src/joystick/windows/SDL_dxjoystick.c
author Sam Lantinga <slouken@libsdl.org>
Thu, 17 Oct 2013 23:40:13 -0700
changeset 7831 214cd9137ea9
parent 7719 31b5f9ff36ca
child 7844 97fa86ce5a2e
permissions -rw-r--r--
Fixed bug 2069 - Device addition/removal queries all USB devices rather than only HID devices.

Andreas Ertelt
SDL_dxjoystick.c is setting the classguid for device (dis)connect events to USB Devices in general:
dbh.dbcc_classguid = GUID_DEVINTERFACE_USB_DEVICE;

Wouldn't it make more sense to have it just subscribe to Hid device events? This would mean less meaningless events reaching the application.
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/*
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  Simple DirectMedia Layer
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  Copyright (C) 1997-2013 Sam Lantinga <slouken@libsdl.org>
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  This software is provided 'as-is', without any express or implied
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  warranty.  In no event will the authors be held liable for any damages
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  arising from the use of this software.
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  Permission is granted to anyone to use this software for any purpose,
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  including commercial applications, and to alter it and redistribute it
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  freely, subject to the following restrictions:
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  1. The origin of this software must not be misrepresented; you must not
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     claim that you wrote the original software. If you use this software
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     in a product, an acknowledgment in the product documentation would be
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     appreciated but is not required.
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  2. Altered source versions must be plainly marked as such, and must not be
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     misrepresented as being the original software.
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  3. This notice may not be removed or altered from any source distribution.
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*/
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#include "SDL_config.h"
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#ifdef SDL_JOYSTICK_DINPUT
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/* DirectInput joystick driver; written by Glenn Maynard, based on Andrei de
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 * A. Formiga's WINMM driver.
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 *
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 * Hats and sliders are completely untested; the app I'm writing this for mostly
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 * doesn't use them and I don't own any joysticks with them.
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 *
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 * 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. */
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#include "SDL_error.h"
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#include "SDL_assert.h"
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#include "SDL_events.h"
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#include "SDL_thread.h"
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#include "SDL_timer.h"
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#include "SDL_mutex.h"
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#include "SDL_events.h"
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#include "SDL_hints.h"
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#include "SDL_joystick.h"
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#include "../SDL_sysjoystick.h"
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#if !SDL_EVENTS_DISABLED
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#include "../../events/SDL_events_c.h"
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#endif
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#define INITGUID /* Only set here, if set twice will cause mingw32 to break. */
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#include "SDL_dxjoystick_c.h"
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#ifndef DIDFT_OPTIONAL
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#define DIDFT_OPTIONAL      0x80000000
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#endif
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DEFINE_GUID(GUID_DEVINTERFACE_HID, 0x4D1E55B2L, 0xF16F, 0x11CF, 0x88, 0xCB, 0x00, 0x11, 0x11, 0x00, 0x00, 0x30);
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#define INPUT_QSIZE 32      /* Buffer up to 32 input messages */
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#define AXIS_MIN    -32768  /* minimum value for axis coordinate */
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#define AXIS_MAX    32767   /* maximum value for axis coordinate */
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#define JOY_AXIS_THRESHOLD  (((AXIS_MAX)-(AXIS_MIN))/100)   /* 1% motion */
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/* external variables referenced. */
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extern HWND SDL_HelperWindow;
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/* local variables */
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static SDL_bool coinitialized = SDL_FALSE;
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static LPDIRECTINPUT8 dinput = NULL;
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static SDL_bool s_bDeviceAdded = SDL_FALSE;
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static SDL_bool s_bDeviceRemoved = SDL_FALSE;
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static SDL_JoystickID s_nInstanceID = -1;
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static SDL_cond *s_condJoystickThread = NULL;
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static SDL_mutex *s_mutexJoyStickEnum = NULL;
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static SDL_Thread *s_threadJoystick = NULL;
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static SDL_bool s_bJoystickThreadQuit = SDL_FALSE;
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static SDL_bool s_bXInputEnabled = SDL_TRUE;
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XInputGetState_t SDL_XInputGetState = NULL;
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XInputSetState_t SDL_XInputSetState = NULL;
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XInputGetCapabilities_t SDL_XInputGetCapabilities = NULL;
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DWORD SDL_XInputVersion = 0;
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static HANDLE s_pXInputDLL = 0;
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static int s_XInputDLLRefCount = 0;
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int
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WIN_LoadXInputDLL(void)
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{
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    DWORD version = 0;
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    if (s_pXInputDLL) {
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        SDL_assert(s_XInputDLLRefCount > 0);
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        s_XInputDLLRefCount++;
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        return 0;  /* already loaded */
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    }
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    version = (1 << 16) | 4;
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    s_pXInputDLL = LoadLibrary( L"XInput1_4.dll" );  /* 1.4 Ships with Windows 8. */
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    if (!s_pXInputDLL) {
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        version = (1 << 16) | 3;
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        s_pXInputDLL = LoadLibrary( L"XInput1_3.dll" );  /* 1.3 Ships with Vista and Win7, can be installed as a redistributable component. */
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    }
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    if (!s_pXInputDLL) {
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        s_pXInputDLL = LoadLibrary( L"bin\\XInput1_3.dll" );
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    }
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    if (!s_pXInputDLL) {
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        return -1;
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    }
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    SDL_assert(s_XInputDLLRefCount == 0);
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    SDL_XInputVersion = version;
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    s_XInputDLLRefCount = 1;
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    /* 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... */
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    SDL_XInputGetState = (XInputGetState_t)GetProcAddress( (HMODULE)s_pXInputDLL, (LPCSTR)100 );
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    SDL_XInputSetState = (XInputSetState_t)GetProcAddress( (HMODULE)s_pXInputDLL, "XInputSetState" );
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    SDL_XInputGetCapabilities = (XInputGetCapabilities_t)GetProcAddress( (HMODULE)s_pXInputDLL, "XInputGetCapabilities" );
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    if ( !SDL_XInputGetState || !SDL_XInputSetState || !SDL_XInputGetCapabilities ) {
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        WIN_UnloadXInputDLL();
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        return -1;
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    }
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    return 0;
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}
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void
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WIN_UnloadXInputDLL(void)
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{
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    if ( s_pXInputDLL ) {
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        SDL_assert(s_XInputDLLRefCount > 0);
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        if (--s_XInputDLLRefCount == 0) {
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            FreeLibrary( s_pXInputDLL );
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            s_pXInputDLL = NULL;
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        }
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    } else {
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        SDL_assert(s_XInputDLLRefCount == 0);
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    }
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}
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extern HRESULT(WINAPI * DInputCreate) (HINSTANCE hinst, DWORD dwVersion,
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                                       LPDIRECTINPUT * ppDI,
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                                       LPUNKNOWN punkOuter);
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struct JoyStick_DeviceData_
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{
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    SDL_JoystickGUID guid;
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    DIDEVICEINSTANCE dxdevice;
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    char *joystickname;
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    Uint8 send_add_event;
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    SDL_JoystickID nInstanceID;
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    SDL_bool bXInputDevice;
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    Uint8 XInputUserId;
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    struct JoyStick_DeviceData_ *pNext;
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};
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typedef struct JoyStick_DeviceData_ JoyStick_DeviceData;
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static JoyStick_DeviceData *SYS_Joystick;    /* array to hold joystick ID values */
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/* local prototypes */
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static int SetDIerror(const char *function, HRESULT code);
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static BOOL CALLBACK EnumJoysticksCallback(const DIDEVICEINSTANCE *
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                                           pdidInstance, VOID * pContext);
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static BOOL CALLBACK EnumDevObjectsCallback(LPCDIDEVICEOBJECTINSTANCE dev,
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                                            LPVOID pvRef);
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static void SortDevObjects(SDL_Joystick *joystick);
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static Uint8 TranslatePOV(DWORD value);
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static int SDL_PrivateJoystickAxis_Int(SDL_Joystick * joystick, Uint8 axis,
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                                       Sint16 value);
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static int SDL_PrivateJoystickHat_Int(SDL_Joystick * joystick, Uint8 hat,
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                                      Uint8 value);
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static int SDL_PrivateJoystickButton_Int(SDL_Joystick * joystick,
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                                         Uint8 button, Uint8 state);
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/* Taken from Wine - Thanks! */
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DIOBJECTDATAFORMAT dfDIJoystick2[] = {
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  { &GUID_XAxis,DIJOFS_X,DIDFT_OPTIONAL|DIDFT_AXIS|DIDFT_ANYINSTANCE,0},
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  { &GUID_YAxis,DIJOFS_Y,DIDFT_OPTIONAL|DIDFT_AXIS|DIDFT_ANYINSTANCE,0},
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  { &GUID_ZAxis,DIJOFS_Z,DIDFT_OPTIONAL|DIDFT_AXIS|DIDFT_ANYINSTANCE,0},
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  { &GUID_RxAxis,DIJOFS_RX,DIDFT_OPTIONAL|DIDFT_AXIS|DIDFT_ANYINSTANCE,0},
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  { &GUID_RyAxis,DIJOFS_RY,DIDFT_OPTIONAL|DIDFT_AXIS|DIDFT_ANYINSTANCE,0},
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  { &GUID_RzAxis,DIJOFS_RZ,DIDFT_OPTIONAL|DIDFT_AXIS|DIDFT_ANYINSTANCE,0},
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  { &GUID_Slider,DIJOFS_SLIDER(0),DIDFT_OPTIONAL|DIDFT_AXIS|DIDFT_ANYINSTANCE,0},
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  { &GUID_Slider,DIJOFS_SLIDER(1),DIDFT_OPTIONAL|DIDFT_AXIS|DIDFT_ANYINSTANCE,0},
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  { &GUID_POV,DIJOFS_POV(0),DIDFT_OPTIONAL|DIDFT_POV|DIDFT_ANYINSTANCE,0},
