| //======================================================================== |
| // GLFW 3.3 Win32 - www.glfw.org |
| //------------------------------------------------------------------------ |
| // Copyright (c) 2002-2006 Marcus Geelnard |
| // Copyright (c) 2006-2016 Camilla Löwy <elmindreda@glfw.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 "internal.h" |
| |
| #include <stdio.h> |
| #include <math.h> |
| |
| #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); |
| } |
| |
| _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 + 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]; |
| strcpy(original, guid); |
| sprintf(guid, "03000000%.4s0000%.4s000000000000", |
| original, original + 4); |
| } |
| } |
| |
