mirror of
https://github.com/glfw/glfw.git
synced 2024-11-22 13:04:35 +00:00
Add initial XInput support
This commit is contained in:
Camilla Berglund
parent
9f1474c1d0
commit
eb3577c1eb
@ -30,6 +30,8 @@
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#include <stdlib.h>
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#include <malloc.h>
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#include <initguid.h>
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DEFINE_GUID(GUID_DEVINTERFACE_HID,0x4d1e55b2,0xf16f,0x11cf,0x88,0xcb,0x00,0x11,0x11,0x00,0x00,0x30);
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#if defined(_GLFW_USE_HYBRID_HPG) || defined(_GLFW_USE_OPTIMUS_HPG)
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@ -69,12 +71,6 @@ static GLFWbool loadLibraries(void)
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return GLFW_FALSE;
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}
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_glfw.win32.winmm.joyGetDevCaps = (JOYGETDEVCAPS_T)
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GetProcAddress(_glfw.win32.winmm.instance, "joyGetDevCapsW");
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_glfw.win32.winmm.joyGetPos = (JOYGETPOS_T)
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GetProcAddress(_glfw.win32.winmm.instance, "joyGetPos");
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_glfw.win32.winmm.joyGetPosEx = (JOYGETPOSEX_T)
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GetProcAddress(_glfw.win32.winmm.instance, "joyGetPosEx");
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_glfw.win32.winmm.timeGetTime = (TIMEGETTIME_T)
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GetProcAddress(_glfw.win32.winmm.instance, "timeGetTime");
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@ -90,6 +86,33 @@ static GLFWbool loadLibraries(void)
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_glfw.win32.user32.ChangeWindowMessageFilterEx = (CHANGEWINDOWMESSAGEFILTEREX_T)
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GetProcAddress(_glfw.win32.user32.instance, "ChangeWindowMessageFilterEx");
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{
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int i;
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const char* names[] =
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{
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"xinput1_4.dll",
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"xinput1_3.dll",
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"xinput9_1_0.dll",
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"xinput1_2.dll",
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"xinput1_1.dll",
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NULL
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};
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for (i = 0; names[i]; i++)
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{
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_glfw.win32.xinput.instance = LoadLibraryA(names[i]);
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if (_glfw.win32.xinput.instance)
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{
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_glfw.win32.xinput.XInputGetCapabilities = (XINPUTGETCAPABILITIES_T)
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GetProcAddress(_glfw.win32.xinput.instance, "XInputGetCapabilities");
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_glfw.win32.xinput.XInputGetState = (XINPUTGETSTATE_T)
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GetProcAddress(_glfw.win32.xinput.instance, "XInputGetState");
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break;
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}
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}
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}
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_glfw.win32.dwmapi.instance = LoadLibraryA("dwmapi.dll");
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if (_glfw.win32.dwmapi.instance)
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{
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@ -113,6 +136,9 @@ static GLFWbool loadLibraries(void)
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//
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static void freeLibraries(void)
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{
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if (_glfw.win32.xinput.instance)
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FreeLibrary(_glfw.win32.xinput.instance);
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if (_glfw.win32.winmm.instance)
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FreeLibrary(_glfw.win32.winmm.instance);
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@ -283,6 +309,19 @@ static HWND createHelperWindow(void)
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return NULL;
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}
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// Register for HID device notifications
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{
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DEV_BROADCAST_DEVICEINTERFACE_W dbi;
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ZeroMemory(&dbi, sizeof(dbi));
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dbi.dbcc_size = sizeof(dbi);
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dbi.dbcc_devicetype = DBT_DEVTYP_DEVICEINTERFACE;
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dbi.dbcc_classguid = GUID_DEVINTERFACE_HID;
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RegisterDeviceNotificationW(window,
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(DEV_BROADCAST_HDR*) &dbi,
