Files
UnrealEngine/Engine/Plugins/Runtime/Metasound/Source/MetasoundFrontend/Private/MetasoundAssetBase.cpp
2025-05-18 13:04:45 +08:00

995 lines
32 KiB
C++

// Copyright Epic Games, Inc. All Rights Reserved.
#include "MetasoundAssetBase.h"
#include "Algo/AnyOf.h"
#include "Algo/Copy.h"
#include "Algo/ForEach.h"
#include "Algo/Transform.h"
#include "Containers/Set.h"
#include "HAL/FileManager.h"
#include "HAL/IConsoleManager.h"
#include "IAudioParameterTransmitter.h"
#include "Interfaces/MetasoundFrontendInterface.h"
#include "Interfaces/MetasoundFrontendInterfaceRegistry.h"
#include "Internationalization/Text.h"
#include "IStructSerializerBackend.h"
#include "Logging/LogMacros.h"
#include "MetasoundAssetManager.h"
#include "MetasoundDocumentInterface.h"
#include "MetasoundFrontendController.h"
#include "MetasoundFrontendDocument.h"
#include "MetasoundFrontendDocumentBuilder.h"
#include "MetasoundFrontendDocumentIdGenerator.h"
#include "MetasoundFrontendDocumentVersioning.h"
#include "MetasoundFrontendNodeClassRegistry.h"
#include "MetasoundFrontendNodeClassRegistryPrivate.h"
#include "MetasoundFrontendNodeTemplateRegistry.h"
#include "MetasoundFrontendProxyDataCache.h"
#include "MetasoundFrontendRegistries.h"
#include "MetasoundFrontendSearchEngine.h"
#include "MetasoundFrontendTransform.h"
#include "MetasoundGlobals.h"
#include "MetasoundGraph.h"
#include "MetasoundJsonBackend.h"
#include "MetasoundLog.h"
#include "MetasoundParameterPack.h"
#include "MetasoundParameterTransmitter.h"
#include "MetasoundTrace.h"
#include "MetasoundVertex.h"
#include "StructSerializer.h"
#include "Templates/SharedPointer.h"
#include "UObject/MetaData.h"
#define LOCTEXT_NAMESPACE "MetaSound"
namespace Metasound
{
namespace Frontend
{
namespace AssetBasePrivate
{
// Zero values means, that these don't do anything.
static float BlockRateOverride = 0;
static int32 SampleRateOverride = 0;
void DepthFirstTraversal(const FMetasoundAssetBase& InInitAsset, TFunctionRef<TSet<const FMetasoundAssetBase*>(const FMetasoundAssetBase&)> InVisitFunction)
{
// Non recursive depth first traversal.
TArray<const FMetasoundAssetBase*> Stack({ &InInitAsset });
TSet<const FMetasoundAssetBase*> Visited;
while (!Stack.IsEmpty())
{
const FMetasoundAssetBase* CurrentNode = Stack.Pop();
if (!Visited.Contains(CurrentNode))
{
TArray<const FMetasoundAssetBase*> Children = InVisitFunction(*CurrentNode).Array();
Stack.Append(Children);
Visited.Add(CurrentNode);
}
}
}
// Registers node by copying document. Updates to document require re-registration.
// This registry entry does not support node creation as it is only intended to be
// used when serializing MetaSounds in contexts not requiring any runtime model to
// be generated (ex. cooking commandlets that don't play or are validating MetaSounds, etc.).
class FDocumentNodeRegistryEntryForSerialization : public INodeClassRegistryEntry
{
public:
FDocumentNodeRegistryEntryForSerialization(const FMetasoundFrontendDocument& InDocument, const FTopLevelAssetPath& InAssetPath)
: Interfaces(InDocument.Interfaces)
, FrontendClass(InDocument.RootGraph)
, ClassInfo(InDocument.RootGraph)
, AssetPath(InAssetPath)
{
// Copy FrontendClass to preserve original document.
FrontendClass.Metadata.SetType(EMetasoundFrontendClassType::External);
}
FDocumentNodeRegistryEntryForSerialization(const FDocumentNodeRegistryEntryForSerialization& InOther) = default;
virtual ~FDocumentNodeRegistryEntryForSerialization() = default;
virtual const FNodeClassInfo& GetClassInfo() const override
{
return ClassInfo;
}
virtual TUniquePtr<INode> CreateNode(const FNodeInitData&) const override { return nullptr; }
virtual TUniquePtr<INode> CreateNode(FNodeData) const override { return nullptr; }
virtual const FMetasoundFrontendClass& GetFrontendClass() const override
{
return FrontendClass;
}
virtual const TSet<FMetasoundFrontendVersion>* GetImplementedInterfaces() const override
{
return &Interfaces;
}
virtual FVertexInterface GetDefaultVertexInterface() const override
{
UE_LOG(LogMetaSound, Warning, TEXT("Proxy data is not available for non runtime node %s only used for serialization, so interface will not include object literals. Please ensure calling this function is intended."), *FrontendClass.Metadata.GetClassName().ToString())
return CreateDefaultVertexInterfaceFromClassNoProxy(FrontendClass);
}
virtual TInstancedStruct<FMetaSoundFrontendNodeConfiguration> CreateFrontendNodeConfiguration() const override
{
// Document nodes do not currently support node configuration.
