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godot/platform/windows/os_windows.cpp

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/*************************************************************************/
/* os_windows.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
/* */
/* 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. */
/*************************************************************************/
#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/unix/net_socket_posix.h"
#include "drivers/windows/dir_access_windows.h"
#include "drivers/windows/file_access_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_default.h"
#include "windows_terminal_logger.h"
#include <avrt.h>
#include <bcrypt.h>
#include <direct.h>
#include <dwrite.h>
#include <knownfolders.h>
#include <process.h>
#include <regstr.h>
#include <shlobj.h>
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
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::utf16((const char16_t *)messageBuffer, size);
LocalFree(messageBuffer);
return msg;
}
void RedirectStream(const char *p_file_name, const char *p_mode, FILE *p_cpp_stream, const DWORD p_std_handle) {
const HANDLE h_existing = GetStdHandle(p_std_handle);
if (h_existing != INVALID_HANDLE_VALUE) { // Redirect only if attached console have a valid handle.
const HANDLE h_cpp = reinterpret_cast<HANDLE>(_get_osfhandle(_fileno(p_cpp_stream)));
if (h_cpp == INVALID_HANDLE_VALUE) { // Redirect only if it's not already redirected to the pipe or file.
FILE *fp = p_cpp_stream;
freopen_s(&fp, p_file_name, p_mode, p_cpp_stream); // Redirect stream.
setvbuf(p_cpp_stream, nullptr, _IONBF, 0); // Disable stream buffering.
}
}
}
void RedirectIOToConsole() {
if (AttachConsole(ATTACH_PARENT_PROCESS)) {
RedirectStream("CONIN$", "r", stdin, STD_INPUT_HANDLE);
RedirectStream("CONOUT$", "w", stdout, STD_OUTPUT_HANDLE);
RedirectStream("CONOUT$", "w", stderr, STD_ERROR_HANDLE);
printf("\n"); // Make sure our output is starting from the new line.
}
}
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::alert(const String &p_alert, const String &p_title) {
MessageBoxW(nullptr, (LPCWSTR)(p_alert.utf16().get_data()), (LPCWSTR)(p_title.utf16().get_data()), MB_OK | MB_ICONEXCLAMATION | MB_TASKMODAL);
}
void OS_Windows::initialize_debugging() {
SetConsoleCtrlHandler(HandlerRoutine, TRUE);
}
#ifdef WINDOWS_DEBUG_OUTPUT_ENABLED
static void _error_handler(void *p_self, const char *p_func, const char *p_file, int p_line, const char *p_error, const char *p_errorexp, bool p_editor_notify, ErrorHandlerType p_type) {
String err_str;
if (p_errorexp && p_errorexp[0]) {
err_str = String::utf8(p_errorexp);
} else {
err_str = String::utf8(p_file) + ":" + itos(p_line) + " - " + String::utf8(p_error);
}
if (p_editor_notify) {
err_str += " (User)\n";
} else {
err_str += "\n";
}
OutputDebugStringW((LPCWSTR)err_str.utf16().ptr());
}
#endif
void OS_Windows::initialize() {
crash_handler.initialize();
#ifdef WINDOWS_DEBUG_OUTPUT_ENABLED
error_handlers.errfunc = _error_handler;
error_handlers.userdata = this;
add_error_handler(&error_handlers);
#endif
#ifndef WINDOWS_SUBSYSTEM_CONSOLE
RedirectIOToConsole();
#endif
FileAccess::make_default<FileAccessWindows>(FileAccess::ACCESS_RESOURCES);
FileAccess::make_default<FileAccessWindows>(FileAccess::ACCESS_USERDATA);
FileAccess::make_default<FileAccessWindows>(FileAccess::ACCESS_FILESYSTEM);
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
QueryPerformanceFrequency((LARGE_INTEGER *)&ticks_per_second);
QueryPerformanceCounter((LARGE_INTEGER *)&ticks_start);
// 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((HashMap<ProcessID, ProcessInfo>));
// Add current Godot PID to the list of known PIDs