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  { &GUID_POV,DIJOFS_POV(1),DIDFT_OPTIONAL|DIDFT_POV|DIDFT_ANYINSTANCE,0},
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  { &GUID_POV,DIJOFS_POV(2),DIDFT_OPTIONAL|DIDFT_POV|DIDFT_ANYINSTANCE,0},
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  { &GUID_POV,DIJOFS_POV(3),DIDFT_OPTIONAL|DIDFT_POV|DIDFT_ANYINSTANCE,0},
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  { NULL,DIJOFS_BUTTON(0),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
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  { NULL,DIJOFS_BUTTON(1),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
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  { NULL,DIJOFS_BUTTON(2),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
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  { NULL,DIJOFS_BUTTON(3),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
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  { NULL,DIJOFS_BUTTON(4),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
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  { NULL,DIJOFS_BUTTON(5),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
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  { NULL,DIJOFS_BUTTON(6),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
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  { NULL,DIJOFS_BUTTON(7),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
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  { NULL,DIJOFS_BUTTON(8),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
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  { NULL,DIJOFS_BUTTON(9),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
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  { NULL,DIJOFS_BUTTON(10),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
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  { NULL,DIJOFS_BUTTON(11),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
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  { NULL,DIJOFS_BUTTON(12),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
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  { NULL,DIJOFS_BUTTON(13),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
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  { NULL,DIJOFS_BUTTON(14),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
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  { NULL,DIJOFS_BUTTON(15),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
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  { NULL,DIJOFS_BUTTON(16),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
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  { NULL,DIJOFS_BUTTON(17),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
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  { NULL,DIJOFS_BUTTON(18),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
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  { NULL,DIJOFS_BUTTON(19),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
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  { NULL,DIJOFS_BUTTON(20),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
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  { NULL,DIJOFS_BUTTON(21),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
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  { NULL,DIJOFS_BUTTON(22),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
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  { NULL,DIJOFS_BUTTON(23),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
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  { NULL,DIJOFS_BUTTON(24),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
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  { NULL,DIJOFS_BUTTON(25),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
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  { NULL,DIJOFS_BUTTON(26),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
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  { NULL,DIJOFS_BUTTON(27),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
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  { NULL,DIJOFS_BUTTON(28),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
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  { NULL,DIJOFS_BUTTON(29),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
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  { NULL,DIJOFS_BUTTON(30),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
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  { NULL,DIJOFS_BUTTON(31),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
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  { NULL,DIJOFS_BUTTON(32),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
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   224
  { NULL,DIJOFS_BUTTON(33),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
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   225
  { NULL,DIJOFS_BUTTON(34),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
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   226
  { NULL,DIJOFS_BUTTON(35),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
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   227
  { NULL,DIJOFS_BUTTON(36),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
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   228
  { NULL,DIJOFS_BUTTON(37),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
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   229
  { NULL,DIJOFS_BUTTON(38),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
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   230
  { NULL,DIJOFS_BUTTON(39),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
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   231
  { NULL,DIJOFS_BUTTON(40),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
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   232
  { NULL,DIJOFS_BUTTON(41),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
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   233
  { NULL,DIJOFS_BUTTON(42),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
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   234
  { NULL,DIJOFS_BUTTON(43),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
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   235
  { NULL,DIJOFS_BUTTON(44),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
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   236
  { NULL,DIJOFS_BUTTON(45),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
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   237
  { NULL,DIJOFS_BUTTON(46),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
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   238
  { NULL,DIJOFS_BUTTON(47),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
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   239
  { NULL,DIJOFS_BUTTON(48),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
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  { NULL,DIJOFS_BUTTON(49),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
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  { NULL,DIJOFS_BUTTON(50),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
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  { NULL,DIJOFS_BUTTON(51),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
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  { NULL,DIJOFS_BUTTON(52),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
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  { NULL,DIJOFS_BUTTON(53),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
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  { NULL,DIJOFS_BUTTON(54),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
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   246
  { NULL,DIJOFS_BUTTON(55),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
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   247
  { NULL,DIJOFS_BUTTON(56),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
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  { NULL,DIJOFS_BUTTON(57),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
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   249
  { NULL,DIJOFS_BUTTON(58),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
slouken@3013
   250
  { NULL,DIJOFS_BUTTON(59),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
slouken@3013
   251
  { NULL,DIJOFS_BUTTON(60),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
slouken@3013
   252
  { NULL,DIJOFS_BUTTON(61),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
slouken@3013
   253
  { NULL,DIJOFS_BUTTON(62),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
slouken@3013
   254
  { NULL,DIJOFS_BUTTON(63),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
slouken@3013
   255
  { NULL,DIJOFS_BUTTON(64),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
slouken@3013
   256
  { NULL,DIJOFS_BUTTON(65),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
slouken@3013
   257
  { NULL,DIJOFS_BUTTON(66),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
slouken@3013
   258
  { NULL,DIJOFS_BUTTON(67),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
slouken@3013
   259
  { NULL,DIJOFS_BUTTON(68),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
slouken@3013
   260
  { NULL,DIJOFS_BUTTON(69),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
slouken@3013
   261
  { NULL,DIJOFS_BUTTON(70),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
slouken@3013
   262
  { NULL,DIJOFS_BUTTON(71),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
slouken@3013
   263
  { NULL,DIJOFS_BUTTON(72),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
slouken@3013
   264
  { NULL,DIJOFS_BUTTON(73),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
slouken@3013
   265
  { NULL,DIJOFS_BUTTON(74),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
slouken@3013
   266
  { NULL,DIJOFS_BUTTON(75),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
slouken@3013
   267
  { NULL,DIJOFS_BUTTON(76),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
slouken@3013
   268
  { NULL,DIJOFS_BUTTON(77),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
slouken@3013
   269
  { NULL,DIJOFS_BUTTON(78),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
slouken@3013
   270
  { NULL,DIJOFS_BUTTON(79),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
slouken@3013
   271
  { NULL,DIJOFS_BUTTON(80),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
slouken@3013
   272
  { NULL,DIJOFS_BUTTON(81),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
slouken@3013
   273
  { NULL,DIJOFS_BUTTON(82),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
slouken@3013
   274
  { NULL,DIJOFS_BUTTON(83),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
slouken@3013
   275
  { NULL,DIJOFS_BUTTON(84),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
slouken@3013
   276
  { NULL,DIJOFS_BUTTON(85),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
slouken@3013
   277
  { NULL,DIJOFS_BUTTON(86),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
slouken@3013
   278
  { NULL,DIJOFS_BUTTON(87),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
slouken@3013
   279
  { NULL,DIJOFS_BUTTON(88),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
slouken@3013
   280
  { NULL,DIJOFS_BUTTON(89),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
slouken@3013
   281
  { NULL,DIJOFS_BUTTON(90),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
slouken@3013
   282
  { NULL,DIJOFS_BUTTON(91),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
slouken@3013
   283
  { NULL,DIJOFS_BUTTON(92),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
slouken@3013
   284
  { NULL,DIJOFS_BUTTON(93),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
slouken@3013
   285
  { NULL,DIJOFS_BUTTON(94),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
slouken@3013
   286
  { NULL,DIJOFS_BUTTON(95),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
slouken@3013
   287
  { NULL,DIJOFS_BUTTON(96),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
slouken@3013
   288
  { NULL,DIJOFS_BUTTON(97),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
slouken@3013
   289
  { NULL,DIJOFS_BUTTON(98),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
slouken@3013
   290
  { NULL,DIJOFS_BUTTON(99),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
slouken@3013
   291
  { NULL,DIJOFS_BUTTON(100),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
slouken@3013
   292
  { NULL,DIJOFS_BUTTON(101),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
slouken@3013
   293
  { NULL,DIJOFS_BUTTON(102),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
slouken@3013
   294
  { NULL,DIJOFS_BUTTON(103),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
slouken@3013
   295
  { NULL,DIJOFS_BUTTON(104),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
slouken@3013
   296
  { NULL,DIJOFS_BUTTON(105),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
slouken@3013
   297
  { NULL,DIJOFS_BUTTON(106),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
slouken@3013
   298
  { NULL,DIJOFS_BUTTON(107),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
slouken@3013
   299
  { NULL,DIJOFS_BUTTON(108),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
slouken@3013
   300
  { NULL,DIJOFS_BUTTON(109),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
slouken@3013
   301
  { NULL,DIJOFS_BUTTON(110),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
slouken@3013
   302
  { NULL,DIJOFS_BUTTON(111),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
slouken@3013
   303
  { NULL,DIJOFS_BUTTON(112),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
slouken@3013
   304
  { NULL,DIJOFS_BUTTON(113),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
slouken@3013
   305
  { NULL,DIJOFS_BUTTON(114),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
slouken@3013
   306
  { NULL,DIJOFS_BUTTON(115),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
slouken@3013
   307
  { NULL,DIJOFS_BUTTON(116),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
slouken@3013
   308
  { NULL,DIJOFS_BUTTON(117),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
slouken@3013
   309
  { NULL,DIJOFS_BUTTON(118),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
slouken@3013
   310
  { NULL,DIJOFS_BUTTON(119),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
slouken@3013
   311
  { NULL,DIJOFS_BUTTON(120),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
slouken@3013
   312
  { NULL,DIJOFS_BUTTON(121),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
slouken@3013
   313
  { NULL,DIJOFS_BUTTON(122),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
slouken@3013
   314
  { NULL,DIJOFS_BUTTON(123),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
slouken@3013
   315
  { NULL,DIJOFS_BUTTON(124),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
slouken@3013
   316
  { NULL,DIJOFS_BUTTON(125),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
slouken@3013
   317
  { NULL,DIJOFS_BUTTON(126),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
slouken@3013
   318
  { NULL,DIJOFS_BUTTON(127),DIDFT_OPTIONAL|DIDFT_BUTTON|DIDFT_ANYINSTANCE,0},
slouken@3013
   319
  { &GUID_XAxis,FIELD_OFFSET(DIJOYSTATE2,lVX),DIDFT_OPTIONAL|DIDFT_AXIS|DIDFT_ANYINSTANCE,0},
slouken@3013
   320
