Added Tobii from 4.23 + updated

Source/TobiiGTOM/Private/TobiiGTOMOcclusionTester.h

@@ -0,0 +1,50 @@
+/******************************************************************************
+* Copyright 2017- Tobii Technology AB. All rights reserved.
+*
+* @author Temaran | Fredrik Lindh | fredrik.lindh@tobii.com | https://github.com/Temaran
+******************************************************************************/
+
+#pragma once
+
+#if TOBII_EYETRACKING_ACTIVE
+
+#include "TobiiGazeFocusableComponent.h"
+#include "tobii_g2om.h"
+
+#include "CoreMinimal.h"
+#include "IEyeTracker.h"
+#include "GameFramework/PlayerController.h"
+
+enum class ETobiiTrackingBlastMode : uint8
+{
+	NoTrackingBlasts = 0
+	, OnlyTrackMissedObjects = 1
+	, TrackAllObjects = 2
+};
+
+struct FTobiiGTOMOcclusionData
+{
+public:
+	TWeakObjectPtr<AActor> ParentActor;
+	TWeakObjectPtr<UPrimitiveComponent> PrimitiveComponent;
+	TWeakObjectPtr<UTobiiGazeFocusableComponent> FocusableComponent;
+	FVector LastKnownVisibleWorldSpaceLocation;
+	FDateTime LastHitTime;
+};
+
+class FTobiiGTOMOcclusionTester
+{
+public:
+	FTobiiGTOMOcclusionTester();
+	virtual ~FTobiiGTOMOcclusionTester() {}
+
+	//Returns the visible set
+	const TMap<FEngineFocusableUID, FTobiiGTOMOcclusionData>& Tick(float DeltaTimeSecs, APlayerController* PlayerController, const FEyeTrackerGazeData& GazeData, g2om_gaze_data& G2OMGazeData, g2om_context* G2OMContext);
+
+private:
+	TMap<FEngineFocusableUID, FTobiiGTOMOcclusionData> VisibleSet;
+
+	void TestRay(const FDateTime& UtcNow, APlayerController* PlayerController, const FVector& Origin, const FVector& Direction, const FCollisionQueryParams& Params);
+};
+
+#endif //TOBII_EYETRACKING_ACTIVE