return TInstancedStruct<FMetaSoundFrontendNodeConfiguration>();
}
private:
TSet<FMetasoundFrontendVersion> Interfaces;
FMetasoundFrontendClass FrontendClass;
FNodeClassInfo ClassInfo;
FTopLevelAssetPath AssetPath;
};
void GetUpdatePathForDocument(const FMetasoundFrontendVersion& InCurrentVersion, const FMetasoundFrontendVersion& InTargetVersion, TArray<const IInterfaceRegistryEntry*>& OutUpgradePath)
{
if (InCurrentVersion.Name == InTargetVersion.Name)
{
// Get all associated registered interfaces
TArray<FMetasoundFrontendVersion> RegisteredVersions = ISearchEngine::Get().FindAllRegisteredInterfacesWithName(InTargetVersion.Name);
// Filter registry entries that exist between current version and target version
auto FilterRegistryEntries = [&InCurrentVersion, &InTargetVersion](const FMetasoundFrontendVersion& InVersion)
{
const bool bIsGreaterThanCurrent = InVersion.Number > InCurrentVersion.Number;
const bool bIsLessThanOrEqualToTarget = InVersion.Number <= InTargetVersion.Number;
return bIsGreaterThanCurrent && bIsLessThanOrEqualToTarget;
};
RegisteredVersions = RegisteredVersions.FilterByPredicate(FilterRegistryEntries);
// sort registry entries to create an ordered upgrade path.
RegisteredVersions.Sort();
// Get registry entries from registry keys.
auto GetRegistryEntry = [](const FMetasoundFrontendVersion& InVersion)
{
FInterfaceRegistryKey Key = GetInterfaceRegistryKey(InVersion);
return IInterfaceRegistry::Get().FindInterfaceRegistryEntry(Key);
};
Algo::Transform(RegisteredVersions, OutUpgradePath, GetRegistryEntry);
}
}
bool UpdateDocumentInterface(const TArray<const IInterfaceRegistryEntry*>& InUpgradePath, const FMetasoundFrontendVersion& InterfaceVersion, FMetaSoundFrontendDocumentBuilder& Builder)
{
const FMetasoundFrontendVersionNumber* LastVersionUpdated = nullptr;
for (const IInterfaceRegistryEntry* Entry : InUpgradePath)
{
if (ensure(nullptr != Entry))
{
if (Entry->UpdateRootGraphInterface(Builder))
{
LastVersionUpdated = &Entry->GetInterface().Metadata.Version.Number;
}
}
}
if (LastVersionUpdated)
{
const FMetasoundFrontendClassMetadata& Metadata = Builder.GetMetasoundAsset().GetDocumentChecked().RootGraph.Metadata;
#if WITH_EDITOR
const FString AssetName = *Metadata.GetDisplayName().ToString();
#else
const FString AssetName = *Metadata.GetClassName().ToString();
#endif // !WITH_EDITOR
UE_LOG(LogMetaSound, Display, TEXT("Asset '%s' interface '%s' updated: '%s' --> '%s'"),
*AssetName,
*InterfaceVersion.Name.ToString(),
*InterfaceVersion.Number.ToString(),
*LastVersionUpdated->ToString());
return true;
}
return false;
}
} // namespace AssetBasePrivate
FConsoleVariableMulticastDelegate CVarMetaSoundBlockRateChanged;
FAutoConsoleVariableRef CVarMetaSoundBlockRate(
TEXT("au.MetaSound.BlockRate"),
AssetBasePrivate::BlockRateOverride,
TEXT("Sets block rate (blocks per second) of MetaSounds.\n")
TEXT("Default: 100.0f, Min: 1.0f, Max: 1000.0f"),
FConsoleVariableDelegate::CreateLambda([](IConsoleVariable* Var) { CVarMetaSoundBlockRateChanged.Broadcast(Var); }),
ECVF_Default);
FConsoleVariableMulticastDelegate CVarMetaSoundSampleRateChanged;
FAutoConsoleVariableRef CVarMetaSoundSampleRate(
TEXT("au.MetaSound.SampleRate"),
AssetBasePrivate::SampleRateOverride,
TEXT("Overrides the sample rate of metasounds. Negative values default to audio mixer sample rate.\n")
TEXT("Default: 0, Min: 8000, Max: 48000"),
FConsoleVariableDelegate::CreateLambda([](IConsoleVariable* Var) { CVarMetaSoundSampleRateChanged.Broadcast(Var); }),
ECVF_Default);
float GetBlockRateOverride()
{
if(AssetBasePrivate::BlockRateOverride > 0)
{
return FMath::Clamp(AssetBasePrivate::BlockRateOverride,
GetBlockRateClampRange().GetLowerBoundValue(),
GetBlockRateClampRange().GetUpperBoundValue()
);
}
return AssetBasePrivate::BlockRateOverride;
}
FConsoleVariableMulticastDelegate& GetBlockRateOverrideChangedDelegate()
{
return CVarMetaSoundBlockRateChanged;
}
int32 GetSampleRateOverride()
{
if (AssetBasePrivate::SampleRateOverride > 0)
{
