search_node_info.h

#ifndef SEARCH_NODE_INFO_H
#define SEARCH_NODE_INFO_H
 
#include "downward/operator_id.h"
#include "downward/state_id.h"
 
// For documentation on classes relevant to storing and working with registered
// states see the file state_registry.h.
 
struct SearchNodeInfo {
    enum NodeStatus { NEW = 0, OPEN = 1, CLOSED = 2, DEAD_END = 3 };
 
    unsigned int status : 2;
    int g : 30;
    StateID parent_state_id;
    OperatorID creating_operator;
    int real_g;
 
    SearchNodeInfo()
        : status(NEW)
        , g(-1)
        , parent_state_id(StateID::no_state)
        , creating_operator(-1)
        , real_g(-1)
    {
    }
};
 
#endif