virtualx-engine/platform/windows/os_windows.cpp

/*************************************************************************/
/*  os_windows.cpp                                                       */
/*************************************************************************/
/*                       This file is part of:                           */
/*                           GODOT ENGINE                                */
/*                      https://godotengine.org                          */
/*************************************************************************/
/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur.                 */
/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md).   */
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/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the       */
/* "Software"), to deal in the Software without restriction, including   */
/* without limitation the rights to use, copy, modify, merge, publish,   */
/* distribute, sublicense, and/or sell copies of the Software, and to    */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions:                                             */
/*                                                                       */
/* The above copyright notice and this permission notice shall be        */
/* included in all copies or substantial portions of the Software.       */
/*                                                                       */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
/*************************************************************************/

// Must include Winsock before windows.h (included by os_windows.h)
#include "drivers/unix/net_socket_posix.h"

#include "os_windows.h"

#include "core/debugger/engine_debugger.h"
#include "core/debugger/script_debugger.h"
#include "core/io/marshalls.h"
#include "core/version_generated.gen.h"
#include "drivers/windows/dir_access_windows.h"
#include "drivers/windows/file_access_windows.h"
#include "drivers/windows/rw_lock_windows.h"
#include "drivers/windows/thread_windows.h"
#include "joypad_windows.h"
#include "lang_table.h"
#include "main/main.h"
#include "platform/windows/display_server_windows.h"
#include "servers/audio_server.h"
#include "servers/rendering/rendering_server_raster.h"
#include "servers/rendering/rendering_server_wrap_mt.h"
#include "windows_terminal_logger.h"

#include <avrt.h>
#include <direct.h>
#include <knownfolders.h>
#include <process.h>
#include <regstr.h>
#include <shlobj.h>

static const WORD MAX_CONSOLE_LINES = 1500;

extern "C" {
__declspec(dllexport) DWORD NvOptimusEnablement = 1;
__declspec(dllexport) int AmdPowerXpressRequestHighPerformance = 1;
}

// Workaround mingw-w64 < 4.0 bug
#ifndef WM_TOUCH
#define WM_TOUCH 576
#endif

#ifndef WM_POINTERUPDATE
#define WM_POINTERUPDATE 0x0245
#endif

#if defined(__GNUC__)
// Workaround GCC warning from -Wcast-function-type.
#define GetProcAddress (void *)GetProcAddress
#endif

#ifdef DEBUG_ENABLED
static String format_error_message(DWORD id) {
	LPWSTR messageBuffer = nullptr;
	size_t size = FormatMessageW(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
			nullptr, id, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), (LPWSTR)&messageBuffer, 0, nullptr);

	String msg = "Error " + itos(id) + ": " + String(messageBuffer, size);

	LocalFree(messageBuffer);

	return msg;
}
#endif // DEBUG_ENABLED

void RedirectIOToConsole() {
	int hConHandle;

	intptr_t lStdHandle;

	CONSOLE_SCREEN_BUFFER_INFO coninfo;

	FILE *fp;

	// allocate a console for this app

	AllocConsole();

	// set the screen buffer to be big enough to let us scroll text

	GetConsoleScreenBufferInfo(GetStdHandle(STD_OUTPUT_HANDLE),

			&coninfo);

	coninfo.dwSize.Y = MAX_CONSOLE_LINES;

	SetConsoleScreenBufferSize(GetStdHandle(STD_OUTPUT_HANDLE),

			coninfo.dwSize);

	// redirect unbuffered STDOUT to the console

	lStdHandle = (intptr_t)GetStdHandle(STD_OUTPUT_HANDLE);

	hConHandle = _open_osfhandle(lStdHandle, _O_TEXT);

	fp = _fdopen(hConHandle, "w");

	*stdout = *fp;

	setvbuf(stdout, nullptr, _IONBF, 0);

	// redirect unbuffered STDIN to the console

	lStdHandle = (intptr_t)GetStdHandle(STD_INPUT_HANDLE);

	hConHandle = _open_osfhandle(lStdHandle, _O_TEXT);

	fp = _fdopen(hConHandle, "r");

	*stdin = *fp;

	setvbuf(stdin, nullptr, _IONBF, 0);

	// redirect unbuffered STDERR to the console

	lStdHandle = (intptr_t)GetStdHandle(STD_ERROR_HANDLE);

	hConHandle = _open_osfhandle(lStdHandle, _O_TEXT);

	fp = _fdopen(hConHandle, "w");

