/// <summary>
/// Observes the gamepad for status changes.
/// </summary>
private void ObserveGamepad()
{
uint lastPacketNumber = 0;
XInput.State state = new XInput.State();
XInput.KeyStroke keystroke = new XInput.KeyStroke();
while (!this.StopObserving)
{
XInput.Error result = XInput.GetState((XInput.UserIndex) this.UserIndex, out state);
if (result == XInput.Error.Success && state.packetNumber > lastPacketNumber)
{
lastPacketNumber = state.packetNumber;
this.SetStateFromXInputState(state);
this.RaiseStateChanged();
}
result = XInput.GetKeystroke((XInput.UserIndex) this.UserIndex, out keystroke);
if (result == XInput.Error.Success)
{
if (keystroke.flags == XInput.KeyStrokeFlags.KeyUp)
{
this.RaiseKeyUp((KeyEventArgs.KeyCode)keystroke.virtualKey);
}
if (keystroke.flags == XInput.KeyStrokeFlags.KeyDown)
{
this.RaiseKeyDown((KeyEventArgs.KeyCode)keystroke.virtualKey);
}
}
Thread.Sleep(2);
}
}
/// <summary>
/// Collects all the connected xinput gamepads.
/// </summary>
/// <returns>A list of all connected devices.</returns>
public static List <Gamepad> GetConnectedDevices()
{
List <Gamepad> gamepads = new List <Gamepad>();
for (XInput.UserIndex userIndex = 0; userIndex < XInput.UserIndex.MaxCount; userIndex++)
{
XInput.State state = new XInput.State();
XInput.Error result = XInput.GetState(userIndex, out state);
if (result == XInput.Error.Success)
{
gamepads.Add(new Gamepad(state, userIndex));
}
}
return(gamepads);
}
