// Copyright Epic Games, Inc. All Rights Reserved. #include "AnimGraphNode_BoneDrivenController.h" #include "PrimitiveDrawingUtils.h" #include "Components/SkeletalMeshComponent.h" #include "Widgets/Text/STextBlock.h" #include "Kismet2/CompilerResultsLog.h" #include "PropertyHandle.h" #include "DetailLayoutBuilder.h" #include "DetailWidgetRow.h" #include "IDetailPropertyRow.h" #include "DetailCategoryBuilder.h" #include "AnimationCustomVersion.h" #define LOCTEXT_NAMESPACE "A3Nodes" UAnimGraphNode_BoneDrivenController::UAnimGraphNode_BoneDrivenController(const FObjectInitializer& ObjectInitializer) :Super(ObjectInitializer) { } void UAnimGraphNode_BoneDrivenController::Serialize(FArchive& Ar) { Super::Serialize(Ar); Ar.UsingCustomVersion(FAnimationCustomVersion::GUID); const int32 AnimVersion = Ar.CustomVer(FAnimationCustomVersion::GUID); if (AnimVersion < FAnimationCustomVersion::BoneDrivenControllerRemapping) { if (AnimVersion < FAnimationCustomVersion::BoneDrivenControllerMatchingMaya) { // The node used to be able to only drive a single component rather than a selection of components Node.ConvertTargetComponentToBits(); // The old definition of range was clamping the output, rather than the input if (Node.bUseRange && !FMath::IsNearlyZero(Node.Multiplier)) { // Before: Output = clamp(Input * Multipler) // After: Output = clamp(Input) * Multiplier Node.RangeMin /= Node.Multiplier; Node.RangeMax /= Node.Multiplier; } } Node.RemappedMin = Node.RangeMin; Node.RemappedMax = Node.RangeMax; } } FText UAnimGraphNode_BoneDrivenController::GetTooltipText() const { return LOCTEXT("UAnimGraphNode_BoneDrivenController_ToolTip", "Drives the transform of a bone or morph target using the transform of another bone"); } FText UAnimGraphNode_BoneDrivenController::GetNodeTitle(ENodeTitleType::Type TitleType) const { if ((Node.SourceBone.BoneName == NAME_None) && (Node.TargetBone.BoneName == NAME_None) && ((TitleType == ENodeTitleType::ListView) || (TitleType == ENodeTitleType::MenuTitle))) { return GetControllerDescription(); } else { // Determine the mapping FText FinalSourceExpression; { FFormatNamedArguments SourceArgs; SourceArgs.Add(TEXT("SourceBone"), FText::FromName(Node.SourceBone.BoneName)); SourceArgs.Add(TEXT("SourceComponent"), ComponentTypeToText(Node.SourceComponent)); if (Node.DrivingCurve != nullptr) { FinalSourceExpression = LOCTEXT("BoneDrivenByCurve", "curve({SourceBone}.{SourceComponent})"); } else { if (Node.bUseRange) { if (Node.Multiplier == 1.0f) { FinalSourceExpression = LOCTEXT("WithRangeBoneMultiplierIs1", "remap({SourceBone}.{SourceComponent})"); } else { SourceArgs.Add(TEXT("Multiplier"), FText::AsNumber(Node.Multiplier)); FinalSourceExpression = LOCTEXT("WithRangeNonUnityMultiplier", "remap({SourceBone}.{SourceComponent}) * {Multiplier}"); } } else { if (Node.Multiplier == 1.0f) { FinalSourceExpression = LOCTEXT("BoneMultiplierIs1", "{SourceBone}.{SourceComponent}"); } else { SourceArgs.Add(TEXT("Multiplier"), FText::AsNumber(Node.Multiplier)); FinalSourceExpression = LOCTEXT("NonUnityMultiplier", "{SourceBone}.