/// <summary>
/// Every _secondsToRequeue, this coroutine will attempt to find all pcfs and queue them all for updates.
/// </summary>
private IEnumerator ContinuouslyFindAllPCFs()
{
// Uses a while loop so that we can catch PCFs being created during runtime.
while (true)
{
yield return(new WaitForEndOfFrame());
if (IsVisualizing)
{
#if PLATFORM_LUMIN
// MLPersistentCoordinateFrames.FindAllPCFs() returns the PCFs found in the current map.
// Calling this function is expensive and is only called repeatedly for demonstration purposes.
// This function will create new pcfs during a new headpose session.
MLResult result = MLPersistentCoordinateFrames.FindAllPCFs(out List <MLPersistentCoordinateFrames.PCF> allPCFs);
if (!result.IsOk)
{
if (result.Result == MLResult.Code.PassableWorldLowMapQuality || result.Result == MLResult.Code.PassableWorldUnableToLocalize)
{
Debug.LogWarningFormat("Map quality not sufficient enough for PCFVisualizer to find all pcfs. Reason: {0}", result);
}
else
{
Debug.LogErrorFormat("Error: PCFVisualizer failed to find all PCFs because MLPersistentCoordinateFrames failed to get all PCFs. Reason: {0}", result);
}
}
else
{
OnFindAllPCFs?.Invoke(allPCFs);
}
#endif
yield return(new WaitForSeconds(_secondsToRequeue));
}
}
}
//Private Methods:
private void DiscoverPCFs()
{
//interval:
_interval++;
_interval = _interval % 100;
//if previous send queue isn't finished then interrupt it:
StopCoroutine("SendPCFs");
//clear lists:
_localPCFs.Clear();
_localPCFData.Clear();
_localPCFReferences.Clear();
_outboundPCFs.Clear();
//get pcfs:
MLPersistentCoordinateFrames.FindAllPCFs(out _localPCFs, QueryCount);
//request poses:
foreach (var item in _localPCFs)
{
item.Update();
HandlePCFPoseRetrieval(item);
}
}
//Coroutines:
private IEnumerator PCFDiscovery()
{
//query until we get PCFs:
while (_localPCFs.Count == 0)
{
MLPersistentCoordinateFrames.FindAllPCFs(out _localPCFs, QueryCount);
yield return(null);
}
while (true)
{
DiscoverPCFs();
yield return(new WaitForSeconds(QueryInterval));
yield return(null);
}
}
void PerformStartup()
{
pcfStatus = PCFStatus.Active;
if (_pcfStatusText != null)
{
_pcfStatusText.text = "Status: Restoring Content";
}
if (OnPcfsReady != null)
{
OnPcfsReady(this);
}
//trigger updates
if (displayDebugVisuals)
{
MLPersistentCoordinateFrames.FindAllPCFs(out List <MLPersistentCoordinateFrames.PCF> list, int.MaxValue, MLPersistentCoordinateFrames.PCF.Types.MultiUserMultiSession);
}
if (_pcfStatusText != null)
{
_pcfStatusText.text = "Done Restoring Content";
}
}
