536 lines
15 KiB
C++
536 lines
15 KiB
C++
/*************************************************************************/
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/* joystick.cpp */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* http://www.godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2016 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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//author: Andreas Haas <hondres, liugam3@gmail.com>
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#include "joystick.h"
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#include <iostream>
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#include <wbemidl.h>
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#include <oleauto.h>
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#ifndef __GNUC__
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#define __builtin_bswap32 _byteswap_ulong
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#endif
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DWORD WINAPI _xinput_get_state(DWORD dwUserIndex, XINPUT_STATE* pState) { return ERROR_DEVICE_NOT_CONNECTED; }
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joystick_windows::joystick_windows() {
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}
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joystick_windows::joystick_windows(InputDefault* _input, HWND* hwnd) {
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input = _input;
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hWnd = hwnd;
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joystick_count = 0;
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dinput = NULL;
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xinput_dll = NULL;
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xinput_get_state = NULL;
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load_xinput();
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for (int i = 0; i < JOYSTICKS_MAX; i++)
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attached_joysticks[i] = false;
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HRESULT result;
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result = DirectInput8Create(GetModuleHandle(NULL), DIRECTINPUT_VERSION, IID_IDirectInput8, (void**)&dinput, NULL);
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if (FAILED(result)) {
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printf("failed init DINPUT: %ld\n", result);
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}
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probe_joysticks();
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}
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joystick_windows::~joystick_windows() {
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close_joystick();
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dinput->Release();
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unload_xinput();
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}
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bool joystick_windows::have_device(const GUID &p_guid) {
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for (int i = 0; i < JOYSTICKS_MAX; i++) {
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if (d_joysticks[i].guid == p_guid) {
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d_joysticks[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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int joystick_windows::check_free_joy_slot() const {
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for (int i = 0; i < JOYSTICKS_MAX; i++) {
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if (!attached_joysticks[i])
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return i;
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}
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return -1;
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}
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// adapted from SDL2, works a lot better than the MSDN version
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bool joystick_windows::is_xinput_device(const GUID *p_guid) {
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static GUID IID_ValveStreamingGamepad = { MAKELONG(0x28DE, 0x11FF), 0x0000, 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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if (p_guid == &IID_ValveStreamingGamepad || p_guid == &IID_X360WiredGamepad || p_guid == &IID_X360WirelessGamepad)
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return true;
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PRAWINPUTDEVICELIST dev_list = NULL;
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unsigned int dev_list_count = 0;
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if (GetRawInputDeviceList(NULL, &dev_list_count, sizeof(RAWINPUTDEVICELIST)) == -1) {
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return false;
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}
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dev_list = (PRAWINPUTDEVICELIST) malloc(sizeof(RAWINPUTDEVICELIST) * dev_list_count);
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if (!dev_list) return false;
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if (GetRawInputDeviceList(dev_list, &dev_list_count, sizeof(RAWINPUTDEVICELIST)) == -1) {
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free(dev_list);
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return false;
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}
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for (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_") != NULL)) {
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free(dev_list);
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return true;
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}
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}
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free(dev_list);
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return false;
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}
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bool joystick_windows::setup_dinput_joystick(const DIDEVICEINSTANCE* instance) {
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HRESULT hr;
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int num = check_free_joy_slot();
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if (have_device(instance->guidInstance) || num == -1)
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return false;
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d_joysticks[joystick_count] = dinput_gamepad();
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dinput_gamepad* joy = &d_joysticks[joystick_count];
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const DWORD devtype = (instance->dwDevType & 0xFF);
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if ((devtype != DI8DEVTYPE_JOYSTICK) && (devtype != DI8DEVTYPE_GAMEPAD) && (devtype != DI8DEVTYPE_1STPERSON)) {
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//printf("ignore device %s, type %x\n", instance->tszProductName, devtype);
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return false;
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}
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hr = dinput->CreateDevice(instance->guidInstance, &joy->di_joy, NULL);
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if (FAILED(hr)) {
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//std::wcout << "failed to create device: " << instance->tszProductName << std::endl;
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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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sprintf(uid, "%08lx%04hx%04hx%02hhx%02hhx%02hhx%02hhx%02hhx%02hhx%02hhx%02hhx",
