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

127 lines
6.3 KiB
C++

// Copyright Epic Games, Inc. All Rights Reserved.
#pragma once
#include "Animation/AnimTypes.h"
#include "BonePose.h"
#include "Containers/Array.h"
#include "CoreMinimal.h"
#include "Engine/EngineBaseTypes.h"
#include "IAnimNodeEditMode.h"
#include "IPersonaPreviewScene.h"
#include "InputCoreTypes.h"
#include "Math/Matrix.h"
#include "Math/Quat.h"
#include "Math/Rotator.h"
#include "Math/Sphere.h"
#include "Math/Transform.h"
#include "Math/UnrealMathSSE.h"
#include "UObject/NameTypes.h"
#include "UnrealWidgetFwd.h"
class FCanvas;
class FEditorViewportClient;
class FPrimitiveDrawInterface;
class FSceneView;
class FText;
class FViewport;
class HHitProxy;
class UAnimGraphNode_Base;
class USkeletalMeshComponent;
struct FAnimNode_Base;
struct FBoneSocketTarget;
struct FCompactHeapPose;
struct FViewportClick;
template <class PoseType> struct FCSPose;
/** Base implementation for anim node edit modes */
class ANIMGRAPH_API FAnimNodeEditMode : public IAnimNodeEditMode
{
public:
FAnimNodeEditMode();
/** IAnimNodeEditMode interface */
virtual ECoordSystem GetWidgetCoordinateSystem() const override;
virtual UE::Widget::EWidgetMode GetWidgetMode() const override;
virtual UE::Widget::EWidgetMode ChangeToNextWidgetMode(UE::Widget::EWidgetMode CurWidgetMode) override;
virtual bool SetWidgetMode(UE::Widget::EWidgetMode InWidgetMode) override;
virtual FName GetSelectedBone() const override;
virtual void DoTranslation(FVector& InTranslation) override;
virtual void DoRotation(FRotator& InRotation) override;
virtual void DoScale(FVector& InScale) override;
virtual void EnterMode(class UAnimGraphNode_Base* InEditorNode, struct FAnimNode_Base* InRuntimeNode) override;
virtual void ExitMode() override;
virtual bool SupportsPoseWatch() override { return false; };
/** 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 void Render(const FSceneView* View, FViewport* Viewport, FPrimitiveDrawInterface* PDI) override;
virtual void DrawHUD(FEditorViewportClient* ViewportClient, FViewport* Viewport, const FSceneView* View, FCanvas* Canvas) override;
virtual bool HandleClick(FEditorViewportClient* InViewportClient, HHitProxy* HitProxy, const FViewportClick& Click) override;
virtual FVector GetWidgetLocation() const override;
virtual bool StartTracking(FEditorViewportClient* InViewportClient, FViewport* InViewport) override;
virtual bool EndTracking(FEditorViewportClient* InViewportClient, FViewport* InViewport) override;
virtual bool InputKey(FEditorViewportClient* InViewportClient, FViewport* InViewport, FKey InKey, EInputEvent InEvent) override;
virtual bool InputDelta(FEditorViewportClient* InViewportClient, FViewport* InViewport, FVector& InDrag, FRotator& InRot, FVector& InScale) override;
virtual bool GetCustomDrawingCoordinateSystem(FMatrix& InMatrix, void* InData) override;
virtual bool GetCustomInputCoordinateSystem(FMatrix& InMatrix, void* InData) override;
virtual bool ShouldDrawWidget() const override;
virtual void Tick(FEditorViewportClient* ViewportClient, float DeltaTime) override;
virtual void Exit() override;
virtual void RegisterPoseWatchedNode(UAnimGraphNode_Base* InEditorNode, FAnimNode_Base* InRuntimeNode);
struct EditorRuntimeNodePair
{
EditorRuntimeNodePair(UAnimGraphNode_Base* InEditorAnimNode, FAnimNode_Base* InRuntimeAnimNode)
: EditorAnimNode(InEditorAnimNode)
, RuntimeAnimNode(InRuntimeAnimNode)
{}
/** The node we are operating on */
UAnimGraphNode_Base* EditorAnimNode;
/** The runtime node in the preview scene */
FAnimNode_Base* RuntimeAnimNode;
};
// Start IGizmoEdModeInterface overrides
virtual bool BeginTransform(const FGizmoState& InState) override;
virtual bool EndTransform(const FGizmoState& InState) override;
// End IGizmoEdModeInterface overrides
protected:
// local conversion functions for drawing
static void ConvertToComponentSpaceTransform(const USkeletalMeshComponent* SkelComp, const FTransform & InTransform, FTransform & OutCSTransform, int32 BoneIndex, EBoneControlSpace Space);
static void ConvertToBoneSpaceTransform(const USkeletalMeshComponent* SkelComp, const FTransform & InCSTransform, FTransform & OutBSTransform, int32 BoneIndex, EBoneControlSpace Space);
// convert drag vector in component space to bone space
static FVector ConvertCSVectorToBoneSpace(const USkeletalMeshComponent* SkelComp, FVector& InCSVector, FCSPose<FCompactHeapPose>& MeshBases, const FName& BoneName, const EBoneControlSpace Space);
static FVector ConvertCSVectorToBoneSpace(const USkeletalMeshComponent* SkelComp, FVector& InCSVector, FCSPose<FCompactHeapPose>& MeshBases, const FBoneSocketTarget& InTarget, const EBoneControlSpace Space);
// convert rotator in component space to bone space
static FQuat ConvertCSRotationToBoneSpace(const USkeletalMeshComponent* SkelComp, FRotator& InCSRotator, FCSPose<FCompactHeapPose>& MeshBases, const FName& BoneName, const EBoneControlSpace Space);
// convert widget location according to bone control space
static FVector ConvertWidgetLocation(const USkeletalMeshComponent* InSkelComp, FCSPose<FCompactHeapPose>& InMeshBases, const FName& BoneName, const FVector& InLocation, const EBoneControlSpace Space);
static FVector ConvertWidgetLocation(const USkeletalMeshComponent* InSkelComp, FCSPose<FCompactHeapPose>& InMeshBases, const FBoneSocketTarget& Target, const FVector& InLocation, const EBoneControlSpace Space);
virtual UAnimGraphNode_Base* GetActiveWidgetAnimNode() const; // Return the editor node associated with the selected widget. All widget operations are performed on this node.
virtual FAnimNode_Base* GetActiveWidgetRuntimeAnimNode() const; // Return the runtime node associated with the selected widget. All widget operations are performed on this node.
const bool IsManipulatingWidget() const { return bManipulating; }
// Manage the start and end of a transform action in the viewport.
bool HandleBeginTransform();
bool HandleEndTransform();
TArray< EditorRuntimeNodePair > SelectedAnimNodes; // Selected Anim Graph Nodes
TArray< EditorRuntimeNodePair > PoseWatchedAnimNodes; // Pose Watched Anim Graph Nodes.
private:
bool bManipulating;
bool bInTransaction;
};