	*stderr = *fp;

	setvbuf(stderr, nullptr, _IONBF, 0);

	// make cout, wcout, cin, wcin, wcerr, cerr, wclog and clog

	// point to console as well
}

BOOL WINAPI HandlerRoutine(_In_ DWORD dwCtrlType) {
	if (!EngineDebugger::is_active())
		return FALSE;

	switch (dwCtrlType) {
		case CTRL_C_EVENT:
			EngineDebugger::get_script_debugger()->set_depth(-1);
			EngineDebugger::get_script_debugger()->set_lines_left(1);
			return TRUE;
		default:
			return FALSE;
	}
}

void OS_Windows::initialize_debugging() {
	SetConsoleCtrlHandler(HandlerRoutine, TRUE);
}

void OS_Windows::initialize() {
	crash_handler.initialize();

	//RedirectIOToConsole();

	ThreadWindows::make_default();
	RWLockWindows::make_default();

	FileAccess::make_default<FileAccessWindows>(FileAccess::ACCESS_RESOURCES);
	FileAccess::make_default<FileAccessWindows>(FileAccess::ACCESS_USERDATA);
	FileAccess::make_default<FileAccessWindows>(FileAccess::ACCESS_FILESYSTEM);
	//FileAccessBufferedFA<FileAccessWindows>::make_default();
	DirAccess::make_default<DirAccessWindows>(DirAccess::ACCESS_RESOURCES);
	DirAccess::make_default<DirAccessWindows>(DirAccess::ACCESS_USERDATA);
	DirAccess::make_default<DirAccessWindows>(DirAccess::ACCESS_FILESYSTEM);

	NetSocketPosix::make_default();

	// We need to know how often the clock is updated
	if (!QueryPerformanceFrequency((LARGE_INTEGER *)&ticks_per_second))
		ticks_per_second = 1000;
	// If timeAtGameStart is 0 then we get the time since
	// the start of the computer when we call GetGameTime()
	ticks_start = 0;
	ticks_start = get_ticks_usec();

	// set minimum resolution for periodic timers, otherwise Sleep(n) may wait at least as
	//  long as the windows scheduler resolution (~16-30ms) even for calls like Sleep(1)
	timeBeginPeriod(1);

	process_map = memnew((Map<ProcessID, ProcessInfo>));

	IP_Unix::make_default();
	main_loop = nullptr;
}

void OS_Windows::delete_main_loop() {
	if (main_loop)
		memdelete(main_loop);
	main_loop = nullptr;
}

void OS_Windows::set_main_loop(MainLoop *p_main_loop) {
	main_loop = p_main_loop;
}

void OS_Windows::finalize() {
#ifdef WINMIDI_ENABLED
	driver_midi.close();
#endif

	if (main_loop)
		memdelete(main_loop);

	main_loop = nullptr;
}

void OS_Windows::finalize_core() {
	timeEndPeriod(1);

	memdelete(process_map);
	NetSocketPosix::cleanup();
}

Error OS_Windows::open_dynamic_library(const String p_path, void *&p_library_handle, bool p_also_set_library_path) {
	String path = p_path;

	if (!FileAccess::exists(path)) {
		//this code exists so gdnative can load .dll files from within the executable path
		path = get_executable_path().get_base_dir().plus_file(p_path.get_file());
	}

	typedef DLL_DIRECTORY_COOKIE(WINAPI * PAddDllDirectory)(PCWSTR);
	typedef BOOL(WINAPI * PRemoveDllDirectory)(DLL_DIRECTORY_COOKIE);

	PAddDllDirectory add_dll_directory = (PAddDllDirectory)GetProcAddress(GetModuleHandle("kernel32.dll"), "AddDllDirectory");
	PRemoveDllDirectory remove_dll_directory = (PRemoveDllDirectory)GetProcAddress(GetModuleHandle("kernel32.dll"), "RemoveDllDirectory");

	bool has_dll_directory_api = ((add_dll_directory != nullptr) && (remove_dll_directory != nullptr));
	DLL_DIRECTORY_COOKIE cookie = nullptr;

	if (p_also_set_library_path && has_dll_directory_api) {
		cookie = add_dll_directory(path.get_base_dir().c_str());
	}

	p_library_handle = (void *)LoadLibraryExW(path.c_str(), nullptr, (p_also_set_library_path && has_dll_directory_api) ? LOAD_LIBRARY_SEARCH_DEFAULT_DIRS : 0);
	ERR_FAIL_COND_V_MSG(!p_library_handle, ERR_CANT_OPEN, "Can't open dynamic library: " + p_path + ", error: " + format_error_message(GetLastError()) + ".");

	if (cookie) {
		remove_dll_directory(cookie);
	}

	return OK;
}

Error OS_Windows::close_dynamic_library(void *p_library_handle) {
	if (!FreeLibrary((HMODULE)p_library_handle)) {
		return FAILED;
	}
	return OK;
}

