/*

Simple DirectMedia Layer

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_internal.h"

#include "../SDL_sysjoystick.h"

#if SDL_JOYSTICK_DINPUT

#include "SDL_windowsjoystick_c.h"

#include "SDL_dinputjoystick_c.h"

#include "SDL_xinputjoystick_c.h"

#ifndef DIDFT_OPTIONAL

#define DIDFT_OPTIONAL 0x80000000

#endif

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

#define CONVERT_MAGNITUDE(x) (((x)*10000) / 0x7FFF)

/* external variables referenced. */

extern HWND SDL_HelperWindow;

/* local variables */

static SDL_bool coinitialized = SDL_FALSE;

static LPDIRECTINPUT8 dinput = NULL;

static PRAWINPUTDEVICELIST SDL_RawDevList = NULL;

static UINT SDL_RawDevListCount = 0;

/* Taken from Wine - Thanks! */

static 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 },

};

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 0x%8.8lx", function, code);

}

static SDL_bool

SDL_IsXInputDevice(const GUID* pGuidProductFromDirectInput)

{

static GUID IID_ValveStreamingGamepad = { MAKELONG(0x28DE, 0x11FF), 0x0000, 0x0000, { 0x00, 0x00, 0x50, 0x49, 0x44, 0x56, 0x49, 0x44 } };

static GUID IID_X360WiredGamepad = { MAKELONG(0x045E, 0x02A1), 0x0000, 0x0000, { 0x00, 0x00, 0x50, 0x49, 0x44, 0x56, 0x49, 0x44 } };

static GUID IID_X360WirelessGamepad = { MAKELONG(0x045E, 0x028E), 0x0000, 0x0000, { 0x00, 0x00, 0x50, 0x49, 0x44, 0x56, 0x49, 0x44 } };

static GUID IID_XOneWiredGamepad = { MAKELONG(0x045E, 0x02FF), 0x0000, 0x0000, { 0x00, 0x00, 0x50, 0x49, 0x44, 0x56, 0x49, 0x44 } };

static GUID IID_XOneWirelessGamepad = { MAKELONG(0x045E, 0x02DD), 0x0000, 0x0000, { 0x00, 0x00, 0x50, 0x49, 0x44, 0x56, 0x49, 0x44 } };

static GUID IID_XOneNewWirelessGamepad = { MAKELONG(0x045E, 0x02D1), 0x0000, 0x0000, { 0x00, 0x00, 0x50, 0x49, 0x44, 0x56, 0x49, 0x44 } };

static GUID IID_XOneSWirelessGamepad = { MAKELONG(0x045E, 0x02EA), 0x0000, 0x0000, { 0x00, 0x00, 0x50, 0x49, 0x44, 0x56, 0x49, 0x44 } };

static GUID IID_XOneSBluetoothGamepad = { MAKELONG(0x045E, 0x02E0), 0x0000, 0x0000, { 0x00, 0x00, 0x50, 0x49, 0x44, 0x56, 0x49, 0x44 } };

static GUID IID_XOneEliteWirelessGamepad = { MAKELONG(0x045E, 0x02E3), 0x0000, 0x0000, { 0x00, 0x00, 0x50, 0x49, 0x44, 0x56, 0x49, 0x44 } };

static const GUID *s_XInputProductGUID[] = {

&IID_ValveStreamingGamepad,

&IID_X360WiredGamepad, /* Microsoft's wired X360 controller for Windows. */

&IID_X360WirelessGamepad, /* Microsoft's wireless X360 controller for Windows. */

&IID_XOneWiredGamepad, /* Microsoft's wired Xbox One controller for Windows. */

&IID_XOneWirelessGamepad, /* Microsoft's wireless Xbox One controller for Windows. */

&IID_XOneNewWirelessGamepad, /* Microsoft's updated wireless Xbox One controller (w/ 3.5 mm jack) for Windows. */

&IID_XOneSWirelessGamepad, /* Microsoft's wireless Xbox One S controller for Windows. */

