/// <summary>
/// Creates a data message from raw message data, starting at a given offset in the raw data.
/// </summary>
/// <param name="rawMessage">The raw message data.</param>
/// <param name="start">The index the recreation of the data message should be started at.</param>
/// <returns>A data message of correct type, recreated from the raw data.</returns>
public static DataMessage CreateFromRawMessage(byte[] rawMessage, int start)
{
// result
DataMessage result = null;
// inspect type
var dataType = (DataType)BitConverter.ToInt32(rawMessage, start + 1);
// simple switch here
switch (dataType)
{
case DataType.ControllerInfo:
result = new ControllerInfoData();
break;
case DataType.Accelerometer:
result = new AccelerometerData();
break;
case DataType.Compass:
result = new CompassData();
break;
case DataType.Gyroscope:
result = new GyroscopeData();
break;
case DataType.Motion:
result = new MotionData();
break;
case DataType.Touch:
result = new TouchData();
break;
case DataType.Tap:
result = new TapData();
break;
case DataType.DoubleTap:
result = new DoubleTapData();
break;
case DataType.Hold:
result = new HoldData();
break;
case DataType.Flick:
result = new FlickData();
break;
case DataType.FreeDrag:
result = new FreeDragData();
break;
case DataType.HorizontalDrag:
result = new HorizontalDragData();
break;
case DataType.VerticalDrag:
result = new VerticalDragData();
break;
case DataType.DragComplete:
result = new DragCompleteData();
break;
case DataType.CustomDrag:
result = new CustomDragData();
break;
case DataType.CustomDragComplete:
result = new CustomDragCompleteData();
break;
case DataType.Pinch:
result = new PinchData();
break;
case DataType.PinchComplete:
result = new PinchCompleteData();
break;
case DataType.Text:
result = new TextData();
break;
}
// fill from raw data
if (result != null)
{
result.FromByteArray(rawMessage, start);
}
else
{
if (Debugger.IsAttached)
{
Debugger.Break();
}
}
return result;
}
private void ProcessTouch()
{
var touchCollection = TouchPanel.GetState();
if (touchCollection.Count > 0)
{
// convert list
List<TouchPoint> touchPoints = ConvertTouchPoints(touchCollection);
// can be zero if points are outside of bounds
if (touchPoints.Count > 0)
{
_logger.Trace("Processing raw touch/gesture input");
lock (_activeDataTypes)
{
// report touch?
if (_activeDataTypes.Contains(DataType.Touch))
{
var data = new TouchData(touchPoints);
// pass on data to the outside world
_dataAcquiredCallback(data);
}
// report drag?
if (_activeDataTypes.Contains(DataType.CustomDrag))
{
// use the first touch point
var touchPoint = touchPoints[0];
// create the data
var data = new CustomDragData();
data.TouchPoint = touchPoint;
data.Delta = new Vector2(touchPoint.Location.X - _lastDragTouchPoint.Location.X,
touchPoint.Location.Y - _lastDragTouchPoint.Location.Y);
// new reference
_lastDragTouchPoint = touchPoint;
// send
_dataAcquiredCallback(data);
}
}
}
}
}