Error OS_Windows::get_dynamic_library_symbol_handle(void *p_library_handle, const String p_name, void *&p_symbol_handle, bool p_optional) {
	p_symbol_handle = (void *)GetProcAddress((HMODULE)p_library_handle, p_name.utf8().get_data());
	if (!p_symbol_handle) {
		if (!p_optional) {
			ERR_FAIL_V_MSG(ERR_CANT_RESOLVE, "Can't resolve symbol " + p_name + ", error: " + String::num(GetLastError()) + ".");
		} else {
			return ERR_CANT_RESOLVE;
		}
	}
	return OK;
}

String OS_Windows::get_name() const {
	return "Windows";
}

OS::Date OS_Windows::get_date(bool utc) const {
	SYSTEMTIME systemtime;
	if (utc)
		GetSystemTime(&systemtime);
	else
		GetLocalTime(&systemtime);

	Date date;
	date.day = systemtime.wDay;
	date.month = Month(systemtime.wMonth);
	date.weekday = Weekday(systemtime.wDayOfWeek);
	date.year = systemtime.wYear;
	date.dst = false;
	return date;
}
OS::Time OS_Windows::get_time(bool utc) const {
	SYSTEMTIME systemtime;
	if (utc)
		GetSystemTime(&systemtime);
	else
		GetLocalTime(&systemtime);

	Time time;
	time.hour = systemtime.wHour;
	time.min = systemtime.wMinute;
	time.sec = systemtime.wSecond;
	return time;
}

OS::TimeZoneInfo OS_Windows::get_time_zone_info() const {
	TIME_ZONE_INFORMATION info;
	bool daylight = false;
	if (GetTimeZoneInformation(&info) == TIME_ZONE_ID_DAYLIGHT)
		daylight = true;

	TimeZoneInfo ret;
	if (daylight) {
		ret.name = info.DaylightName;
	} else {
		ret.name = info.StandardName;
	}

	// Bias value returned by GetTimeZoneInformation is inverted of what we expect
	// For example on GMT-3 GetTimeZoneInformation return a Bias of 180, so invert the value to get -180
	ret.bias = -info.Bias;
	return ret;
}

uint64_t OS_Windows::get_unix_time() const {
	FILETIME ft;
	SYSTEMTIME st;
	GetSystemTime(&st);
	SystemTimeToFileTime(&st, &ft);

	SYSTEMTIME ep;
	ep.wYear = 1970;
	ep.wMonth = 1;
	ep.wDayOfWeek = 4;
	ep.wDay = 1;
	ep.wHour = 0;
	ep.wMinute = 0;
	ep.wSecond = 0;
	ep.wMilliseconds = 0;
	FILETIME fep;
	SystemTimeToFileTime(&ep, &fep);

	// Type punning through unions (rather than pointer cast) as per:
	// https://docs.microsoft.com/en-us/windows/desktop/api/minwinbase/ns-minwinbase-filetime#remarks
	ULARGE_INTEGER ft_punning;
	ft_punning.LowPart = ft.dwLowDateTime;
	ft_punning.HighPart = ft.dwHighDateTime;

	ULARGE_INTEGER fep_punning;
	fep_punning.LowPart = fep.dwLowDateTime;
	fep_punning.HighPart = fep.dwHighDateTime;

	return (ft_punning.QuadPart - fep_punning.QuadPart) / 10000000;
};

uint64_t OS_Windows::get_system_time_secs() const {
	return get_system_time_msecs() / 1000;
}

uint64_t OS_Windows::get_system_time_msecs() const {
	const uint64_t WINDOWS_TICK = 10000;
	const uint64_t MSEC_TO_UNIX_EPOCH = 11644473600000LL;

