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#ROBOMERGE-AUTHOR: graeme.thornton #ROBOMERGE-SOURCE: CL 19833544 via CL 19833880 via CL 19838023 via CL 19856187 via CL 19856488 #ROBOMERGE-BOT: UE5 (Release-Engine-Staging -> Main) (v940-19807014) [CL 19857479 by graeme thornton in ue5-main branch]
524 lines
16 KiB
C++
524 lines
16 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#include "MetasoundAssetSubsystem.h"
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#include "Algo/Sort.h"
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#include "Algo/Transform.h"
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#include "AssetRegistry/AssetRegistryModule.h"
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#include "Async/Async.h"
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#include "Engine/AssetManager.h"
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#include "Metasound.h"
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#include "MetasoundAssetBase.h"
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#include "MetasoundFrontendDocument.h"
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#include "MetasoundFrontendRegistries.h"
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#include "MetasoundFrontendTransform.h"
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#include "MetasoundSettings.h"
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#include "MetasoundSource.h"
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#include "MetasoundTrace.h"
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#include "MetasoundUObjectRegistry.h"
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#include "UObject/NoExportTypes.h"
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namespace Metasound
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{
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namespace AssetSubsystemPrivate
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{
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bool GetAssetClassInfo(const FAssetData& InAssetData, Frontend::FNodeClassInfo& OutInfo)
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{
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using namespace Metasound;
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using namespace Metasound::Frontend;
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bool bSuccess = true;
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OutInfo.Type = EMetasoundFrontendClassType::External;
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OutInfo.AssetPath = InAssetData.ObjectPath;
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FString AssetClassID;
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bSuccess &= InAssetData.GetTagValue(AssetTags::AssetClassID, AssetClassID);
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OutInfo.AssetClassID = FGuid(AssetClassID);
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OutInfo.ClassName = FMetasoundFrontendClassName(FName(), *AssetClassID, FName());
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int32 RegistryVersionMajor = 0;
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bSuccess &= InAssetData.GetTagValue(AssetTags::RegistryVersionMajor, RegistryVersionMajor);
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OutInfo.Version.Major = RegistryVersionMajor;
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int32 RegistryVersionMinor = 0;
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bSuccess &= InAssetData.GetTagValue(AssetTags::RegistryVersionMinor, RegistryVersionMinor);
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OutInfo.Version.Minor = RegistryVersionMinor;
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#if WITH_EDITORONLY_DATA
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auto ParseTypesString = [&](const FName AssetTag, TSet<FName>& OutTypes)
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{
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FString TypesString;
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if (InAssetData.GetTagValue(AssetTag, TypesString))
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{
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TArray<FString> DataTypeStrings;
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TypesString.ParseIntoArray(DataTypeStrings, *AssetTags::ArrayDelim);
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Algo::Transform(DataTypeStrings, OutTypes, [](const FString& DataType) { return *DataType; });
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return true;
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}
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return false;
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};
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// These values are optional and not necessary to return successfully as MetaSounds
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// don't require inputs or outputs for asset tags to be valid (ex. a new MetaSound,
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// non-source asset has no inputs or outputs)
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OutInfo.InputTypes.Reset();
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ParseTypesString(AssetTags::RegistryInputTypes, OutInfo.InputTypes);
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OutInfo.OutputTypes.Reset();
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ParseTypesString(AssetTags::RegistryOutputTypes, OutInfo.OutputTypes);
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#endif // WITH_EDITORONLY_DATA
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return bSuccess;
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}
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}
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}
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void UMetaSoundAssetSubsystem::Initialize(FSubsystemCollectionBase& InCollection)
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{
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using namespace Metasound::Frontend;
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IMetaSoundAssetManager::Set(*this);
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FCoreDelegates::OnPostEngineInit.AddUObject(this, &UMetaSoundAssetSubsystem::PostEngineInit);
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}
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void UMetaSoundAssetSubsystem::PostEngineInit()
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{
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if (UAssetManager* AssetManager = UAssetManager::GetIfValid())
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{
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AssetManager->CallOrRegister_OnCompletedInitialScan(FSimpleMulticastDelegate::FDelegate::CreateUObject(this, &UMetaSoundAssetSubsystem::PostInitAssetScan));
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RebuildDenyListCache(*AssetManager);
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}
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else
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{
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UE_LOG(LogMetaSound, Error, TEXT("Cannot initialize MetaSoundAssetSubsystem: Enable AssetManager or disable MetaSound plugin"));
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}
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}
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void UMetaSoundAssetSubsystem::PostInitAssetScan()