  { &GUID_YAxis,FIELD_OFFSET(DIJOYSTATE2,lVY),DIDFT_OPTIONAL|DIDFT_AXIS|DIDFT_ANYINSTANCE,0},
slouken@3013
   321
  { &GUID_ZAxis,FIELD_OFFSET(DIJOYSTATE2,lVZ),DIDFT_OPTIONAL|DIDFT_AXIS|DIDFT_ANYINSTANCE,0},
slouken@3013
   322
  { &GUID_RxAxis,FIELD_OFFSET(DIJOYSTATE2,lVRx),DIDFT_OPTIONAL|DIDFT_AXIS|DIDFT_ANYINSTANCE,0},
slouken@3013
   323
  { &GUID_RyAxis,FIELD_OFFSET(DIJOYSTATE2,lVRy),DIDFT_OPTIONAL|DIDFT_AXIS|DIDFT_ANYINSTANCE,0},
slouken@3013
   324
  { &GUID_RzAxis,FIELD_OFFSET(DIJOYSTATE2,lVRz),DIDFT_OPTIONAL|DIDFT_AXIS|DIDFT_ANYINSTANCE,0},
slouken@3013
   325
  { &GUID_Slider,FIELD_OFFSET(DIJOYSTATE2,rglVSlider[0]),DIDFT_OPTIONAL|DIDFT_AXIS|DIDFT_ANYINSTANCE,0},
slouken@3013
   326
  { &GUID_Slider,FIELD_OFFSET(DIJOYSTATE2,rglVSlider[1]),DIDFT_OPTIONAL|DIDFT_AXIS|DIDFT_ANYINSTANCE,0},
slouken@3013
   327
  { &GUID_XAxis,FIELD_OFFSET(DIJOYSTATE2,lAX),DIDFT_OPTIONAL|DIDFT_AXIS|DIDFT_ANYINSTANCE,0},
slouken@3013
   328
  { &GUID_YAxis,FIELD_OFFSET(DIJOYSTATE2,lAY),DIDFT_OPTIONAL|DIDFT_AXIS|DIDFT_ANYINSTANCE,0},
slouken@3013
   329
  { &GUID_ZAxis,FIELD_OFFSET(DIJOYSTATE2,lAZ),DIDFT_OPTIONAL|DIDFT_AXIS|DIDFT_ANYINSTANCE,0},
slouken@3013
   330
  { &GUID_RxAxis,FIELD_OFFSET(DIJOYSTATE2,lARx),DIDFT_OPTIONAL|DIDFT_AXIS|DIDFT_ANYINSTANCE,0},
slouken@3013
   331
  { &GUID_RyAxis,FIELD_OFFSET(DIJOYSTATE2,lARy),DIDFT_OPTIONAL|DIDFT_AXIS|DIDFT_ANYINSTANCE,0},
slouken@3013
   332
  { &GUID_RzAxis,FIELD_OFFSET(DIJOYSTATE2,lARz),DIDFT_OPTIONAL|DIDFT_AXIS|DIDFT_ANYINSTANCE,0},
slouken@3013
   333
  { &GUID_Slider,FIELD_OFFSET(DIJOYSTATE2,rglASlider[0]),DIDFT_OPTIONAL|DIDFT_AXIS|DIDFT_ANYINSTANCE,0},
slouken@3013
   334
  { &GUID_Slider,FIELD_OFFSET(DIJOYSTATE2,rglASlider[1]),DIDFT_OPTIONAL|DIDFT_AXIS|DIDFT_ANYINSTANCE,0},
slouken@3013
   335
  { &GUID_XAxis,FIELD_OFFSET(DIJOYSTATE2,lFX),DIDFT_OPTIONAL|DIDFT_AXIS|DIDFT_ANYINSTANCE,0},
slouken@3013
   336
  { &GUID_YAxis,FIELD_OFFSET(DIJOYSTATE2,lFY),DIDFT_OPTIONAL|DIDFT_AXIS|DIDFT_ANYINSTANCE,0},
slouken@3013
   337
  { &GUID_ZAxis,FIELD_OFFSET(DIJOYSTATE2,lFZ),DIDFT_OPTIONAL|DIDFT_AXIS|DIDFT_ANYINSTANCE,0},
slouken@3013
   338
  { &GUID_RxAxis,FIELD_OFFSET(DIJOYSTATE2,lFRx),DIDFT_OPTIONAL|DIDFT_AXIS|DIDFT_ANYINSTANCE,0},
slouken@3013
   339
  { &GUID_RyAxis,FIELD_OFFSET(DIJOYSTATE2,lFRy),DIDFT_OPTIONAL|DIDFT_AXIS|DIDFT_ANYINSTANCE,0},
slouken@3013
   340
  { &GUID_RzAxis,FIELD_OFFSET(DIJOYSTATE2,lFRz),DIDFT_OPTIONAL|DIDFT_AXIS|DIDFT_ANYINSTANCE,0},
slouken@3013
   341
  { &GUID_Slider,FIELD_OFFSET(DIJOYSTATE2,rglFSlider[0]),DIDFT_OPTIONAL|DIDFT_AXIS|DIDFT_ANYINSTANCE,0},
slouken@3013
   342
  { &GUID_Slider,FIELD_OFFSET(DIJOYSTATE2,rglFSlider[1]),DIDFT_OPTIONAL|DIDFT_AXIS|DIDFT_ANYINSTANCE,0},
slouken@2760
   343
};
slouken@2760
   344
slouken@2760
   345
const DIDATAFORMAT c_dfDIJoystick2 = {
slouken@2760
   346
    sizeof(DIDATAFORMAT),
slouken@2760
   347
    sizeof(DIOBJECTDATAFORMAT),
slouken@2760
   348
    DIDF_ABSAXIS,
slouken@2760
   349
    sizeof(DIJOYSTATE2),
slouken@2760
   350
    SDL_arraysize(dfDIJoystick2),
slouken@2760
   351
    dfDIJoystick2
slouken@2760
   352
};
slouken@2760
   353
slouken@2198
   354
slouken@1895
   355
/* Convert a DirectInput return code to a text message */
icculus@7037
   356
static int
slouken@2198
   357
SetDIerror(const char *function, HRESULT code)
slouken@1895
   358
{
slouken@2760
   359
    /*
icculus@7037
   360
    return SDL_SetError("%s() [%s]: %s", function,
slouken@3013
   361
                 DXGetErrorString9A(code), DXGetErrorDescription9A(code));
slouken@2760
   362
     */
icculus@7037
   363
    return SDL_SetError("%s() DirectX error %d", function, code);
slouken@1895
   364
}
slouken@1895
   365
slouken@1895
   366
slouken@6690
   367
#define SAFE_RELEASE(p)                             \
slouken@6690
   368
{                                                   \
slouken@7191
   369
    if (p) {                                        \
slouken@7191
   370
        (p)->lpVtbl->Release((p));                  \
slouken@7191
   371
        (p) = 0;                                    \
slouken@7191
   372
    }                                               \
slouken@6690
   373
}
slouken@6690
   374
icculus@7706
   375
DEFINE_GUID(IID_ValveStreamingGamepad,  MAKELONG( 0x28DE, 0x11FF ),0x0000,0x0000,0x00,0x00,0x50,0x49,0x44,0x56,0x49,0x44);
icculus@7706
   376
DEFINE_GUID(IID_X360WiredGamepad,  MAKELONG( 0x045E, 0x02A1 ),0x0000,0x0000,0x00,0x00,0x50,0x49,0x44,0x56,0x49,0x44);
icculus@7706
   377
DEFINE_GUID(IID_X360WirelessGamepad,  MAKELONG( 0x045E, 0x028E ),0x0000,0x0000,0x00,0x00,0x50,0x49,0x44,0x56,0x49,0x44);
slouken@6690
   378
icculus@7706
   379
static PRAWINPUTDEVICELIST SDL_RawDevList = NULL;
icculus@7706
   380
static UINT SDL_RawDevListCount = 0;
slouken@6690
   381
icculus@7706
   382
static SDL_bool
icculus@7706
   383
SDL_IsXInputDevice( const GUID* pGuidProductFromDirectInput )
slouken@6690
   384
{
slouken@7299
   385
    static const GUID *s_XInputProductGUID[] = {
icculus@7706
   386
        &IID_ValveStreamingGamepad,
icculus@7706
   387
        &IID_X360WiredGamepad,   /* Microsoft's wired X360 controller for Windows. */
icculus@7706
   388
        &IID_X360WirelessGamepad /* Microsoft's wireless X360 controller for Windows. */
slouken@7299
   389
    };
slouken@6690
   390
icculus@7706
   391
    size_t iDevice;
icculus@7706
   392
    UINT i;
icculus@7706
   393
icculus@7706
   394
    if (!s_bXInputEnabled) {
urkle@6965
   395
        return SDL_FALSE;
urkle@6965
   396
    }
urkle@6965
   397
gabomdq@7663
   398
    /* Check for well known XInput device GUIDs */
icculus@7706
   399
    /* 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. */
slouken@7299
   400
    for ( iDevice = 0; iDevice < SDL_arraysize(s_XInputProductGUID); ++iDevice ) {
slouken@7299
   401
        if (SDL_memcmp(pGuidProductFromDirectInput, s_XInputProductGUID[iDevice], sizeof(GUID)) == 0) {
slouken@7299
   402
            return SDL_TRUE;
slouken@7299
   403
        }
slouken@7299
   404
    }
slouken@7299
   405
icculus@7706
   406
    /* Go through RAWINPUT (WinXP and later) to find HID devices. */
icculus@7706
   407
    /* Cache this if we end up using it. */
icculus@7706
   408
    if (SDL_RawDevList == NULL) {
icculus@7706
   409
        if ((GetRawInputDeviceList(NULL, &SDL_RawDevListCount, sizeof (RAWINPUTDEVICELIST)) == -1) || (!SDL_RawDevListCount)) {
icculus@7706
   410
            return SDL_FALSE;  /* oh well. */
icculus@7706
   411
        }
slouken@6690
   412
icculus@7706
   413
        SDL_RawDevList = (PRAWINPUTDEVICELIST) SDL_malloc(sizeof (RAWINPUTDEVICELIST) * SDL_RawDevListCount);
icculus@7706
   414
        if (SDL_RawDevList == NULL) {
icculus@7706
   415
            SDL_OutOfMemory();
icculus@7706
   416
            return SDL_FALSE;
icculus@7706
   417
        }
slouken@6690
   418
icculus@7706
   419
        if (GetRawInputDeviceList(SDL_RawDevList, &SDL_RawDevListCount, sizeof (RAWINPUTDEVICELIST)) == -1) {
icculus@7706
   420
             SDL_free(SDL_RawDevList);
icculus@7706
   421
             SDL_RawDevList = NULL;
icculus@7706
   422
             return SDL_FALSE;  /* oh well. */
slouken@7191
   423
        }
slouken@7191
   424
    }
slouken@7191
   425
icculus@7706
   426
    for (i = 0; i < SDL_RawDevListCount; i++) {
icculus@7706
   427
        RID_DEVICE_INFO rdi;
icculus@7706
   428
        char devName[128];
icculus@7706
   429
        UINT rdiSize = sizeof (rdi);
icculus@7706
   430
        UINT nameSize = SDL_arraysize(devName);
slouken@6690
   431
icculus@7706
   432
        rdi.cbSize = sizeof (rdi);
icculus@7706
   433
        if ( (SDL_RawDevList[i].dwType == RIM_TYPEHID) &&
icculus@7706
   434
             (GetRawInputDeviceInfoA(SDL_RawDevList[i].hDevice, RIDI_DEVICEINFO, &rdi, &rdiSize) != ((UINT)-1)) &&
icculus@7706
   435
             (MAKELONG(rdi.hid.dwVendorId, rdi.hid.dwProductId) == ((LONG)pGuidProductFromDirectInput->Data1)) &&
icculus@7706
   436
             (GetRawInputDeviceInfoA(SDL_RawDevList[i].hDevice, RIDI_DEVICENAME, devName, &nameSize) != ((UINT)-1)) &&
icculus@7706
   437
             (SDL_strstr(devName, "IG_") != NULL) ) {
icculus@7706
   438
             return SDL_TRUE;
icculus@7706
   439
        }
icculus@7706
   440
    }
slouken@6690
   441
icculus@7706
   442
    return SDL_FALSE;
slouken@6690
   443
}
slouken@6690
   444
slouken@6690
   445
slouken@6690
   446
static SDL_bool s_bWindowsDeviceChanged = SDL_FALSE;
slouken@6690
   447
philipp@7133
   448
/* windowproc for our joystick detect thread message only window, to detect any USB device addition/removal
slouken@6690
   449
 */
slouken@6690
   450
LRESULT CALLBACK SDL_PrivateJoystickDetectProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)    {
slouken@7191
   451
    switch (message)    {
slouken@7191
   452
    case WM_DEVICECHANGE:
slouken@7191
   453
        switch (wParam) {
slouken@7191
   454
        case DBT_DEVICEARRIVAL:
slouken@7191
   455
            if (((DEV_BROADCAST_HDR*)lParam)->dbch_devicetype == DBT_DEVTYP_DEVICEINTERFACE)    {
slouken@7191
   456
                s_bWindowsDeviceChanged = SDL_TRUE;
slouken@7191
   457
            }
slouken@7191
   458
            break;
slouken@7191
   459
        case DBT_DEVICEREMOVECOMPLETE:
slouken@7191
   460
            if (((DEV_BROADCAST_HDR*)lParam)->dbch_devicetype == DBT_DEVTYP_DEVICEINTERFACE)    {
slouken@7191
   461
                s_bWindowsDeviceChanged = SDL_TRUE;
slouken@7191
   462
            }
slouken@7191
   463
            break;
slouken@7191
   464
        }
slouken@7191
   465
        return 0;
slouken@7191
   466
    }
slouken@6690
   467
slouken@7191
   468
    return DefWindowProc (hwnd, message, wParam, lParam);
slouken@6690
   469
}
slouken@6690
   470
slouken@6690
   471
slouken@6690
   472
DEFINE_GUID(GUID_DEVINTERFACE_USB_DEVICE, 0xA5DCBF10L, 0x6530, 0x11D2, 0x90, 0x1F, 0x00, \
slouken@7191
   473
    0xC0, 0x4F, 0xB9, 0x51, 0xED);
slouken@6690
   474
slouken@6690
   475
/* Function/thread to scan the system for joysticks.
slouken@6690
   476
 */
slouken@6690
   477
static int
slouken@6690
   478
SDL_JoystickThread(void *_data)
slouken@6690
   479
{
slouken@7191
   480
    HWND messageWindow = 0;
slouken@7191
   481
    HDEVNOTIFY hNotify = 0;
slouken@7191
   482
    DEV_BROADCAST_DEVICEINTERFACE dbh;
icculus@7707
   483
    SDL_bool bOpenedXInputDevices[SDL_XINPUT_MAX_DEVICES];
slouken@7191
   484
    WNDCLASSEX wincl;
slouken@6710
   485
icculus@7707
   486
    SDL_zero(bOpenedXInputDevices);
slouken@6690
   487
slouken@7223
   488
    WIN_CoInitialize();
slouken@6690
   489
slouken@7191
   490
    SDL_memset( &wincl, 0x0, sizeof(wincl) );
slouken@7191
   491
    wincl.hInstance = GetModuleHandle( NULL );
slouken@7191
   492
    wincl.lpszClassName = L"Message";
slouken@7191
   493
    wincl.lpfnWndProc = SDL_PrivateJoystickDetectProc;      /* This function is called by windows */
slouken@7191
   494
    wincl.cbSize = sizeof (WNDCLASSEX);
slouken@6712
   495
slouken@7191
   496
    if (!RegisterClassEx (&wincl))
slouken@7191
   497
    {
slouken@7191
   498
        return SDL_SetError("Failed to create register class for joystick autodetect.", GetLastError());
slouken@7191
   499
    }
slouken@6712
   500
slouken@7191
   501
    messageWindow = (HWND)CreateWindowEx( 0,  L"Message", NULL, 0, 0, 0, 0, 0, HWND_MESSAGE, NULL, NULL, NULL );
slouken@7191
   502
    if ( !messageWindow )
slouken@7191
   503
    {
slouken@7191
   504
        return SDL_SetError("Failed to create message window for joystick autodetect.", GetLastError());
slouken@7191
   505
    }
slouken@6690
   506
icculus@7707
   507
    SDL_zero(dbh);
slouken@6690
   508
slouken@7191
   509
    dbh.dbcc_size = sizeof(dbh);
slouken@7191
   510
    dbh.dbcc_devicetype = DBT_DEVTYP_DEVICEINTERFACE;
slouken@7831
   511
    dbh.dbcc_classguid = GUID_DEVINTERFACE_HID;
slouken@6690
   512
slouken@7191
   513
    hNotify = RegisterDeviceNotification( messageWindow, &dbh, DEVICE_NOTIFY_WINDOW_HANDLE );
slouken@7191
   514
    if ( !hNotify )
slouken@7191
   515
    {
slouken@7191
   516
        return SDL_SetError("Failed to create notify device for joystick autodetect.", GetLastError());
slouken@7191
   517
    }
slouken@6690
   518
slouken@7191
   519
    SDL_LockMutex( s_mutexJoyStickEnum );
slouken@7191
   520
    while ( s_bJoystickThreadQuit == SDL_FALSE )
slouken@7191
   521
    {
slouken@7191
   522
        MSG messages;
icculus@7707
   523
        SDL_bool bXInputChanged = SDL_FALSE;
icculus@7707
   524
slouken@7191
   525
        SDL_CondWaitTimeout( s_condJoystickThread, s_mutexJoyStickEnum, 300 );
slouken@6690
   526
slouken@7191
   527
        while ( s_bJoystickThreadQuit == SDL_FALSE && PeekMessage(&messages, messageWindow, 0, 0, PM_NOREMOVE) )
slouken@7191
   528
        {
slouken@7191
   529
            if ( GetMessage(&messages, messageWindow, 0, 0) != 0 )  {
slouken@7191
   530
                TranslateMessage(&messages);
slouken@7191
   531
                DispatchMessage(&messages);
slouken@7191
   532
            }
slouken@7191
   533
        }
slouken@6690
   534
icculus@7707
   535
        if ( s_bXInputEnabled && XINPUTGETCAPABILITIES ) {
slouken@7191
   536
            /* scan for any change in XInput devices */
icculus@7707
   537
            Uint8 userId;
icculus@7707
   538
            for (userId = 0; userId < SDL_XINPUT_MAX_DEVICES; userId++) {
slouken@7191
   539
                XINPUT_CAPABILITIES capabilities;
icculus@7707
   540
                const DWORD result = XINPUTGETCAPABILITIES( userId, XINPUT_FLAG_GAMEPAD, &capabilities );
icculus@7707
   541
                const SDL_bool available = (result == ERROR_SUCCESS);
icculus@7707
   542
                if (bOpenedXInputDevices[userId] != available) {
icculus@7707
   543
                    bXInputChanged = SDL_TRUE;
icculus@7707
   544
                    bOpenedXInputDevices[userId] = available;
slouken@7191
   545
                }
slouken@7191
   546
            }
slouken@7191
   547
        }
slouken@6710
   548
icculus@7707
   549
        if (s_bWindowsDeviceChanged || bXInputChanged) {
icculus@7707
   550
            SDL_UnlockMutex( s_mutexJoyStickEnum );  /* let main thread go while we SDL_Delay(). */
slouken@7191
   551
            SDL_Delay( 300 ); /* wait for direct input to find out about this device */
icculus@7707
   552
            SDL_LockMutex( s_mutexJoyStickEnum );
slouken@6690
   553
slouken@7191
   554
            s_bDeviceRemoved = SDL_TRUE;
slouken@7191
   555
            s_bDeviceAdded = SDL_TRUE;
slouken@7191
   556
            s_bWindowsDeviceChanged = SDL_FALSE;
slouken@7191
   557
        }
slouken@7191
   558
    }
slouken@7191
   559
    SDL_UnlockMutex( s_mutexJoyStickEnum );
slouken@6690
   560
slouken@7191
   561
    if ( hNotify )
slouken@7191
   562
        UnregisterDeviceNotification( hNotify );
slouken@6690
   563
slouken@7191
   564
    if ( messageWindow )
slouken@7191
   565
        DestroyWindow( messageWindow );
slouken@6712
   566
slouken@7191
   567
    UnregisterClass( wincl.lpszClassName, wincl.hInstance );
slouken@7191
   568
    messageWindow = 0;
slouken@7191
   569
    WIN_CoUninitialize();
slouken@7191
   570
    return 1;
slouken@6690
   571
}
slouken@6690
   572
slouken@6690
   573
slouken@1895
   574
/* Function to scan the system for joysticks.
slouken@1895
   575
 * This function should set SDL_numjoysticks to the number of available
slouken@1895
   576
 * joysticks.  Joystick 0 should be the system default joystick.
slouken@1895
   577
 * It should return 0, or -1 on an unrecoverable fatal error.
