void ASoftDesignTrainingPlayerController::OnTakeCoverPressed()
{
APawn* const Pawn = GetPawn();
if (Pawn)
{
FVector actorLocation = Pawn->GetActorLocation();
FRotator actorRotation = Pawn->GetActorRotation();
FVector coverTestStart = actorLocation;
FVector coverTestEnd = actorLocation + 400.0f * actorRotation.Vector();
UWorld* currentWorld = GetWorld();
static FName InitialCoverSweepTestName = TEXT("InitialCoverSweepTest");
FHitResult hitResult;
FQuat shapeRot = FQuat::Identity;
FCollisionShape collShape = FCollisionShape::MakeSphere(Pawn->GetSimpleCollisionRadius());
FCollisionQueryParams collQueryParams(InitialCoverSweepTestName, false, Pawn);
currentWorld->DebugDrawTraceTag = InitialCoverSweepTestName;
FCollisionObjectQueryParams collObjQueryParams(ECC_WorldStatic);
UDesignTrainingMovementComponent* charMovement = Cast<UDesignTrainingMovementComponent>(Pawn->GetMovementComponent());
if (currentWorld->SweepSingleByObjectType(hitResult, coverTestStart, coverTestEnd, shapeRot, collObjQueryParams, collShape, collQueryParams))
{
if (charMovement->ValidateCover(hitResult))
{
MoveToCoverDestination(hitResult.Location);
}
}
}
}
AEyeXActorBase* AEyeXPlayerController::FindBySweep(FHitResult& OutHit, const FSceneView* const View, const FVector2D& GazePoint,
const FCollisionObjectQueryParams& ObjectParams, const FCollisionQueryParams& TraceParams)
{
if (SweepIntervals <= 1)
{
UE_LOG(LogEyeX, Warning, TEXT("Invalid value for SweepIntervals: %i. Must be greater than 0."), SweepIntervals);
return nullptr;
}
UWorld* World = GetWorld();
if (!World) return nullptr;
FVector Start, Direction;
View->DeprojectFVector2D(GazePoint, Start, Direction);
const float TanFOVScaled = GetTanOfFOVAngleScaled();
// Perform sweeps
const float DeltaDistance = MaxDistance / SweepIntervals;
const FVector DeltaDirection = DeltaDistance * Direction;
float CurrentDistance = DeltaDistance / 2;
FCollisionShape Shape;
AEyeXActorBase* EyeXActor = nullptr;
for (int i = 0; i < SweepIntervals; ++i)
{
const FVector End = Start + DeltaDirection;
const float Radius = (i == 0) ? 0.0f : TanFOVScaled * CurrentDistance; // Depends on the view frustrum, size of the screen and the distance.
Shape.SetSphere(Radius);
if (World->SweepSingleByObjectType(OutHit, Start, End, FQuat::Identity, ObjectParams, Shape, TraceParams))
{
EyeXActor = Cast<AEyeXActorBase>(OutHit.GetActor());
break;
}
Start = End;
CurrentDistance += DeltaDistance;
}
VisualizeHit(bVisualizeDetection, World, OutHit, Shape.GetSphereRadius());
VisualizeGazePoint(bVisualizeDetection, World, Start);
return EyeXActor;
}