feat(cave): added tooltip on how to cycle door modes on primary node

Source/RWTHVRCluster/Private/CAVEOverlay/CAVEOverlayController.cpp

@@ -217,6 +217,12 @@ void ACAVEOverlayController::BeginPlay()
 	// Set Text to "" until someone presses the key for the first time
 	Overlay->CornerText->SetText(FText::FromString(""));
 
+	//Make tooltip visible on primary node only
+	if (ScreenType == SCREEN_PRIMARY)
+	{
+		Overlay->Tooltip->SetVisibility(ESlateVisibility::Visible);
+	}
+
 	if (!SignStaticMesh)
 	{
 		UE_LOGFMT(LogCAVEOverlay, Error, "SignStaticMesh not set in CaveOverlayController!");

Source/RWTHVRCluster/Public/CAVEOverlay/DoorOverlayData.h

@@ -22,6 +22,9 @@ public:
 	UPROPERTY(BlueprintReadWrite, meta = (BindWidget))
 	UTextBlock* CornerText;
 
+	UPROPERTY(BlueprintReadWrite, meta = (BindWidget))
+	UTextBlock* Tooltip;
+
 	UPROPERTY(BlueprintReadWrite, meta = (BindWidget))
 	UBorder* BlackBox;
 };