This repository has been archived by the owner on Feb 11, 2021. It is now read-only.
SDL_dxjoystick.c
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/*
Simple DirectMedia Layer
Copyright (C) 1997-2012 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
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* with polled devices, and it's fine to call IDirectInputDevice8_GetDeviceData and
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* let it return 0 events. */
#include "SDL_error.h"
#include "SDL_events.h"
#include "SDL_joystick.h"
#include "../SDL_sysjoystick.h"
#define INITGUID /* Only set here, if set twice will cause mingw32 to break. */
#include "SDL_dxjoystick_c.h"
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#include "SDL_thread.h"
#include "SDL_timer.h"
#include "SDL_mutex.h"
#include "SDL_events.h"
#if !SDL_EVENTS_DISABLED
#include "../../events/SDL_events_c.h"
#endif
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#ifndef DIDFT_OPTIONAL
#define DIDFT_OPTIONAL 0x80000000
#endif
#define INPUT_QSIZE 32 /* Buffer up to 32 input messages */
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#define MAX_JOYSTICKS 8
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#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 LPDIRECTINPUT dinput = NULL;
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static SDL_bool s_bDeviceAdded = SDL_FALSE;
static SDL_bool s_bDeviceRemoved = SDL_FALSE;
static int 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 HANDLE s_pXInputDLL = 0;
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extern HRESULT(WINAPI * DInputCreate) (HINSTANCE hinst, DWORD dwVersion,
LPDIRECTINPUT * ppDI,
LPUNKNOWN punkOuter);
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struct JoyStick_DeviceData_
{
JoystickGUID guid;
DIDEVICEINSTANCE dxdevice;
char *joystickname;
Uint8 send_add_event;
int nInstanceID;
Uint8 bXInputDevice;
Uint8 XInputUserId;
struct JoyStick_DeviceData_ *pNext;
};
/* Forward decl's for XInput API's we load dynamically and use if available */
typedef DWORD (WINAPI *XInputGetState_t)
(
DWORD dwUserIndex, // [in] Index of the gamer associated with the device
XINPUT_STATE_EX* pState // [out] Receives the current state
);
typedef DWORD (WINAPI *XInputSetState_t)
(
DWORD dwUserIndex, // [in] Index of the gamer associated with the device
XINPUT_VIBRATION* pVibration // [in, out] The vibration information to send to the controller
);
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typedef DWORD (WINAPI *XInputGetCapabilities_t)
(
DWORD dwUserIndex, // [in] Index of the gamer associated with the device
DWORD dwFlags, // [in] Input flags that identify the device type
XINPUT_CAPABILITIES* pCapabilities // [out] Receives the capabilities
);
XInputGetState_t PC_XInputGetState;
XInputSetState_t PC_XInputSetState;
XInputGetCapabilities_t PC_XInputGetCapabilities;
#define XINPUTGETSTATE PC_XInputGetState
#define XINPUTSETSTATE PC_XInputSetState
#define XINPUTGETCAPABILITIES PC_XInputGetCapabilities
#define INVALID_XINPUT_USERID 255
typedef struct JoyStick_DeviceData_ JoyStick_DeviceData;
static JoyStick_DeviceData *SYS_Joystick; /* array to hold joystick ID values */
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/* local prototypes */
static void 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);
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// Taken from Wine - Thanks!
