//======================================================================== // GLFW 3.1 Win32 - www.glfw.org //------------------------------------------------------------------------ // Copyright (c) 2002-2006 Marcus Geelnard // Copyright (c) 2006-2015 Camilla Berglund // // 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 "internal.h" #include #include #define _GLFW_PRESENCE_ONLY 1 #define _GLFW_UPDATE_STATE 2 #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 only the necessary GUIDs (it's bad enough that we're exporting these) // DEFINE_GUID(IID_IDirectInput8W,0xbf798031,0x483a,0x4da2,0xaa,0x99,0x5d,0x64,0xed,0x36,0x97,0x00); DEFINE_GUID(GUID_XAxis,0xa36d02e0,0xc9f3,0x11cf,0xbf,0xc7,0x44,0x45,0x53,0x54,0x00,0x00); DEFINE_GUID(GUID_YAxis,0xa36d02e1,0xc9f3,0x11cf,0xbf,0xc7,0x44,0x45,0x53,0x54,0x00,0x00); DEFINE_GUID(GUID_ZAxis,0xa36d02e2,0xc9f3,0x11cf,0xbf,0xc7,0x44,0x45,0x53,0x54,0x00,0x00); DEFINE_GUID(GUID_RxAxis,0xa36d02f4,0xc9f3,0x11cf,0xbf,0xc7,0x44,0x45,0x53,0x54,0x00,0x00); DEFINE_GUID(GUID_RyAxis,0xa36d02f5,0xc9f3,0x11cf,0xbf,0xc7,0x44,0x45,0x53,0x54,0x00,0x00); DEFINE_GUID(GUID_RzAxis,0xa36d02e3,0xc9f3,0x11cf,0xbf,0xc7,0x44,0x45,0x53,0x54,0x00,0x00); DEFINE_GUID(GUID_Slider,0xa36d02e4,0xc9f3,0x11cf,0xbf,0xc7,0x44,0x45,0x53,0x54,0x00,0x00); DEFINE_GUID(GUID_Button,0xa36d02f0,0xc9f3,0x11cf,0xbf,0xc7,0x44,0x45,0x53,0x54,0x00,0x00); DEFINE_GUID(GUID_POV,0xa36d02f2,0xc9f3,0x11cf,0xbf,0xc7,0x44,0x45,0x53,0x54,0x00,0x00); // 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 360 Controller"; else return "Xbox 360 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; 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)) == -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) != 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(_GLFWjoystickWin32* js) { if (js->device) { IDirectInputDevice8_Unacquire(js->device); IDirectInputDevice8_Release(js->device); } free(js->name); free(js->axes); free(js->buttons); free(js->objects); memset(js, 0, sizeof(_GLFWjoystickWin32)); _glfwInputJoystickChange((int) (js - _glfw.win32_js), GLFW_DISCONNECTED); } // DirectInput device object enumeration callback // Insights gleaned from SDL2 // 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 joy = 0; DIDEVCAPS dc; DIPROPDWORD dipd; IDirectInputDevice8* device; _GLFWobjenumWin32 data; _GLFWjoystickWin32* js; for (joy = GLFW_JOYSTICK_1; joy <= GLFW_JOYSTICK_LAST; joy++) { if (memcmp(&_glfw.win32_js[joy].guid, &di->guidInstance, sizeof(GUID)) == 0) return DIENUM_CONTINUE; } for (joy = GLFW_JOYSTICK_1; joy <= GLFW_JOYSTICK_LAST; joy++) { if (!_glfw.win32_js[joy].present) break; } if (joy > GLFW_JOYSTICK_LAST) return DIENUM_STOP; if (supportsXInput(&di->guidProduct)) return DIENUM_CONTINUE; if (FAILED(IDirectInput8_CreateDevice(_glfw.win32.dinput8.api, &di->guidInstance, &device, NULL))) { _glfwInputError(GLFW_PLATFORM_ERROR, "DI: Failed to create device"); return DIENUM_CONTINUE; } if (FAILED(IDirectInputDevice8_SetDataFormat(device, &_glfwDataFormat))) { _glfwInputError(GLFW_PLATFORM_ERROR, "DI: 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, "DI: 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, "DI: 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 + dc.dwButtons + dc.dwPOVs, sizeof(_GLFWjoyobjectWin32)); if (FAILED(IDirectInputDevice8_EnumObjects(device, deviceObjectCallback, &data, DIDFT_AXIS | DIDFT_BUTTON | DIDFT_POV))) { _glfwInputError(GLFW_PLATFORM_ERROR, "DI: Failed to enumerate device objects"); IDirectInputDevice8_Release(device); free(data.objects); return DIENUM_CONTINUE; } qsort(data.objects, data.objectCount, sizeof(_GLFWjoyobjectWin32), compareJoystickObjects); js = _glfw.win32_js + joy; js->device = device; js->guid = di->guidInstance; js->axisCount = data.axisCount + data.sliderCount; js->axes = calloc(js->axisCount, sizeof(float)); js->buttonCount += data.buttonCount + data.povCount * 4; js->buttons = calloc(js->buttonCount, 1); js->objects = data.objects; js->objectCount = data.objectCount; js->name = _glfwCreateUTF8FromWideStringWin32(di->tszInstanceName); js->present = GLFW_TRUE; _glfwInputJoystickChange(joy, GLFW_CONNECTED); return DIENUM_CONTINUE; } // Attempt to open the specified joystick device // TODO: Pack state arrays for non-gamepad devices // static GLFWbool openXinputDevice(DWORD index) { int joy; XINPUT_CAPABILITIES xic; _GLFWjoystickWin32* js; for (joy = GLFW_JOYSTICK_1; joy <= GLFW_JOYSTICK_LAST; joy++) { if (_glfw.win32_js[joy].present && _glfw.win32_js[joy].device == NULL && _glfw.win32_js[joy].index == index) { return GLFW_FALSE; } } for (joy = GLFW_JOYSTICK_1; joy <= GLFW_JOYSTICK_LAST; joy++) { if (!_glfw.win32_js[joy].present) break; } if (joy > GLFW_JOYSTICK_LAST) return GLFW_FALSE; if (_glfw_XInputGetCapabilities(index, 0, &xic) != ERROR_SUCCESS) return GLFW_FALSE; js = _glfw.win32_js + joy; js->axisCount = 6; js->axes = calloc(js->axisCount, sizeof(float)); js->buttonCount = 14; js->buttons = calloc(js->buttonCount, 1); js->present = GLFW_TRUE; js->name = strdup(getDeviceDescription(&xic)); js->index = index; _glfwInputJoystickChange(joy, GLFW_CONNECTED); return GLFW_TRUE; } // Polls for and processes events the specified joystick // static GLFWbool pollJoystickState(_GLFWjoystickWin32* js, int mode) { if (!js->present) return GLFW_FALSE; if (js->device) { int i, j, ai = 0, bi = 0; HRESULT result; DIJOYSTATE state; IDirectInputDevice8_Poll(js->device); result = IDirectInputDevice8_GetDeviceState(js->device, sizeof(state), &state); if (result == DIERR_NOTACQUIRED || result == DIERR_INPUTLOST) { IDirectInputDevice8_Acquire(js->device); IDirectInputDevice8_Poll(js->device); result = IDirectInputDevice8_GetDeviceState(js->device, sizeof(state), &state); } if (FAILED(result)) { closeJoystick(js); return GLFW_FALSE; } if (mode == _GLFW_PRESENCE_ONLY) return GLFW_TRUE; for (i = 0; i < js->objectCount; i++) { const void* data = (char*) &state + js->objects[i].offset; switch (js->objects[i].type) { case _GLFW_TYPE_AXIS: case _GLFW_TYPE_SLIDER: { js->axes[ai++] = (*((LONG*) data) + 0.5f) / 32767.5f; break; } case _GLFW_TYPE_BUTTON: { if (*((BYTE*) data) & 0x80) js->buttons[bi++] = GLFW_PRESS; else js->buttons[bi++] = GLFW_RELEASE; break; } case _GLFW_TYPE_POV: { const int directions[9] = { 1, 3, 2, 6, 4, 12, 8, 9, 0 }; // Screams of horror are appropriate at this point int value = LOWORD(*(DWORD*) data) / (45 * DI_DEGREES); if (value < 0 || value > 8) value = 8; for (j = 0; j < 4; j++) { if (directions[value] & (1 << j)) js->buttons[bi++] = GLFW_PRESS; else js->buttons[bi++] = GLFW_RELEASE; } break; } } } return GLFW_TRUE; } else { int i; DWORD result; XINPUT_STATE xis; const WORD buttons[14] = { 