Files
UnrealEngineUWP/Engine/Plugins/Runtime/Metasound/Source/MetasoundFrontend/Private/MetasoundAssetBase.cpp
aurel cordonnier a12d56ff31 Merge from Release-Engine-Staging @ 17791557 to Release-Engine-Test
This represents UE4/Main @17774255, Release-5.0 @17791557 and Dev-PerfTest @17789485

[CL 17794212 by aurel cordonnier in ue5-release-engine-test branch]
2021-10-12 21:21:22 -04:00

877 lines
26 KiB
C++

// Copyright Epic Games, Inc. All Rights Reserved.
#include "MetasoundAssetBase.h"
#include "Algo/AnyOf.h"
#include "Algo/Transform.h"
#include "Containers/Set.h"
#include "HAL/FileManager.h"
#include "Internationalization/Text.h"
#include "IStructSerializerBackend.h"
#include "Logging/LogMacros.h"
#include "MetasoundArchetype.h"
#include "MetasoundFrontendArchetypeRegistry.h"
#include "MetasoundFrontendController.h"
#include "MetasoundFrontendDocument.h"
#include "MetasoundFrontendGraph.h"
#include "MetasoundFrontendInjectReceiveNodes.h"
#include "MetasoundFrontendRegistries.h"
#include "MetasoundFrontendSearchEngine.h"
#include "MetasoundFrontendTransform.h"
#include "MetasoundJsonBackend.h"
#include "MetasoundLog.h"
#include "MetasoundParameterTransmitter.h"
#include "MetasoundTrace.h"
#include "MetasoundVertex.h"
#include "StructSerializer.h"
#include "UObject/MetaData.h"
#define LOCTEXT_NAMESPACE "MetaSound"
namespace Metasound
{
namespace AssetTags
{
const FString ArrayDelim = TEXT(",");
const FName AssetClassID = "AssetClassID";
const FName RegistryVersionMajor = "RegistryVersionMajor";
const FName RegistryVersionMinor = "RegistryVersionMinor";
#if WITH_EDITORONLY_DATA
const FName RegistryInputTypes = "RegistryInputTypes";
const FName RegistryOutputTypes = "RegistryOutputTypes";
#endif // WITH_EDITORONLY_DATA
} // namespace AssetTags
namespace AssetBasePrivate
{
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);
}
}
}
} // namespace AssetBasePrivate
} // namespace Metasound
const FString FMetasoundAssetBase::FileExtension(TEXT(".metasound"));
IMetaSoundAssetManager* IMetaSoundAssetManager::Instance = nullptr;
void FMetasoundAssetBase::RegisterGraphWithFrontend(FMetaSoundAssetRegistrationOptions InRegistrationOptions)
{
using namespace Metasound;
using namespace Metasound::Frontend;
METASOUND_TRACE_CPUPROFILER_EVENT_SCOPE(MetaSoundAssetBase::RegisterGraphWithFrontend);
if (!InRegistrationOptions.bForceReregister)
{
if (IsRegistered())
{
return;
}
}
GetReferencedAssetClassCache().Reset();
// Triggers the existing runtime data to be out-of-date.
CurrentCachedRuntimeDataChangeID = FGuid::NewGuid();
if (InRegistrationOptions.bRebuildReferencedAssetClassKeys)
{
RebuildReferencedAssetClassKeys();
}
if (InRegistrationOptions.bRegisterDependencies)
{
const TArray<FMetasoundAssetBase*> References = FindOrLoadReferencedAssets();
for (FMetasoundAssetBase* Reference : References)
{
if (InRegistrationOptions.bForceReregister || !Reference->IsRegistered())
{
// TODO: Check for infinite recursion and error if so
Reference->RegisterGraphWithFrontend(InRegistrationOptions);
}
if (UObject* RefAsset = Reference->GetOwningAsset())
{
GetReferencedAssetClassCache().Add(RefAsset);
}
}
}
// Auto update must be done after all referenced asset classes are registered
if (InRegistrationOptions.bAutoUpdate)
{
AutoUpdate();
}
// Registers node by copying document. Updates to document require re-registration.
class FNodeRegistryEntry : public INodeRegistryEntry
{
public:
FNodeRegistryEntry(const FString& InName, const FMetasoundFrontendDocument& InDocument, FName InAssetPath)
: Name(InName)
, Document(InDocument)
{
// Copy frontend class to preserve original document.
