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007584827b
This fixes EditorDomain saves because they occur immediately after load of the package so waiting for async dependencies to load is required. #jira UE-170378 #rb Phil.Popp #rnx #preflight 63766ddcb1509f1cc3fce67c [CL 23178540 by Matt Peters in ue5-main branch]
707 lines
22 KiB
C++
707 lines
22 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 "Misc/CoreDelegates.h"
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#include "UObject/NoExportTypes.h"
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#include UE_INLINE_GENERATED_CPP_BY_NAME(MetasoundAssetSubsystem)
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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.GetSoftObjectPath();
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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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#if WITH_EDITORONLY_DATA
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InAssetData.GetTagValue(AssetTags::IsPreset, OutInfo.bIsPreset);
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#endif // WITH_EDITORONLY_DATA
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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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bIsInitialAssetScanComplete = true;
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}
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#if WITH_EDITORONLY_DATA
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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 bAddFromReferencedAssets = 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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bAddFromReferencedAssets = true;
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}
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}
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// All keys are loaded
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if (!bAddFromReferencedAssets)
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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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TArray<FMetasoundAssetBase*> ReferencedAssets = InAssetBase.GetReferencedAssets();
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for (FMetasoundAssetBase* Asset : ReferencedAssets)
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{
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if (Asset)
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{
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FNodeClassInfo ClassInfo = Asset->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' due to early "
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"registration request (asset scan likely not complete)."),
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*ClassKey);
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UObject* MetaSoundObject = Asset->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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else
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{
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UE_LOG(LogMetaSound, Warning, TEXT("Null referenced dependent asset in %s. Resaving asset in editor may fix the issue"), *InAssetBase.GetOwningAssetName());
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}
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}
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}
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#endif
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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.ToSoftObjectPath();
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if (!FPackageName::GetPackageMountPoint(InAssetData.GetObjectPathString()).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.GetSoftObjectPath();
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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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#if WITH_EDITOR
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TSet<UMetaSoundAssetSubsystem::FAssetInfo> UMetaSoundAssetSubsystem::GetReferencedAssetClasses(const FMetasoundAssetBase& InAssetBase) const
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{
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METASOUND_TRACE_CPUPROFILER_EVENT_SCOPE(UMetaSoundAssetSubsystem::GetReferencedAssetClasses);
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using namespace Metasound::Frontend;
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if (!bIsInitialAssetScanComplete)
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{
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UE_LOG(LogMetaSound, Warning, TEXT("Attempt to get registered dependent assets for %s before asset scan is complete may result in missed dependencies"), *InAssetBase.GetOwningAssetName());
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}
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TSet<FAssetInfo> OutAssetInfos;
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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 (const FSoftObjectPath* ObjectPath = PathMap.Find(Key))
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{
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OutAssetInfos.Add(FAssetInfo{Key, *ObjectPath});
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}
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}
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return MoveTemp(OutAssetInfos);
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}
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#endif
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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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void UMetaSoundAssetSubsystem::RequestAsyncLoadReferencedAssets(FMetasoundAssetBase& InAssetBase)
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{
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const TSet<FSoftObjectPath>& AsyncReferences = InAssetBase.GetAsyncReferencedAssetClassPaths();
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if (AsyncReferences.Num() > 0)
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{
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if (UObject* OwningAsset = InAssetBase.GetOwningAsset())
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{
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TArray<FSoftObjectPath> PathsToLoad = AsyncReferences.Array();
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// Protect against duplicate calls to async load assets.
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if (FMetaSoundAsyncAssetDependencies* ExistingAsyncLoad = FindLoadingDependencies(OwningAsset))
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{
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if (ExistingAsyncLoad->Dependencies == PathsToLoad)
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{
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// early out since these are already actively being loaded.
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return;
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}
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}
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int32 AsyncLoadID = AsyncLoadIDCounter++;
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auto AssetsLoadedDelegate = [this, AsyncLoadID]()
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{
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this->OnAssetsLoaded(AsyncLoadID);
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};
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// Store async loading data for use when async load is complete.
