/*

  Simple DirectMedia Layer

  Copyright (C) 1997-2013 Sam Lantinga <slouken@libsdl.org>

  This software is provided 'as-is', without any express or implied

  warranty.  In no event will the authors be held liable for any damages

  arising from the use of this software.

  Permission is granted to anyone to use this software for any purpose,

  including commercial applications, and to alter it and redistribute it

  freely, subject to the following restrictions:

  1. The origin of this software must not be misrepresented; you must not

     claim that you wrote the original software. If you use this software

     in a product, an acknowledgment in the product documentation would be

     appreciated but is not required.

  2. Altered source versions must be plainly marked as such, and must not be

     misrepresented as being the original software.

  3. This notice may not be removed or altered from any source distribution.

*/

#include "SDL_config.h"

#ifdef SDL_JOYSTICK_DINPUT

/* DirectInput joystick driver; written by Glenn Maynard, based on Andrei de

 * A. Formiga's WINMM driver.

 *

 * Hats and sliders are completely untested; the app I'm writing this for mostly

 * doesn't use them and I don't own any joysticks with them.

 *

 * We don't bother to use event notification here.  It doesn't seem to work

 * with polled devices, and it's fine to call IDirectInputDevice8_GetDeviceData and

 * let it return 0 events. */

#include "SDL_error.h"

#include "SDL_assert.h"

#include "SDL_events.h"

#include "SDL_thread.h"

#include "SDL_timer.h"

#include "SDL_mutex.h"

#include "SDL_events.h"

#include "SDL_hints.h"

#include "SDL_joystick.h"

#include "../SDL_sysjoystick.h"

#if !SDL_EVENTS_DISABLED

#include "../../events/SDL_events_c.h"

#endif

/* The latest version of mingw-w64 defines IID_IWbemLocator in wbemcli.h

   instead of declaring it like Visual Studio and other mingw32 compilers.

   So, we need to take care of this here before we define INITGUID.

*/

#ifdef __MINGW32__

#define __IWbemLocator_INTERFACE_DEFINED__

#endif /* __MINGW32__ */

#define INITGUID /* Only set here, if set twice will cause mingw32 to break. */

#include "SDL_dxjoystick_c.h"

#ifdef __MINGW32__

/* And now that we've included wbemcli.h we need to declare these interfaces */

typedef struct IWbemLocatorVtbl {

  BEGIN_INTERFACE

    HRESULT (WINAPI *QueryInterface)(IWbemLocator *This,REFIID riid,void **ppvObject);

    ULONG (WINAPI *AddRef)(IWbemLocator *This);

    ULONG (WINAPI *Release)(IWbemLocator *This);

    HRESULT (WINAPI *ConnectServer)(IWbemLocator *This,const BSTR strNetworkResource,const BSTR strUser,const BSTR strPassword,const BSTR strLocale,LONG lSecurityFlags,const BSTR strAuthority,IWbemContext *pCtx,IWbemServices **ppNamespace);

  END_INTERFACE

} IWbemLocatorVtbl;

struct IWbemLocator {

  CONST_VTBL struct IWbemLocatorVtbl *lpVtbl;

};

#define IWbemLocator_ConnectServer(This,strNetworkResource,strUser,strPassword,strLocale,lSecurityFlags,strAuthority,pCtx,ppNamespace) (This)->lpVtbl->ConnectServer(This,strNetworkResource,strUser,strPassword,strLocale,lSecurityFlags,strAuthority,pCtx,ppNamespace)

#endif /* __MINGW32__ */

#ifndef DIDFT_OPTIONAL

#define DIDFT_OPTIONAL      0x80000000

#endif

#define INPUT_QSIZE 32      /* Buffer up to 32 input messages */

#define MAX_JOYSTICKS 8

#define AXIS_MIN    -32768  /* minimum value for axis coordinate */

#define AXIS_MAX    32767   /* maximum value for axis coordinate */

#define JOY_AXIS_THRESHOLD  (((AXIS_MAX)-(AXIS_MIN))/100)   /* 1% motion */

/* external variables referenced. */

extern HWND SDL_HelperWindow;

/* local variables */

static SDL_bool coinitialized = SDL_FALSE;

static LPDIRECTINPUT8 dinput = NULL;

static SDL_bool s_bDeviceAdded = SDL_FALSE;

static SDL_bool s_bDeviceRemoved = SDL_FALSE;

static SDL_JoystickID s_nInstanceID = -1;

static GUID *s_pKnownJoystickGUIDs = NULL;

static SDL_cond *s_condJoystickThread = NULL;

static SDL_mutex *s_mutexJoyStickEnum = NULL;

static SDL_Thread *s_threadJoystick = NULL;

static SDL_bool s_bJoystickThreadQuit = SDL_FALSE;

static SDL_bool s_bXInputEnabled = SDL_TRUE;

