diff options
Diffstat (limited to 'source/3rd-party/SDL2/src/joystick/hidapi/SDL_hidapi_xbox360.c')
| -rw-r--r-- | source/3rd-party/SDL2/src/joystick/hidapi/SDL_hidapi_xbox360.c | 787 |
1 files changed, 787 insertions, 0 deletions
diff --git a/source/3rd-party/SDL2/src/joystick/hidapi/SDL_hidapi_xbox360.c b/source/3rd-party/SDL2/src/joystick/hidapi/SDL_hidapi_xbox360.c new file mode 100644 index 0000000..84c63c6 --- /dev/null +++ b/source/3rd-party/SDL2/src/joystick/hidapi/SDL_hidapi_xbox360.c @@ -0,0 +1,787 @@ +/* + Simple DirectMedia Layer + Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org> + + This software is provided 'as-is', without any express or implied + warranty. In no event will the authors be held liable for any damages + arising from the use of this software. + + Permission is granted to anyone to use this software for any purpose, + including commercial applications, and to alter it and redistribute it + freely, subject to the following restrictions: + + 1. The origin of this software must not be misrepresented; you must not + claim that you wrote the original software. If you use this software + in a product, an acknowledgment in the product documentation would be + appreciated but is not required. + 2. Altered source versions must be plainly marked as such, and must not be + misrepresented as being the original software. + 3. This notice may not be removed or altered from any source distribution. +*/ +#include "../../SDL_internal.h" + +#ifdef SDL_JOYSTICK_HIDAPI + +#include "SDL_hints.h" +#include "SDL_log.h" +#include "SDL_events.h" +#include "SDL_timer.h" +#include "SDL_joystick.h" +#include "SDL_gamecontroller.h" +#include "../SDL_sysjoystick.h" +#include "SDL_hidapijoystick_c.h" + + +#ifdef SDL_JOYSTICK_HIDAPI_XBOX360 + +#ifdef __WIN32__ +#define SDL_JOYSTICK_HIDAPI_WINDOWS_XINPUT +/* This requires the Windows 10 SDK to build */ +/*#define SDL_JOYSTICK_HIDAPI_WINDOWS_GAMING_INPUT*/ +#endif + +#ifdef SDL_JOYSTICK_HIDAPI_WINDOWS_XINPUT +#include "../../core/windows/SDL_xinput.h" +#endif + +#ifdef SDL_JOYSTICK_HIDAPI_WINDOWS_GAMING_INPUT +#include "../../core/windows/SDL_windows.h" +#define COBJMACROS +#include "windows.gaming.input.h" +#endif + +#define USB_PACKET_LENGTH 64 + + +typedef struct { + Uint8 last_state[USB_PACKET_LENGTH]; + Uint32 rumble_expiration; +#ifdef SDL_JOYSTICK_HIDAPI_WINDOWS_XINPUT + SDL_bool xinput_enabled; + Uint8 xinput_slot; +#endif +#ifdef SDL_JOYSTICK_HIDAPI_WINDOWS_GAMING_INPUT + SDL_bool coinitialized; + __x_ABI_CWindows_CGaming_CInput_CIGamepadStatics *gamepad_statics; + __x_ABI_CWindows_CGaming_CInput_CIGamepad *gamepad; + struct __x_ABI_CWindows_CGaming_CInput_CGamepadVibration vibration; +#endif +} SDL_DriverXbox360_Context; + + +#ifdef SDL_JOYSTICK_HIDAPI_WINDOWS_XINPUT +static Uint8 xinput_slots; + +static void +HIDAPI_DriverXbox360_MarkXInputSlotUsed(Uint8 xinput_slot) +{ + if (xinput_slot != XUSER_INDEX_ANY) { + xinput_slots |= (0x01 << xinput_slot); + } +} + +static void +HIDAPI_DriverXbox360_MarkXInputSlotFree(Uint8 xinput_slot) +{ + if (xinput_slot != XUSER_INDEX_ANY) { + xinput_slots &= ~(0x01 << xinput_slot); + } +} + +static SDL_bool +HIDAPI_DriverXbox360_MissingXInputSlot() +{ + return xinput_slots != 0x0F; +} + +static Uint8 +HIDAPI_DriverXbox360_GuessXInputSlot(WORD wButtons) +{ + DWORD user_index; + int match_count; + Uint8 match_slot; + + if (!XINPUTGETSTATE) { + return