SDL_dinputjoystick.c
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/*
Simple DirectMedia Layer
Copyright (C) 1997-2016 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_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 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 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 },
};
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 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 const GUID *s_XInputProductGUID[] = {
&IID_ValveStreamingGamepad,
&IID_X360WiredGamepad, /* Microsoft's wired X360 controller for Windows. */
&IID_X360WirelessGamepad /* Microsoft's wireless X360 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;
}
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);
if (devtype == DI8DEVTYPE_SUPPLEMENTAL) {
return DIENUM_CONTINUE; /* Ignore touchpads, etc. */
}
if (SDL_IsXInputDevice(&pdidInstance->guidProduct)) {
return DIENUM_CONTINUE; /* ignore XInput devices here, keep going. */
}
pNewJoystick = *(JoyStick_DeviceData **)pContext;
while (pNewJoystick) {
if (!SDL_memcmp(&pNewJoystick->dxdevice.guidInstance, &pdidInstance->guidInstance, sizeof(pNewJoystick->dxdevice.guidInstance))) {
/* 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;
}
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_memcpy(&(pNewJoystick->dxdevice), pdidInstance,
sizeof(DIDEVICEINSTANCE));
SDL_memcpy(&pNewJoystick->guid, &pdidInstance->guidProduct, sizeof(pNewJoystick->guid));
SDL_SYS_AddJoystickDevice(pNewJoystick);
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 = AXIS_MIN;
diprg.lMax = 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,
&c_dfDIJoystick2);
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 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)) {
joystick->hwdata->send_remove_event = SDL_TRUE;
joystick->hwdata->removed = SDL_TRUE;
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,
* but instead should call SDL_PrivateJoystick*() to deliver events
* and update joystick device state.
*/
static void
UpdateDINPUTJoystickState_Polled(SDL_Joystick * joystick)
{
DIJOYSTATE2 state;
HRESULT result;
int i;
result =
IDirectInputDevice8_GetDeviceState(joystick->hwdata->InputDevice,
sizeof(DIJOYSTATE2), &state);
if (result == DIERR_INPUTLOST || result == DIERR_NOTACQUIRED) {
IDirectInputDevice8_Acquire(joystick->hwdata->InputDevice);
result =
IDirectInputDevice8_GetDeviceState(joystick->hwdata->InputDevice,
sizeof(DIJOYSTATE2), &state);
}
if (result != DI_OK) {
joystick->hwdata->send_remove_event = SDL_TRUE;
joystick->hwdata->removed = SDL_TRUE;
return;
}
/* Set each known axis, button and POV. */
for (i = 0; i < joystick->hwdata->NumInputs; ++i) {
const input_t *in = &joystick->hwdata->Inputs[i];
switch (in->type) {
case AXIS:
switch (in->ofs) {
case DIJOFS_X:
SDL_PrivateJoystickAxis(joystick, in->num, (Sint16)state.lX);
break;
case DIJOFS_Y:
SDL_PrivateJoystickAxis(joystick, in->num, (Sint16)state.lY);
break;
case DIJOFS_Z:
SDL_PrivateJoystickAxis(joystick, in->num, (Sint16)state.lZ);
break;
case DIJOFS_RX:
SDL_PrivateJoystickAxis(joystick, in->num, (Sint16)state.lRx);
break;
case DIJOFS_RY:
SDL_PrivateJoystickAxis(joystick, in->num, (Sint16)state.lRy);
break;
case DIJOFS_RZ:
SDL_PrivateJoystickAxis(joystick, in->num, (Sint16)state.lRz);
break;
case DIJOFS_SLIDER(0):
SDL_PrivateJoystickAxis(joystick, in->num, (Sint16)state.rglSlider[0]);
break;
case DIJOFS_SLIDER(1):
SDL_PrivateJoystickAxis(joystick, in->num, (Sint16)state.rglSlider[1]);
break;
}
break;
case BUTTON:
SDL_PrivateJoystickButton(joystick, in->num,
(Uint8)(state.rgbButtons[in->ofs - DIJOFS_BUTTON0] ? SDL_PRESSED : SDL_RELEASED));
break;
case HAT:
{
Uint8 pos = TranslatePOV(state.rgdwPOV[in->ofs - DIJOFS_POV(0)]);
SDL_PrivateJoystickHat(joystick, in->num, pos);
break;
}
}
}
}
void
SDL_DINPUT_JoystickUpdate(SDL_Joystick * joystick)