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{
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METASOUND_TRACE_CPUPROFILER_EVENT_SCOPE(UMetaSoundAssetSubsystem::PostInitAssetScan);
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const UMetaSoundSettings* Settings = GetDefault<UMetaSoundSettings>();
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if (ensureAlways(Settings))
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{
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SearchAndIterateDirectoryAssets(Settings->DirectoriesToRegister, [this](const FAssetData& AssetData)
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{
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AddOrUpdateAsset(AssetData);
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});
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}
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}
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void UMetaSoundAssetSubsystem::AddAssetReferences(FMetasoundAssetBase& InAssetBase)
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{
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using namespace Metasound;
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using namespace Metasound::Frontend;
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const FNodeClassInfo AssetClassInfo = InAssetBase.GetAssetClassInfo();
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const FNodeRegistryKey AssetClassKey = NodeRegistryKey::CreateKey(AssetClassInfo);
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if (!ContainsKey(AssetClassKey))
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{
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AddOrUpdateAsset(*InAssetBase.GetOwningAsset());
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UE_LOG(LogMetaSound, Verbose, TEXT("Adding asset '%s' to MetaSoundAsset registry."), *InAssetBase.GetOwningAssetName());
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}
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bool bLoadFromPathCache = false;
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const TSet<FString>& ReferencedAssetClassKeys = InAssetBase.GetReferencedAssetClassKeys();
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for (const FString& ReferencedAssetClassKey : ReferencedAssetClassKeys)
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{
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if (!ContainsKey(ReferencedAssetClassKey))
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{
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UE_LOG(LogMetaSound, Verbose, TEXT("Missing referenced class '%s' asset entry."), *ReferencedAssetClassKey);
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bLoadFromPathCache = true;
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}
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}
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// All keys are loaded
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if (!bLoadFromPathCache)
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{
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return;
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}
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UE_LOG(LogMetaSound, Verbose, TEXT("Attempting preemptive reference load..."));
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// If keys are not loaded, iterate class cache paths to prime asset manager with
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// hint paths as the registration is getting called before asset manager has
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// completed initial scan.
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const TSet<FSoftObjectPath>& AssetClassCache = InAssetBase.GetReferencedAssetClassCache();
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for (const FSoftObjectPath& AssetClassPath : AssetClassCache)
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{
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if (FMetasoundAssetBase* MetaSoundAsset = TryLoadAsset(AssetClassPath))
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{
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FNodeClassInfo ClassInfo = MetaSoundAsset->GetAssetClassInfo();
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const FNodeRegistryKey ClassKey = NodeRegistryKey::CreateKey(ClassInfo);
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if (!ContainsKey(ClassKey))
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{
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UE_LOG(LogMetaSound, Verbose,
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TEXT("Preemptive load of class '%s' from hint path '%s' due to early "
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"registration request (asset scan likely not complete)."),
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*ClassKey,
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*AssetClassPath.ToString());
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UObject* MetaSoundObject = MetaSoundAsset->GetOwningAsset();
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if (ensureAlways(MetaSoundObject))
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{
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AddOrUpdateAsset(*MetaSoundObject);
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}
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}
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}
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}
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}
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Metasound::Frontend::FNodeRegistryKey UMetaSoundAssetSubsystem::AddOrUpdateAsset(const UObject& InObject)
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{
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using namespace Metasound;
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using namespace Metasound::AssetSubsystemPrivate;
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using namespace Metasound::Frontend;
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METASOUND_TRACE_CPUPROFILER_EVENT_SCOPE(UMetaSoundAssetSubsystem::AddOrUpdateAsset);
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const FMetasoundAssetBase* MetaSoundAsset = Metasound::IMetasoundUObjectRegistry::Get().GetObjectAsAssetBase(&InObject);
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check(MetaSoundAsset);
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FNodeClassInfo ClassInfo = MetaSoundAsset->GetAssetClassInfo();
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const FNodeRegistryKey RegistryKey = NodeRegistryKey::CreateKey(ClassInfo);
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if (NodeRegistryKey::IsValid(RegistryKey))
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{
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PathMap.FindOrAdd(RegistryKey) = InObject.GetPathName();
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}
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return RegistryKey;
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}
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Metasound::Frontend::FNodeRegistryKey UMetaSoundAssetSubsystem::AddOrUpdateAsset(const FAssetData& InAssetData)
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{
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using namespace Metasound;
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using namespace Metasound::AssetSubsystemPrivate;