XUSER_INDEX_ANY; + } + + match_count = 0; + for (user_index = 0; user_index < XUSER_MAX_COUNT; ++user_index) { + XINPUT_STATE_EX xinput_state; + + if (XINPUTGETSTATE(user_index, &xinput_state) == ERROR_SUCCESS) { + if (xinput_state.Gamepad.wButtons == wButtons) { + ++match_count; + match_slot = (Uint8)user_index; + } + } + } + if (match_count == 1) { + return match_slot; + } + return XUSER_INDEX_ANY; +} + +#endif /* SDL_JOYSTICK_HIDAPI_WINDOWS_XINPUT */ + +#ifdef SDL_JOYSTICK_HIDAPI_WINDOWS_GAMING_INPUT + +static void +HIDAPI_DriverXbox360_InitWindowsGamingInput(SDL_DriverXbox360_Context *ctx) +{ + /* I think this takes care of RoInitialize() in a way that is compatible with the rest of SDL */ + if (FAILED(WIN_CoInitialize())) { + return; + } + ctx->coinitialized = SDL_TRUE; + + { + static const IID SDL_IID_IGamepadStatics = { 0x8BBCE529, 0xD49C, 0x39E9, { 0x95, 0x60, 0xE4, 0x7D, 0xDE, 0x96, 0xB7, 0xC8 } }; + HRESULT hr; + HMODULE hModule = LoadLibraryA("combase.dll"); + if (hModule != NULL) { + typedef HRESULT (WINAPI *WindowsCreateString_t)(PCNZWCH sourceString, UINT32 length, HSTRING* string); + typedef HRESULT (WINAPI *WindowsDeleteString_t)(HSTRING string); + typedef HRESULT (WINAPI *RoGetActivationFactory_t)(HSTRING activatableClassId, REFIID iid, void** factory); + + WindowsCreateString_t WindowsCreateStringFunc = (WindowsCreateString_t)GetProcAddress(hModule, "WindowsCreateString"); + WindowsDeleteString_t WindowsDeleteStringFunc = (WindowsDeleteString_t)GetProcAddress(hModule, "WindowsDeleteString"); + RoGetActivationFactory_t RoGetActivationFactoryFunc = (RoGetActivationFactory_t)GetProcAddress(hModule, "RoGetActivationFactory"); + if (WindowsCreateStringFunc && WindowsDeleteStringFunc && RoGetActivationFactoryFunc) { + LPTSTR pNamespace = L"Windows.Gaming.Input.Gamepad"; + HSTRING hNamespaceString; + + hr = WindowsCreateStringFunc(pNamespace, SDL_wcslen(pNamespace), &hNamespaceString); + if (SUCCEEDED(hr)) { + RoGetActivationFactoryFunc(hNamespaceString, &SDL_IID_IGamepadStatics, &ctx->gamepad_statics); + WindowsDeleteStringFunc(hNamespaceString); + } + } + FreeLibrary(hModule); + } + } +} + +static Uint8 +HIDAPI_DriverXbox360_GetGamepadButtonsForMatch(__x_ABI_CWindows_CGaming_CInput_CIGamepad *gamepad) +{ + HRESULT hr; + struct __x_ABI_CWindows_CGaming_CInput_CGamepadReading state; + Uint8 buttons = 0; + + hr = __x_ABI_CWindows_CGaming_CInput_CIGamepad_GetCurrentReading(gamepad, &state); + if (SUCCEEDED(hr)) { + if (state.Buttons & GamepadButtons_A) { + buttons |= (1 << SDL_CONTROLLER_BUTTON_A); + } + if (state.Buttons & GamepadButtons_B) { + buttons |= (1 << SDL_CONTROLLER_BUTTON_B); + } + if (state.Buttons & GamepadButtons_X) { + buttons |= (1 << SDL_CONTROLLER_BUTTON_X); + } + if (state.Buttons & GamepadButtons_Y) { + buttons |= (1 << SDL_CONTROLLER_BUTTON_Y); + } + } + return buttons; +} + +static void +HIDAPI_DriverXbox360_GuessGamepad(SDL_DriverXbox360_Context *ctx, Uint8 buttons) +{ + HRESULT hr; + __FIVectorView_1_Windows__CGaming__CInput__CGamepad *gamepads; + + hr = __x_ABI_CWindows_CGaming_CInput_CIGamepadStatics_get_Gamepads(ctx->gamepad_statics, &gamepads); + if (SUCCEEDED(hr)) { + unsigned int i, num_gamepads; + + hr = __FIVectorView_1_Windows__CGaming__CInput__CGamepad_get_Size(gamepads, &num_gamepads); + if (SUCCEEDED(hr)) { + int match_count; + unsigned int match_slot; + + match_count = 0; + for (i = 0; i < num_gamepads; ++i) { + __x_ABI_CWindows_CGaming_CInput_CIGamepad *gamepad; + + hr = __FIVectorView_1_Windows__CGaming__CInput__CGamepad_GetAt(gamepads, i, &gamepad); + if (SUCCEEDED(hr)) { + Uint8 gamepad_buttons = HIDAPI_DriverXbox360_GetGamepadButtonsForMatch(gamepad); + if (buttons == gamepad_buttons) { + ++match_count; + match_slot = i; + } + __x_ABI_CWindows_CGaming_CInput_CIGamepad_Release(gamepad); + } + } + if (match_count == 1) { + hr = __FIVectorView_1_Windows__CGaming__CInput__CGamepad_GetAt(gamepads, match_slot, &ctx->gamepad); + if (SUCCEEDED(hr)) { + } + } + } + __FIVectorView_1_Windows__CGaming__CInput__CGamepad_Release(gamepads); + } +} + +static void +HIDAPI_DriverXbox360_QuitWindowsGamingInput(SDL_DriverXbox360_Context *ctx) +{ + if (ctx->gamepad_statics) { + __x_ABI_CWindows_CGaming_CInput_CIGamepadStatics_Release(ctx->gamepad_statics); + ctx->gamepad_statics = NULL; + } + if (ctx->gamepad) { + __x_ABI_CWindows_CGaming_CInput_CIGamepad_Release(ctx->gamepad); + ctx->gamepad = NULL; + } + + if (ctx->coinitialized) { + WIN_CoUninitialize(); + ctx->coinitialized = SDL_FALSE; + } +} + +#endif /* SDL_JOYSTICK_HIDAPI_WINDOWS_GAMING_INPUT */ + +static SDL_bool +HIDAPI_DriverXbox360_IsSupportedDevice(Uint16 vendor_id, Uint16 product_id, Uint16 version, int interface_number) +{ +#if defined(__MACOSX__) || defined(__WIN32__) + if (vendor_id == 0x045e && product_id == 0x028e && version == 1) { + /* This is the Steam Virtual Gamepad, which isn't supported by this driver */ + return SDL_FALSE; + } + return SDL_IsJoystickXbox360(vendor_id, product_id) || SDL_IsJoystickXboxOne(vendor_id, product_id); +#else + return SDL_IsJoystickXbox360(vendor_id, product_id); +#endif +} + +static const char * +HIDAPI_DriverXbox360_GetDeviceName(Uint16 vendor_id, Uint16 product_id) +{ + return HIDAPI_XboxControllerName(vendor_id, product_id); +} + +static SDL_bool SetSlotLED(hid_device *dev, Uint8 slot) +{ + const Uint8 led_packet[] = { 0x01, 0x03, (2 + slot) }; + + if (hid_write(dev, led_packet, sizeof(led_packet)) != sizeof(led_packet)) { + return SDL_FALSE; + } + return SDL_TRUE; +} + +static SDL_bool +HIDAPI_DriverXbox360_Init(SDL_Joystick *joystick, hid_device *dev, Uint16 vendor_id, Uint16 product_id, void **context) +{ + SDL_DriverXbox360_Context *ctx; + + ctx = (SDL_DriverXbox360_Context *)SDL_calloc(1, sizeof(*ctx)); + if (!ctx) { + SDL_OutOfMemory(); + return SDL_FALSE; + } +#ifdef SDL_JOYSTICK_HIDAPI_WINDOWS_XINPUT + ctx->xinput_enabled = SDL_GetHintBoolean(SDL_HINT_XINPUT_ENABLED, SDL_TRUE); + if (ctx->xinput_enabled && WIN_LoadXInputDLL() < 0) { + ctx->xinput_enabled = SDL_FALSE; + } + ctx->xinput_slot = XUSER_INDEX_ANY; +#endif +#ifdef SDL_JOYSTICK_HIDAPI_WINDOWS_GAMING_INPUT + HIDAPI_DriverXbox360_InitWindowsGamingInput(ctx); +#endif + *context = ctx; + + /* Set the controller LED */ + SetSlotLED(dev, (joystick->instance_id % 4)); + + /* Initialize the joystick capabilities */ + joystick->nbuttons = SDL_CONTROLLER_BUTTON_MAX; + joystick->naxes = SDL_CONTROLLER_AXIS_MAX; + joystick->epowerlevel = SDL_JOYSTICK_POWER_WIRED; + + return SDL_TRUE; +} + +static int +HIDAPI_DriverXbox360_Rumble(SDL_Joystick *joystick, hid_device *dev, void *context, Uint16 low_frequency_rumble, Uint16 high_frequency_rumble, Uint32 duration_ms) +{ + SDL_DriverXbox360_Context *ctx = (SDL_DriverXbox360_Context *)context; + +#ifdef __WIN32__ + SDL_bool rumbled = SDL_FALSE; + +#ifdef SDL_JOYSTICK_HIDAPI_WINDOWS_GAMING_INPUT + if (!rumbled && ctx->gamepad) { + HRESULT hr; + + ctx->vibration.LeftMotor = (DOUBLE)low_frequency_rumble / SDL_MAX_UINT16; + ctx->vibration.RightMotor = (DOUBLE)high_frequency_rumble / SDL_MAX_UINT16; + hr = __x_ABI_CWindows_CGaming_CInput_CIGamepad_put_Vibration(ctx->gamepad, ctx->vibration); + if (SUCCEEDED(hr)) { + rumbled = SDL_TRUE; + } + } +#endif + +#ifdef SDL_JOYSTICK_HIDAPI_WINDOWS_XINPUT + if (!rumbled && ctx->xinput_slot != XUSER_INDEX_ANY) { + XINPUT_VIBRATION XVibration; + + if (!XINPUTSETSTATE) { + return SDL_Unsupported(); + } + + XVibration.wLeftMotorSpeed = low_frequency_rumble; + XVibration.wRightMotorSpeed = high_frequency_rumble; + if (XINPUTSETSTATE(ctx->xinput_slot, &XVibration) == ERROR_SUCCESS) { + rumbled = SDL_TRUE; + } else { + return SDL_SetError("XInputSetState() failed"); + } + } +#endif /* SDL_JOYSTICK_HIDAPI_WINDOWS_XINPUT */ + +#else /* !__WIN32__ */ + +#ifdef __MACOSX__ + /* On Mac OS X the 360Controller driver uses this short report, + and we need to prefix it with a magic token so hidapi passes it through untouched + */ + Uint8 rumble_packet[] = { 'M', 'A', 'G', 'I', 'C', '0', 0x00, 0x04, 0x00, 0x00 }; + + rumble_packet[6+2] = (low_frequency_rumble >> 8); + rumble_packet[6+3] = (high_frequency_rumble >> 8); +#else + Uint8 rumble_packet[] = { 0x00, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }; + + rumble_packet[3] = (low_frequency_rumble >> 8); + rumble_packet[4] = (high_frequency_rumble >> 8); +#endif + + if (hid_write(dev, rumble_packet, sizeof(rumble_packet)) != sizeof(rumble_packet)) { + return SDL_SetError("Couldn't send rumble packet"); + } +#endif /* __WIN32__ */ + + if ((low_frequency_rumble || high_frequency_rumble) && duration_ms) { + ctx->rumble_expiration = SDL_GetTicks() + duration_ms; + } else { + ctx->rumble_expiration = 0; + } + return 0; +} + +#ifdef __WIN32__ + /* This is the packet format for Xbox 360 and Xbox One controllers on Windows, + however with this interface there is no rumble support, no guide button, + and the left and right triggers are tied together as a single axis. + + We use XInput and Windows.Gaming.Input to make up for these shortcomings. + */ +static void +HIDAPI_DriverXbox360_HandleStatePacket(SDL_Joystick *joystick, hid_device *dev, SDL_DriverXbox360_Context *ctx, Uint8 *data, int size) +{ + Sint16 axis; + SDL_bool has_trigger_data = SDL_FALSE; + + if (ctx->last_state[10] != data[10]) { + SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_A, (data[10] & 0x01) ? SDL_PRESSED : SDL_RELEASED); + SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_B, (data[10] & 0x02) ? SDL_PRESSED : SDL_RELEASED); + SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_X, (data[10] & 0x04) ? SDL_PRESSED : SDL_RELEASED); + SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_Y, (data[10] & 0x08) ? SDL_PRESSED : SDL_RELEASED); + SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_LEFTSHOULDER, (data[10] & 0x10) ? SDL_PRESSED : SDL_RELEASED); + SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_RIGHTSHOULDER, (data[10] & 0x20) ? SDL_PRESSED : SDL_RELEASED); + SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_BACK, (data[10] & 0x40) ? SDL_PRESSED : SDL_RELEASED); + SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_START, (data[10] & 0x80) ? SDL_PRESSED : SDL_RELEASED); + } + + if (ctx->last_state[11] != data[11]) { + SDL_bool dpad_up = SDL_FALSE; + SDL_bool