#ifndef ASW_INPUT_DX_H
#define ASW_INPUT_DX_H

#define DIRECTINPUT_VERSION 0x0800
#include "dinput.h"
#ifdef WIN32
    #pragma comment( lib, "dinput8.lib" )
    #pragma comment( lib, "dxguid.lib" )
#endif

#include "ASW_Window_W32.h"

#define BUFFER_SIZE 16

/*
InputDX implements Input using DirectInput to communicate directly with
the hardware devices.  Buffered input is used (see Init()).
*/
class InputDX : public ASW::Input
{
    friend class ASW::Input;

private:

    LPDIRECTINPUT8       m_ptrManager;
    LPDIRECTINPUTDEVICE8 m_ptrMouse;
    LPDIRECTINPUTDEVICE8 m_ptrKeyboard;
    DIDEVICEOBJECTDATA   m_stuDataMouse[BUFFER_SIZE];
    DIDEVICEOBJECTDATA   m_stuDataKeyboard[BUFFER_SIZE];

    static ASW::Input::KeyType m_enmDirectXKeys[256];
    static void InitKeys();

protected:

    bool Sync(KeyChange * Changes, unsigned int & Amount, ASW::Point3i & MouseMovement);

public:

    struct Exception : public ASW::Exception
    {
        const HRESULT m_hndError;

        Exception(const char * File, const unsigned int Line, const char * Function, const char * Detail, const HRESULT Error);

        virtual void Print(UTIL::Output &);
        virtual const char * Type();
    };

    InputDX(WindowW32 &);
    virtual ~InputDX();

    virtual bool Acquire();
};

#endif