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DEVICE_NOTIFY_WINDOW_HANDLE);
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}
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return window;
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}
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@ -1,8 +1,8 @@
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//========================================================================
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// GLFW 3.2 Win32 - www.glfw.org
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// GLFW 3.1 Win32 - www.glfw.org
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//------------------------------------------------------------------------
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// Copyright (c) 2002-2006 Marcus Geelnard
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// Copyright (c) 2006-2010 Camilla Berglund <elmindreda@elmindreda.org>
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// Copyright (c) 2006-2015 Camilla Berglund <elmindreda@elmindreda.org>
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//
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// This software is provided 'as-is', without any express or implied
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// warranty. In no event will the authors be held liable for any damages
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@ -27,22 +27,169 @@
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#include "internal.h"
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#include <stdlib.h>
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#include <math.h>
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#define _GLFW_UPDATE_BUTTONS 1
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#define _GLFW_UPDATE_AXES 2
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//////////////////////////////////////////////////////////////////////////
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////// GLFW internal API //////
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//////////////////////////////////////////////////////////////////////////
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// Convert axis value to the [-1,1] range
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// Returns a description fitting the specified XInput capabilities
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//
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static float normalizeAxis(DWORD pos, DWORD min, DWORD max)
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static const char* getDeviceDescription(const XINPUT_CAPABILITIES* xic)
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{
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float fpos = (float) pos;
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float fmin = (float) min;
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float fmax = (float) max;
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switch (xic->SubType)
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{
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case XINPUT_DEVSUBTYPE_WHEEL:
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return "XInput Wheel";
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case XINPUT_DEVSUBTYPE_ARCADE_STICK:
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return "XInput Arcade Stick";
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case XINPUT_DEVSUBTYPE_FLIGHT_STICK:
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return "XInput Flight Stick";
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case XINPUT_DEVSUBTYPE_DANCE_PAD:
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return "XInput Dance Pad";
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case XINPUT_DEVSUBTYPE_GUITAR:
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return "XInput Guitar";
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case XINPUT_DEVSUBTYPE_DRUM_KIT:
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return "XInput Drum Kit";
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case XINPUT_DEVSUBTYPE_GAMEPAD:
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{
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if (xic->Flags & XINPUT_CAPS_WIRELESS)
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return "Wireless Xbox 360 Controller";
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else
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return "Xbox 360 Controller";
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}
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}
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return (2.f * (fpos - fmin) / (fmax - fmin)) - 1.f;
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return "Unknown XInput Device";
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}
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// Attempt to open the specified joystick device
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// TODO: Pack state arrays for non-gamepad devices
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//
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static GLFWbool openJoystickDevice(DWORD index)
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{
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int joy;
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XINPUT_CAPABILITIES xic;
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_GLFWjoystickWin32* js;
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for (joy = GLFW_JOYSTICK_1; joy <= GLFW_JOYSTICK_LAST; joy++)
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{
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if (_glfw.win32_js[joy].present && _glfw.win32_js[joy].index == index)
