString());
return *Redir;
}
return Target;
}
// Backwards compat for map strings
void FixMapAssetRef(FStringAssetReference& MapAssetReference)
{
const FString AssetRefStr = MapAssetReference.ToString();
int32 DummyIndex;
if (!AssetRefStr.IsEmpty() && !AssetRefStr.FindLastChar(TEXT('.'), DummyIndex))
{
FString MapName, MapPath;
AssetRefStr.Split(TEXT("/"), &MapPath, &MapName, ESearchCase::IgnoreCase, ESearchDir::FromEnd);
MapAssetReference.SetPath(FString::Printf(TEXT("%s/%s.%s"),*MapPath, *MapName, *MapName));
}
};
void FStreamableManager::FindInMemory(FStringAssetReference& InOutTargetName, struct FStreamable* Existing)
{
check(Existing);
check(!Existing->bAsyncUnloadRequestOutstanding);
check(!Existing->bAsyncLoadRequestOutstanding);
UE_LOG(LogStreamableManager, Verbose, TEXT(" Searching in memory for %s"), *InOutTargetName.ToString());
Existing->Target = StaticFindObject(UObject::StaticClass(), NULL, *InOutTargetName.ToString());
UObjectRedirector* Redir = Cast<UObjectRedirector>(Existing->Target);
if (Redir)
{
Existing->Target = Redir->DestinationObject;
UE_LOG(LogStreamableManager, Verbose, TEXT(" Found redirect %s"), *Redir->GetFullName());
if (!Existing->Target)
{
Existing->bLoadFailed = true;
UE_LOG(LogStreamableManager, Warning, TEXT("Destination of redirector was not found %s -> %s."), *InOutTargetName.ToString(), *Redir->GetFullName());
}
else
{
UE_LOG(LogStreamableManager, Verbose, TEXT(" Redirect to %s"), *Redir->DestinationObject->GetFullName());
}
}
if (Existing->Target)
{
FStringAssetReference PossiblyNewName(Existing->Target->GetPathName());
if (InOutTargetName != PossiblyNewName)
{
UE_LOG(LogStreamableManager, Verbose, TEXT(" Name changed to %s"), *PossiblyNewName.ToString());
StreamableRedirects.Add(InOutTargetName, PossiblyNewName);
StreamableItems.Add(PossiblyNewName, Existing);
StreamableItems.Remove(InOutTargetName);
InOutTargetName = PossiblyNewName; // we are done with the old name
}
UE_LOG(LogStreamableManager, Verbose, TEXT(" Found in memory %s"), *Existing->Target->GetFullName());
Existing->bLoadFailed = false;
}
}
void FStreamableManager::Unload(FStringAssetReference const& InTargetName)
{
check(IsInGameThread());
FStringAssetReference TargetName = ResolveRedirects(InTargetName);
FStreamable* Existing = StreamableItems.FindRef(TargetName);
if (Existing)
{
UE_LOG(LogStreamableManager, Verbose, TEXT("Unload %s"), *TargetName.ToString());
Existing->bAsyncLoadRequestOutstanding = false;
Existing->bAsyncUnloadRequestOutstanding = true;
}
else
{
UE_LOG(LogStreamableManager, Verbose, TEXT("Attempt to unload %s, but it isn't loaded"), *TargetName.ToString());
}
}
void FPaperJsonSpriteSheetImporter::SetReimportData(const TArray<FString>& ExistingSpriteNames, const TArray< TAssetPtr<class UPaperSprite> >& ExistingSpriteAssetPtrs)
{
check(ExistingSpriteNames.Num() == ExistingSpriteAssetPtrs.Num());
if (ExistingSpriteNames.Num() == ExistingSpriteAssetPtrs.Num())
{
for (int i = 0; i < ExistingSpriteAssetPtrs.Num(); ++i)
{
const TAssetPtr<class UPaperSprite> SpriteAssetPtr = ExistingSpriteAssetPtrs[i];
FStringAssetReference SpriteStringRef = SpriteAssetPtr.ToStringReference();
if (!SpriteStringRef.ToString().IsEmpty())
{
UPaperSprite* LoadedSprite = Cast<UPaperSprite>(StaticLoadObject(UPaperSprite::StaticClass(), nullptr, *SpriteStringRef.ToString(), nullptr, LOAD_None, nullptr));
if (LoadedSprite != nullptr)
{
ExistingSprites.Add(ExistingSpriteNames[i], LoadedSprite);
}
}
}
}
bIsReimporting = true;
}
USkeletalMesh* UAnimationAsset::GetPreviewMesh()
{
USkeletalMesh* PreviewMesh = PreviewSkeletalMesh.Get();
if(!PreviewMesh)
{
// if preview mesh isn't loaded, see if we have set
FStringAssetReference PreviewMeshStringRef = PreviewSkeletalMesh.ToStringReference();
// load it since now is the time to load
if(!PreviewMeshStringRef.ToString().IsEmpty())
{
PreviewMesh = Cast<USkeletalMesh>(StaticLoadObject(USkeletalMesh::StaticClass(), NULL, *PreviewMeshStringRef.ToString(), NULL, LOAD_None, NULL));
// if somehow skeleton changes, just nullify it.