{
HRESULT result;
result = IDirectInputDevice8_Poll(joystick->hwdata->InputDevice);
if (result == DIERR_INPUTLOST || result == DIERR_NOTACQUIRED) {
IDirectInputDevice8_Acquire(joystick->hwdata->InputDevice);
IDirectInputDevice8_Poll(joystick->hwdata->InputDevice);
}
if (joystick->hwdata->buffered) {
UpdateDINPUTJoystickState_Buffered(joystick);
} else {
UpdateDINPUTJoystickState_Polled(joystick);
}
}
void
SDL_DINPUT_JoystickClose(SDL_Joystick * joystick)
{
IDirectInputDevice8_Unacquire(joystick->hwdata->InputDevice);
IDirectInputDevice8_Release(joystick->hwdata->InputDevice);
}
void
SDL_DINPUT_JoystickQuit(void)
{
if (dinput != NULL) {
IDirectInput8_Release(dinput);
dinput = NULL;
}
if (coinitialized) {
WIN_CoUninitialize();
coinitialized = SDL_FALSE;
}
}
#else /* !SDL_JOYSTICK_DINPUT */
typedef struct JoyStick_DeviceData JoyStick_DeviceData;
int
SDL_DINPUT_JoystickInit(void)
{
return 0;
}
void
SDL_DINPUT_JoystickDetect(JoyStick_DeviceData **pContext)
{
}
int
SDL_DINPUT_JoystickOpen(SDL_Joystick * joystick, JoyStick_DeviceData *joystickdevice)
{
return SDL_Unsupported();
}
void
SDL_DINPUT_JoystickUpdate(SDL_Joystick * joystick)
{
}
void
SDL_DINPUT_JoystickClose(SDL_Joystick * joystick)
{
}
void
SDL_DINPUT_JoystickQuit(void)
{
}
#endif /* SDL_JOYSTICK_DINPUT */
/* vi: set ts=4 sw=4 expandtab: */
SYS_Joystick
JoyStick_DeviceData * SYS_Joystick
JoyStick_DeviceData::guid
SDL_JoystickGUID guid
Definition: SDL_windowsjoystick_c.h:32
num
GLuint num
Definition: SDL_opengl_glext.h:4956
SDL_qsort
#define SDL_qsort
Definition: SDL_dynapi_overrides.h:386
result
GLuint64EXT * result
Definition: SDL_opengl_glext.h:9432
n
GLdouble n
Definition: SDL_opengl_glext.h:1952
SDL_PrivateJoystickHat
int SDL_PrivateJoystickHat(SDL_Joystick *joystick, Uint8 hat, Uint8 value)
Definition: SDL_joystick.c:542
DIRECTINPUT_VERSION
#define DIRECTINPUT_VERSION
Definition: SDL_directx.h:95
SDL_dinputjoystick_c.h
JoyStick_DeviceData::pNext
struct JoyStick_DeviceData * pNext
Definition: SDL_windowsjoystick_c.h:40
SDL_SYS_AddJoystickDevice
void SDL_SYS_AddJoystickDevice(JoyStick_DeviceData *device)
SDL_DINPUT_JoystickOpen
int SDL_DINPUT_JoystickOpen(SDL_Joystick *joystick, JoyStick_DeviceData *joystickdevice)
Definition: SDL_dinputjoystick.c:884
JoyStick_DeviceData
Definition: SDL_windowsjoystick_c.h:30
state
struct xkb_state * state
Definition: SDL_waylandsym.h:94
SDL_PrivateJoystickButton
int SDL_PrivateJoystickButton(SDL_Joystick *joystick, Uint8 button, Uint8 state)
Definition: SDL_joystick.c:618
JoyStick_DeviceData::joystickname
char * joystickname
Definition: SDL_windowsjoystick_c.h:33
SDL_zerop
#define SDL_zerop(x)
Definition: SDL_stdinc.h:356
SDL_PrivateJoystickAxis
int SDL_PrivateJoystickAxis(SDL_Joystick *joystick, Uint8 axis, Sint16 value)
Definition: SDL_joystick.c:501
SDL_xinputjoystick_c.h
AXIS
Definition: SDL_windowsjoystick_c.h:48
input_t::ofs
DWORD ofs
Definition: SDL_windowsjoystick_c.h:55
DIDEVICEINSTANCE
Definition: SDL_directx.h:106
SDL_bool
SDL_bool
Definition: SDL_stdinc.h:126
FAILED
#define FAILED(x)
Definition: SDL_directx.h:54
_SDL_Joystick::hwdata
struct joystick_hwdata * hwdata
Definition: SDL_sysjoystick.h:52
input_t::type
Type type
Definition: SDL_windowsjoystick_c.h:58
SDL_HAT_RIGHT
#define SDL_HAT_RIGHT
Definition: SDL_joystick.h:209
type
GLuint GLuint GLsizei GLenum type
Definition: SDL_opengl.h:1564
SDL_memcpy
#define SDL_memcpy
Definition: SDL_dynapi_overrides.h:393
SDL_DINPUT_JoystickInit
int SDL_DINPUT_JoystickInit(void)
Definition: SDL_dinputjoystick.c:873
input_t::num
Uint8 num
Definition: SDL_windowsjoystick_c.h:61
SDL_HAT_LEFT
#define SDL_HAT_LEFT
Definition: SDL_joystick.h:211
value
GLsizei const GLfloat * value
Definition: SDL_opengl_glext.h:698
WIN_CoInitialize
HRESULT WIN_CoInitialize(void)
Uint8
uint8_t Uint8
An unsigned 8-bit integer type.
