547 lines
18 KiB
C++
547 lines
18 KiB
C++
/**************************************************************************/
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/* joypad_windows.cpp */
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/**************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/**************************************************************************/
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/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
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/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/**************************************************************************/
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#include "joypad_windows.h"
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#include <oleauto.h>
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#include <wbemidl.h>
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#if defined(__GNUC__)
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// Workaround GCC warning from -Wcast-function-type.
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#define GetProcAddress (void *)GetProcAddress
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#endif
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DWORD WINAPI _xinput_get_state(DWORD dwUserIndex, XINPUT_STATE *pState) {
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return ERROR_DEVICE_NOT_CONNECTED;
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}
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DWORD WINAPI _xinput_set_state(DWORD dwUserIndex, XINPUT_VIBRATION *pVibration) {
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return ERROR_DEVICE_NOT_CONNECTED;
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}
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JoypadWindows::JoypadWindows() {
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}
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JoypadWindows::JoypadWindows(HWND *hwnd) {
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input = Input::get_singleton();
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hWnd = hwnd;
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joypad_count = 0;
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dinput = nullptr;
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xinput_dll = nullptr;
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xinput_get_state = nullptr;
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xinput_set_state = nullptr;
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load_xinput();
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for (int i = 0; i < JOYPADS_MAX; i++) {
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attached_joypads[i] = false;
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}
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HRESULT result = DirectInput8Create(GetModuleHandle(nullptr), DIRECTINPUT_VERSION, IID_IDirectInput8, (void **)&dinput, nullptr);
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if (result == DI_OK) {
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probe_joypads();
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} else {
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ERR_PRINT("Couldn't initialize DirectInput. Error: " + itos(result));
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if (result == DIERR_OUTOFMEMORY) {
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ERR_PRINT("The Windows DirectInput subsystem could not allocate sufficient memory.");
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ERR_PRINT("Rebooting your PC may solve this issue.");
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}
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// Ensure dinput is still a nullptr.
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dinput = nullptr;
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}
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}
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JoypadWindows::~JoypadWindows() {
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close_joypad();
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if (dinput) {
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dinput->Release();
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}
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unload_xinput();
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}
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bool JoypadWindows::have_device(const GUID &p_guid) {
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for (int i = 0; i < JOYPADS_MAX; i++) {
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if (d_joypads[i].guid == p_guid) {
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d_joypads[i].confirmed = true;
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return true;
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}
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}
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return false;
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}
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// adapted from SDL2, works a lot better than the MSDN version
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bool JoypadWindows::is_xinput_device(const GUID *p_guid) {
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static GUID IID_ValveStreamingGamepad = { MAKELONG(0x28DE, 0x11FF), 0x28DE, 0x0000, { 0x00, 0x00, 0x50, 0x49, 0x44, 0x56, 0x49, 0x44 } };
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static GUID IID_X360WiredGamepad = { MAKELONG(0x045E, 0x02A1), 0x0000, 0x0000, { 0x00, 0x00, 0x50, 0x49, 0x44, 0x56, 0x49, 0x44 } };
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static GUID IID_X360WirelessGamepad = { MAKELONG(0x045E, 0x028E), 0x0000, 0x0000, { 0x00, 0x00, 0x50, 0x49, 0x44, 0x56, 0x49, 0x44 } };
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static GUID IID_XSWirelessGamepad = { MAKELONG(0x045E, 0x0B13), 0x0000, 0x0000, { 0x00, 0x00, 0x50, 0x49, 0x44, 0x56, 0x49, 0x44 } };
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if (memcmp(p_guid, &IID_ValveStreamingGamepad, sizeof(*p_guid)) == 0 ||
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memcmp(p_guid, &IID_X360WiredGamepad, sizeof(*p_guid)) == 0 ||
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memcmp(p_guid, &IID_X360WirelessGamepad, sizeof(*p_guid)) == 0 ||
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memcmp(p_guid, &IID_XSWirelessGamepad, sizeof(*p_guid)) == 0)
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return true;
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PRAWINPUTDEVICELIST dev_list = nullptr;
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unsigned int dev_list_count = 0;
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if (GetRawInputDeviceList(nullptr, &dev_list_count, sizeof(RAWINPUTDEVICELIST)) == (UINT)-1) {
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return false;
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}
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dev_list = (PRAWINPUTDEVICELIST)memalloc(sizeof(RAWINPUTDEVICELIST) * dev_list_count);
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ERR_FAIL_NULL_V_MSG(dev_list, false, "Out of memory.");
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if (GetRawInputDeviceList(dev_list, &dev_list_count, sizeof(RAWINPUTDEVICELIST)) == (UINT)-1) {
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memfree(dev_list);
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return false;
