111 lines
5.2 KiB
C++
111 lines
5.2 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "CoreMinimal.h"
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#include "UObject/ObjectMacros.h"
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#include "Misc/Guid.h"
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#include "AnimGraphNode_Base.h"
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#include "Animation/AnimNode_CustomProperty.h"
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#include "IClassVariableCreator.h"
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#include "AnimGraphNode_CustomProperty.generated.h"
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#define UE_API ANIMGRAPH_API
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class FCompilerResultsLog;
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class IDetailLayoutBuilder;
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class IPropertyHandle;
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UCLASS(MinimalAPI, Abstract)
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class UAnimGraphNode_CustomProperty : public UAnimGraphNode_Base, public IClassVariableCreator
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{
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GENERATED_BODY()
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public:
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// UObject interface
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UE_API virtual void Serialize(FArchive& Ar) override;
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UE_API virtual void PostEditChangeProperty(FPropertyChangedEvent& PropertyChangedEvent) override;
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UE_API virtual void PostDuplicate(bool bDuplicateForPIE) override;
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// IClassVariableCreator interface
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UE_API virtual void CreateClassVariablesFromBlueprint(IAnimBlueprintVariableCreationContext& InCreationContext) override;
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//~ Begin UEdGraphNode Interface.
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UE_API virtual void ValidateAnimNodeDuringCompilation(USkeleton* ForSkeleton, FCompilerResultsLog& MessageLog) override;
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UE_API virtual UObject* GetJumpTargetForDoubleClick() const override;
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UE_API virtual bool HasExternalDependencies(TArray<class UStruct*>* OptionalOutput /*= NULL*/) const override;
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UE_API virtual void PinConnectionListChanged(UEdGraphPin* Pin) override;
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//~ End UEdGraphNode Interface.
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// UAnimGraphNode_Base interface
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UE_API virtual void CustomizeDetails(IDetailLayoutBuilder& DetailBuilder) override;
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UE_API virtual void OnProcessDuringCompilation(IAnimBlueprintCompilationContext& InCompilationContext, IAnimBlueprintGeneratedClassCompiledData& OutCompiledData) override;
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UE_API virtual void OnCopyTermDefaultsToDefaultObject(IAnimBlueprintCopyTermDefaultsContext& InCompilationContext, IAnimBlueprintNodeCopyTermDefaultsContext& InPerNodeContext, IAnimBlueprintGeneratedClassCompiledData& OutCompiledData) override;
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UE_API virtual void CreateCustomPins(TArray<UEdGraphPin*>* OldPins) override;
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UE_API virtual FProperty* GetPinProperty(FName InPinName) const override;
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UE_API virtual bool IsPinBindable(const UEdGraphPin* InPin) const override;
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UE_API virtual bool GetPinBindingInfo(FName InPinName, FName& OutBindingName, FProperty*& OutPinProperty, int32& OutOptionalPinIndex) const override;
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UE_API virtual bool HasBinding(FName InBindingName) const override;
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// Gets the property on InOwnerInstanceClass that corresponds to InInputPin
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UE_API void GetInstancePinProperty(const IAnimBlueprintCompilationContext& InCompilationContext, UEdGraphPin* InInputPin, FProperty*& OutProperty);
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// Gets the unique name for the property linked to a given pin
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UE_API FString GetPinTargetVariableName(const UEdGraphPin* InPin) const;
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// Gets the unique name for the property linked to a given pin name
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UE_API FString GetPinTargetVariableName(FName InPinName) const;
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// Gets Target Class this properties to link
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UE_API UClass* GetTargetClass() const;
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// Add Source and Target Properties - Check FAnimNode_CustomProperty
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UE_API void AddSourceTargetProperties(const FName& InSourcePropertyName, const FName& InTargetPropertyName);
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// Helper used to get the skeleton class we are targeting
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UE_API virtual UClass* GetTargetSkeletonClass() const;
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// ----- UI CALLBACKS ----- //
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// User changed the instance class etc.
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UE_API void OnStructuralPropertyChanged(IDetailLayoutBuilder* DetailBuilder);
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// User changed the instance class
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UE_API void OnInstanceClassChanged(IDetailLayoutBuilder* DetailBuilder);
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protected:
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friend struct FCustomPropertyOptionalPinManager;
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friend class SAnimationGraphNode;
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friend class UAnimationGraphSchema;
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/** List of property names we know to exist on the target class, so we can detect when
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* Properties are added or removed on reconstruction
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* Deprecated, use CustomPinProperties instead.
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*/
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UPROPERTY()
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TArray<FName> KnownExposableProperties_DEPRECATED;
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/** Names of properties the user has chosen to expose. Deprecated, use CustomPinProperties instead. */
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UPROPERTY()
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TArray<FName> ExposedPropertyNames_DEPRECATED;
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/** Exposed pin data for custom properties */
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UPROPERTY()
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TArray<FOptionalPinFromProperty> CustomPinProperties;
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// Gets a property's type as FText (for UI)
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UE_API FText GetPropertyTypeText(FProperty* Property);
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// internal node accessor
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virtual FAnimNode_CustomProperty* GetCustomPropertyNode() PURE_VIRTUAL(UAnimGraphNode_CustomProperty::GetCustomPropertyNode, return nullptr;);
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virtual const FAnimNode_CustomProperty* GetCustomPropertyNode() const PURE_VIRTUAL(UAnimGraphNode_CustomProperty::GetCustomPropertyNode, return nullptr;);
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// Check whether the specified property is structural (i.e. should we rebuild the UI if it changes)
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virtual bool IsStructuralProperty(FProperty* InProperty) const { return false; }
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// Whether this node needs a valid target class up-front
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virtual bool NeedsToSpecifyValidTargetClass() const { return true; }
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// Sets the visibility of the specified pin, reconstructs the node if it changes
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UE_API void SetCustomPinVisibility(bool bInVisible, int32 InOptionalPinIndex);
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// Helper function for GetPinTargetVariableName
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UE_API FString GetPinTargetVariableNameBase(FName InPinName) const;
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};
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#undef UE_API
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