&IID_XOneSBluetoothGamepad, /* Microsoft's Bluetooth Xbox One S controller for Windows. */

&IID_XOneEliteWirelessGamepad /* Microsoft's wireless Xbox One Elite controller for Windows. */

};

size_t iDevice;

UINT i;

if (!SDL_XINPUT_Enabled()) {

return SDL_FALSE;

}

/* Check for well known XInput device GUIDs */

/* This lets us skip RAWINPUT for popular devices. Also, we need to do this for the Valve Streaming Gamepad because it's virtualized and doesn't show up in the device list. */

for (iDevice = 0; iDevice < SDL_arraysize(s_XInputProductGUID); ++iDevice) {

if (SDL_memcmp(pGuidProductFromDirectInput, s_XInputProductGUID[iDevice], sizeof(GUID)) == 0) {

return SDL_TRUE;

}

}

/* Go through RAWINPUT (WinXP and later) to find HID devices. */

/* Cache this if we end up using it. */

if (SDL_RawDevList == NULL) {

if ((GetRawInputDeviceList(NULL, &SDL_RawDevListCount, sizeof(RAWINPUTDEVICELIST)) == -1) || (!SDL_RawDevListCount)) {

return SDL_FALSE; /* oh well. */

}

SDL_RawDevList = (PRAWINPUTDEVICELIST)SDL_malloc(sizeof(RAWINPUTDEVICELIST) * SDL_RawDevListCount);

if (SDL_RawDevList == NULL) {

SDL_OutOfMemory();

return SDL_FALSE;

}

if (GetRawInputDeviceList(SDL_RawDevList, &SDL_RawDevListCount, sizeof(RAWINPUTDEVICELIST)) == -1) {

SDL_free(SDL_RawDevList);

SDL_RawDevList = NULL;

return SDL_FALSE; /* oh well. */

}

}

for (i = 0; i < SDL_RawDevListCount; i++) {

RID_DEVICE_INFO rdi;

char devName[128];

UINT rdiSize = sizeof(rdi);

UINT nameSize = SDL_arraysize(devName);

rdi.cbSize = sizeof(rdi);

if ((SDL_RawDevList[i].dwType == RIM_TYPEHID) &&

(GetRawInputDeviceInfoA(SDL_RawDevList[i].hDevice, RIDI_DEVICEINFO, &rdi, &rdiSize) != ((UINT)-1)) &&

(MAKELONG(rdi.hid.dwVendorId, rdi.hid.dwProductId) == ((LONG)pGuidProductFromDirectInput->Data1)) &&

(GetRawInputDeviceInfoA(SDL_RawDevList[i].hDevice, RIDI_DEVICENAME, devName, &nameSize) != ((UINT)-1)) &&

(SDL_strstr(devName, "IG_") != NULL)) {

return SDL_TRUE;

}

}

return SDL_FALSE;

}

void FreeRumbleEffectData(DIEFFECT *effect)

{

if (!effect) {

return;

}

SDL_free(effect->rgdwAxes);

SDL_free(effect->rglDirection);

SDL_free(effect->lpvTypeSpecificParams);

SDL_free(effect);

}

DIEFFECT *CreateRumbleEffectData(Sint16 magnitude, Uint32 duration_ms)

{

DIEFFECT *effect;

DIPERIODIC *periodic;

/* Create the effect */

effect = (DIEFFECT *)SDL_calloc(1, sizeof(*effect));

if (!effect) {

return NULL;

}

effect->dwSize = sizeof(*effect);

effect->dwGain = 10000;

effect->dwFlags = DIEFF_OBJECTOFFSETS;

effect->dwDuration = duration_ms * 1000; /* In microseconds. */

effect->dwTriggerButton = DIEB_NOTRIGGER;

effect->cAxes = 2;

effect->rgdwAxes = (DWORD *)SDL_calloc(effect->cAxes, sizeof(DWORD));

if (!effect->rgdwAxes) {

FreeRumbleEffectData(effect);

return NULL;

