WorldMapCharacter.cpp

void AWorldMapCharacter::MoveToDestination()
{
	if (bUpdateDestination || !NavPath)
	{

		NavPath = UNavigationSystemV1::FindPathToLocationSynchronously(this, GetActorLocation(), Destination, this);
		if (NavPath != nullptr)
		{
			CurrentPathIndex = 1;
			if (Debug)
			{
				for (auto &PathPoint : NavPath->PathPoints)
				{
					DrawDebugSphere(GetWorld(), PathPoint, 50.0f, 8, FColor::Cyan, false, 20.0f);
				}
				DrawDebugSphere(GetWorld(), Destination, 50.0f, 8, FColor::Orange, false, 5.0f);
			}
		}
	}

	if (NavPath)
	{

		if (NavPath->PathPoints.Num() > CurrentPathIndex)
		{
			if (FVector::Dist(GetActorLocation(), NavPath->PathPoints[CurrentPathIndex]) < PathPointAcceptanceDistance)
			{
				CurrentPathIndex++;
			}
		}

		if (NavPath->PathPoints.Num() > CurrentPathIndex)
		{
			FVector InputVector = NavPath->PathPoints[CurrentPathIndex] - GetActorLocation();
			InputVector.Z = 0.0f;
			InputVector.Normalize();
			AddMovementInput(InputVector);
		}
	}

	if (FVector::Dist(GetActorLocation(), Destination) > MinimumMoveDistance)
	{
		bMoveToMouseCursor = true;
	}
	else {
		bMoveToMouseCursor = false;
	}
}

void AWorldMapCharacter::UpdateDestination()
{
	float MouseX;
	float MouseY;
	APlayerController *MyPlayerController = Cast<APlayerController>(GetController());
	// Get screen space location
	if (MyPlayerController)
	{
		MyPlayerController->GetMousePosition(MouseX, MouseY);
		FVector2D MousePosition = FVector2D(MouseX, MouseY);
		FHitResult HitResult;

		MyPlayerController->GetHitResultAtScreenPosition(MousePosition, COLLISION_OVERRIDEAIMING, true, HitResult);
		if (!HitResult.bBlockingHit)
		{
			MyPlayerController->GetHitResultAtScreenPosition(MousePosition, COLLISION_AIMING, true, HitResult);
		}
		if (HitResult.bBlockingHit)
		{
			Destination = HitResult.ImpactPoint;
		}

		//FNavLocation NavDest;
		//GetWorld()->GetNavigationSystem()->ProjectPointToNavigation(Destination, NavDest, FVector(100000.0f));
		//Destination = NavDest.Location;

		if (FVector::Dist(GetActorLocation(), Destination) > MinimumMoveDistance)
		{
			bMoveToMouseCursor = true;
		}
		else {
			bMoveToMouseCursor = false;
		}
	}
}