ProcessInfo current_pi = {};
PROCESS_INFORMATION current_pi_pi = {};
current_pi.pi = current_pi_pi;
current_pi.pi.hProcess = GetCurrentProcess();
process_map->insert(GetCurrentProcessId(), current_pi);
IPUnix::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();
#ifdef WINDOWS_DEBUG_OUTPUT_ENABLED
remove_error_handler(&error_handlers);
#endif
}
Error OS_Windows::get_entropy(uint8_t *r_buffer, int p_bytes) {
NTSTATUS status = BCryptGenRandom(nullptr, r_buffer, p_bytes, BCRYPT_USE_SYSTEM_PREFERRED_RNG);
ERR_FAIL_COND_V(status, FAILED);
return OK;
}
Error OS_Windows::open_dynamic_library(const String p_path, void *&p_library_handle, bool p_also_set_library_path, String *r_resolved_path) {
String path = p_path.replace("/", "\\");
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().path_join(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((LPCWSTR)(path.get_base_dir().utf16().get_data()));
}
p_library_handle = (void *)LoadLibraryExW((LPCWSTR)(path.utf16().get_data()), 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);
}
if (r_resolved_path != nullptr) {
*r_resolved_path = path;
}
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";
}
String OS_Windows::get_distribution_name() const {
return get_name();
}
String OS_Windows::get_version() const {
typedef LONG NTSTATUS, *PNTSTATUS;
typedef NTSTATUS(WINAPI * RtlGetVersionPtr)(PRTL_OSVERSIONINFOW);
RtlGetVersionPtr version_ptr = (RtlGetVersionPtr)GetProcAddress(GetModuleHandle("ntdll.dll"), "RtlGetVersion");
if (version_ptr != nullptr) {
RTL_OSVERSIONINFOW fow = { 0 };
fow.dwOSVersionInfoSize = sizeof(fow);
if (version_ptr(&fow) == 0x00000000) {
return vformat("%d.%d.%d", (int64_t)fow.dwMajorVersion, (int64_t)fow.dwMinorVersion, (int64_t)fow.dwBuildNumber);
}
}
return "";
}
OS::DateTime OS_Windows::get_datetime(bool p_utc) const {
SYSTEMTIME systemtime;
if (p_utc) {
GetSystemTime(&systemtime);
} else {
GetLocalTime(&systemtime);
}
//Get DST information from Windows, but only if p_utc is false.
TIME_ZONE_INFORMATION info;
bool daylight = false;
if (!p_utc && GetTimeZoneInformation(&info) == TIME_ZONE_ID_DAYLIGHT) {
daylight = true;
}
DateTime dt;
dt.year = systemtime.wYear;
dt.month = Month(systemtime.wMonth);
dt.day = systemtime.wDay;
dt.weekday = Weekday(systemtime.wDayOfWeek);
dt.hour = systemtime.wHour;
dt.minute = systemtime.wMinute;
dt.second = systemtime.wSecond;
dt.dst = daylight;
return dt;
}
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;
}
// Daylight Bias needs to be added to the bias if DST is in effect, or else it will not properly update.
TimeZoneInfo ret;
if (daylight) {
ret.name = info.DaylightName;
ret.bias = info.Bias + info.DaylightBias;
} else {
ret.name = info.StandardName;
ret.bias = info.Bias + info.StandardBias;
}
// 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 = -ret.bias;
return ret;
}
double OS_Windows::get_unix_time() const {
// 1 Windows tick is 100ns
const uint64_t WINDOWS_TICKS_PER_SECOND = 10000000;
const uint64_t TICKS_TO_UNIX_EPOCH = 116444736000000000LL;
SYSTEMTIME st;
GetSystemTime(&st);
FILETIME ft;
SystemTimeToFileTime(&st, &ft);
uint64_t ticks_time;
ticks_time = ft.dwHighDateTime;
ticks_time <<= 32;
ticks_time |= ft.dwLowDateTime;
return (double)(ticks_time - TICKS_TO_UNIX_EPOCH) / WINDOWS_TICKS_PER_SECOND;
}
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;
// This is the number of clock ticks since start
QueryPerformanceCounter((LARGE_INTEGER *)&ticks);
// Subtract the ticks at game start to get
// the ticks since the game started
ticks -= ticks_start;
// Divide by frequency to get the time in seconds
// original calculation shown below is subject to overflow
// with high ticks_per_second and a number of days since the last reboot.