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}
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for (unsigned int i = 0; i < dev_list_count; i++) {
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RID_DEVICE_INFO rdi;
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char dev_name[128];
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UINT rdiSize = sizeof(rdi);
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UINT nameSize = sizeof(dev_name);
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rdi.cbSize = rdiSize;
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if ((dev_list[i].dwType == RIM_TYPEHID) &&
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(GetRawInputDeviceInfoA(dev_list[i].hDevice, RIDI_DEVICEINFO, &rdi, &rdiSize) != (UINT)-1) &&
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(MAKELONG(rdi.hid.dwVendorId, rdi.hid.dwProductId) == (LONG)p_guid->Data1) &&
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(GetRawInputDeviceInfoA(dev_list[i].hDevice, RIDI_DEVICENAME, &dev_name, &nameSize) != (UINT)-1) &&
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(strstr(dev_name, "IG_") != nullptr)) {
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memfree(dev_list);
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return true;
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}
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}
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memfree(dev_list);
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return false;
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}
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bool JoypadWindows::setup_dinput_joypad(const DIDEVICEINSTANCE *instance) {
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ERR_FAIL_NULL_V_MSG(dinput, false, "DirectInput not initialized. Rebooting your PC may solve this issue.");
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HRESULT hr;
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int num = input->get_unused_joy_id();
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if (have_device(instance->guidInstance) || num == -1) {
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return false;
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}
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d_joypads[num] = dinput_gamepad();
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dinput_gamepad *joy = &d_joypads[num];
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const DWORD devtype = (instance->dwDevType & 0xFF);
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if ((devtype != DI8DEVTYPE_JOYSTICK) && (devtype != DI8DEVTYPE_GAMEPAD) && (devtype != DI8DEVTYPE_1STPERSON) && (devtype != DI8DEVTYPE_DRIVING)) {
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return false;
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}
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hr = dinput->CreateDevice(instance->guidInstance, &joy->di_joy, nullptr);
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if (FAILED(hr)) {
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return false;
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}
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const GUID &guid = instance->guidProduct;
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char uid[128];
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ERR_FAIL_COND_V_MSG(memcmp(&guid.Data4[2], "PIDVID", 6), false, "DirectInput device not recognized.");
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WORD type = BSWAP16(0x03);
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WORD vendor = BSWAP16(LOWORD(guid.Data1));
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WORD product = BSWAP16(HIWORD(guid.Data1));
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WORD version = 0;
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sprintf_s(uid, "%04x%04x%04x%04x%04x%04x%04x%04x", type, 0, vendor, 0, product, 0, version, 0);
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id_to_change = num;
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slider_count = 0;
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joy->di_joy->SetDataFormat(&c_dfDIJoystick2);
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joy->di_joy->SetCooperativeLevel(*hWnd, DISCL_FOREGROUND);
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joy->di_joy->EnumObjects(objectsCallback, this, 0);
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joy->joy_axis.sort();
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joy->guid = instance->guidInstance;
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input->joy_connection_changed(num, true, instance->tszProductName, uid);
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joy->attached = true;
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joy->id = num;
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attached_joypads[num] = true;
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joy->confirmed = true;
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joypad_count++;
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return true;
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}
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void JoypadWindows::setup_joypad_object(const DIDEVICEOBJECTINSTANCE *ob, int p_joy_id) {
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if (ob->dwType & DIDFT_AXIS) {
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HRESULT res;
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DIPROPRANGE prop_range;
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DIPROPDWORD dilong;
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LONG ofs;
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if (ob->guidType == GUID_XAxis) {
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ofs = DIJOFS_X;
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} else if (ob->guidType == GUID_YAxis) {
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ofs = DIJOFS_Y;
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} else if (ob->guidType == GUID_ZAxis) {
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ofs = DIJOFS_Z;
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} else if (ob->guidType == GUID_RxAxis) {
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ofs = DIJOFS_RX;
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} else if (ob->guidType == GUID_RyAxis) {
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ofs = DIJOFS_RY;
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} else if (ob->guidType == GUID_RzAxis) {
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ofs = DIJOFS_RZ;
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} else if (ob->guidType == GUID_Slider) {
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if (slider_count < 2) {
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ofs = DIJOFS_SLIDER(slider_count);
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slider_count++;
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} else {
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return;
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}
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} else {
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return;
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}
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prop_range.diph.dwSize = sizeof(DIPROPRANGE);
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prop_range.diph.dwHeaderSize = sizeof(DIPROPHEADER);
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prop_range.diph.dwObj = ob->dwType;
