//
// public IEnumerator initGPS()
//
// This method initializes the GPS module
// it is called from the outside Manager script
public IEnumerator initGPS(Action <bool> onResult, int _timeOut)
{
clearErrorLog();
// check if GPS is enabled by user
if (!Input.location.isEnabledByUser)
{
gpsState = GPSstate.failed;
errorCode = "GPS disabled|GPS must be enabled in order to use this application.";
onResult(false);
yield break;
}
// start up the location service
// without started location service, there will be no GPS
Input.location.Start();
// now try to get GPS data, but do not try longer
// than the set timeout interval
int timeOut = _timeOut;
while (Input.location.status == LocationServiceStatus.Initializing && timeOut > 0)
{
yield return(new WaitForSeconds(1));
timeOut--;
}
// did we consume the whole timeout interval?
if (timeOut < 1)
{
gpsState = GPSstate.timedOut;
errorCode = "GPS timed out|Connection timed out. Try again later.";
onResult(false);
yield break;
}
// GPS did not return a value in the timeout interval
if (Input.location.status == LocationServiceStatus.Failed)
{
gpsState = GPSstate.failed;
errorCode = "GPS could not be initialized|Failed to initialize location service.\nTry again later or increase timeout interval.";
onResult(false);
yield break;
}
// success!
// now get the data, store it in the GPS class and return
else
{
latitude = Input.location.lastData.latitude;
longitude = Input.location.lastData.longitude;
gpsState = GPSstate.valid;
Input.location.Stop();
onResult(true);
yield break;
}
}
//
// public void clearErrorLog()
//
// Before starting a new try,
// the last connection's event logs
// have to be reset
//
public void clearErrorLog()
{
gpsState = GPSstate.undetermined;
errorCode = "";
}