SparseVolumeTextureViewerComponent.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "CoreMinimal.h"
#include "Components/SceneComponent.h"
#include "Components/PrimitiveComponent.h"
#include "EngineDefines.h"
#include "GameFramework/Info.h"
 
#include "SparseVolumeTexture/SparseVolumeTexture.h"
 
#include "SparseVolumeTextureViewerComponent.generated.h"
 
 
class FSparseVolumeTextureViewerSceneProxy;
 
UENUM(BlueprintType)
enum ESparseVolumeTexturePreviewAttribute : uint8
{
    ESVTPA_AttributesA_R UMETA(DisplayName = "AttributesA Red"),
    ESVTPA_AttributesA_G UMETA(DisplayName = "AttributesA Green"),
    ESVTPA_AttributesA_B UMETA(DisplayName = "AttributesA Blue"),
    ESVTPA_AttributesA_A UMETA(DisplayName = "AttributesA Alpha"),
    ESVTPA_AttributesB_R UMETA(DisplayName = "AttributesB Red"),
    ESVTPA_AttributesB_G UMETA(DisplayName = "AttributesB Green"),
    ESVTPA_AttributesB_B UMETA(DisplayName = "AttributesB Blue"),
    ESVTPA_AttributesB_A UMETA(DisplayName = "AttributesB Alpha"),
};
 
UCLASS(ClassGroup = Rendering, collapsecategories, hidecategories = (Object, Mobility, Activation, "Components|Activation"), editinlinenew, meta = (BlueprintSpawnableComponent), MinimalAPI)
class USparseVolumeTextureViewerComponent : public UPrimitiveComponent
{
    GENERATED_UCLASS_BODY()
 
    ~USparseVolumeTextureViewerComponent();
    
    UPROPERTY(EditAnywhere, BlueprintReadWrite, Category= "Asset Preview")
    TObjectPtr<class USparseVolumeTexture> SparseVolumeTexturePreview;
 
    UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = Animation, meta = (EditCondition = "bPlaying == false"))
    float Frame;
 
    UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = Animation)
    float FrameRate = 24.0f;
 
    UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = Animation)
    uint32 bPlaying : 1;
 
    UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = Animation)
    uint32 bLooping : 1;
 
    UPROPERTY(EditAnywhere, BlueprintReadOnly, Category = Animation)
    uint32 bReversePlayback : 1;
 
    UPROPERTY(EditAnywhere, BlueprintReadOnly, Category = "Asset Preview")
    uint32 bBlockingStreamingRequests : 1;
 
    UPROPERTY(EditAnywhere, BlueprintReadOnly, Category = "Asset Preview")
    uint32 bApplyPerFrameTransforms : 1;
 
    UPROPERTY(EditAnywhere, BlueprintReadOnly, Category = "Asset Preview")
    uint32 bPivotAtCentroid : 1;
 
    UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Asset Preview")
    float VoxelSize = 1.0f;
 
    UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Asset Preview")
    TEnumAsByte<ESparseVolumeTexturePreviewAttribute> PreviewAttribute;
 
    UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Asset Preview", meta = (UIMin = 0, UIMax = 11, ClampMin = 0, ClampMax = 11))
    int32 MipLevel;
 
    UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Asset Preview", meta = (UIMin = 0.0, UIMax = 1.0, ClampMin = 0))
    float Extinction = 0.025f;
 
    TObjectPtr<class USparseVolumeTextureFrame> SparseVolumeTextureFrame;
 
    //~ Begin UPrimitiveComponent Interface.
    virtual bool SupportsStaticLighting() const override { return false; }
    //~ End UPrimitiveComponent Interface.
 
    //~ Begin USceneComponent Interface.
    virtual FBoxSphereBounds CalcBounds(const FTransform& LocalToWorld) const  override;
    //~ End USceneComponent Interface.
 
 
    //~ Begin UActorComponent Interface.
    virtual void CreateRenderState_Concurrent(FRegisterComponentContext* Context) override;
    virtual void DestroyRenderState_Concurrent() override;
    virtual void SendRenderTransform_Concurrent() override;
    virtual void TickComponent(float DeltaTime, enum ELevelTick TickType, FActorComponentTickFunction* ThisTickFunction) override;
    //~ End UActorComponent Interface.
 
protected:
 
public:
 
    //~ Begin UObject Interface. 
    virtual void Serialize(FArchive& Ar) override;
#if WITH_EDITOR
    virtual void PostEditChangeProperty(FPropertyChangedEvent& PropertyChangedEvent) override;
#endif // WITH_EDITOR
    //~ End UObject Interface
 
    //~ Begin UActorComponent Interface.
#if WITH_EDITOR
    virtual void CheckForErrors() override;
#endif // WITH_EDITOR
    //~ End UActorComponent Interface.
 
private:
    void SendRenderTransformCommand();
 
    FSparseVolumeTextureViewerSceneProxy* SparseVolumeTextureViewerSceneProxy;
};
 
 
UCLASS(showcategories = (Movement, Rendering, Transformation, DataLayers, "Input|MouseInput", "Input|TouchInput"), ClassGroup = Fog, hidecategories = (Info, Object, Input), MinimalAPI)
class ASparseVolumeTextureViewer : public AInfo
{
    GENERATED_UCLASS_BODY()
 
private:
 
    UPROPERTY(BlueprintReadOnly, VisibleAnywhere, Category = Atmosphere, meta = (AllowPrivateAccess = "true"))
    TObjectPtr<class USparseVolumeTextureViewerComponent> SparseVolumeTextureViewerComponent;
 
#if WITH_EDITOR
    virtual bool ActorTypeSupportsDataLayer() const override { return true; }
#endif
 
};