slouken@1895
   578
 */
slouken@1895
   579
int
slouken@1895
   580
SDL_SYS_JoystickInit(void)
slouken@1895
   581
{
slouken@1895
   582
    HRESULT result;
slouken@2713
   583
    HINSTANCE instance;
slouken@7191
   584
    const char *env = SDL_GetHint(SDL_HINT_XINPUT_ENABLED);
slouken@7191
   585
    if (env && !SDL_atoi(env)) {
slouken@7191
   586
        s_bXInputEnabled = SDL_FALSE;
slouken@7191
   587
    }
slouken@1895
   588
icculus@5591
   589
    result = WIN_CoInitialize();
slouken@2198
   590
    if (FAILED(result)) {
icculus@7037
   591
        return SetDIerror("CoInitialize", result);
slouken@1895
   592
    }
slouken@1895
   593
icculus@5591
   594
    coinitialized = SDL_TRUE;
icculus@5591
   595
slouken@6690
   596
    result = CoCreateInstance(&CLSID_DirectInput8, NULL, CLSCTX_INPROC_SERVER,
slouken@6690
   597
                              &IID_IDirectInput8, (LPVOID)&dinput);
slouken@2198
   598
slouken@2198
   599
    if (FAILED(result)) {
icculus@5591
   600
        SDL_SYS_JoystickQuit();
icculus@7037
   601
        return SetDIerror("CoCreateInstance", result);
slouken@2198
   602
    }
slouken@2198
   603
slouken@2198
   604
    /* Because we used CoCreateInstance, we need to Initialize it, first. */
slouken@2713
   605
    instance = GetModuleHandle(NULL);
slouken@2713
   606
    if (instance == NULL) {
icculus@5591
   607
        SDL_SYS_JoystickQuit();
icculus@7037
   608
        return SDL_SetError("GetModuleHandle() failed with error code %d.", GetLastError());
slouken@2713
   609
    }
slouken@6690
   610
    result = IDirectInput8_Initialize(dinput, instance, DIRECTINPUT_VERSION);
slouken@2198
   611
slouken@2198
   612
    if (FAILED(result)) {
icculus@5591
   613
        SDL_SYS_JoystickQuit();
icculus@7037
   614
        return SetDIerror("IDirectInput::Initialize", result);
slouken@2198
   615
    }
slouken@2198
   616
icculus@7707
   617
    if ((s_bXInputEnabled) && (WIN_LoadXInputDLL() == -1)) {
icculus@7707
   618
        s_bXInputEnabled = SDL_FALSE;  /* oh well. */
icculus@7707
   619
    }
icculus@7707
   620
icculus@6990
   621
    s_mutexJoyStickEnum = SDL_CreateMutex();
icculus@6990
   622
    s_condJoystickThread = SDL_CreateCond();
slouken@7191
   623
    s_bDeviceAdded = SDL_TRUE; /* force a scan of the system for joysticks this first time */
icculus@7707
   624
icculus@6990
   625
    SDL_SYS_JoystickDetect();
slouken@1895
   626
slouken@7191
   627
    if ( !s_threadJoystick )
slouken@7191
   628
    {
slouken@7191
   629
        s_bJoystickThreadQuit = SDL_FALSE;
slouken@7191
   630
        /* spin up the thread to detect hotplug of devices */
slouken@6690
   631
#if defined(__WIN32__) && !defined(HAVE_LIBC)
slouken@6690
   632
#undef SDL_CreateThread
slouken@7191
   633
        s_threadJoystick= SDL_CreateThread( SDL_JoystickThread, "SDL_joystick", NULL, NULL, NULL );
slouken@6690
   634
#else
slouken@7191
   635
        s_threadJoystick = SDL_CreateThread( SDL_JoystickThread, "SDL_joystick", NULL );
slouken@6690
   636
#endif
slouken@7191
   637
    }
slouken@7191
   638
        return SDL_SYS_NumJoysticks();
slouken@2198
   639
}
slouken@2198
   640
slouken@6707
   641
/* return the number of joysticks that are connected right now */
slouken@6707
   642
int SDL_SYS_NumJoysticks()
slouken@6707
   643
{
slouken@7191
   644
    int nJoysticks = 0;
slouken@7191
   645
    JoyStick_DeviceData *device = SYS_Joystick;
slouken@7191
   646
    while ( device )
slouken@7191
   647
    {
slouken@7191
   648
        nJoysticks++;
slouken@7191
   649
        device = device->pNext;
slouken@7191
   650
    }
slouken@6707
   651
slouken@7191
   652
    return nJoysticks;
slouken@6707
   653
}
slouken@6707
   654
slouken@6707
   655
/* helper function for direct input, gets called for each connected joystick */
slouken@6707
   656
static BOOL CALLBACK
slouken@7191
   657
    EnumJoysticksCallback(const DIDEVICEINSTANCE * pdidInstance, VOID * pContext)
slouken@6707
   658
{
slouken@7191
   659
    JoyStick_DeviceData *pNewJoystick;
slouken@7191
   660
    JoyStick_DeviceData *pPrevJoystick = NULL;
icculus@7707
   661
icculus@7707
   662
    if (SDL_IsXInputDevice( &pdidInstance->guidProduct )) {
icculus@7707
   663
        return DIENUM_CONTINUE;  /* ignore XInput devices here, keep going. */
icculus@7707
   664
    }
icculus@7707
   665
slouken@7191
   666
    pNewJoystick = *(JoyStick_DeviceData **)pContext;
slouken@7191
   667
    while ( pNewJoystick )
slouken@7191
   668
    {
slouken@7191
   669
        if ( !SDL_memcmp( &pNewJoystick->dxdevice.guidInstance, &pdidInstance->guidInstance, sizeof(pNewJoystick->dxdevice.guidInstance) ) )
slouken@7191
   670
        {
slouken@7191
   671
            /* if we are replacing the front of the list then update it */
slouken@7191
   672
            if ( pNewJoystick == *(JoyStick_DeviceData **)pContext )
slouken@7191
   673
            {
slouken@7191
   674
                *(JoyStick_DeviceData **)pContext = pNewJoystick->pNext;
slouken@7191
   675
            }
slouken@7191
   676
            else if ( pPrevJoystick )
slouken@7191
   677
            {
slouken@7191
   678
                pPrevJoystick->pNext = pNewJoystick->pNext;
slouken@7191
   679
            }
slouken@6712
   680
slouken@7191
   681
            pNewJoystick->pNext = SYS_Joystick;
slouken@7191
   682
            SYS_Joystick = pNewJoystick;
slouken@6707
   683
icculus@7707
   684
            return DIENUM_CONTINUE; /* already have this joystick loaded, just keep going */
slouken@7191
   685
        }
slouken@6707
   686
slouken@7191
   687
        pPrevJoystick = pNewJoystick;
slouken@7191
   688
        pNewJoystick = pNewJoystick->pNext;
slouken@7191
   689
    }
slouken@6707
   690
icculus@7707
   691
    pNewJoystick = (JoyStick_DeviceData *)SDL_malloc( sizeof(JoyStick_DeviceData) );
icculus@7707
   692
    if (!pNewJoystick) {
icculus@7707
   693
        return DIENUM_CONTINUE; /* better luck next time? */
icculus@7707
   694
    }
slouken@6707
   695
icculus@7707
   696
    SDL_zerop(pNewJoystick);
icculus@7707
   697
    pNewJoystick->joystickname = WIN_StringToUTF8(pdidInstance->tszProductName);
icculus@7707
   698
    if (!pNewJoystick->joystickname) {
icculus@7707
   699
        SDL_free(pNewJoystick);
icculus@7707
   700
        return DIENUM_CONTINUE; /* better luck next time? */
slouken@7191
   701
    }
slouken@6712
   702
slouken@7191
   703
    SDL_memcpy(&(pNewJoystick->dxdevice), pdidInstance,
slouken@7191
   704
        sizeof(DIDEVICEINSTANCE));
slouken@6707
   705
icculus@7707
   706
    pNewJoystick->XInputUserId = INVALID_XINPUT_USERID;
slouken@7191
   707
    pNewJoystick->send_add_event = 1;
slouken@7191
   708
    pNewJoystick->nInstanceID = ++s_nInstanceID;
slouken@7191
   709
    SDL_memcpy( &pNewJoystick->guid, &pdidInstance->guidProduct, sizeof(pNewJoystick->guid) );
icculus@7707
   710
    pNewJoystick->pNext = SYS_Joystick;
slouken@7191
   711
    SYS_Joystick = pNewJoystick;
slouken@6707
   712
icculus@7707
   713
    s_bDeviceAdded = SDL_TRUE;
slouken@7191
   714
icculus@7707
   715
    return DIENUM_CONTINUE; /* get next device, please */
slouken@6707
   716
}
slouken@6707
   717
icculus@7707
   718
static void
icculus@7707
   719
AddXInputDevice(const Uint8 userid, JoyStick_DeviceData **pContext)
icculus@7707
   720
{
icculus@7707
   721
    char name[32];
icculus@7707
   722
    JoyStick_DeviceData *pPrevJoystick = NULL;
icculus@7707
   723
    JoyStick_DeviceData *pNewJoystick = *pContext;
icculus@7707
   724
icculus@7707
   725
    while (pNewJoystick) {
icculus@7707
   726
        if ((pNewJoystick->bXInputDevice) && (pNewJoystick->XInputUserId == userid)) {
icculus@7707
   727
            /* if we are replacing the front of the list then update it */
icculus@7707
   728
            if (pNewJoystick == *pContext) {
icculus@7707
   729
                *pContext = pNewJoystick->pNext;
icculus@7707
   730
            } else if (pPrevJoystick) {
icculus@7707
   731
                pPrevJoystick->pNext = pNewJoystick->pNext;
icculus@7707
   732
            }
icculus@7707
   733
icculus@7707
   734
            pNewJoystick->pNext = SYS_Joystick;
icculus@7707
   735
            SYS_Joystick = pNewJoystick;
icculus@7707
   736
        }
icculus@7707
   737
icculus@7707
   738
        pPrevJoystick = pNewJoystick;
icculus@7707
   739
        pNewJoystick = pNewJoystick->pNext;
icculus@7707
   740
        return;   /* already in the list. */
icculus@7707
   741
    }
icculus@7707
   742
icculus@7707
   743
    pNewJoystick = (JoyStick_DeviceData *) SDL_malloc(sizeof (JoyStick_DeviceData));
icculus@7707
   744
    if (!pNewJoystick) {
icculus@7707
   745
        return; /* better luck next time? */
icculus@7707
   746
    }
icculus@7707
   747
    SDL_zerop(pNewJoystick);
icculus@7707
   748
icculus@7709
   749
    SDL_snprintf(name, sizeof (name), "XInput Controller #%u", ((unsigned int) userid) + 1);
icculus@7707
   750
    pNewJoystick->joystickname = SDL_strdup(name);
icculus@7707
   751
    if (!pNewJoystick->joystickname) {
icculus@7707
   752
        SDL_free(pNewJoystick);
icculus@7707
   753
        return; /* better luck next time? */
icculus@7707
   754
    }
icculus@7707
   755
icculus@7707
   756
    pNewJoystick->bXInputDevice = SDL_TRUE;
icculus@7707
   757
    pNewJoystick->XInputUserId = userid;
icculus@7707
   758
    pNewJoystick->send_add_event = 1;
icculus@7707
   759
    pNewJoystick->nInstanceID = ++s_nInstanceID;
icculus@7707
   760
    pNewJoystick->pNext = SYS_Joystick;
icculus@7707
   761
    SYS_Joystick = pNewJoystick;
icculus@7707
   762
icculus@7707
   763
    s_bDeviceAdded = SDL_TRUE;
icculus@7707
   764
}
icculus@7707
   765
icculus@7707
   766
static void
icculus@7707
   767
EnumXInputDevices(JoyStick_DeviceData **pContext)
icculus@7707
   768
{
icculus@7707
   769
    if (s_bXInputEnabled) {
icculus@7712
   770
        int iuserid;
icculus@7712
   771
        /* iterate in reverse, so these are in the final list in ascending numeric order. */
icculus@7712
   772
        for (iuserid = SDL_XINPUT_MAX_DEVICES-1; iuserid >= 0; iuserid--) {
icculus@7712
   773
            const Uint8 userid = (Uint8) iuserid;
icculus@7707
   774
            XINPUT_CAPABILITIES capabilities;
icculus@7707
   775
            if (XINPUTGETCAPABILITIES(userid, XINPUT_FLAG_GAMEPAD, &capabilities) == ERROR_SUCCESS) {
icculus@7707
   776
                /* Current version of XInput mistakenly returns 0 as the Type. Ignore it and ensure the subtype is a gamepad. */
icculus@7707
   777
                /* !!! FIXME: we might want to support steering wheels or guitars or whatever laster. */
icculus@7707
   778
                if (capabilities.SubType == XINPUT_DEVSUBTYPE_GAMEPAD) {
icculus@7707
   779
                    AddXInputDevice(userid, pContext);
icculus@7707
   780
                }
icculus@7707
   781
            }
icculus@7707
   782
        }
icculus@7707
   783
    }
icculus@7707
   784
}
icculus@7707
   785
icculus@7707
   786
slouken@6707
   787
/* detect any new joysticks being inserted into the system */
slouken@6707
   788
void SDL_SYS_JoystickDetect()
slouken@6707
   789
{
slouken@7191
   790
    JoyStick_DeviceData *pCurList = NULL;
slouken@7191
   791
    /* only enum the devices if the joystick thread told us something changed */
slouken@7191
   792
    if ( s_bDeviceAdded || s_bDeviceRemoved )
slouken@7191
   793
    {
icculus@7707
   794
        SDL_LockMutex( s_mutexJoyStickEnum );
icculus@7707
   795
slouken@7191
   796
        s_bDeviceAdded = SDL_FALSE;
slouken@7191
   797
        s_bDeviceRemoved = SDL_FALSE;
slouken@6707
   798
slouken@7191
   799
        pCurList = SYS_Joystick;
slouken@7191
   800
        SYS_Joystick = NULL;
slouken@6707
   801
icculus@7707
   802
        /* Look for DirectInput joysticks, wheels, head trackers, gamepads, etc.. */
slouken@7223
   803
        IDirectInput8_EnumDevices(dinput,
slouken@7191
   804
            DI8DEVCLASS_GAMECTRL,
slouken@7191
   805
            EnumJoysticksCallback,
slouken@7191
   806
            &pCurList, DIEDFL_ATTACHEDONLY);
slouken@6707
   807
icculus@7707
   808
        SDL_free(SDL_RawDevList);  /* in case we used this in DirectInput enumerator. */
icculus@7706
   809
        SDL_RawDevList = NULL;
icculus@7707
   810
        SDL_RawDevListCount = 0;
icculus@7706
   811
icculus@7712
   812
        /* Look for XInput devices. Do this last, so they're first in the final list. */
icculus@7712
   813