dpad_down = SDL_FALSE; + SDL_bool dpad_left = SDL_FALSE; + SDL_bool dpad_right = SDL_FALSE; + + SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_LEFTSTICK, (data[11] & 0x01) ? SDL_PRESSED : SDL_RELEASED); + SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_RIGHTSTICK, (data[11] & 0x02) ? SDL_PRESSED : SDL_RELEASED); + + switch (data[11] & 0x3C) { + case 4: + dpad_up = SDL_TRUE; + break; + case 8: + dpad_up = SDL_TRUE; + dpad_right = SDL_TRUE; + break; + case 12: + dpad_right = SDL_TRUE; + break; + case 16: + dpad_right = SDL_TRUE; + dpad_down = SDL_TRUE; + break; + case 20: + dpad_down = SDL_TRUE; + break; + case 24: + dpad_left = SDL_TRUE; + dpad_down = SDL_TRUE; + break; + case 28: + dpad_left = SDL_TRUE; + break; + case 32: + dpad_up = SDL_TRUE; + dpad_left = SDL_TRUE; + break; + default: + break; + } + SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_DPAD_DOWN, dpad_down); + SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_DPAD_UP, dpad_up); + SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_DPAD_RIGHT, dpad_right); + SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_DPAD_LEFT, dpad_left); + } + + axis = (int)*(Uint16*)(&data[0]) - 0x8000; + SDL_PrivateJoystickAxis(joystick, SDL_CONTROLLER_AXIS_LEFTX, axis); + axis = (int)*(Uint16*)(&data[2]) - 0x8000; + SDL_PrivateJoystickAxis(joystick, SDL_CONTROLLER_AXIS_LEFTY, axis); + axis = (int)*(Uint16*)(&data[4]) - 0x8000; + SDL_PrivateJoystickAxis(joystick, SDL_CONTROLLER_AXIS_RIGHTX, axis); + axis = (int)*(Uint16*)(&data[6]) - 0x8000; + SDL_PrivateJoystickAxis(joystick, SDL_CONTROLLER_AXIS_RIGHTY, axis); + +#ifdef SDL_JOYSTICK_HIDAPI_WINDOWS_GAMING_INPUT + if (ctx->gamepad_statics && !ctx->gamepad) { + Uint8 buttons = 0; + + if (data[10] & 0x01) { + buttons |= (1 << SDL_CONTROLLER_BUTTON_A); + } + if (data[10] & 0x02) { + buttons |= (1 << SDL_CONTROLLER_BUTTON_B); + } + if (data[10] & 0x04) { + buttons |= (1 << SDL_CONTROLLER_BUTTON_X); + } + if (data[10] & 0x08) { + buttons |= (1 << SDL_CONTROLLER_BUTTON_Y); + } + if (buttons != 0) { + HIDAPI_DriverXbox360_GuessGamepad(ctx, buttons); + } + } + + if (ctx->gamepad) { + HRESULT hr; + struct __x_ABI_CWindows_CGaming_CInput_CGamepadReading state; + + hr = __x_ABI_CWindows_CGaming_CInput_CIGamepad_GetCurrentReading(ctx->gamepad, &state); + if (SUCCEEDED(hr)) { + SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_GUIDE, (state.Buttons & 0x40000000) ? SDL_PRESSED : SDL_RELEASED); + SDL_PrivateJoystickAxis(joystick, SDL_CONTROLLER_AXIS_TRIGGERLEFT, ((int)(state.LeftTrigger * SDL_MAX_UINT16)) - 32768); + SDL_PrivateJoystickAxis(joystick, SDL_CONTROLLER_AXIS_TRIGGERRIGHT, ((int)(state.RightTrigger * SDL_MAX_UINT16)) - 32768); + has_trigger_data = SDL_TRUE; + } + } +#endif /* SDL_JOYSTICK_HIDAPI_WINDOWS_GAMING_INPUT */ + +#ifdef SDL_JOYSTICK_HIDAPI_WINDOWS_XINPUT + if (ctx->xinput_enabled) { + if (ctx->xinput_slot == XUSER_INDEX_ANY && HIDAPI_DriverXbox360_MissingXInputSlot()) { + WORD wButtons = 0; + + if (data[10] & 0x01) { + wButtons |= XINPUT_GAMEPAD_A; + } + if (data[10] & 0x02) { + wButtons |= XINPUT_GAMEPAD_B; + } + if (data[10] & 0x04) { + wButtons |= XINPUT_GAMEPAD_X; + } + if (data[10] & 0x08) { + wButtons |= XINPUT_GAMEPAD_Y; + } + if (wButtons != 0) { + Uint8 xinput_slot = HIDAPI_DriverXbox360_GuessXInputSlot(wButtons); + if (xinput_slot != XUSER_INDEX_ANY) { + HIDAPI_DriverXbox360_MarkXInputSlotUsed(xinput_slot); + ctx->xinput_slot = xinput_slot; + } + } + } + + if (!has_trigger_data && ctx->xinput_slot != XUSER_INDEX_ANY) { + XINPUT_STATE_EX xinput_state; + + if (XINPUTGETSTATE(ctx->xinput_slot, &xinput_state) == ERROR_SUCCESS) { + SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_GUIDE, (xinput_state.Gamepad.wButtons & XINPUT_GAMEPAD_GUIDE) ? SDL_PRESSED : SDL_RELEASED); + SDL_PrivateJoystickAxis(joystick, SDL_CONTROLLER_AXIS_TRIGGERLEFT, ((int)xinput_state.Gamepad.bLeftTrigger * 257) - 32768); + SDL_PrivateJoystickAxis(joystick, SDL_CONTROLLER_AXIS_TRIGGERRIGHT, ((int)xinput_state.Gamepad.bRightTrigger * 257) - 32768); + has_trigger_data = SDL_TRUE; + } + } + } +#endif /* SDL_JOYSTICK_HIDAPI_WINDOWS_XINPUT */ + + if (!has_trigger_data) { + axis = (data[9] * 257) - 32768; + if (data[9] < 0x80) { + axis = -axis * 2 - 32769; + SDL_PrivateJoystickAxis(joystick, SDL_CONTROLLER_AXIS_TRIGGERRIGHT, axis); + } else if (data[9] > 0x80) { + axis = axis * 2 - 32767; + SDL_PrivateJoystickAxis(joystick, SDL_CONTROLLER_AXIS_TRIGGERLEFT, axis); + } else { + SDL_PrivateJoystickAxis(joystick, SDL_CONTROLLER_AXIS_TRIGGERLEFT, SDL_MIN_SINT16); + SDL_PrivateJoystickAxis(joystick, SDL_CONTROLLER_AXIS_TRIGGERRIGHT, SDL_MIN_SINT16); + } + } + + SDL_memcpy(ctx->last_state, data, SDL_min(size, sizeof(ctx->last_state))); +} +#else + +static void +HIDAPI_DriverXbox360_HandleStatePacket(SDL_Joystick *joystick, hid_device *dev, SDL_DriverXbox360_Context *ctx, Uint8 *data, int size) +{ + Sint16 axis; +#ifdef __MACOSX__ + const SDL_bool invert_y_axes = SDL_FALSE; +#else + const SDL_bool invert_y_axes = SDL_TRUE; +#endif + + if (ctx->last_state[2] != data[2]) { + SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_DPAD_UP, (data[2] & 0x01) ? SDL_PRESSED : SDL_RELEASED); + SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_DPAD_DOWN, (data[2] & 0x02) ? SDL_PRESSED : SDL_RELEASED); + SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_DPAD_LEFT, (data[2] & 0x04) ? SDL_PRESSED : SDL_RELEASED); + SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_DPAD_RIGHT, (data[2] & 0x08) ? SDL_PRESSED : SDL_RELEASED); + SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_START, (data[2] & 0x10) ? SDL_PRESSED : SDL_RELEASED); + SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_BACK, (data[2] & 0x20) ? SDL_PRESSED : SDL_RELEASED); + SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_LEFTSTICK, (data[2] & 0x40) ? SDL_PRESSED : SDL_RELEASED); + SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_RIGHTSTICK, (data[2] & 0x80) ? SDL_PRESSED : SDL_RELEASED); + } + + if (ctx->last_state[3] != data[3]) { + SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_LEFTSHOULDER, (data[3] & 0x01) ? SDL_PRESSED : SDL_RELEASED); + SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_RIGHTSHOULDER, (data[3] & 0x02) ? SDL_PRESSED : SDL_RELEASED); + SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_GUIDE, (data[3] & 0x04) ? SDL_PRESSED : SDL_RELEASED); + SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_A, (data[3] & 0x10) ? SDL_PRESSED : SDL_RELEASED); + SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_B, (data[3] & 0x20) ? SDL_PRESSED : SDL_RELEASED); + SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_X, (data[3] & 0x40) ? SDL_PRESSED : SDL_RELEASED); + SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_Y, (data[3] & 0x80) ? SDL_PRESSED : SDL_RELEASED); + } + + axis = ((int)data[4] * 257) - 32768; + SDL_PrivateJoystickAxis(joystick, SDL_CONTROLLER_AXIS_TRIGGERLEFT, axis); + axis = ((int)data[5] * 257) - 32768; + SDL_PrivateJoystickAxis(joystick, SDL_CONTROLLER_AXIS_TRIGGERRIGHT, axis); + axis = *(Sint16*)(&data[6]); + SDL_PrivateJoystickAxis(joystick, SDL_CONTROLLER_AXIS_LEFTX, axis); + axis = *(Sint16*)(&data[8]); + if (invert_y_axes) { + axis = ~axis; + } + SDL_PrivateJoystickAxis(joystick, SDL_CONTROLLER_AXIS_LEFTY, axis); + axis = *(Sint16*)(&data[10]); + SDL_PrivateJoystickAxis(joystick, SDL_CONTROLLER_AXIS_RIGHTX, axis); + axis = *(Sint16*)(&data[12]); + if (invert_y_axes) { + axis = ~axis; + } + SDL_PrivateJoystickAxis(joystick, SDL_CONTROLLER_AXIS_RIGHTY, axis); + + SDL_memcpy(ctx->last_state, data, SDL_min(size, sizeof(ctx->last_state))); +} +#endif /* __WIN32__ */ + +#ifdef __MACOSX__ +static void +HIDAPI_DriverXboxOneS_HandleStatePacket(SDL_Joystick *joystick, hid_device *dev, SDL_DriverXbox360_Context *ctx, Uint8 *data, int size) +{ + Sint16 axis; + + if (ctx->last_state[14] != data[14]) { + SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_A, (data[14] & 0x01) ? SDL_PRESSED : SDL_RELEASED); + SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_B, (data[14] & 0x02) ? SDL_PRESSED : SDL_RELEASED); + SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_X, (data[14] & 0x08) ? SDL_PRESSED : SDL_RELEASED); + SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_Y, (data[14] & 0x10) ? SDL_PRESSED : SDL_RELEASED); + SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_LEFTSHOULDER, (data[14] & 0x40) ? SDL_PRESSED : SDL_RELEASED); + SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_RIGHTSHOULDER, (data[14] & 0x80) ? SDL_PRESSED : SDL_RELEASED); + } + + if (ctx->last_state[15] != data[15]) { + SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_START, (data[15] & 0x08) ? SDL_PRESSED : SDL_RELEASED); + SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_LEFTSTICK, (data[15] & 0x20) ? SDL_PRESSED : SDL_RELEASED); + SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_RIGHTSTICK, (data[15] & 0x40) ? SDL_PRESSED : SDL_RELEASED); + } + + if (ctx->last_state[16] != data[16]) { + SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_BACK, (data[16] & 0x01) ? SDL_PRESSED : SDL_RELEASED); + } + + if (ctx->last_state[13] != data[13]) { + SDL_bool dpad_up = SDL_FALSE; + SDL_bool dpad_down = SDL_FALSE; + SDL_bool dpad_left = SDL_FALSE; + SDL_bool dpad_right = SDL_FALSE; + + switch (data[13]) { + case 1: + dpad_up = SDL_TRUE; + break; + case 2: + dpad_up = SDL_TRUE; + dpad_right = SDL_TRUE; + break; + case 3: + dpad_right = SDL_TRUE; + break; + case 4: + dpad_right = SDL_TRUE; + dpad_down = SDL_TRUE; + break; + case 5: + dpad_down = SDL_TRUE; + break; + case 6: + dpad_left = SDL_TRUE; + dpad_down = SDL_TRUE; + break; + case 7: + dpad_left = SDL_TRUE; + break; + case 8: + dpad_up = SDL_TRUE; + dpad_left = SDL_TRUE; + break; + default: + break; + } + SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_DPAD_DOWN, dpad_down); + SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_DPAD_UP, dpad_up); + SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_DPAD_RIGHT, dpad_right); + SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_DPAD_LEFT, dpad_left); + } + + axis = (int)*(Uint16*)(&data[1]) - 0x8000; + SDL_PrivateJoystickAxis(joystick, SDL_CONTROLLER_AXIS_LEFTX, axis); + axis = (int)*(Uint16*)(&data[3]) - 