{SourceComponent} * {Multiplier}"); } } } FinalSourceExpression = FText::Format(FinalSourceExpression, SourceArgs); } FFormatNamedArguments Args; Args.Add(TEXT("ControllerDesc"), GetControllerDescription()); Args.Add(TEXT("ParameterName"), FText::FromName(Node.ParameterName)); Args.Add(TEXT("TargetBone"), FText::FromName(Node.TargetBone.BoneName)); // Determine the target component int32 NumComponents = 0; EComponentType::Type TargetComponent = EComponentType::None; #define UE_CHECK_TARGET_COMPONENT(ComponentProperty, ComponentChoice) if (ComponentProperty) { ++NumComponents; TargetComponent = ComponentChoice; } UE_CHECK_TARGET_COMPONENT(Node.bAffectTargetTranslationX, EComponentType::TranslationX); UE_CHECK_TARGET_COMPONENT(Node.bAffectTargetTranslationY, EComponentType::TranslationY); UE_CHECK_TARGET_COMPONENT(Node.bAffectTargetTranslationZ, EComponentType::TranslationZ); UE_CHECK_TARGET_COMPONENT(Node.bAffectTargetRotationX, EComponentType::RotationX); UE_CHECK_TARGET_COMPONENT(Node.bAffectTargetRotationY, EComponentType::RotationY); UE_CHECK_TARGET_COMPONENT(Node.bAffectTargetRotationZ, EComponentType::RotationZ); UE_CHECK_TARGET_COMPONENT(Node.bAffectTargetScaleX, EComponentType::ScaleX); UE_CHECK_TARGET_COMPONENT(Node.bAffectTargetScaleY, EComponentType::ScaleY); UE_CHECK_TARGET_COMPONENT(Node.bAffectTargetScaleZ, EComponentType::ScaleZ); Args.Add(TEXT("TargetComponents"), (NumComponents <= 1) ? ComponentTypeToText(TargetComponent) : LOCTEXT("MultipleTargetComponents", "multiple")); if ((TitleType == ENodeTitleType::ListView) || (TitleType == ENodeTitleType::MenuTitle)) { Args.Add(TEXT("Delim"), FText::FromString(TEXT(" - "))); } else { Args.Add(TEXT("Delim"), FText::FromString(TEXT("\n"))); } Args.Add(TEXT("SourceExpression"), FinalSourceExpression); FText FormattedText; if (Node.DestinationMode == EDrivenDestinationMode::Bone) { FormattedText = FText::Format(LOCTEXT("AnimGraphNode_BoneDrivenController_Title_Bone", "{TargetBone}.{TargetComponents} = {SourceExpression}{Delim}{ControllerDesc}"), Args); } else if ( Node.DestinationMode == EDrivenDestinationMode::MorphTarget || Node.DestinationMode == EDrivenDestinationMode::MaterialParameter) { FormattedText = FText::Format(LOCTEXT("AnimGraphNode_BoneDrivenController_Title_Curve", "{ParameterName} = {SourceExpression}{Delim}{ControllerDesc}"), Args); } return FormattedText; } } FText UAnimGraphNode_BoneDrivenController::GetControllerDescription() const { return LOCTEXT("BoneDrivenController", "Bone Driven Controller"); } void UAnimGraphNode_BoneDrivenController::Draw(FPrimitiveDrawInterface* PDI, USkeletalMeshComponent* SkelMeshComp) const { static const float ArrowHeadWidth = 5.0f; static const float ArrowHeadHeight = 8.0f; const int32 SourceIdx = SkelMeshComp->GetBoneIndex(Node.SourceBone.BoneName); const int32 TargetIdx = SkelMeshComp->GetBoneIndex(Node.TargetBone.BoneName); if ((SourceIdx != INDEX_NONE) && (TargetIdx != INDEX_NONE)) { const FTransform SourceTM = SkelMeshComp->GetComponentSpaceTransforms()[SourceIdx] * SkelMeshComp->GetComponentTransform(); const FTransform TargetTM = SkelMeshComp->GetComponentSpaceTransforms()[TargetIdx] * SkelMeshComp->GetComponentTransform(); PDI->DrawLine(TargetTM.GetLocation(), SourceTM.GetLocation(), FLinearColor(0.0f, 0.0f, 1.0f), SDPG_Foreground, 0.5f); const FVector ToTarget = TargetTM.GetTranslation() - SourceTM.GetTranslation(); const FVector UnitToTarget = ToTarget.GetSafeNormal(); FVector Midpoint = SourceTM.GetTranslation() + 0.5f * ToTarget + 0.5f * UnitToTarget * ArrowHeadHeight; FVector YAxis; FVector ZAxis; UnitToTarget.FindBestAxisVectors(YAxis, ZAxis); const FMatrix