124 lines
3.4 KiB
C++
124 lines
3.4 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 "BaseBehaviors/BehaviorTargetInterfaces.h"
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#include "InteractiveToolActivity.h"
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#include "InteractiveToolChange.h" //FToolCommandChange
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#include "ToolContextInterfaces.h" // FViewCameraState
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#include "PolyEditCutFacesActivity.generated.h"
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#define UE_API MESHMODELINGTOOLS_API
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class UPolyEditActivityContext;
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class UPolyEditPreviewMesh;
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class UCollectSurfacePathMechanic;
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UENUM()
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enum class EPolyEditCutPlaneOrientation
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{
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FaceNormals,
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ViewDirection
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};
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UCLASS(MinimalAPI)
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class UPolyEditCutProperties : public UInteractiveToolPropertySet
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{
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GENERATED_BODY()
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public:
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UPROPERTY(EditAnywhere, Category = Cut)
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EPolyEditCutPlaneOrientation Orientation = EPolyEditCutPlaneOrientation::FaceNormals;
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UPROPERTY(EditAnywhere, Category = Cut)
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bool bSnapToVertices = true;
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};
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/**
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*
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*/
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UCLASS(MinimalAPI)
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class UPolyEditCutFacesActivity : public UInteractiveToolActivity,
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public IClickBehaviorTarget, public IHoverBehaviorTarget
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{
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GENERATED_BODY()
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public:
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// IInteractiveToolActivity
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UE_API virtual void Setup(UInteractiveTool* ParentTool) override;
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UE_API virtual void Shutdown(EToolShutdownType ShutdownType) override;
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UE_API virtual bool CanStart() const override;
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UE_API virtual EToolActivityStartResult Start() override;
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virtual bool IsRunning() const override { return bIsRunning; }
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UE_API virtual bool CanAccept() const override;
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UE_API virtual EToolActivityEndResult End(EToolShutdownType) override;
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UE_API virtual void Render(IToolsContextRenderAPI* RenderAPI) override;
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UE_API virtual void Tick(float DeltaTime) override;
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// IClickBehaviorTarget API
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UE_API virtual FInputRayHit IsHitByClick(const FInputDeviceRay& ClickPos) override;
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UE_API virtual void OnClicked(const FInputDeviceRay& ClickPos) override;
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// IHoverBehaviorTarget implementation
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UE_API virtual FInputRayHit BeginHoverSequenceHitTest(const FInputDeviceRay& PressPos) override;
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virtual void OnBeginHover(const FInputDeviceRay& DevicePos) override {}
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UE_API virtual bool OnUpdateHover(const FInputDeviceRay& DevicePos) override;
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virtual void OnEndHover() override {}
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protected:
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UE_API void Clear();
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UE_API void BeginCutFaces();
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UE_API void ApplyCutFaces();
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UPROPERTY()
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TObjectPtr<UPolyEditCutProperties> CutProperties;
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UPROPERTY()
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TObjectPtr<UPolyEditPreviewMesh> EditPreview;
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UPROPERTY()
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TObjectPtr<UCollectSurfacePathMechanic> SurfacePathMechanic = nullptr;
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UPROPERTY()
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TObjectPtr<UPolyEditActivityContext> ActivityContext;
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bool bIsRunning = false;
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int32 ActivityStamp = 1;
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FViewCameraState CameraState;
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friend class FPolyEditCutFacesActivityFirstPointChange;
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};
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/**
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* This should get emitted when setting the first point so that we can undo it.
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*/
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class FPolyEditCutFacesActivityFirstPointChange : public FToolCommandChange
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{
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public:
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FPolyEditCutFacesActivityFirstPointChange(int32 CurrentActivityStamp)
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: ActivityStamp(CurrentActivityStamp)
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{};
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virtual void Apply(UObject* Object) override {};
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UE_API virtual void Revert(UObject* Object) override;
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virtual bool HasExpired(UObject* Object) const override
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{
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return bHaveDoneUndo || Cast<UPolyEditCutFacesActivity>(Object)->ActivityStamp != ActivityStamp;
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}
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virtual FString ToString() const override
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{
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return TEXT("FPolyEditCutFacesActivityFirstPointChange");
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}
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protected:
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int32 ActivityStamp;
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bool bHaveDoneUndo = false;
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};
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#undef UE_API
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