tracker pseudoCode

bool Tracker<T>::CONFIRMING
{
    if (skipTracking)
    {
        _current = supplied;
        return true;
    }
    else
    {
        _findTrackedObj();
    }

    // if no object tracked, continue previous, and decrement the counter
    if (_equalityFunctor(_current, _empty))
    {
        // @TODO: debug
        _current = _prev;
        --_objectTrackCount;
        _checkObjCountBounds();
        return false;
    }
    else
    {
        ++_objectTrackCount;  // no bound check required
        _previous = _current;
    }
    return true;
}

template <class T>
bool Tracker<T>::TRACKING
{
    _findTrackedObj(isWindowDynamic);
    if (_equalityFunctor(_current, _empty))
    {
        _current = _prev;
        --_objectTrackCount;  // no bound check required
        return false;
    }
    else
    {
        _previous = _current;
        ++_objectTrackCount;
        _checkObjCountBounds();
        if (_history.size() >= bufferLength)
        {
            _history.pop();
        }
        _history.push(_current.getPoint());
    }
    return true;
}