XInputGetState_t SDL_XInputGetState = NULL;

XInputSetState_t SDL_XInputSetState = NULL;

XInputGetCapabilities_t SDL_XInputGetCapabilities = NULL;

DWORD SDL_XInputVersion = 0;

static HANDLE s_pXInputDLL = 0;

static int s_XInputDLLRefCount = 0;

int

WIN_LoadXInputDLL(void)

{

    DWORD version = 0;

    if (s_pXInputDLL) {

        SDL_assert(s_XInputDLLRefCount > 0);

        s_XInputDLLRefCount++;

        return 0;  /* already loaded */

    }

    version = (1 << 16) | 4;

    s_pXInputDLL = LoadLibrary( L"XInput1_4.dll" );  /* 1.4 Ships with Windows 8. */

    if (!s_pXInputDLL) {

        version = (1 << 16) | 3;

        s_pXInputDLL = LoadLibrary( L"XInput1_3.dll" );  /* 1.3 Ships with Vista and Win7, can be installed as a redistributable component. */

    }

    if (!s_pXInputDLL) {

        s_pXInputDLL = LoadLibrary( L"bin\\XInput1_3.dll" );

    }

    if (!s_pXInputDLL) {

        return -1;

    }

    SDL_assert(s_XInputDLLRefCount == 0);

    SDL_XInputVersion = version;

    s_XInputDLLRefCount = 1;

    /* 100 is the ordinal for _XInputGetStateEx, which returns the same struct as XinputGetState, but with extra data in wButtons for the guide button, we think... */

    SDL_XInputGetState = (XInputGetState_t)GetProcAddress( (HMODULE)s_pXInputDLL, (LPCSTR)100 );

    SDL_XInputSetState = (XInputSetState_t)GetProcAddress( (HMODULE)s_pXInputDLL, "XInputSetState" );

    SDL_XInputGetCapabilities = (XInputGetCapabilities_t)GetProcAddress( (HMODULE)s_pXInputDLL, "XInputGetCapabilities" );

    if ( !SDL_XInputGetState || !SDL_XInputSetState || !SDL_XInputGetCapabilities ) {

        WIN_UnloadXInputDLL();

        return -1;

    }

    return 0;

}

void

WIN_UnloadXInputDLL(void)

{

    if ( s_pXInputDLL ) {

        SDL_assert(s_XInputDLLRefCount > 0);

        if (--s_XInputDLLRefCount == 0) {

            FreeLibrary( s_pXInputDLL );

            s_pXInputDLL = NULL;

        }

    } else {

        SDL_assert(s_XInputDLLRefCount == 0);

    }

}

extern HRESULT(WINAPI * DInputCreate) (HINSTANCE hinst, DWORD dwVersion,

                                       LPDIRECTINPUT * ppDI,

                                       LPUNKNOWN punkOuter);

struct JoyStick_DeviceData_

{

    SDL_JoystickGUID guid;

    DIDEVICEINSTANCE dxdevice;

    char *joystickname;

    Uint8 send_add_event;

    SDL_JoystickID nInstanceID;

    SDL_bool bXInputDevice;

    Uint8 XInputUserId;

    struct JoyStick_DeviceData_ *pNext;

};

typedef struct JoyStick_DeviceData_ JoyStick_DeviceData;

static JoyStick_DeviceData *SYS_Joystick;    /* array to hold joystick ID values */

/* local prototypes */

static int SetDIerror(const char *function, HRESULT code);

static BOOL CALLBACK EnumJoysticksCallback(const DIDEVICEINSTANCE *

                                           pdidInstance, VOID * pContext);

static BOOL CALLBACK EnumDevObjectsCallback(LPCDIDEVICEOBJECTINSTANCE dev,

                                            LPVOID pvRef);

static void SortDevObjects(SDL_Joystick *joystick);

static Uint8 TranslatePOV(DWORD value);

static int SDL_PrivateJoystickAxis_Int(SDL_Joystick * joystick, Uint8 axis,

                                       Sint16 value);

static int SDL_PrivateJoystickHat_Int(SDL_Joystick * joystick, Uint8 hat,

                                      Uint8 value);

static int SDL_PrivateJoystickButton_Int(SDL_Joystick * joystick,

                                         Uint8 button, Uint8 state);

