diff options
Diffstat (limited to 'Source/3rdParty/SDL2/src/joystick/SDL_joystick.c')
| -rw-r--r-- | Source/3rdParty/SDL2/src/joystick/SDL_joystick.c | 466 |
1 files changed, 387 insertions, 79 deletions
diff --git a/Source/3rdParty/SDL2/src/joystick/SDL_joystick.c b/Source/3rdParty/SDL2/src/joystick/SDL_joystick.c index b93c03d..02903f5 100644 --- a/Source/3rdParty/SDL2/src/joystick/SDL_joystick.c +++ b/Source/3rdParty/SDL2/src/joystick/SDL_joystick.c @@ -23,6 +23,7 @@ /* This is the joystick API for Simple DirectMedia Layer */ #include "SDL.h" +#include "SDL_atomic.h" #include "SDL_events.h" #include "SDL_sysjoystick.h" #include "SDL_assert.h" @@ -33,11 +34,54 @@ #endif #include "../video/SDL_sysvideo.h" +/* This is included in only one place because it has a large static list of controllers */ +#include "controller_type.h" +#ifdef __WIN32__ +/* Needed for checking for input remapping programs */ +#include "../core/windows/SDL_windows.h" + +#undef UNICODE /* We want ASCII functions */ +#include <tlhelp32.h> +#endif + +static SDL_JoystickDriver *SDL_joystick_drivers[] = { +#if defined(SDL_JOYSTICK_DINPUT) || defined(SDL_JOYSTICK_XINPUT) + &SDL_WINDOWS_JoystickDriver, +#endif +#ifdef SDL_JOYSTICK_LINUX + &SDL_LINUX_JoystickDriver, +#endif +#ifdef SDL_JOYSTICK_IOKIT + &SDL_DARWIN_JoystickDriver, +#endif +#if defined(__IPHONEOS__) || defined(__TVOS__) + &SDL_IOS_JoystickDriver, +#endif +#ifdef SDL_JOYSTICK_ANDROID + &SDL_ANDROID_JoystickDriver, +#endif +#ifdef SDL_JOYSTICK_EMSCRIPTEN + &SDL_EMSCRIPTEN_JoystickDriver, +#endif +#ifdef SDL_JOYSTICK_HAIKU + &SDL_HAIKU_JoystickDriver, +#endif +#ifdef SDL_JOYSTICK_USBHID /* !!! FIXME: "USBHID" is a generic name, and doubly-confusing with HIDAPI next to it. This is the *BSD interface, rename this. */ + &SDL_BSD_JoystickDriver, +#endif +#ifdef SDL_JOYSTICK_HIDAPI + &SDL_HIDAPI_JoystickDriver, +#endif +#if defined(SDL_JOYSTICK_DUMMY) || defined(SDL_JOYSTICK_DISABLED) + &SDL_DUMMY_JoystickDriver +#endif +}; static SDL_bool SDL_joystick_allows_background_events = SDL_FALSE; static SDL_Joystick *SDL_joysticks = NULL; static SDL_bool SDL_updating_joystick = SDL_FALSE; static SDL_mutex *SDL_joystick_lock = NULL; /* This needs to support recursive locks */ +static SDL_atomic_t SDL_next_joystick_instance_id; void SDL_LockJoysticks(void) @@ -69,7 +113,7 @@ SDL_JoystickAllowBackgroundEventsChanged(void *userdata, const char *name, const int SDL_JoystickInit(void) { - int status; + int i, status; SDL_GameControllerInitMappings(); @@ -88,11 +132,13 @@ SDL_JoystickInit(void) } #endif /* !SDL_EVENTS_DISABLED */ - status = SDL_SYS_JoystickInit(); - if (status >= 0) { - status = 0; + status = -1; + for (i = 0; i < SDL_arraysize(SDL_joystick_drivers); ++i) { + if (SDL_joystick_drivers[i]->Init() >= 0) { + status = 0; + } } - return (status); + return status; } /* @@ -101,20 +147,99 @@ SDL_JoystickInit(void) int SDL_NumJoysticks(void) { - return SDL_SYS_NumJoysticks(); + int i, total_joysticks = 0; + SDL_LockJoysticks(); + for (i = 0; i < SDL_arraysize(SDL_joystick_drivers); ++i) { + total_joysticks += SDL_joystick_drivers[i]->GetCount(); + } + SDL_UnlockJoysticks(); + return