return FMath::Clamp(AssetBasePrivate::SampleRateOverride,
GetSampleRateClampRange().GetLowerBoundValue(),
GetSampleRateClampRange().GetUpperBoundValue()
);
}
return AssetBasePrivate::SampleRateOverride;
}
FConsoleVariableMulticastDelegate& GetSampleRateOverrideChangedDelegate()
{
return CVarMetaSoundSampleRateChanged;
}
TRange<float> GetBlockRateClampRange()
{
return TRange<float>(1.f,1000.f);
}
TRange<int32> GetSampleRateClampRange()
{
return TRange<int32>(8000, 96000);
}
} // namespace Frontend
} // namespace Metasound
const FString FMetasoundAssetBase::FileExtension(TEXT(".metasound"));
bool FMetasoundAssetBase::ConformObjectDataToInterfaces()
{
return false;
}
TSharedPtr<Audio::IProxyData> FMetasoundAssetBase::CreateProxyData(const Audio::FProxyDataInitParams& InitParams)
{
using namespace Metasound::Frontend;
TScriptInterface<const IMetaSoundDocumentInterface> DocInterface = GetOwningAsset();
const FGraphRegistryKey& Key = GetGraphRegistryKey();
FMetasoundAssetProxy::FParameters Args;
Args.Interfaces = DocInterface->GetConstDocument().Interfaces;
Args.Graph = FMetasoundFrontendRegistryContainer::Get()->GetGraph(Key);
if (Args.Graph.IsValid())
{
return MakeShared<FMetasoundAssetProxy>(Args);
}
return nullptr;
}
void FMetasoundAssetBase::RegisterGraphWithFrontend(Metasound::Frontend::FMetaSoundAssetRegistrationOptions InRegistrationOptions)
{
UpdateAndRegisterForExecution(MoveTemp(InRegistrationOptions));
}
void FMetasoundAssetBase::UpdateAndRegisterForExecution(Metasound::Frontend::FMetaSoundAssetRegistrationOptions InRegistrationOptions)
{
using namespace Metasound;
using namespace Metasound::Frontend;
// Graph registration must only happen on one thread to avoid race conditions on graph registration.
checkf(IsInGameThread(), TEXT("MetaSound %s graph can only be registered on the GameThread"), *GetOwningAssetName());
checkf(Metasound::CanEverExecuteGraph(), TEXT("Cannot generate proxies/runtime graph when graph execution is not enabled."));
METASOUND_TRACE_CPUPROFILER_EVENT_SCOPE(MetaSoundAssetBase::UpdateAndRegisterForExecution);
METASOUND_TRACE_CPUPROFILER_EVENT_SCOPE_TEXT(*FString::Printf(TEXT("MetaSoundAssetBase::UpdateAndRegisterForExecution asset %s"), *this->GetOwningAssetName()));
if (!InRegistrationOptions.bForceReregister)
{
if (IsRegistered())
{
return;
}
}
#if WITH_EDITOR
FMetaSoundFrontendDocumentBuilder* DocBuilder = nullptr;
if (InRegistrationOptions.bRebuildReferencedAssetClasses)
{
RebuildReferencedAssetClasses();
}
#endif // WITH_EDITOR
if (InRegistrationOptions.bRegisterDependencies)
{
RegisterAssetDependencies(InRegistrationOptions);
}
UObject* Owner = GetOwningAsset();
check(Owner);
// This should not be necessary as it should be added on asset load,
// but currently registration is required to be called prior to adding
// an object-defined graph class to the registry so it was placed here.
IMetaSoundAssetManager::GetChecked().AddOrUpdateFromObject(*Owner);
// Auto update must be done after all referenced asset classes are registered
if (InRegistrationOptions.bAutoUpdate)
{
#if WITH_EDITORONLY_DATA
bool bDidUpdate = false;
// Only attempt asset versioning if owner is asset (dependency versioning on runtime MetaSound instances isn't supported nor necessary).
if (Owner->IsAsset())
{
DocBuilder = &IDocumentBuilderRegistry::GetChecked().FindOrBeginBuilding(Owner);
VersionDependencies(*DocBuilder, InRegistrationOptions.bAutoUpdateLogWarningOnDroppedConnection);
}
#else // !WITH_EDITORONLY_DATA
constexpr bool bDidUpdate = false;
#endif // WITH_EDITORONLY_DATA
#if WITH_EDITOR
if (bDidUpdate || InRegistrationOptions.bForceViewSynchronization)
{
GetModifyContext().SetForceRefreshViews();
}
#endif // WITH_EDITOR
}
else
{
#if WITH_EDITOR
if (InRegistrationOptions.bForceViewSynchronization)
{
GetModifyContext().SetForceRefreshViews();
}
#endif // WITH_EDITOR
}
#if WITH_EDITOR
// Must be completed after auto-update to ensure all non-transient referenced dependency data is up-to-date (ex.