ArrowMatrix(UnitToTarget, YAxis, ZAxis, Midpoint); DrawConnectedArrow(PDI, ArrowMatrix, FLinearColor(0.0f, 1.0f, 0.0), ArrowHeadHeight, ArrowHeadWidth, SDPG_Foreground); PDI->DrawPoint(SourceTM.GetTranslation(), FLinearColor(0.8f, 0.8f, 0.2f), 5.0f, SDPG_Foreground); PDI->DrawPoint(SourceTM.GetTranslation() + ToTarget, FLinearColor(0.8f, 0.8f, 0.2f), 5.0f, SDPG_Foreground); } } void UAnimGraphNode_BoneDrivenController::ValidateAnimNodeDuringCompilation(USkeleton* ForSkeleton, FCompilerResultsLog& MessageLog) { if (ForSkeleton->GetReferenceSkeleton().FindBoneIndex(Node.SourceBone.BoneName) == INDEX_NONE) { MessageLog.Warning(*LOCTEXT("DriverJoint_NoSourceBone", "@@ - You must pick a source bone as the Driver joint").ToString(), this); } if (Node.SourceComponent == EComponentType::None) { MessageLog.Warning(*LOCTEXT("DriverJoint_NoSourceComponent", "@@ - You must pick a source component on the Driver joint").ToString(), this); } if (Node.DestinationMode == EDrivenDestinationMode::Bone) { if (ForSkeleton->GetReferenceSkeleton().FindBoneIndex(Node.TargetBone.BoneName) == INDEX_NONE) { MessageLog.Warning(*LOCTEXT("DriverJoint_NoTargetBone", "@@ - You must pick a target bone as the Driven joint").ToString(), this); } const bool bAffectsTranslation = Node.bAffectTargetTranslationX || Node.bAffectTargetTranslationY || Node.bAffectTargetTranslationZ; const bool bAffectsRotation = Node.bAffectTargetRotationX || Node.bAffectTargetRotationY || Node.bAffectTargetRotationZ; const bool bAffectsScale = Node.bAffectTargetScaleX || Node.bAffectTargetScaleY || Node.bAffectTargetScaleZ; if (!bAffectsTranslation && !bAffectsRotation && !bAffectsScale) { MessageLog.Warning(*LOCTEXT("DriverJoint_NoTargetComponent", "@@ - You must pick one or more target components on the Driven joint").ToString(), this); } } Super::ValidateAnimNodeDuringCompilation(ForSkeleton, MessageLog); } void UAnimGraphNode_BoneDrivenController::AddTripletPropertyRow(const FText& Name, const FText& Tooltip, IDetailCategoryBuilder& Category, TSharedRef PropertyHandle, const FName XPropertyName, const FName YPropertyName, const FName ZPropertyName, TAttribute VisibilityAttribute) { const float XYZPadding = 5.0f; TSharedPtr XProperty = PropertyHandle->GetChildHandle(XPropertyName); Category.GetParentLayout().HideProperty(XProperty); TSharedPtr YProperty = PropertyHandle->GetChildHandle(YPropertyName); Category.GetParentLayout().HideProperty(YProperty); TSharedPtr ZProperty = PropertyHandle->GetChildHandle(ZPropertyName); Category.GetParentLayout().HideProperty(ZProperty); Category.AddCustomRow(Name) .Visibility(VisibilityAttribute) .NameContent() [ SNew(STextBlock) .Text(Name) .ToolTipText(Tooltip) .Font(IDetailLayoutBuilder::GetDetailFont()) ] .ValueContent() [ SNew(SHorizontalBox) + SHorizontalBox::Slot() .Padding(0.f, 0.f, XYZPadding, 0.f) .AutoWidth() [ SNew(SHorizontalBox) + SHorizontalBox::Slot() .AutoWidth() [ XProperty->CreatePropertyNameWidget() ] + SHorizontalBox::Slot() .AutoWidth() [ XProperty->CreatePropertyValueWidget() ] ] + SHorizontalBox::Slot() .Padding(0.f, 0.f, XYZPadding, 0.f) .AutoWidth() [ SNew(SHorizontalBox) + SHorizontalBox::Slot() .AutoWidth() [ YProperty->CreatePropertyNameWidget() ] + SHorizontalBox::Slot() .AutoWidth() [ YProperty->CreatePropertyValueWidget() ] ] + SHorizontalBox::Slot() .Padding(0.f, 0.f, XYZPadding, 0.f) .AutoWidth() [ SNew(SHorizontalBox) + SHorizontalBox::Slot() .AutoWidth() [ ZProperty->CreatePropertyNameWidget() ] + SHorizontalBox::Slot() .AutoWidth() [ ZProperty->CreatePropertyValueWidget() ] ] ]; } void UAnimGraphNode_BoneDrivenController::AddRangePropertyRow(const FText& Name, const FText& Tooltip, IDetailCategoryBuilder& Category, TSharedRef PropertyHandle, const FName MinPropertyName, const FName MaxPropertyName, TAttribute VisibilityAttribute) { const float MiddlePadding = 4.0f; TSharedPtr MinProperty = PropertyHandle->GetChildHandle(MinPropertyName); Category.GetParentLayout().HideProperty(MinProperty); TSharedPtr MaxProperty = PropertyHandle->GetChildHandle(MaxPropertyName); Category.GetParentLayout().HideProperty(MaxProperty); Category.AddCustomRow(Name) .Visibility(VisibilityAttribute) .NameContent() [ SNew(STextBlock) .Text(Name) .ToolTipText(Tooltip) .Font(IDetailLayoutBuilder::GetDetailFont()) ] .ValueContent() .MinDesiredWidth(100.0f * 2.0f) .MaxDesiredWidth(100.0f * 2.0f) [ SNew(SHorizontalBox) +SHorizontalBox::Slot() .FillWidth(1) .Padding(0.0f, 0.0f, MiddlePadding, 0.0f) .VAlign(VAlign_Center) [ MinProperty->CreatePropertyValueWidget() ] +SHorizontalBox::Slot() .AutoWidth() [ SNew(STextBlock) .Text(LOCTEXT("MinMaxSpacer", "..")) .Font(IDetailLayoutBuilder::GetDetailFont()) ] +SHorizontalBox::Slot() .FillWidth(1) .Padding(MiddlePadding, 0.0f, 0.0f, 0.0f) .VAlign(VAlign_Center) [ MaxProperty->CreatePropertyValueWidget() ] ]; } void UAnimGraphNode_BoneDrivenController::CustomizeDetails(IDetailLayoutBuilder& DetailBuilder) { Super::CustomizeDetails(DetailBuilder); TSharedRef NodeHandle = DetailBuilder.GetProperty(GET_MEMBER_NAME_CHECKED(UAnimGraphNode_BoneDrivenController, Node), GetClass()); // if it doesn't have this node, that means this isn't really bone driven controller if (!NodeHandle->IsValidHandle()) { return; } TAttribute NotUsingCurveVisibility = TAttribute::Create(TAttribute::FGetter::CreateStatic(&UAnimGraphNode_BoneDrivenController::AreNonCurveMappingValuesVisible, &DetailBuilder)); TAttribute MapRangeVisiblity = TAttribute::Create(TAttribute::FGetter::CreateStatic(&UAnimGraphNode_BoneDrivenController::AreRemappingValuesVisible, &DetailBuilder)); // Source (Driver) category IDetailCategoryBuilder& SourceCategory = DetailBuilder.EditCategory(TEXT("Source (Driver)")); // Mapping category IDetailCategoryBuilder& MappingCategory = DetailBuilder.EditCategory(TEXT("Mapping")); MappingCategory.AddProperty(NodeHandle->GetChildHandle(GET_MEMBER_NAME_CHECKED(FAnimNode_BoneDrivenController, DrivingCurve))); MappingCategory.AddProperty(NodeHandle->GetChildHandle(GET_MEMBER_NAME_CHECKED(FAnimNode_BoneDrivenController, bUseRange))).Visibility(NotUsingCurveVisibility); AddRangePropertyRow( /*Name=*/ LOCTEXT("InputRangeLabel", "Source Range"), /*Tooltip=*/ LOCTEXT("InputRangeTooltip", "The range (relative to the reference pose) over which to limit the effect of the input component on the output component"), /*Category=*/ MappingCategory, /*PropertyHandle=*/ NodeHandle, /*X=*/ GET_MEMBER_NAME_CHECKED(FAnimNode_BoneDrivenController, RangeMin), /*Y=*/ GET_MEMBER_NAME_CHECKED(FAnimNode_BoneDrivenController, RangeMax), MapRangeVisiblity); AddRangePropertyRow( /*Name=*/ LOCTEXT("MappedRangeLabel", "Mapped Range"), /*Tooltip=*/ LOCTEXT("MappedRangeTooltip", "The range of mapped values that correspond to the input range"), /*Category=*/ MappingCategory, /*PropertyHandle=*/ NodeHandle, /*X=*/ GET_MEMBER_NAME_CHECKED(FAnimNode_BoneDrivenController, RemappedMin), /*Y=*/ GET_MEMBER_NAME_CHECKED(FAnimNode_BoneDrivenController, RemappedMax), MapRangeVisiblity); MappingCategory.AddProperty(NodeHandle->GetChildHandle(GET_MEMBER_NAME_CHECKED(FAnimNode_BoneDrivenController, Multiplier))).Visibility(NotUsingCurveVisibility); // Destination visiblity TAttribute BoneTargetVisibility = TAttribute::Create(TAttribute::FGetter::CreateStatic(&UAnimGraphNode_BoneDrivenController::AreTargetBonePropertiesVisible, &DetailBuilder)); TAttribute CurveTargetVisibility = TAttribute::Create(TAttribute::FGetter::CreateStatic(&UAnimGraphNode_BoneDrivenController::AreTargetCurvePropertiesVisible, &DetailBuilder)); // Destination (Driven) category IDetailCategoryBuilder& TargetCategory = DetailBuilder.EditCategory(TEXT("Destination (Driven)")); TargetCategory.AddProperty(NodeHandle->GetChildHandle(GET_MEMBER_NAME_CHECKED(FAnimNode_BoneDrivenController, DestinationMode))); TargetCategory.AddProperty(NodeHandle->GetChildHandle(GET_MEMBER_NAME_CHECKED(FAnimNode_BoneDrivenController, ParameterName))).Visibility(CurveTargetVisibility); TargetCategory.AddProperty(NodeHandle->GetChildHandle(GET_MEMBER_NAME_CHECKED(FAnimNode_BoneDrivenController, TargetBone))).Visibility(BoneTargetVisibility); // Add a note about the space (it is not configurable, and this helps set expectations) const FText TargetBoneSpaceName = LOCTEXT("TargetComponentSpace", "Target Component Space"); TargetCategory.AddCustomRow(TargetBoneSpaceName) .NameContent() [ SNew(STextBlock) .Text(TargetBoneSpaceName) .Font(IDetailLayoutBuilder::GetDetailFont()) ] .ValueContent() [ SNew(STextBlock) .Text(LOCTEXT("TargetComponentSpaceIsAlwaysParentBoneSpace", "Parent Bone Space")) .Font(IDetailLayoutBuilder::GetDetailFont()) ] .Visibility(BoneTargetVisibility); AddTripletPropertyRow( /*Name=*/ LOCTEXT("DrivenTranslationLabel", "Translation"), /*Tooltip=*/ LOCTEXT("DrivenTranslationTooltip", "Should the source bone drive one or more translation components of the target bone?"), /*Category=*/ TargetCategory, /*PropertyHandle=*/ NodeHandle, /*X=*/ GET_MEMBER_NAME_CHECKED(FAnimNode_BoneDrivenController, bAffectTargetTranslationX), /*Y=*/ GET_MEMBER_NAME_CHECKED(FAnimNode_BoneDrivenController, bAffectTargetTranslationY), /*Z=*/ GET_MEMBER_NAME_CHECKED(FAnimNode_BoneDrivenController, bAffectTargetTranslationZ), BoneTargetVisibility); AddTripletPropertyRow( /*Name=*/ LOCTEXT("DrivenRotationLabel", "Rotation"), /*Tooltip=*/ LOCTEXT("DrivenRotationTooltip", "Should the source bone drive one or more rotation components of the target bone?"), /*Category=*/ TargetCategory, /*PropertyHandle=*/ NodeHandle, /*X=*/ GET_MEMBER_NAME_CHECKED(FAnimNode_BoneDrivenController, bAffectTargetRotationX), /*Y=*/ GET_MEMBER_NAME_CHECKED(FAnimNode_BoneDrivenController, bAffectTargetRotationY), /*Z=*/ GET_MEMBER_NAME_CHECKED(FAnimNode_BoneDrivenController, bAffectTargetRotationZ), BoneTargetVisibility); AddTripletPropertyRow( /*Name=*/ LOCTEXT("DrivenScaleLabel", "Scale"), /*Tooltip=*/ LOCTEXT("DrivenScaleTooltip", "Should the source bone drive one or more scale components of the target bone?"), /*Category=*/ TargetCategory, /*PropertyHandle=*/ NodeHandle, /*X=*/ GET_MEMBER_NAME_CHECKED(FAnimNode_BoneDrivenController, bAffectTargetScaleX), /*Y=*/ GET_MEMBER_NAME_CHECKED(FAnimNode_BoneDrivenController, bAffectTargetScaleY), /*Z=*/ GET_MEMBER_NAME_CHECKED(FAnimNode_BoneDrivenController, bAffectTargetScaleZ), BoneTargetVisibility); TargetCategory.AddProperty(NodeHandle->GetChildHandle(GET_MEMBER_NAME_CHECKED(FAnimNode_BoneDrivenController, ModificationMode))).Visibility(BoneTargetVisibility); } FText UAnimGraphNode_BoneDrivenController::ComponentTypeToText(EComponentType::Type Component) { switch (Component) { case EComponentType::TranslationX: return LOCTEXT("ComponentType_TranslationX", "translateX"); case EComponentType::TranslationY: return LOCTEXT("ComponentType_TranslationY", "translateY"); case EComponentType::TranslationZ: return LOCTEXT("ComponentType_TranslationZ", "translateZ"); case EComponentType::RotationX: return LOCTEXT("ComponentType_RotationX", "rotateX"); case EComponentType::RotationY: return LOCTEXT("ComponentType_RotationY", "rotateY"); case EComponentType::RotationZ: return LOCTEXT("ComponentType_RotationZ", "rotateZ"); case EComponentType::Scale: return LOCTEXT("ComponentType_ScaleMax", "scaleMax"); case EComponentType::ScaleX: return LOCTEXT("ComponentType_ScaleX", "scaleX"); case EComponentType::ScaleY: return LOCTEXT("ComponentType_ScaleY", "scaleY"); case EComponentType::ScaleZ: return LOCTEXT("ComponentType_ScaleZ", "scaleZ"); default: return LOCTEXT("ComponentType_None", "(none)"); } } EVisibility UAnimGraphNode_BoneDrivenController::AreNonCurveMappingValuesVisible(IDetailLayoutBuilder* DetailLayoutBuilder) { const TArray>& SelectedObjectsList = DetailLayoutBuilder->GetSelectedObjects(); for(TWeakObjectPtr Object : SelectedObjectsList) { if(UAnimGraphNode_BoneDrivenController* BoneDrivenController = Cast(Object.Get())) { if (BoneDrivenController->Node.DrivingCurve == nullptr) { return EVisibility::Visible; } } } return EVisibility::Collapsed; } EVisibility UAnimGraphNode_BoneDrivenController::AreRemappingValuesVisible(IDetailLayoutBuilder* DetailLayoutBuilder) { const TArray>& SelectedObjectsList = DetailLayoutBuilder->GetSelectedObjects(); for(TWeakObjectPtr Object : SelectedObjectsList) { if(UAnimGraphNode_BoneDrivenController* BoneDrivenController = Cast(Object.Get())) { if((BoneDrivenController->Node.DrivingCurve == nullptr) && BoneDrivenController->Node.bUseRange) { return EVisibility::Visible; } } } return EVisibility::Collapsed; } EVisibility UAnimGraphNode_BoneDrivenController::AreTargetBonePropertiesVisible(IDetailLayoutBuilder* DetailLayoutBuilder) { const TArray>& SelectedObjectsList = DetailLayoutBuilder->GetSelectedObjects(); for(TWeakObjectPtr Object : SelectedObjectsList) { if(UAnimGraphNode_BoneDrivenController* BoneDrivenController = Cast(Object.Get())) { if(BoneDrivenController->Node.DestinationMode == EDrivenDestinationMode::Bone) { return EVisibility::Visible; } } } return EVisibility::Collapsed; } EVisibility UAnimGraphNode_BoneDrivenController::AreTargetCurvePropertiesVisible(IDetailLayoutBuilder* DetailLayoutBuilder) { TArray> SelectedObjectsList = DetailLayoutBuilder->GetSelectedObjects(); for(TWeakObjectPtr Object : SelectedObjectsList) { if(UAnimGraphNode_BoneDrivenController* BoneDrivenController = Cast(Object.Get())) { if(BoneDrivenController->Node.DestinationMode == EDrivenDestinationMode::MorphTarget || BoneDrivenController->Node.DestinationMode == EDrivenDestinationMode::MaterialParameter) { return EVisibility::Visible; } } } return EVisibility::Collapsed; } #undef LOCTEXT_NAMESPACE