class State
{
    public:
        virtual void update() = 0;
        virtual void draw() = 0;
        virtual int returnID() = 0;
        virtual void reset() = 0;
        virtual void init() = 0;
};

class gamestate
{
    std::vector <State*>m_states;
    int curState = 0;
    public:
        gamestate();
       ~gamestate();

    State *m_state;
    void change_state(int num);
    void addState(State *s);
    void update();
    void draw();
    int returnID();
    void resetState(int num);

};