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FMetaSoundAsyncAssetDependencies& AsyncDependencies = LoadingDependencies.AddDefaulted_GetRef();
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AsyncDependencies.LoadID = AsyncLoadID;
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AsyncDependencies.MetaSound = OwningAsset;
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AsyncDependencies.Dependencies = PathsToLoad;
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AsyncDependencies.StreamableHandle = StreamableManager.RequestAsyncLoad(PathsToLoad, AssetsLoadedDelegate);
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}
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else
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{
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UE_LOG(LogMetaSound, Error, TEXT("Cannot load async asset as FMetasoundAssetBase null owning UObject"), *InAssetBase.GetOwningAssetName());
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}
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}
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}
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void UMetaSoundAssetSubsystem::WaitUntilAsyncLoadReferencedAssetsComplete(FMetasoundAssetBase& InAssetBase)
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{
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TSet<FMetasoundAssetBase*> TransitiveReferences;
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TArray<FMetasoundAssetBase*> TransitiveReferencesQueue;
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TransitiveReferences.Add(&InAssetBase);
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TransitiveReferencesQueue.Add(&InAssetBase);
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while (!TransitiveReferencesQueue.IsEmpty())
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{
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FMetasoundAssetBase* Reference = TransitiveReferencesQueue.Pop();
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UObject* OwningAsset = Reference->GetOwningAsset();
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if (!OwningAsset)
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{
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continue;
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}
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while (FMetaSoundAsyncAssetDependencies* LoadingDependency = FindLoadingDependencies(OwningAsset))
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{
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// Grab shared ptr to handle as LoadingDependencies may be deleted and have it's shared pointer removed.
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TSharedPtr<FStreamableHandle> StreamableHandle = LoadingDependency->StreamableHandle;
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if (StreamableHandle.IsValid())
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{
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UE_LOG(LogMetaSound, Verbose, TEXT("Waiting on async load (id: %d) from asset %s"), LoadingDependency->LoadID, *InAssetBase.GetOwningAssetName());
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EAsyncPackageState::Type LoadState = StreamableHandle->WaitUntilComplete();
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if (EAsyncPackageState::Complete != LoadState)
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{
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UE_LOG(LogMetaSound, Error, TEXT("Failed to complete loading of async dependent assets from parent asset %s"), *InAssetBase.GetOwningAssetName());
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RemoveLoadingDependencies(LoadingDependency->LoadID);
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}
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else
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{
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// This will remove the loading dependencies from internal storage
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OnAssetsLoaded(LoadingDependency->LoadID);
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}
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// This will prevent OnAssetsLoaded from being called via the streamables
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// internal delegate complete callback.
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StreamableHandle->CancelHandle();
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}
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}
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for (FMetasoundAssetBase* NextReference : Reference->GetReferencedAssets())
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{
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bool bAlreadyInSet;
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TransitiveReferences.Add(NextReference, &bAlreadyInSet);
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if (!bAlreadyInSet)
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{
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TransitiveReferencesQueue.Add(NextReference);
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}
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}
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}
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}
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FMetaSoundAsyncAssetDependencies* UMetaSoundAssetSubsystem::FindLoadingDependencies(const UObject* InParentAsset)
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{
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auto IsEqualMetaSoundUObject = [InParentAsset](const FMetaSoundAsyncAssetDependencies& InDependencies) -> bool
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{
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return (InDependencies.MetaSound == InParentAsset);
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};
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return LoadingDependencies.FindByPredicate(IsEqualMetaSoundUObject);
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}
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FMetaSoundAsyncAssetDependencies* UMetaSoundAssetSubsystem::FindLoadingDependencies(int32 InLoadID)
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{
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auto IsEqualID = [InLoadID](const FMetaSoundAsyncAssetDependencies& InDependencies) -> bool
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{
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return (InDependencies.LoadID == InLoadID);
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};
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return LoadingDependencies.FindByPredicate(IsEqualID);
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}
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void UMetaSoundAssetSubsystem::RemoveLoadingDependencies(int32 InLoadID)
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{
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auto IsEqualID = [InLoadID](const FMetaSoundAsyncAssetDependencies& InDependencies) -> bool
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{
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return (InDependencies.LoadID == InLoadID);
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};
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LoadingDependencies.RemoveAllSwap(IsEqualID);
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}
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void UMetaSoundAssetSubsystem::OnAssetsLoaded(int32 InLoadID)
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{
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FMetaSoundAsyncAssetDependencies* LoadedDependencies = FindLoadingDependencies(InLoadID);
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if (ensureMsgf(LoadedDependencies, TEXT("Call to async asset load complete with invalid IDs %d"), InLoadID))
|
|
{
|
|
if (LoadedDependencies->StreamableHandle.IsValid())
|
|
{
|
|
if (LoadedDependencies->MetaSound)
|
|
{
|
|
Metasound::IMetasoundUObjectRegistry& UObjectRegistry = Metasound::IMetasoundUObjectRegistry::Get();
|
|
FMetasoundAssetBase* ParentAssetBase = UObjectRegistry.GetObjectAsAssetBase(LoadedDependencies->MetaSound);
|
|
if (ensureMsgf(ParentAssetBase, TEXT("UClass of Parent MetaSound asset %s is not registered in metasound UObject Registery"), *LoadedDependencies->MetaSound->GetPathName()))
|
|
{
|
|
// Get all async loaded assets
|
|
TArray<UObject*> LoadedAssets;
|
|
LoadedDependencies->StreamableHandle->GetLoadedAssets(LoadedAssets);
|
|
|
|
// Cast UObjects to FMetaSoundAssetBase
|
|
TArray<FMetasoundAssetBase*> LoadedAssetBases;
|
|
for (UObject* AssetDependency : LoadedAssets)
|
|
{
|
|
if (AssetDependency)
|
|
{
|
|
FMetasoundAssetBase* AssetDependencyBase = UObjectRegistry.GetObjectAsAssetBase(AssetDependency);
|
|
if (ensure(AssetDependencyBase))
|
|
{
|
|
LoadedAssetBases.Add(AssetDependencyBase);
|
|
}
|
|
}
|
|
}
|
|
|
|
// Update parent asset with loaded assets.
