//======================================================================== // GLFW 3.4 Win32 - www.glfw.org //------------------------------------------------------------------------ // Copyright (c) 2002-2006 Marcus Geelnard // Copyright (c) 2006-2019 Camilla Löwy // // 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. // //======================================================================== // Please use C89 style variable declarations in this file because VS 2010 //======================================================================== #include "internal.h" #include #include #define _GLFW_TYPE_AXIS 0 #define _GLFW_TYPE_SLIDER 1 #define _GLFW_TYPE_BUTTON 2 #define _GLFW_TYPE_POV 3 // Data produced with DirectInput device object enumeration // typedef struct _GLFWobjenumWin32 { IDirectInputDevice8W* device; _GLFWjoyobjectWin32* objects; int objectCount; int axisCount; int sliderCount; int buttonCount; int povCount; } _GLFWobjenumWin32; // Define local copies of the necessary GUIDs // static const GUID _glfw_IID_IDirectInput8W = {0xbf798031,0x483a,0x4da2,{0xaa,0x99,0x5d,0x64,0xed,0x36,0x97,0x00}}; static const GUID _glfw_GUID_XAxis = {0xa36d02e0,0xc9f3,0x11cf,{0xbf,0xc7,0x44,0x45,0x53,0x54,0x00,0x00}}; static const GUID _glfw_GUID_YAxis = {0xa36d02e1,0xc9f3,0x11cf,{0xbf,0xc7,0x44,0x45,0x53,0x54,0x00,0x00}}; static const GUID _glfw_GUID_ZAxis = {0xa36d02e2,0xc9f3,0x11cf,{0xbf,0xc7,0x44,0x45,0x53,0x54,0x00,0x00}}; static const GUID _glfw_GUID_RxAxis = {0xa36d02f4,0xc9f3,0x11cf,{0xbf,0xc7,0x44,0x45,0x53,0x54,0x00,0x00}}; static const GUID _glfw_GUID_RyAxis = {0xa36d02f5,0xc9f3,0x11cf,{0xbf,0xc7,0x44,0x45,0x53,0x54,0x00,0x00}}; static const GUID _glfw_GUID_RzAxis = {0xa36d02e3,0xc9f3,0x11cf,{0xbf,0xc7,0x44,0x45,0x53,0x54,0x00,0x00}}; static const GUID _glfw_GUID_Slider = {0xa36d02e4,0xc9f3,0x11cf,{0xbf,0xc7,0x44,0x45,0x53,0x54,0x00,0x00}}; static const GUID _glfw_GUID_POV = {0xa36d02f2,0xc9f3,0x11cf,{0xbf,0xc7,0x44,0x45,0x53,0x54,0x00,0x00}}; #define IID_IDirectInput8W _glfw_IID_IDirectInput8W #define GUID_XAxis _glfw_GUID_XAxis #define GUID_YAxis _glfw_GUID_YAxis #define GUID_ZAxis _glfw_GUID_ZAxis #define GUID_RxAxis _glfw_GUID_RxAxis #define GUID_RyAxis _glfw_GUID_RyAxis #define GUID_RzAxis _glfw_GUID_RzAxis #define GUID_Slider _glfw_GUID_Slider #define GUID_POV _glfw_GUID_POV // Object data array for our clone of c_dfDIJoystick // Generated with https://github.com/elmindreda/c_dfDIJoystick2 // static DIOBJECTDATAFORMAT _glfwObjectDataFormats[] = { { &GUID_XAxis,DIJOFS_X,DIDFT_AXIS|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,DIDOI_ASPECTPOSITION }, { &GUID_YAxis,DIJOFS_Y,DIDFT_AXIS|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,DIDOI_ASPECTPOSITION }, { &GUID_ZAxis,DIJOFS_Z,DIDFT_AXIS|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,DIDOI_ASPECTPOSITION }, { &GUID_RxAxis,DIJOFS_RX,DIDFT_AXIS|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,DIDOI_ASPECTPOSITION }, { &GUID_RyAxis,DIJOFS_RY,DIDFT_AXIS|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,DIDOI_ASPECTPOSITION }, { &GUID_RzAxis,DIJOFS_RZ,DIDFT_AXIS|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,DIDOI_ASPECTPOSITION }, { &GUID_Slider,DIJOFS_SLIDER(0),DIDFT_AXIS|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,DIDOI_ASPECTPOSITION }, { &GUID_Slider,DIJOFS_SLIDER(1),DIDFT_AXIS|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,DIDOI_ASPECTPOSITION }, { &GUID_POV,DIJOFS_POV(0),DIDFT_POV|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,0 }, { &GUID_POV,DIJOFS_POV(1),DIDFT_POV|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,0 }, { &GUID_POV,DIJOFS_POV(2),DIDFT_POV|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,0 }, { &GUID_POV,DIJOFS_POV(3),DIDFT_POV|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,0 }, { NULL,DIJOFS_BUTTON(0),DIDFT_BUTTON|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,0 }, { NULL,DIJOFS_BUTTON(1),DIDFT_BUTTON|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,0 }, { NULL,DIJOFS_BUTTON(2),DIDFT_BUTTON|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,0 }, { NULL,DIJOFS_BUTTON(3),DIDFT_BUTTON|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,0 }, { NULL,DIJOFS_BUTTON(4),DIDFT_BUTTON|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,0 }, { NULL,DIJOFS_BUTTON(5),DIDFT_BUTTON|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,0 }, { NULL,DIJOFS_BUTTON(6),DIDFT_BUTTON|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,0 }, { NULL,DIJOFS_BUTTON(7),DIDFT_BUTTON|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,0 }, { NULL,DIJOFS_BUTTON(8),DIDFT_BUTTON|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,0 }, { NULL,DIJOFS_BUTTON(9),DIDFT_BUTTON|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,0 }, { NULL,DIJOFS_BUTTON(10),DIDFT_BUTTON|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,0 }, { NULL,DIJOFS_BUTTON(11),DIDFT_BUTTON|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,0 }, { NULL,DIJOFS_BUTTON(12),DIDFT_BUTTON|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,0 }, { NULL,DIJOFS_BUTTON(13),DIDFT_BUTTON|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,0 }, { NULL,DIJOFS_BUTTON(14),DIDFT_BUTTON|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,0 }, { NULL,DIJOFS_BUTTON(15),DIDFT_BUTTON|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,0 }, { NULL,DIJOFS_BUTTON(16),DIDFT_BUTTON|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,0 }, { NULL,DIJOFS_BUTTON(17),DIDFT_BUTTON|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,0 }, { NULL,DIJOFS_BUTTON(18),DIDFT_BUTTON|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,0 }, { NULL,DIJOFS_BUTTON(19),DIDFT_BUTTON|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,0 }, { NULL,DIJOFS_BUTTON(20),DIDFT_BUTTON|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,0 }, { NULL,DIJOFS_BUTTON(21),DIDFT_BUTTON|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,0 }, { NULL,DIJOFS_BUTTON(22),DIDFT_BUTTON|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,0 }, { NULL,DIJOFS_BUTTON(23),DIDFT_BUTTON|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,0 }, { NULL,DIJOFS_BUTTON(24),DIDFT_BUTTON|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,0 }, { NULL,DIJOFS_BUTTON(25),DIDFT_BUTTON|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,0 }, { NULL,DIJOFS_BUTTON(26),DIDFT_BUTTON|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,0 }, { NULL,DIJOFS_BUTTON(27),DIDFT_BUTTON|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,0 }, { NULL,DIJOFS_BUTTON(28),DIDFT_BUTTON|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,0 }, { NULL,DIJOFS_BUTTON(29),DIDFT_BUTTON|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,0 }, { NULL,DIJOFS_BUTTON(30),DIDFT_BUTTON|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,0 }, { NULL,DIJOFS_BUTTON(31),DIDFT_BUTTON|DIDFT_OPTIONAL|DIDFT_ANYINSTANCE,0 }, }; // Our clone of c_dfDIJoystick // static const DIDATAFORMAT _glfwDataFormat = { sizeof(DIDATAFORMAT), sizeof(DIOBJECTDATAFORMAT), DIDFT_ABSAXIS, sizeof(DIJOYSTATE), sizeof(_glfwObjectDataFormats) / sizeof(DIOBJECTDATAFORMAT), _glfwObjectDataFormats }; // Returns a description fitting the specified XInput capabilities // static const char* getDeviceDescription(const XINPUT_CAPABILITIES* xic) { switch (xic->SubType) { case XINPUT_DEVSUBTYPE_WHEEL: return "XInput Wheel"; case XINPUT_DEVSUBTYPE_ARCADE_STICK: return "XInput Arcade Stick"; case XINPUT_DEVSUBTYPE_FLIGHT_STICK: return "XInput Flight Stick"; case XINPUT_DEVSUBTYPE_DANCE_PAD: return "XInput Dance Pad"; case XINPUT_DEVSUBTYPE_GUITAR: return "XInput Guitar"; case XINPUT_DEVSUBTYPE_DRUM_KIT: return "XInput Drum Kit"; case XINPUT_DEVSUBTYPE_GAMEPAD: { if (xic->Flags & XINPUT_CAPS_WIRELESS) return "Wireless Xbox Controller"; else return "Xbox Controller"; } } return "Unknown XInput Device"; } // Lexically compare device objects // static int compareJoystickObjects(const void* first, const void* second) { const _GLFWjoyobjectWin32* fo = first; const _GLFWjoyobjectWin32* so = second; if (fo->type != so->type) return fo->type - so->type; return fo->offset - so->offset; } // Checks whether the specified device supports XInput // Technique from FDInputJoystickManager::IsXInputDeviceFast in ZDoom // static GLFWbool supportsXInput(const GUID* guid) { UINT i, count = 0; RAWINPUTDEVICELIST* ridl; GLFWbool result = GLFW_FALSE; if (GetRawInputDeviceList(NULL, &count, sizeof(RAWINPUTDEVICELIST)) != 0) return GLFW_FALSE; ridl = calloc(count, sizeof(RAWINPUTDEVICELIST)); if (GetRawInputDeviceList(ridl, &count, sizeof(RAWINPUTDEVICELIST)) == (UINT) -1) { free(ridl); return GLFW_FALSE; } for (i = 0; i < count; i++) { RID_DEVICE_INFO rdi; char name[256]; UINT size; if (ridl[i].dwType != RIM_TYPEHID) continue; ZeroMemory(&rdi, sizeof(rdi)); rdi.cbSize = sizeof(rdi); size = sizeof(rdi); if ((INT) GetRawInputDeviceInfoA(ridl[i].hDevice, RIDI_DEVICEINFO, &rdi, &size) == -1) { continue; } if (MAKELONG(rdi.hid.dwVendorId, rdi.hid.dwProductId) != (LONG) guid->Data1) continue; memset(name, 0, sizeof(name)); size = sizeof(name); if ((INT) GetRawInputDeviceInfoA(ridl[i].hDevice, RIDI_DEVICENAME, name, &size) == -1) { break; } name[sizeof(name) - 1] = '\0'; if (strstr(name, "IG_")) { result = GLFW_TRUE; break; } } free(ridl); return result; } // Frees all resources associated with the specified joystick // static void closeJoystick(_GLFWjoystick* js) { if (js->win32.device) { IDirectInputDevice8_Unacquire(js->win32.device); IDirectInputDevice8_Release(js->win32.device); } free(js->win32.objects); _glfwFreeJoystick(js); _glfwInputJoystick(js, GLFW_DISCONNECTED); } // DirectInput device object enumeration callback // Insights gleaned from SDL // static BOOL CALLBACK deviceObjectCallback(const DIDEVICEOBJECTINSTANCEW* doi, void* user) { _GLFWobjenumWin32* data = user; _GLFWjoyobjectWin32* object = data->objects + data->objectCount; if (DIDFT_GETTYPE(doi->dwType) & DIDFT_AXIS) { DIPROPRANGE dipr; if (memcmp(&doi->guidType, &GUID_Slider, sizeof(GUID)) == 0) object->offset = DIJOFS_SLIDER(data->sliderCount); else if (memcmp(&doi->guidType, &GUID_XAxis, sizeof(GUID)) == 0) object->offset = DIJOFS_X; else if (memcmp(&doi->guidType, &GUID_YAxis, sizeof(GUID)) == 0) object->offset = DIJOFS_Y; else if (memcmp(&doi->guidType, &GUID_ZAxis, sizeof(GUID)) == 0) object->offset = DIJOFS_Z; else if (memcmp(&doi->guidType, &GUID_RxAxis, sizeof(GUID)) == 0) object->offset = DIJOFS_RX; else if (memcmp(&doi->guidType, &GUID_RyAxis, sizeof(GUID)) == 0) object->offset = DIJOFS_RY; else if (memcmp(&doi->guidType, &GUID_RzAxis, sizeof(GUID)) == 0) object->offset = DIJOFS_RZ; else return DIENUM_CONTINUE; ZeroMemory(&dipr, sizeof(dipr)); dipr.diph.dwSize = sizeof(dipr); dipr.diph.dwHeaderSize = sizeof(dipr.diph); dipr.diph.dwObj = doi->dwType; dipr.diph.dwHow = DIPH_BYID; dipr.lMin = -32768; dipr.lMax = 32767; if (FAILED(IDirectInputDevice8_SetProperty(data->device, DIPROP_RANGE, &dipr.diph))) { return DIENUM_CONTINUE; } if (memcmp(&doi->guidType, &GUID_Slider, sizeof(GUID)) == 0) { object->type = _GLFW_TYPE_SLIDER; data->sliderCount++; } else { object->type = _GLFW_TYPE_AXIS; data->axisCount++; } } else if (DIDFT_GETTYPE(doi->dwType) & DIDFT_BUTTON) { object->offset = DIJOFS_BUTTON(data->buttonCount); object->type = _GLFW_TYPE_BUTTON; data->buttonCount++; } else if (DIDFT_GETTYPE(doi->dwType) & DIDFT_POV) { object->offset = DIJOFS_POV(data->povCount); object->type = _GLFW_TYPE_POV; data->povCount++; } data->objectCount++; return DIENUM_CONTINUE; } // DirectInput device enumeration callback // static BOOL CALLBACK deviceCallback(const DIDEVICEINSTANCE* di, void* user) { int jid = 0; DIDEVCAPS dc; DIPROPDWORD dipd; IDirectInputDevice8* device; _GLFWobjenumWin32 data; _GLFWjoystick* js; char guid[33]; char name[256]; for (jid = 0; jid <= GLFW_JOYSTICK_LAST; jid++) { _GLFWjoystick* js = _glfw.joysticks + jid; if (js->present) { if (memcmp(&js->win32.guid, &di->guidInstance, sizeof(GUID)) == 0) return DIENUM_CONTINUE; } } if (supportsXInput(&di->guidProduct)) return DIENUM_CONTINUE; if (FAILED(IDirectInput8_CreateDevice(_glfw.win32.dinput8.api, &di->guidInstance, &device, NULL))) { _glfwInputError(GLFW_PLATFORM_ERROR, "Win32: Failed to create device"); return DIENUM_CONTINUE; } if (FAILED(IDirectInputDevice8_SetDataFormat(device, &_glfwDataFormat))) { _glfwInputError(GLFW_PLATFORM_ERROR, "Win32: Failed to set device data format"); IDirectInputDevice8_Release(device); return DIENUM_CONTINUE; } ZeroMemory(&dc, sizeof(dc)); dc.dwSize = sizeof(dc); if (FAILED(IDirectInputDevice8_GetCapabilities(device, &dc))) { _glfwInputError(GLFW_PLATFORM_ERROR, "Win32: Failed to query device capabilities"); IDirectInputDevice8_Release(device); return DIENUM_CONTINUE; } ZeroMemory(&dipd, sizeof(dipd)); dipd.diph.dwSize = sizeof(dipd); dipd.diph.dwHeaderSize = sizeof(dipd.diph); dipd.diph.dwHow = DIPH_DEVICE; dipd.dwData = DIPROPAXISMODE_ABS; if (FAILED(IDirectInputDevice8_SetProperty(device, DIPROP_AXISMODE, &dipd.diph))) { _glfwInputError(GLFW_PLATFORM_ERROR, "Win32: Failed to set device axis mode"); IDirectInputDevice8_Release(device); return DIENUM_CONTINUE; } memset(&data, 0, sizeof(data)); data.device = device; data.objects = calloc(dc.dwAxes + (size_t) dc.dwButtons + dc.dwPOVs, sizeof(_GLFWjoyobjectWin32)); if (FAILED(IDirectInputDevice8_EnumObjects(device, deviceObjectCallback, &data, DIDFT_AXIS | DIDFT_BUTTON | DIDFT_POV))) { _glfwInputError(GLFW_PLATFORM_ERROR, "Win32: Failed to enumerate device objects"); IDirectInputDevice8_Release(device); free(data.objects); return DIENUM_CONTINUE; } qsort(data.objects, data.objectCount, sizeof(_GLFWjoyobjectWin32), compareJoystickObjects); if (!WideCharToMultiByte(CP_UTF8, 0, di->tszInstanceName, -1, name, sizeof(name), NULL, NULL)) { _glfwInputError(GLFW_PLATFORM_ERROR, "Win32: Failed to convert joystick name to UTF-8"); IDirectInputDevice8_Release(device); free(data.objects); return DIENUM_STOP; } // Generate a joystick GUID that matches the SDL 2.0.5+ one if (memcmp(&di->guidProduct.Data4[2], "PIDVID", 6) == 0) { sprintf(guid, "03000000%02x%02x0000%02x%02x000000000000", (uint8_t) di->guidProduct.Data1, (uint8_t) (di->guidProduct.Data1 >> 8), (uint8_t) (di->guidProduct.Data1 >> 16), (uint8_t) (di->guidProduct.Data1 >> 24)); } else { sprintf(guid, "05000000%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x00", name[0], name[1], name[2], name[3], name[4], name[5], name[6], name[7], name[8], name[9], name[10]); } js = _glfwAllocJoystick(name, guid, data.axisCount + data.sliderCount, data.buttonCount, data.povCount); if (!js) { IDirectInputDevice8_Release(device); free(data.objects); return DIENUM_STOP; } js->win32.device = device; js->win32.guid = di->guidInstance; js->win32.objects = data.objects; js->win32.objectCount = data.objectCount; _glfwInputJoystick(js, GLFW_CONNECTED); return DIENUM_CONTINUE; } ////////////////////////////////////////////////////////////////////////// ////// GLFW internal API ////// ////////////////////////////////////////////////////////////////////////// // Initialize joystick interface // void _glfwInitJoysticksWin32(void) { if (_glfw.win32.dinput8.instance) { if (FAILED(DirectInput8Create(GetModuleHandle(NULL), DIRECTINPUT_VERSION, &IID_IDirectInput8W, (void**) &_glfw.win32.dinput8.api, NULL))) { _glfwInputError(GLFW_PLATFORM_ERROR, "Win32: Failed to create interface"); } } _glfwDetectJoystickConnectionWin32(); } // Close all opened joystick handles // void _glfwTerminateJoysticksWin32(void) { int jid; for (jid = GLFW_JOYSTICK_1; jid <= GLFW_JOYSTICK_LAST; jid++) closeJoystick(_glfw.joysticks + jid); if (_glfw.win32.dinput8.api) IDirectInput8_Release(_glfw.win32.dinput8.api); } // Checks for new joysticks after DBT_DEVICEARRIVAL // void _glfwDetectJoystickConnectionWin32(void) { if (_glfw.win32.xinput.instance) { DWORD index; for (index = 0; index < XUSER_MAX_COUNT; index++) { int jid; char guid[33]; XINPUT_CAPABILITIES xic; _GLFWjoystick* js; for (jid = 0; jid <= GLFW_JOYSTICK_LAST; jid++) { if (_glfw.joysticks[jid].present && _glfw.joysticks[jid].win32.device == NULL && _glfw.joysticks[jid].win32.index == index) { break; } } if (jid <= GLFW_JOYSTICK_LAST) continue; if (XInputGetCapabilities(index, 0, &xic) != ERROR_SUCCESS) continue; // Generate a joystick GUID that matches the SDL 2.0.5+ one sprintf(guid, "78696e707574%02x000000000000000000", xic.SubType & 0xff); js = _glfwAllocJoystick(getDeviceDescription(&xic), guid, 6, 10, 1); if (!js) continue; js->win32.index = index; _glfwInputJoystick(js, GLFW_CONNECTED); } } if (_glfw.win32.dinput8.api) { if (FAILED(IDirectInput8_EnumDevices(_glfw.win32.dinput8.api, DI8DEVCLASS_GAMECTRL, deviceCallback, NULL, DIEDFL_ALLDEVICES))) { _glfwInputError(GLFW_PLATFORM_ERROR, "Failed to enumerate DirectInput8 devices"); return; } } } // Checks for joystick disconnection after DBT_DEVICEREMOVECOMPLETE // void _glfwDetectJoystickDisconnectionWin32(void) { int jid; for (jid = 0; jid <= GLFW_JOYSTICK_LAST; jid++) { _GLFWjoystick* js = _glfw.joysticks + jid; if (js->present) _glfwPlatformPollJoystick(js, _GLFW_POLL_PRESENCE); } } ////////////////////////////////////////////////////////////////////////// ////// GLFW platform API ////// ////////////////////////////////////////////////////////////////////////// int _glfwPlatformPollJoystick(_GLFWjoystick* js, int mode) { if (js->win32.device) { int i, ai = 0, bi = 0, pi = 0; HRESULT result; DIJOYSTATE state; IDirectInputDevice8_Poll(js->win32.device); result = IDirectInputDevice8_GetDeviceState(js->win32.device, sizeof(state), &state); if (result == DIERR_NOTACQUIRED || result == DIERR_INPUTLOST) { IDirectInputDevice8_Acquire(js->win32.device); IDirectInputDevice8_Poll(js->win32.device); result = IDirectInputDevice8_GetDeviceState(js->win32.device, sizeof(state), &state); } if (FAILED(result)) { closeJoystick(js); return GLFW_FALSE; } if (mode == _GLFW_POLL_PRESENCE) return GLFW_TRUE; for (i = 0; i < js->win32.objectCount; i++) { const void* data = (char*) &state + js->win32.objects[i].offset; switch (js->win32.objects[i].type) { case _GLFW_TYPE_AXIS: case _GLFW_TYPE_SLIDER: { const float value = (*((LONG*) data) + 0.5f) / 32767.5f; _glfwInputJoystickAxis(js, ai, value); ai++; break; } case _GLFW_TYPE_BUTTON: { const char value = (*((BYTE*) data) & 0x80) != 0; _glfwInputJoystickButton(js, bi, value); bi++; break; } case _GLFW_TYPE_POV: { const int states[9] = { GLFW_HAT_UP, GLFW_HAT_RIGHT_UP, GLFW_HAT_RIGHT, GLFW_HAT_RIGHT_DOWN, GLFW_HAT_DOWN, GLFW_HAT_LEFT_DOWN, GLFW_HAT_LEFT, GLFW_HAT_LEFT_UP, GLFW_HAT_CENTERED }; // Screams of horror are appropriate at this point int state = LOWORD(*(DWORD*) data) / (45 * DI_DEGREES); if (state < 0 || state > 8) state = 8; _glfwInputJoystickHat(js, pi, states[state]); pi++; break; } } } } else { int i, dpad = 0; DWORD result; XINPUT_STATE xis; const WORD buttons[10] = { XINPUT_GAMEPAD_A, XINPUT_GAMEPAD_B, XINPUT_GAMEPAD_X, XINPUT_GAMEPAD_Y, XINPUT_GAMEPAD_LEFT_SHOULDER, XINPUT_GAMEPAD_RIGHT_SHOULDER, XINPUT_GAMEPAD_BACK, XINPUT_GAMEPAD_START, XINPUT_GAMEPAD_LEFT_THUMB, XINPUT_GAMEPAD_RIGHT_THUMB }; result = XInputGetState(js->win32.index, &xis); if (result != ERROR_SUCCESS) { if (result == ERROR_DEVICE_NOT_CONNECTED) closeJoystick(js); return GLFW_FALSE; } if (mode == _GLFW_POLL_PRESENCE) return GLFW_TRUE; _glfwInputJoystickAxis(js, 0, (xis.Gamepad.sThumbLX + 0.5f) / 32767.5f); _glfwInputJoystickAxis(js, 1, -(xis.Gamepad.sThumbLY + 0.5f) / 32767.5f); _glfwInputJoystickAxis(js, 2, (xis.Gamepad.sThumbRX + 0.5f) / 32767.5f); _glfwInputJoystickAxis(js, 3, -(xis.Gamepad.sThumbRY + 0.5f) / 32767.5f); _glfwInputJoystickAxis(js, 4, xis.Gamepad.bLeftTrigger / 127.5f - 1.f); _glfwInputJoystickAxis(js, 5, xis.Gamepad.bRightTrigger / 127.5f - 1.f); for (i = 0; i < 10; i++) { const char value = (xis.Gamepad.wButtons & buttons[i]) ? 1 : 0; _glfwInputJoystickButton(js, i, value); } if (xis.Gamepad.wButtons & XINPUT_GAMEPAD_DPAD_UP) dpad |= GLFW_HAT_UP; if (xis.Gamepad.wButtons & XINPUT_GAMEPAD_DPAD_RIGHT) dpad |= GLFW_HAT_RIGHT; if (xis.Gamepad.wButtons & XINPUT_GAMEPAD_DPAD_DOWN) dpad |= GLFW_HAT_DOWN; if (xis.Gamepad.wButtons & XINPUT_GAMEPAD_DPAD_LEFT) dpad |= GLFW_HAT_LEFT; _glfwInputJoystickHat(js, 0, dpad); } return GLFW_TRUE; } void _glfwPlatformUpdateGamepadGUID(char* guid) { if (strcmp(guid + 20, "504944564944") == 0) { char original[33]; strncpy(original, guid, sizeof(original) - 1); sprintf(guid, "03000000%.4s0000%.4s000000000000", original, original + 4); } }