Added Tobii from 4.23 + updated

2026-07-24 18:56:09 +10:00 · 2023-03-04 04:19:09 +11:00
parent 2d5b9008e5
commit 1cde391516
521 changed files with 11735 additions and 0 deletions
--- a/Source/TobiiInteractions/Private/Desktop/TobiiFireAtGazeComponent.cpp
+++ b/Source/TobiiInteractions/Private/Desktop/TobiiFireAtGazeComponent.cpp
@@ -0,0 +1,114 @@
+/******************************************************************************
+* Copyright 2017- Tobii Technology AB. All rights reserved.
+*
+* @author Temaran | Fredrik Lindh | fredrik.lindh@tobii.com | https://github.com/Temaran
+******************************************************************************/
+
+#include "TobiiFireAtGazeComponent.h"
+#include "TobiiInteractionsBlueprintLibrary.h"
+#include "TobiiGTOMBlueprintLibrary.h"
+#include "../TobiiInteractionsInternalTypes.h"
+
+#include "Engine/Engine.h"
+#include "IEyeTracker.h"
+#include "Camera/CameraComponent.h"
+#include "Engine/World.h"
+#include "HAL/IConsoleManager.h"
+
+static TAutoConsoleVariable<int32> CVarFireAtGazeEnabled(TEXT("tobii.interaction.FireAtGazeEnabled"), 1, TEXT("Fire at gaze lets you fire where you look when not in ADS (Aim Down Sights) mode. 0 - Fire at gaze is disabled. 1 - Fire at gaze is enabled."));
+
+UTobiiFireAtGazeComponent::UTobiiFireAtGazeComponent()
+	: CameraComponent(nullptr)
+	
+	, FireAtGazeTargetActor(nullptr)
+	, FireAtGazeTargetComponent(nullptr)
+	, FireAtGazeTargetLocation(0.0f, 0.0f, 0.0f)
+
+	, MaxDistance(10000.0f)
+	, NoTargetBehavior(ETobiiFireAtGazeNoTargetBehavior::PointGunToGaze)
+	, TraceChannel(ECC_Visibility)
+{
+	PrimaryComponentTick.bCanEverTick = true;
+}
+
+bool UTobiiFireAtGazeComponent::FireAtGazeAvailable()
+{
+	return CameraComponent != nullptr 
+		&& UTobiiInteractionsBlueprintLibrary::IsFireAtGazeEnabled();
+}
+
+bool UTobiiFireAtGazeComponent::WantsCrosshair()
+{
+	if (!FireAtGazeAvailable())
+	{
+		return false;
+	}
+
+	switch (NoTargetBehavior)
+	{
+	case ETobiiFireAtGazeNoTargetBehavior::PointGunForward:
+		return !FireAtGazeTargetActor.IsValid();
+	case ETobiiFireAtGazeNoTargetBehavior::PointGunToGaze:
+		return true;
+	default:
+		return false;
+	}
+}
+
+void UTobiiFireAtGazeComponent::TickComponent(float DeltaTime, enum ELevelTick TickType, FActorComponentTickFunction *ThisTickFunction)
+{
+	Super::TickComponent(DeltaTime, TickType, ThisTickFunction);
+
+	if (!FireAtGazeAvailable() || GEngine == nullptr || !GEngine->EyeTrackingDevice.IsValid())
+	{
+		return;
+	}
+
+	FTobiiGazeFocusData FocusData;
+	UTobiiGTOMBlueprintLibrary::GetFilteredGazeFocusData(FocusLayerFilters, bIsWhiteList, true, false, FocusData);
+	if (FocusData.FocusedPrimitiveComponent.IsValid())
+	{
+		FireAtGazeTargetActor = FocusData.FocusedActor;
+		FireAtGazeTargetComponent = FocusData.FocusedPrimitiveComponent;
+		FireAtGazeTargetLocation = FocusData.LastVisibleWorldLocation;
+	}
+	else
+	{
+		FVector GazeRayOrigin, GazeRayDirection;
+		switch (NoTargetBehavior)
+		{
+		case ETobiiFireAtGazeNoTargetBehavior::PointGunForward:
+		{
+			GazeRayOrigin = CameraComponent->GetComponentLocation();
+			GazeRayDirection = CameraComponent->GetForwardVector();
+			break;
+		}
+
+		case ETobiiFireAtGazeNoTargetBehavior::PointGunToGaze:
+		default:
+		{
+			FEyeTrackerGazeData CombinedGazeData;
+			GEngine->EyeTrackingDevice->GetEyeTrackerGazeData(CombinedGazeData);
+			GazeRayOrigin = CombinedGazeData.GazeOrigin;
+			GazeRayDirection = CombinedGazeData.GazeDirection;
+			break;
+		}
+		}
+
+		FHitResult HitResult;
+		UWorld* World = GetWorld();
+		if (World != nullptr && World->LineTraceSingleByChannel(HitResult, GazeRayOrigin, GazeRayOrigin + GazeRayDirection * MaxDistance, TraceChannel)
+			&& UTobiiGTOMBlueprintLibrary::IsPrimitiveComponentGazeFocusable(HitResult.GetComponent()))
+		{
+			FireAtGazeTargetActor = HitResult.GetActor();
+			FireAtGazeTargetComponent = HitResult.GetComponent();
+			FireAtGazeTargetLocation = HitResult.Location;
+		}
+		else
+		{
+			FireAtGazeTargetActor = nullptr;
+			FireAtGazeTargetComponent = nullptr;
+			FireAtGazeTargetLocation = GazeRayOrigin + GazeRayDirection * MaxDistance;
+		}
+	}
+}