Files
UnrealEngine/Engine/Source/Editor/AnimGraph/Private/EditModes/FabrikEditMode.cpp
2025-05-18 13:04:45 +08:00

65 lines
2.1 KiB
C++

// Copyright Epic Games, Inc. All Rights Reserved.
#include "EditModes/FabrikEditMode.h"
#include "AnimGraphNode_Base.h"
#include "AnimGraphNode_Fabrik.h"
#include "Animation/AnimTypes.h"
#include "Animation/DebugSkelMeshComponent.h"
#include "BoneControllers/AnimNode_Fabrik.h"
#include "Containers/EnumAsByte.h"
#include "IPersonaPreviewScene.h"
#include "Math/Transform.h"
#include "Math/Vector.h"
#include "Templates/Casts.h"
class USkeletalMeshComponent;
struct FBoneSocketTarget;
void FFabrikEditMode::EnterMode(class UAnimGraphNode_Base* InEditorNode, struct FAnimNode_Base* InRuntimeNode)
{
RuntimeNode = static_cast<FAnimNode_Fabrik*>(InRuntimeNode);
GraphNode = CastChecked<UAnimGraphNode_Fabrik>(InEditorNode);
FAnimNodeEditMode::EnterMode(InEditorNode, InRuntimeNode);
}
void FFabrikEditMode::ExitMode()
{
RuntimeNode = nullptr;
GraphNode = nullptr;
FAnimNodeEditMode::ExitMode();
}
FVector FFabrikEditMode::GetWidgetLocation() const
{
USkeletalMeshComponent* SkelComp = GetAnimPreviewScene().GetPreviewMeshComponent();
FBoneSocketTarget& Target = RuntimeNode->EffectorTarget;
FVector Location = RuntimeNode->EffectorTransform.GetLocation();
EBoneControlSpace Space = RuntimeNode->EffectorTransformSpace;
FVector WidgetLoc = ConvertWidgetLocation(SkelComp, RuntimeNode->ForwardedPose, Target, Location, Space);
return WidgetLoc;
}
UE::Widget::EWidgetMode FFabrikEditMode::GetWidgetMode() const
{
// allow translation all the time for effectot target
return UE::Widget::WM_Translate;
}
bool FFabrikEditMode::UsesTransformWidget(UE::Widget::EWidgetMode InWidgetMode) const
{
return InWidgetMode == UE::Widget::WM_Translate;
}
void FFabrikEditMode::DoTranslation(FVector& InTranslation)
{
USkeletalMeshComponent* SkelComp = GetAnimPreviewScene().GetPreviewMeshComponent();
FVector Offset = ConvertCSVectorToBoneSpace(SkelComp, InTranslation, RuntimeNode->ForwardedPose, RuntimeNode->EffectorTarget, RuntimeNode->EffectorTransformSpace);
RuntimeNode->EffectorTransform.AddToTranslation(Offset);
GraphNode->Node.EffectorTransform.SetTranslation(RuntimeNode->EffectorTransform.GetTranslation());
}