private static void StopPlayback()
{
// tell the controller to stop playing, de-register events, tell the command parser to get coordinates from live data and stop the treadmill
VirtualMotionCaptureController.MotionCaptureDataPlayback(false);
VirtualMotionCaptureController.VirtualMotionCaptureSubSessionPlaybackEnded -= new VirtualMotionCaptureController.VirtualMotionCaptureSubSessionPlaybackEndedEventHandler(VirtualMotionCaptureController_VirtualMotionCaptureSubSessionPlaybackEnded);
_remoteDataManager.ServerPlayingStatus(false);
Communication.OptitrackCommandParser_Server.VirtualMotionCaputrePlayback = false;
Treadmill.TreadmillController.SetSpeed(0f);
}
/// <summary>
/// Deletes the MC data associated with the given session
/// </summary>
/// <param name="session"></param>
private static void DeleteMotionCaptureDataForSession(Session session)
{
foreach (SubSession sub in session.SubSessions)
{
if (File.Exists(VirtualMotionCaptureController.BuildSubSessionFileName(sub.SubSessionStartTime)))
{
File.Delete(VirtualMotionCaptureController.BuildSubSessionFileName(sub.SubSessionStartTime));
}
}
}
/// <summary>
/// Stops recording
/// </summary>
private static void StopRecording()
{
//deregister events and stop recording.
VirtualMotionCaptureController.VirtualMotionCaptureSubSessionRecorded -= new VirtualMotionCaptureController.VirtualMotionCaptureSubSessionRecordedEventHandler(VirtualMotionCaptureController_VirtualMotionCaptureSubSessionRecorded);
VirtualMotionCaptureController.MotionCaptureDataRecord(false);
//update the session and send the data back to the client
_patients[_patientIndex].Sessions[_currentSessionIndex] = _currentSession;
Patient_Remote_DataManager_UpdatePatientRequestedByClient(_patients[_patientIndex], _patientIndex);
_remoteDataManager.ServerRecordingStatus(false);
}
/// <summary>
/// Starts recording
/// </summary>
private static void StartRecording()
{
//register for the recording ended event, put the controller into record mode
_currentSubSession = new SubSession();
VirtualMotionCaptureController.MotionCaptureDataRecord(true);
VirtualMotionCaptureController.VirtualMotionCaptureSubSessionRecorded += new VirtualMotionCaptureController.VirtualMotionCaptureSubSessionRecordedEventHandler(VirtualMotionCaptureController_VirtualMotionCaptureSubSessionRecorded);
_remoteDataManager.ServerPlayingStatus(false);
Communication.OptitrackCommandParser_Server.VirtualMotionCaputrePlayback = false;
_remoteDataManager.ServerRecordingStatus(true);
}
/// <summary>
/// Starts playback
/// </summary>
private static void StartPlayback()
{
//Register for the playback ended event and tell the controller to start playback as well as telling command parser to get coordinates from the virtual controller
VirtualMotionCaptureController.VirtualMotionCaptureSubSessionPlaybackEnded += new VirtualMotionCaptureController.VirtualMotionCaptureSubSessionPlaybackEndedEventHandler(VirtualMotionCaptureController_VirtualMotionCaptureSubSessionPlaybackEnded);
VirtualMotionCaptureController.MotionCaptureDataPlayback(true);
Communication.OptitrackCommandParser_Server.VirtualMotionCaputrePlayback = true;
// set the status in the remote object for the client gui
_remoteDataManager.ServerPlayingStatus(true);
_remoteDataManager.ServerRecordingStatus(false);
}
/// <summary>
/// Gets ready to play back a session
/// </summary>
/// <param name="patientIndex"></param>
/// <param name="sessionIndex"></param>
/// <param name="subSessionIndex"></param>