FrontendClass = Document.RootGraph;
FrontendClass.Metadata.SetType(EMetasoundFrontendClassType::External);
ClassInfo = FNodeClassInfo(Document.RootGraph, InAssetPath);
}
virtual ~FNodeRegistryEntry() = default;
virtual const FNodeClassInfo& GetClassInfo() const override
{
return ClassInfo;
}
virtual TUniquePtr<INode> CreateNode(const FNodeInitData&) const override
{
return FFrontendGraphBuilder().CreateGraph(Document);
}
virtual TUniquePtr<INode> CreateNode(FDefaultLiteralNodeConstructorParams&&) const override
{
return nullptr;
}
virtual TUniquePtr<INode> CreateNode(FDefaultNamedVertexNodeConstructorParams&&) const override
{
return nullptr;
}
virtual TUniquePtr<INode> CreateNode(FDefaultNamedVertexWithLiteralNodeConstructorParams&&) const override
{
return nullptr;
}
virtual const FMetasoundFrontendClass& GetFrontendClass() const override
{
return FrontendClass;
}
virtual TUniquePtr<INodeRegistryEntry> Clone() const override
{
return MakeUnique<FNodeRegistryEntry>(Name, Document, ClassInfo.AssetPath);
}
virtual bool IsNative() const override
{
return false;
}
private:
FString Name;
FMetasoundFrontendDocument Document;
FMetasoundFrontendClass FrontendClass;
FNodeClassInfo ClassInfo;
};
UnregisterGraphWithFrontend();
FString AssetName;
FString AssetPath;
const UObject* OwningAsset = GetOwningAsset();
if (ensure(OwningAsset))
{
AssetName = OwningAsset->GetName();
AssetPath = OwningAsset->GetPathName();
}
FNodeClassInfo AssetClassInfo = GetAssetClassInfo();
const FMetasoundFrontendDocument* Doc = GetDocument().Get();
if (Doc)
{
RegistryKey = FMetasoundFrontendRegistryContainer::Get()->RegisterNode(MakeUnique<FNodeRegistryEntry>(AssetName, *Doc, AssetClassInfo.AssetPath));
}
if (NodeRegistryKey::IsValid(RegistryKey))
{
#if WITH_EDITORONLY_DATA
// Refresh Asset Registry Info if successfully registered with Frontend
const FMetasoundFrontendGraphClass& DocumentClassGraph = GetDocumentHandle()->GetRootGraphClass();
const FMetasoundFrontendClassMetadata& DocumentClassMetadata = DocumentClassGraph.Metadata;
AssetClassInfo.AssetClassID = FGuid(DocumentClassMetadata.GetClassName().Name.ToString());
FNodeClassName ClassName = DocumentClassMetadata.GetClassName().ToNodeClassName();
FMetasoundFrontendClass GraphClass;
ensure(ISearchEngine::Get().FindClassWithMajorVersion(ClassName, DocumentClassMetadata.GetVersion().Major, GraphClass));
AssetClassInfo.Version = DocumentClassMetadata.GetVersion();
AssetClassInfo.InputTypes.Reset();
Algo::Transform(GraphClass.Interface.Inputs, AssetClassInfo.InputTypes, [] (const FMetasoundFrontendClassInput& Input) { return Input.TypeName; });
AssetClassInfo.OutputTypes.Reset();
Algo::Transform(GraphClass.Interface.Outputs, AssetClassInfo.OutputTypes, [](const FMetasoundFrontendClassOutput& Output) { return Output.TypeName; });
SetRegistryAssetClassInfo(MoveTemp(AssetClassInfo));
#endif // WITH_EDITORONLY_DATA
}
else
{
FString ClassName;