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using namespace Metasound::Frontend;
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METASOUND_TRACE_CPUPROFILER_EVENT_SCOPE(UMetaSoundAssetSubsystem::AddOrUpdateAsset);
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FNodeClassInfo ClassInfo;
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bool bClassInfoFound = GetAssetClassInfo(InAssetData, ClassInfo);
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if (!bClassInfoFound)
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{
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UObject* Object = nullptr;
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FSoftObjectPath Path(InAssetData.ObjectPath);
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if (!FPackageName::GetPackageMountPoint(InAssetData.ObjectPath.ToString()).IsNone())
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{
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if (InAssetData.IsAssetLoaded())
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{
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Object = Path.ResolveObject();
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UE_LOG(LogMetaSound, Verbose, TEXT("Adding loaded asset '%s' to MetaSoundAsset registry."), *Object->GetName());
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}
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else
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{
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Object = Path.TryLoad();
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UE_LOG(LogMetaSound, Verbose, TEXT("Loaded asset '%s' and adding to MetaSoundAsset registry."), *Object->GetName());
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}
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}
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if (Object)
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{
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return AddOrUpdateAsset(*Object);
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}
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}
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if (ClassInfo.AssetClassID.IsValid())
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{
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const FNodeRegistryKey RegistryKey = NodeRegistryKey::CreateKey(ClassInfo);
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if (NodeRegistryKey::IsValid(RegistryKey))
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{
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PathMap.FindOrAdd(RegistryKey) = InAssetData.ObjectPath;
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}
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return RegistryKey;
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}
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// Invalid ClassID means the node could not be registered.
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// Let caller report or ensure as necessary.
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return NodeRegistryKey::GetInvalid();
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}
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bool UMetaSoundAssetSubsystem::CanAutoUpdate(const FMetasoundFrontendClassName& InClassName) const
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{
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const UMetaSoundSettings* Settings = GetDefault<UMetaSoundSettings>();
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if (!Settings->bAutoUpdateEnabled)
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{
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return false;
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}
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return !AutoUpdateDenyListCache.Contains(InClassName.GetFullName());
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}
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bool UMetaSoundAssetSubsystem::ContainsKey(const Metasound::Frontend::FNodeRegistryKey& InRegistryKey) const
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{
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return PathMap.Contains(InRegistryKey);
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}
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void UMetaSoundAssetSubsystem::RebuildDenyListCache(const UAssetManager& InAssetManager)
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{
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using namespace Metasound::Frontend;
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const UMetaSoundSettings* Settings = GetDefault<UMetaSoundSettings>();
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if (Settings->DenyListCacheChangeID == AutoUpdateDenyListChangeID)
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{
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return;
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}
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AutoUpdateDenyListCache.Reset();
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for (const FMetasoundFrontendClassName& ClassName : Settings->AutoUpdateDenylist)
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{
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AutoUpdateDenyListCache.Add(ClassName.GetFullName());
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}
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for (const FDefaultMetaSoundAssetAutoUpdateSettings& UpdateSettings : Settings->AutoUpdateAssetDenylist)
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{
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if (UAssetManager* AssetManager = UAssetManager::GetIfValid())
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{
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FAssetData AssetData;
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if (AssetManager->GetAssetDataForPath(UpdateSettings.MetaSound, AssetData))
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{
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FString AssetClassID;
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if (AssetData.GetTagValue(AssetTags::AssetClassID, AssetClassID))
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{
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const FMetasoundFrontendClassName ClassName = { FName(), *AssetClassID, FName() };
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AutoUpdateDenyListCache.Add(ClassName.GetFullName());
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}
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}
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}
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}
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AutoUpdateDenyListChangeID = Settings->DenyListCacheChangeID;
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}
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TSet<Metasound::Frontend::FNodeRegistryKey> UMetaSoundAssetSubsystem::GetReferencedKeys(const FMetasoundAssetBase& InAssetBase) const
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{
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METASOUND_TRACE_CPUPROFILER_EVENT_SCOPE(UMetaSoundAssetSubsystem::GetReferencedKeys);
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using namespace Metasound::Frontend;
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TSet<FNodeRegistryKey> OutKeys;
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const FMetasoundFrontendDocument& Document = InAssetBase.GetDocumentChecked();