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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 void
SetDIerror(const char *function, HRESULT code)
{
/*
SDL_SetError("%s() [%s]: %s", function,
DXGetErrorString9A(code), DXGetErrorDescription9A(code));
*/
SDL_SetError("%s() DirectX error %d", function, code);
}
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#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);
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;
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_" );
if( strVid )
{
dwVid = SDL_strtol( strVid + 4, NULL, 16 );
}
strPid = SDL_strstr( pDeviceString, "PID_" );
if( strPid )
{
dwPid = SDL_strtol( strPid + 4, NULL, 16 );
}
// Compare the VID/PID to the DInput device
dwVidPid = MAKELONG( dwVid, dwPid );
if( dwVidPid == pGuidProductFromDirectInput->Data1 )
{
bIsXinputDevice = SDL_TRUE;
}
}
if ( pDeviceString )
SDL_free( pDeviceString );
if ( bIsXinputDevice )
break;
}
SAFE_RELEASE( pDevices[iDevice] );
}
}
LCleanup:
for( iDevice=0; iDevice<20; iDevice++ )
SAFE_RELEASE( pDevices[iDevice] );
SAFE_RELEASE( pEnumDevices );
SAFE_RELEASE( pIWbemLocator );
SAFE_RELEASE( pIWbemServices );
if ( bstrNamespace )
SysFreeString( bstrNamespace );
if ( bstrClassName )
SysFreeString( bstrClassName );
if ( bstrDeviceID )
SysFreeString( bstrDeviceID );
if( bCleanupCOM )
CoUninitialize();
return bIsXinputDevice;
}
static SDL_bool s_bWindowsDeviceChanged = SDL_FALSE;
/* windowproc for our joystick detect thread message only window, to detect any usb device addition/removal
*/
LRESULT CALLBACK SDL_PrivateJoystickDetectProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam) {
switch (message) {
case WM_DEVICECHANGE:
switch (wParam) {
case DBT_DEVICEARRIVAL:
if (((DEV_BROADCAST_HDR*)lParam)->dbch_devicetype == DBT_DEVTYP_DEVICEINTERFACE) {
s_bWindowsDeviceChanged = SDL_TRUE;
}
break;
case DBT_DEVICEREMOVECOMPLETE:
if (((DEV_BROADCAST_HDR*)lParam)->dbch_devicetype == DBT_DEVTYP_DEVICEINTERFACE) {
s_bWindowsDeviceChanged = SDL_TRUE;
}
break;
}
return 0;
}
return DefWindowProc (hwnd, message, wParam, lParam);
}
/* helper func to create a hidden, message only window for the joystick detect thread
*/
HWND CreateHiddenJoystickDetectWindow() {
WNDCLASSEX wincl;
HWND hMessageWindow = 0;
SDL_memset( &wincl, 0x0, sizeof(wincl) );
wincl.hInstance = GetModuleHandle( NULL );
wincl.lpszClassName = L"Message";
wincl.lpfnWndProc = SDL_PrivateJoystickDetectProc; // This function is called by windows
wincl.cbSize = sizeof (WNDCLASSEX);
if (!RegisterClassEx (&wincl))
return 0;
hMessageWindow = (HWND)CreateWindowEx( 0, L"Message", NULL, 0, 0, 0, 0, 0, HWND_MESSAGE, NULL, NULL, NULL );
return hMessageWindow;
}
DEFINE_GUID(GUID_DEVINTERFACE_USB_DEVICE, 0xA5DCBF10L, 0x6530, 0x11D2, 0x90, 0x1F, 0x00, \
0xC0, 0x4F, 0xB9, 0x51, 0xED);
/* Function/thread to scan the system for joysticks.