if (PreviewMesh && PreviewMesh->Skeleton != Skeleton)
{
PreviewMesh = NULL;
SetPreviewMesh(NULL);
}
}
}
return PreviewMesh;
}
USkeletalMesh* USkeleton::GetPreviewMesh(bool bFindIfNotSet)
{
USkeletalMesh* PreviewMesh = PreviewSkeletalMesh.Get();
if(!PreviewMesh)
{
// if preview mesh isn't loaded, see if we have set
FStringAssetReference PreviewMeshStringRef = PreviewSkeletalMesh.ToStringReference();
// load it since now is the time to load
if (!PreviewMeshStringRef.ToString().IsEmpty())
{
PreviewMesh = Cast<USkeletalMesh>(StaticLoadObject(USkeletalMesh::StaticClass(), NULL, *PreviewMeshStringRef.ToString(), NULL, LOAD_None, NULL));
}
// if not existing, and if bFindIfNotExisting is true, then try find one
if (!PreviewMesh && bFindIfNotSet)
{
FARFilter Filter;
Filter.ClassNames.Add(USkeletalMesh::StaticClass()->GetFName());
FString SkeletonString = FAssetData(this).GetExportTextName();
Filter.TagsAndValues.Add(GET_MEMBER_NAME_CHECKED(USkeletalMesh, Skeleton), SkeletonString);
TArray<FAssetData> AssetList;
FAssetRegistryModule& AssetRegistryModule = FModuleManager::LoadModuleChecked<FAssetRegistryModule>(TEXT("AssetRegistry"));
AssetRegistryModule.Get().GetAssets(Filter, AssetList);
if(AssetList.Num() > 0)
{
SetPreviewMesh( Cast<USkeletalMesh>(AssetList[0].GetAsset()), false );
// update PreviewMesh
PreviewMesh = PreviewSkeletalMesh.Get();
}
}
}
return PreviewMesh;
}
UAudioComponent* CreateVoiceAudioComponent(uint32 SampleRate)
{
UAudioComponent* AudioComponent = nullptr;
if (GEngine != nullptr)
{
if (FAudioDevice* AudioDevice = GEngine->GetMainAudioDevice())
{
USoundWaveProcedural* SoundStreaming = NewObject<USoundWaveProcedural>();
SoundStreaming->SampleRate = SampleRate;
SoundStreaming->NumChannels = 1;
SoundStreaming->Duration = INDEFINITELY_LOOPING_DURATION;
SoundStreaming->SoundGroup = SOUNDGROUP_Voice;
SoundStreaming->bLooping = false;
AudioComponent = AudioDevice->CreateComponent(SoundStreaming, nullptr, nullptr, false);
if (AudioComponent)
{
AudioComponent->bIsUISound = true;
AudioComponent->bAllowSpatialization = false;
AudioComponent->SetVolumeMultiplier(1.5f);
const FStringAssetReference VoiPSoundClassName = GetDefault<UAudioSettings>()->VoiPSoundClass;
if (VoiPSoundClassName.IsValid())
{
AudioComponent->SoundClassOverride = LoadObject<USoundClass>(nullptr, *VoiPSoundClassName.ToString());
}
}
else
{
UE_LOG(LogVoiceDecode, Warning, TEXT("Unable to create voice audio component!"));
}
}
}
return AudioComponent;
}
void FPaperSpriteSheetAssetTypeActions::ExecuteCreateFlipbooks(TArray<TWeakObjectPtr<UPaperSpriteSheet>> Objects)
{
for (int SpriteSheetIndex = 0; SpriteSheetIndex < Objects.Num(); ++SpriteSheetIndex)
{
UPaperSpriteSheet* SpriteSheet = Objects[SpriteSheetIndex].Get();
if (SpriteSheet != nullptr)
{
const FString PackagePath = FPackageName::GetLongPackagePath(SpriteSheet->GetOutermost()->GetPathName());
