90 lines
3.3 KiB
C++
90 lines
3.3 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "Internationalization/Text.h"
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#include "MetasoundBasicNode.h"
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#include "MetasoundBuildError.h"
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#include "MetasoundBuilderInterface.h"
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#include "MetasoundExecutableOperator.h"
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#include "MetasoundFrontendDataTypeTraits.h"
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#include "MetasoundNodeInterface.h"
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#include "MetasoundNodeRegistrationMacro.h"
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#include "MetasoundOperatorInterface.h"
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#include "MetasoundNode.h"
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#include "MetasoundVertex.h"
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#include "Templates/SharedPointer.h"
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#include "UObject/NameTypes.h"
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#define UE_API METASOUNDFRONTEND_API
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#define LOCTEXT_NAMESPACE "MetasoundGraphCore"
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namespace Metasound
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{
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namespace OutputNodePrivate
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{
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class FOutputOperatorFactory;
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}
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/** FMissingOutputNodeInputReferenceError
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*
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* Caused by Output not being able to generate an IOperator instance due to
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* the type requiring an input reference (i.e. it is not default constructable).
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*/
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class FMissingOutputNodeInputReferenceError : public FBuildErrorBase
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{
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public:
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FMissingOutputNodeInputReferenceError(const INode& InNode, const FText& InDataType)
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: FBuildErrorBase(
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"MetasoundMissingOutputDataReferenceForTypeError",
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METASOUND_LOCTEXT_FORMAT("MissingOutputNodeInputReferenceForTypeError", "Missing required output node input reference for type {0}.", InDataType))
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{
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AddNode(InNode);
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}
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FMissingOutputNodeInputReferenceError(const INode& InNode)
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: FBuildErrorBase(
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"MetasoundMissingOutputDataReferenceError",
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METASOUND_LOCTEXT("MissingOutputNodeInputReferenceError", "Missing required output node input reference."))
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{
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AddNode(InNode);
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}
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virtual ~FMissingOutputNodeInputReferenceError() = default;
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};
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class FOutputNode : public FBasicNode
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{
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public:
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UE_API FOutputNode(const FVertexName& InVertexName, FNodeData InNodeData, TSharedRef<const FNodeClassMetadata> InClassMetadata);
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static UE_API FName GetVariantName(EVertexAccessType InVertexAccessType);
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static UE_API FNodeClassMetadata CreateNodeClassMetadata(const FVertexName& InVertexName, const FName& InDataTypeName, EVertexAccessType InVertexAccessType);
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static UE_API FVertexInterface CreateVertexInterface(const FVertexName& InVertexName, const FName& InDataTypeName, EVertexAccessType InVertexAccessType);
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UE_API virtual TSharedRef<IOperatorFactory, ESPMode::ThreadSafe> GetDefaultOperatorFactory() const override;
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private:
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TSharedRef<OutputNodePrivate::FOutputOperatorFactory, ESPMode::ThreadSafe> Factory;
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};
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/** Output nodes are used to expose graph data to external entities. */
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template<typename DataType, EVertexAccessType VertexAccess=EVertexAccessType::Reference>
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class TOutputNode : public FOutputNode
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{
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public:
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TOutputNode(const FVertexName& InInstanceName, const FGuid& InInstanceID, const FVertexName& InVertexName)
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: TOutputNode(InVertexName, FNodeData{InInstanceName, InInstanceID, FOutputNode::CreateVertexInterface(InVertexName, GetMetasoundDataTypeName<DataType>(), VertexAccess)}, MakeShared<FNodeClassMetadata>(FOutputNode::CreateNodeClassMetadata(InVertexName, GetMetasoundDataTypeName<DataType>(), VertexAccess)))
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{
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}
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TOutputNode(const FVertexName& InVertexName, FNodeData InNodeData, TSharedRef<const FNodeClassMetadata> InClassMetadata)
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: FOutputNode(InVertexName, MoveTemp(InNodeData), MoveTemp(InClassMetadata))
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{
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}
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};
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}
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#undef LOCTEXT_NAMESPACE // MetasoundOutputNode
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#undef UE_API
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