if (OwningAsset)
{
if (UClass* Class = OwningAsset->GetClass())
{
ClassName = Class->GetName();
}
}
UE_LOG(LogMetaSound, Error, TEXT("Registration failed for MetaSound node class '%s' of UObject class '%s'"), *AssetName, *ClassName);
}
}
void FMetasoundAssetBase::UnregisterGraphWithFrontend()
{
using namespace Metasound::Frontend;
METASOUND_TRACE_CPUPROFILER_EVENT_SCOPE(MetaSoundAssetBase::UnregisterGraphWithFrontend);
if (!NodeRegistryKey::IsValid(RegistryKey))
{
return;
}
const UObject* OwningAsset = GetOwningAsset();
if (!ensureAlways(OwningAsset))
{
return;
}
ensureAlways(FMetasoundFrontendRegistryContainer::Get()->UnregisterNode(RegistryKey));
RegistryKey = FNodeRegistryKey();
}
void FMetasoundAssetBase::SetMetadata(FMetasoundFrontendClassMetadata& InMetadata)
{
FMetasoundFrontendDocument& Doc = GetDocumentChecked();
Doc.RootGraph.Metadata = InMetadata;
if (Doc.RootGraph.Metadata.GetType() != EMetasoundFrontendClassType::Graph)
{
UE_LOG(LogMetaSound, Display, TEXT("Forcing class type to EMetasoundFrontendClassType::Graph on root graph metadata"));
Doc.RootGraph.Metadata.SetType(EMetasoundFrontendClassType::Graph);
}
MarkMetasoundDocumentDirty();
}
bool FMetasoundAssetBase::IsArchetypeSupported(const FMetasoundFrontendVersion& InArchetypeVersion) const
{
return GetSupportedArchetypeVersions().Contains(InArchetypeVersion);
}
FMetasoundFrontendVersion FMetasoundAssetBase::GetPreferredArchetypeVersion(const FMetasoundFrontendDocument& InDocument) const
{
using namespace Metasound::Frontend;
// Default to archetype provided in case it is supported.
if (IsArchetypeSupported(InDocument.ArchetypeVersion))
{
return InDocument.ArchetypeVersion;
}
// If existing archetype is not supported, check if an updated version is preferred.
auto IsNewVersion = [&](const FMetasoundFrontendVersion& InVersion)
{
return (InDocument.ArchetypeVersion.Name == InVersion.Name) && (InVersion.Number > InDocument.ArchetypeVersion.Number);
};
TArray<FMetasoundFrontendVersion> UpdatedVersions = GetSupportedArchetypeVersions().FilterByPredicate(IsNewVersion);
if (UpdatedVersions.Num() > 0)
{
UpdatedVersions.Sort();
return UpdatedVersions.Last();
}
// If existing archetype is not supported, get the most similar that still supports the documents environment.
TArray<FMetasoundFrontendArchetype> Archetypes;
for (const FMetasoundFrontendVersion& Version : GetSupportedArchetypeVersions())
{
const FArchetypeRegistryKey Key = GetArchetypeRegistryKey(Version);
FMetasoundFrontendArchetype Archetype;
if (IArchetypeRegistry::Get().FindArchetype(Key, Archetype))
{
Archetypes.Add(MoveTemp(Archetype));
}
}
const FMetasoundFrontendArchetype* SimilarArchetype = Metasound::Frontend::FindMostSimilarArchetypeSupportingEnvironment(InDocument, Archetypes);
if (nullptr != SimilarArchetype)
{
return SimilarArchetype->Version;
}
// Nothing found. Return the existing archetype for the FMetasoundAssetBase.
