DataflowDebugDrawComponent.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once 
 
#include "DataflowContent.h"
#include "Debug/DebugDrawComponent.h"
#include "DataflowDebugDrawComponent.generated.h"
 
struct IDataflowDebugDrawObject;
 
UCLASS(MinimalAPI)
class UDataflowDebugDrawComponent : public UDebugDrawComponent
{
    GENERATED_BODY()
 
private:
    virtual FDebugRenderSceneProxy* CreateDebugSceneProxy() override;
    virtual FBoxSphereBounds CalcBounds(const FTransform& LocalToWorld) const override;
};
 
class FDataflowDebugRenderSceneProxy final : public FDebugRenderSceneProxy
{
public:
 
    FDataflowDebugRenderSceneProxy(const UPrimitiveComponent* InComponent);
 
    void ClearAll();
 
    struct FDebugPoint
    {
        FVector Position;
        float   Size = 0;
        FLinearColor Color = FLinearColor::White;
        ESceneDepthPriorityGroup Priority = ESceneDepthPriorityGroup::SDPG_World;
    };
    
    void AddPoint(const FDebugPoint& Point);
 
    void AddObject(const TRefCountPtr<IDataflowDebugDrawObject>& Object);
 
    void ReservePoints(int32 NumAdditionalPoints);
 
private:
        
    friend class UDataflowDebugDrawComponent;
    TArray<FDebugPoint> Points;
 
    TArray<TRefCountPtr<IDataflowDebugDrawObject>> Objects;
 
private:
    virtual void GetDynamicMeshElementsForView(const FSceneView* View, const int32 ViewIndex, const FSceneViewFamily& ViewFamily, const uint32 VisibilityMap, FMeshElementCollector& Collector, FMaterialCache& DefaultMaterialCache, FMaterialCache& SolidMeshMaterialCache) const override;
    virtual FPrimitiveViewRelevance GetViewRelevance(const FSceneView* View) const override;
};