IHandTracker.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "Containers/Array.h"
#include "CoreMinimal.h"
#include "Features/IModularFeature.h"
#include "Math/Quat.h"
#include "Math/Transform.h"
#include "Math/UnrealMathSSE.h"
#include "UObject/NameTypes.h"
 
enum class EControllerHand : uint8;
enum class EHandKeypoint : uint8;
 
class IHandTracker : public IModularFeature
{
public:
    static FName GetModularFeatureName()
    {
        static FName FeatureName = FName(TEXT("HandTracker"));
        return FeatureName;
    }
 
    virtual FName GetHandTrackerDeviceTypeName() const = 0;
 
 
    virtual bool IsHandTrackingStateValid() const = 0;
 
    virtual bool GetKeypointState(EControllerHand Hand, EHandKeypoint Keypoint, FTransform& OutTransform, float& OutRadius) const = 0;
 
    virtual bool GetAllKeypointStates(EControllerHand Hand, TArray<FVector>& OutPositions, TArray<FQuat>& OutRotations, TArray<float>& OutRadii, bool& OutIsTracked) const = 0;
 
    virtual bool HasHandMeshData() const
    {
        return false;
    }
 
    virtual bool GetHandMeshData(EControllerHand Hand, TArray<FVector>& OutVertices, TArray<FVector>& OutNormals, TArray<int32>& OutIndices, FTransform& OutHandMeshTransform) const
    {
        return false;
    }
};