return GetDefaultArchetypeVersion();
}
TArray<FMetasoundAssetBase*> FMetasoundAssetBase::FindOrLoadReferencedAssets() const
{
using namespace Metasound::Frontend;
TArray<FMetasoundAssetBase*> ReferencedAssets;
for (const FNodeRegistryKey& Key : GetReferencedAssetClassKeys())
{
if (FMetasoundAssetBase* MetaSound = IMetaSoundAssetManager::GetChecked().FindAssetFromKey(Key))
{
ReferencedAssets.Add(MetaSound);
}
else
{
UE_LOG(LogMetaSound, Error, TEXT("Failed to find referenced MetaSound asset with key '%s'"), *Key);
}
}
return ReferencedAssets;
}
bool FMetasoundAssetBase::GetArchetype(FMetasoundFrontendArchetype& OutArchetype) const
{
using namespace Metasound;
using namespace Metasound::Frontend;
bool bFoundArchetype = false;
const FMetasoundFrontendDocument* Document = GetDocument().Get();
if (nullptr != Document)
{
FArchetypeRegistryKey ArchetypeRegistryKey = GetArchetypeRegistryKey(Document->ArchetypeVersion);
bFoundArchetype = IArchetypeRegistry::Get().FindArchetype(ArchetypeRegistryKey, OutArchetype);
if (!bFoundArchetype)
{
UE_LOG(LogMetaSound, Warning, TEXT("No registered archetype matching archetype version on document [ArchetypeVersion:%s]"), *Document->ArchetypeVersion.ToString());
}
}
return bFoundArchetype;
}
void FMetasoundAssetBase::SetDocument(const FMetasoundFrontendDocument& InDocument)
{
FMetasoundFrontendDocument& Document = GetDocumentChecked();
Document = InDocument;
MarkMetasoundDocumentDirty();
}
void FMetasoundAssetBase::ConformDocumentToArchetype()
{
METASOUND_TRACE_CPUPROFILER_EVENT_SCOPE(MetaSoundAssetBase::ConformDocumentToArchetype);
FMetasoundFrontendDocument& Doc = GetDocumentChecked();
FMetasoundFrontendVersion PreferredArchetypeVersion = GetPreferredArchetypeVersion(Doc);
if (PreferredArchetypeVersion != Doc.ArchetypeVersion)
{
Metasound::Frontend::FMatchRootGraphToArchetype Transform(PreferredArchetypeVersion);
if (Transform.Transform(GetDocumentHandle()))
{
ConformObjectDataToArchetype();
MarkMetasoundDocumentDirty();
}
}
}
bool FMetasoundAssetBase::AutoUpdate(bool bInMarkDirty)
{
using namespace Metasound::Frontend;
METASOUND_TRACE_CPUPROFILER_EVENT_SCOPE(MetaSoundAssetBase::AutoUpdate);
const bool bUpdated = FAutoUpdateRootGraph().Transform(GetDocumentHandle());
if (bUpdated && bInMarkDirty)
{
MarkMetasoundDocumentDirty();
}
return bUpdated;
}
bool FMetasoundAssetBase::VersionAsset()
{
using namespace Metasound;
using namespace Metasound::Frontend;
METASOUND_TRACE_CPUPROFILER_EVENT_SCOPE(MetaSoundAssetBase::VersionAsset);
FName AssetName;
FString AssetPath;
if (const UObject* OwningAsset = GetOwningAsset())
{
AssetName = FName(OwningAsset->GetName());
AssetPath = OwningAsset->GetPathName();
}
bool bDidEdit = false;
FDocumentHandle DocumentHandle = GetDocumentHandle();
bDidEdit |= FVersionDocument(AssetName, AssetPath).Transform(DocumentHandle);
if (FMetasoundFrontendDocument* Doc = GetDocument().Get())
{
FMetasoundFrontendVersion ArchetypeVersion = GetPreferredArchetypeVersion(*Doc);
bDidEdit |= FMatchRootGraphToArchetype(ArchetypeVersion).Transform(DocumentHandle);
if (bDidEdit)
{
ConformObjectDataToArchetype();
}
}
return bDidEdit;
}
TSharedPtr<Metasound::IGraph, ESPMode::ThreadSafe> FMetasoundAssetBase::BuildMetasoundDocument() const
{
using namespace Metasound;
using namespace Metasound::Frontend;
METASOUND_TRACE_CPUPROFILER_EVENT_SCOPE(MetaSoundAssetBase::BuildMetasoundDocument);
const FMetasoundFrontendDocument* Doc = GetDocument().Get();
if (nullptr == Doc)
{
UE_LOG(LogMetaSound, Error, TEXT("Cannot create graph. Null MetaSound document in MetaSound asset [Name:%s]"), *GetOwningAssetName());
return TSharedPtr<IGraph, ESPMode::ThreadSafe>(nullptr);
}
// Create graph which can spawn instances. TODO: cache graph.