}

effect->rglDirection = (LONG *)SDL_calloc(effect->cAxes, sizeof(LONG));

if (!effect->rglDirection) {

FreeRumbleEffectData(effect);

return NULL;

}

effect->dwFlags |= DIEFF_CARTESIAN;

periodic = (DIPERIODIC *)SDL_calloc(1, sizeof(*periodic));

if (!periodic) {

FreeRumbleEffectData(effect);

return NULL;

}

periodic->dwMagnitude = CONVERT_MAGNITUDE(magnitude);

periodic->dwPeriod = 1000000;

effect->cbTypeSpecificParams = sizeof(*periodic);

effect->lpvTypeSpecificParams = periodic;

return effect;

}

int

SDL_DINPUT_JoystickInit(void)

{

HRESULT result;

HINSTANCE instance;

result = WIN_CoInitialize();

if (FAILED(result)) {

return SetDIerror("CoInitialize", result);

}

coinitialized = SDL_TRUE;

result = CoCreateInstance(&CLSID_DirectInput8, NULL, CLSCTX_INPROC_SERVER,

&IID_IDirectInput8, (LPVOID)&dinput);

if (FAILED(result)) {

return SetDIerror("CoCreateInstance", result);

}

/* Because we used CoCreateInstance, we need to Initialize it, first. */

instance = GetModuleHandle(NULL);

if (instance == NULL) {

return SDL_SetError("GetModuleHandle() failed with error code %lu.", GetLastError());

}

result = IDirectInput8_Initialize(dinput, instance, DIRECTINPUT_VERSION);

if (FAILED(result)) {

return SetDIerror("IDirectInput::Initialize", result);

}

return 0;

}

/* helper function for direct input, gets called for each connected joystick */

static BOOL CALLBACK

EnumJoysticksCallback(const DIDEVICEINSTANCE * pdidInstance, VOID * pContext)

{

JoyStick_DeviceData *pNewJoystick;

JoyStick_DeviceData *pPrevJoystick = NULL;

const DWORD devtype = (pdidInstance->dwDevType & 0xFF);

Uint16 vendor = 0;

Uint16 product = 0;

Uint16 version = 0;

if (devtype == DI8DEVTYPE_SUPPLEMENTAL) {

#define MAKE_TABLE_ENTRY(VID, PID) ((((DWORD)PID)<<16)|VID)

static DWORD ignored_devices[] = {

MAKE_TABLE_ENTRY(0, 0)

};

for (i = 0; i < SDL_arraysize(ignored_devices); ++i) {

if (pdidInstance->guidProduct.Data1 == ignored_devices[i]) {

return DIENUM_CONTINUE;

}

}

}

if (SDL_IsXInputDevice(&pdidInstance->guidProduct)) {

return DIENUM_CONTINUE; /* ignore XInput devices here, keep going. */

}

{

HRESULT result;

LPDIRECTINPUTDEVICE8 device;

LPDIRECTINPUTDEVICE8 InputDevice;

DIPROPGUIDANDPATH dipdw2;

result = IDirectInput8_CreateDevice(dinput, &(pdidInstance->guidInstance), &device, NULL);

if (FAILED(result)) {

return DIENUM_CONTINUE; /* better luck next time? */

}

/* Now get the IDirectInputDevice8 interface, instead. */

result = IDirectInputDevice8_QueryInterface(device, &IID_IDirectInputDevice8, (LPVOID *)&InputDevice);

/* We are done with this object. Use the stored one from now on. */

IDirectInputDevice8_Release(device);

if (FAILED(result)) {

return DIENUM_CONTINUE; /* better luck next time? */

}

dipdw2.diph.dwSize = sizeof(dipdw2);

dipdw2.diph.dwHeaderSize = sizeof(dipdw2.diph);

dipdw2.diph.dwObj = 0; // device property

dipdw2.diph.dwHow = DIPH_DEVICE;

result = IDirectInputDevice8_GetProperty(InputDevice, DIPROP_GUIDANDPATH, &dipdw2.diph);

