/// <summary>
/// Try to create the WiiProvider (this involves connecting to the Wiimote).
/// </summary>
private bool createProviders()
{
try
{
// Connect a Wiimote, hook events then start.
this.pWiiProvider = new WiiProvider();
this.pWiiProvider.OnNewFrame += new EventHandler <FrameEventArgs>(pWiiProvider_OnNewFrame);
this.pWiiProvider.OnBatteryUpdate += new Action <int>(pWiiProvider_OnBatteryUpdate);
this.pWiiProvider.start();
return(true);
}
catch (Exception pError)
{
// Tear down.
try
{
this.disconnectProviders();
}
catch { }
// Report the error.
showMessage(pError.Message, MessageType.Error);
//MessageBox.Show(pError.Message, "WiiTUIO", MessageBoxButton.OK, MessageBoxImage.Error);
return(false);
}
}
/// <summary>
/// Tear down the provider connections.
/// </summary>
private void disconnectProviders()
{
// Disconnect the Wiimote.
if (this.pWiiProvider != null)
{
this.pWiiProvider.stop();
}
this.pWiiProvider = null;
}
/// <summary>
/// This is called internally when calibration is finished.
/// </summary>
private void finishedCalibration()
{
// Die if we have no provider.
if (this.pWiiProvider == null)
{
throw new Exception("Cannot finish calibration without an input provider!");
}
// Re-enable the transformation step in the provider.
pWiiProvider.TransformResults = true;
// Feed that data into the provider.
Vector vScreenSize = new Vector(this.ActualWidth, this.ActualHeight);
this.pWiiProvider.setCalibrationData(pSourceRectangle, pDestinationRectangle, vScreenSize);
// Detach the event handler.
this.pWiiProvider.OnNewFrame -= pEventHandler;
// Dereference the provider.
this.pWiiProvider = null;
// Hide the calibration point.
Dispatcher.BeginInvoke((Action) delegate()
{
// Hide the calibration point.
this.CalibrationPoint.Visibility = Visibility.Hidden;
// Ensure the form is at the back, the correct size and visible.
Canvas.SetTop(this, 0.0);
Canvas.SetLeft(this, 0.0);
Canvas.SetZIndex(this, -999);
this.Width = 0; // (double)this.Parent.GetValue(Canvas.ActualWidthProperty);
this.Height = 0; // (double)this.Parent.GetValue(Canvas.ActualHeightProperty);
// Raise the event.
if (OnCalibrationFinished != null)
{
OnCalibrationFinished(pSourceRectangle, pDestinationRectangle, vScreenSize);
}
});
}
/// <summary>
/// Method to begin calibration.
/// </summary>
/// <param name="pWiiProvider">A reference to the input provider we want to calibrate.</param>
public void beginCalibration(WiiProvider pWiiProvider)
{
// Store a reference to the WiiInput provider.
this.pWiiProvider = pWiiProvider;
// Die if we have no provider.
if (this.pWiiProvider == null)
{
throw new Exception("Cannot begin calibrate without an input provider!");
}
// Wipe the rectangles.
this.pSourceRectangle = new WiiProvider.CalibrationRectangle();
this.pDestinationRectangle = new WiiProvider.CalibrationRectangle();
// Disable the transformation step in the provider.
pWiiProvider.TransformResults = false;
// Give us an event for the input.
pEventHandler = new EventHandler <FrameEventArgs>(pWiiProvider_OnNewFrame);
pWiiProvider.OnNewFrame += pEventHandler;
// Set our calibration phase to 1.
this.iCalibrationPhase = 1;
// Show the calibration point.
this.CalibrationPoint.Visibility = Visibility.Visible;
// Ensure the form is at the top, the correct size and visible.
Canvas.SetTop(this, 0.0);
Canvas.SetLeft(this, 0.0);
Canvas.SetZIndex(this, 999);
this.Width = (double)this.Parent.GetValue(Canvas.ActualWidthProperty);
this.Height = (double)this.Parent.GetValue(Canvas.ActualHeightProperty);
// Step into the calibration.
this.movePoint(0.1, 0.1);
this.stepCalibration();
}