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, XINPUT_GAMEPAD_DPAD_UP, XINPUT_GAMEPAD_DPAD_RIGHT, XINPUT_GAMEPAD_DPAD_DOWN, XINPUT_GAMEPAD_DPAD_LEFT }; result = _glfw_XInputGetState(js->index, &xis); if (result != ERROR_SUCCESS) { if (result == ERROR_DEVICE_NOT_CONNECTED) closeJoystick(js); return GLFW_FALSE; } if (mode == _GLFW_PRESENCE_ONLY) return GLFW_TRUE; if (sqrtf((float) (xis.Gamepad.sThumbLX * xis.Gamepad.sThumbLX + xis.Gamepad.sThumbLY * xis.Gamepad.sThumbLY)) > (float) XINPUT_GAMEPAD_LEFT_THUMB_DEADZONE) { js->axes[0] = (xis.Gamepad.sThumbLX + 0.5f) / 32767.f; js->axes[1] = (xis.Gamepad.sThumbLY + 0.5f) / 32767.f; } else { js->axes[0] = 0.f; js->axes[1] = 0.f; } if (sqrtf((float) (xis.Gamepad.sThumbRX * xis.Gamepad.sThumbRX + xis.Gamepad.sThumbRY * xis.Gamepad.sThumbRY)) > (float) XINPUT_GAMEPAD_RIGHT_THUMB_DEADZONE) { js->axes[2] = (xis.Gamepad.sThumbRX + 0.5f) / 32767.f; js->axes[3] = (xis.Gamepad.sThumbRY + 0.5f) / 32767.f; } else { js->axes[2] = 0.f; js->axes[3] = 0.f; } if (xis.Gamepad.bLeftTrigger > XINPUT_GAMEPAD_TRIGGER_THRESHOLD) js->axes[4] = xis.Gamepad.bLeftTrigger / 127.5f - 1.f; else js->axes[4] = -1.f; if (xis.Gamepad.bRightTrigger > XINPUT_GAMEPAD_TRIGGER_THRESHOLD) js->axes[5] = xis.Gamepad.bRightTrigger / 127.5f - 1.f; else js->axes[5] = -1.f; for (i = 0; i < 14; i++) js->buttons[i] = (xis.Gamepad.wButtons & buttons[i]) ? 1 : 0; return GLFW_TRUE; } } ////////////////////////////////////////////////////////////////////////// ////// GLFW internal API ////// ////////////////////////////////////////////////////////////////////////// // Initialize joystick interface // void _glfwInitJoysticksWin32(void) { if (_glfw.win32.dinput8.instance) { if (FAILED(_glfw_DirectInput8Create(GetModuleHandle(NULL), DIRECTINPUT_VERSION, &IID_IDirectInput8W, (void**) &_glfw.win32.dinput8.api, NULL))) { _glfwInputError(GLFW_PLATFORM_ERROR, "DI: Failed to create interface"); } } _glfwDetectJoystickConnectionWin32(); } // Close all opened joystick handles // void _glfwTerminateJoysticksWin32(void) { int joy; for (joy = GLFW_JOYSTICK_1; joy <= GLFW_JOYSTICK_LAST; joy++) closeJoystick(_glfw.win32_js + joy); 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 i; for (i = 0; i < XUSER_MAX_COUNT; i++) openXinputDevice(i); } 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 joy; for (joy = GLFW_JOYSTICK_1; joy <= GLFW_JOYSTICK_LAST; joy++) pollJoystickState(_glfw.win32_js + joy, _GLFW_PRESENCE_ONLY); } ////////////////////////////////////////////////////////////////////////// ////// GLFW platform API ////// ////////////////////////////////////////////////////////////////////////// int _glfwPlatformJoystickPresent(int joy) { _GLFWjoystickWin32* js = _glfw.win32_js + joy; return pollJoystickState(js, _GLFW_PRESENCE_ONLY); } const float* _glfwPlatformGetJoystickAxes(int joy, int* count) { _GLFWjoystickWin32* js = _glfw.win32_js + joy; if (!pollJoystickState(js, _GLFW_UPDATE_STATE)) return NULL; *count = js->axisCount; return js->axes; } const unsigned char* _glfwPlatformGetJoystickButtons(int joy, int* count) { _GLFWjoystickWin32* js = _glfw.win32_js + joy; if (!pollJoystickState(js, _GLFW_UPDATE_STATE)) return NULL; *count = js->buttonCount; return js->buttons; } const char* _glfwPlatformGetJoystickName(int joy) { _GLFWjoystickWin32* js = _glfw.win32_js + joy; if (!pollJoystickState(js, _GLFW_PRESENCE_ONLY)) return NULL; return js->name; }