IDirectInputDevice8_Release(InputDevice);

if (FAILED(result)) {

return DIENUM_CONTINUE; /* better luck next time? */

}

/* Get device path, compare that instead of GUID, additionally update GUIDs of joysticks with matching paths, in case they're not open yet. */

SDL_wcslcpy(hidPath, dipdw2.wszPath, SDL_arraysize(hidPath));

}

pNewJoystick = *(JoyStick_DeviceData **)pContext;

while (pNewJoystick) {

/* if we are replacing the front of the list then update it */

if (pNewJoystick == *(JoyStick_DeviceData **)pContext) {

*(JoyStick_DeviceData **)pContext = pNewJoystick->pNext;

} else if (pPrevJoystick) {

pPrevJoystick->pNext = pNewJoystick->pNext;

}

// Update with new guid/etc, if it has changed

pNewJoystick->dxdevice = *pdidInstance;

pNewJoystick->pNext = SYS_Joystick;

SYS_Joystick = pNewJoystick;

return DIENUM_CONTINUE; /* already have this joystick loaded, just keep going */

}

pPrevJoystick = pNewJoystick;

pNewJoystick = pNewJoystick->pNext;

}

pNewJoystick = (JoyStick_DeviceData *)SDL_malloc(sizeof(JoyStick_DeviceData));

if (!pNewJoystick) {

return DIENUM_CONTINUE; /* better luck next time? */

}

SDL_zerop(pNewJoystick);

pNewJoystick->joystickname = WIN_StringToUTF8(pdidInstance->tszProductName);

if (!pNewJoystick->joystickname) {

SDL_free(pNewJoystick);

return DIENUM_CONTINUE; /* better luck next time? */

}

SDL_memset(pNewJoystick->guid.data, 0, sizeof(pNewJoystick->guid.data));

guid16 = (Uint16 *)pNewJoystick->guid.data;

vendor = (Uint16)LOWORD(pdidInstance->guidProduct.Data1);

product = (Uint16)HIWORD(pdidInstance->guidProduct.Data1);

version = 0;

*guid16++ = SDL_SwapLE16(SDL_HARDWARE_BUS_USB);

*guid16++ = 0;

} else {

*guid16++ = 0;

SDL_strlcpy((char*)guid16, pNewJoystick->joystickname, sizeof(pNewJoystick->guid.data) - 4);

}

if (SDL_strstr(pNewJoystick->joystickname, " XINPUT ") != NULL) {

/* This is a duplicate interface for a controller that will show up with XInput,

e.g. Xbox One Elite Series 2 in Bluetooth mode.

*/

SDL_free(pNewJoystick->joystickname);

SDL_free(pNewJoystick);

return DIENUM_CONTINUE;

}

SDL_free(pNewJoystick);

return DIENUM_CONTINUE;

}

#ifdef SDL_JOYSTICK_HIDAPI

SDL_free(pNewJoystick);

return DIENUM_CONTINUE;

}

return DIENUM_CONTINUE; /* get next device, please */

}

void

SDL_DINPUT_JoystickDetect(JoyStick_DeviceData **pContext)

{

IDirectInput8_EnumDevices(dinput, DI8DEVCLASS_GAMECTRL, EnumJoysticksCallback, pContext, DIEDFL_ATTACHEDONLY);

if (SDL_RawDevList) {

SDL_free(SDL_RawDevList); /* in case we used this in DirectInput detection */

SDL_RawDevList = NULL;

}

SDL_RawDevListCount = 0;

}

static BOOL CALLBACK

EnumDevObjectsCallback(LPCDIDEVICEOBJECTINSTANCE dev, LPVOID pvRef)

{

SDL_Joystick *joystick = (SDL_Joystick *)pvRef;