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for (const FMetasoundFrontendClass& Class : Document.Dependencies)
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{
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const FNodeRegistryKey Key = NodeRegistryKey::CreateKey(Class.Metadata);
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if (ContainsKey(Key))
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{
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OutKeys.Add(Key);
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}
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}
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return OutKeys;
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}
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void UMetaSoundAssetSubsystem::RescanAutoUpdateDenyList()
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{
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if (const UAssetManager* AssetManager = UAssetManager::GetIfValid())
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{
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RebuildDenyListCache(*AssetManager);
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}
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}
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FMetasoundAssetBase* UMetaSoundAssetSubsystem::TryLoadAssetFromKey(const Metasound::Frontend::FNodeRegistryKey& RegistryKey) const
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{
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if (const FSoftObjectPath* ObjectPath = FindObjectPathFromKey(RegistryKey))
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{
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return TryLoadAsset(*ObjectPath);
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}
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return nullptr;
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}
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bool UMetaSoundAssetSubsystem::TryLoadReferencedAssets(const FMetasoundAssetBase& InAssetBase, TArray<FMetasoundAssetBase*>& OutReferencedAssets) const
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{
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using namespace Metasound::Frontend;
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bool bSucceeded = true;
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OutReferencedAssets.Reset();
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TArray<FMetasoundAssetBase*> ReferencedAssets;
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const TSet<FString>& AssetClassKeys = InAssetBase.GetReferencedAssetClassKeys();
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for (const FNodeRegistryKey& Key : AssetClassKeys)
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{
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if (FMetasoundAssetBase* MetaSound = TryLoadAssetFromKey(Key))
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{
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OutReferencedAssets.Add(MetaSound);
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}
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else
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{
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UE_LOG(LogMetaSound, Error, TEXT("Failed to find referenced MetaSound asset with key '%s'"), *Key);
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bSucceeded = false;
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}
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}
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return bSucceeded;
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}
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const FSoftObjectPath* UMetaSoundAssetSubsystem::FindObjectPathFromKey(const Metasound::Frontend::FNodeRegistryKey& InRegistryKey) const
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{
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return PathMap.Find(InRegistryKey);
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}
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FMetasoundAssetBase* UMetaSoundAssetSubsystem::TryLoadAsset(const FSoftObjectPath& InObjectPath) const
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{
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return Metasound::IMetasoundUObjectRegistry::Get().GetObjectAsAssetBase(InObjectPath.TryLoad());
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}
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void UMetaSoundAssetSubsystem::RemoveAsset(const UObject& InObject)
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{
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using namespace Metasound;
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using namespace Metasound::Frontend;
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if (const FMetasoundAssetBase* MetaSoundAsset = Metasound::IMetasoundUObjectRegistry::Get().GetObjectAsAssetBase(&InObject))
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{
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const FNodeClassInfo ClassInfo = MetaSoundAsset->GetAssetClassInfo();
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FNodeRegistryKey RegistryKey = FMetasoundFrontendRegistryContainer::Get()->GetRegistryKey(ClassInfo);
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PathMap.Remove(RegistryKey);
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}
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}
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void UMetaSoundAssetSubsystem::RemoveAsset(const FAssetData& InAssetData)
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{
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using namespace Metasound;
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using namespace Metasound::Frontend;
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FNodeClassInfo ClassInfo;
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if (ensureAlways(AssetSubsystemPrivate::GetAssetClassInfo(InAssetData, ClassInfo)))
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{
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FNodeRegistryKey RegistryKey = FMetasoundFrontendRegistryContainer::Get()->GetRegistryKey(ClassInfo);
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PathMap.Remove(RegistryKey);
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}
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}
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void UMetaSoundAssetSubsystem::RenameAsset(const FAssetData& InAssetData, bool bInReregisterWithFrontend)
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{
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auto PerformRename = [this, &InAssetData]()
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{
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RemoveAsset(InAssetData);
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ResetAssetClassDisplayName(InAssetData);
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AddOrUpdateAsset(InAssetData);
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};
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if (bInReregisterWithFrontend)
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{
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FMetasoundAssetBase* MetaSoundAsset = Metasound::IMetasoundUObjectRegistry::Get().GetObjectAsAssetBase(InAssetData.GetAsset());
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check(MetaSoundAsset);