total_joysticks; +} + +/* + * Return the next available joystick instance ID + * This may be called by drivers from multiple threads, unprotected by any locks + */ +SDL_JoystickID SDL_GetNextJoystickInstanceID() +{ + return SDL_AtomicIncRef(&SDL_next_joystick_instance_id); +} + +/* + * Get the driver and device index for an API device index + * This should be called while the joystick lock is held, to prevent another thread from updating the list + */ +SDL_bool +SDL_GetDriverAndJoystickIndex(int device_index, SDL_JoystickDriver **driver, int *driver_index) +{ + int i, num_joysticks, total_joysticks = 0; + + if (device_index >= 0) { + for (i = 0; i < SDL_arraysize(SDL_joystick_drivers); ++i) { + num_joysticks = SDL_joystick_drivers[i]->GetCount(); + if (device_index < num_joysticks) { + *driver = SDL_joystick_drivers[i]; + *driver_index = device_index; + return SDL_TRUE; + } + device_index -= num_joysticks; + total_joysticks += num_joysticks; + } + } + + SDL_SetError("There are %d joysticks available", total_joysticks); + return SDL_FALSE; } /* + * Perform any needed fixups for joystick names + */ +static const char * +SDL_FixupJoystickName(const char *name) +{ + if (name) { + const char *skip_prefix = "NVIDIA Corporation "; + + if (SDL_strncmp(name, skip_prefix, SDL_strlen(skip_prefix)) == 0) { + name += SDL_strlen(skip_prefix); + } + } + return name; +} + + +/* * Get the implementation dependent name of a joystick */ const char * SDL_JoystickNameForIndex(int device_index) { - if (device_index < 0 || device_index >= SDL_NumJoysticks()) { - SDL_SetError("There are %d joysticks available", SDL_NumJoysticks()); - return (NULL); + SDL_JoystickDriver *driver; + const char *name = NULL; + + SDL_LockJoysticks(); + if (SDL_GetDriverAndJoystickIndex(device_index, &driver, &device_index)) { + name = SDL_FixupJoystickName(driver->GetDeviceName(device_index)); + } + SDL_UnlockJoysticks(); + + /* FIXME: Really we should reference count this name so it doesn't go away after unlock */ + return name; +} + +int +SDL_JoystickGetDevicePlayerIndex(int device_index) +{ + SDL_JoystickDriver *driver; + int player_index = -1; + + SDL_LockJoysticks(); + if (SDL_GetDriverAndJoystickIndex(device_index, &driver, &device_index)) { + player_index = driver->GetDevicePlayerIndex(device_index); } - return (SDL_SYS_JoystickNameForDeviceIndex(device_index)); + SDL_UnlockJoysticks(); + + return player_index; } /* @@ -159,27 +284,30 @@ SDL_JoystickAxesCenteredAtZero(SDL_Joystick *joystick) SDL_Joystick * SDL_JoystickOpen(int device_index) { + SDL_JoystickDriver *driver; + SDL_JoystickID instance_id; SDL_Joystick *joystick; SDL_Joystick *joysticklist; const char *joystickname = NULL; - if ((device_index < 0) || (device_index >= SDL_NumJoysticks())) { - SDL_SetError("There are %d joysticks available", SDL_NumJoysticks()); - return (NULL); - } - SDL_LockJoysticks(); + if (!SDL_GetDriverAndJoystickIndex(device_index, &driver, &device_index)) { + SDL_UnlockJoysticks(); + return NULL; + } + joysticklist = SDL_joysticks; /* If the joystick is already open, return it * it is important that we have a single joystick * for each instance id */ + instance_id = driver->GetDeviceInstanceID(device_index); while (joysticklist) { - if (SDL_JoystickGetDeviceInstanceID(device_index) == joysticklist->instance_id) { + if (instance_id == joysticklist->instance_id) { joystick = joysticklist; ++joystick->ref_count; SDL_UnlockJoysticks(); - return (joystick); + return joystick; } joysticklist = joysticklist->next; } @@ -191,18 +319,25 @@ SDL_JoystickOpen(int device_index) SDL_UnlockJoysticks(); return NULL; } + joystick->driver = driver; + joystick->instance_id = instance_id; + joystick->attached = SDL_TRUE; + joystick->player_index = -1; - if (SDL_SYS_JoystickOpen(joystick, device_index) < 0) { + if (driver->Open(joystick, device_index) < 0) { SDL_free(joystick); SDL_UnlockJoysticks(); return NULL; } - joystickname = SDL_SYS_JoystickNameForDeviceIndex(device_index); - if (joystickname) + joystickname = driver->GetDeviceName(device_index); + if (joystickname) { joystick->name = SDL_strdup(joystickname); - else + } else { joystick->name = NULL; + } + + joystick->guid = driver->GetDeviceGUID(device_index); if (joystick->naxes > 0) { joystick->axes = (SDL_JoystickAxisInfo *) SDL_calloc(joystick->naxes, sizeof(SDL_JoystickAxisInfo)); @@ -246,9 +381,9 @@ SDL_JoystickOpen(int device_index) SDL_UnlockJoysticks(); - SDL_SYS_JoystickUpdate(joystick); + driver->Update(joystick); - return (joystick); + return joystick; } @@ -277,9 +412,9 @@ int SDL_JoystickNumAxes(SDL_Joystick * joystick) { if (!SDL_PrivateJoystickValid(joystick)) { - return (-1); + return -1; } - return (joystick->naxes); + return joystick->naxes; } /* @@ -289,9 +424,9 @@ int SDL_JoystickNumHats(SDL_Joystick * joystick) { if (!SDL_PrivateJoystickValid(joystick)) { - return (-1); + return -1; } - return (joystick->nhats); + return joystick->nhats; } /* @@ -301,9 +436,9 @@ int SDL_JoystickNumBalls(SDL_Joystick * joystick) { if (!SDL_PrivateJoystickValid(joystick)) { - return (-1); + return -1; } - return (joystick->nballs); + return joystick->nballs; } /* @@ -313,9 +448,9 @@ int SDL_JoystickNumButtons(SDL_Joystick * joystick) { if (!SDL_PrivateJoystickValid(joystick)) { - return (-1); + return -1; } - return (joystick->nbuttons); + return joystick->nbuttons; } /* @@ -327,7 +462,7 @@ SDL_JoystickGetAxis(SDL_Joystick * joystick, int axis) Sint16 state; if (!SDL_PrivateJoystickValid(joystick)) { - return (0); + return 0; } if (axis < joystick->naxes) { state = joystick->axes[axis].value; @@ -335,7 +470,7 @@ SDL_JoystickGetAxis(SDL_Joystick * joystick, int axis) SDL_SetError("Joystick only has %d axes", joystick->naxes); state = 0; } - return (state); + return state; } /* @@ -366,7 +501,7 @@ SDL_JoystickGetHat(SDL_Joystick * joystick, int hat) Uint8 state; if (!SDL_PrivateJoystickValid(joystick)) { - return (0); + return 0; } if (hat < joystick->nhats) { state = joystick->hats[hat]; @@ -374,7 +509,7 @@ SDL_JoystickGetHat(SDL_Joystick * joystick, int hat) SDL_SetError("Joystick only has %d hats", joystick->nhats); state = 0; } - return (state); + return state; } /* @@ -386,7 +521,7 @@ SDL_JoystickGetBall(SDL_Joystick * joystick, int ball, int *dx, int *dy) int retval; if (!SDL_PrivateJoystickValid(joystick)) { - return (-1); + return -1; } retval = 0; @@ -402,7 +537,7 @@ SDL_JoystickGetBall(SDL_Joystick * joystick, int ball, int *dx, int *dy) } else { return SDL_SetError("Joystick only has %d balls", joystick->nballs); } - return (retval); + return retval; } /* @@ -414,7 +549,7 @@ SDL_JoystickGetButton(SDL_Joystick * joystick, int button) Uint8 state; if (!SDL_PrivateJoystickValid(joystick)) { - return (0); + return 0; } if (button < joystick->nbuttons) { state = joystick->buttons[button]; @@ -422,7 +557,7 @@ SDL_JoystickGetButton(SDL_Joystick * joystick, int button) SDL_SetError("Joystick only has %d buttons", joystick->nbuttons); state = 0; } - return (state); + return state; } /* @@ -436,7 +571,7 @@ SDL_JoystickGetAttached(SDL_Joystick * joystick) return SDL_FALSE; } - return SDL_SYS_JoystickAttached(joystick); + return joystick->attached; } /* @@ -446,10 +581,10 @@ SDL_JoystickID SDL_JoystickInstanceID(SDL_Joystick * joystick) { if (!SDL_PrivateJoystickValid(joystick)) { - return (-1); + return -1; } - return (joystick->instance_id); + return joystick->instance_id; } /* @@ -463,12 +598,11 @@ SDL_JoystickFromInstanceID(SDL_JoystickID joyid) SDL_LockJoysticks(); for (joystick = SDL_joysticks; joystick; joystick = joystick->next) { if (joystick->instance_id == joyid) { - SDL_UnlockJoysticks(); - return joystick; + break; } } SDL_UnlockJoysticks(); - return NULL; + return joystick; } /* @@ -478,10 +612,28 @@ const char * SDL_JoystickName(SDL_Joystick * joystick) { if (!SDL_PrivateJoystickValid(joystick)) { - return (NULL); + return NULL; + } + + return SDL_FixupJoystickName(joystick->name); +} + +int +SDL_JoystickGetPlayerIndex(SDL_Joystick * joystick) +{ + if (!SDL_PrivateJoystickValid(joystick)) { + return -1; } + return joystick->player_index; +} - return (joystick->name); +int +SDL_JoystickRumble(SDL_Joystick * joystick, Uint16 low_frequency_rumble, Uint16 high_frequency_rumble, Uint32 duration_ms) +{ + if (!SDL_PrivateJoystickValid(joystick)) { + return -1; + } + return joystick->driver->Rumble(joystick, low_frequency_rumble, high_frequency_rumble, duration_ms); } /* @@ -493,7 +645,7 @@ SDL_JoystickClose(SDL_Joystick * joystick) SDL_Joystick *joysticklist; SDL_Joystick *joysticklistprev; - if (!joystick) { + if (!SDL_PrivateJoystickValid(joystick)) { return; } @@ -510,7 +662,7 @@ SDL_JoystickClose(SDL_Joystick * joystick) return; } - SDL_SYS_JoystickClose(joystick); + joystick->driver->Close(joystick); joystick->hwdata = NULL; joysticklist = SDL_joysticks; @@ -544,6 +696,8 @@ SDL_JoystickClose(SDL_Joystick * joystick) void SDL_JoystickQuit(void) { + int i; + /* Make sure we're not getting called in the middle of updating joysticks */ SDL_assert(!SDL_updating_joystick); @@ -556,7 +710,9 @@ SDL_JoystickQuit(void) } /* Quit the joystick setup */ - SDL_SYS_JoystickQuit(); + for (i = 0; i < SDL_arraysize(SDL_joystick_drivers); ++i) { + SDL_joystick_drivers[i]->Quit(); + } SDL_UnlockJoysticks(); @@ -592,10 +748,16 @@ SDL_PrivateJoystickShouldIgnoreEvent() /* These are global for SDL_sysjoystick.c and SDL_events.c */ -void SDL_PrivateJoystickAdded(int device_index) +void SDL_PrivateJoystickAdded(SDL_JoystickID device_instance) { #if !SDL_EVENTS_DISABLED SDL_Event event; + int