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44c1bb3292
#rb: none #fyi: Laurent.Delayen, Thomas.Sarkanen [CL 11088765 by Lina Halper in Main branch]
117 lines
3.7 KiB
C++
117 lines
3.7 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "RigVMNode.h"
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#include "RigVMLink.h"
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#include "RigVMNotifications.h"
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#include "Nodes/RigVMVariableNode.h"
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#include "Nodes/RigVMParameterNode.h"
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#include "RigVMCompiler/RigVMAST.h"
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#include "RigVMGraph.generated.h"
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/**
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* The Graph represents a Function definition
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* using Nodes as statements.
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* Graphs can be compiled into a URigVM using the
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* FRigVMCompiler.
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* Graphs provide access to its Nodes, Pins and
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* Links.
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*/
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UCLASS(BlueprintType)
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class RIGVMDEVELOPER_API URigVMGraph : public UObject
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{
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GENERATED_BODY()
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public:
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// Default constructor
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URigVMGraph();
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// Returns all of the Nodes within this Graph.
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UFUNCTION(BlueprintCallable, Category = RigVMGraph)
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const TArray<URigVMNode*>& GetNodes() const;
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// Returns all of the Links within this Graph.
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UFUNCTION(BlueprintCallable, Category = RigVMGraph)
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const TArray<URigVMLink*>& GetLinks() const;
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// Returns a list of unique Variable descriptions within this Graph.
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// Multiple Variable Nodes can share the same description.
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UFUNCTION(BlueprintCallable, Category = RigVMGraph)
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TArray<FRigVMGraphVariableDescription> GetVariableDescriptions() const;
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// Returns a list of unique Parameter descriptions within this Graph.
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// Multiple Parameter Nodes can share the same description.
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UFUNCTION(BlueprintCallable, Category = RigVMGraph)
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TArray<FRigVMGraphParameterDescription> GetParameterDescriptions() const;
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// Returns a Node given its name (or nullptr).
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UFUNCTION(BlueprintCallable, Category = RigVMGraph)
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URigVMNode* FindNodeByName(const FName& InNodeName) const;
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// Returns a Node given its path (or nullptr).
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// (for now this is the same as finding a node by its name.)
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UFUNCTION(BlueprintCallable, Category = RigVMGraph)
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URigVMNode* FindNode(const FString& InNodePath) const;
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// Returns a Pin given its path, for example "Node.Color.R".
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UFUNCTION(BlueprintCallable, Category = RigVMGraph)
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URigVMPin* FindPin(const FString& InPinPath) const;
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// Returns a link given its string representation,
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// for example "NodeA.Color.R -> NodeB.Translation.X"
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UFUNCTION(BlueprintCallable, Category = RigVMGraph)
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URigVMLink* FindLink(const FString& InLinkPinPathRepresentation) const;
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// Returns true if a Node with a given name is selected.
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UFUNCTION(BlueprintCallable, Category = RigVMGraph)
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bool IsNodeSelected(const FName& InNodeName) const;
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// Returns the names of all currently selected Nodes.
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UFUNCTION(BlueprintCallable, Category = RigVMGraph)
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const TArray<FName>& GetSelectNodes() const;
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// Returns the modified event, which can be used to
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// subscribe to changes happening within the Graph.
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FRigVMGraphModifiedEvent& OnModified();
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void PrepareCycleChecking(URigVMPin* InPin, bool bAsInput);
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virtual bool CanLink(URigVMPin* InSourcePin, URigVMPin* InTargetPin, FString* OutFailureReason = nullptr);
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TSharedPtr<FRigVMParserAST> GetDiagnosticsAST(bool bForceRefresh = false);
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TSharedPtr<FRigVMParserAST> GetRuntimeAST(const FRigVMParserASTSettings& InSettings = FRigVMParserASTSettings::Optimized(), bool bForceRefresh = false);
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void ClearAST(bool bClearDiagnostics = true, bool bClearRuntime = true);
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private:
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void RepopulatePinLinks();
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FRigVMGraphModifiedEvent ModifiedEvent;
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void Notify(ERigVMGraphNotifType InNotifType, UObject* InSubject);
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UPROPERTY()
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TArray<URigVMNode*> Nodes;
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UPROPERTY()
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TArray<URigVMLink*> Links;
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UPROPERTY()
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TArray<FName> SelectedNodes;
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TSharedPtr<FRigVMParserAST> DiagnosticsAST;
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TSharedPtr<FRigVMParserAST> RuntimeAST;
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#if WITH_EDITOR
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TArray<TSharedPtr<FString>> VariableNames;
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TArray<TSharedPtr<FString>> ParameterNames;
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#endif
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bool IsNameAvailable(const FString& InName);
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friend class URigVMController;
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friend class URigVMCompiler;
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friend struct FRigVMControllerObjectFactory;
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};
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