        EnumXInputDevices(&pCurList);
icculus@7712
   814
slouken@7191
   815
        SDL_UnlockMutex( s_mutexJoyStickEnum );
slouken@7191
   816
    }
slouken@7191
   817
slouken@7191
   818
    if ( pCurList )
slouken@7191
   819
    {
slouken@7191
   820
        while ( pCurList )
slouken@7191
   821
        {
slouken@7191
   822
            JoyStick_DeviceData *pListNext = NULL;
slouken@6707
   823
#if !SDL_EVENTS_DISABLED
slouken@7191
   824
            SDL_Event event;
slouken@7191
   825
            event.type = SDL_JOYDEVICEREMOVED;
slouken@6707
   826
slouken@7191
   827
            if (SDL_GetEventState(event.type) == SDL_ENABLE) {
slouken@7191
   828
                event.jdevice.which = pCurList->nInstanceID;
slouken@7191
   829
                if ((SDL_EventOK == NULL)
slouken@7191
   830
                    || (*SDL_EventOK) (SDL_EventOKParam, &event)) {
slouken@7191
   831
                        SDL_PushEvent(&event);
slouken@7191
   832
                }
slouken@7191
   833
            }
slouken@7191
   834
#endif /* !SDL_EVENTS_DISABLED */
slouken@6707
   835
slouken@7191
   836
            pListNext = pCurList->pNext;
slouken@7191
   837
            SDL_free(pCurList->joystickname);
slouken@7719
   838
            SDL_free(pCurList);
slouken@7191
   839
            pCurList = pListNext;
slouken@7191
   840
        }
slouken@6707
   841
slouken@7191
   842
    }
slouken@6707
   843
slouken@7191
   844
    if ( s_bDeviceAdded )
slouken@7191
   845
    {
slouken@7191
   846
        JoyStick_DeviceData *pNewJoystick;
slouken@7191
   847
        int device_index = 0;
slouken@7191
   848
        s_bDeviceAdded = SDL_FALSE;
slouken@7191
   849
        pNewJoystick = SYS_Joystick;
slouken@7191
   850
        while ( pNewJoystick )
slouken@7191
   851
        {
slouken@7191
   852
            if ( pNewJoystick->send_add_event )
slouken@7191
   853
            {
slouken@6707
   854
#if !SDL_EVENTS_DISABLED
slouken@7191
   855
                SDL_Event event;
slouken@7191
   856
                event.type = SDL_JOYDEVICEADDED;
slouken@6707
   857
slouken@7191
   858
                if (SDL_GetEventState(event.type) == SDL_ENABLE) {
slouken@7191
   859
                    event.jdevice.which = device_index;
slouken@7191
   860
                    if ((SDL_EventOK == NULL)
slouken@7191
   861
                        || (*SDL_EventOK) (SDL_EventOKParam, &event)) {
slouken@7191
   862
                            SDL_PushEvent(&event);
slouken@7191
   863
                    }
slouken@7191
   864
                }
slouken@6707
   865
#endif /* !SDL_EVENTS_DISABLED */
slouken@7191
   866
                pNewJoystick->send_add_event = 0;
slouken@7191
   867
            }
slouken@7191
   868
            device_index++;
slouken@7191
   869
            pNewJoystick = pNewJoystick->pNext;
slouken@7191
   870
        }
slouken@7191
   871
    }
slouken@6707
   872
}
slouken@6707
   873
slouken@6707
   874
/* we need to poll if we have pending hotplug device changes or connected devices */
slouken@6707
   875
SDL_bool SDL_SYS_JoystickNeedsPolling()
slouken@6707
   876
{
slouken@7191
   877
    /* we have a new device or one was pulled, we need to think this frame please */
slouken@7191
   878
    if ( s_bDeviceAdded || s_bDeviceRemoved )
slouken@7191
   879
        return SDL_TRUE;
slouken@6707
   880
slouken@7191
   881
    return SDL_FALSE;
slouken@6707
   882
}
slouken@6707
   883
slouken@1895
   884
/* Function to get the device-dependent name of a joystick */
slouken@1895
   885
const char *
slouken@6707
   886
SDL_SYS_JoystickNameForDeviceIndex(int device_index)
slouken@1895
   887
{
slouken@7191
   888
    JoyStick_DeviceData *device = SYS_Joystick;
slouken@6690
   889
slouken@7191
   890
    for (; device_index > 0; device_index--)
slouken@7191
   891
        device = device->pNext;
slouken@6690
   892
slouken@7191
   893
    return device->joystickname;
slouken@1895
   894
}
slouken@1895
   895
slouken@6707
   896
/* Function to perform the mapping between current device instance and this joysticks instance id */
slouken@6707
   897
SDL_JoystickID SDL_SYS_GetInstanceIdOfDeviceIndex(int device_index)
slouken@6707
   898
{
slouken@7191
   899
    JoyStick_DeviceData *device = SYS_Joystick;
slouken@7191
   900
    int index;
slouken@6707
   901
slouken@7191
   902
    for (index = device_index; index > 0; index--)
slouken@7191
   903
        device = device->pNext;
slouken@6707
   904
slouken@7191
   905
    return device->nInstanceID;
slouken@6707
   906
}
slouken@6707
   907
slouken@1895
   908
/* Function to open a joystick for use.
slouken@1895
   909
   The joystick to open is specified by the index field of the joystick.
slouken@1895
   910
   This should fill the nbuttons and naxes fields of the joystick structure.
slouken@1895
   911
   It returns 0, or -1 if there is an error.
slouken@1895
   912
 */
slouken@1895
   913
int
slouken@6690
   914
SDL_SYS_JoystickOpen(SDL_Joystick * joystick, int device_index)
slouken@1895
   915
{
slouken@1895
   916
    HRESULT result;
slouken@7191
   917
    JoyStick_DeviceData *joystickdevice = SYS_Joystick;
slouken@6690
   918
slouken@7191
   919
    for (; device_index > 0; device_index--)
slouken@7191
   920
        joystickdevice = joystickdevice->pNext;
slouken@2198
   921
slouken@1895
   922
    /* allocate memory for system specific hardware data */
slouken@7191
   923
    joystick->instance_id = joystickdevice->nInstanceID;
urkle@6965
   924
    joystick->closed = 0;
slouken@1895
   925
    joystick->hwdata =
slouken@2713
   926
        (struct joystick_hwdata *) SDL_malloc(sizeof(struct joystick_hwdata));
slouken@1895
   927
    if (joystick->hwdata == NULL) {
icculus@7037
   928
        return SDL_OutOfMemory();
slouken@1895
   929
    }
icculus@7707
   930
    SDL_zerop(joystick->hwdata);
slouken@1895
   931
icculus@7707
   932
    if (joystickdevice->bXInputDevice) {
icculus@7707
   933
        const SDL_bool bIs14OrLater = (SDL_XInputVersion >= ((1<<16)|4));
icculus@7707
   934
        const Uint8 userId = joystickdevice->XInputUserId;
slouken@7191
   935
        XINPUT_CAPABILITIES capabilities;
slouken@1895
   936
icculus@7707
   937
        SDL_assert(s_bXInputEnabled);
icculus@7707
   938
        SDL_assert(XINPUTGETCAPABILITIES);
icculus@7707
   939
        SDL_assert(userId >= 0);
icculus@7707
   940
        SDL_assert(userId < SDL_XINPUT_MAX_DEVICES);
slouken@2198
   941
icculus@7707
   942
        joystick->hwdata->bXInputDevice = SDL_TRUE;
slouken@7684
   943
icculus@7707
   944
        if (XINPUTGETCAPABILITIES(userId, XINPUT_FLAG_GAMEPAD, &capabilities) != ERROR_SUCCESS) {
icculus@7707
   945
            SDL_free(joystick->hwdata);
icculus@7707
   946
            joystick->hwdata = NULL;
icculus@7707
   947
            return SDL_SetError("Failed to obtain XInput device capabilities. Device disconnected?");
icculus@7707
   948
        } else {
icculus@7707
   949
            /* Current version of XInput mistakenly returns 0 as the Type. Ignore it and ensure the subtype is a gamepad. */
icculus@7707
   950
            SDL_assert(capabilities.SubType == XINPUT_DEVSUBTYPE_GAMEPAD);
icculus@7707
   951
            if ((!bIs14OrLater) || (capabilities.Flags & XINPUT_CAPS_FFB_SUPPORTED)) {
icculus@7707
   952
                joystick->hwdata->bXInputHaptic = SDL_TRUE;
icculus@7707
   953
            }
icculus@7707
   954
            joystick->hwdata->userid = userId;
slouken@7684
   955
icculus@7707
   956
            /* The XInput API has a hard coded button/axis mapping, so we just match it */
icculus@7707
   957
            joystick->naxes = 6;
icculus@7707
   958
            joystick->nbuttons = 15;
icculus@7707
   959
            joystick->nballs = 0;
icculus@7707
   960
            joystick->nhats = 0;
icculus@7707
   961
		}
icculus@7707
   962
    } else {  /* use DirectInput, not XInput. */
icculus@7707
   963
        LPDIRECTINPUTDEVICE8 device;
icculus@7707
   964
        DIPROPDWORD dipdw;
slouken@1895
   965
icculus@7707
   966
        joystick->hwdata->buffered = 1;
icculus@7707
   967
        joystick->hwdata->removed = 0;
icculus@7707
   968
        joystick->hwdata->Capabilities.dwSize = sizeof(DIDEVCAPS);
icculus@7707
   969
        joystick->hwdata->guid = joystickdevice->guid;
icculus@7707
   970
icculus@7707
   971
        SDL_zero(dipdw);
icculus@7707
   972
        dipdw.diph.dwSize = sizeof(DIPROPDWORD);
icculus@7707
   973
        dipdw.diph.dwHeaderSize = sizeof(DIPROPHEADER);
slouken@1895
   974
slouken@7191
   975
        result =
slouken@7191
   976
            IDirectInput8_CreateDevice(dinput,
slouken@7191
   977
                                      &(joystickdevice->dxdevice.guidInstance), &device, NULL);
slouken@7191
   978
        if (FAILED(result)) {
slouken@7191
   979
            return SetDIerror("IDirectInput::CreateDevice", result);
slouken@7191
   980
        }
slouken@1895
   981
slouken@7191
   982
        /* Now get the IDirectInputDevice8 interface, instead. */
slouken@7191
   983
        result = IDirectInputDevice8_QueryInterface(device,
slouken@7191
   984
                                                   &IID_IDirectInputDevice8,
slouken@7191
   985
                                                   (LPVOID *) & joystick->
slouken@7191
   986
                                                   hwdata->InputDevice);
slouken@7191
   987
        /* We are done with this object.  Use the stored one from now on. */
slouken@7191
   988
        IDirectInputDevice8_Release(device);
slouken@1895
   989
slouken@7191
   990
        if (FAILED(result)) {
slouken@7191
   991
            return SetDIerror("IDirectInputDevice8::QueryInterface", result);
slouken@7191
   992
        }
slouken@2198
   993
slouken@7191
   994
        /* Acquire shared access. Exclusive access is required for forces,
slouken@7191
   995
         * though. */
slouken@7191
   996
        result =
slouken@7191
   997
            IDirectInputDevice8_SetCooperativeLevel(joystick->hwdata->
slouken@7191
   998
                                                    InputDevice, SDL_HelperWindow,
slouken@7191
   999
                                                    DISCL_NONEXCLUSIVE |
slouken@7191
  1000
                                                    DISCL_BACKGROUND);
slouken@7191
  1001
        if (FAILED(result)) {
slouken@7191
  1002
            return SetDIerror("IDirectInputDevice8::SetCooperativeLevel", result);
slouken@7191
  1003
        }
slouken@2198
  1004
slouken@7191
  1005
        /* Use the extended data structure: DIJOYSTATE2. */
slouken@7191
  1006
        result =
slouken@7191
  1007
            IDirectInputDevice8_SetDataFormat(joystick->hwdata->InputDevice,
slouken@7191
  1008
                                              &c_dfDIJoystick2);
slouken@7191
  1009
        if (FAILED(result)) {
slouken@7191
  1010
            return SetDIerror("IDirectInputDevice8::SetDataFormat", result);
slouken@7191
  1011
        }
slouken@2198
  1012
slouken@7191
  1013
        /* Get device capabilities */
slouken@7191
  1014
        result =
slouken@7191
  1015
            IDirectInputDevice8_GetCapabilities(joystick->hwdata->InputDevice,
slouken@7191
  1016
                                                &joystick->hwdata->Capabilities);
slouken@2198
  1017
slouken@7191
  1018
        if (FAILED(result)) {
slouken@7191
  1019
            return SetDIerror("IDirectInputDevice8::GetCapabilities", result);
slouken@7191
  1020
        }
slouken@2198
  1021
slouken@7191
  1022
        /* Force capable? */
slouken@7191
  1023
        if (joystick->hwdata->Capabilities.dwFlags & DIDC_FORCEFEEDBACK) {
slouken@2198
  1024
slouken@7191
  1025
            result = IDirectInputDevice8_Acquire(joystick->hwdata->InputDevice);
slouken@2198
  1026
slouken@7191
  1027
            if (FAILED(result)) {
slouken@7191
  1028
                return SetDIerror("IDirectInputDevice8::Acquire", result);
slouken@7191
  1029
            }
slouken@2198
  1030
slouken@7191
  1031
            /* reset all accuators. */
slouken@7191
  1032
            result =
slouken@7191
  1033
                IDirectInputDevice8_SendForceFeedbackCommand(joystick->hwdata->
slouken@7191
  1034
                                                             InputDevice,
slouken@7191
  1035
                                                             DISFFC_RESET);
slouken@2198
  1036
slouken@7191
  1037
            /* Not necessarily supported, ignore if not supported.