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return GLFW_FALSE;
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}
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for (joy = GLFW_JOYSTICK_1; joy <= GLFW_JOYSTICK_LAST; joy++)
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{
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if (!_glfw.win32_js[joy].present)
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break;
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}
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if (joy > GLFW_JOYSTICK_LAST)
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return GLFW_FALSE;
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if (_glfw_XInputGetCapabilities(index, 0, &xic) != ERROR_SUCCESS)
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return GLFW_FALSE;
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js = _glfw.win32_js + joy;
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js->axisCount = 6;
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js->buttonCount = 14;
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js->present = GLFW_TRUE;
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js->name = strdup(getDeviceDescription(&xic));
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js->index = index;
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return GLFW_TRUE;
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}
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// Polls for and processes events the specified joystick
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//
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static GLFWbool pollJoystickEvents(_GLFWjoystickWin32* js, int flags)
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{
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XINPUT_STATE xis;
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DWORD result;
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if (!_glfw.win32.xinput.instance)
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return GLFW_FALSE;
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if (!js->present)
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return GLFW_FALSE;
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result = _glfw_XInputGetState(js->index, &xis);
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if (result != ERROR_SUCCESS)
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{
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if (result == ERROR_DEVICE_NOT_CONNECTED)
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{
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free(js->name);
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memset(js, 0, sizeof(_GLFWjoystickWin32));
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}
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return GLFW_FALSE;
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}
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if (flags & _GLFW_UPDATE_AXES)
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{
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if (sqrtf((float) (xis.Gamepad.sThumbLX * xis.Gamepad.sThumbLX +
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xis.Gamepad.sThumbLY * xis.Gamepad.sThumbLY)) >
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(float) XINPUT_GAMEPAD_LEFT_THUMB_DEADZONE)
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{
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js->axes[0] = (xis.Gamepad.sThumbLX + 0.5f) / 32767.f;
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js->axes[1] = (xis.Gamepad.sThumbLY + 0.5f) / 32767.f;
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}
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else
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{
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js->axes[0] = 0.f;
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js->axes[1] = 0.f;
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}
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if (sqrtf((float) (xis.Gamepad.sThumbRX * xis.Gamepad.sThumbRX +
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xis.Gamepad.sThumbRY * xis.Gamepad.sThumbRY)) >
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(float) XINPUT_GAMEPAD_RIGHT_THUMB_DEADZONE)
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{
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js->axes[2] = (xis.Gamepad.sThumbRX + 0.5f) / 32767.f;
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js->axes[3] = (xis.Gamepad.sThumbRY + 0.5f) / 32767.f;
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}
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else
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{
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js->axes[2] = 0.f;
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js->axes[3] = 0.f;
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}
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if (xis.Gamepad.bLeftTrigger > XINPUT_GAMEPAD_TRIGGER_THRESHOLD)
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js->axes[4] = xis.Gamepad.bLeftTrigger / 127.5f - 1.f;
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else
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js->axes[4] = -1.f;
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if (xis.Gamepad.bRightTrigger > XINPUT_GAMEPAD_TRIGGER_THRESHOLD)
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js->axes[5] = xis.Gamepad.bRightTrigger / 127.5f - 1.f;
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else
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js->axes[5] = -1.f;
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}
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if (flags & _GLFW_UPDATE_BUTTONS)
