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66 lines
2.0 KiB
C++
66 lines
2.0 KiB
C++
// Copyright 1998-2014 Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "ComponentVisualizer.h"
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#include "Components/SplineComponent.h"
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/** Base class for clickable spline editing proxies */
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struct HSplineVisProxy : public HComponentVisProxy
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{
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DECLARE_HIT_PROXY();
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HSplineVisProxy(const UActorComponent* InComponent)
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: HComponentVisProxy(InComponent, HPP_Wireframe)
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{}
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};
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/** Proxy for a spline key */
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struct HSplineKeyProxy : public HSplineVisProxy
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{
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DECLARE_HIT_PROXY();
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HSplineKeyProxy(const UActorComponent* InComponent, int32 InKeyIndex)
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: HSplineVisProxy(InComponent)
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, KeyIndex(InKeyIndex)
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{}
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int32 KeyIndex;
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};
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/** SplineComponent visualizer/edit functionality */
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class FSplineComponentVisualizer : public FComponentVisualizer
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{
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public:
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FSplineComponentVisualizer()
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: FComponentVisualizer()
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, SelectedKeyIndex(INDEX_NONE)
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, bAllowDuplication(true)
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{}
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// Begin FComponentVisualizer interface
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virtual void DrawVisualization(const UActorComponent* Component, const FSceneView* View, FPrimitiveDrawInterface* PDI) OVERRIDE;
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virtual bool VisProxyHandleClick(HComponentVisProxy* VisProxy) OVERRIDE;
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virtual void EndEditing() OVERRIDE;
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virtual bool GetWidgetLocation(FVector& OutLocation) OVERRIDE;
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virtual bool HandleInputDelta(FLevelEditorViewportClient* ViewportClient, FViewport* Viewport, FVector& DeltaTranslate, FRotator& DeltalRotate, FVector& DeltaScale) OVERRIDE;
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virtual bool HandleInputKey(FLevelEditorViewportClient* ViewportClient, FViewport* Viewport, FKey Key, EInputEvent Event) OVERRIDE;
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// End FComponentVisualizer interface
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/** Get the spline component we are currently editing */
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USplineComponent* GetEditedSplineComponent();
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private:
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/** Actor that owns the currently edited spline */
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TWeakObjectPtr<AActor> SplineOwningActor;
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/** Name of property on the actor that references the spline we are editing */
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FName SplineCompPropName;
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/** Index of key we have selected */
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int32 SelectedKeyIndex;
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/** Whether we currently allow duplication when dragging */
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bool bAllowDuplication;
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};
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