0x8000; + SDL_PrivateJoystickAxis(joystick, SDL_CONTROLLER_AXIS_LEFTY, axis); + axis = (int)*(Uint16*)(&data[5]) - 0x8000; + SDL_PrivateJoystickAxis(joystick, SDL_CONTROLLER_AXIS_RIGHTX, axis); + axis = (int)*(Uint16*)(&data[7]) - 0x8000; + SDL_PrivateJoystickAxis(joystick, SDL_CONTROLLER_AXIS_RIGHTY, axis); + + axis = ((int)*(Sint16*)(&data[9]) * 64) - 32768; + if (axis == 32704) { + axis = 32767; + } + SDL_PrivateJoystickAxis(joystick, SDL_CONTROLLER_AXIS_TRIGGERLEFT, axis); + + axis = ((int)*(Sint16*)(&data[11]) * 64) - 32768; + if (axis == 32704) { + axis = 32767; + } + SDL_PrivateJoystickAxis(joystick, SDL_CONTROLLER_AXIS_TRIGGERRIGHT, axis); + + SDL_memcpy(ctx->last_state, data, SDL_min(size, sizeof(ctx->last_state))); +} + +static void +HIDAPI_DriverXboxOneS_HandleGuidePacket(SDL_Joystick *joystick, hid_device *dev, SDL_DriverXbox360_Context *ctx, Uint8 *data, int size) +{ + SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_GUIDE, (data[1] & 0x01) ? SDL_PRESSED : SDL_RELEASED); +} +#endif /* __MACOSX__ */ + +static SDL_bool +HIDAPI_DriverXbox360_Update(SDL_Joystick *joystick, hid_device *dev, void *context) +{ + SDL_DriverXbox360_Context *ctx = (SDL_DriverXbox360_Context *)context; + Uint8 data[USB_PACKET_LENGTH]; + int size; + + while ((size = hid_read_timeout(dev, data, sizeof(data), 0)) > 0) { +#ifdef __WIN32__ + HIDAPI_DriverXbox360_HandleStatePacket(joystick, dev, ctx, data, size); +#else + switch (data[0]) { + case 0x00: + HIDAPI_DriverXbox360_HandleStatePacket(joystick, dev, ctx, data, size); + break; +#ifdef __MACOSX__ + case 0x01: + HIDAPI_DriverXboxOneS_HandleStatePacket(joystick, dev, ctx, data, size); + break; + case 0x02: + HIDAPI_DriverXboxOneS_HandleGuidePacket(joystick, dev, ctx, data, size); + break; +#endif + default: +#ifdef DEBUG_JOYSTICK + SDL_Log("Unknown Xbox 360 packet, size = %d\n", size); + SDL_Log("%.2x %.2x %.2x %.2x %.2x %.2x %.2x %.2x %.2x %.2x %.2x %.2x %.2x %.2x %.2x %.2x %.2x\n", + data[0], data[1], data[2], data[3], data[4], data[5], data[6], data[7], + data[8], data[9], data[10], data[11], data[12], data[13], data[14], data[15], data[16]); +#endif + break; + } +#endif /* __WIN32__ */ + } + + if (ctx->rumble_expiration) { + Uint32 now = SDL_GetTicks(); + if (SDL_TICKS_PASSED(now, ctx->rumble_expiration)) { + HIDAPI_DriverXbox360_Rumble(joystick, dev, context, 0, 0, 0); + } + } + + return (size >= 0); +} + +static void +HIDAPI_DriverXbox360_Quit(SDL_Joystick *joystick, hid_device *dev, void *context) +{ +#if defined(SDL_JOYSTICK_HIDAPI_WINDOWS_XINPUT) || defined(SDL_JOYSTICK_HIDAPI_WINDOWS_GAMING_INPUT) + SDL_DriverXbox360_Context *ctx = (SDL_DriverXbox360_Context *)context; +#endif + +#ifdef SDL_JOYSTICK_HIDAPI_WINDOWS_XINPUT + if (ctx->xinput_enabled) { + HIDAPI_DriverXbox360_MarkXInputSlotFree(ctx->xinput_slot); + WIN_UnloadXInputDLL(); + } +#endif +#ifdef SDL_JOYSTICK_HIDAPI_WINDOWS_GAMING_INPUT + HIDAPI_DriverXbox360_InitWindowsGamingInput(ctx); +#endif + SDL_free(context); +} + +SDL_HIDAPI_DeviceDriver SDL_HIDAPI_DriverXbox360 = +{ + SDL_HINT_JOYSTICK_HIDAPI_XBOX, + SDL_TRUE, + HIDAPI_DriverXbox360_IsSupportedDevice, + HIDAPI_DriverXbox360_GetDeviceName, + HIDAPI_DriverXbox360_Init, + HIDAPI_DriverXbox360_Rumble, + HIDAPI_DriverXbox360_Update, + HIDAPI_DriverXbox360_Quit +}; + +#endif /* SDL_JOYSTICK_HIDAPI_XBOX360 */ + +#endif /* SDL_JOYSTICK_HIDAPI */ + +/* vi: set ts=4 sw=4 expandtab: */ |