ARTextures.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "CoreMinimal.h"
#include "UObject/ObjectMacros.h"
#include "Engine/Texture.h"
#include "Engine/TextureCube.h"
#include "ARTextures.generated.h"
 
UENUM(BlueprintType, Category="AR AugmentedReality", meta=(Experimental))
enum class EARTextureType : uint8
{
    Unknown,
    CameraImage,
    CameraDepth,
    EnvironmentCapture,
    PersonSegmentationImage,
    PersonSegmentationDepth,
    SceneDepthMap,
    SceneDepthConfidenceMap,
};
 
UCLASS(MinimalAPI, Abstract, BlueprintType)
class UARTexture : public UTexture
{
    GENERATED_UCLASS_BODY()
 
public:
    template<class T>
    static T* CreateARTexture(EARTextureType InTextureType)
    {
        auto NewTexture = NewObject<T>();
        NewTexture->TextureType = InTextureType;
        check(NewTexture->TextureType != EARTextureType::Unknown);
        return NewTexture;
    }
    
    // UTexture interface implementation
    virtual float GetSurfaceWidth() const override { return Size.X; }
    virtual float GetSurfaceHeight() const override { return Size.Y; }
    virtual float GetSurfaceDepth() const override { return 0; }
    virtual uint32 GetSurfaceArraySize() const override { return 0; }
    virtual FGuid GetExternalTextureGuid() const override { return ExternalTextureGuid; }
    virtual ETextureClass GetTextureClass() const { return ETextureClass::Other2DNoSource; }
    // End UTexture interface
    
    UPROPERTY(BlueprintReadOnly, Category="AR AugmentedReality", meta=(Experimental))
    EARTextureType TextureType = EARTextureType::Unknown;
 
    UPROPERTY(BlueprintReadOnly, Category="AR AugmentedReality", meta=(Experimental))
    float Timestamp;
 
    UPROPERTY(BlueprintReadOnly, Category="AR AugmentedReality", meta=(Experimental))
    FGuid ExternalTextureGuid;
 
    UPROPERTY(BlueprintReadOnly, Category="AR AugmentedReality", meta=(Experimental))
    FVector2f Size;
};
 
UCLASS(MinimalAPI, Abstract, BlueprintType)
class UARTextureCameraImage : public UARTexture
{
    GENERATED_UCLASS_BODY()
};
 
UENUM(BlueprintType, Category="AR AugmentedReality", meta=(Experimental))
enum class EARDepthQuality : uint8
{
    Unkown,
    Low,
    High
};
 
UENUM(BlueprintType, Category="AR AugmentedReality", meta=(Experimental))
enum class EARDepthAccuracy : uint8
{
    Unkown,
    Approximate,
    Accurate
};
 
UCLASS(MinimalAPI, Abstract, BlueprintType)
class UARTextureCameraDepth : public UARTexture
{
    GENERATED_UCLASS_BODY()
 
public:
    UPROPERTY(BlueprintReadOnly, Category="AR AugmentedReality", meta=(Experimental))
    EARDepthQuality DepthQuality;
 
    UPROPERTY(BlueprintReadOnly, Category="AR AugmentedReality", meta=(Experimental))
    EARDepthAccuracy DepthAccuracy;
 
    UPROPERTY(BlueprintReadOnly, Category="AR AugmentedReality", meta=(Experimental))
    bool bIsTemporallySmoothed;
};
 
UCLASS(MinimalAPI, Abstract, BlueprintType)
class UAREnvironmentCaptureProbeTexture : public UTextureCube
{
    GENERATED_UCLASS_BODY()
    
public:
    // UTexture interface implementation
    virtual float GetSurfaceWidth() const override { return Size.X; }
    virtual float GetSurfaceHeight() const override { return Size.Y; }
    virtual float GetSurfaceDepth() const override { return 0; }
    virtual uint32 GetSurfaceArraySize() const override { return 6; }
    virtual FGuid GetExternalTextureGuid() const override { return ExternalTextureGuid; }
    // End UTexture interface
    
    UPROPERTY(BlueprintReadOnly, Category="AR AugmentedReality", meta=(Experimental))
    EARTextureType TextureType;
    
    UPROPERTY(BlueprintReadOnly, Category="AR AugmentedReality", meta=(Experimental))
    float Timestamp;
    
    UPROPERTY(BlueprintReadOnly, Category="AR AugmentedReality", meta=(Experimental))
    FGuid ExternalTextureGuid;
    
    UPROPERTY(BlueprintReadOnly, Category="AR AugmentedReality", meta=(Experimental))
    FVector2f Size;
};