TUniquePtr<FFrontendGraph> FrontendGraph = FFrontendGraphBuilder::CreateGraph(*Doc);
if (FrontendGraph.IsValid())
{
TSet<FVertexName> VerticesToSkip = GetNonTransmittableInputVertices(*Doc);
bool bSuccessfullyInjectedReceiveNodes = InjectReceiveNodes(*FrontendGraph, FMetaSoundParameterTransmitter::CreateSendAddressFromEnvironment, VerticesToSkip);
if (!bSuccessfullyInjectedReceiveNodes)
{
UE_LOG(LogMetaSound, Error, TEXT("Error while injecting async communication hooks. Instance communication may not function properly [Name:%s]."), *GetOwningAssetName());
}
}
TSharedPtr<Metasound::IGraph, ESPMode::ThreadSafe> SharedGraph(FrontendGraph.Release());
return SharedGraph;
}
void FMetasoundAssetBase::RebuildReferencedAssetClassKeys()
{
using namespace Metasound::Frontend;
METASOUND_TRACE_CPUPROFILER_EVENT_SCOPE(MetaSoundAssetBase::RebuildReferencedAssetClassKeys);
TSet<FNodeRegistryKey> AssetKeys;
GetRootGraphHandle()->IterateConstNodes([RefAssetKeys = &AssetKeys](FConstNodeHandle NodeHandle)
{
using namespace Metasound::Frontend;
const FMetasoundFrontendClassMetadata& RefMetadata = NodeHandle->GetClassMetadata();
const FNodeRegistryKey RefRegistryKey = NodeRegistryKey::CreateKey(RefMetadata);
if (const FMetasoundAssetBase* RefAsset = IMetaSoundAssetManager::GetChecked().FindAssetFromKey(RefRegistryKey))
{
RefAssetKeys->Add(RefRegistryKey);
}
}, EMetasoundFrontendClassType::External);
SetReferencedAssetClassKeys(MoveTemp(AssetKeys));
}
bool FMetasoundAssetBase::IsRegistered() const
{
using namespace Metasound::Frontend;
if (!NodeRegistryKey::IsValid(RegistryKey))
{
return false;
}
return FMetasoundFrontendRegistryContainer::Get()->IsNodeRegistered(RegistryKey);
}
bool FMetasoundAssetBase::AddingReferenceCausesLoop(const FSoftObjectPath& InReferencePath) const
{
const FMetasoundAssetBase* ReferenceAsset = IMetaSoundAssetManager::GetChecked().TryLoadAsset(InReferencePath);
if (!ensureAlways(ReferenceAsset))
{
return false;
}
bool bCausesLoop = false;
const FMetasoundAssetBase* Parent = this;
Metasound::AssetBasePrivate::DepthFirstTraversal(*ReferenceAsset, [&](const FMetasoundAssetBase& ChildAsset)
{
TSet<const FMetasoundAssetBase*> Children;
if (Parent == &ChildAsset)
{
bCausesLoop = true;
return Children;
}
TArray<FMetasoundAssetBase*> ChildRefs = ChildAsset.FindOrLoadReferencedAssets();
for (const FMetasoundAssetBase* ChildRef : ChildRefs)
{
if (ChildRef)
{
Children.Add(ChildRef);
}
}
return Children;
});
return bCausesLoop;
}
Metasound::FSendAddress FMetasoundAssetBase::CreateSendAddress(uint64 InInstanceID, const Metasound::FVertexName& InVertexName, const FName& InDataTypeName) const
{
return Metasound::FSendAddress(InVertexName, InDataTypeName, InInstanceID);