*/
static int
SDL_JoystickThread(void *_data)
{
int nDevicesLast = 0;
HRESULT result = S_OK;
HWND messageWindow = 0;
HDEVNOTIFY hNotify = 0;
DEV_BROADCAST_DEVICEINTERFACE dbh;
result = WIN_CoInitialize();
messageWindow = CreateHiddenJoystickDetectWindow();
if ( !messageWindow )
{
SDL_SetError("Failed to create message window for joystick autodetect.",
GetLastError());
return -1;
}
SDL_memset(&dbh, 0x0, sizeof(dbh));
dbh.dbcc_size = sizeof(dbh);
dbh.dbcc_devicetype = DBT_DEVTYP_DEVICEINTERFACE;
dbh.dbcc_classguid = GUID_DEVINTERFACE_USB_DEVICE;
hNotify = RegisterDeviceNotification( messageWindow, &dbh, DEVICE_NOTIFY_WINDOW_HANDLE );
if ( !hNotify )
{
SDL_SetError("Failed to create notify device for joystick autodetect.",
GetLastError());
return -1;
}
SDL_LockMutex( s_mutexJoyStickEnum );
while ( s_bJoystickThreadQuit == SDL_FALSE )
{
MSG messages;
SDL_CondWaitTimeout( s_condJoystickThread, s_mutexJoyStickEnum, 300 );
while ( s_bJoystickThreadQuit == SDL_FALSE && PeekMessage(&messages, messageWindow, 0, 0, PM_NOREMOVE) )
{
if ( GetMessage(&messages, messageWindow, 0, 0) != 0 ) {
TranslateMessage(&messages);
DispatchMessage(&messages);
}
}
if ( s_pKnownJoystickGUIDs && s_bWindowsDeviceChanged )
{
int nDevices = 0;
SDL_Delay( 300 ); // wait for direct input to find out about this device
s_bDeviceRemoved = SDL_TRUE;
s_bDeviceAdded = SDL_TRUE;
s_bWindowsDeviceChanged = SDL_FALSE;
}
}
SDL_UnlockMutex( s_mutexJoyStickEnum );
if ( hNotify )
UnregisterDeviceNotification( hNotify );
if ( messageWindow )
DestroyWindow( messageWindow );
messageWindow = 0;
WIN_CoUninitialize();
return 1;
}
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/* Function to scan the system for joysticks.
* This function should set SDL_numjoysticks to the number of available
* joysticks. Joystick 0 should be the system default joystick.
* It should return 0, or -1 on an unrecoverable fatal error.
*/
int
SDL_SYS_JoystickInit(void)
{
HRESULT result;
HINSTANCE instance;
result = WIN_CoInitialize();
if (FAILED(result)) {
SetDIerror("CoInitialize", result);
return (-1);
}
coinitialized = SDL_TRUE;
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result = CoCreateInstance(&CLSID_DirectInput8, NULL, CLSCTX_INPROC_SERVER,
&IID_IDirectInput8, (LPVOID)&dinput);
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if (FAILED(result)) {
SDL_SYS_JoystickQuit();
SetDIerror("CoCreateInstance", result);
return (-1);
}
/* Because we used CoCreateInstance, we need to Initialize it, first. */
instance = GetModuleHandle(NULL);
if (instance == NULL) {
SDL_SYS_JoystickQuit();
SDL_SetError("GetModuleHandle() failed with error code %d.",
GetLastError());
return (-1);
}
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result = IDirectInput8_Initialize(dinput, instance, DIRECTINPUT_VERSION);
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if (FAILED(result)) {
SDL_SYS_JoystickQuit();
SetDIerror("IDirectInput::Initialize", result);
return (-1);
}
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s_mutexJoyStickEnum = SDL_CreateMutex();
s_condJoystickThread = SDL_CreateCond();
s_bDeviceAdded = SDL_TRUE; // force a scan of the system for joysticks this first time
SDL_SYS_JoystickDetect();
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// try to load XInput support if available
s_pXInputDLL = LoadLibrary( L"XInput1_3.dll" );
if ( !s_pXInputDLL )
s_pXInputDLL = LoadLibrary( L"bin\\XInput1_3.dll" );
if ( s_pXInputDLL )
{
// 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...
