Engine/GameState.h

/*
 * GameState.h
 *
 *  Created on: 28-11-2010
 *      Author: marcin

 */

#ifndef GAME_STATE_H
#define GAME_STATE_H


#include "IObservable.h"
#include <iostream>
#include <string>

using namespace std;

static string names[8]={"INIT","MAIN_MENU","NEW_GAME","HIT_BALL","ANIMATION","PAUSE","PAUSE","BALL_IN_HOLE"};

class GameState: public IObservable
{
public:
        enum State
        {
                BEFORE_GAME = -1,
                INIT = 0,
                MAIN_MENU = 1,
                NEW_GAME,
                HIT_BALL,
                ANIMATION,
                PAUSE_HIT,
                PAUSE_ANI,
                BALL_IN_HOLE
        };



        static GameState *getInstance()
        {
          if (instance == NULL)
                        {
                                instance = new GameState();
                        }
          return instance;
        }


        void setCurrentState(State state)
        {
                if (this->currentState!=state)
                {
                        this->currentState = state;
                        std::cout<<"STATE:: "<<names[currentState]<<'\n';
                        this->notifySubscribers();
                }

        }

        State getCurrentState ()
        {
                return this->currentState;
        }



private:
        static GameState *instance;
        State currentState;
        GameState()
    {
                currentState = BEFORE_GAME ;

    };

        GameState(const GameState&);             // intentionally undefined

};

#endif