Definition: SDL_stdinc.h:139
SDL_free
void SDL_free(void *mem)
SDL_memcmp
#define SDL_memcmp
Definition: SDL_dynapi_overrides.h:395
SDL_windowsjoystick_c.h
WIN_StringToUTF8
#define WIN_StringToUTF8(S)
Definition: SDL_windows.h:45
SDL_XINPUT_Enabled
SDL_bool SDL_XINPUT_Enabled(void)
Definition: SDL_xinputjoystick.c:386
SDL_zero
#define SDL_zero(x)
Definition: SDL_stdinc.h:355
SDL_TRUE
Definition: SDL_stdinc.h:129
i
return Display return Display Bool Bool int int int return Display XEvent Bool(*) XPointer return Display return Display Drawable _Xconst char unsigned int unsigned int return Display Pixmap Pixmap XColor XColor unsigned int unsigned int return Display _Xconst char char int char return Display Visual unsigned int int int char unsigned int unsigned int in i)
Definition: SDL_x11sym.h:42
NULL
#define NULL
Definition: begin_code.h:143
SDL_OutOfMemory
#define SDL_OutOfMemory()
Definition: SDL_error.h:52
WIN_CoUninitialize
void WIN_CoUninitialize(void)
SDL_SetError
#define SDL_SetError
Definition: SDL_dynapi_overrides.h:36
SDL_DINPUT_JoystickUpdate
void SDL_DINPUT_JoystickUpdate(SDL_Joystick *joystick)
Definition: SDL_dinputjoystick.c:890
SDL_DINPUT_JoystickDetect
void SDL_DINPUT_JoystickDetect(JoyStick_DeviceData **pContext)
Definition: SDL_dinputjoystick.c:879
SDL_FALSE
Definition: SDL_stdinc.h:128
SDL_arraysize
#define SDL_arraysize(array)
Definition: SDL_stdinc.h:93
SDL_malloc
#define SDL_malloc
Definition: SDL_dynapi_overrides.h:380
BUTTON
Definition: SDL_windowsjoystick_c.h:47
SDL_DINPUT_JoystickClose
void SDL_DINPUT_JoystickClose(SDL_Joystick *joystick)
Definition: SDL_dinputjoystick.c:895
SDL_PRESSED
#define SDL_PRESSED
Definition: SDL_events.h:50
JoyStick_DeviceData::dxdevice
DIDEVICEINSTANCE dxdevice
Definition: SDL_windowsjoystick_c.h:39
SDL_HAT_CENTERED
#define SDL_HAT_CENTERED
Definition: SDL_joystick.h:207
HAT
Definition: SDL_windowsjoystick_c.h:49
a
GLboolean GLboolean GLboolean GLboolean a
Definition: SDL_opengl_glext.h:1109
SDL_RELEASED
#define SDL_RELEASED
Definition: SDL_events.h:49
in
GLuint in
Definition: SDL_opengl_glext.h:7940
SDL_HAT_UP
#define SDL_HAT_UP
Definition: SDL_joystick.h:208
SDL_HAT_DOWN
#define SDL_HAT_DOWN
Definition: SDL_joystick.h:210
b
GLboolean GLboolean GLboolean b
Definition: SDL_opengl_glext.h:1109
FIELD_OFFSET
#define FIELD_OFFSET(type, field)
Definition: SDL_directx.h:87
SDL_Unsupported
#define SDL_Unsupported()
Definition: SDL_error.h:53
Sint16
int16_t Sint16
A signed 16-bit integer type.
Definition: SDL_stdinc.h:143
SDL_strstr
#define SDL_strstr
Definition: SDL_dynapi_overrides.h:409
input_t
Definition: SDL_windowsjoystick_c.h:52
MAX_INPUTS
#define MAX_INPUTS
Definition: SDL_windowsjoystick_c.h:28
SDL_DINPUT_JoystickQuit
void SDL_DINPUT_JoystickQuit(void)
Definition: SDL_dinputjoystick.c:900
j
return Display return Display Bool Bool int int int return Display XEvent Bool(*) XPointer return Display return Display Drawable _Xconst char unsigned int unsigned int return Display Pixmap Pixmap XColor XColor unsigned int unsigned int return Display _Xconst char char int char return Display Visual unsigned int int int char unsigned int unsigned int int in j)
Definition: SDL_x11sym.h:42