/// <summary>
/// Process pending requests and call the callback specified in the startup config.
/// </summary>
private void ProcessPendingQueriesAsync()
{
MLThreadDispatch.ScheduleWork(() =>
{
try
{
if (_instance.pendingQueries.Count > 0)
{
// Process each individual pending query to get updated status.
foreach (ulong handle in _instance.pendingQueries.Keys)
{
// Request the update.
MLResult.Code resultCode = NativeBindings.MLFoundObjectGetResultCount(_instance.handle, handle, out uint resultCount);
if (MLResult.IsOK(resultCode))
{
FoundObject[] foundObjects = new FoundObject[resultCount];
// For each found object in the query, get it's reference and property values from the API.
for (uint objectIndex = 0; objectIndex < resultCount; objectIndex++)
{
NativeBindings.FoundObjectNative nativeFoundObject = new NativeBindings.FoundObjectNative();
// Get the object reference from the API.
resultCode = NativeBindings.MLFoundObjectGetResult(_instance.handle, handle, objectIndex, ref nativeFoundObject);
if (MLResult.IsOK(resultCode))
{
Dictionary <string, string> properties = new Dictionary <string, string>();
// Get the object's properties from the API.
if (nativeFoundObject.PropertyCount > 0)
{
NativeBindings.PropertyNative objectProperty = new NativeBindings.PropertyNative();
for (uint propertyIndex = 0; propertyIndex < nativeFoundObject.PropertyCount; propertyIndex++)
{
resultCode = NativeBindings.MLFoundObjectGetProperty(_instance.handle, nativeFoundObject.Id, propertyIndex, ref objectProperty);
if (MLResult.IsOK(resultCode))
{
properties.Add(new string(objectProperty.Key).Replace("\0", string.Empty).ToLower(), new string(objectProperty.Value).Replace("\0", string.Empty));
}
else
{
MLPluginLog.ErrorFormat("MLFoundObjects.ProcessPendingQueries failed to get found object property. Reason: {0}", MLResult.CodeToString(resultCode));
}
}
}
FoundObject foundObject = nativeFoundObject.Data;
// Currently the only valid object properties are: label, score
foundObject.Label = properties.ContainsKey("label") ? properties["label"] : string.Empty;
foundObject.Confidence = properties.ContainsKey("score") ? Convert.ToSingle(properties["score"]) : 0f;
foundObjects[objectIndex] = foundObject;
}
else
{
MLPluginLog.ErrorFormat("MLFoundObjects.ProcessPendingQueries failed to get found object. Reason: {0}", MLResult.CodeToString(resultCode));
_instance.errorQueries.Add(handle);
}
}
if (!_instance.completedQueries.Contains(handle))
{
_instance.completedQueries.Add(handle);
}
Query query = _instance.pendingQueries[handle];
// Dispatch list of found objects back to main.
MLThreadDispatch.ScheduleMain(() =>
{
query.Callback(MLResult.Create(resultCode), foundObjects);
});
}
else
{
MLPluginLog.ErrorFormat("MLFoundObjects.ProcessPendingQueries failed to query found objects. Reason: {0}", MLResult.CodeToString(resultCode));
_instance.errorQueries.Add(handle);
}
}
foreach (ulong handle in _instance.errorQueries)
{
_instance.pendingQueries.TryRemove(handle, out Query q);
}
_instance.errorQueries.Clear();
foreach (ulong handle in _instance.completedQueries)
{
_instance.pendingQueries.TryRemove(handle, out Query q);
}
_instance.completedQueries.Clear();
}
}
catch (System.EntryPointNotFoundException)
{
MLPluginLog.Error("MLFoundObjects.ProcessPendingQueries failed. Reason: API symbols not found");
}
return(true);
});
}
/// <summary>
/// Process pending requests and call the callback specified in the startup config.
/// </summary>
private void ProcessPendingQueries()
{
try
{
if (_instance.pendingQueries.Count > 0)
{
// Process each individual pending query to get updated status.
foreach (ulong handle in _instance.pendingQueries.Keys)
{
NativeBindings.Query query = _instance.pendingQueries[handle];
// Request the update.
MLResult.Code resultCode = NativeBindings.MLFoundObjectGetResultCount(_instance.tracker, handle, out uint resultCount);
if (MLResult.IsOK(resultCode))
{
for (uint objectIndex = 0; objectIndex < resultCount; objectIndex++)
{
NativeBindings.FoundObjectNative foundObject = new NativeBindings.FoundObjectNative();
resultCode = NativeBindings.MLFoundObjectGetResult(_instance.tracker, handle, objectIndex, ref foundObject);
if (MLResult.IsOK(resultCode))
{
List <KeyValuePair <string, string> > properties = null;
if (foundObject.PropertyCount > 0)
{
NativeBindings.PropertyNative objectProperty = new NativeBindings.PropertyNative();
properties = new List <KeyValuePair <string, string> >();
for (uint propertyIndex = 0; propertyIndex < foundObject.PropertyCount; propertyIndex++)
{
resultCode = NativeBindings.MLFoundObjectGetProperty(_instance.tracker, foundObject.Id, propertyIndex, ref objectProperty);
if (MLResult.IsOK(resultCode))
{
properties.Add(new KeyValuePair <string, string>(new string(objectProperty.Key), new string(objectProperty.Value)));
}
else
{
MLPluginLog.ErrorFormat("MLFoundObject.ProcessPendingQueries failed to get found object property. Reason: {0}", MLResult.CodeToString(resultCode));
}
}
}
if (!_instance.completedQueries.ContainsKey(handle))
{
_instance.completedQueries.Add(handle, new List <Tuple <NativeBindings.Query, FoundObject, List <KeyValuePair <string, string> > > >());
}
_instance.completedQueries[handle].Add(new Tuple <NativeBindings.Query, FoundObject, List <KeyValuePair <string, string> > >(
query,
new FoundObject
{
Id = MLConvert.ToUnity(foundObject.Id),
PropertyCount = foundObject.PropertyCount,
Position = MLConvert.ToUnity(foundObject.Position),
Rotation = MLConvert.ToUnity(foundObject.Rotation),
Size = MLConvert.ToUnity(foundObject.Size)
},
properties));
}
else
{
MLPluginLog.ErrorFormat("MLFoundObject.ProcessPendingQueries failed to get found object. Reason: {0}", MLResult.CodeToString(resultCode));
_instance.errorQueries.Add(handle);
}
}
}
else
{
MLPluginLog.ErrorFormat("MLFoundObjects.ProcessPendingQueries failed to query found objects. Reason: {0}", MLResult.CodeToString(resultCode));
_instance.errorQueries.Add(handle);
}
}
foreach (ulong handle in _instance.errorQueries)
{
_instance.pendingQueries.Remove(handle);
}
_instance.errorQueries.Clear();
foreach (KeyValuePair <ulong, List <Tuple <NativeBindings.Query, FoundObject, List <KeyValuePair <string, string> > > > > handle in _instance.completedQueries)
{
for (int i = 0; i < handle.Value.Count; ++i)
{
handle.Value[i].Item1.Callback(handle.Value[i].Item2, handle.Value[i].Item3);
}
_instance.pendingQueries.Remove(handle.Key);
}
_instance.completedQueries.Clear();
}
}
catch (System.EntryPointNotFoundException)
{
MLPluginLog.Error("MLFoundObjects.ProcessPendingQueries failed. Reason: API symbols not found");
}
}