// class version), which is required for most accurately caching current registry metadata.
if (DocBuilder)
{
DocBuilder->CacheRegistryMetadata();
}
#endif // WITH_EDITOR
GraphRegistryKey = FNodeClassRegistry::Get().RegisterGraph(Owner);
if (!GraphRegistryKey.IsValid())
{
UClass* Class = Owner->GetClass();
check(Class);
const FString ClassName = Class->GetName();
const FString AssetName = Owner->GetName();
UE_LOG(LogMetaSound, Error, TEXT("Registration failed for MetaSound node class '%s' of UObject class '%s'"), *AssetName, *ClassName);
}
}
void FMetasoundAssetBase::CookMetaSound()
{
#if WITH_EDITORONLY_DATA
UpdateAndRegisterForSerialization();
#endif // WITH_EDITORONLY_DATA
}
#if WITH_EDITORONLY_DATA
void FMetasoundAssetBase::UpdateAndRegisterForSerialization(FName CookPlatformName)
{
using namespace Metasound;
using namespace Metasound::Frontend;
METASOUND_TRACE_CPUPROFILER_EVENT_SCOPE(MetaSoundAssetBase::UpdateAndRegisterForSerialization);
// If already registered, nothing to condition for presaving
if (IsRegistered())
{
return;
}
UpdateAndRegisterReferencesForSerialization(CookPlatformName);
UObject* Owner = GetOwningAsset();
check(Owner);
IMetaSoundAssetManager::GetChecked().AddOrUpdateFromObject(*Owner);
bool bDidUpdate = false;
FMetaSoundFrontendDocumentBuilder& DocBuilder = IDocumentBuilderRegistry::GetChecked().FindOrBeginBuilding(Owner);
if (CookPlatformName.IsValid())
{
bDidUpdate |= IDocumentBuilderRegistry::GetChecked().CookPages(CookPlatformName, DocBuilder);
}
// Auto update must be done after all referenced asset classes are registered
bDidUpdate |= VersionDependencies(DocBuilder, /*bAutoUpdateLogWarningOnDroppedConnection=*/true);
#if WITH_EDITOR
if (bDidUpdate)
{
GetModifyContext().SetForceRefreshViews();
}
#endif // WITH_EDITOR
#if WITH_EDITOR
// Must be completed after auto-update to ensure all non-transient referenced dependency data is up-to-date (ex.
// class version), which is required for most accurately caching current registry metadata.
DocBuilder.CacheRegistryMetadata();
#endif // WITH_EDITOR
{
// Performs document transforms on local copy, which reduces document footprint & renders transforming unnecessary at runtime
const bool bContainsTemplateDependency = DocBuilder.ContainsDependencyOfType(EMetasoundFrontendClassType::Template);
if (bContainsTemplateDependency)
{
DocBuilder.TransformTemplateNodes();
}
if (GraphRegistryKey.IsValid())
{
FNodeClassRegistry::Get().UnregisterNode(GraphRegistryKey.NodeKey);
GraphRegistryKey = { };
}
// Need to register the node so that it is available for other graphs, but avoids creating proxies.
// This is accomplished by using a special node registration object which reflects the necessary
// information for the node registry, but does not create the runtime graph model (i.e. INodes).
TScriptInterface<IMetaSoundDocumentInterface> DocInterface(Owner);
const FMetasoundFrontendDocument& Document = DocInterface->GetConstDocument();
const FTopLevelAssetPath AssetPath = DocInterface->GetAssetPathChecked();
TUniquePtr<INodeClassRegistryEntry> RegistryEntry = MakeUnique<AssetBasePrivate::FDocumentNodeRegistryEntryForSerialization>(Document, AssetPath);
const FNodeClassRegistryKey NodeKey = FNodeClassRegistry::Get().RegisterNode(MoveTemp(RegistryEntry));
GraphRegistryKey = FGraphRegistryKey { NodeKey, AssetPath };
}
if (!GraphRegistryKey.IsValid())
{
const UClass* Class = Owner->GetClass();
check(Class);
const FString ClassName = Class->GetName();
UE_LOG(LogMetaSound, Error, TEXT("Presave failed for MetaSound node class '%s' of UObject class '%s'"), *GetOwningAssetName(), *ClassName);
}
}
#endif // WITH_EDITORONLY_DATA
void FMetasoundAssetBase::OnNotifyBeginDestroy()
{
using namespace Metasound;
using namespace Metasound::Frontend;
UObject* OwningAsset = GetOwningAsset();
check(OwningAsset);
// Unregistration of graph using local call is not necessary when cooking as deserialized objects are not mutable and, should they be
// reloaded, omitting unregistration avoids potentially kicking off an invalid asynchronous task to unregister a non-existent runtime graph.