}
void FMetasoundAssetBase::ConvertFromPreset()
{
using namespace Metasound::Frontend;
FGraphHandle GraphHandle = GetRootGraphHandle();
FMetasoundFrontendGraphStyle Style = GraphHandle->GetGraphStyle();
Style.bIsGraphEditable = true;
GraphHandle->SetGraphStyle(Style);
FMetasoundFrontendClassMetadata Metadata = GraphHandle->GetGraphMetadata();
Metadata.SetAutoUpdateManagesInterface(false);
GraphHandle->SetGraphMetadata(Metadata);
}
TArray<FMetasoundAssetBase::FSendInfoAndVertexName> FMetasoundAssetBase::GetSendInfos(uint64 InInstanceID) const
{
using namespace Metasound;
using namespace Metasound::Frontend;
using FSendInfo = FMetaSoundParameterTransmitter::FSendInfo;
check(IsInGameThread() || IsInAudioThread());
const FRuntimeData& RuntimeData = GetRuntimeData();
TArray<FSendInfoAndVertexName> SendInfos;
for (const FMetasoundFrontendClassInput& Vertex : RuntimeData.TransmittableInputs)
{
FSendInfoAndVertexName Info;
Info.SendInfo.Address = FMetaSoundParameterTransmitter::CreateSendAddressFromInstanceID(InInstanceID, Vertex.Name, Vertex.TypeName);
Info.SendInfo.ParameterName = Vertex.Name;
Info.SendInfo.TypeName = Vertex.TypeName;
Info.VertexName = Vertex.Name;
SendInfos.Add(Info);
}
return SendInfos;
}
TSet<Metasound::FVertexName> FMetasoundAssetBase::GetNonTransmittableInputVertices(const FMetasoundFrontendDocument& InDoc) const
{
using namespace Metasound;
using namespace Metasound::Frontend;
check(IsInGameThread() || IsInAudioThread());
TSet<FVertexName> NonTransmittableInputVertices;
auto GetVertexKey = [](const FMetasoundFrontendClassVertex& InVertex) { return InVertex.Name; };
// Do not transmit vertices defined in archetype. Those are already accounted
// for by owning object.
FMetasoundFrontendArchetype Archetype;
GetArchetype(Archetype);
Algo::Transform(Archetype.Interface.Inputs, NonTransmittableInputVertices, GetVertexKey);
// Do not transmit vertices which are not transmittable. Async communication
// is not supported without transmission.
const IDataTypeRegistry& Registry = IDataTypeRegistry::Get();
auto IsNotTransmittable = [&Registry](const FMetasoundFrontendClassVertex& InVertex) -> bool
{
FDataTypeRegistryInfo Info;
if (Registry.GetDataTypeInfo(InVertex.TypeName, Info))
{
return !Info.bIsTransmittable;
}
return true;
};
Algo::TransformIf(InDoc.RootGraph.Interface.Inputs, NonTransmittableInputVertices, IsNotTransmittable, GetVertexKey);
return NonTransmittableInputVertices;
}
TArray<Metasound::FVertexName> FMetasoundAssetBase::GetTransmittableInputVertexNames() const
{
using namespace Metasound;
using namespace Metasound::Frontend;
FConstDocumentHandle Document = GetDocumentHandle();
// Find the archetype for the document.