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prop_range.diph.dwHow = DIPH_BYID;
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prop_range.lMin = -MAX_JOY_AXIS;
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prop_range.lMax = +MAX_JOY_AXIS;
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dinput_gamepad &joy = d_joypads[p_joy_id];
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res = IDirectInputDevice8_SetProperty(joy.di_joy, DIPROP_RANGE, &prop_range.diph);
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if (FAILED(res)) {
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return;
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}
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dilong.diph.dwSize = sizeof(dilong);
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dilong.diph.dwHeaderSize = sizeof(dilong.diph);
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dilong.diph.dwObj = ob->dwType;
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dilong.diph.dwHow = DIPH_BYID;
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dilong.dwData = 0;
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res = IDirectInputDevice8_SetProperty(joy.di_joy, DIPROP_DEADZONE, &dilong.diph);
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if (FAILED(res)) {
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return;
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}
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joy.joy_axis.push_back(ofs);
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}
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}
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BOOL CALLBACK JoypadWindows::enumCallback(const DIDEVICEINSTANCE *p_instance, void *p_context) {
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JoypadWindows *self = static_cast<JoypadWindows *>(p_context);
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if (self->is_xinput_device(&p_instance->guidProduct)) {
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return DIENUM_CONTINUE;
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}
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self->setup_dinput_joypad(p_instance);
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return DIENUM_CONTINUE;
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}
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BOOL CALLBACK JoypadWindows::objectsCallback(const DIDEVICEOBJECTINSTANCE *p_instance, void *p_context) {
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JoypadWindows *self = static_cast<JoypadWindows *>(p_context);
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self->setup_joypad_object(p_instance, self->id_to_change);
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return DIENUM_CONTINUE;
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}
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void JoypadWindows::close_joypad(int id) {
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if (id == -1) {
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for (int i = 0; i < JOYPADS_MAX; i++) {
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close_joypad(i);
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}
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return;
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}
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if (!d_joypads[id].attached) {
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return;
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}
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d_joypads[id].di_joy->Unacquire();
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d_joypads[id].di_joy->Release();
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d_joypads[id].attached = false;
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attached_joypads[d_joypads[id].id] = false;
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d_joypads[id].guid.Data1 = d_joypads[id].guid.Data2 = d_joypads[id].guid.Data3 = 0;
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input->joy_connection_changed(d_joypads[id].id, false, "");
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joypad_count--;
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}
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void JoypadWindows::probe_joypads() {
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ERR_FAIL_NULL_MSG(dinput, "DirectInput not initialized. Rebooting your PC may solve this issue.");
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DWORD dwResult;
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for (DWORD i = 0; i < XUSER_MAX_COUNT; i++) {
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ZeroMemory(&x_joypads[i].state, sizeof(XINPUT_STATE));
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dwResult = xinput_get_state(i, &x_joypads[i].state);
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if (dwResult == ERROR_SUCCESS) {
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int id = input->get_unused_joy_id();
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if (id != -1 && !x_joypads[i].attached) {
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x_joypads[i].attached = true;
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x_joypads[i].id = id;
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x_joypads[i].ff_timestamp = 0;
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x_joypads[i].ff_end_timestamp = 0;
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x_joypads[i].vibrating = false;
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attached_joypads[id] = true;
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input->joy_connection_changed(id, true, "XInput Gamepad", "__XINPUT_DEVICE__");
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}
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} else if (x_joypads[i].attached) {
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x_joypads[i].attached = false;
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attached_joypads[x_joypads[i].id] = false;
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input->joy_connection_changed(x_joypads[i].id, false, "");
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}
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}
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for (int i = 0; i < joypad_count; i++) {
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d_joypads[i].confirmed = false;
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}
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dinput->EnumDevices(DI8DEVCLASS_GAMECTRL, enumCallback, this, DIEDFL_ATTACHEDONLY);
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for (int i = 0; i < joypad_count; i++) {
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if (!d_joypads[i].confirmed) {
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close_joypad(i);
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}
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}
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}
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void JoypadWindows::process_joypads() {
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HRESULT hr;
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for (int i = 0; i < XUSER_MAX_COUNT; i++) {
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xinput_gamepad &joy = x_joypads[i];
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if (!joy.attached) {
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continue;
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}