slouken@7191
  1038
            if (FAILED(result)) {
slouken@7191
  1039
                return SetDIerror("IDirectInputDevice8::SendForceFeedbackCommand", result);
slouken@7191
  1040
            }
slouken@7191
  1041
            */
slouken@1895
  1042
slouken@7191
  1043
            result = IDirectInputDevice8_Unacquire(joystick->hwdata->InputDevice);
slouken@1895
  1044
slouken@7191
  1045
            if (FAILED(result)) {
slouken@7191
  1046
                return SetDIerror("IDirectInputDevice8::Unacquire", result);
slouken@7191
  1047
            }
slouken@2198
  1048
slouken@7191
  1049
            /* Turn on auto-centering for a ForceFeedback device (until told
slouken@7191
  1050
             * otherwise). */
slouken@7191
  1051
            dipdw.diph.dwObj = 0;
slouken@7191
  1052
            dipdw.diph.dwHow = DIPH_DEVICE;
slouken@7191
  1053
            dipdw.dwData = DIPROPAUTOCENTER_ON;
slouken@6220
  1054
slouken@7191
  1055
            result =
slouken@7191
  1056
                IDirectInputDevice8_SetProperty(joystick->hwdata->InputDevice,
slouken@7191
  1057
                                                DIPROP_AUTOCENTER, &dipdw.diph);
slouken@2198
  1058
slouken@7191
  1059
            /* Not necessarily supported, ignore if not supported.
slouken@7191
  1060
            if (FAILED(result)) {
slouken@7191
  1061
                return SetDIerror("IDirectInputDevice8::SetProperty", result);
slouken@7191
  1062
            }
slouken@7191
  1063
            */
slouken@7191
  1064
        }
slouken@2198
  1065
slouken@7191
  1066
        /* What buttons and axes does it have? */
slouken@7191
  1067
        IDirectInputDevice8_EnumObjects(joystick->hwdata->InputDevice,
slouken@7191
  1068
                                        EnumDevObjectsCallback, joystick,
slouken@7191
  1069
                                        DIDFT_BUTTON | DIDFT_AXIS | DIDFT_POV);
slouken@2198
  1070
slouken@7191
  1071
        /* Reorder the input objects. Some devices do not report the X axis as
slouken@7191
  1072
         * the first axis, for example. */
slouken@7191
  1073
        SortDevObjects(joystick);
slouken@6690
  1074
slouken@7191
  1075
        dipdw.diph.dwObj = 0;
slouken@7191
  1076
        dipdw.diph.dwHow = DIPH_DEVICE;
slouken@7191
  1077
        dipdw.dwData = INPUT_QSIZE;
slouken@6690
  1078
slouken@7191
  1079
        /* Set the buffer size */
slouken@7191
  1080
        result =
slouken@7191
  1081
            IDirectInputDevice8_SetProperty(joystick->hwdata->InputDevice,
slouken@7191
  1082
                                            DIPROP_BUFFERSIZE, &dipdw.diph);
slouken@6690
  1083
slouken@7191
  1084
        if (result == DI_POLLEDDEVICE) {
slouken@7191
  1085
            /* This device doesn't support buffering, so we're forced
slouken@7191
  1086
             * to use less reliable polling. */
slouken@7191
  1087
            joystick->hwdata->buffered = 0;
slouken@7191
  1088
        } else if (FAILED(result)) {
slouken@7191
  1089
            return SetDIerror("IDirectInputDevice8::SetProperty", result);
slouken@7191
  1090
        }
slouken@7191
  1091
    }
slouken@1895
  1092
    return (0);
slouken@1895
  1093
}
slouken@1895
  1094
slouken@6707
  1095
/* return true if this joystick is plugged in right now */
slouken@6707
  1096
SDL_bool SDL_SYS_JoystickAttached( SDL_Joystick * joystick )
slouken@6707
  1097
{
slouken@7191
  1098
    return joystick->closed == 0 && joystick->hwdata->removed == 0;
slouken@6707
  1099
}
slouken@6707
  1100
slouken@6707
  1101
slouken@6220
  1102
/* Sort using the data offset into the DInput struct.
slouken@6220
  1103
 * This gives a reasonable ordering for the inputs. */
slouken@6220
  1104
static int
slouken@6220
  1105
SortDevFunc(const void *a, const void *b)
slouken@6220
  1106
{
slouken@7191
  1107
    const input_t *inputA = (const input_t*)a;
slouken@7191
  1108
    const input_t *inputB = (const input_t*)b;
slouken@6220
  1109
slouken@7191
  1110
    if (inputA->ofs < inputB->ofs)
slouken@7191
  1111
        return -1;
slouken@7191
  1112
    if (inputA->ofs > inputB->ofs)
slouken@7191
  1113
        return 1;
slouken@7191
  1114
    return 0;
slouken@6220
  1115
}
slouken@6220
  1116
slouken@6220
  1117
/* Sort the input objects and recalculate the indices for each input. */
slouken@6220
  1118
static void
slouken@6220
  1119
SortDevObjects(SDL_Joystick *joystick)
slouken@6220
  1120
{
slouken@7191
  1121
    input_t *inputs = joystick->hwdata->Inputs;
slouken@7191
  1122
    int nButtons = 0;
slouken@7191
  1123
    int nHats = 0;
slouken@7191
  1124
    int nAxis = 0;
slouken@7191
  1125
    int n;
slouken@6220
  1126
slouken@7191
  1127
    SDL_qsort(inputs, joystick->hwdata->NumInputs, sizeof(input_t), SortDevFunc);
slouken@6220
  1128
slouken@7191
  1129
    for (n = 0; n < joystick->hwdata->NumInputs; n++)
slouken@7191
  1130
    {
slouken@7191
  1131
        switch (inputs[n].type)
slouken@7191
  1132
        {
slouken@7191
  1133
        case BUTTON:
slouken@7191
  1134
            inputs[n].num = nButtons;
slouken@7191
  1135
            nButtons++;
slouken@7191
  1136
            break;
slouken@6220
  1137
slouken@7191
  1138
        case HAT:
slouken@7191
  1139
            inputs[n].num = nHats;
slouken@7191
  1140
            nHats++;
slouken@7191
  1141
            break;
slouken@6220
  1142
slouken@7191
  1143
        case AXIS:
slouken@7191
  1144
            inputs[n].num = nAxis;
slouken@7191
  1145
            nAxis++;
slouken@7191
  1146
            break;
slouken@7191
  1147
        }
slouken@7191
  1148
    }
slouken@6220
  1149
}
slouken@6220
  1150
slouken@2198
  1151
static BOOL CALLBACK
slouken@2198
  1152
EnumDevObjectsCallback(LPCDIDEVICEOBJECTINSTANCE dev, LPVOID pvRef)
slouken@2198
  1153
{
slouken@2198
  1154
    SDL_Joystick *joystick = (SDL_Joystick *) pvRef;
slouken@2198
  1155
    HRESULT result;
slouken@2198
  1156
    input_t *in = &joystick->hwdata->Inputs[joystick->hwdata->NumInputs];
slouken@2198
  1157
slouken@2198
  1158
    if (dev->dwType & DIDFT_BUTTON) {
slouken@2198
  1159
        in->type = BUTTON;
slouken@2198
  1160
        in->num = joystick->nbuttons;
slouken@7191
  1161
        in->ofs = DIJOFS_BUTTON( in->num );
slouken@2198
  1162
        joystick->nbuttons++;
slouken@2198
  1163
    } else if (dev->dwType & DIDFT_POV) {
slouken@2198
  1164
        in->type = HAT;
slouken@2198
  1165
        in->num = joystick->nhats;
slouken@7191
  1166
        in->ofs = DIJOFS_POV( in->num );
slouken@2198
  1167
        joystick->nhats++;
slouken@2198
  1168
    } else if (dev->dwType & DIDFT_AXIS) {
slouken@2198
  1169
        DIPROPRANGE diprg;
slouken@2198
  1170
        DIPROPDWORD dilong;
slouken@2198
  1171
slouken@2198
  1172
        in->type = AXIS;
slouken@2198
  1173
        in->num = joystick->naxes;
slouken@7191
  1174
        /* work our the axis this guy maps too, thanks for the code icculus! */
slouken@7191
  1175
        if ( !SDL_memcmp( &dev->guidType, &GUID_XAxis, sizeof(dev->guidType) ) )
slouken@7191
  1176
            in->ofs = DIJOFS_X;
slouken@7191
  1177
        else if ( !SDL_memcmp( &dev->guidType, &GUID_YAxis, sizeof(dev->guidType) ) )
slouken@7191
  1178
            in->ofs = DIJOFS_Y;
slouken@7191
  1179
        else if ( !SDL_memcmp( &dev->guidType, &GUID_ZAxis, sizeof(dev->guidType) ) )
slouken@7191
  1180
            in->ofs = DIJOFS_Z;
slouken@7191
  1181
        else if ( !SDL_memcmp( &dev->guidType, &GUID_RxAxis, sizeof(dev->guidType) ) )
slouken@7191
  1182
            in->ofs = DIJOFS_RX;
slouken@7191
  1183
        else if ( !SDL_memcmp( &dev->guidType, &GUID_RyAxis, sizeof(dev->guidType) ) )
slouken@7191
  1184
            in->ofs = DIJOFS_RY;
slouken@7191
  1185
        else if ( !SDL_memcmp( &dev->guidType, &GUID_RzAxis, sizeof(dev->guidType) ) )
slouken@7191
  1186
            in->ofs = DIJOFS_RZ;
slouken@7191
  1187
        else if ( !SDL_memcmp( &dev->guidType, &GUID_Slider, sizeof(dev->guidType) ) )
slouken@7191
  1188
        {
slouken@7191
  1189
            in->ofs = DIJOFS_SLIDER( joystick->hwdata->NumSliders );
slouken@7191
  1190
            ++joystick->hwdata->NumSliders;
slouken@7191
  1191
        }
slouken@7191
  1192
        else
slouken@7191
  1193
        {
slouken@7191
  1194
             return DIENUM_CONTINUE; /* not an axis we can grok */
slouken@7191
  1195
        }
slouken@2198
  1196
slouken@2198
  1197
        diprg.diph.dwSize = sizeof(diprg);
slouken@2198
  1198
        diprg.diph.dwHeaderSize = sizeof(diprg.diph);
slouken@6690
  1199
        diprg.diph.dwObj = dev->dwType;
slouken@6690
  1200
        diprg.diph.dwHow = DIPH_BYID;
slouken@2198
  1201
        diprg.lMin = AXIS_MIN;
slouken@2198
  1202
        diprg.lMax = AXIS_MAX;
slouken@2198
  1203
slouken@2198
  1204
        result =
slouken@6690
  1205
            IDirectInputDevice8_SetProperty(joystick->hwdata->InputDevice,
slouken@2198
  1206
                                            DIPROP_RANGE, &diprg.diph);
slouken@2198
  1207
        if (FAILED(result)) {
slouken@2198
  1208
            return DIENUM_CONTINUE;     /* don't use this axis */
slouken@2198
  1209
        }
slouken@2198
  1210
slouken@2198
  1211
        /* Set dead zone to 0. */
slouken@2198
  1212
        dilong.diph.dwSize = sizeof(dilong);
slouken@2198
  1213
        dilong.diph.dwHeaderSize = sizeof(dilong.diph);
slouken@6690
  1214
        dilong.diph.dwObj = dev->dwType;
slouken@6690
  1215
        dilong.diph.dwHow = DIPH_BYID;
slouken@2198
  1216
        dilong.dwData = 0;
slouken@2198
  1217
        result =
slouken@6690
  1218
            IDirectInputDevice8_SetProperty(joystick->hwdata->InputDevice,
slouken@2198
  1219
                                            DIPROP_DEADZONE, &dilong.diph);
slouken@2198
  1220
        if (FAILED(result)) {
slouken@2198
  1221
            return DIENUM_CONTINUE;     /* don't use this axis */
slouken@2198
  1222
        }
slouken@2198
  1223
slouken@2198
  1224
        joystick->naxes++;
slouken@2198
  1225
    } else {
slouken@2198
  1226
        /* not supported at this time */
slouken@2198
  1227
        return DIENUM_CONTINUE;
slouken@2198
  1228
    }
slouken@2198
  1229
slouken@2198
  1230
    joystick->hwdata->NumInputs++;
slouken@2198
  1231
slouken@2198
  1232
    if (joystick->hwdata->NumInputs == MAX_INPUTS) {
slouken@2198
  1233
        return DIENUM_STOP;     /* too many */
slouken@2198
  1234
    }
slouken@2198
  1235
slouken@2198
  1236
    return DIENUM_CONTINUE;
slouken@2198
  1237
}
slouken@2198
  1238
slouken@2198
  1239
/* Function to update the state of a joystick - called as a device poll.
slouken@2198
  1240
 * This function shouldn't update the joystick structure directly,
slouken@2198
  1241
 * but instead should call SDL_PrivateJoystick*() to deliver events
slouken@2198
  1242
 * and update joystick device state.