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__builtin_bswap32(guid.Data1), guid.Data2, guid.Data3,
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guid.Data4[0], guid.Data4[1], guid.Data4[2], guid.Data4[3],
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guid.Data4[4], guid.Data4[5], guid.Data4[6], guid.Data4[7]);
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id_to_change = joystick_count;
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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, NULL);
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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_joysticks[num] = true;
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joy->confirmed = true;
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joystick_count++;
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return true;
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}
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void joystick_windows::setup_joystick_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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DWORD 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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ofs = DIJOFS_SLIDER(0);
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else
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return;
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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_joysticks[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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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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joy.joy_axis.push_back(ofs);
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}
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}
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BOOL CALLBACK joystick_windows::enumCallback(const DIDEVICEINSTANCE* instance, void* pContext) {
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joystick_windows* self = (joystick_windows*)pContext;
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if (self->is_xinput_device(&instance->guidProduct)) {;
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return DIENUM_CONTINUE;
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}
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self->setup_dinput_joystick(instance);
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return DIENUM_CONTINUE;
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}
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BOOL CALLBACK joystick_windows::objectsCallback(const DIDEVICEOBJECTINSTANCE *instance, void *context) {
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joystick_windows* self = (joystick_windows*)context;
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self->setup_joystick_object(instance, self->id_to_change);
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return DIENUM_CONTINUE;
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}
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void joystick_windows::close_joystick(int id) {
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if (id == -1) {
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for (int i = 0; i < JOYSTICKS_MAX; i++) {
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close_joystick(i);
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}
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return;
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}
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if (!d_joysticks[id].attached) return;
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d_joysticks[id].di_joy->Unacquire();
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d_joysticks[id].di_joy->Release();
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d_joysticks[id].attached = false;
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attached_joysticks[d_joysticks[id].id] = false;
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d_joysticks[id].guid.Data1 = d_joysticks[id].guid.Data2 = d_joysticks[id].guid.Data3 = 0;
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input->joy_connection_changed(id, false, "");
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joystick_count--;
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}
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void joystick_windows::probe_joysticks() {
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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_joysticks[i].state, sizeof(XINPUT_STATE));
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dwResult = xinput_get_state(i, &x_joysticks[i].state);
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if ( dwResult == ERROR_SUCCESS) {
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int id = check_free_joy_slot();
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if (id != -1 && !x_joysticks[i].attached) {
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x_joysticks[i].attached = true;
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x_joysticks[i].id = id;
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attached_joysticks[id] = true;
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input->joy_connection_changed(id, true, "XInput Gamepad","__XINPUT_DEVICE__");
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}
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}
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else if (x_joysticks[i].attached) {
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x_joysticks[i].attached = false;
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attached_joysticks[x_joysticks[i].id] = false;
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input->joy_connection_changed(x_joysticks[i].id, false, "");
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}
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}
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for (int i = 0; i < joystick_count; i++) {
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d_joysticks[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 < joystick_count; i++) {
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if (!d_joysticks[i].confirmed) {
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close_joystick(i);
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}
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}
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}
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unsigned int joystick_windows::process_joysticks(unsigned int p_last_id) {
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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_joysticks[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 i = 0; i <= 16; i++) {
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p_last_id = input->joy_button(p_last_id, joy.id, i, joy.state.Gamepad.wButtons & button_mask);
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button_mask = button_mask * 2;
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}
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p_last_id = input->joy_axis(p_last_id, joy.id, JOY_AXIS_0, axis_correct(joy.state.Gamepad.sThumbLX, true));
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p_last_id = input->joy_axis(p_last_id, joy.id, JOY_AXIS_1, axis_correct(joy.state.Gamepad.sThumbLY, true, false, true));
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p_last_id = input->joy_axis(p_last_id, joy.id, JOY_AXIS_2, axis_correct(joy.state.Gamepad.sThumbRX, true));
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p_last_id = input->joy_axis(p_last_id, joy.id, JOY_AXIS_3, axis_correct(joy.state.Gamepad.sThumbRY, true, false, true));
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p_last_id = input->joy_axis(p_last_id, joy.id, JOY_AXIS_4, axis_correct(joy.state.Gamepad.bLeftTrigger, true, true));
