/// @brief initializes the class with a new user.
///
/// initializes the class with a new user (The class is invalid (m_uniqueID<0) until this is done successfully)
/// @param usersGenerator the users generator which holds the users.
/// @param uniqueID the uniqueID of the user we should initialize to.
/// @return true on success and false on failure (making the object invalid, i.e. m_uniqueID<0).
public bool InitInternalSkeleton(NIUserAndSkeleton usersGenerator, int uniqueID)
{
m_uniqueID = -1; // to make sure we are invalid until we are sure we are valid.
if (usersGenerator.Valid == false)
return false; // must have a valid users generator to do anything
m_userID = usersGenerator.GetNIUserId(uniqueID);
if (m_userID < 0)
return false; // means the uniqueID was illegal
if (usersGenerator.GetUserCalibrationState(m_userID) != NIUserAndSkeleton.CalibrationState.calibrated)
return false; // we only initialize calibrated users as we need the skeleton.
int numJoints = 0; // holds the place to position the next joint.
foreach (SkeletonJoint joint in Enum.GetValues(typeof(SkeletonJoint)))
{
if (usersGenerator.Skeleton.IsJointAvailable(joint)==false)
continue; // an irrelevant joint.
// we need to add the joint but we don't want to create a new one unless we need to.
if (numJoints < m_jointsIDs.Count)
{
m_jointsIDs[numJoints] = joint;
}
else
{
m_jointsIDs.Add(joint);
}
// we need to add the joint transformation but we don't want to create a new one unless we need to.
if(numJoints<m_jointsTrans.Count)
{
m_jointsTrans[numJoints]=usersGenerator.Skeleton.GetSkeletonJoint(m_userID, joint);
}
else
{
SkeletonJointTransformation skelTrans = usersGenerator.Skeleton.GetSkeletonJoint(m_userID, joint);
m_jointsTrans.Add(skelTrans);
}
numJoints++;
}
if (numJoints < m_jointsIDs.Count)
{
for (; numJoints < m_jointsIDs.Count; numJoints++)
m_jointsIDs[numJoints] = SkeletonJoint.Invalid;
}
m_uniqueID = uniqueID;
return true;
}
