BasicAIModule/include/GameStateDB.h

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/* 
 * GameStateDB.h
 *
 * The GameStateDB is a singleton object whose responsibility is to store 
 * the current state of the game and provide a querying mechanism for it.
 */
#pragma once
#include <map>
#include <string>

typedef std::map<GameStateEnum, std::string> GameState;

enum GameStateEnum
{
        TotalUnitCount, 
        WorkerCount, 
        FriendlyUnitCount, 
        EnemyUnitCount, 
        MineralsDiscovered, 
        GeysersDiscovered, 
        TO_BE_EXPANDED
};


class GameStateDB
{
private:
  GameState currentState, lastState;

public:
  Value& query(const GameStateEnum& key);       

private:
  
  // GameStateDB is singleton, hence private ctors/assignment
  GameStateDB();
  GameStateDB(const GameStateDB& other);
  void operator=(const GameStateDB& other);
};