slouken@2198
  1243
 */
slouken@2198
  1244
void
slouken@2198
  1245
SDL_SYS_JoystickUpdate_Polled(SDL_Joystick * joystick)
slouken@2198
  1246
{
slouken@2198
  1247
    DIJOYSTATE2 state;
slouken@2198
  1248
    HRESULT result;
slouken@2198
  1249
    int i;
slouken@2198
  1250
slouken@2198
  1251
    result =
slouken@6690
  1252
        IDirectInputDevice8_GetDeviceState(joystick->hwdata->InputDevice,
slouken@2198
  1253
                                           sizeof(DIJOYSTATE2), &state);
slouken@2198
  1254
    if (result == DIERR_INPUTLOST || result == DIERR_NOTACQUIRED) {
slouken@6690
  1255
        IDirectInputDevice8_Acquire(joystick->hwdata->InputDevice);
slouken@2198
  1256
        result =
slouken@6690
  1257
            IDirectInputDevice8_GetDeviceState(joystick->hwdata->InputDevice,
slouken@2198
  1258
                                               sizeof(DIJOYSTATE2), &state);
slouken@2198
  1259
    }
slouken@2198
  1260
slouken@7191
  1261
    if ( result != DI_OK )
slouken@7191
  1262
    {
slouken@7191
  1263
        joystick->hwdata->send_remove_event = 1;
slouken@7191
  1264
        joystick->hwdata->removed = 1;
slouken@7191
  1265
        return;
slouken@7191
  1266
    }
slouken@6690
  1267
slouken@2198
  1268
    /* Set each known axis, button and POV. */
slouken@2198
  1269
    for (i = 0; i < joystick->hwdata->NumInputs; ++i) {
slouken@2198
  1270
        const input_t *in = &joystick->hwdata->Inputs[i];
slouken@2198
  1271
slouken@2198
  1272
        switch (in->type) {
slouken@2198
  1273
        case AXIS:
slouken@2198
  1274
            switch (in->ofs) {
slouken@2198
  1275
            case DIJOFS_X:
slouken@2198
  1276
                SDL_PrivateJoystickAxis_Int(joystick, in->num,
slouken@2198
  1277
                                            (Sint16) state.lX);
slouken@2198
  1278
                break;
slouken@2198
  1279
            case DIJOFS_Y:
slouken@2198
  1280
                SDL_PrivateJoystickAxis_Int(joystick, in->num,
slouken@2198
  1281
                                            (Sint16) state.lY);
slouken@2198
  1282
                break;
slouken@2198
  1283
            case DIJOFS_Z:
slouken@2198
  1284
                SDL_PrivateJoystickAxis_Int(joystick, in->num,
slouken@2198
  1285
                                            (Sint16) state.lZ);
slouken@2198
  1286
                break;
slouken@2198
  1287
            case DIJOFS_RX:
slouken@2198
  1288
                SDL_PrivateJoystickAxis_Int(joystick, in->num,
slouken@2198
  1289
                                            (Sint16) state.lRx);
slouken@2198
  1290
                break;
slouken@2198
  1291
            case DIJOFS_RY:
slouken@2198
  1292
                SDL_PrivateJoystickAxis_Int(joystick, in->num,
slouken@2198
  1293
                                            (Sint16) state.lRy);
slouken@2198
  1294
                break;
slouken@2198
  1295
            case DIJOFS_RZ:
slouken@2198
  1296
                SDL_PrivateJoystickAxis_Int(joystick, in->num,
slouken@2198
  1297
                                            (Sint16) state.lRz);
slouken@2198
  1298
                break;
slouken@2198
  1299
            case DIJOFS_SLIDER(0):
slouken@2198
  1300
                SDL_PrivateJoystickAxis_Int(joystick, in->num,
slouken@2198
  1301
                                            (Sint16) state.rglSlider[0]);
slouken@2198
  1302
                break;
slouken@2198
  1303
            case DIJOFS_SLIDER(1):
slouken@2198
  1304
                SDL_PrivateJoystickAxis_Int(joystick, in->num,
slouken@2198
  1305
                                            (Sint16) state.rglSlider[1]);
slouken@2198
  1306
                break;
slouken@2198
  1307
            }
slouken@2198
  1308
slouken@2198
  1309
            break;
slouken@2198
  1310
slouken@2198
  1311
        case BUTTON:
slouken@2198
  1312
            SDL_PrivateJoystickButton_Int(joystick, in->num,
slouken@3013
  1313
                                          (Uint8) (state.
slouken@3013
  1314
                                                   rgbButtons[in->ofs -
slouken@3013
  1315
                                                              DIJOFS_BUTTON0]
slouken@2198
  1316
                                                   ? SDL_PRESSED :
slouken@2198
  1317
                                                   SDL_RELEASED));
slouken@2198
  1318
            break;
slouken@2198
  1319
        case HAT:
slouken@2198
  1320
            {
slouken@2198
  1321
                Uint8 pos = TranslatePOV(state.rgdwPOV[in->ofs -
slouken@2198
  1322
                                                       DIJOFS_POV(0)]);
slouken@2198
  1323
                SDL_PrivateJoystickHat_Int(joystick, in->num, pos);
slouken@2198
  1324
                break;
slouken@2198
  1325
            }
slouken@2198
  1326
        }
slouken@2198
  1327
    }
slouken@2198
  1328
}
slouken@2198
  1329
slouken@2198
  1330
void
slouken@2198
  1331
SDL_SYS_JoystickUpdate_Buffered(SDL_Joystick * joystick)
slouken@2198
  1332
{
slouken@2198
  1333
    int i;
slouken@2198
  1334
    HRESULT result;
slouken@2198
  1335
    DWORD numevents;
slouken@2198
  1336
    DIDEVICEOBJECTDATA evtbuf[INPUT_QSIZE];
slouken@2198
  1337
slouken@2198
  1338
    numevents = INPUT_QSIZE;
slouken@2198
  1339
    result =
slouken@6690
  1340
        IDirectInputDevice8_GetDeviceData(joystick->hwdata->InputDevice,
slouken@2198
  1341
                                          sizeof(DIDEVICEOBJECTDATA), evtbuf,
slouken@2198
  1342
                                          &numevents, 0);
slouken@2198
  1343
    if (result == DIERR_INPUTLOST || result == DIERR_NOTACQUIRED) {
slouken@6690
  1344
        IDirectInputDevice8_Acquire(joystick->hwdata->InputDevice);
slouken@2198
  1345
        result =
slouken@6690
  1346
            IDirectInputDevice8_GetDeviceData(joystick->hwdata->InputDevice,
slouken@2198
  1347
                                              sizeof(DIDEVICEOBJECTDATA),
slouken@2198
  1348
                                              evtbuf, &numevents, 0);
slouken@2198
  1349
    }
slouken@2198
  1350
slouken@2198
  1351
    /* Handle the events or punt */
slouken@2198
  1352
    if (FAILED(result))
slouken@7191
  1353
    {
slouken@7191
  1354
        joystick->hwdata->send_remove_event = 1;
slouken@7191
  1355
        joystick->hwdata->removed = 1;
slouken@2198
  1356
        return;
slouken@7191
  1357
    }
slouken@2198
  1358
slouken@2198
  1359
    for (i = 0; i < (int) numevents; ++i) {
slouken@2198
  1360
        int j;
slouken@2198
  1361
slouken@2198
  1362
        for (j = 0; j < joystick->hwdata->NumInputs; ++j) {
slouken@2198
  1363
            const input_t *in = &joystick->hwdata->Inputs[j];
slouken@2198
  1364
slouken@2198
  1365
            if (evtbuf[i].dwOfs != in->ofs)
slouken@2198
  1366
                continue;
slouken@2198
  1367
slouken@2198
  1368
            switch (in->type) {
slouken@2198
  1369
            case AXIS:
slouken@2198
  1370
                SDL_PrivateJoystickAxis(joystick, in->num,
slouken@2198
  1371
                                        (Sint16) evtbuf[i].dwData);
slouken@2198
  1372
                break;
slouken@2198
  1373
            case BUTTON:
slouken@2198
  1374
                SDL_PrivateJoystickButton(joystick, in->num,
slouken@3013
  1375
                                          (Uint8) (evtbuf[i].
slouken@3013
  1376
                                                   dwData ? SDL_PRESSED :
slouken@2198
  1377
                                                   SDL_RELEASED));
slouken@2198
  1378
                break;
slouken@2198
  1379
            case HAT:
slouken@2198
  1380
                {
slouken@2198
  1381
                    Uint8 pos = TranslatePOV(evtbuf[i].dwData);
slouken@2198
  1382
                    SDL_PrivateJoystickHat(joystick, in->num, pos);
slouken@2198
  1383
                }
slouken@2198
  1384
            }
slouken@2198
  1385
        }
slouken@2198
  1386
    }
slouken@2198
  1387
}
slouken@2198
  1388
slouken@2198
  1389
slouken@6690
  1390
/* Function to return > 0 if a bit array of buttons differs after applying a mask
slouken@6690
  1391
*/
slouken@6690
  1392
int ButtonChanged( int ButtonsNow, int ButtonsPrev, int ButtonMask )
slouken@6690
  1393
{
slouken@7191
  1394
    return ( ButtonsNow & ButtonMask ) != ( ButtonsPrev & ButtonMask );
slouken@6690
  1395
}
slouken@6690
  1396
slouken@6690
  1397
/* Function to update the state of a XInput style joystick.
slouken@6690
  1398
*/
slouken@6690
  1399
void
slouken@6690
  1400
SDL_SYS_JoystickUpdate_XInput(SDL_Joystick * joystick)
slouken@6690
  1401
{
slouken@7191
  1402
    HRESULT result;
slouken@6690
  1403
slouken@7191
  1404
    if ( !XINPUTGETSTATE )
slouken@7191
  1405
        return;
slouken@6690
  1406
slouken@7191
  1407
    result = XINPUTGETSTATE( joystick->hwdata->userid, &joystick->hwdata->XInputState[joystick->hwdata->currentXInputSlot] );
slouken@7191
  1408
    if ( result == ERROR_DEVICE_NOT_CONNECTED )
slouken@7191
  1409
    {
slouken@7191
  1410
        joystick->hwdata->send_remove_event = 1;
slouken@7191
  1411
        joystick->hwdata->removed = 1;
slouken@7191
  1412
        return;
slouken@7191
  1413
    }
slouken@6690
  1414
slouken@7191
  1415
    /* only fire events if the data changed from last time */
slouken@7191
  1416
    if ( joystick->hwdata->XInputState[joystick->hwdata->currentXInputSlot].dwPacketNumber != 0
slouken@7191
  1417
        && joystick->hwdata->XInputState[joystick->hwdata->currentXInputSlot].dwPacketNumber != joystick->hwdata->XInputState[joystick->hwdata->currentXInputSlot^1].dwPacketNumber )
slouken@7191
  1418
    {
slouken@7191
  1419
        XINPUT_STATE_EX *pXInputState = &joystick->hwdata->XInputState[joystick->hwdata->currentXInputSlot];
slouken@7191
  1420
        XINPUT_STATE_EX *pXInputStatePrev = &joystick->hwdata->XInputState[joystick->hwdata->currentXInputSlot ^ 1];
slouken@6690
  1421
slouken@7296
  1422
        SDL_PrivateJoystickAxis( joystick, 0, (Sint16)pXInputState->Gamepad.sThumbLX );
slouken@7321
  1423
        SDL_PrivateJoystickAxis( joystick, 1, (Sint16)(-SDL_max(-32767, pXInputState->Gamepad.sThumbLY)) );
slouken@7296
  1424
        SDL_PrivateJoystickAxis( joystick, 2, (Sint16)pXInputState->Gamepad.sThumbRX );
slouken@7321
  1425
        SDL_PrivateJoystickAxis( joystick, 3, (Sint16)(-SDL_max(-32767, pXInputState->Gamepad.sThumbRY)) );
slouken@7296
  1426
        SDL_PrivateJoystickAxis( joystick, 4, (Sint16)(((int)pXInputState->Gamepad.bLeftTrigger*65535/255) - 32768));
slouken@7296
  1427
        SDL_PrivateJoystickAxis( joystick, 5, (Sint16)(((int)pXInputState->Gamepad.bRightTrigger*65535/255) - 32768));
slouken@6690
  1428
slouken@7191
  1429
        if ( ButtonChanged( pXInputState->Gamepad.wButtons, pXInputStatePrev->Gamepad.wButtons, XINPUT_GAMEPAD_DPAD_UP ) )
slouken@7191
  1430
            SDL_PrivateJoystickButton(joystick, 0, pXInputState->Gamepad.wButtons & XINPUT_GAMEPAD_DPAD_UP ? SDL_PRESSED :  SDL_RELEASED );
slouken@7191
  1431
        if ( ButtonChanged( pXInputState->Gamepad.wButtons, pXInputStatePrev->Gamepad.wButtons, XINPUT_GAMEPAD_DPAD_DOWN ) )
slouken@7191
  1432
            SDL_PrivateJoystickButton(joystick, 1, pXInputState->Gamepad.wButtons & XINPUT_GAMEPAD_DPAD_DOWN ? SDL_PRESSED :    SDL_RELEASED );
slouken@7191
  1433
        if ( ButtonChanged( pXInputState->Gamepad.wButtons, pXInputStatePrev->Gamepad.wButtons, XINPUT_GAMEPAD_DPAD_LEFT ) )
slouken@7191
  1434
            SDL_PrivateJoystickButton(joystick, 2, pXInputState->Gamepad.wButtons & XINPUT_GAMEPAD_DPAD_LEFT ? SDL_PRESSED :    SDL_RELEASED );
slouken@7191
  1435
        if ( ButtonChanged( pXInputState->Gamepad.wButtons, pXInputStatePrev->Gamepad.wButtons, XINPUT_GAMEPAD_DPAD_RIGHT ) )
slouken@7191
  1436
            SDL_PrivateJoystickButton(joystick, 3, pXInputState->Gamepad.wButtons & XINPUT_GAMEPAD_DPAD_RIGHT ? SDL_PRESSED :   SDL_RELEASED );
