Files
UnrealEngine/Engine/Source/Editor/Persona/Public/SkeletonSelectionEditMode.h
2025-05-18 13:04:45 +08:00

74 lines
3.1 KiB
C++

// Copyright Epic Games, Inc. All Rights Reserved.
#pragma once
#include "CoreMinimal.h"
#include "UnrealWidgetFwd.h"
#include "IPersonaEditMode.h"
class FCanvas;
class FEditorViewportClient;
class FPrimitiveDrawInterface;
class FSceneView;
class FViewport;
class USkeletalMeshSocket;
class USkeletalMeshComponent;
struct FViewportClick;
struct FSelectedSocketInfo;
class FViewportClient;
struct FReferenceSkeleton;
struct FGizmoState;
class FSkeletonSelectionEditMode : public IPersonaEditMode
{
public:
FSkeletonSelectionEditMode();
/** IPersonaEditMode interface */
virtual bool GetCameraTarget(FSphere& OutTarget) const override;
virtual class IPersonaPreviewScene& GetAnimPreviewScene() const override;
virtual void GetOnScreenDebugInfo(TArray<FText>& OutDebugInfo) const override;
/** FEdMode interface */
virtual bool StartTracking(FEditorViewportClient* InViewportClient, FViewport* InViewport) override;
virtual bool EndTracking(FEditorViewportClient* InViewportClient, FViewport* InViewport) override;
virtual bool InputDelta(FEditorViewportClient* InViewportClient, FViewport* InViewport, FVector& InDrag, FRotator& InRot, FVector& InScale) override;
virtual void DrawHUD(FEditorViewportClient* ViewportClient, FViewport* Viewport, const FSceneView* View, FCanvas* Canvas) override;
virtual bool AllowWidgetMove() override;
virtual bool ShouldDrawWidget() const override;
virtual bool UsesTransformWidget() const override;
virtual bool UsesTransformWidget(UE::Widget::EWidgetMode CheckMode) const override;
virtual FVector GetWidgetLocation() const override;
virtual bool GetCustomDrawingCoordinateSystem(FMatrix& InMatrix, void* InData) override;
virtual bool GetCustomInputCoordinateSystem(FMatrix& InMatrix, void* InData) override;
virtual bool HandleClick(FEditorViewportClient* InViewportClient, HHitProxy *HitProxy, const FViewportClick &Click) override;
virtual bool CanCycleWidgetMode() const override;
virtual bool FrustumSelect(const FConvexVolume& InFrustum, FEditorViewportClient* InViewportClient, bool InSelect = true) override;
virtual bool BeginTransform(const FGizmoState& InState) override;
virtual bool EndTransform(const FGizmoState& InState) override;
protected:
FTransform GetBoneTransform(const int32 BoneIndex) const;
FTransform GetSocketTransform(const USkeletalMeshSocket* Socket) const;
FTransform GetWorldSpaceBoneTransform(const FReferenceSkeleton& ReferenceSkeleton, const int32 BoneIndex) const;
const FReferenceSkeleton& GetReferenceSkeletonForComponent(const USkeletalMeshComponent* Component) const;
private:
/** Duplicates and selects a socket when we alt-drag */
FSelectedSocketInfo DuplicateAndSelectSocket(const FSelectedSocketInfo& SocketInfoToDuplicate);
/** Check whether the currently selected bone is in the required bones list */
bool IsSelectedBoneRequired() const;
/** Unscale a viewport's size by its DPI factor */
static FIntPoint GetDPIUnscaledSize(FViewport* Viewport, FViewportClient* Client);
private:
/** Whether we are currently in a manipulation */
bool bManipulating;
/** Whether we are currently in a transaction */
bool bInTransaction;
};