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ZeroMemory(&joy.state, sizeof(XINPUT_STATE));
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xinput_get_state(i, &joy.state);
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if (joy.state.dwPacketNumber != joy.last_packet) {
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int button_mask = XINPUT_GAMEPAD_DPAD_UP;
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for (int j = 0; j <= 16; j++) {
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input->joy_button(joy.id, (JoyButton)j, joy.state.Gamepad.wButtons & button_mask);
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button_mask = button_mask * 2;
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}
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input->joy_axis(joy.id, JoyAxis::LEFT_X, axis_correct(joy.state.Gamepad.sThumbLX, true));
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input->joy_axis(joy.id, JoyAxis::LEFT_Y, axis_correct(joy.state.Gamepad.sThumbLY, true, false, true));
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input->joy_axis(joy.id, JoyAxis::RIGHT_X, axis_correct(joy.state.Gamepad.sThumbRX, true));
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input->joy_axis(joy.id, JoyAxis::RIGHT_Y, axis_correct(joy.state.Gamepad.sThumbRY, true, false, true));
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input->joy_axis(joy.id, JoyAxis::TRIGGER_LEFT, axis_correct(joy.state.Gamepad.bLeftTrigger, true, true));
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input->joy_axis(joy.id, JoyAxis::TRIGGER_RIGHT, axis_correct(joy.state.Gamepad.bRightTrigger, true, true));
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joy.last_packet = joy.state.dwPacketNumber;
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}
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uint64_t timestamp = input->get_joy_vibration_timestamp(joy.id);
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if (timestamp > joy.ff_timestamp) {
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Vector2 strength = input->get_joy_vibration_strength(joy.id);
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float duration = input->get_joy_vibration_duration(joy.id);
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if (strength.x == 0 && strength.y == 0) {
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joypad_vibration_stop_xinput(i, timestamp);
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} else {
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joypad_vibration_start_xinput(i, strength.x, strength.y, duration, timestamp);
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}
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} else if (joy.vibrating && joy.ff_end_timestamp != 0) {
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uint64_t current_time = OS::get_singleton()->get_ticks_usec();
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if (current_time >= joy.ff_end_timestamp) {
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joypad_vibration_stop_xinput(i, current_time);
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}
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}
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}
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for (int i = 0; i < JOYPADS_MAX; i++) {
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dinput_gamepad *joy = &d_joypads[i];
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if (!joy->attached) {
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continue;
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}
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DIJOYSTATE2 js;
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hr = joy->di_joy->Poll();
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if (hr == DIERR_INPUTLOST || hr == DIERR_NOTACQUIRED) {
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IDirectInputDevice8_Acquire(joy->di_joy);
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joy->di_joy->Poll();
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}
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hr = joy->di_joy->GetDeviceState(sizeof(DIJOYSTATE2), &js);
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if (FAILED(hr)) {
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continue;
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}
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post_hat(joy->id, js.rgdwPOV[0]);
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for (int j = 0; j < 128; j++) {
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if (js.rgbButtons[j] & 0x80) {
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if (!joy->last_buttons[j]) {
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input->joy_button(joy->id, (JoyButton)j, true);
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joy->last_buttons[j] = true;
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}
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} else {
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if (joy->last_buttons[j]) {
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input->joy_button(joy->id, (JoyButton)j, false);
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joy->last_buttons[j] = false;
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}
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}
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}
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// on mingw, these constants are not constants
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int count = 8;
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const LONG axes[] = { DIJOFS_X, DIJOFS_Y, DIJOFS_Z, DIJOFS_RX, DIJOFS_RY, DIJOFS_RZ, (LONG)DIJOFS_SLIDER(0), (LONG)DIJOFS_SLIDER(1) };
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int values[] = { js.lX, js.lY, js.lZ, js.lRx, js.lRy, js.lRz, js.rglSlider[0], js.rglSlider[1] };
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for (int j = 0; j < joy->joy_axis.size(); j++) {
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for (int k = 0; k < count; k++) {
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if (joy->joy_axis[j] == axes[k]) {
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input->joy_axis(joy->id, (JoyAxis)j, axis_correct(values[k]));
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break;
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}
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}
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}
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}
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return;
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}
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void JoypadWindows::post_hat(int p_device, DWORD p_dpad) {
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BitField<HatMask> dpad_val;
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// Should be -1 when centered, but according to docs:
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// "Some drivers report the centered position of the POV indicator as 65,535. Determine whether the indicator is centered as follows:
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// BOOL POVCentered = (LOWORD(dwPOV) == 0xFFFF);"
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// https://docs.microsoft.com/en-us/previous-versions/windows/desktop/ee416628(v%3Dvs.85)#remarks
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if (LOWORD(p_dpad) == 0xFFFF) {
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// Do nothing.
