DynamicPrimitiveDrawing.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
/*=============================================================================
    DynamicPrimitiveDrawing.h: Dynamic primitive drawing definitions.
=============================================================================*/
 
#pragma once
 
#include "CoreMinimal.h"
#include "SceneManagement.h"
#include "SceneRendering.h"
 
class FGPUScenePrimitiveCollector;
 
class FViewElementPDI : public FPrimitiveDrawInterface
{
public:
 
    FViewElementPDI(FViewInfo* InViewInfo,FHitProxyConsumer* InHitProxyConsumer, FGPUScenePrimitiveCollector *InDynamicPrimitiveCollector);
 
    // FPrimitiveDrawInterface interface.
    virtual bool IsHitTesting() override;
    virtual void SetHitProxy(HHitProxy* HitProxy) override;
    virtual void RegisterDynamicResource(FDynamicPrimitiveResource* DynamicResource) override;
    virtual void AddReserveLines(uint8 DepthPriorityGroup, int32 NumLines, bool bDepthBiased = false, bool bThickLines = false) override;
    virtual void DrawSprite(
        const FVector& Position,
        float SizeX,
        float SizeY,
        const FTexture* Sprite,
        const FLinearColor& Color,
        uint8 DepthPriorityGroup,
        float U,
        float UL,
        float V,
        float VL,
        uint8 BlendMode = SE_BLEND_Masked,
        float OpacityMaskRefVal = .5f
        ) override;
 
    virtual void DrawLine(
        const FVector& Start,
        const FVector& End,
        const FLinearColor& Color,
        uint8 DepthPriorityGroup,
        float Thickness = 0.0f,
        float DepthBias = 0.0f,
        bool bScreenSpace = false
        ) override;
    virtual void DrawTranslucentLine(
        const FVector& Start,
        const FVector& End,
        const FLinearColor& Color,
        uint8 DepthPriorityGroup,
        float Thickness = 0.0f,
        float DepthBias = 0.0f,
        bool bScreenSpace = false
    ) override;
    virtual void DrawPoint(
        const FVector& Position,
        const FLinearColor& Color,
        float PointSize,
        uint8 DepthPriorityGroup
        ) override;
    virtual int32 DrawMesh(const FMeshBatch& Mesh) override;
 
private:
    FViewInfo* ViewInfo;
    TRefCountPtr<HHitProxy> CurrentHitProxy;
    FHitProxyConsumer* HitProxyConsumer;
    FGPUScenePrimitiveCollector* DynamicPrimitiveCollector;
 
    FBatchedElements& GetElements(uint8 DepthPriorityGroup) const;
};
 
#include "DynamicPrimitiveDrawing.inl" // IWYU pragma: export