ScreenManager.h

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/*
     ██╗  ██╗  █████╗  ████████╗  █████╗  ███╗   ██╗  █████╗ 
     ██║ ██╔╝ ██╔══██╗ ╚══██╔══╝ ██╔══██╗ ████╗  ██║ ██╔══██╗
     █████╔╝  ███████║    ██║    ███████║ ██╔██╗ ██║ ███████║
     ██╔═██╗  ██╔══██║    ██║    ██╔══██║ ██║╚██╗██║ ██╔══██║
     ██║  ██╗ ██║  ██║    ██║    ██║  ██║ ██║ ╚████║ ██║  ██║
     ╚═╝  ╚═╝ ╚═╝  ╚═╝/\  ╚═╝    ╚═╝  ╚═╝ ╚═╝  ╚═══╝ ╚═╝  ╚═╝
   /vvvvvvvvvvvvvvvvvvv \=========================================,
   `^^^^^^^^^^^^^^^^^^^ /---------------------------------------"
        Katana Engine \/ © 2012 - Shuriken Studios LLC
                http://www.shurikenstudios.com
*/
 
#pragma once
 
namespace KatanaEngine
{
    class Game;
 
    class ScreenManager
    {
        friend class Game;
 
    public:
 
        ScreenManager(Game *pGame);
        virtual ~ScreenManager() { }
 
        Game *GetGame() const { return m_pGame; }
 
        ResourceManager *GetResourceManager() const;
 
        virtual void AddScreen(Screen *pScreen);
 
        virtual void Update(const GameTime& gameTime);
 
        virtual void Draw(SpriteBatch& spriteBatch);
 
 
    private:
 
        Game *m_pGame;
 
        std::vector<Screen *> m_screens;
        std::vector<Screen *> m_screensToAdd;
        std::vector<Screen *> m_screensToRemove;
        std::vector<Screen *> m_screensToDraw;
 
        std::vector<Screen *>::iterator m_it;
        std::vector<Screen *>::reverse_iterator m_rit;
 
        virtual void HandleInput(const InputState& input);
    };
}