ScreenManager.h

/* ---------------------------------------------------------------  /

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   `^^^^^^^^^^^^^^^^^^^ /---------------------------------------"
        Katana Engine \/ © 2012 - Shuriken Studios LLC

/  --------------------------------------------------------------- */

#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 *pGameTime);

        virtual void Draw(SpriteBatch *pSpriteBatch);


    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 *pInput);
    };
}