FMetasoundFrontendArchetype Archetype;
FArchetypeRegistryKey ArchetypeRegistryKey = Frontend::GetArchetypeRegistryKey(Document->GetArchetypeVersion());
bool bFoundArchetype = IArchetypeRegistry::Get().FindArchetype(ArchetypeRegistryKey, Archetype);
if (!bFoundArchetype)
{
UE_LOG(LogMetaSound, Warning, TEXT("No registered archetype matching archetype version on document [ArchetypeVersion:%s]"), *Document->GetArchetypeVersion().ToString());
}
// Unused inputs are all input vertices that are not in the archetype.
TArray<FVertexName> ArchetypeInputVertexNames;
for (const FMetasoundFrontendClassVertex& Vertex : Archetype.Interface.Inputs)
{
ArchetypeInputVertexNames.Add(Vertex.Name);
}
Frontend::FConstGraphHandle RootGraph = Document->GetRootGraph();
TArray<FVertexName> GraphInputVertexNames = RootGraph->GetInputVertexNames();
// Filter graph inputs by archetype inputs.
GraphInputVertexNames = GraphInputVertexNames.FilterByPredicate([&](const FVertexName& InName) { return !ArchetypeInputVertexNames.Contains(InName); });
auto IsDataTypeTransmittable = [&](const FVertexName& InVertexName)
{
using namespace Metasound::Frontend;
Frontend::FConstClassInputAccessPtr ClassInputPtr = RootGraph->FindClassInputWithName(InVertexName);
if (const FMetasoundFrontendClassInput* ClassInput = ClassInputPtr.Get())
{
Frontend::FDataTypeRegistryInfo TypeInfo;
if (IDataTypeRegistry::Get().GetDataTypeInfo(ClassInput->TypeName, TypeInfo))
{
if (TypeInfo.bIsTransmittable)
{
Frontend::FConstNodeHandle InputNode = RootGraph->GetNodeWithID(ClassInput->NodeID);
if (InputNode->IsValid())
{
return true;
}
}
}
}
return false;
};
GraphInputVertexNames = GraphInputVertexNames.FilterByPredicate(IsDataTypeTransmittable);
return GraphInputVertexNames;
}
Metasound::Frontend::FNodeHandle FMetasoundAssetBase::AddInputPinForSendAddress(const Metasound::FMetaSoundParameterTransmitter::FSendInfo& InSendInfo, Metasound::Frontend::FGraphHandle InGraph) const
{
FMetasoundFrontendClassInput Description;
FGuid VertexID = FGuid::NewGuid();
Description.Name = InSendInfo.Address.GetChannelName();
Description.TypeName = Metasound::GetMetasoundDataTypeName<Metasound::FSendAddress>();
Description.Metadata.Description = FText::GetEmpty();
Description.VertexID = VertexID;
Description.DefaultLiteral.Set(InSendInfo.Address.GetChannelName().ToString());
return InGraph->AddInputVertex(Description);
}
#if WITH_EDITORONLY_DATA
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_EDITORONLY_DATA
bool FMetasoundAssetBase::MarkMetasoundDocumentDirty() const
{
if (const UObject* OwningAsset = GetOwningAsset())
{
return ensure(OwningAsset->MarkPackageDirty());
}
return false;
}
Metasound::Frontend::FDocumentHandle FMetasoundAssetBase::GetDocumentHandle()
{
return Metasound::Frontend::IDocumentController::CreateDocumentHandle(GetDocument());
}
Metasound::Frontend::FConstDocumentHandle FMetasoundAssetBase::GetDocumentHandle() const
{
return Metasound::Frontend::IDocumentController::CreateDocumentHandle(GetDocument());
}
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);
FMetasoundFrontendDocument* Document = GetDocument().Get();
if (ensure(nullptr != Document))
{
bool bSuccess = Metasound::Frontend::ImportJSONToMetasound(InJSON, *Document);