/* Taken from Wine - Thanks! */

DIOBJECTDATAFORMAT dfDIJoystick2[] = {

  { &GUID_XAxis,DIJOFS_X,DIDFT_OPTIONAL|DIDFT_AXIS|DIDFT_ANYINSTANCE,0},

  { &GUID_YAxis,DIJOFS_Y,DIDFT_OPTIONAL|DIDFT_AXIS|DIDFT_ANYINSTANCE,0},

  { &GUID_ZAxis,DIJOFS_Z,DIDFT_OPTIONAL|DIDFT_AXIS|DIDFT_ANYINSTANCE,0},

  { &GUID_RxAxis,DIJOFS_RX,DIDFT_OPTIONAL|DIDFT_AXIS|DIDFT_ANYINSTANCE,0},

  { &GUID_RyAxis,DIJOFS_RY,DIDFT_OPTIONAL|DIDFT_AXIS|DIDFT_ANYINSTANCE,0},

  { &GUID_RzAxis,DIJOFS_RZ,DIDFT_OPTIONAL|DIDFT_AXIS|DIDFT_ANYINSTANCE,0},

  { &GUID_Slider,DIJOFS_SLIDER(0),DIDFT_OPTIONAL|DIDFT_AXIS|DIDFT_ANYINSTANCE,0},

  { &GUID_Slider,DIJOFS_SLIDER(1),DIDFT_OPTIONAL|DIDFT_AXIS|DIDFT_ANYINSTANCE,0},

  { &GUID_POV,DIJOFS_POV(0),DIDFT_OPTIONAL|DIDFT_POV|DIDFT_ANYINSTANCE,0},

  { &GUID_POV,DIJOFS_POV(1),DIDFT_OPTIONAL|DIDFT_POV|DIDFT_ANYINSTANCE,0},

  { &GUID_POV,DIJOFS_POV(2),DIDFT_OPTIONAL|DIDFT_POV|DIDFT_ANYINSTANCE,0},

  { &GUID_POV,DIJOFS_POV(3),DIDFT_OPTIONAL|DIDFT_POV|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(0),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(1),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(2),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(3),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(4),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(5),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(6),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(7),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(8),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(9),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(10),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(11),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(12),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(13),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(14),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(15),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(16),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(17),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(18),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(19),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(20),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(21),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(22),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(23),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(24),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(25),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(26),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(27),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(28),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(29),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(30),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(31),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(32),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(33),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(34),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(35),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(36),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(37),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(38),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(39),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(40),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(41),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(42),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(43),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(44),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(45),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(46),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(47),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(48),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(49),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(50),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(51),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(52),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(53),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(54),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(55),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(56),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(57),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(58),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(59),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(60),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(61),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(62),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(63),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(64),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(65),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(66),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(67),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(68),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(69),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(70),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(71),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(72),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(73),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(74),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(75),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(76),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(77),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(78),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(79),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(80),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(81),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(82),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(83),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(84),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(85),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(86),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(87),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(88),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(89),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(90),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(91),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(92),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(93),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(94),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(95),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(96),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(97),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(98),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(99),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(100),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(101),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(102),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(103),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(104),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(105),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(106),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(107),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(108),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(109),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(110),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(111),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(112),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(113),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(114),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(115),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(116),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(117),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(118),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(119),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(120),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(121),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(122),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(123),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(124),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(125),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(126),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { NULL,DIJOFS_BUTTON(127),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},