HRESULT result;

input_t *in = &joystick->hwdata->Inputs[joystick->hwdata->NumInputs];

if (dev->dwType & DIDFT_BUTTON) {

in->type = BUTTON;

in->num = joystick->nbuttons;

in->ofs = DIJOFS_BUTTON(in->num);

joystick->nbuttons++;

} else if (dev->dwType & DIDFT_POV) {

in->type = HAT;

in->num = joystick->nhats;

in->ofs = DIJOFS_POV(in->num);

joystick->nhats++;

} else if (dev->dwType & DIDFT_AXIS) {

DIPROPRANGE diprg;

DIPROPDWORD dilong;

in->type = AXIS;

in->num = joystick->naxes;

if (!SDL_memcmp(&dev->guidType, &GUID_XAxis, sizeof(dev->guidType)))

in->ofs = DIJOFS_X;

else if (!SDL_memcmp(&dev->guidType, &GUID_YAxis, sizeof(dev->guidType)))

in->ofs = DIJOFS_Y;

else if (!SDL_memcmp(&dev->guidType, &GUID_ZAxis, sizeof(dev->guidType)))

in->ofs = DIJOFS_Z;

else if (!SDL_memcmp(&dev->guidType, &GUID_RxAxis, sizeof(dev->guidType)))

in->ofs = DIJOFS_RX;

else if (!SDL_memcmp(&dev->guidType, &GUID_RyAxis, sizeof(dev->guidType)))

in->ofs = DIJOFS_RY;

else if (!SDL_memcmp(&dev->guidType, &GUID_RzAxis, sizeof(dev->guidType)))

in->ofs = DIJOFS_RZ;

else if (!SDL_memcmp(&dev->guidType, &GUID_Slider, sizeof(dev->guidType))) {

in->ofs = DIJOFS_SLIDER(joystick->hwdata->NumSliders);

++joystick->hwdata->NumSliders;

} else {

return DIENUM_CONTINUE; /* not an axis we can grok */

}

diprg.diph.dwSize = sizeof(diprg);

diprg.diph.dwHeaderSize = sizeof(diprg.diph);

diprg.diph.dwObj = dev->dwType;

diprg.diph.dwHow = DIPH_BYID;

diprg.lMin = SDL_JOYSTICK_AXIS_MIN;

diprg.lMax = SDL_JOYSTICK_AXIS_MAX;

result =

IDirectInputDevice8_SetProperty(joystick->hwdata->InputDevice,

DIPROP_RANGE, &diprg.diph);

if (FAILED(result)) {

return DIENUM_CONTINUE; /* don't use this axis */

}

/* Set dead zone to 0. */

dilong.diph.dwSize = sizeof(dilong);

dilong.diph.dwHeaderSize = sizeof(dilong.diph);

dilong.diph.dwObj = dev->dwType;

dilong.diph.dwHow = DIPH_BYID;

dilong.dwData = 0;

result =

IDirectInputDevice8_SetProperty(joystick->hwdata->InputDevice,

DIPROP_DEADZONE, &dilong.diph);

if (FAILED(result)) {

return DIENUM_CONTINUE; /* don't use this axis */

}

joystick->naxes++;

} else {

/* not supported at this time */

return DIENUM_CONTINUE;

}

joystick->hwdata->NumInputs++;

if (joystick->hwdata->NumInputs == MAX_INPUTS) {

return DIENUM_STOP; /* too many */

}

return DIENUM_CONTINUE;

}

/* Sort using the data offset into the DInput struct.

* This gives a reasonable ordering for the inputs.

