public static IStateValue <Vector2> ConvertFromEyeXSize2(IStateValue <Size2> state)
{
if (!state.IsValid)
{
return(StateValue <Vector2> .Invalid);
}
return(new StateValue <Vector2>(new Vector2((float)state.Value.Width, (float)state.Value.Height)));
}
private void SetFieldValue(object existing, FieldInfo fieldInfo, IHttpSessionState sessionState)
{
if (IsStateField(fieldInfo))
{
IStateValue value = (IStateValue)Activator.CreateInstance(fieldInfo.FieldType);
value.KeyName = GetKeyName(fieldInfo);
value.SessionState = sessionState;
fieldInfo.SetValue(existing, value);
}
}
/// <summary>
/// Gets the current value of the engine state.
/// </summary>
/// <param name="context">The interaction context.</param>
/// <returns>The state value.</returns>
public IStateValue <T> GetCurrentValue(Context context)
{
if (_currentValue == null)
{
// This is the first time someone asks for the current value.
// We don't have a value yet, but we'll make sure we get one.
_currentValue = StateValue <T> .Invalid;
// Register the state changed handler.
RegisterStateChangedHandler(context);
}
return(_currentValue);
}
public static IStateValue <UnityEngine.Rect> ConvertFromEyeXRect(IStateValue <Tobii.EyeX.Client.Rect> state)
{
if (!state.IsValid)
{
return(StateValue <UnityEngine.Rect> .Invalid);
}
return(new StateValue <UnityEngine.Rect>(new UnityEngine.Rect()
{
x = (float)state.Value.X,
y = (float)state.Value.Y,
width = (float)state.Value.Width,
height = (float)state.Value.Height
}));
}
public object GetValue(IBuilderContext context)
{
ISessionStateLocatorService sessionLocator =
context.Locator.Get <ISessionStateLocatorService>(
new DependencyResolutionLocatorKey(typeof(ISessionStateLocatorService), null));
if (sessionLocator != null)
{
IStateValue value = (IStateValue)Activator.CreateInstance(_memberType);
value.SessionState = sessionLocator.GetSessionState();
value.KeyName = _keyName;
return(value);
}
return(null);
}
public static GazeTrackingStatus ConvertFromEyeXGazeTracking(IEyeTrackingHost host, IStateValue <Tobii.EyeX.Framework.GazeTracking> state)
{
if (host.EngineVersion == null || (host.EngineVersion != null && host.EngineVersion.Major >= 1 && host.EngineVersion.Minor >= 4))
{
if (state == null || !state.IsValid || state.Value == 0)
{
return(GazeTrackingStatus.Unknown);
}
switch (state.Value)
{
// Gaze tracked?
case Tobii.EyeX.Framework.GazeTracking.GazeTracked:
return(GazeTrackingStatus.GazeTracked);
// Gaze not tracked?
case Tobii.EyeX.Framework.GazeTracking.GazeNotTracked:
return(GazeTrackingStatus.GazeNotTracked);
default:
throw new InvalidOperationException("Unknown gaze tracking value.");
}
}
return(GazeTrackingStatus.NotSupported);
}
