Added Tobii from 4.23 + updated

Source/TobiiGTOM/Public/TobiiGazeFocusManagerComponent.h

@@ -0,0 +1,88 @@
+/******************************************************************************
+* Copyright 2017- Tobii Technology AB. All rights reserved.
+*
+* @author Temaran | Fredrik Lindh | fredrik.lindh@tobii.com | https://github.com/Temaran
+******************************************************************************/
+
+#pragma once
+
+#include "TobiiGTOMTypes.h"
+
+#include "CoreMinimal.h"
+#include "Components/ActorComponent.h"
+#include "Delegates/DelegateCombinations.h"
+
+#include "TobiiGazeFocusManagerComponent.generated.h"
+
+/*
+ * Tobii focus managers are an easier way to set up focus layer filters and access the focusables associated with them.
+ * It also offers a way to get notified of changes in gaze focus via events.
+ */
+UCLASS(BlueprintType, Blueprintable, meta = (BlueprintSpawnableComponent))
+class TOBIIGTOM_API UTobiiGazeFocusManagerComponent : public UActorComponent
+{
+	GENERATED_BODY()
+
+public:
+	UTobiiGazeFocusManagerComponent();
+
+public:
+	//If this is true, focus data with valid UPrimitiveComponents will be included in the output results.
+	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Gaze Focus Management")
+	bool bWantPrimitives;
+
+	//If this is true, focus data with valid UWidgets will be included in the output results
+	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Gaze Focus Management")
+	bool bWantWidgets;
+
+	//This controls how the filters in FocusFilterList are used. If this is true, only focusables with a layer that is in the FocusFilterList will be considered. If this is false, the FocusFilterList will act like a black list, excluding any focusables whos layer can be found in the array.
+	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Gaze Focus Management")
+	bool bIsWhiteList;
+
+	//These are the filters that will determine what focus data you will receive. The behavior of the filters are controlled by bIsWhiteList.
+	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Gaze Focus Management")
+	TArray<FName> FocusLayerFilters;
+
+public:
+	//These functions will notify when gaze focus is lost for this focus manager's filtered set.
+	UPROPERTY(BlueprintAssignable, Category = "Gaze Focus Management")
+	FPrimitiveReceivedGazeFocusSignature OnPrimitiveReceivedGazeFocus;
+
+	UPROPERTY(BlueprintAssignable, Category = "Gaze Focus Management")
+	FPrimitiveLostGazeFocusSignature OnPrimitiveLostGazeFocus;
+
+	UPROPERTY(BlueprintAssignable, Category = "Gaze Focus Management")
+	FWidgetReceivedGazeFocusSignature OnWidgetReceivedGazeFocus;
+
+	UPROPERTY(BlueprintAssignable, Category = "Gaze Focus Management")
+	FWidgetLostGazeFocusSignature OnWidgetLostGazeFocus;
+
+public:
+	//Get the component the focus system believes the user is looking at, given the filters the focus manager is configured with.
+	UFUNCTION(BlueprintPure, Category = "Gaze Focus Management")
+	void GetBestFilteredPrimitiveComponentFocusData(FTobiiGazeFocusData& OutFocusData) const;
+
+	UFUNCTION(BlueprintPure, Category = "Gaze Focus Management")
+	void GetBestFilteredWidgetComponentFocusData(FTobiiGazeFocusData& OutFocusData) const;
+
+	//Get a sorted list of components that the focus system believes the user is looking at, given the filters the focus manager is configured with.
+	UFUNCTION(BlueprintPure, Category = "Gaze Focus Management")
+	void GetAllFilteredFocusData(TArray<FTobiiGazeFocusData>& OutFocusData) const;
+
+	/************************************************************************/
+	/* UActorComponent                                                      */
+	/************************************************************************/
+public:
+	virtual void TickComponent(float DeltaTime, enum ELevelTick TickType, FActorComponentTickFunction *ThisTickFunction) override;
+
+private:
+	TWeakObjectPtr<UPrimitiveComponent> PreviouslyFocusedPrimitiveComponent;
+	TWeakObjectPtr<UTobiiGazeFocusableWidget> PreviouslyFocusedWidget;
+	FTobiiGazeFocusData BestPrimitiveComponentFocusData;
+	FTobiiGazeFocusData BestWidgetFocusData;
+	TArray<FTobiiGazeFocusData> AllFocusData;
+
+	void ResetFocusData();
+	void NotifyPrimitiveComponentGazeFocusReceived(UPrimitiveComponent& PrimitiveComponentToReceiveFocus);
+	void NotifyPrimitiveComponentGazeFocusLost(UPrimitiveComponent& PrimitiveComponentToLoseFocus);
+};