/** remove and return the open node specified by a key */
inline Titem_& PopOpenNode(const Key& key)
{
Titem_& item = m_open.Pop(key);
uint idxPop = m_open_queue.FindIndex(item);
m_open_queue.Remove(idxPop);
return item;
}
/** remove and return the best open node */
inline Titem_ *PopBestOpenNode()
{
if (!m_open_queue.IsEmpty()) {
Titem_ *item = m_open_queue.Shift();
m_open.Pop(*item);
return item;
}
return NULL;
}