if (Metasound::CanEverExecuteGraph())
{
UnregisterGraphWithFrontend();
}
else
{
if (GraphRegistryKey.IsValid())
{
FNodeClassRegistry::Get().UnregisterNode(GraphRegistryKey.NodeKey);
GraphRegistryKey = { };
}
}
if (IMetaSoundAssetManager* AssetManager = IMetaSoundAssetManager::Get())
{
AssetManager->RemoveAsset(*OwningAsset);
};
}
void FMetasoundAssetBase::UnregisterGraphWithFrontend()
{
using namespace Metasound;
using namespace Metasound::Frontend;
METASOUND_TRACE_CPUPROFILER_EVENT_SCOPE(MetaSoundAssetBase::UnregisterGraphWithFrontend);
check(IsInGameThread());
checkf(Metasound::CanEverExecuteGraph(), TEXT("If execution is not supported, UnregisterNode must be called directly to avoid async attempt at destroying runtime graph that does not exist."));
if (GraphRegistryKey.IsValid())
{
UObject* OwningAsset = GetOwningAsset();
if (ensureAlways(OwningAsset))
{
const bool bSuccess = FNodeClassRegistry::Get().UnregisterGraph(GraphRegistryKey, OwningAsset);
if (!bSuccess)
{
UE_LOG(LogMetaSound, Verbose, TEXT("Failed to unregister node with key %s for asset %s. No registry entry exists with that key."), *GraphRegistryKey.ToString(), *GetOwningAssetName());
}
}
GraphRegistryKey = { };
}
}
bool FMetasoundAssetBase::IsInterfaceDeclared(const FMetasoundFrontendVersion& InVersion) const
{
TScriptInterface<const IMetaSoundDocumentInterface> DocInterface = GetOwningAsset();
check(DocInterface.GetObject());
return DocInterface->GetConstDocument().Interfaces.Contains(InVersion);
}
void FMetasoundAssetBase::SetDocument(FMetasoundFrontendDocument InDocument, bool bMarkDirty)
{
PRAGMA_DISABLE_DEPRECATION_WARNINGS
FMetasoundFrontendDocument* Document = GetDocumentAccessPtr().Get();
PRAGMA_ENABLE_DEPRECATION_WARNINGS
*Document = MoveTemp(InDocument);
if (bMarkDirty)
{
UObject* OwningAsset = GetOwningAsset();
check(OwningAsset);
OwningAsset->MarkPackageDirty();
}
}
#if WITH_EDITORONLY_DATA
bool FMetasoundAssetBase::VersionAsset(FMetaSoundFrontendDocumentBuilder& Builder)
{
using namespace Metasound;
METASOUND_TRACE_CPUPROFILER_EVENT_SCOPE(MetaSoundAssetBase::VersionAsset);
bool bDidEdit = Frontend::VersionDocument(Builder);
// TODO: Move this logic to builder API above, which will require rewriting update transforms to
// take in builder instead of DocumentHandle.
{
const FMetasoundFrontendDocument& Document = Builder.GetConstDocumentChecked();
bool bInterfaceUpdated = false;
bool bPassUpdated = true;
// Has to be re-run until no pass reports an update in case versions
// fork (ex. an interface splits into two newly named interfaces).
while (bPassUpdated)
{
bPassUpdated = false;
const TArray<FMetasoundFrontendVersion> Versions = Document.Interfaces.Array();
for (const FMetasoundFrontendVersion& Version : Versions)
{
bPassUpdated |= TryUpdateInterfaceFromVersion(Version, Builder);
}
bInterfaceUpdated |= bPassUpdated;
}
if (bInterfaceUpdated)
{
TScriptInterface<IMetaSoundDocumentInterface> Interface(GetOwningAsset());
Interface->ConformObjectToDocument();
}
bDidEdit |= bInterfaceUpdated;
}
return bDidEdit;
}
#endif // WITH_EDITORONLY_DATA
#if WITH_EDITOR
void FMetasoundAssetBase::CacheRegistryMetadata()
{
METASOUND_TRACE_CPUPROFILER_EVENT_SCOPE(MetaSoundAssetBase::CacheRegistryMetadata);
using namespace Metasound::Frontend;
UObject* Owner = GetOwningAsset();
check(Owner);
FMetaSoundFrontendDocumentBuilder& DocBuilder = IDocumentBuilderRegistry::GetChecked().FindOrBeginBuilding(Owner);
DocBuilder.CacheRegistryMetadata();
}
FMetasoundFrontendDocumentModifyContext& FMetasoundAssetBase::GetModifyContext()
{
// ModifyContext is now mutable to avoid mutations to it requiring access through
// the deprecated Document controller causing the builder cache to get wiped unnecessarily.