|
|
ParentAssetBase->OnAsyncReferencedAssetsLoaded(LoadedAssetBases);
|
|
}
|
|
}
|
|
}
|
|
|
|
// Remove from active array of loading dependencies.
|
|
RemoveLoadingDependencies(InLoadID);
|
|
}
|
|
}
|
|
|
|
const FSoftObjectPath* UMetaSoundAssetSubsystem::FindObjectPathFromKey(const Metasound::Frontend::FNodeRegistryKey& InRegistryKey) const
|
|
{
|
|
return PathMap.Find(InRegistryKey);
|
|
}
|
|
|
|
FMetasoundAssetBase* UMetaSoundAssetSubsystem::TryLoadAsset(const FSoftObjectPath& InObjectPath) const
|
|
{
|
|
return Metasound::IMetasoundUObjectRegistry::Get().GetObjectAsAssetBase(InObjectPath.TryLoad());
|
|
}
|
|
|
|
void UMetaSoundAssetSubsystem::RemoveAsset(const UObject& InObject)
|
|
{
|
|
using namespace Metasound;
|
|
using namespace Metasound::Frontend;
|
|
|
|
if (const FMetasoundAssetBase* MetaSoundAsset = Metasound::IMetasoundUObjectRegistry::Get().GetObjectAsAssetBase(&InObject))
|
|
{
|
|
const FNodeClassInfo ClassInfo = MetaSoundAsset->GetAssetClassInfo();
|
|
FNodeRegistryKey RegistryKey = FMetasoundFrontendRegistryContainer::Get()->GetRegistryKey(ClassInfo);
|
|
PathMap.Remove(RegistryKey);
|
|
}
|
|
}
|
|
|
|
void UMetaSoundAssetSubsystem::RemoveAsset(const FAssetData& InAssetData)
|
|
{
|
|
using namespace Metasound;
|
|
using namespace Metasound::Frontend;
|
|
|
|
FNodeClassInfo ClassInfo;
|
|
if (ensureAlways(AssetSubsystemPrivate::GetAssetClassInfo(InAssetData, ClassInfo)))
|
|
{
|
|
FNodeRegistryKey RegistryKey = FMetasoundFrontendRegistryContainer::Get()->GetRegistryKey(ClassInfo);
|
|
PathMap.Remove(RegistryKey);
|
|
}
|
|
}
|
|
|
|
void UMetaSoundAssetSubsystem::RenameAsset(const FAssetData& InAssetData, bool bInReregisterWithFrontend)
|
|
{
|
|
auto PerformRename = [this, &InAssetData]()
|
|
{
|
|
RemoveAsset(InAssetData);
|
|
ResetAssetClassDisplayName(InAssetData);
|
|
AddOrUpdateAsset(InAssetData);
|
|
};
|
|
|
|
if (bInReregisterWithFrontend)
|
|
{
|
|
FMetasoundAssetBase* MetaSoundAsset = Metasound::IMetasoundUObjectRegistry::Get().GetObjectAsAssetBase(InAssetData.GetAsset());
|
|
check(MetaSoundAsset);
|
|
|
|
MetaSoundAsset->UnregisterGraphWithFrontend();
|
|
PerformRename();
|
|
MetaSoundAsset->RegisterGraphWithFrontend();
|
|
}
|
|
else
|
|
{
|
|
PerformRename();
|
|
}
|
|
}
|
|
|
|
void UMetaSoundAssetSubsystem::ResetAssetClassDisplayName(const FAssetData& InAssetData)
|
|
{
|
|
UObject* Object = nullptr;
|
|
FSoftObjectPath Path = InAssetData.GetSoftObjectPath();
|
|
if (InAssetData.IsAssetLoaded())
|
|
{
|
|
Object = Path.ResolveObject();
|
|
}
|
|
else
|
|
{
|
|
Object = Path.TryLoad();
|
|
}
|
|
|
|
