private static void ProcessDevices(IList <DeviceInstance> devices, TelescopeControlSettings settings, bool announce, ref List <Guid> existingConnectedIds, ref List <Guid> connectedIDs, ref List <GameController> newControllers)
{
GameController controller;
string announcement = "";
foreach (DeviceInstance deviceInstance in devices)
{
controller = settings.GameControllers.Where(c => c.Id == deviceInstance.InstanceGuid).FirstOrDefault();
if (controller == null)
{
controller = new GameController(deviceInstance.InstanceGuid, deviceInstance.ProductName);
newControllers.Add(controller);
}
else
{
// Remove from list that should be disconnected
existingConnectedIds.Remove(controller.Id);
if (!controller.IsConnected)
{
if (controller.WasActiveGameController)
{
controller.IsActiveGameController = true;
announcement = $"{controller.Name} is now connected and active.";
}
else
{
announcement = $"{controller.Name} is now connected.";
}
if (announce)
{
Messenger.Default.Send <AnnounceNotificationMessage>(new AnnounceNotificationMessage(announcement));
}
}
}
controller.IsConnected = true;
connectedIDs.Add(controller.Id);
}
}
public static void UpdateAvailableGameControllers(TelescopeControlSettings settings, bool announce = false)
{
bool setActiveController = false;
string announcement = "";
List <Guid> existingConnectedIds = settings.GameControllers.Where(c => c.IsConnected).Select(c => c.Id).ToList();
List <Guid> connectedIds = new List <Guid>();
List <GameController> newControllers = new List <GameController>();
GameController controller;
using (DirectInput directInput = new DirectInput())
{
ProcessDevices(directInput.GetDevices(DeviceType.Gamepad, DeviceEnumerationFlags.AllDevices), settings, announce, ref existingConnectedIds, ref connectedIds, ref newControllers);
ProcessDevices(directInput.GetDevices(DeviceType.Joystick, DeviceEnumerationFlags.AllDevices), settings, announce, ref existingConnectedIds, ref connectedIds, ref newControllers);
// Disconnect any remaining existing connections as they are not now connected
foreach (Guid existingId in existingConnectedIds)
{
controller = settings.GameControllers.Where(c => c.Id == existingId).FirstOrDefault();
if (controller != null)
{
if (controller.IsActiveGameController)
{
// We'll need to set the active controller to the first new Controller
setActiveController = true;
// controller.WasActiveGameController = true MUST follow controller.IsActiveGameController otherwise the flag will be cleared in the IsActive... setter.
controller.IsActiveGameController = false;
controller.WasActiveGameController = true;
announcement = $"The active {controller.Name} has disconnected.";
}
else
{
announcement = $"{controller.Name} has disconnected.";
}
controller.IsConnected = false;
}
if (announce)
{
Messenger.Default.Send <AnnounceNotificationMessage>(new AnnounceNotificationMessage(announcement));
}
}
// Add any new controllers
foreach (GameController newController in newControllers)
{
settings.GameControllers.Add(newController);
if (setActiveController)
{
newController.IsActiveGameController = true;
setActiveController = false;
announcement = $"{newController.Name} is now connected and active.";
}
else
{
announcement = $"{newController.Name} is now connected.";
}
if (announce)
{
Messenger.Default.Send <AnnounceNotificationMessage>(new AnnounceNotificationMessage(announcement));
}
}
}
}