TScriptInterface<const IMetaSoundDocumentInterface> DocInterface = GetOwningAsset();
check(DocInterface.GetObject());
return DocInterface->GetConstDocument().Metadata.ModifyContext;
}
const FMetasoundFrontendDocumentModifyContext& FMetasoundAssetBase::GetConstModifyContext() const
{
TScriptInterface<const IMetaSoundDocumentInterface> DocInterface = GetOwningAsset();
check(DocInterface.GetObject());
return DocInterface->GetConstDocument().Metadata.ModifyContext;
}
const FMetasoundFrontendDocumentModifyContext& FMetasoundAssetBase::GetModifyContext() const
{
TScriptInterface<const IMetaSoundDocumentInterface> DocInterface = GetOwningAsset();
check(DocInterface.GetObject());
return DocInterface->GetConstDocument().Metadata.ModifyContext;
}
#endif // WITH_EDITOR
bool FMetasoundAssetBase::IsRegistered() const
{
using namespace Metasound::Frontend;
return GraphRegistryKey.IsValid();
}
bool FMetasoundAssetBase::IsReferencedAsset(const FMetasoundAssetBase& InAsset) const
{
using namespace Metasound::Frontend;
bool bIsReferenced = false;
AssetBasePrivate::DepthFirstTraversal(*this, [&](const FMetasoundAssetBase& ChildAsset)
{
TSet<const FMetasoundAssetBase*> Children;
if (&ChildAsset == &InAsset)
{
bIsReferenced = true;
return Children;
}
TArray<FMetasoundAssetBase*> ChildRefs;
ensureAlways(IMetaSoundAssetManager::GetChecked().TryLoadReferencedAssets(ChildAsset, ChildRefs));
Algo::Transform(ChildRefs, Children, [](FMetasoundAssetBase* Child) { return Child; });
return Children;
});
return bIsReferenced;
}
bool FMetasoundAssetBase::AddingReferenceCausesLoop(const FMetasoundAssetBase& InMetaSound) const
{
using namespace Metasound::Frontend;
bool bCausesLoop = false;
const FMetasoundAssetBase* Parent = this;
AssetBasePrivate::DepthFirstTraversal(InMetaSound, [&](const FMetasoundAssetBase& ChildAsset)
{
TSet<const FMetasoundAssetBase*> Children;
if (Parent == &ChildAsset)
{
bCausesLoop = true;
return Children;
}
TArray<FMetasoundAssetBase*> ChildRefs;
ensureAlways(IMetaSoundAssetManager::GetChecked().TryLoadReferencedAssets(ChildAsset, ChildRefs));
Algo::Transform(ChildRefs, Children, [](FMetasoundAssetBase* Child) { return Child; });
return Children;
});
return bCausesLoop;
}
bool FMetasoundAssetBase::AddingReferenceCausesLoop(const FSoftObjectPath& InReferencePath) const
{
using namespace Metasound::Frontend;
const FMetasoundAssetBase* ReferenceAsset = IMetaSoundAssetManager::GetChecked().TryLoadAsset(InReferencePath);
if (!ensureAlways(ReferenceAsset))
{
return false;
}
return AddingReferenceCausesLoop(*ReferenceAsset);
}
TArray<FMetasoundAssetBase::FSendInfoAndVertexName> FMetasoundAssetBase::GetSendInfos(uint64 InInstanceID) const
{
return TArray<FSendInfoAndVertexName>();
}
#if WITH_EDITOR
FText FMetasoundAssetBase::GetDisplayName(FString&& InTypeName) const
{
using namespace Metasound::Frontend;
FConstGraphHandle GraphHandle = GetRootGraphHandle();
const bool bIsPreset = !GraphHandle->GetGraphStyle().bIsGraphEditable;
if (!bIsPreset)
{
return FText::FromString(MoveTemp(InTypeName));
}
return FText::Format(LOCTEXT("PresetDisplayNameFormat", "{0} (Preset)"), FText::FromString(MoveTemp(InTypeName)));
}
#endif // WITH_EDITOR
bool FMetasoundAssetBase::MarkMetasoundDocumentDirty() const
{
if (const UObject* OwningAsset = GetOwningAsset())
{
return OwningAsset->MarkPackageDirty();
}
return false;
}
Metasound::Frontend::FDocumentHandle FMetasoundAssetBase::GetDocumentHandle()
{
PRAGMA_DISABLE_DEPRECATION_WARNINGS
return Metasound::Frontend::IDocumentController::CreateDocumentHandle(GetDocumentAccessPtr());
PRAGMA_ENABLE_DEPRECATION_WARNINGS
}
Metasound::Frontend::FConstDocumentHandle FMetasoundAssetBase::GetDocumentHandle() const
{
return Metasound::Frontend::IDocumentController::CreateDocumentHandle(GetDocumentConstAccessPtr());
}