	SYSTEMTIME st;
	GetSystemTime(&st);
	FILETIME ft;
	SystemTimeToFileTime(&st, &ft);
	uint64_t ret;
	ret = ft.dwHighDateTime;
	ret <<= 32;
	ret |= ft.dwLowDateTime;

	return (uint64_t)(ret / WINDOWS_TICK - MSEC_TO_UNIX_EPOCH);
}

void OS_Windows::delay_usec(uint32_t p_usec) const {
	if (p_usec < 1000)
		Sleep(1);
	else
		Sleep(p_usec / 1000);
}
uint64_t OS_Windows::get_ticks_usec() const {
	uint64_t ticks;
	uint64_t time;
	// This is the number of clock ticks since start
	if (!QueryPerformanceCounter((LARGE_INTEGER *)&ticks))
		ticks = (UINT64)timeGetTime();
	// Divide by frequency to get the time in seconds
	time = ticks * 1000000L / ticks_per_second;
	// Subtract the time at game start to get
	// the time since the game started
	time -= ticks_start;
	return time;
}

Error OS_Windows::execute(const String &p_path, const List<String> &p_arguments, bool p_blocking, ProcessID *r_child_id, String *r_pipe, int *r_exitcode, bool read_stderr, Mutex *p_pipe_mutex) {
	if (p_blocking && r_pipe) {
		String argss;
		argss = "\"\"" + p_path + "\"";

		for (const List<String>::Element *E = p_arguments.front(); E; E = E->next()) {
			argss += " \"" + E->get() + "\"";
		}

		argss += "\"";

		if (read_stderr) {
			argss += " 2>&1"; // Read stderr too
		}

		FILE *f = _wpopen(argss.c_str(), L"r");

		ERR_FAIL_COND_V(!f, ERR_CANT_OPEN);

		char buf[65535];
		while (fgets(buf, 65535, f)) {
			if (p_pipe_mutex) {
				p_pipe_mutex->lock();
			}
			(*r_pipe) += String::utf8(buf);
			if (p_pipe_mutex) {
				p_pipe_mutex->unlock();
			}
		}

		int rv = _pclose(f);
		if (r_exitcode)
			*r_exitcode = rv;

		return OK;
	}

	String cmdline = "\"" + p_path + "\"";
	const List<String>::Element *I = p_arguments.front();
	while (I) {
		cmdline += " \"" + I->get() + "\"";

		I = I->next();
	};

	ProcessInfo pi;
	ZeroMemory(&pi.si, sizeof(pi.si));
	pi.si.cb = sizeof(pi.si);
	ZeroMemory(&pi.pi, sizeof(pi.pi));
	LPSTARTUPINFOW si_w = (LPSTARTUPINFOW)&pi.si;

	Vector<CharType> modstr; //windows wants to change this no idea why
	modstr.resize(cmdline.size());
	for (int i = 0; i < cmdline.size(); i++)
		modstr.write[i] = cmdline[i];
	int ret = CreateProcessW(nullptr, modstr.ptrw(), nullptr, nullptr, 0, NORMAL_PRIORITY_CLASS & CREATE_NO_WINDOW, nullptr, nullptr, si_w, &pi.pi);
	ERR_FAIL_COND_V(ret == 0, ERR_CANT_FORK);

	if (p_blocking) {
		DWORD ret2 = WaitForSingleObject(pi.pi.hProcess, INFINITE);
		if (r_exitcode)
			*r_exitcode = ret2;

		CloseHandle(pi.pi.hProcess);
		CloseHandle(pi.pi.hThread);
	} else {
		ProcessID pid = pi.pi.dwProcessId;
		if (r_child_id) {
			*r_child_id = pid;
		};
		process_map->insert(pid, pi);
	};
	return OK;
};

Error OS_Windows::kill(const ProcessID &p_pid) {
	ERR_FAIL_COND_V(!process_map->has(p_pid), FAILED);

	const PROCESS_INFORMATION pi = (*process_map)[p_pid].pi;
	process_map->erase(p_pid);

	const int ret = TerminateProcess(pi.hProcess, 0);