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{
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int i;
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const WORD buttons[14] =
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{
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XINPUT_GAMEPAD_A,
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XINPUT_GAMEPAD_B,
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XINPUT_GAMEPAD_X,
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XINPUT_GAMEPAD_Y,
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XINPUT_GAMEPAD_LEFT_SHOULDER,
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XINPUT_GAMEPAD_RIGHT_SHOULDER,
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XINPUT_GAMEPAD_BACK,
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XINPUT_GAMEPAD_START,
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XINPUT_GAMEPAD_LEFT_THUMB,
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XINPUT_GAMEPAD_RIGHT_THUMB,
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XINPUT_GAMEPAD_DPAD_UP,
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XINPUT_GAMEPAD_DPAD_RIGHT,
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XINPUT_GAMEPAD_DPAD_DOWN,
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XINPUT_GAMEPAD_DPAD_LEFT
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};
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for (i = 0; i < 14; i++)
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js->buttons[i] = (xis.Gamepad.wButtons & buttons[i]) ? 1 : 0;
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}
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return GLFW_TRUE;
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}
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@ -54,16 +201,43 @@ static float normalizeAxis(DWORD pos, DWORD min, DWORD max)
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//
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void _glfwInitJoysticksWin32(void)
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{
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_glfwDetectJoystickConnectionWin32();
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}
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// Close all opened joystick handles
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//
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void _glfwTerminateJoysticksWin32(void)
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{
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int i;
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int joy;
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for (i = 0; i < GLFW_JOYSTICK_LAST; i++)
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free(_glfw.win32_js[i].name);
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for (joy = GLFW_JOYSTICK_1; joy <= GLFW_JOYSTICK_LAST; joy++)
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free(_glfw.win32_js[joy].name);
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}
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// Looks for new joysticks
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//
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void _glfwDetectJoystickConnectionWin32(void)
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{
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DWORD i;
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if (!_glfw.win32.xinput.instance)
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return;
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for (i = 0; i < XUSER_MAX_COUNT; i++)
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openJoystickDevice(i);
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}
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// Checks if any current joystick has been disconnected
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//
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void _glfwDetectJoystickDisconnectionWin32(void)
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{
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DWORD i;
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if (!_glfw.win32.xinput.instance)
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return;
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for (i = 0; i < XUSER_MAX_COUNT; i++)
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pollJoystickEvents(_glfw.win32_js + i, 0);
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}
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@ -73,105 +247,36 @@ void _glfwTerminateJoysticksWin32(void)
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int _glfwPlatformJoystickPresent(int joy)
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{
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JOYINFO ji;
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if (_glfw_joyGetPos(joy, &ji) != JOYERR_NOERROR)
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return GLFW_FALSE;
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return GLFW_TRUE;
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_GLFWjoystickWin32* js = _glfw.win32_js + joy;
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return pollJoystickEvents(js, 0);
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}
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const float* _glfwPlatformGetJoystickAxes(int joy, int* count)
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{
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JOYCAPS jc;
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JOYINFOEX ji;
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float* axes = _glfw.win32_js[joy].axes;
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if (_glfw_joyGetDevCaps(joy, &jc, sizeof(JOYCAPS)) != JOYERR_NOERROR)
