MenuScreen.h

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

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

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

#pragma once

namespace KatanaEngine
{
    class SpriteBatch;

    class MenuScreen : public Screen
    {

    public:

        MenuScreen();
        virtual ~MenuScreen();

        virtual void HandleInput(const InputState *pInput);

        virtual void Update(const GameTime *pGameTime);

        virtual void Draw(SpriteBatch *pSpriteBatch);

        virtual void SetItemListWrapping(const bool wraps) { m_itemListWraps = wraps; }


    protected:

        virtual void AddMenuItem(MenuItem *pItem);

        virtual MenuItem *GetSelectedItem() const { return m_menuItems[m_selectedItemIndex]; }

        virtual MenuItem *GetMenuItem(const int itemIndex) const { return m_menuItems[itemIndex]; }

        virtual void SetSelectedItem(const int itemIndex) { m_selectedItemIndex = itemIndex; }

        virtual void SetDisplayCount(const unsigned int count) { m_displayCount = count; }

        virtual int GetDisplayCount() const { return m_displayCount; }

        virtual int GetDisplayStartIndex() const { return m_displayStartIndex; }


    private:

        std::vector<MenuItem *> m_menuItems;

        unsigned int m_selectedItemIndex;

        unsigned int m_displayCount;

        unsigned int m_displayStartIndex;

        bool m_itemListWraps;

    };
}