/*
* Handles an event from the EyePosition data stream.
*/
void OnEyepositionDataEvent(TX_HANDLE hGazeDataBehavior)
{
TX_EYEPOSITIONDATAEVENTPARAMS eventParams;
if (txGetEyePositionDataEventParams(hGazeDataBehavior, &eventParams) == TX_RESULT_OK) {
//printf("Has Left Eye Position: %d\n", eventParams.HasLeftEyePosition);
lastKnownEyePositionData = eventParams;
} else {
printf("Failed to interpret gaze data event packet.\n");
printf ("Error code: %d.\n", txGetEyePositionDataEventParams(hGazeDataBehavior, &eventParams));
}
}
/*
* Handles an event from the Gaze Point data stream.
*/
void OnPositionDataEvent(TX_HANDLE hGazeDataBehavior)
{
float data[9] = { 0, 0, 0, 0, 0, 0, 0, 0 ,0 };
int iResult;
TX_EYEPOSITIONDATAEVENTPARAMS eventParams;
if (txGetEyePositionDataEventParams(hGazeDataBehavior, &eventParams) == TX_RESULT_OK)
{
/* Every time there is an event, send a package*/
//TCP Preparing data package = #bytes, BehaviorType, XL, YL, ZL, XR, YR, ZR, Timestamp
data[0] = 32; // Number of following bytes (8 values * 4 bytes / value)
data[1] = eventParams.Timestamp; // Seconds since the System Boot Time
data[2] = 3; // Behavior Type, 3 for Eye Position
data[3] = eventParams.LeftEyeX;
data[4] = eventParams.LeftEyeY;
data[5] = eventParams.LeftEyeZ;
data[6] = eventParams.RightEyeX;
data[7] = eventParams.RightEyeY;
data[8] = eventParams.RightEyeZ;
printf("Eye Position: L(%.1f, %.1f, %.1f), R(%.1f, %.1f, %.1f), time %.0f ms\n", eventParams.LeftEyeX, eventParams.LeftEyeY, eventParams.LeftEyeZ, eventParams.RightEyeX, eventParams.RightEyeY, eventParams.RightEyeZ, eventParams.Timestamp);
if (streaming)
{
for (int a = 0; a < 9; a++) //Up tp a < number of elements
{
SendFloatClientSocket(clientSocket, data[a]);
}
}
}
else
{
printf("Failed to interpret gaze data event packet.\n");
}
}
void TX_CALLCONVENTION ofxTobiiEyeX::HandleEvent(TX_CONSTHANDLE hAsyncData, TX_USERPARAM param)
{
TX_HANDLE hEvent = TX_EMPTY_HANDLE;
TX_HANDLE hBehavior = TX_EMPTY_HANDLE;
txGetAsyncDataContent(hAsyncData, &hEvent);
if (txGetEventBehavior(hEvent, &hBehavior, TX_BEHAVIORTYPE_GAZEPOINTDATA) == TX_RESULT_OK)
{
if (txGetGazePointDataEventParams(hBehavior, &smGazePointDataEventParams) != TX_RESULT_OK)
{
ofLogError(smAddonName, "Failed to interpret gaze data event packet.");
}
}
if (txGetEventBehavior(hEvent, &hBehavior, TX_BEHAVIORTYPE_EYEPOSITIONDATA) == TX_RESULT_OK)
{
if (txGetEyePositionDataEventParams(hBehavior, &smEyePositionEventParams) != TX_RESULT_OK)
{
ofLogError(smAddonName, "Failed to interpret eye position event packet.");
}
}
if (txGetEventBehavior(hEvent, &hBehavior, TX_BEHAVIORTYPE_FIXATIONDATA) == TX_RESULT_OK)
{
if (txGetFixationDataEventParams(hBehavior, &smFixationEventParams) != TX_RESULT_OK)
{
ofLogError(smAddonName, "Failed to interpret fixation event packet.");
}
}
txReleaseObject(&hBehavior);
txReleaseObject(&hEvent);
}
/*
* Handles an event from the Eye Position data stream.
*/
void OnEyePositionDataEvent(TX_HANDLE hGazeDataBehavior)
{
TX_EYEPOSITIONDATAEVENTPARAMS eventParams;
if (txGetEyePositionDataEventParams(hGazeDataBehavior, &eventParams) == TX_RESULT_OK) {
//printf("Eye Position Data: (%.1f, %.1f) timestamp %.0f ms\n", eventParams.LeftEyeX, eventParams.LeftEyeY, eventParams.Timestamp);
leftEyeX=eventParams.LeftEyeX*10;
leftEyeY=eventParams.LeftEyeY*10;
} else {
printf("Failed to interpret eye postion data event packet.\n");
}
}
void Tobii::OnEyePositionDataEvent(TX_HANDLE hEyePositionDataBehavior)
{
TX_EYEPOSITIONDATAEVENTPARAMS eventParams;
if (txGetEyePositionDataEventParams(hEyePositionDataBehavior, &eventParams) == TX_RESULT_OK)
{
bool leftEyeClosed = !eventParams.HasLeftEyePosition;
bool rightEyeClosed = !eventParams.HasRightEyePosition;
leftEyeClosedCount = leftEyeClosed ? leftEyeClosedCount + 1 : 0;
rightEyeClosedCount = rightEyeClosed ? rightEyeClosedCount + 1 : 0;
}
}