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p_last_id = input->joy_axis(p_last_id, joy.id, JOY_AXIS_5, 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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}
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for (int i = 0; i < JOYSTICKS_MAX; i++) {
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dinput_gamepad* joy = &d_joysticks[i];
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if (!joy->attached)
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continue;
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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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if (FAILED(hr = joy->di_joy->GetDeviceState(sizeof(DIJOYSTATE2), &js))) {
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//printf("failed to read joy #%d\n", i);
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continue;
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}
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p_last_id = post_hat(p_last_id, 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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p_last_id = input->joy_button(p_last_id, joy->id, j, true);
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joy->last_buttons[j] = true;
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}
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}
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else {
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if (joy->last_buttons[j]) {
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p_last_id = input->joy_button(p_last_id, joy->id, 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 = 6;
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int axes[] = { DIJOFS_X, DIJOFS_Y, DIJOFS_Z, DIJOFS_RX, DIJOFS_RY, DIJOFS_RZ };
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int values[] = { js.lX, js.lY, js.lZ, js.lRx, js.lRy, js.lRz };
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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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p_last_id = input->joy_axis(p_last_id, joy->id, 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 p_last_id;
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}
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unsigned int joystick_windows::post_hat(unsigned int p_last_id, int p_device, DWORD p_dpad) {
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int dpad_val = 0;
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if (p_dpad == -1) {
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dpad_val = InputDefault::HAT_MASK_CENTER;
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}
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if (p_dpad == 0) {
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dpad_val = InputDefault::HAT_MASK_UP;
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}
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else if (p_dpad == 4500) {
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dpad_val = (InputDefault::HAT_MASK_UP | InputDefault::HAT_MASK_RIGHT);
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}
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else if (p_dpad == 9000) {
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dpad_val = InputDefault::HAT_MASK_RIGHT;
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}
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else if (p_dpad == 13500) {
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dpad_val = (InputDefault::HAT_MASK_RIGHT | InputDefault::HAT_MASK_DOWN);
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}
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else if (p_dpad == 18000) {
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dpad_val = InputDefault::HAT_MASK_DOWN;
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}
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else if (p_dpad == 22500) {
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dpad_val = (InputDefault::HAT_MASK_DOWN | InputDefault::HAT_MASK_LEFT);
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}
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else if (p_dpad == 27000) {
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dpad_val = InputDefault::HAT_MASK_LEFT;
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}
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else if (p_dpad == 31500) {
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dpad_val = (InputDefault::HAT_MASK_LEFT | InputDefault::HAT_MASK_UP);
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}
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return input->joy_hat(p_last_id, p_device, dpad_val);
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};
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InputDefault::JoyAxis joystick_windows::axis_correct(int p_val, bool p_xinput, bool p_trigger, bool p_negate) const {
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InputDefault::JoyAxis jx;
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if (Math::abs(p_val) < MIN_JOY_AXIS) {
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jx.min = p_trigger ? 0 : -1;
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jx.value = 0.0f;
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return jx;
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}
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if (p_xinput) {
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if (p_trigger) {
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jx.min = 0;
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jx.value = (float)p_val / MAX_TRIGGER;
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return jx;
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}
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jx.min = -1;
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if (p_val < 0) {
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jx.value = (float)p_val / MAX_JOY_AXIS;
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}
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else {
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jx.value = (float)p_val / (MAX_JOY_AXIS - 1);
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}
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if (p_negate) {
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jx.value = -jx.value;
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}
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return jx;
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}
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jx.min = -1;
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jx.value = (float)p_val / MAX_JOY_AXIS;
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return jx;
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}
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void joystick_windows::load_xinput() {
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xinput_get_state = &_xinput_get_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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if (OS::get_singleton()->is_stdout_verbose()) {
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print_line("Could not find XInput, using DirectInput only");
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}
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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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if (!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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return;
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}
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void joystick_windows::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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