// time = ticks * 1000000L / ticks_per_second;
// we can prevent this by either using 128 bit math
// or separating into a calculation for seconds, and the fraction
uint64_t seconds = ticks / ticks_per_second;
// compiler will optimize these two into one divide
uint64_t leftover = ticks % ticks_per_second;
// remainder
uint64_t time = (leftover * 1000000L) / ticks_per_second;
// seconds
time += seconds * 1000000L;
return time;
}
String OS_Windows::_quote_command_line_argument(const String &p_text) const {
for (int i = 0; i < p_text.size(); i++) {
char32_t c = p_text[i];
if (c == ' ' || c == '&' || c == '(' || c == ')' || c == '[' || c == ']' || c == '{' || c == '}' || c == '^' || c == '=' || c == ';' || c == '!' || c == '\'' || c == '+' || c == ',' || c == '`' || c == '~') {
return "\"" + p_text + "\"";
}
}
return p_text;
}
static void _append_to_pipe(char *p_bytes, int p_size, String *r_pipe, Mutex *p_pipe_mutex) {
// Try to convert from default ANSI code page to Unicode.
LocalVector<wchar_t> wchars;
int total_wchars = MultiByteToWideChar(CP_ACP, 0, p_bytes, p_size, nullptr, 0);
if (total_wchars > 0) {
wchars.resize(total_wchars);
if (MultiByteToWideChar(CP_ACP, 0, p_bytes, p_size, wchars.ptr(), total_wchars) == 0) {
wchars.clear();
}
}
if (p_pipe_mutex) {
p_pipe_mutex->lock();
}
if (wchars.is_empty()) {
// Let's hope it's compatible with UTF-8.
(*r_pipe) += String::utf8(p_bytes, p_size);
} else {
(*r_pipe) += String(wchars.ptr(), total_wchars);
}
if (p_pipe_mutex) {
p_pipe_mutex->unlock();
}
}
Error OS_Windows::execute(const String &p_path, const List<String> &p_arguments, String *r_pipe, int *r_exitcode, bool read_stderr, Mutex *p_pipe_mutex, bool p_open_console) {
String path = p_path.replace("/", "\\");
String command = _quote_command_line_argument(path);
for (const String &E : p_arguments) {
command += " " + _quote_command_line_argument(E);
}
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;
bool inherit_handles = false;
HANDLE pipe[2] = { nullptr, nullptr };
if (r_pipe) {
// Create pipe for StdOut and StdErr.
SECURITY_ATTRIBUTES sa;
sa.nLength = sizeof(SECURITY_ATTRIBUTES);
sa.bInheritHandle = true;
sa.lpSecurityDescriptor = nullptr;
ERR_FAIL_COND_V(!CreatePipe(&pipe[0], &pipe[1], &sa, 0), ERR_CANT_FORK);
ERR_FAIL_COND_V(!SetHandleInformation(pipe[0], HANDLE_FLAG_INHERIT, 0), ERR_CANT_FORK); // Read handle is for host process only and should not be inherited.
pi.si.dwFlags |= STARTF_USESTDHANDLES;
pi.si.hStdOutput = pipe[1];
if (read_stderr) {
pi.si.hStdError = pipe[1];
}
inherit_handles = true;
}
DWORD creation_flags = NORMAL_PRIORITY_CLASS;
if (p_open_console) {
creation_flags |= CREATE_NEW_CONSOLE;
} else {
creation_flags |= CREATE_NO_WINDOW;
}
int ret = CreateProcessW(nullptr, (LPWSTR)(command.utf16().ptrw()), nullptr, nullptr, inherit_handles, creation_flags, nullptr, nullptr, si_w, &pi.pi);
if (!ret && r_pipe) {
CloseHandle(pipe[0]); // Cleanup pipe handles.
