public StreamEngineTracker(StreamEngineTracker_Description description = null, StreamEngineConnection connection = null)
{
if (description == null)
{
description = new StreamEngineTracker_Description();
}
if (connection == null)
{
connection = new StreamEngineConnection(new InteropWrapper());
}
LocalLatestData = new TobiiXR_EyeTrackingData();
_connection = connection;
if (TryConnectToTracker(_connection, _stopwatch, description) == false)
{
throw new Exception("Failed to connect to tracker");
}
_nativePointerToSelf = GCHandle.Alloc(this);
if (SubscribeToWearableData(_connection.Context.Device, GCHandle.ToIntPtr(_nativePointerToSelf)) == false)
{
throw new Exception("Failed to subscribe to tracker");
}
CheckForCapabilities(_connection.Context.Device);
}
public StreamEngineTracker(StreamEngineTracker_Description description = null, StreamEngineConnection connection = null)
{
if (description == null)
{
description = new StreamEngineTracker_Description();
}
if (connection == null)
{
connection = new StreamEngineConnection(new InteropWrapper());
}
LocalLatestData = new TobiiXR_EyeTrackingData();
_connection = connection;
if (TryConnectToTracker(_connection, _stopwatch, description) == false)
{
throw new Exception("Failed to connect to tracker");
}
_wearableDataCallback = OnWearableData;
if (SubscribeToWearableData(_connection.Context.Device, _wearableDataCallback) == false)
{
throw new Exception("Failed to subscribe to tracker");
}
CheckForCapabilities(_connection.Context.Device);
}
private static bool TryConnectToTracker(StreamEngineConnection connection, Stopwatch stopwatch, StreamEngineTracker_Description description)
{
StartStopwatch(stopwatch);
if (connection.Open(description) == false)
{
return(false);
}
var elapsedTime = StopStopwatch(stopwatch);
UnityEngine.Debug.Log(string.Format("Connected to SE tracker: {0} and it took {1}ms", connection.Context.Url, elapsedTime));
return(true);
}
private static bool TryConnectToTracker(FieldOfUse fieldOfUse, StreamEngineConnection connection, Stopwatch stopwatch, StreamEngineTracker_Description description)
{
StartStopwatch(stopwatch);
try
{
if (connection.Open(fieldOfUse, description) == false)
{
return(false);
}
}
catch (Exception e)
{
UnityEngine.Debug.LogError("Error connecting to eye tracker: " + e.ToString());
return(false);
}
var elapsedTime = StopStopwatch(stopwatch);
UnityEngine.Debug.Log(string.Format("Connected to SE tracker: {0} and it took {1}ms", connection.Context.Url, elapsedTime));
return(true);
}