Metasound::Frontend::FGraphHandle FMetasoundAssetBase::GetRootGraphHandle()
{
return GetDocumentHandle()->GetRootGraph();
}
Metasound::Frontend::FConstGraphHandle FMetasoundAssetBase::GetRootGraphHandle() const
{
return GetDocumentHandle()->GetRootGraph();
}
bool FMetasoundAssetBase::ImportFromJSON(const FString& InJSON)
{
METASOUND_TRACE_CPUPROFILER_EVENT_SCOPE(MetaSoundAssetBase::ImportFromJSON);
PRAGMA_DISABLE_DEPRECATION_WARNINGS
FMetasoundFrontendDocument* Document = GetDocumentAccessPtr().Get();
PRAGMA_ENABLE_DEPRECATION_WARNINGS
if (ensure(nullptr != Document))
{
bool bSuccess = Metasound::Frontend::ImportJSONToMetasound(InJSON, *Document);
if (bSuccess)
{
UObject* OwningAsset = GetOwningAsset();
check(OwningAsset);
ensure(OwningAsset->MarkPackageDirty());
}
return bSuccess;
}
return false;
}
bool FMetasoundAssetBase::ImportFromJSONAsset(const FString& InAbsolutePath)
{
METASOUND_TRACE_CPUPROFILER_EVENT_SCOPE(MetaSoundAssetBase::ImportFromJSONAsset);
PRAGMA_DISABLE_DEPRECATION_WARNINGS
Metasound::Frontend::FDocumentAccessPtr DocumentPtr = GetDocumentAccessPtr();
PRAGMA_ENABLE_DEPRECATION_WARNINGS
if (FMetasoundFrontendDocument* Document = DocumentPtr.Get())
{
bool bSuccess = Metasound::Frontend::ImportJSONAssetToMetasound(InAbsolutePath, *Document);
if (bSuccess)
{
UObject* OwningAsset = GetOwningAsset();
check(OwningAsset);
ensure(OwningAsset->MarkPackageDirty());
}
return bSuccess;
}
return false;
}
const FMetasoundFrontendDocument& FMetasoundAssetBase::GetConstDocumentChecked() const
{
const UObject* Owner = GetOwningAsset();
check(Owner);
TScriptInterface<const IMetaSoundDocumentInterface> DocInterface = Owner;
return DocInterface->GetConstDocument();
}
FMetasoundFrontendDocument& FMetasoundAssetBase::GetDocumentChecked()
{
PRAGMA_DISABLE_DEPRECATION_WARNINGS
FMetasoundFrontendDocument* Document = GetDocumentAccessPtr().Get();
PRAGMA_ENABLE_DEPRECATION_WARNINGS
check(nullptr != Document);
return *Document;
}
const FMetasoundFrontendDocument& FMetasoundAssetBase::GetDocumentChecked() const
{
TScriptInterface<const IMetaSoundDocumentInterface> DocInterface = GetOwningAsset();
check(DocInterface.GetObject());
return DocInterface->GetConstDocument();
}
const Metasound::Frontend::FGraphRegistryKey& FMetasoundAssetBase::GetGraphRegistryKey() const
{
return GraphRegistryKey;
}
FString FMetasoundAssetBase::GetOwningAssetName() const
{
if (const UObject* OwningAsset = GetOwningAsset())
{
return OwningAsset->GetPathName();
}
return FString();
}
#if WITH_EDITOR
void FMetasoundAssetBase::RebuildReferencedAssetClasses()
{
using namespace Metasound::Frontend;
IMetaSoundAssetManager& AssetManager = IMetaSoundAssetManager::GetChecked();
AssetManager.AddAssetReferences(*this);
TSet<IMetaSoundAssetManager::FAssetRef> ReferencedAssetClasses = AssetManager.GetReferencedAssets(*this);
SetReferencedAssets(MoveTemp(ReferencedAssetClasses));
}
#endif // WITH_EDITOR
void FMetasoundAssetBase::RegisterAssetDependencies(const Metasound::Frontend::FMetaSoundAssetRegistrationOptions& InRegistrationOptions)
{
using namespace Metasound::Frontend;
TArray<FMetasoundAssetBase*> References = GetReferencedAssets();
for (FMetasoundAssetBase* Reference : References)
{
if (InRegistrationOptions.bForceReregister || !Reference->IsRegistered())
{
Reference->UpdateAndRegisterForExecution(InRegistrationOptions);
}
}
}
void FMetasoundAssetBase::CookReferencedMetaSounds()
{
#if WITH_EDITORONLY_DATA
UpdateAndRegisterReferencesForSerialization({ });
#endif // WITH_EDITORONLY_DATA
}
#if WITH_EDITORONLY_DATA
void FMetasoundAssetBase::UpdateAndRegisterReferencesForSerialization(FName CookPlatformName)
{
using namespace Metasound::Frontend;
TArray<FMetasoundAssetBase*> References = GetReferencedAssets();
for (FMetasoundAssetBase* Reference : References)
{
if (!Reference->IsRegistered())
{
Reference->UpdateAndRegisterForSerialization(CookPlatformName);