FMetasoundAssetBase* MetaSoundAsset = Metasound::IMetasoundUObjectRegistry::Get().GetObjectAsAssetBase(Object);
|
|
check(MetaSoundAsset);
|
|
FMetasoundFrontendGraphClass& Class = MetaSoundAsset->GetDocumentChecked().RootGraph;
|
|
|
|
#if WITH_EDITOR
|
|
Class.Metadata.SetDisplayName(FText());
|
|
#endif // WITH_EDITOR
|
|
}
|
|
|
|
void UMetaSoundAssetSubsystem::SearchAndIterateDirectoryAssets(const TArray<FDirectoryPath>& InDirectories, TFunctionRef<void(const FAssetData&)> InFunction)
|
|
{
|
|
if (InDirectories.IsEmpty())
|
|
{
|
|
return;
|
|
}
|
|
|
|
UAssetManager& AssetManager = UAssetManager::Get();
|
|
|
|
FAssetManagerSearchRules Rules;
|
|
for (const FDirectoryPath& Path : InDirectories)
|
|
{
|
|
Rules.AssetScanPaths.Add(*Path.Path);
|
|
}
|
|
|
|
Metasound::IMetasoundUObjectRegistry::Get().IterateRegisteredUClasses([&](UClass& RegisteredClass)
|
|
{
|
|
Rules.AssetBaseClass = &RegisteredClass;
|
|
TArray<FAssetData> MetaSoundAssets;
|
|
AssetManager.SearchAssetRegistryPaths(MetaSoundAssets, Rules);
|
|
for (const FAssetData& AssetData : MetaSoundAssets)
|
|
{
|
|
InFunction(AssetData);
|
|
}
|
|
});
|
|
}
|
|
|
|
void UMetaSoundAssetSubsystem::RegisterAssetClassesInDirectories(const TArray<FMetaSoundAssetDirectory>& InDirectories)
|
|
{
|
|
TArray<FDirectoryPath> Directories;
|
|
Algo::Transform(InDirectories, Directories, [](const FMetaSoundAssetDirectory& AssetDir) { return AssetDir.Directory; });
|
|
|
|
SearchAndIterateDirectoryAssets(Directories, [this](const FAssetData& AssetData)
|
|
{
|
|
AddOrUpdateAsset(AssetData);
|
|
FMetasoundAssetBase* MetaSoundAsset = Metasound::IMetasoundUObjectRegistry::Get().GetObjectAsAssetBase(AssetData.GetAsset());
|
|
check(MetaSoundAsset);
|
|
|
|
Metasound::Frontend::FMetaSoundAssetRegistrationOptions RegOptions;
|
|
if (const UMetaSoundSettings* Settings = GetDefault<UMetaSoundSettings>())
|
|
{
|
|
RegOptions.bAutoUpdateLogWarningOnDroppedConnection = Settings->bAutoUpdateLogWarningOnDroppedConnection;
|
|
}
|
|
MetaSoundAsset->RegisterGraphWithFrontend(RegOptions);
|
|
});
|
|
}
|
|
|
|
void UMetaSoundAssetSubsystem::UnregisterAssetClassesInDirectories(const TArray<FMetaSoundAssetDirectory>& InDirectories)
|
|
{
|
|
TArray<FDirectoryPath> Directories;
|
|
Algo::Transform(InDirectories, Directories, [](const FMetaSoundAssetDirectory& AssetDir) { return AssetDir.Directory; });
|
|
|
|
SearchAndIterateDirectoryAssets(Directories, [this](const FAssetData& AssetData)
|
|
{
|
|
using namespace Metasound;
|
|
using namespace Metasound::Frontend;
|
|
|
|
if (AssetData.IsAssetLoaded())
|
|
{
|
|
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);
|
|
}
|
|
}
|
|
}
|
|
});
|
|
}
|
|
|