if (bSuccess)
{
ensure(MarkMetasoundDocumentDirty());
}
return bSuccess;
}
return false;
}
bool FMetasoundAssetBase::ImportFromJSONAsset(const FString& InAbsolutePath)
{
METASOUND_TRACE_CPUPROFILER_EVENT_SCOPE(MetaSoundAssetBase::ImportFromJSONAsset);
Metasound::Frontend::FDocumentAccessPtr DocumentPtr = GetDocument();
if (FMetasoundFrontendDocument* Document = DocumentPtr.Get())
{
bool bSuccess = Metasound::Frontend::ImportJSONAssetToMetasound(InAbsolutePath, *Document);
if (bSuccess)
{
ensure(MarkMetasoundDocumentDirty());
}
return bSuccess;
}
return false;
}
FMetasoundFrontendDocument& FMetasoundAssetBase::GetDocumentChecked()
{
FMetasoundFrontendDocument* Document = GetDocument().Get();
check(nullptr != Document);
return *Document;
}
const FMetasoundFrontendDocument& FMetasoundAssetBase::GetDocumentChecked() const
{
const FMetasoundFrontendDocument* Document = GetDocument().Get();
check(nullptr != Document);
return *Document;
}
FString FMetasoundAssetBase::GetOwningAssetName() const
{
if (const UObject* OwningAsset = GetOwningAsset())
{
return OwningAsset->GetName();
}
return FString();
}
TSharedPtr<const Metasound::IGraph, ESPMode::ThreadSafe> FMetasoundAssetBase::GetMetasoundCoreGraph() const
{
return FMetasoundAssetBase::GetRuntimeData().Graph;
}
TArray<FMetasoundFrontendClassInput> FMetasoundAssetBase::GetTransmittableClassInputs() const
{
using namespace Metasound;
using namespace Metasound::Frontend;
check(IsInGameThread() || IsInAudioThread());
TArray<FMetasoundFrontendClassInput> Inputs;
if (const FMetasoundFrontendDocument* Doc = GetDocument().Get())
{
TSet<FVertexName> ArchetypeInputs;
auto GetVertexKey = [](const FMetasoundFrontendClassVertex& InVertex) { return InVertex.Name; };
// Do not transmit vertices defined in archetype. Those are already accounted
// for by owning object.
FMetasoundFrontendArchetype Archetype;
GetArchetype(Archetype);
Algo::Transform(Archetype.Interface.Inputs, ArchetypeInputs, GetVertexKey);
// Do not transmit vertices which are not transmittable. Async communication
// is not supported without transmission.
IDataTypeRegistry& Registry = IDataTypeRegistry::Get();
auto IsTransmittable = [&Registry, &ArchetypeInputs](const FMetasoundFrontendClassVertex& InVertex) -> bool
{
if (!ArchetypeInputs.Contains(InVertex.Name))
{
FDataTypeRegistryInfo Info;
if (Registry.GetDataTypeInfo(InVertex.TypeName, Info))
{
return Info.bIsTransmittable;
}
}
return false;
};
for (const FMetasoundFrontendClassInput& Vertex : Doc->RootGraph.Interface.Inputs)
{
if (IsTransmittable(Vertex))
{
Inputs.Add(Vertex);
}
}
}
return Inputs;
}
const FMetasoundAssetBase::FRuntimeData& FMetasoundAssetBase::GetRuntimeData() const
{
// Check if a ChangeID has been generated before.
if (!CurrentCachedRuntimeDataChangeID.IsValid())
{
CurrentCachedRuntimeDataChangeID = FGuid::NewGuid();
}
// Check if CachedRuntimeData is out-of-date.
if (CachedRuntimeData.ChangeID != CurrentCachedRuntimeDataChangeID)
{
// Update CachedRuntimeData.
CachedRuntimeData.TransmittableInputs = GetTransmittableClassInputs();
CachedRuntimeData.Graph = BuildMetasoundDocument();
CachedRuntimeData.ChangeID = CurrentCachedRuntimeDataChangeID;
}
return CachedRuntimeData;
}
#undef LOCTEXT_NAMESPACE // "MetaSound"