InputState.h

/*   ██╗  ██╗  █████╗  ████████╗  █████╗  ███╗   ██╗  █████╗ 
     ██║ ██╔╝ ██╔══██╗ ╚══██╔══╝ ██╔══██╗ ████╗  ██║ ██╔══██╗
     █████╔╝  ███████║    ██║    ███████║ ██╔██╗ ██║ ███████║
     ██╔═██╗  ██╔══██║    ██║    ██╔══██║ ██║╚██╗██║ ██╔══██║
     ██║  ██╗ ██║  ██║    ██║    ██║  ██║ ██║ ╚████║ ██║  ██║
     ╚═╝  ╚═╝ ╚═╝  ╚═╝/\  ╚═╝    ╚═╝  ╚═╝ ╚═╝  ╚═══╝ ╚═╝  ╚═╝
   /vvvvvvvvvvvvvvvvvvv \=========================================,
   `^^^^^^^^^^^^^^^^^^^ /---------------------------------------"
        Katana Engine \/ © 2012 - Shuriken Studios LLC              */

#pragma once

namespace KatanaEngine
{

    class InputState
    {
        friend class Game;

    public:

        static const uint8_t MAX_NUM_GAMEPADSTATES = 4;

        InputState();
        virtual ~InputState() { }

        bool IsKeyDown(Key key) const;

        bool IsKeyUp(Key key) const;

        bool IsNewKeyPress(Key key) const;

        bool IsNewKeyRelease(Key key) const;


        Point GetMousePosition() const { return Point(m_currentMouseState.x, m_currentMouseState.y); }

        bool IsMouseButtonDown(MouseButton button) const { return (m_currentMouseState.buttons & (int)button); }

        bool IsMouseButtonUp(MouseButton button) const { return !IsMouseButtonDown(button); }

        bool WasMouseButtonDown(MouseButton button) const { return (m_previousMouseState.buttons & (int)button); }

        bool WasMouseButtonUp(MouseButton button) const { return !WasMouseButtonDown(button); }

        bool IsNewMouseButtonPress(MouseButton button) const { return (IsMouseButtonDown(button) && WasMouseButtonUp(button)); }
        
        bool IsNewMouseButtonRelease(MouseButton button) const { return (WasMouseButtonDown(button) && IsMouseButtonUp(button)); }


        bool IsButtonUp(Button button, int8_t &indexOut, int8_t controllingIndex = -1) const;

        bool IsButtonDown(Button button, int8_t &indexOut, int8_t controllingIndex = -1) const;

        bool IsNewButtonPress(Button button, int8_t &indexOut, int8_t controllingIndex = -1) const;

        bool IsNewButtonRelease(Button button, int8_t &indexOut, int8_t controllingIndex = -1) const;

        GamePadState GetGamePadState(const int8_t gamePadIndex) const;


    private:

        ALLEGRO_KEYBOARD_STATE m_currentKeyboardState;
        ALLEGRO_KEYBOARD_STATE m_previousKeyboardState;

        ALLEGRO_MOUSE_STATE m_currentMouseState;
        ALLEGRO_MOUSE_STATE m_previousMouseState;

        GamePadState m_currentGamePadStates[MAX_NUM_GAMEPADSTATES];
        GamePadState m_previousGamePadStates[MAX_NUM_GAMEPADSTATES];

        std::map<ALLEGRO_JOYSTICK *, int> m_map;

        void Update();

        int8_t GetGamePadIndex(ALLEGRO_JOYSTICK *pId);

        void InitializeGamePads();

        void UpdateConfigurationEvent();
        void UpdateAxisEvent(ALLEGRO_EVENT alEvent);
        void UpdateButtonEvent(ALLEGRO_EVENT alEvent, ButtonState state);

    };
}