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// dpad_val.set_flag(HatMask::CENTER);
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}
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if (p_dpad == 0) {
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dpad_val.set_flag(HatMask::UP);
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} else if (p_dpad == 4500) {
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dpad_val.set_flag(HatMask::UP);
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dpad_val.set_flag(HatMask::RIGHT);
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} else if (p_dpad == 9000) {
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dpad_val.set_flag(HatMask::RIGHT);
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} else if (p_dpad == 13500) {
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dpad_val.set_flag(HatMask::RIGHT);
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dpad_val.set_flag(HatMask::DOWN);
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} else if (p_dpad == 18000) {
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dpad_val.set_flag(HatMask::DOWN);
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} else if (p_dpad == 22500) {
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dpad_val.set_flag(HatMask::DOWN);
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dpad_val.set_flag(HatMask::LEFT);
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} else if (p_dpad == 27000) {
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dpad_val.set_flag(HatMask::LEFT);
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} else if (p_dpad == 31500) {
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dpad_val.set_flag(HatMask::LEFT);
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dpad_val.set_flag(HatMask::UP);
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}
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input->joy_hat(p_device, dpad_val);
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}
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float JoypadWindows::axis_correct(int p_val, bool p_xinput, bool p_trigger, bool p_negate) const {
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if (Math::abs(p_val) < MIN_JOY_AXIS) {
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return p_trigger ? -1.0f : 0.0f;
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}
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if (!p_xinput) {
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return (float)p_val / MAX_JOY_AXIS;
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}
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if (p_trigger) {
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// Convert to a value between -1.0f and 1.0f.
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return 2.0f * p_val / MAX_TRIGGER - 1.0f;
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}
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float value;
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if (p_val < 0) {
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value = (float)p_val / MAX_JOY_AXIS;
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} else {
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value = (float)p_val / (MAX_JOY_AXIS - 1);
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}
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if (p_negate) {
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value = -value;
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}
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return value;
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}
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void JoypadWindows::joypad_vibration_start_xinput(int p_device, float p_weak_magnitude, float p_strong_magnitude, float p_duration, uint64_t p_timestamp) {
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xinput_gamepad &joy = x_joypads[p_device];
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if (joy.attached) {
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XINPUT_VIBRATION effect;
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effect.wLeftMotorSpeed = (65535 * p_strong_magnitude);
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effect.wRightMotorSpeed = (65535 * p_weak_magnitude);
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if (xinput_set_state(p_device, &effect) == ERROR_SUCCESS) {
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joy.ff_timestamp = p_timestamp;
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joy.ff_end_timestamp = p_duration == 0 ? 0 : p_timestamp + (uint64_t)(p_duration * 1000000.0);
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joy.vibrating = true;
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}
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}
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}
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void JoypadWindows::joypad_vibration_stop_xinput(int p_device, uint64_t p_timestamp) {
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xinput_gamepad &joy = x_joypads[p_device];
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if (joy.attached) {
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XINPUT_VIBRATION effect;
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effect.wLeftMotorSpeed = 0;
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effect.wRightMotorSpeed = 0;
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if (xinput_set_state(p_device, &effect) == ERROR_SUCCESS) {
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joy.ff_timestamp = p_timestamp;
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joy.vibrating = false;
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}
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}
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}
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void JoypadWindows::load_xinput() {
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xinput_get_state = &_xinput_get_state;
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xinput_set_state = &_xinput_set_state;
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xinput_dll = LoadLibrary("XInput1_4.dll");
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if (!xinput_dll) {
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xinput_dll = LoadLibrary("XInput1_3.dll");
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if (!xinput_dll) {
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xinput_dll = LoadLibrary("XInput9_1_0.dll");
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}
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}
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if (!xinput_dll) {
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print_verbose("Could not find XInput, using DirectInput only");
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return;
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}
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XInputGetState_t func = (XInputGetState_t)GetProcAddress((HMODULE)xinput_dll, "XInputGetState");
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XInputSetState_t set_func = (XInputSetState_t)GetProcAddress((HMODULE)xinput_dll, "XInputSetState");
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if (!func || !set_func) {
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unload_xinput();
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return;
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}
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xinput_get_state = func;
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xinput_set_state = set_func;
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}
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void JoypadWindows::unload_xinput() {
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if (xinput_dll) {
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FreeLibrary((HMODULE)xinput_dll);
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}
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}
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