	CloseHandle(pi.hProcess);
	CloseHandle(pi.hThread);

	return ret != 0 ? OK : FAILED;
};

int OS_Windows::get_process_id() const {
	return _getpid();
}

Error OS_Windows::set_cwd(const String &p_cwd) {
	if (_wchdir(p_cwd.c_str()) != 0)
		return ERR_CANT_OPEN;

	return OK;
}

String OS_Windows::get_executable_path() const {
	wchar_t bufname[4096];
	GetModuleFileNameW(nullptr, bufname, 4096);
	String s = bufname;
	return s;
}

bool OS_Windows::has_environment(const String &p_var) const {
#ifdef MINGW_ENABLED
	return _wgetenv(p_var.c_str()) != nullptr;
#else
	wchar_t *env;
	size_t len;
	_wdupenv_s(&env, &len, p_var.c_str());
	const bool has_env = env != nullptr;
	free(env);
	return has_env;
#endif
};

String OS_Windows::get_environment(const String &p_var) const {
	wchar_t wval[0x7Fff]; // MSDN says 32767 char is the maximum
	int wlen = GetEnvironmentVariableW(p_var.c_str(), wval, 0x7Fff);
	if (wlen > 0) {
		return wval;
	}
	return "";
}

bool OS_Windows::set_environment(const String &p_var, const String &p_value) const {
	return (bool)SetEnvironmentVariableW(p_var.c_str(), p_value.c_str());
}

String OS_Windows::get_stdin_string(bool p_block) {
	if (p_block) {
		char buff[1024];
		return fgets(buff, 1024, stdin);
	};

	return String();
}

Error OS_Windows::shell_open(String p_uri) {
	ShellExecuteW(nullptr, nullptr, p_uri.c_str(), nullptr, nullptr, SW_SHOWNORMAL);
	return OK;
}

String OS_Windows::get_locale() const {
	const _WinLocale *wl = &_win_locales[0];

	LANGID langid = GetUserDefaultUILanguage();
	String neutral;
	int lang = langid & ((1 << 9) - 1);
	int sublang = langid & ~((1 << 9) - 1);

	while (wl->locale) {
		if (wl->main_lang == lang && wl->sublang == SUBLANG_NEUTRAL)
			neutral = wl->locale;

		if (lang == wl->main_lang && sublang == wl->sublang)
			return wl->locale;

		wl++;
	}

	if (neutral != "")
		return neutral;

	return "en";
}

// We need this because GetSystemInfo() is unreliable on WOW64
// see https://msdn.microsoft.com/en-us/library/windows/desktop/ms724381(v=vs.85).aspx
// Taken from MSDN
typedef BOOL(WINAPI *LPFN_ISWOW64PROCESS)(HANDLE, PBOOL);
LPFN_ISWOW64PROCESS fnIsWow64Process;

BOOL is_wow64() {
	BOOL wow64 = FALSE;

	fnIsWow64Process = (LPFN_ISWOW64PROCESS)GetProcAddress(GetModuleHandle(TEXT("kernel32")), "IsWow64Process");

	if (fnIsWow64Process) {
		if (!fnIsWow64Process(GetCurrentProcess(), &wow64)) {
			wow64 = FALSE;
		}
	}

	return wow64;
}

int OS_Windows::get_processor_count() const {
	SYSTEM_INFO sysinfo;
	if (is_wow64())
		GetNativeSystemInfo(&sysinfo);
	else
		GetSystemInfo(&sysinfo);

	return sysinfo.dwNumberOfProcessors;
}

void OS_Windows::run() {
	if (!main_loop)
		return;

	main_loop->init();

	while (!force_quit) {
		DisplayServer::get_singleton()->process_events(); // get rid of pending events
		if (Main::iteration())
			break;
	};

	main_loop->finish();
}

MainLoop *OS_Windows::get_main_loop() const {
	return main_loop;
}

String OS_Windows::get_config_path() const {
	if (has_environment("XDG_CONFIG_HOME")) { // unlikely, but after all why not?
		return get_environment("XDG_CONFIG_HOME");
	} else if (has_environment("APPDATA")) {
		return get_environment("APPDATA");
	} else {
		return ".";
	}
}

String OS_Windows::get_data_path() const {
	if (has_environment("XDG_DATA_HOME")) {
		return get_environment("XDG_DATA_HOME");
	} else {
		return get_config_path();
	}
}

String OS_Windows::get_cache_path() const {
	if (has_environment("XDG_CACHE_HOME")) {
		return get_environment("XDG_CACHE_HOME");
	} else if (has_environment("TEMP")) {
		return get_environment("TEMP");
	} else {
		return get_config_path();
	}
}

// Get properly capitalized engine name for system paths
String OS_Windows::get_godot_dir_name() const {
	return String(VERSION_SHORT_NAME).capitalize();
}