PC_XInputGetState = (XInputGetState_t)GetProcAddress( (HMODULE)s_pXInputDLL, (LPCSTR)100 );
PC_XInputSetState = (XInputSetState_t)GetProcAddress( (HMODULE)s_pXInputDLL, "XInputSetState" );
PC_XInputGetCapabilities = (XInputGetCapabilities_t)GetProcAddress( (HMODULE)s_pXInputDLL, "XInputGetCapabilities" );
if ( !PC_XInputGetState || !PC_XInputSetState || !PC_XInputGetCapabilities )
{
SDL_SYS_JoystickQuit();
SDL_SetError("GetProcAddress() failed when loading XInput.", GetLastError());
return (-1);
}
}
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if ( !s_threadJoystick )
{
s_bJoystickThreadQuit = SDL_FALSE;
/* spin up the thread to detect hotplug of devices */
#if defined(__WIN32__) && !defined(HAVE_LIBC)
#undef SDL_CreateThread
s_threadJoystick= SDL_CreateThread( SDL_JoystickThread, "SDL_joystick", NULL, NULL, NULL );
#else
s_threadJoystick = SDL_CreateThread( SDL_JoystickThread, "SDL_joystick", NULL );
#endif
}
return SDL_SYS_NumJoysticks();
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}
/* Function to get the device-dependent name of a joystick */
const char *
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SDL_SYS_JoystickNameForIndex(int index)
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JoyStick_DeviceData *device = SYS_Joystick;
for (; index > 0; index--)
device = device->pNext;
return device->joystickname;
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}
/* Function to open a joystick for use.
The joystick to open is specified by the index field of the joystick.
This should fill the nbuttons and naxes fields of the joystick structure.
It returns 0, or -1 if there is an error.
*/
int
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SDL_SYS_JoystickOpen(SDL_Joystick * joystick, int device_index)
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{
HRESULT result;
LPDIRECTINPUTDEVICE device;
DIPROPDWORD dipdw;
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JoyStick_DeviceData *joystickdevice = SYS_Joystick;
for (; device_index > 0; device_index--)
joystickdevice = joystickdevice->pNext;
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SDL_memset(&dipdw, 0, sizeof(DIPROPDWORD));
dipdw.diph.dwSize = sizeof(DIPROPDWORD);
dipdw.diph.dwHeaderSize = sizeof(DIPROPHEADER);
/* allocate memory for system specific hardware data */
joystick->hwdata =
(struct joystick_hwdata *) SDL_malloc(sizeof(struct joystick_hwdata));
if (joystick->hwdata == NULL) {
SDL_OutOfMemory();
return (-1);
}
SDL_memset(joystick->hwdata, 0, sizeof(struct joystick_hwdata));
joystick->hwdata->buffered = 1;
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joystick->hwdata->removed = 0;
joystick->instance_id = joystickdevice->nInstanceID;
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joystick->hwdata->Capabilities.dwSize = sizeof(DIDEVCAPS);
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joystick->hwdata->guid = joystickdevice->guid;
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if ( joystickdevice->bXInputDevice )
{
XINPUT_CAPABILITIES capabilities;
Uint8 userId = 0;
DWORD result;
JoyStick_DeviceData *joysticklist = SYS_Joystick;
// scan the opened joysticks and pick the next free xinput userid for this one
for( ; joysticklist; joysticklist = joysticklist->pNext)
{
if ( joysticklist->bXInputDevice && joysticklist->XInputUserId == userId )
userId++;
}
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if ( XINPUTGETCAPABILITIES )
{
result = XINPUTGETCAPABILITIES( userId, XINPUT_FLAG_GAMEPAD, &capabilities );
if ( result == ERROR_SUCCESS )
{
SDL_bool bIsSupported = SDL_FALSE;
// Current version of XInput mistakenly returns 0 as the Type. Ignore it and ensure the subtype is a gamepad.