*/

static int

SortDevFunc(const void *a, const void *b)

{

const input_t *inputA = (const input_t*)a;

const input_t *inputB = (const input_t*)b;

if (inputA->ofs < inputB->ofs)

return -1;

if (inputA->ofs > inputB->ofs)

return 1;

return 0;

}

/* Sort the input objects and recalculate the indices for each input. */

static void

SortDevObjects(SDL_Joystick *joystick)

{

input_t *inputs = joystick->hwdata->Inputs;

int nButtons = 0;

int nHats = 0;

int nAxis = 0;

int n;

SDL_qsort(inputs, joystick->hwdata->NumInputs, sizeof(input_t), SortDevFunc);

for (n = 0; n < joystick->hwdata->NumInputs; n++) {

switch (inputs[n].type) {

case BUTTON:

inputs[n].num = nButtons;

nButtons++;

break;

case HAT:

inputs[n].num = nHats;

nHats++;

break;

case AXIS:

inputs[n].num = nAxis;

nAxis++;

break;

}

}

}

int

SDL_DINPUT_JoystickOpen(SDL_Joystick * joystick, JoyStick_DeviceData *joystickdevice)

{

HRESULT result;

LPDIRECTINPUTDEVICE8 device;

DIPROPDWORD dipdw;

joystick->hwdata->buffered = SDL_TRUE;

joystick->hwdata->Capabilities.dwSize = sizeof(DIDEVCAPS);

SDL_zero(dipdw);

dipdw.diph.dwSize = sizeof(DIPROPDWORD);

dipdw.diph.dwHeaderSize = sizeof(DIPROPHEADER);

result =

IDirectInput8_CreateDevice(dinput,

&(joystickdevice->dxdevice.guidInstance), &device, NULL);

if (FAILED(result)) {

return SetDIerror("IDirectInput::CreateDevice", result);

}

/* Now get the IDirectInputDevice8 interface, instead. */

result = IDirectInputDevice8_QueryInterface(device,

&IID_IDirectInputDevice8,

(LPVOID *)& joystick->

hwdata->InputDevice);

/* We are done with this object. Use the stored one from now on. */

IDirectInputDevice8_Release(device);

if (FAILED(result)) {

return SetDIerror("IDirectInputDevice8::QueryInterface", result);

}

/* Acquire shared access. Exclusive access is required for forces,

* though. */

result =

IDirectInputDevice8_SetCooperativeLevel(joystick->hwdata->

InputDevice, SDL_HelperWindow,

DISCL_EXCLUSIVE |

DISCL_BACKGROUND);

if (FAILED(result)) {

return SetDIerror("IDirectInputDevice8::SetCooperativeLevel", result);

}

/* Use the extended data structure: DIJOYSTATE2. */

result =

IDirectInputDevice8_SetDataFormat(joystick->hwdata->InputDevice,

if (FAILED(result)) {

return SetDIerror("IDirectInputDevice8::SetDataFormat", result);

}

/* Get device capabilities */

result =

IDirectInputDevice8_GetCapabilities(joystick->hwdata->InputDevice,

&joystick->hwdata->Capabilities);

if (FAILED(result)) {

return SetDIerror("IDirectInputDevice8::GetCapabilities", result);

}

/* Force capable? */

if (joystick->hwdata->Capabilities.dwFlags & DIDC_FORCEFEEDBACK) {

result = IDirectInputDevice8_Acquire(joystick->hwdata->InputDevice);

if (FAILED(result)) {

return SetDIerror("IDirectInputDevice8::Acquire", result);

}

/* reset all actuators. */

result =

IDirectInputDevice8_SendForceFeedbackCommand(joystick->hwdata->

InputDevice,

DISFFC_RESET);

/* Not necessarily supported, ignore if not supported.

if (FAILED(result)) {

return SetDIerror("IDirectInputDevice8::SendForceFeedbackCommand", result);

}

*/

result = IDirectInputDevice8_Unacquire(joystick->hwdata->InputDevice);

if (FAILED(result)) {

return SetDIerror("IDirectInputDevice8::Unacquire", result);

}

/* Turn on auto-centering for a ForceFeedback device (until told

* otherwise). */

dipdw.diph.dwObj = 0;

dipdw.diph.dwHow = DIPH_DEVICE;

dipdw.dwData = DIPROPAUTOCENTER_ON;

result =

IDirectInputDevice8_SetProperty(joystick->hwdata->InputDevice,

DIPROP_AUTOCENTER, &dipdw.diph);

/* Not necessarily supported, ignore if not supported.