static void Patient_Remote_DataManager_OpenSessionForPlaybackRequestedByClient(int patientIndex, int sessionIndex, int subSessionIndex)
{
//use the indexes to load the correct subsession
_currentSession = _patients[patientIndex].Sessions[sessionIndex];
_currentSubSessionIndex = subSessionIndex;
_currentSubSession = _currentSession.SubSessions[_currentSubSessionIndex];
//Check the motion capture data is present on disk, if it is, open the subsession, else mark it as not pressent
if (System.IO.File.Exists(VirtualMotionCaptureController.BuildSubSessionFileName(_currentSubSession.SubSessionStartTime)))
{
VirtualMotionCaptureController.OpenMotionCaptureSubSession(_currentSubSession.SubSessionStartTime);
}
else
{
//data isn't availiable
_currentSession.MotionCaptureDataRecorded = false;
_currentSession.SubSessions[_currentSubSessionIndex] = _currentSubSession;
_patients[_patientIndex].Sessions[_currentSessionIndex] = _currentSession;
Patient_Remote_DataManager_UpdatePatientRequestedByClient(_patients[_patientIndex], _patientIndex);
}
}
/// <summary>
/// Fired when playback ends
/// </summary>
/// <param name="subSessionStartTime"></param>
static void VirtualMotionCaptureController_VirtualMotionCaptureSubSessionPlaybackEnded(DateTime subSessionStartTime)
{
//If there are multiple subsessions and this wasn't the last, then move onto the next subsession
//TODO moddify this to allow looping of subsessions and of the complete session
if (_currentSubSessionIndex < _currentSession.SubSessions.Count - 1)
{
_currentSubSessionIndex++;
_currentSubSession = _currentSession.SubSessions[_currentSubSessionIndex];
if (System.IO.File.Exists(VirtualMotionCaptureController.BuildSubSessionFileName(_currentSubSession.SubSessionStartTime)))
{
VirtualMotionCaptureController.OpenMotionCaptureSubSession(_currentSubSession.SubSessionStartTime);
}
else
{
StopPlayback();
}
}
else
{
StopPlayback();
}
}
/// <summary>
/// Converts byte to command and then executes command
/// </summary>
/// <param name="receivedCommand"></param>
public void handleCommand(byte[] receivedCommand)
{
lock (this) // Lock the code
{
int command = (int)receivedCommand[2];
switch (command)
{
// 0 is Start Cameras
case 0:
MotionCaptureStart();
break;
// 1 is Stop Cameras
case 1:
MotionCaptureStop();
break;
// 2 is Send Camera Coordinates
case 2:
if (MotionCaptureController.APIRunning)
{
MotionCaptureController.UpdateCameraList();
OptitrackCameraList.TransmitListOfCameras();
}
break;
// 3 is Start Treadmill At Fixed Speed
case 3:
{
TreadmillController.SetSpeed((float)BitConverter.ToDouble(receivedCommand, 4));
break;
}
// 4 is Stop Treadmill
case 4:
{
TreadmillController.SetSpeed(0.0f);
break;
}
case 6:
{
if (VirtualMotionCaputrePlayback)
{
VirtualMotionCaptureController.UpdateCoordinates();
}
else
{
MotionCaptureController.UpdateCoordinates(true, true);
}
break;
}
// 7 is Calibrate ground plane.
case 7:
{
//TODO: Reinstate or remove this?
//MotionCapture.Calibrate();
break;
}
//8 is toggle displaying feet
case 8:
{
if (ToggleFeetCommandReceivedEvent != null)
{
ToggleFeetCommandReceivedEvent(BitConverter.ToBoolean(receivedCommand, 4));
}
break;
}
case 9: // Shuts down the drivers so the application can close
{
FinalShutdown();
break;
}
case 10: // Clears the CoR data - This should be called at the start of each session
{
JointProcessor.ResetCoRCalculations();
break;
}
case 11: // Requests an update for the current speed
{
TreadmillController.TransmitSpeed();
break;
}
default:
{
System.Diagnostics.Debug.WriteLine("Invalid command received: " + command.ToString());
break;
}
}
}
}