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MetaSoundAsset->UnregisterGraphWithFrontend();
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PerformRename();
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MetaSoundAsset->RegisterGraphWithFrontend();
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}
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else
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{
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PerformRename();
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}
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}
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void UMetaSoundAssetSubsystem::ResetAssetClassDisplayName(const FAssetData& InAssetData)
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{
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UObject* Object = nullptr;
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FSoftObjectPath Path(InAssetData.ObjectPath);
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if (InAssetData.IsAssetLoaded())
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{
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Object = Path.ResolveObject();
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}
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else
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{
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Object = Path.TryLoad();
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}
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FMetasoundAssetBase* MetaSoundAsset = Metasound::IMetasoundUObjectRegistry::Get().GetObjectAsAssetBase(Object);
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check(MetaSoundAsset);
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FMetasoundFrontendGraphClass& Class = MetaSoundAsset->GetDocumentChecked().RootGraph;
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#if WITH_EDITOR
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Class.Metadata.SetDisplayName(FText());
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#endif // WITH_EDITOR
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}
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void UMetaSoundAssetSubsystem::SearchAndIterateDirectoryAssets(const TArray<FDirectoryPath>& InDirectories, TFunctionRef<void(const FAssetData&)> InFunction)
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{
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if (InDirectories.IsEmpty())
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{
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return;
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}
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UAssetManager& AssetManager = UAssetManager::Get();
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FAssetManagerSearchRules Rules;
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for (const FDirectoryPath& Path : InDirectories)
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{
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Rules.AssetScanPaths.Add(*Path.Path);
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}
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Metasound::IMetasoundUObjectRegistry::Get().IterateRegisteredUClasses([&](UClass& RegisteredClass)
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{
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Rules.AssetBaseClass = &RegisteredClass;
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TArray<FAssetData> MetaSoundAssets;
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AssetManager.SearchAssetRegistryPaths(MetaSoundAssets, Rules);
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for (const FAssetData& AssetData : MetaSoundAssets)
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{
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InFunction(AssetData);
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}
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});
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}
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void UMetaSoundAssetSubsystem::RegisterAssetClassesInDirectories(const TArray<FMetaSoundAssetDirectory>& InDirectories)
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{
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TArray<FDirectoryPath> Directories;
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Algo::Transform(InDirectories, Directories, [](const FMetaSoundAssetDirectory& AssetDir) { return AssetDir.Directory; });
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SearchAndIterateDirectoryAssets(Directories, [this](const FAssetData& AssetData)
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{
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AddOrUpdateAsset(AssetData);
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FMetasoundAssetBase* MetaSoundAsset = Metasound::IMetasoundUObjectRegistry::Get().GetObjectAsAssetBase(AssetData.GetAsset());
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check(MetaSoundAsset);
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Metasound::Frontend::FMetaSoundAssetRegistrationOptions RegOptions;
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if (const UMetaSoundSettings* Settings = GetDefault<UMetaSoundSettings>())
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{
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RegOptions.bAutoUpdateLogWarningOnDroppedConnection = Settings->bAutoUpdateLogWarningOnDroppedConnection;
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}
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MetaSoundAsset->RegisterGraphWithFrontend(RegOptions);
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});
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}
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void UMetaSoundAssetSubsystem::UnregisterAssetClassesInDirectories(const TArray<FMetaSoundAssetDirectory>& InDirectories)
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{
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TArray<FDirectoryPath> Directories;
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Algo::Transform(InDirectories, Directories, [](const FMetaSoundAssetDirectory& AssetDir) { return AssetDir.Directory; });
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SearchAndIterateDirectoryAssets(Directories, [this](const FAssetData& AssetData)
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{
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using namespace Metasound;
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using namespace Metasound::Frontend;
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if (AssetData.IsAssetLoaded())
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{
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FMetasoundAssetBase* MetaSoundAsset = Metasound::IMetasoundUObjectRegistry::Get().GetObjectAsAssetBase(AssetData.GetAsset());
|
|
check(MetaSoundAsset);
|
|
MetaSoundAsset->UnregisterGraphWithFrontend();
|
|
|
|
RemoveAsset(AssetData);
|
|
}
|
|
else
|
|
{
|
|
FNodeClassInfo AssetClassInfo;
|
|
if (ensureAlways(AssetSubsystemPrivate::GetAssetClassInfo(AssetData, AssetClassInfo)))
|
|
{
|
|
const FNodeRegistryKey RegistryKey = NodeRegistryKey::CreateKey(AssetClassInfo);
|
|
const bool bIsRegistered = FMetasoundFrontendRegistryContainer::Get()->IsNodeRegistered(RegistryKey);
|
|
if (bIsRegistered)
|
|
{
|
|
FMetasoundFrontendRegistryContainer::Get()->UnregisterNode(RegistryKey);
|
|
PathMap.Remove(RegistryKey);
|
|
}
|
|
}
|
|
}
|
|
});
|
|
}
|