if (FAILED(result)) {

return SetDIerror("IDirectInputDevice8::SetProperty", result);

}

*/

}

/* What buttons and axes does it have? */

IDirectInputDevice8_EnumObjects(joystick->hwdata->InputDevice,

EnumDevObjectsCallback, joystick,

DIDFT_BUTTON | DIDFT_AXIS | DIDFT_POV);

/* Reorder the input objects. Some devices do not report the X axis as

* the first axis, for example. */

SortDevObjects(joystick);

dipdw.diph.dwObj = 0;

dipdw.diph.dwHow = DIPH_DEVICE;

dipdw.dwData = INPUT_QSIZE;

/* Set the buffer size */

result =

IDirectInputDevice8_SetProperty(joystick->hwdata->InputDevice,

DIPROP_BUFFERSIZE, &dipdw.diph);

if (result == DI_POLLEDDEVICE) {

/* This device doesn't support buffering, so we're forced

* to use less reliable polling. */

joystick->hwdata->buffered = SDL_FALSE;

} else if (FAILED(result)) {

return SetDIerror("IDirectInputDevice8::SetProperty", result);

}

return 0;

}

static int

SDL_DINPUT_JoystickInitRumble(SDL_Joystick * joystick, Sint16 magnitude, Uint32 duration_ms)

{

HRESULT result;

/* Reset and then enable actuators */

result = IDirectInputDevice8_SendForceFeedbackCommand(joystick->hwdata->InputDevice, DISFFC_RESET);

if (result == DIERR_INPUTLOST || result == DIERR_NOTEXCLUSIVEACQUIRED) {

result = IDirectInputDevice8_Acquire(joystick->hwdata->InputDevice);

if (SUCCEEDED(result)) {

result = IDirectInputDevice8_SendForceFeedbackCommand(joystick->hwdata->InputDevice, DISFFC_RESET);

}

}

if (FAILED(result)) {

return SetDIerror("IDirectInputDevice8::SendForceFeedbackCommand(DISFFC_RESET)", result);

}

result = IDirectInputDevice8_SendForceFeedbackCommand(joystick->hwdata->InputDevice, DISFFC_SETACTUATORSON);

if (FAILED(result)) {

return SetDIerror("IDirectInputDevice8::SendForceFeedbackCommand(DISFFC_SETACTUATORSON)", result);

}

/* Create the effect */

joystick->hwdata->ffeffect = CreateRumbleEffectData(magnitude, duration_ms);

if (!joystick->hwdata->ffeffect) {

return SDL_OutOfMemory();

}

result = IDirectInputDevice8_CreateEffect(joystick->hwdata->InputDevice, &GUID_Sine,

joystick->hwdata->ffeffect, &joystick->hwdata->ffeffect_ref, NULL);

if (FAILED(result)) {

return SetDIerror("IDirectInputDevice8::CreateEffect", result);

}

return 0;

}

int

SDL_DINPUT_JoystickRumble(SDL_Joystick * joystick, Uint16 low_frequency_rumble, Uint16 high_frequency_rumble, Uint32 duration_ms)

{

HRESULT result;

/* Scale and average the two rumble strengths */

Sint16 magnitude = (Sint16)(((low_frequency_rumble / 2) + (high_frequency_rumble / 2)) / 2);

if (!(joystick->hwdata->Capabilities.dwFlags & DIDC_FORCEFEEDBACK)) {

return SDL_Unsupported();

}

if (joystick->hwdata->ff_initialized) {

DIPERIODIC *periodic = ((DIPERIODIC *)joystick->hwdata->ffeffect->lpvTypeSpecificParams);

joystick->hwdata->ffeffect->dwDuration = duration_ms * 1000; /* In microseconds. */

periodic->dwMagnitude = CONVERT_MAGNITUDE(magnitude);

result = IDirectInputEffect_SetParameters(joystick->hwdata->ffeffect_ref, joystick->hwdata->ffeffect, (DIEP_DURATION | DIEP_TYPESPECIFICPARAMS));

if (result == DIERR_INPUTLOST) {

result = IDirectInputDevice8_Acquire(joystick->hwdata->InputDevice);

if (SUCCEEDED(result)) {

result = IDirectInputEffect_SetParameters(joystick->hwdata->ffeffect_ref, joystick->hwdata->ffeffect, (DIEP_DURATION | DIEP_TYPESPECIFICPARAMS));