bIsSupported = ( capabilities.SubType == XINPUT_DEVSUBTYPE_GAMEPAD );
if ( !bIsSupported )
{
joystickdevice->bXInputDevice = SDL_FALSE;
}
else
{
// valid
joystick->hwdata->bXInputDevice = SDL_TRUE;
SDL_memset( joystick->hwdata->XInputState, 0x0, sizeof(joystick->hwdata->XInputState) );
joystickdevice->XInputUserId = userId;
joystick->hwdata->userid = userId;
joystick->hwdata->currentXInputSlot = 0;
// The XInput API has a hard coded button/axis mapping, so we just match it
joystick->naxes = 6;
joystick->nbuttons = 15;
joystick->nballs = 0;
joystick->nhats = 0;
}
}
else
{
joystickdevice->bXInputDevice = SDL_FALSE;
}
}
else
{
joystickdevice->bXInputDevice = SDL_FALSE;
}
}
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if ( joystickdevice->bXInputDevice == SDL_FALSE )
{
joystick->hwdata->bXInputDevice = SDL_FALSE;
result =
IDirectInput8_CreateDevice(dinput,
&(joystickdevice->dxdevice.guidInstance), &device, NULL);
if (FAILED(result)) {
SetDIerror("IDirectInput::CreateDevice", result);
return (-1);
}
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/* Now get the IDirectInputDevice2 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)) {
SetDIerror("IDirectInputDevice::QueryInterface", result);
return (-1);
}
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/* Aquire shared access. Exclusive access is required for forces,
* though. */
result =
IDirectInputDevice8_SetCooperativeLevel(joystick->hwdata->
InputDevice, SDL_HelperWindow,
DISCL_NONEXCLUSIVE |
DISCL_BACKGROUND);
if (FAILED(result)) {
SetDIerror("IDirectInputDevice2::SetCooperativeLevel", result);
return (-1);
}
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/* Use the extended data structure: DIJOYSTATE2. */
result =
IDirectInputDevice8_SetDataFormat(joystick->hwdata->InputDevice,
&c_dfDIJoystick2);
if (FAILED(result)) {
SetDIerror("IDirectInputDevice2::SetDataFormat", result);
return (-1);
}
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/* Get device capabilities */
result =
IDirectInputDevice8_GetCapabilities(joystick->hwdata->InputDevice,
&joystick->hwdata->Capabilities);
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if (FAILED(result)) {
SetDIerror("IDirectInputDevice2::GetCapabilities", result);
return (-1);
}
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/* Force capable? */
if (joystick->hwdata->Capabilities.dwFlags & DIDC_FORCEFEEDBACK) {
result = IDirectInputDevice8_Acquire(joystick->hwdata->InputDevice);
if (FAILED(result)) {
SetDIerror("IDirectInputDevice2::Acquire", result);
return (-1);
}
/* reset all accuators. */
result =
IDirectInputDevice8_SendForceFeedbackCommand(joystick->hwdata->
InputDevice,
DISFFC_RESET);
/* Not necessarily supported, ignore if not supported.
if (FAILED(result)) {
SetDIerror("IDirectInputDevice2::SendForceFeedbackCommand",
result);
return (-1);
}
*/
result = IDirectInputDevice8_Unacquire(joystick->hwdata->InputDevice);
if (FAILED(result)) {
SetDIerror("IDirectInputDevice2::Unacquire", result);
return (-1);
}
/* 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)) {
SetDIerror("IDirectInputDevice2::SetProperty", result);
return (-1);
}
*/
}
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/* 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 = 0;
} else if (FAILED(result)) {
SetDIerror("IDirectInputDevice2::SetProperty", result);
return (-1);
}
}
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return (0);
}
/* 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;
}
}
}
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;
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in->ofs = DIJOFS_BUTTON( in->num );
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joystick->nbuttons++;
} else if (dev->dwType & DIDFT_POV) {
in->type = HAT;
in->num = joystick->nhats;
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in->ofs = DIJOFS_POV( in->num );
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joystick->nhats++;
} else if (dev->dwType & DIDFT_AXIS) {
DIPROPRANGE diprg;
DIPROPDWORD dilong;
in->type = AXIS;
in->num = joystick->naxes;
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// work our the axis this guy maps too, thanks for the code icculus!
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