FAssetToolsModule& AssetToolsModule = FModuleManager::GetModuleChecked<FAssetToolsModule>("AssetTools");
FContentBrowserModule& ContentBrowserModule = FModuleManager::LoadModuleChecked<FContentBrowserModule>("ContentBrowser");
check(SpriteSheet->SpriteNames.Num() == SpriteSheet->Sprites.Num());
bool useSpriteNames = (SpriteSheet->SpriteNames.Num() == SpriteSheet->Sprites.Num());
// Create a list of sprites and sprite names to feed into paper flipbook helpers
TMap<FString, TArray<UPaperSprite*> > SpriteFlipbookMap;
{
TArray<UPaperSprite*> Sprites;
TArray<FString> SpriteNames;
for (int SpriteIndex = 0; SpriteIndex < SpriteSheet->Sprites.Num(); ++SpriteIndex)
{
auto SpriteAssetPtr = SpriteSheet->Sprites[SpriteIndex];
FStringAssetReference SpriteStringRef = SpriteAssetPtr.ToStringReference();
UPaperSprite* Sprite = nullptr;
if (!SpriteStringRef.ToString().IsEmpty())
{
Sprite = Cast<UPaperSprite>(StaticLoadObject(UPaperSprite::StaticClass(), nullptr, *SpriteStringRef.ToString(), nullptr, LOAD_None, nullptr));
}
if (Sprite != nullptr)
{
const FString SpriteName = useSpriteNames ? SpriteSheet->SpriteNames[SpriteIndex] : Sprite->GetName();
Sprites.Add(Sprite);
SpriteNames.Add(SpriteName);
}
}
FPaperFlipbookHelpers::ExtractFlipbooksFromSprites(/*out*/ SpriteFlipbookMap, Sprites, SpriteNames);
}
// Create one flipbook for every grouped flipbook name
if (SpriteFlipbookMap.Num() > 0)
{
UPaperFlipbookFactory* FlipbookFactory = NewObject<UPaperFlipbookFactory>();
GWarn->BeginSlowTask(NSLOCTEXT("Paper2D", "Paper2D_CreateFlipbooks", "Creating flipbooks from selection"), true, true);
int Progress = 0;
int TotalProgress = SpriteFlipbookMap.Num();
TArray<UObject*> ObjectsToSync;
for (auto It : SpriteFlipbookMap)
{
GWarn->UpdateProgress(Progress++, TotalProgress);
const FString& FlipbookName = It.Key;
TArray<UPaperSprite*>& Sprites = It.Value;
const FString TentativePackagePath = PackageTools::SanitizePackageName(PackagePath + TEXT("/") + FlipbookName);
FString DefaultSuffix;
FString AssetName;
FString PackageName;
AssetToolsModule.Get().CreateUniqueAssetName(TentativePackagePath, DefaultSuffix, /*out*/ PackageName, /*out*/ AssetName);
FlipbookFactory->KeyFrames.Empty();
for (int32 SpriteIndex = 0; SpriteIndex < Sprites.Num(); ++SpriteIndex)
{
FPaperFlipbookKeyFrame* KeyFrame = new (FlipbookFactory->KeyFrames) FPaperFlipbookKeyFrame();
KeyFrame->Sprite = Sprites[SpriteIndex];
KeyFrame->FrameRun = 1;
}
if (UObject* NewAsset = AssetToolsModule.Get().CreateAsset(AssetName, PackagePath, UPaperFlipbook::StaticClass(), FlipbookFactory))
{
ObjectsToSync.Add(NewAsset);
}
if (GWarn->ReceivedUserCancel())
{
break;
}
}
GWarn->EndSlowTask();
if (ObjectsToSync.Num() > 0)
{
ContentBrowserModule.Get().SyncBrowserToAssets(ObjectsToSync);
}
}
}
}
}
bool FStringAssetReference::operator==(FStringAssetReference const& Other) const
{
return ToString() == Other.ToString();