}

}

if (FAILED(result)) {

return SetDIerror("IDirectInputDevice8::SetParameters", result);

}

} else {

if (SDL_DINPUT_JoystickInitRumble(joystick, magnitude, duration_ms) < 0) {

return -1;

}

joystick->hwdata->ff_initialized = SDL_TRUE;

}

result = IDirectInputEffect_Start(joystick->hwdata->ffeffect_ref, 1, 0);

if (result == DIERR_INPUTLOST || result == DIERR_NOTEXCLUSIVEACQUIRED) {

result = IDirectInputDevice8_Acquire(joystick->hwdata->InputDevice);

if (SUCCEEDED(result)) {

result = IDirectInputEffect_Start(joystick->hwdata->ffeffect_ref, 1, 0);

}

}

if (FAILED(result)) {

return SetDIerror("IDirectInputDevice8::Start", result);

}

return 0;

}

static Uint8

TranslatePOV(DWORD value)

{

const int HAT_VALS[] = {

SDL_HAT_UP,

SDL_HAT_UP | SDL_HAT_RIGHT,

SDL_HAT_RIGHT,

SDL_HAT_DOWN | SDL_HAT_RIGHT,

SDL_HAT_DOWN,

SDL_HAT_DOWN | SDL_HAT_LEFT,

SDL_HAT_LEFT,

SDL_HAT_UP | SDL_HAT_LEFT

};

if (LOWORD(value) == 0xFFFF)

return SDL_HAT_CENTERED;

/* Round the value up: */

value += 4500 / 2;

value %= 36000;

value /= 4500;

if (value >= 8)

return SDL_HAT_CENTERED; /* shouldn't happen */

return HAT_VALS[value];

}

static void

UpdateDINPUTJoystickState_Buffered(SDL_Joystick * joystick)

{

int i;

HRESULT result;

DWORD numevents;

DIDEVICEOBJECTDATA evtbuf[INPUT_QSIZE];

numevents = INPUT_QSIZE;

result =

IDirectInputDevice8_GetDeviceData(joystick->hwdata->InputDevice,

sizeof(DIDEVICEOBJECTDATA), evtbuf,

&numevents, 0);

if (result == DIERR_INPUTLOST || result == DIERR_NOTACQUIRED) {

IDirectInputDevice8_Acquire(joystick->hwdata->InputDevice);

result =

IDirectInputDevice8_GetDeviceData(joystick->hwdata->InputDevice,

sizeof(DIDEVICEOBJECTDATA),

evtbuf, &numevents, 0);

}

/* Handle the events or punt */

if (FAILED(result)) {

return;

}

for (i = 0; i < (int)numevents; ++i) {

int j;

for (j = 0; j < joystick->hwdata->NumInputs; ++j) {

const input_t *in = &joystick->hwdata->Inputs[j];

if (evtbuf[i].dwOfs != in->ofs)

continue;

switch (in->type) {

case AXIS:

SDL_PrivateJoystickAxis(joystick, in->num, (Sint16)evtbuf[i].dwData);

break;

case BUTTON:

SDL_PrivateJoystickButton(joystick, in->num,

(Uint8)(evtbuf[i].dwData ? SDL_PRESSED : SDL_RELEASED));

break;

case HAT:

{

Uint8 pos = TranslatePOV(evtbuf[i].dwData);

SDL_PrivateJoystickHat(joystick, in->num, pos);

}

break;

}

}

}

}

/* Function to update the state of a joystick - called as a device poll.

* This function shouldn't update the joystick structure directly,