154 lines
5.4 KiB
C++
154 lines
5.4 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 "AnimGraphNode_CustomProperty.h"
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#include "AnimNodes/AnimNode_IKRig.h"
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#include "IDetailCustomNodeBuilder.h"
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#include "AnimGraphNode_IKRig.generated.h"
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class FPrimitiveDrawInterface;
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class USkeletalMeshComponent;
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/////////////////////////////////////////////////////
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// FIKRigGoalLayout
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class FIKRigGoalLayout : public IDetailCustomNodeBuilder, public TSharedFromThis<FIKRigGoalLayout>
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{
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public:
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FIKRigGoalLayout(TSharedPtr<IPropertyHandle> InGoalPropHandle,
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const bool InExposePosition,
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const bool InExposeRotation)
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: GoalPropHandle(InGoalPropHandle)
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, bExposePosition(InExposePosition)
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, bExposeRotation(InExposeRotation)
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{}
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/** IDetailCustomNodeBuilder Interface*/
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virtual void GenerateHeaderRowContent(FDetailWidgetRow& InOutGoalRow) override;
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virtual void GenerateChildContent(IDetailChildrenBuilder& InOutChildrenBuilder) override;
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virtual void Tick(float DeltaTime) override {}
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virtual bool RequiresTick() const override { return false; }
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virtual FName GetName() const override;
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virtual bool InitiallyCollapsed() const override { return true; }
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static FName GetGoalName(TSharedPtr<IPropertyHandle> InGoalHandle);
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private:
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EIKRigGoalTransformSource GetTransformSource() const;
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const struct FReferenceSkeleton& GetReferenceSkeleton() const;
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TSharedPtr<IPropertyHandle> GetBoneNameHandle() const;
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void OnBoneSelectionChanged(FName Name) const;
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FName GetSelectedBone(bool& bMultipleValues) const;
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TSharedRef<SWidget> CreatePropertyWidget() const;
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TSharedRef<SWidget> CreateBoneValueWidget() const;
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TSharedRef<SWidget> CreateValueWidget() const;
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TSharedPtr<IPropertyHandle> GoalPropHandle = nullptr;
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bool bExposePosition = false;
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bool bExposeRotation = false;
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};
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/////////////////////////////////////////////////////
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// FIKRigGoalArrayLayout
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class FIKRigGoalArrayLayout : public IDetailCustomNodeBuilder, public TSharedFromThis<FIKRigGoalArrayLayout>
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{
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public:
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FIKRigGoalArrayLayout(TSharedPtr<IPropertyHandle> InNodePropHandle)
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: NodePropHandle(InNodePropHandle)
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{}
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virtual ~FIKRigGoalArrayLayout() {}
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/** IDetailCustomNodeBuilder Interface*/
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virtual void SetOnRebuildChildren(FSimpleDelegate InOnRegenerateChildren) override {}
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virtual void GenerateHeaderRowContent(FDetailWidgetRow& NodeRow) override {}
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virtual void GenerateChildContent(IDetailChildrenBuilder& ChildrenBuilder) override;
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virtual void Tick(float DeltaTime) override {}
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virtual bool RequiresTick() const override { return false; }
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virtual FName GetName() const override { return NAME_None; }
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virtual bool InitiallyCollapsed() const override { return false; }
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private:
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TSharedPtr<IPropertyHandle> NodePropHandle;
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};
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// Editor node for IKRig
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UCLASS()
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class IKRIGDEVELOPER_API UAnimGraphNode_IKRig : public UAnimGraphNode_CustomProperty
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{
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GENERATED_BODY()
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UPROPERTY(EditAnywhere, Category = Settings)
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FAnimNode_IKRig Node;
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public:
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UAnimGraphNode_IKRig() = default;
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virtual ~UAnimGraphNode_IKRig();
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// UEdGraphNode interface
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virtual FText GetNodeTitle(ENodeTitleType::Type TitleType) const override;
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virtual void PostEditChangeProperty(struct FPropertyChangedEvent& PropertyChangedEvent) override;
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virtual void CreateCustomPins(TArray<UEdGraphPin*>* InOldPins) override;
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virtual void CustomizeDetails(IDetailLayoutBuilder& DetailBuilder) override;
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virtual void CustomizePinData(UEdGraphPin* Pin, FName SourcePropertyName, int32 ArrayIndex) const override;
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// End of UEdGraphNode interface
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// UAnimGraphNode_Base interface
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virtual void CopyNodeDataToPreviewNode(FAnimNode_Base* AnimNode) override;
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virtual void Draw(FPrimitiveDrawInterface* PDI, USkeletalMeshComponent* PreviewSkelMeshComp) const override;
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virtual void ValidateAnimNodeDuringCompilation(USkeleton* ForSkeleton, FCompilerResultsLog& MessageLog) override;
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// End of UAnimGraphNode_Base interface
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// UK2Node interface
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UObject* GetJumpTargetForDoubleClick() const;
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// END UK2Node
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// Begin UObject Interface.
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virtual void PostLoad() override;
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virtual void PostEditUndo() override;
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// End UObject Interface.
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virtual bool NeedsToSpecifyValidTargetClass() const override { return false; }
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protected:
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virtual FAnimNode_CustomProperty* GetCustomPropertyNode() override { return &Node; }
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virtual const FAnimNode_CustomProperty* GetCustomPropertyNode() const override { return &Node; }
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private:
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// set pin's default value based on the FIKRigGoal default struct
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static void SetPinDefaultValue(UEdGraphPin* InPin, const FName& InPropertyName);
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// create custom pins from exposed goals as defined in the rig definition asset
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void CreateCustomPinsFromValidAsset();
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// recreate custom pins from old pins if the rig definition asset is not completely loaded
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void CreateCustomPinsFromUnloadedAsset(TArray<UEdGraphPin*>* InOldPins);
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// Handle to the registered delegate
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FDelegateHandle OnAssetPropertyChangedHandle;
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// Global callback to anticipate on changes to the asset / goals
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bool NeedsUpdate(UObject* ObjectBeingModified, FPropertyChangedEvent& PropertyChangedEvent) const;
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void OnPropertyChanged(UObject* ObjectBeingModified, FPropertyChangedEvent& PropertyChangedEvent);
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void BindPropertyChanges();
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// update the goals' array within the anim node based on the asset
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void UpdateGoalsFromAsset();
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// setup goal based on it's asset definition
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static void SetupGoal(const UIKRigEffectorGoal* InAssetGoal, FIKRigGoal& OutGoal);
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};
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