slouken@7191
  1437
        if ( ButtonChanged( pXInputState->Gamepad.wButtons, pXInputStatePrev->Gamepad.wButtons, XINPUT_GAMEPAD_START ) )
slouken@7191
  1438
            SDL_PrivateJoystickButton(joystick, 4, pXInputState->Gamepad.wButtons & XINPUT_GAMEPAD_START ? SDL_PRESSED :    SDL_RELEASED );
slouken@7191
  1439
        if ( ButtonChanged( pXInputState->Gamepad.wButtons, pXInputStatePrev->Gamepad.wButtons, XINPUT_GAMEPAD_BACK ) )
slouken@7191
  1440
            SDL_PrivateJoystickButton(joystick, 5, pXInputState->Gamepad.wButtons & XINPUT_GAMEPAD_BACK ? SDL_PRESSED : SDL_RELEASED );
slouken@7191
  1441
        if ( ButtonChanged( pXInputState->Gamepad.wButtons, pXInputStatePrev->Gamepad.wButtons, XINPUT_GAMEPAD_LEFT_THUMB ) )
slouken@7191
  1442
            SDL_PrivateJoystickButton(joystick, 6, pXInputState->Gamepad.wButtons & XINPUT_GAMEPAD_LEFT_THUMB ? SDL_PRESSED :   SDL_RELEASED );
slouken@7191
  1443
        if ( ButtonChanged( pXInputState->Gamepad.wButtons, pXInputStatePrev->Gamepad.wButtons, XINPUT_GAMEPAD_RIGHT_THUMB ) )
slouken@7191
  1444
            SDL_PrivateJoystickButton(joystick, 7, pXInputState->Gamepad.wButtons & XINPUT_GAMEPAD_RIGHT_THUMB ? SDL_PRESSED :  SDL_RELEASED );
slouken@7191
  1445
        if ( ButtonChanged( pXInputState->Gamepad.wButtons, pXInputStatePrev->Gamepad.wButtons, XINPUT_GAMEPAD_LEFT_SHOULDER ) )
slouken@7191
  1446
            SDL_PrivateJoystickButton(joystick, 8, pXInputState->Gamepad.wButtons & XINPUT_GAMEPAD_LEFT_SHOULDER ? SDL_PRESSED :    SDL_RELEASED );
slouken@7191
  1447
        if ( ButtonChanged( pXInputState->Gamepad.wButtons, pXInputStatePrev->Gamepad.wButtons, XINPUT_GAMEPAD_RIGHT_SHOULDER ) )
slouken@7191
  1448
            SDL_PrivateJoystickButton(joystick, 9, pXInputState->Gamepad.wButtons & XINPUT_GAMEPAD_RIGHT_SHOULDER ? SDL_PRESSED :   SDL_RELEASED );
slouken@7191
  1449
        if ( ButtonChanged( pXInputState->Gamepad.wButtons, pXInputStatePrev->Gamepad.wButtons, XINPUT_GAMEPAD_A ) )
slouken@7191
  1450
            SDL_PrivateJoystickButton(joystick, 10, pXInputState->Gamepad.wButtons & XINPUT_GAMEPAD_A ? SDL_PRESSED :   SDL_RELEASED );
slouken@7191
  1451
        if ( ButtonChanged( pXInputState->Gamepad.wButtons, pXInputStatePrev->Gamepad.wButtons, XINPUT_GAMEPAD_B ) )
slouken@7191
  1452
            SDL_PrivateJoystickButton(joystick, 11, pXInputState->Gamepad.wButtons & XINPUT_GAMEPAD_B ? SDL_PRESSED :   SDL_RELEASED );
slouken@7191
  1453
        if ( ButtonChanged( pXInputState->Gamepad.wButtons, pXInputStatePrev->Gamepad.wButtons, XINPUT_GAMEPAD_X ) )
slouken@7191
  1454
            SDL_PrivateJoystickButton(joystick, 12, pXInputState->Gamepad.wButtons & XINPUT_GAMEPAD_X ? SDL_PRESSED :   SDL_RELEASED );
slouken@7191
  1455
        if ( ButtonChanged( pXInputState->Gamepad.wButtons, pXInputStatePrev->Gamepad.wButtons, XINPUT_GAMEPAD_Y ) )
slouken@7191
  1456
            SDL_PrivateJoystickButton(joystick, 13, pXInputState->Gamepad.wButtons & XINPUT_GAMEPAD_Y ? SDL_PRESSED :   SDL_RELEASED );
slouken@7191
  1457
        if ( ButtonChanged( pXInputState->Gamepad.wButtons, pXInputStatePrev->Gamepad.wButtons,  0x400 ) )
slouken@7191
  1458
            SDL_PrivateJoystickButton(joystick, 14, pXInputState->Gamepad.wButtons & 0x400 ? SDL_PRESSED :  SDL_RELEASED ); /* 0x400 is the undocumented code for the guide button */
slouken@6690
  1459
slouken@7191
  1460
        joystick->hwdata->currentXInputSlot ^= 1;
slouken@6690
  1461
slouken@7191
  1462
    }
slouken@6690
  1463
}
slouken@6690
  1464
slouken@6690
  1465
slouken@1895
  1466
static Uint8
slouken@1895
  1467
TranslatePOV(DWORD value)
slouken@1895
  1468
{
slouken@1895
  1469
    const int HAT_VALS[] = {
slouken@1895
  1470
        SDL_HAT_UP,
slouken@1895
  1471
        SDL_HAT_UP | SDL_HAT_RIGHT,
slouken@1895
  1472
        SDL_HAT_RIGHT,
slouken@1895
  1473
        SDL_HAT_DOWN | SDL_HAT_RIGHT,
slouken@1895
  1474
        SDL_HAT_DOWN,
slouken@1895
  1475
        SDL_HAT_DOWN | SDL_HAT_LEFT,
slouken@1895
  1476
        SDL_HAT_LEFT,
slouken@1895
  1477
        SDL_HAT_UP | SDL_HAT_LEFT
slouken@1895
  1478
    };
slouken@1895
  1479
slouken@1895
  1480
    if (LOWORD(value) == 0xFFFF)
slouken@1895
  1481
        return SDL_HAT_CENTERED;
slouken@1895
  1482
slouken@1895
  1483
    /* Round the value up: */
slouken@1895
  1484
    value += 4500 / 2;
slouken@1895
  1485
    value %= 36000;
slouken@1895
  1486
    value /= 4500;
slouken@1895
  1487
slouken@1895
  1488
    if (value >= 8)
slouken@1895
  1489
        return SDL_HAT_CENTERED;        /* shouldn't happen */
slouken@1895
  1490
slouken@1895
  1491
    return HAT_VALS[value];
slouken@1895
  1492
}
slouken@1895
  1493
slouken@1895
  1494
/* SDL_PrivateJoystick* doesn't discard duplicate events, so we need to
slouken@1895
  1495
 * do it. */
slouken@1895
  1496
static int
slouken@1895
  1497
SDL_PrivateJoystickAxis_Int(SDL_Joystick * joystick, Uint8 axis, Sint16 value)
slouken@1895
  1498
{
slouken@1895
  1499
    if (joystick->axes[axis] != value)
slouken@1895
  1500
        return SDL_PrivateJoystickAxis(joystick, axis, value);
slouken@1895
  1501
    return 0;
slouken@1895
  1502
}
slouken@1895
  1503
slouken@1895
  1504
static int
slouken@1895
  1505
SDL_PrivateJoystickHat_Int(SDL_Joystick * joystick, Uint8 hat, Uint8 value)
slouken@1895
  1506
{
slouken@1895
  1507
    if (joystick->hats[hat] != value)
slouken@1895
  1508
        return SDL_PrivateJoystickHat(joystick, hat, value);
slouken@1895
  1509
    return 0;
slouken@1895
  1510
}
slouken@1895
  1511
slouken@1895
  1512
static int
slouken@1895
  1513
SDL_PrivateJoystickButton_Int(SDL_Joystick * joystick, Uint8 button,
slouken@1895
  1514
                              Uint8 state)
slouken@1895
  1515
{
slouken@1895
  1516
    if (joystick->buttons[button] != state)
slouken@1895
  1517
        return SDL_PrivateJoystickButton(joystick, button, state);
slouken@1895
  1518
    return 0;
slouken@1895
  1519
}
slouken@1895
  1520
slouken@1895
  1521
void
slouken@1895
  1522
SDL_SYS_JoystickUpdate(SDL_Joystick * joystick)
slouken@1895
  1523
{
slouken@1895
  1524
    HRESULT result;
slouken@1895
  1525
slouken@7191
  1526
    if ( joystick->closed || !joystick->hwdata )
slouken@7191
  1527
        return;
slouken@1895
  1528
slouken@7191
  1529
    if (joystick->hwdata->bXInputDevice)
slouken@7191
  1530
    {
slouken@7191
  1531
        SDL_SYS_JoystickUpdate_XInput(joystick);
slouken@7191
  1532
    }
slouken@7191
  1533
    else
slouken@7191
  1534
    {
slouken@7191
  1535
        result = IDirectInputDevice8_Poll(joystick->hwdata->InputDevice);
slouken@7191
  1536
        if (result == DIERR_INPUTLOST || result == DIERR_NOTACQUIRED) {
slouken@7191
  1537
            IDirectInputDevice8_Acquire(joystick->hwdata->InputDevice);
slouken@7191
  1538
            IDirectInputDevice8_Poll(joystick->hwdata->InputDevice);
slouken@7191
  1539
        }
slouken@6690
  1540
slouken@7191
  1541
        if (joystick->hwdata->buffered)
slouken@7191
  1542
            SDL_SYS_JoystickUpdate_Buffered(joystick);
slouken@7191
  1543
        else
slouken@7191
  1544
            SDL_SYS_JoystickUpdate_Polled(joystick);
slouken@7191
  1545
    }
slouken@6690
  1546
slouken@7191
  1547
    if ( joystick->hwdata->removed )
slouken@7191
  1548
    {
slouken@7191
  1549
        joystick->closed = 1;
slouken@7191
  1550
        joystick->uncentered = 1;
slouken@7191
  1551
    }
slouken@1895
  1552
}
slouken@1895
  1553
slouken@1895
  1554
/* Function to close a joystick after use */
slouken@1895
  1555
void
slouken@1895
  1556
SDL_SYS_JoystickClose(SDL_Joystick * joystick)
slouken@1895
  1557
{
icculus@7711
  1558
    if (!joystick->hwdata->bXInputDevice) {
slouken@7191
  1559
        IDirectInputDevice8_Unacquire(joystick->hwdata->InputDevice);
slouken@7191
  1560
        IDirectInputDevice8_Release(joystick->hwdata->InputDevice);
slouken@7191
  1561
    }
slouken@1895
  1562
slouken@7719
  1563
    /* free system specific hardware data */
slouken@7719
  1564
    SDL_free(joystick->hwdata);
slouken@6690
  1565
slouken@7191
  1566
    joystick->closed = 1;
slouken@1895
  1567
}
slouken@1895
  1568
slouken@1895
  1569
/* Function to perform any system-specific joystick related cleanup */
slouken@1895
  1570
void
slouken@1895
  1571
SDL_SYS_JoystickQuit(void)
slouken@1895
  1572
{
slouken@7191
  1573
    JoyStick_DeviceData *device = SYS_Joystick;
slouken@5090
  1574
slouken@7191
  1575
    while ( device )
slouken@7191
  1576
    {
slouken@7191
  1577
        JoyStick_DeviceData *device_next = device->pNext;
slouken@7191
  1578
        SDL_free(device->joystickname);
slouken@7191
  1579
        SDL_free(device);
slouken@7191
  1580
        device = device_next;
slouken@7191
  1581
    }
slouken@7191
  1582
    SYS_Joystick = NULL;
slouken@6690
  1583
slouken@7191
  1584
    if ( s_threadJoystick )
slouken@7191
  1585
    {
slouken@7191
  1586
        SDL_LockMutex( s_mutexJoyStickEnum );
slouken@7191
  1587
        s_bJoystickThreadQuit = SDL_TRUE;
slouken@7191
  1588
        SDL_CondBroadcast( s_condJoystickThread ); /* signal the joystick thread to quit */
slouken@7191
  1589
        SDL_UnlockMutex( s_mutexJoyStickEnum );
slouken@7191
  1590
        SDL_WaitThread( s_threadJoystick, NULL ); /* wait for it to bugger off */
slouken@6690
  1591
slouken@7191
  1592
        SDL_DestroyMutex( s_mutexJoyStickEnum );
slouken@7191
  1593
        SDL_DestroyCond( s_condJoystickThread );
slouken@7191
  1594
        s_condJoystickThread= NULL;
slouken@7191
  1595
        s_mutexJoyStickEnum = NULL;
slouken@7191
  1596
        s_threadJoystick = NULL;
slouken@7191
  1597
    }
slouken@5090
  1598
icculus@5591
  1599
    if (dinput != NULL) {
slouken@6690
  1600
        IDirectInput8_Release(dinput);
icculus@5591
  1601
        dinput = NULL;
icculus@5591
  1602
    }
icculus@5591
  1603
icculus@5591
  1604
    if (coinitialized) {
icculus@5591
  1605
        WIN_CoUninitialize();
icculus@5591
  1606
        coinitialized = SDL_FALSE;
icculus@5591
  1607
    }
slouken@6690
  1608
icculus@6990
  1609
    if (s_bXInputEnabled) {
icculus@6990
  1610
        WIN_UnloadXInputDLL();
icculus@6990
  1611
    }
slouken@6690
  1612
}
slouken@6690
  1613
slouken@6690
  1614
/* return the stable device guid for this device index */
slouken@6738
  1615
SDL_JoystickGUID SDL_SYS_JoystickGetDeviceGUID( int device_index )
slouken@6690
  1616
{
slouken@7191
  1617
    JoyStick_DeviceData *device = SYS_Joystick;
slouken@7191
  1618
    int index;
slouken@6690
  1619
slouken@7191
  1620
    for (index = device_index; index > 0; index--)
slouken@7191
  1621
        device = device->pNext;
slouken@6690
  1622
slouken@7191
  1623
    return device->guid;
slouken@6690
  1624
}
slouken@6690
  1625
slouken@6738
  1626
SDL_JoystickGUID SDL_SYS_JoystickGetGUID(SDL_Joystick * joystick)
slouken@6707
  1627
{
slouken@7191
  1628
    return joystick->hwdata->guid;
slouken@6707
  1629
}
slouken@6707
  1630
slouken@6707
  1631
/* return SDL_TRUE if this device is using XInput */
slouken@6707
  1632
SDL_bool SDL_SYS_IsXInputDeviceIndex(int device_index)
slouken@6690
  1633
{
slouken@7191
  1634
    JoyStick_DeviceData *device = SYS_Joystick;
slouken@7191
  1635
    int index;
slouken@6690
  1636
slouken@7191
  1637
    for (index = device_index; index > 0; index--)
slouken@7191
  1638
        device = device->pNext;
slouken@6690
  1639
slouken@7191
  1640
    return device->bXInputDevice;
slouken@6690
  1641
}
slouken@6690
  1642
slouken@7685
  1643
/* return SDL_TRUE if this device was opened with XInput */
slouken@7685
  1644
SDL_bool SDL_SYS_IsXInputJoystick(SDL_Joystick * joystick)
slouken@7685
  1645
{
slouken@7685
  1646
	return joystick->hwdata->bXInputDevice;
slouken@7685
  1647
}
slouken@7685
  1648
slouken@1895
  1649
#endif /* SDL_JOYSTICK_DINPUT */
slouken@3575
  1650
slouken@1895
  1651
/* vi: set ts=4 sw=4 expandtab: */