/// @brief Releases a request to a pose detection
///
/// This method releases a request to detect a pose for a user which lowers the reference count.
/// if no one uses the pose, the pose detection will be stopped.
/// @param pose The pose we want to detect
/// @param user The openNI user id of the user we want to detect on.
/// @return true on success, false on failure.
public bool ReleasePoseDetection(string pose, int user)
{
if (UserNode.PoseDetectionCapability == null || pose == null)
{
return(false);
}
for (int i = 0; i < m_poseDetectionCounter.Count; i++)
{
poseDetectionReferenceCounter refCounter = m_poseDetectionCounter[i];
if (refCounter.m_usedID == user && pose.CompareTo(refCounter.m_pose) == 0)
{
// we found the reference, lets dereference
refCounter.m_referenceCount--;
if (refCounter.m_referenceCount > 0)
{
return(true); // nothing to do, others still need it.
}
try
{
UserNode.PoseDetectionCapability.StopSinglePoseDetection(user, pose);
}
catch (System.Exception ex)
{
Log("Failed to stop pose detection with message " + ex.Message, NIEventLogger.Categories.Initialization, NIEventLogger.Sources.BaseObjects, NIEventLogger.VerboseLevel.Errors);
refCounter.m_referenceCount++; // we failed to stop so we return it...
return(false);
}
Log("Stopped following pose " + pose + " for user " + user, NIEventLogger.Categories.Misc, NIEventLogger.Sources.BaseObjects, NIEventLogger.VerboseLevel.Verbose);
m_poseDetectionCounter[i] = m_poseDetectionCounter[m_poseDetectionCounter.Count - 1];
m_poseDetectionCounter.RemoveAt(m_poseDetectionCounter.Count - 1);
return(true);
}
}
return(false); // no such user
}
/// @brief Request a pose detection to start
///
/// This method requests a pose detection to start. It supports reference counting so as to
/// make sure pose detection will continue as long as at least one
/// @param pose The pose we want to detect
/// @param user The openNI user id of the user we want to detect on.
/// @return true on success, false on failure.
public bool RequestPoseDetection(string pose, int user)
{
if (UserNode.PoseDetectionCapability == null || pose == null)
{
return(false);
}
foreach (poseDetectionReferenceCounter refCounter in m_poseDetectionCounter)
{
if (refCounter.m_usedID == user && pose.CompareTo(refCounter.m_pose) == 0)
{
// we already have this pose for this user so we are already detecting, just increase
// the reference count
refCounter.m_referenceCount++;
return(true);
}
}
// if we are here then we are not yet following this user so we need to create a new reference
// counter
try
{
UserNode.PoseDetectionCapability.StartPoseDetection(pose, user);
}
catch (System.Exception ex)
{
Log("Failed to start pose detection with message " + ex.Message, NIEventLogger.Categories.Initialization, NIEventLogger.Sources.BaseObjects, NIEventLogger.VerboseLevel.Errors);
return(false);
}
Log("Started following pose " + pose + " for user " + user, NIEventLogger.Categories.Misc, NIEventLogger.Sources.BaseObjects, NIEventLogger.VerboseLevel.Verbose);
poseDetectionReferenceCounter newCounter = new poseDetectionReferenceCounter();
newCounter.m_pose = pose;
newCounter.m_referenceCount = 1;
newCounter.m_usedID = user;
m_poseDetectionCounter.Add(newCounter);
return(true);
}
/// @brief Request a pose detection to start
///
/// This method requests a pose detection to start. It supports reference counting so as to
/// make sure pose detection will continue as long as at least one
/// @param pose The pose we want to detect
/// @param user The openNI user id of the user we want to detect on.
/// @return true on success, false on failure.
public bool RequestPoseDetection(string pose, int user)
{
if (UserNode.PoseDetectionCapability == null || pose==null)
return false;
foreach (poseDetectionReferenceCounter refCounter in m_poseDetectionCounter)
{
if (refCounter.m_usedID == user && pose.CompareTo(refCounter.m_pose) == 0)
{
// we already have this pose for this user so we are already detecting, just increase
// the reference count
refCounter.m_referenceCount++;
return true;
}
}
// if we are here then we are not yet following this user so we need to create a new reference
// counter
try
{
UserNode.PoseDetectionCapability.StartPoseDetection(pose, user);
}
catch (System.Exception ex)
{
Log("Failed to start pose detection with message " + ex.Message, NIEventLogger.Categories.Initialization, NIEventLogger.Sources.BaseObjects, NIEventLogger.VerboseLevel.Errors);
return false;
}
Log("Started following pose " + pose + " for user " + user, NIEventLogger.Categories.Misc, NIEventLogger.Sources.BaseObjects, NIEventLogger.VerboseLevel.Verbose);
poseDetectionReferenceCounter newCounter = new poseDetectionReferenceCounter();
newCounter.m_pose = pose;
newCounter.m_referenceCount = 1;
newCounter.m_usedID = user;
m_poseDetectionCounter.Add(newCounter);
return true;
}
