class GameStateGamePlay :public GameState
{
    Player m_player;// player object with information about him and everything related
    Map m_Map;// World map
};

class Player
{
public:
    std::vector<bool>* GetMapRevealed() { return &m_mapRevealed; }
private:
    std::vector<bool> m_mapRevealed;
};

class Map
{
public:
    void Draw(Graphics& gfx);
    void InitMapFog(std::vector<bool>* data);
private:
    std::vector<bool>* m_discovered;// layout of discovered map
};

void Map::InitMapFog(std::vector<bool>* data)
{
    m_discovered = data;
}

void Map::Draw(Graphics& gfx)
{
    if (!m_discovered[at + x]) // error here because of pointer i guess
    {
        //draw rect
    }
}