device_index; + + device_index = SDL_JoystickGetDeviceIndexFromInstanceID(device_instance); + if (device_index < 0) { + return; + } event.type = SDL_JOYDEVICEADDED; @@ -637,6 +799,8 @@ static void UpdateEventsForDeviceRemoval() void SDL_PrivateJoystickRemoved(SDL_JoystickID device_instance) { + SDL_Joystick *joystick; + #if !SDL_EVENTS_DISABLED SDL_Event event; @@ -649,6 +813,15 @@ void SDL_PrivateJoystickRemoved(SDL_JoystickID device_instance) UpdateEventsForDeviceRemoval(); #endif /* !SDL_EVENTS_DISABLED */ + + /* Mark this joystick as no longer attached */ + for (joystick = SDL_joysticks; joystick; joystick = joystick->next) { + if (joystick->instance_id == device_instance) { + joystick->attached = SDL_FALSE; + joystick->force_recentering = SDL_TRUE; + break; + } + } } int @@ -705,7 +878,7 @@ SDL_PrivateJoystickAxis(SDL_Joystick * joystick, Uint8 axis, Sint16 value) posted = SDL_PushEvent(&event) == 1; } #endif /* !SDL_EVENTS_DISABLED */ - return (posted); + return posted; } int @@ -745,7 +918,7 @@ SDL_PrivateJoystickHat(SDL_Joystick * joystick, Uint8 hat, Uint8 value) posted = SDL_PushEvent(&event) == 1; } #endif /* !SDL_EVENTS_DISABLED */ - return (posted); + return posted; } int @@ -781,7 +954,7 @@ SDL_PrivateJoystickBall(SDL_Joystick * joystick, Uint8 ball, posted = SDL_PushEvent(&event) == 1; } #endif /* !SDL_EVENTS_DISABLED */ - return (posted); + return posted; } int @@ -800,7 +973,7 @@ SDL_PrivateJoystickButton(SDL_Joystick * joystick, Uint8 button, Uint8 state) break; default: /* Invalid state -- bail */ - return (0); + return 0; } #endif /* !SDL_EVENTS_DISABLED */ @@ -833,12 +1006,13 @@ SDL_PrivateJoystickButton(SDL_Joystick * joystick, Uint8 button, Uint8 state) posted = SDL_PushEvent(&event) == 1; } #endif /* !SDL_EVENTS_DISABLED */ - return (posted); + return posted; } void SDL_JoystickUpdate(void) { + int i; SDL_Joystick *joystick; SDL_LockJoysticks(); @@ -855,11 +1029,15 @@ SDL_JoystickUpdate(void) SDL_UnlockJoysticks(); for (joystick = SDL_joysticks; joystick; joystick = joystick->next) { - SDL_SYS_JoystickUpdate(joystick); + if (joystick->attached) { + joystick->driver->Update(joystick); - if (joystick->force_recentering) { - int i; + if (joystick->delayed_guide_button) { + SDL_GameControllerHandleDelayedGuideButton(joystick); + } + } + if (joystick->force_recentering) { /* Tell the app that everything is centered/unpressed... */ for (i = 0; i < joystick->naxes; i++) { if (joystick->axes[i].has_initial_value) { @@ -893,7 +1071,9 @@ SDL_JoystickUpdate(void) /* this needs to happen AFTER walking the joystick list above, so that any dangling hardware data from removed devices can be free'd */ - SDL_SYS_JoystickDetect(); + for (i = 0; i < SDL_arraysize(SDL_joystick_drivers); ++i) { + SDL_joystick_drivers[i]->Detect(); + } SDL_UnlockJoysticks(); } @@ -926,7 +1106,7 @@ SDL_JoystickEventState(int state) } break; } - return (state); + return state; #endif /* SDL_EVENTS_DISABLED */ } @@ -942,7 +1122,7 @@ void SDL_GetJoystickGUIDInfo(SDL_JoystickGUID guid, Uint16 *vendor, Uint16 *prod /* guid16[4] is product ID */ guid16[5] == 0x0000 /* guid16[6] is product version */ - ) { + ) { if (vendor) { *vendor = guid16[2]; } @@ -965,6 +1145,55 @@ void SDL_GetJoystickGUIDInfo(SDL_JoystickGUID guid, Uint16 *vendor, Uint16 *prod } } +SDL_bool +SDL_IsJoystickPS4(Uint16 vendor, Uint16 product) +{ + return (GuessControllerType(vendor, product) == k_eControllerType_PS4Controller); +} + +SDL_bool +SDL_IsJoystickNintendoSwitchPro(Uint16 vendor, Uint16 product) +{ + return (GuessControllerType(vendor, product) == k_eControllerType_SwitchProController); +} + +SDL_bool +SDL_IsJoystickSteamController(Uint16 vendor, Uint16 product) +{ + return BIsSteamController(GuessControllerType(vendor, product)); +} + +SDL_bool +SDL_IsJoystickXbox360(Uint16 vendor, Uint16 product) +{ + /* Filter out some bogus values here */ + if (vendor == 0x0000 && product == 0x0000) { + return SDL_FALSE; + } + if (vendor == 0x0001 && product == 0x0001) { + return SDL_FALSE; + } + return (GuessControllerType(vendor, product) == k_eControllerType_XBox360Controller); +} + +SDL_bool +SDL_IsJoystickXboxOne(Uint16 vendor, Uint16 product) +{ + return (GuessControllerType(vendor, product) == k_eControllerType_XBoxOneController); +} + +SDL_bool +SDL_IsJoystickXInput(SDL_JoystickGUID guid) +{ + return (guid.data[14] == 'x') ? SDL_TRUE : SDL_FALSE; +} + +SDL_bool +SDL_IsJoystickHIDAPI(SDL_JoystickGUID guid) +{ + return (guid.data[14] == 'h') ? SDL_TRUE : SDL_FALSE; +} + static SDL_bool SDL_IsJoystickProductWheel(Uint32 vidpid) { static Uint32 wheel_joysticks[] = { @@ -1030,7 +1259,7 @@ static SDL_JoystickType SDL_GetJoystickGUIDType(SDL_JoystickGUID guid) Uint16 product; Uint32 vidpid; - if (guid.data[14] == 'x') { + if (SDL_IsJoystickXInput(guid)) { /* XInput GUID, get the type based on the XInput device subtype */ switch (guid.data[15]) { case 0x01: /* XINPUT_DEVSUBTYPE_GAMEPAD */ @@ -1071,19 +1300,80 @@ static SDL_JoystickType SDL_GetJoystickGUIDType(SDL_JoystickGUID guid) return SDL_JOYSTICK_TYPE_THROTTLE; } + if (GuessControllerType(vendor, product) != k_eControllerType_UnknownNonSteamController) { + return SDL_JOYSTICK_TYPE_GAMECONTROLLER; + } + return SDL_JOYSTICK_TYPE_UNKNOWN; } +static SDL_bool SDL_IsPS4RemapperRunning(void) +{ +#ifdef __WIN32__ + const char *mapper_processes[] = { + "DS4Windows.exe", + "InputMapper.exe", + }; + int i; + PROCESSENTRY32 pe32; + SDL_bool found = SDL_FALSE; + + /* Take a snapshot of all processes in the system */ + HANDLE hProcessSnap = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0); + if (hProcessSnap != INVALID_HANDLE_VALUE) { + pe32.dwSize = sizeof(PROCESSENTRY32); + if (Process32First(hProcessSnap, &pe32)) { + do + { + for (i = 0; i < SDL_arraysize(mapper_processes); ++i) { + if (SDL_strcasecmp(pe32.szExeFile, mapper_processes[i]) == 0) { + found = SDL_TRUE; + } + } + } while (Process32Next(hProcessSnap, &pe32) && !found); + } + CloseHandle(hProcessSnap); + } + return found; +#else + return SDL_FALSE; +#endif +} + +SDL_bool SDL_ShouldIgnoreJoystick(const char *name, SDL_JoystickGUID guid) +{ + Uint16 vendor; + Uint16 product; + + SDL_GetJoystickGUIDInfo(guid, &vendor, &product, NULL); + + if (SDL_IsJoystickPS4(vendor, product) && SDL_IsPS4RemapperRunning()) { + return SDL_TRUE; + } + + if (SDL_IsGameControllerNameAndGUID(name, guid) && + SDL_ShouldIgnoreGameController(name, guid)) { + return SDL_TRUE; + } + + return SDL_FALSE; +} + /* return the guid for this index */ SDL_JoystickGUID SDL_JoystickGetDeviceGUID(int device_index) { - if (device_index < 0 || device_index >= SDL_NumJoysticks()) { - SDL_JoystickGUID emptyGUID; - SDL_SetError("There are %d joysticks available", SDL_NumJoysticks()); - SDL_zero(emptyGUID); - return emptyGUID; + SDL_JoystickDriver *driver; + SDL_JoystickGUID guid; + + SDL_LockJoysticks(); + if (SDL_GetDriverAndJoystickIndex(device_index, &driver, &device_index)) { + guid = driver->GetDeviceGUID(device_index); + } else { + SDL_zero(guid); } - return SDL_SYS_JoystickGetDeviceGUID(device_index); + SDL_UnlockJoysticks(); + + return guid; } Uint16 SDL_JoystickGetDeviceVendor(int device_index) @@ -1129,11 +1419,33 @@ SDL_JoystickType SDL_JoystickGetDeviceType(int device_index) SDL_JoystickID SDL_JoystickGetDeviceInstanceID(int device_index) { - if (device_index < 0 || device_index >= SDL_NumJoysticks()) { - SDL_SetError("There are %d joysticks available", SDL_NumJoysticks()); - return -1; + SDL_JoystickDriver *driver; + SDL_JoystickID instance_id = -1; + + SDL_LockJoysticks(); + if (SDL_GetDriverAndJoystickIndex(device_index, &driver, &device_index)) { + instance_id = driver->GetDeviceInstanceID(device_index); + } + SDL_UnlockJoysticks(); + + return instance_id; +} + +int SDL_JoystickGetDeviceIndexFromInstanceID(SDL_JoystickID instance_id) +{ + int i, num_joysticks, device_index = -1; + + SDL_LockJoysticks(); + num_joysticks = SDL_NumJoysticks(); + for (i = 0; i < num_joysticks; ++i) { + if (SDL_JoystickGetDeviceInstanceID(i) == instance_id) { + device_index = i; + break; + } } - return SDL_SYS_GetInstanceIdOfDeviceIndex(device_index); + SDL_UnlockJoysticks(); + + return device_index; } SDL_JoystickGUID SDL_JoystickGetGUID(SDL_Joystick * joystick) @@ -1143,7 +1455,7 @@ SDL_JoystickGUID SDL_JoystickGetGUID(SDL_Joystick * joystick) SDL_zero(emptyGUID); return emptyGUID; } - return SDL_SYS_JoystickGetGUID(joystick); + return joystick->guid; } Uint16 SDL_JoystickGetVendor(SDL_Joystick * joystick) @@ -1208,7 +1520,6 @@ void SDL_JoystickGetGUIDString(SDL_JoystickGUID guid, char *pszGUID, int cbGUID) *pszGUID = '\0'; } - /*----------------------------------------------------------------------------- * Purpose: Returns the 4 bit nibble for a hex character * Input : c - @@ -1233,7 +1544,6 @@ static unsigned char nibble(char c) return 0; } - /* convert the string version of a joystick guid to the struct */ SDL_JoystickGUID SDL_JoystickGetGUIDFromString(const char *pchGUID) { @@ -1256,19 +1566,17 @@ SDL_JoystickGUID SDL_JoystickGetGUIDFromString(const char *pchGUID) return guid; } - /* update the power level for this joystick */ void SDL_PrivateJoystickBatteryLevel(SDL_Joystick * joystick, SDL_JoystickPowerLevel ePowerLevel) { joystick->epowerlevel = ePowerLevel; } - /* return its power level */ SDL_JoystickPowerLevel SDL_JoystickCurrentPowerLevel(SDL_Joystick * joystick) { if (!SDL_PrivateJoystickValid(joystick)) { - return (SDL_JOYSTICK_POWER_UNKNOWN); + return SDL_JOYSTICK_POWER_UNKNOWN; } return joystick->epowerlevel; } |