  { &GUID_XAxis,FIELD_OFFSET(DIJOYSTATE2,lVX),DIDFT_OPTIONAL|DIDFT_AXIS|DIDFT_ANYINSTANCE,0},

  { &GUID_YAxis,FIELD_OFFSET(DIJOYSTATE2,lVY),DIDFT_OPTIONAL|DIDFT_AXIS|DIDFT_ANYINSTANCE,0},

  { &GUID_ZAxis,FIELD_OFFSET(DIJOYSTATE2,lVZ),DIDFT_OPTIONAL|DIDFT_AXIS|DIDFT_ANYINSTANCE,0},

  { &GUID_RxAxis,FIELD_OFFSET(DIJOYSTATE2,lVRx),DIDFT_OPTIONAL|DIDFT_AXIS|DIDFT_ANYINSTANCE,0},

  { &GUID_RyAxis,FIELD_OFFSET(DIJOYSTATE2,lVRy),DIDFT_OPTIONAL|DIDFT_AXIS|DIDFT_ANYINSTANCE,0},

  { &GUID_RzAxis,FIELD_OFFSET(DIJOYSTATE2,lVRz),DIDFT_OPTIONAL|DIDFT_AXIS|DIDFT_ANYINSTANCE,0},

  { &GUID_Slider,FIELD_OFFSET(DIJOYSTATE2,rglVSlider[0]),DIDFT_OPTIONAL|DIDFT_AXIS|DIDFT_ANYINSTANCE,0},

  { &GUID_Slider,FIELD_OFFSET(DIJOYSTATE2,rglVSlider[1]),DIDFT_OPTIONAL|DIDFT_AXIS|DIDFT_ANYINSTANCE,0},

  { &GUID_XAxis,FIELD_OFFSET(DIJOYSTATE2,lAX),DIDFT_OPTIONAL|DIDFT_AXIS|DIDFT_ANYINSTANCE,0},

  { &GUID_YAxis,FIELD_OFFSET(DIJOYSTATE2,lAY),DIDFT_OPTIONAL|DIDFT_AXIS|DIDFT_ANYINSTANCE,0},

  { &GUID_ZAxis,FIELD_OFFSET(DIJOYSTATE2,lAZ),DIDFT_OPTIONAL|DIDFT_AXIS|DIDFT_ANYINSTANCE,0},

  { &GUID_RxAxis,FIELD_OFFSET(DIJOYSTATE2,lARx),DIDFT_OPTIONAL|DIDFT_AXIS|DIDFT_ANYINSTANCE,0},

  { &GUID_RyAxis,FIELD_OFFSET(DIJOYSTATE2,lARy),DIDFT_OPTIONAL|DIDFT_AXIS|DIDFT_ANYINSTANCE,0},

  { &GUID_RzAxis,FIELD_OFFSET(DIJOYSTATE2,lARz),DIDFT_OPTIONAL|DIDFT_AXIS|DIDFT_ANYINSTANCE,0},

  { &GUID_Slider,FIELD_OFFSET(DIJOYSTATE2,rglASlider[0]),DIDFT_OPTIONAL|DIDFT_AXIS|DIDFT_ANYINSTANCE,0},

  { &GUID_Slider,FIELD_OFFSET(DIJOYSTATE2,rglASlider[1]),DIDFT_OPTIONAL|DIDFT_AXIS|DIDFT_ANYINSTANCE,0},

  { &GUID_XAxis,FIELD_OFFSET(DIJOYSTATE2,lFX),DIDFT_OPTIONAL|DIDFT_AXIS|DIDFT_ANYINSTANCE,0},

  { &GUID_YAxis,FIELD_OFFSET(DIJOYSTATE2,lFY),DIDFT_OPTIONAL|DIDFT_AXIS|DIDFT_ANYINSTANCE,0},

  { &GUID_ZAxis,FIELD_OFFSET(DIJOYSTATE2,lFZ),DIDFT_OPTIONAL|DIDFT_AXIS|DIDFT_ANYINSTANCE,0},

  { &GUID_RxAxis,FIELD_OFFSET(DIJOYSTATE2,lFRx),DIDFT_OPTIONAL|DIDFT_AXIS|DIDFT_ANYINSTANCE,0},

  { &GUID_RyAxis,FIELD_OFFSET(DIJOYSTATE2,lFRy),DIDFT_OPTIONAL|DIDFT_AXIS|DIDFT_ANYINSTANCE,0},

  { &GUID_RzAxis,FIELD_OFFSET(DIJOYSTATE2,lFRz),DIDFT_OPTIONAL|DIDFT_AXIS|DIDFT_ANYINSTANCE,0},

  { &GUID_Slider,FIELD_OFFSET(DIJOYSTATE2,rglFSlider[0]),DIDFT_OPTIONAL|DIDFT_AXIS|DIDFT_ANYINSTANCE,0},

  { &GUID_Slider,FIELD_OFFSET(DIJOYSTATE2,rglFSlider[1]),DIDFT_OPTIONAL|DIDFT_AXIS|DIDFT_ANYINSTANCE,0},

};

const DIDATAFORMAT c_dfDIJoystick2 = {

    sizeof(DIDATAFORMAT),

    sizeof(DIOBJECTDATAFORMAT),

    DIDF_ABSAXIS,

    sizeof(DIJOYSTATE2),

    SDL_arraysize(dfDIJoystick2),

    dfDIJoystick2

};

/* Convert a DirectInput return code to a text message */

static int

SetDIerror(const char *function, HRESULT code)

{

    /*

    return SDL_SetError("%s() [%s]: %s", function,

                 DXGetErrorString9A(code), DXGetErrorDescription9A(code));

     */

    return SDL_SetError("%s() DirectX error %d", function, code);

}

#define SAFE_RELEASE(p)                             \

{                                                   \

    if (p) {                                        \

        (p)->lpVtbl->Release((p));                  \

        (p) = 0;                                    \

    }                                               \

}

DEFINE_GUID(CLSID_WbemLocator,   0x4590f811,0x1d3a,0x11d0,0x89,0x1F,0x00,0xaa,0x00,0x4b,0x2e,0x24);

