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#rb Rob.Gay #jira UEAU-780 [FYI] Dan.Reynolds #preflight 60a6af8629bb870001c7b53e #ROBOMERGE-SOURCE: CL 16408345 in //UE5/Private-Frosty/... #ROBOMERGE-BOT: STARSHIP (Private-Frosty -> Main) (v804-16311228) [CL 16412437 by phil popp in ue5-main branch]
80 lines
2.9 KiB
C++
80 lines
2.9 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "MetasoundFrontendStandardController.h"
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namespace Metasound
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{
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namespace Frontend
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{
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/** Controller for nodes representing subgraphs. Handles synchronization
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* of node interface to subgraph interface.
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*/
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class FSubgraphNodeController : public FBaseNodeController
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{
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// Private token only allows members or friends to call constructor.
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enum EPrivateToken { Token };
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using Super = FBaseNodeController;
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public:
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struct FInitParams
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{
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FNodeAccessPtr NodePtr;
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FConstClassAccessPtr ClassPtr;
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FGraphAccessPtr GraphPtr;
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FGraphHandle OwningGraph;
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};
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// Constructor takes a private token so it can only be instantiated by
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// using the static creation functions. This protects against some
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// error conditions which would result in a zombie object. The creation
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// methods can detect the error conditions and return an invalid controller
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// on error
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FSubgraphNodeController(EPrivateToken InToken, const FInitParams& InParams);
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/** Create a node handle for a external or subgraph node.
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*
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* @return A Node handle. On error, an invalid node handle is returned.
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*/
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static FNodeHandle CreateNodeHandle(const FInitParams& InParams);
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/** Create a node handle for a external or subgraph node.
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*
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* @return A Node handle. On error, an invalid node handle is returned.
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*/
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static FConstNodeHandle CreateConstNodeHandle(const FInitParams& InParams);
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virtual ~FSubgraphNodeController() = default;
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bool IsValid() const override;
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int32 GetNumInputs() const override;
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int32 GetNumOutputs() const override;
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protected:
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FDocumentAccess ShareAccess() override;
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FConstDocumentAccess ShareAccess() const override;
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TArray<FBaseNodeController::FInputControllerParams> GetInputControllerParams() const override;
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TArray<FBaseNodeController::FOutputControllerParams> GetOutputControllerParams() const override;
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TArray<FBaseNodeController::FInputControllerParams> GetInputControllerParamsWithVertexName(const FString& InName) const override;
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TArray<FBaseNodeController::FOutputControllerParams> GetOutputControllerParamsWithVertexName(const FString& InName) const override;
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bool FindInputControllerParamsWithID(FGuid InVertexID, FInputControllerParams& OutParams) const override;
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bool FindOutputControllerParamsWithID(FGuid InVertexID, FOutputControllerParams& OutParams) const override;
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private:
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void ConformNodeInterfaceToClassInterface();
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FInputHandle CreateInputController(FGuid InVertexID, FConstVertexAccessPtr InNodeVertexPtr, FConstClassInputAccessPtr InClassInputPtr, FNodeHandle InOwningNode) const override;
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FOutputHandle CreateOutputController(FGuid InVertexID, FConstVertexAccessPtr InNodeVertexPtr, FConstClassOutputAccessPtr InClassOutputPtr, FNodeHandle InOwningNode) const override;
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FGraphAccessPtr GraphPtr;
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};
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}
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}
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