}
}
}
#endif // WITH_EDITORONLY_DATA
bool FMetasoundAssetBase::AutoUpdate(bool bInLogWarningsOnDroppedConnection)
{
using namespace Metasound::Frontend;
UObject* Owner = GetOwningAsset();
check(Owner);
#if WITH_EDITORONLY_DATA
FMetaSoundFrontendDocumentBuilder& DocBuilder = IDocumentBuilderRegistry::GetChecked().FindOrBeginBuilding(Owner);
return VersionDependencies(DocBuilder, bInLogWarningsOnDroppedConnection);
#else // !WITH_EDITORONLY_DATA
return false;
#endif // !WITH_EDITORONLY_DATA
}
bool FMetasoundAssetBase::TryUpdateInterfaceFromVersion(const FMetasoundFrontendVersion& Version, FMetaSoundFrontendDocumentBuilder& Builder)
{
using namespace Metasound::Frontend;
using namespace AssetBasePrivate;
FMetasoundFrontendInterface TargetInterface = GetInterfaceToVersion(Version);
if (TargetInterface.Metadata.Version.IsValid())
{
TArray<const IInterfaceRegistryEntry*> UpgradePath;
GetUpdatePathForDocument(Version, TargetInterface.Metadata.Version, UpgradePath);
const bool bUpdated = UpdateDocumentInterface(UpgradePath, Version, Builder);
ensureMsgf(bUpdated, TEXT("Target interface '%s' was out-of-date but interface failed to be updated"), *TargetInterface.Metadata.Version.ToString());
return bUpdated;
}
return false;
}
bool FMetasoundAssetBase::VersionDependencies(FMetaSoundFrontendDocumentBuilder& Builder, bool bInLogWarningsOnDroppedConnection)
{
using namespace Metasound::Frontend;
bool bDocumentModified = false;
#if WITH_EDITORONLY_DATA
const FGuid InitBuildPageID = Builder.GetBuildPageID();
Metasound::Frontend::FDocumentHandle DocHandle = GetDocumentHandle();
const FMetasoundFrontendGraphClass& RootGraph = Builder.GetConstDocumentChecked().RootGraph;
constexpr bool bBroadcastPageIDDelegate = false;
FAutoUpdateRootGraph AutoUpdateTransform(GetOwningAssetName(), bInLogWarningsOnDroppedConnection);
RootGraph.IterateGraphPages([&](const FMetasoundFrontendGraph& Graph)
{
// Set the build page ID to this graph as a hack to apply dependency versioning logic using
// the controller/handle API until auto-update is renamed & moved to use document builder API.
Builder.SetBuildPageID(Graph.PageID, bBroadcastPageIDDelegate);
bDocumentModified |= AutoUpdateTransform.Transform(DocHandle);
});
Builder.SetBuildPageID(InitBuildPageID, bBroadcastPageIDDelegate);
#endif // WITH_EDITORONLY_DATA
return bDocumentModified;
}
FMetasoundFrontendInterface FMetasoundAssetBase::GetInterfaceToVersion(const FMetasoundFrontendVersion& InterfaceVersion) const
{
using namespace Metasound::Frontend;
// Find registered target interface.
FMetasoundFrontendInterface TargetInterface;
bool bFoundTargetInterface = ISearchEngine::Get().FindInterfaceWithHighestVersion(InterfaceVersion.Name, TargetInterface);
if (!bFoundTargetInterface)
{
UE_LOG(LogMetaSound, Warning,
TEXT("Could not check for interface updates. Target interface is not registered [InterfaceVersion:%s] when attempting to update root graph of asset (%s). "
"Ensure that the module which registers the interface has been loaded before the asset is loaded."),
*InterfaceVersion.ToString(),
*GetOwningAssetName());
return { };
}
if (TargetInterface.Metadata.Version == InterfaceVersion)
{
return { };
}
return TargetInterface;
}
#if WITH_EDITORONLY_DATA
bool FMetasoundAssetBase::GetVersionedOnLoad() const
{
return bVersionedOnLoad;
}
void FMetasoundAssetBase::ClearVersionedOnLoad()
{
bVersionedOnLoad = false;
}
void FMetasoundAssetBase::SetVersionedOnLoad()
{
bVersionedOnLoad = true;
}
#endif // WITH_EDITORONLY_DATA
FMetasoundAssetProxy::FMetasoundAssetProxy(const FParameters& InParams)
{
Interfaces = InParams.Interfaces;
Graph = InParams.Graph;
}
FMetasoundAssetProxy::FMetasoundAssetProxy(const FMetasoundAssetProxy& Other)
{
Interfaces = Other.Interfaces;
Graph = Other.Graph;
}
#undef LOCTEXT_NAMESPACE // "MetaSound"