String OS_Windows::get_system_dir(SystemDir p_dir) const {
	KNOWNFOLDERID id;

	switch (p_dir) {
		case SYSTEM_DIR_DESKTOP: {
			id = FOLDERID_Desktop;
		} break;
		case SYSTEM_DIR_DCIM: {
			id = FOLDERID_Pictures;
		} break;
		case SYSTEM_DIR_DOCUMENTS: {
			id = FOLDERID_Documents;
		} break;
		case SYSTEM_DIR_DOWNLOADS: {
			id = FOLDERID_Downloads;
		} break;
		case SYSTEM_DIR_MOVIES: {
			id = FOLDERID_Videos;
		} break;
		case SYSTEM_DIR_MUSIC: {
			id = FOLDERID_Music;
		} break;
		case SYSTEM_DIR_PICTURES: {
			id = FOLDERID_Pictures;
		} break;
		case SYSTEM_DIR_RINGTONES: {
			id = FOLDERID_Music;
		} break;
	}

	PWSTR szPath;
	HRESULT res = SHGetKnownFolderPath(id, 0, nullptr, &szPath);
	ERR_FAIL_COND_V(res != S_OK, String());
	String path = String(szPath);
	CoTaskMemFree(szPath);
	return path;
}

String OS_Windows::get_user_data_dir() const {
	String appname = get_safe_dir_name(ProjectSettings::get_singleton()->get("application/config/name"));
	if (appname != "") {
		bool use_custom_dir = ProjectSettings::get_singleton()->get("application/config/use_custom_user_dir");
		if (use_custom_dir) {
			String custom_dir = get_safe_dir_name(ProjectSettings::get_singleton()->get("application/config/custom_user_dir_name"), true);
			if (custom_dir == "") {
				custom_dir = appname;
			}
			return get_data_path().plus_file(custom_dir).replace("\\", "/");
		} else {
			return get_data_path().plus_file(get_godot_dir_name()).plus_file("app_userdata").plus_file(appname).replace("\\", "/");
		}
	}

	return ProjectSettings::get_singleton()->get_resource_path();
}

String OS_Windows::get_unique_id() const {
	HW_PROFILE_INFO HwProfInfo;
	ERR_FAIL_COND_V(!GetCurrentHwProfile(&HwProfInfo), "");
	return String(HwProfInfo.szHwProfileGuid);
}

bool OS_Windows::_check_internal_feature_support(const String &p_feature) {
	return p_feature == "pc";
}

void OS_Windows::disable_crash_handler() {
	crash_handler.disable();
}

bool OS_Windows::is_disable_crash_handler() const {
	return crash_handler.is_disabled();
}

Error OS_Windows::move_to_trash(const String &p_path) {
	SHFILEOPSTRUCTW sf;
	WCHAR *from = new WCHAR[p_path.length() + 2];
	wcscpy_s(from, p_path.length() + 1, p_path.c_str());
	from[p_path.length() + 1] = 0;

	sf.hwnd = main_window;
	sf.wFunc = FO_DELETE;
	sf.pFrom = from;
	sf.pTo = nullptr;
	sf.fFlags = FOF_ALLOWUNDO | FOF_NOCONFIRMATION;
	sf.fAnyOperationsAborted = FALSE;
	sf.hNameMappings = nullptr;
	sf.lpszProgressTitle = nullptr;

	int ret = SHFileOperationW(&sf);
	delete[] from;

	if (ret) {
		ERR_PRINT("SHFileOperation error: " + itos(ret));
		return FAILED;
	}

	return OK;
}

OS_Windows::OS_Windows(HINSTANCE _hInstance) {
	force_quit = false;

	hInstance = _hInstance;
#ifdef STDOUT_FILE
	stdo = fopen("stdout.txt", "wb");
#endif

#ifdef WASAPI_ENABLED
	AudioDriverManager::add_driver(&driver_wasapi);
#endif
#ifdef XAUDIO2_ENABLED
	AudioDriverManager::add_driver(&driver_xaudio2);
#endif

	DisplayServerWindows::register_windows_driver();

	Vector<Logger *> loggers;
	loggers.push_back(memnew(WindowsTerminalLogger));
	_set_logger(memnew(CompositeLogger(loggers)));
}

OS_Windows::~OS_Windows() {
#ifdef STDOUT_FILE
	fclose(stdo);
#endif
}