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_GLFWjoystickWin32* js = _glfw.win32_js + joy;
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if (!pollJoystickEvents(js, _GLFW_UPDATE_AXES))
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return NULL;
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ji.dwSize = sizeof(JOYINFOEX);
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ji.dwFlags = JOY_RETURNX | JOY_RETURNY | JOY_RETURNZ |
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JOY_RETURNR | JOY_RETURNU | JOY_RETURNV;
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if (_glfw_joyGetPosEx(joy, &ji) != JOYERR_NOERROR)
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return NULL;
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axes[(*count)++] = normalizeAxis(ji.dwXpos, jc.wXmin, jc.wXmax);
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axes[(*count)++] = normalizeAxis(ji.dwYpos, jc.wYmin, jc.wYmax);
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if (jc.wCaps & JOYCAPS_HASZ)
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axes[(*count)++] = normalizeAxis(ji.dwZpos, jc.wZmin, jc.wZmax);
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if (jc.wCaps & JOYCAPS_HASR)
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axes[(*count)++] = normalizeAxis(ji.dwRpos, jc.wRmin, jc.wRmax);
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if (jc.wCaps & JOYCAPS_HASU)
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axes[(*count)++] = normalizeAxis(ji.dwUpos, jc.wUmin, jc.wUmax);
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if (jc.wCaps & JOYCAPS_HASV)
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axes[(*count)++] = normalizeAxis(ji.dwVpos, jc.wVmin, jc.wVmax);
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return axes;
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*count = js->axisCount;
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return js->axes;
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}
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const unsigned char* _glfwPlatformGetJoystickButtons(int joy, int* count)
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{
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JOYCAPS jc;
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JOYINFOEX ji;
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unsigned char* buttons = _glfw.win32_js[joy].buttons;
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if (_glfw_joyGetDevCaps(joy, &jc, sizeof(JOYCAPS)) != JOYERR_NOERROR)
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_GLFWjoystickWin32* js = _glfw.win32_js + joy;
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if (!pollJoystickEvents(js, _GLFW_UPDATE_BUTTONS))
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return NULL;
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ji.dwSize = sizeof(JOYINFOEX);
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ji.dwFlags = JOY_RETURNBUTTONS | JOY_RETURNPOV;
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if (_glfw_joyGetPosEx(joy, &ji) != JOYERR_NOERROR)
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return NULL;
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while (*count < (int) jc.wNumButtons)
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{
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buttons[*count] = (unsigned char)
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(ji.dwButtons & (1UL << *count) ? GLFW_PRESS : GLFW_RELEASE);
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(*count)++;
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}
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// Virtual buttons - Inject data from hats
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// Each hat is exposed as 4 buttons which exposes 8 directions with
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// concurrent button presses
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// NOTE: this API exposes only one hat
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if ((jc.wCaps & JOYCAPS_HASPOV) && (jc.wCaps & JOYCAPS_POV4DIR))
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{
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int i, value = ji.dwPOV / 100 / 45;
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// Bit fields of button presses for each direction, including nil
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const int directions[9] = { 1, 3, 2, 6, 4, 12, 8, 9, 0 };
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if (value < 0 || value > 8)
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value = 8;
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for (i = 0; i < 4; i++)
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{
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if (directions[value] & (1 << i))
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buttons[(*count)++] = GLFW_PRESS;
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else
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buttons[(*count)++] = GLFW_RELEASE;
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}
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}
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return buttons;
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*count = js->buttonCount;
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return js->buttons;
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}
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const char* _glfwPlatformGetJoystickName(int joy)
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{
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JOYCAPS jc;
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if (_glfw_joyGetDevCaps(joy, &jc, sizeof(JOYCAPS)) != JOYERR_NOERROR)