}
void FStringAssetReference::operator=(FStringAssetReference const& Other)
{
SetPath(Other.ToString());
}
UObject* FStreamableManager::SynchronousLoad(FStringAssetReference const& InTargetName)
{
UE_LOG(LogStreamableManager, Verbose, TEXT("Synchronous load %s"), *InTargetName.ToString());
if (FPackageName::IsShortPackageName(InTargetName.ToString()))
{
UE_LOG(LogStreamableManager, Error, TEXT(" Can't load invalid package name %s"), *InTargetName.ToString());
return NULL;
}
FStringAssetReference TargetName = ResolveRedirects(InTargetName);
FStreamable* Existing = StreamableItems.FindRef(TargetName);
while (Existing && Existing->bAsyncLoadRequestOutstanding)
{
UE_LOG(LogStreamableManager, Verbose, TEXT(" Flushing async load for %s"), *TargetName.ToString());
check(!Existing->bAsyncUnloadRequestOutstanding); // we should not be both loading and unloading
FlushAsyncLoading();
// the async request might have found a redirect and retried
TargetName = ResolveRedirects(TargetName);
Existing = StreamableItems.FindRef(TargetName);
}
if (!Existing)
{
Existing = StreamableItems.Add(TargetName, new FStreamable());
}
check(!Existing->bAsyncLoadRequestOutstanding); // should have already dealt with this
if (Existing->bAsyncUnloadRequestOutstanding)
{
check(!Existing->bAsyncLoadRequestOutstanding); // we should not be both loading and unloading
UE_LOG(LogStreamableManager, Verbose, TEXT(" Aborted unload for %s"), *TargetName.ToString());
Existing->bAsyncUnloadRequestOutstanding = false;
}
check(!Existing->bAsyncUnloadRequestOutstanding); // should have already dealt with this
check(!Existing->WeakTarget.Get()); // weak target is only valid during GC
if (!Existing->Target)
{
UE_LOG(LogStreamableManager, Verbose, TEXT(" Static loading %s"), *TargetName.ToString());
Existing->Target = StaticLoadObject(UObject::StaticClass(), NULL, *TargetName.ToString());
// need to manually detect redirectors because the above call only expects to load a UObject::StaticClass() type
while (UObjectRedirector* Redirector = Cast<UObjectRedirector>(Existing->Target))
{
Existing->Target = Redirector->DestinationObject;
}
if (Existing->Target)
{
UE_LOG(LogStreamableManager, Verbose, TEXT(" Static loaded %s"), *Existing->Target->GetFullName());
FStringAssetReference PossiblyNewName(Existing->Target->GetPathName());
if (PossiblyNewName != TargetName)
{
UE_LOG(LogStreamableManager, Verbose, TEXT(" Which redirected to %s"), *PossiblyNewName.ToString());
StreamableRedirects.Add(TargetName, PossiblyNewName);
StreamableItems.Add(PossiblyNewName, Existing);
StreamableItems.Remove(TargetName);
TargetName = PossiblyNewName; // we are done with the old name
}
}
else
{
Existing->bLoadFailed = true;
UE_LOG(LogStreamableManager, Log, TEXT("Failed attempt to load %s"), *TargetName.ToString());
}
}
else
{
Existing->bLoadFailed = false;
}
return Existing->Target;
}