/* The Windows SDK doesn't define this GUID */

DEFINE_GUID(IID_IWbemLocator,    0xdc12a687,0x737f,0x11cf,0x88,0x4d,0x00,0xaa,0x00,0x4b,0x2e,0x24);

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

 *

 * code from MSDN: http://msdn.microsoft.com/en-us/library/windows/desktop/ee417014(v=vs.85).aspx

 *

 * Enum each PNP device using WMI and check each device ID to see if it contains

 * "IG_" (ex. "VID_045E&PID_028E&IG_00").  If it does, then it's an XInput device

 * Unfortunately this information can not be found by just using DirectInput

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

BOOL IsXInputDevice( const GUID* pGuidProductFromDirectInput )

{

    IWbemLocator*           pIWbemLocator  = NULL;

    IEnumWbemClassObject*   pEnumDevices   = NULL;

    IWbemClassObject*       pDevices[20];

    IWbemServices*          pIWbemServices = NULL;

    DWORD                   uReturned      = 0;

    BSTR                    bstrNamespace  = NULL;

    BSTR                    bstrDeviceID   = NULL;

    BSTR                    bstrClassName  = NULL;

    SDL_bool                bIsXinputDevice= SDL_FALSE;

    UINT                    iDevice        = 0;

    VARIANT                 var;

    HRESULT                 hr;

    DWORD bCleanupCOM;

    if (!s_bXInputEnabled)

    {

        return SDL_FALSE;

    }

    SDL_memset( pDevices, 0x0, sizeof(pDevices) );

    /* CoInit if needed */

    hr = CoInitialize(NULL);

    bCleanupCOM = SUCCEEDED(hr);

    /* Create WMI */

    hr = CoCreateInstance( &CLSID_WbemLocator,

        NULL,

        CLSCTX_INPROC_SERVER,

        &IID_IWbemLocator,

        (LPVOID*) &pIWbemLocator);

    if( FAILED(hr) || pIWbemLocator == NULL )

        goto LCleanup;

    bstrNamespace = SysAllocString( L"\\\\.\\root\\cimv2" );if( bstrNamespace == NULL ) goto LCleanup;

    bstrClassName = SysAllocString( L"Win32_PNPEntity" );   if( bstrClassName == NULL ) goto LCleanup;

    bstrDeviceID  = SysAllocString( L"DeviceID" );          if( bstrDeviceID == NULL )  goto LCleanup;

    /* Connect to WMI */

    hr = IWbemLocator_ConnectServer( pIWbemLocator, bstrNamespace, NULL, NULL, 0L,

        0L, NULL, NULL, &pIWbemServices );

    if( FAILED(hr) || pIWbemServices == NULL )

        goto LCleanup;

    /* Switch security level to IMPERSONATE. */

    CoSetProxyBlanket( (IUnknown *)pIWbemServices, RPC_C_AUTHN_WINNT, RPC_C_AUTHZ_NONE, NULL,

        RPC_C_AUTHN_LEVEL_CALL, RPC_C_IMP_LEVEL_IMPERSONATE, NULL, EOAC_NONE );

    hr = IWbemServices_CreateInstanceEnum( pIWbemServices, bstrClassName, 0, NULL, &pEnumDevices );

    if( FAILED(hr) || pEnumDevices == NULL )

        goto LCleanup;

    /* Loop over all devices */

    for( ;; )

    {

        /* Get 20 at a time */

        hr = IEnumWbemClassObject_Next( pEnumDevices, 10000, 20, pDevices, &uReturned );

        if( FAILED(hr) )

            goto LCleanup;

        if( uReturned == 0 )

            break;

        for( iDevice=0; iDevice<uReturned; iDevice++ )

        {

            /* For each device, get its device ID */

            hr = IWbemClassObject_Get( pDevices[iDevice], bstrDeviceID, 0L, &var, NULL, NULL );

            if(  SUCCEEDED( hr ) && var.vt == VT_BSTR && var.bstrVal != NULL )

            {

                /* Check if the device ID contains "IG_".  If it does, then it's an XInput device */

                /* This information can not be found from DirectInput */

                char *pDeviceString = WIN_StringToUTF8( var.bstrVal );

                if( SDL_strstr( pDeviceString, "IG_" ) )

                {

                    /* If it does, then get the VID/PID from var.bstrVal */

                    long dwPid = 0, dwVid = 0;

                    char * strPid = NULL;

                    DWORD dwVidPid = 0;

                    char * strVid = SDL_strstr( pDeviceString, "VID_" );