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_GLFWjoystickWin32* js = _glfw.win32_js + joy;
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if (!pollJoystickEvents(js, 0))
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return NULL;
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free(_glfw.win32_js[joy].name);
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_glfw.win32_js[joy].name = _glfwCreateUTF8FromWideStringWin32(jc.szPname);
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return _glfw.win32_js[joy].name;
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return js->name;
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}
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@ -30,18 +30,23 @@
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#define _GLFW_PLATFORM_LIBRARY_JOYSTICK_STATE \
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_GLFWjoystickWin32 win32_js[GLFW_JOYSTICK_LAST + 1]
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// Win32-specific per-joystick data
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//
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typedef struct _GLFWjoystickWin32
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{
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GLFWbool present;
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float axes[6];
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unsigned char buttons[36]; // 32 buttons plus one hat
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int axisCount;
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||||
unsigned char buttons[14];
|
||||
int buttonCount;
|
||||
char* name;
|
||||
DWORD index;
|
||||
} _GLFWjoystickWin32;
|
||||
|
||||
|
||||
void _glfwInitJoysticksWin32(void);
|
||||
void _glfwTerminateJoysticksWin32(void);
|
||||
void _glfwDetectJoystickConnectionWin32(void);
|
||||
void _glfwDetectJoystickDisconnectionWin32(void);
|
||||
|
||||
#endif // _glfw3_win32_joystick_h_
|
||||
|
||||
@ -63,6 +63,7 @@
|
||||
|
||||
#include <windows.h>
|
||||
#include <mmsystem.h>
|
||||
#include <xinput.h>
|
||||
#include <dbt.h>
|
||||
|
||||
#if defined(_MSC_VER)
|
||||
@ -120,16 +121,42 @@ typedef enum PROCESS_DPI_AWARENESS
|
||||
} PROCESS_DPI_AWARENESS;
|
||||
#endif /*DPI_ENUMS_DECLARED*/
|
||||
|
||||
// HACK: Define macros that some older xinput.h variants don't
|
||||
#ifndef XINPUT_CAPS_WIRELESS
|
||||
#define XINPUT_CAPS_WIRELESS 0x0002
|
||||
#endif
|
||||
#ifndef XINPUT_DEVSUBTYPE_WHEEL
|
||||
#define XINPUT_DEVSUBTYPE_WHEEL 0x02
|
||||
#endif
|
||||
#ifndef XINPUT_DEVSUBTYPE_ARCADE_STICK
|
||||
#define XINPUT_DEVSUBTYPE_ARCADE_STICK 0x03
|
||||
#endif
|
||||
#ifndef XINPUT_DEVSUBTYPE_FLIGHT_STICK
|
||||
#define XINPUT_DEVSUBTYPE_FLIGHT_STICK 0x04
|
||||
#endif
|
||||
#ifndef XINPUT_DEVSUBTYPE_DANCE_PAD
|
||||
#define XINPUT_DEVSUBTYPE_DANCE_PAD 0x05
|
||||
#endif
|
||||
#ifndef XINPUT_DEVSUBTYPE_GUITAR
|
||||
#define XINPUT_DEVSUBTYPE_GUITAR 0x06
|
||||
#endif
|
||||
#ifndef XINPUT_DEVSUBTYPE_DRUM_KIT
|
||||
#define XINPUT_DEVSUBTYPE_DRUM_KIT 0x08
|
||||
#endif
|
||||
#ifndef XINPUT_DEVSUBTYPE_ARCADE_PAD
|
||||
#define XINPUT_DEVSUBTYPE_ARCADE_PAD 0x13
|
||||
#endif
|
||||
|
||||
// winmm.dll function pointer typedefs
|
||||
typedef MMRESULT (WINAPI * JOYGETDEVCAPS_T)(UINT,LPJOYCAPS,UINT);
|
||||
typedef MMRESULT (WINAPI * JOYGETPOS_T)(UINT,LPJOYINFO);
|
||||
typedef MMRESULT (WINAPI * JOYGETPOSEX_T)(UINT,LPJOYINFOEX);
|
||||
typedef DWORD (WINAPI * TIMEGETTIME_T)(void);
|
||||
#define _glfw_joyGetDevCaps _glfw.win32.winmm.joyGetDevCaps
|
||||
#define _glfw_joyGetPos _glfw.win32.winmm.joyGetPos
|
||||
#define _glfw_joyGetPosEx _glfw.win32.winmm.joyGetPosEx
|
||||
#define _glfw_timeGetTime _glfw.win32.winmm.timeGetTime
|
||||
|
||||
// xinput.dll function pointer typedefs
|
||||
typedef DWORD (WINAPI * XINPUTGETCAPABILITIES_T)(DWORD,DWORD,XINPUT_CAPABILITIES*);
|
||||
typedef DWORD (WINAPI * XINPUTGETSTATE_T)(DWORD,XINPUT_STATE*);
|
||||
#define _glfw_XInputGetCapabilities _glfw.win32.xinput.XInputGetCapabilities
|
||||
#define _glfw_XInputGetState _glfw.win32.xinput.XInputGetState
|
||||
|
||||
// user32.dll function pointer typedefs
|
||||
typedef BOOL (WINAPI * SETPROCESSDPIAWARE_T)(void);
|
||||
typedef BOOL (WINAPI * CHANGEWINDOWMESSAGEFILTEREX_T)(HWND,UINT,DWORD,PCHANGEFILTERSTRUCT);
|
||||
@ -217,13 +244,16 @@ typedef struct _GLFWlibraryWin32
|
||||
// winmm.dll
|
||||
struct {
|
||||
HINSTANCE instance;
|
||||
JOYGETDEVCAPS_T joyGetDevCaps;
|
||||
JOYGETPOS_T joyGetPos;
|
||||
JOYGETPOSEX_T joyGetPosEx;
|
||||
TIMEGETTIME_T timeGetTime;
|
||||
} winmm;
|
||||
|
||||
// user32.dll
|
||||
struct {
|
||||
HINSTANCE instance;
|
||||
XINPUTGETCAPABILITIES_T XInputGetCapabilities;
|
||||
XINPUTGETSTATE_T XInputGetState;
|
||||
} xinput;
|
||||
|
||||
struct {
|
||||
HINSTANCE instance;
|
||||
SETPROCESSDPIAWARE_T SetProcessDPIAware;
|
||||
|
||||
@ -376,10 +376,33 @@ static LRESULT CALLBACK windowProc(HWND hWnd, UINT uMsg,
|
||||
|
||||
switch (uMsg)
|
||||
{
|
||||
case WM_DISPLAYCHANGE:
|
||||
case WM_DEVICECHANGE:
|
||||
{
|
||||
if (wParam == DBT_DEVNODES_CHANGED)
|
||||
{
|
||||
_glfwInputMonitorChange();
|
||||
return 0;
|
||||
return TRUE;
|
||||
}
|
||||
else if (wParam == DBT_DEVICEARRIVAL)
|
||||
{
|
||||
DEV_BROADCAST_HDR* dbh = (DEV_BROADCAST_HDR*) lParam;
|
||||
if (dbh)
|
||||
{
|
||||
if (dbh->dbch_devicetype == DBT_DEVTYP_DEVICEINTERFACE)
|
||||
_glfwDetectJoystickConnectionWin32();
|
||||
}
|
||||
}
|
||||
else if (wParam == DBT_DEVICEREMOVECOMPLETE)
|
||||
{
|
||||
DEV_BROADCAST_HDR* dbh = (DEV_BROADCAST_HDR*) lParam;
|
||||
if (dbh)
|
||||
{
|
||||
if (dbh->dbch_devicetype == DBT_DEVTYP_DEVICEINTERFACE)
|
||||
_glfwDetectJoystickDisconnectionWin32();
|
||||
}
|
||||
}
|
||||
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user