CloseHandle(pipe[1]);
}
ERR_FAIL_COND_V_MSG(ret == 0, ERR_CANT_FORK, "Could not create child process: " + command);
if (r_pipe) {
CloseHandle(pipe[1]); // Close pipe write handle (only child process is writing).
LocalVector<char> bytes;
int bytes_in_buffer = 0;
const int CHUNK_SIZE = 4096;
DWORD read = 0;
for (;;) { // Read StdOut and StdErr from pipe.
bytes.resize(bytes_in_buffer + CHUNK_SIZE);
const bool success = ReadFile(pipe[0], bytes.ptr() + bytes_in_buffer, CHUNK_SIZE, &read, NULL);
if (!success || read == 0) {
break;
}
// Assume that all possible encodings are ASCII-compatible.
// Break at newline to allow receiving long output in portions.
int newline_index = -1;
for (int i = read - 1; i >= 0; i--) {
if (bytes[bytes_in_buffer + i] == '\n') {
newline_index = i;
break;
}
}
if (newline_index == -1) {
bytes_in_buffer += read;
continue;
}
const int bytes_to_convert = bytes_in_buffer + (newline_index + 1);
_append_to_pipe(bytes.ptr(), bytes_to_convert, r_pipe, p_pipe_mutex);
bytes_in_buffer = read - (newline_index + 1);
memmove(bytes.ptr(), bytes.ptr() + bytes_to_convert, bytes_in_buffer);
}
if (bytes_in_buffer > 0) {
_append_to_pipe(bytes.ptr(), bytes_in_buffer, r_pipe, p_pipe_mutex);
}
CloseHandle(pipe[0]); // Close pipe read handle.
} else {
WaitForSingleObject(pi.pi.hProcess, INFINITE);
}
if (r_exitcode) {
DWORD ret2;
GetExitCodeProcess(pi.pi.hProcess, &ret2);
*r_exitcode = ret2;
}
CloseHandle(pi.pi.hProcess);
CloseHandle(pi.pi.hThread);
return OK;
}
Error OS_Windows::create_process(const String &p_path, const List<String> &p_arguments, ProcessID *r_child_id, bool p_open_console) {
String path = p_path.replace("/", "\\");
String command = _quote_command_line_argument(path);
for (const String &E : p_arguments) {
command += " " + _quote_command_line_argument(E);
}
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;
DWORD creation_flags = NORMAL_PRIORITY_CLASS;
if (p_open_console) {
creation_flags |= CREATE_NEW_CONSOLE;
} else {
creation_flags |= CREATE_NO_WINDOW;
}
int ret = CreateProcessW(nullptr, (LPWSTR)(command.utf16().ptrw()), nullptr, nullptr, false, creation_flags, nullptr, nullptr, si_w, &pi.pi);
ERR_FAIL_COND_V_MSG(ret == 0, ERR_CANT_FORK, "Could not create child process: " + command);
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();
}
bool OS_Windows::is_process_running(const ProcessID &p_pid) const {
if (!process_map->has(p_pid)) {
return false;
}
const PROCESS_INFORMATION &pi = (*process_map)[p_pid].pi;
DWORD dw_exit_code = 0;
if (!GetExitCodeProcess(pi.hProcess, &dw_exit_code)) {
return false;
}
if (dw_exit_code != STILL_ACTIVE) {
return false;
}
return true;
}
Error OS_Windows::set_cwd(const String &p_cwd) {
if (_wchdir((LPCWSTR)(p_cwd.utf16().get_data())) != 0) {
return ERR_CANT_OPEN;
}
return OK;
}
Vector<String> OS_Windows::get_system_fonts() const {
Vector<String> ret;
HashSet<String> font_names;
ComAutoreleaseRef<IDWriteFactory> dwrite_factory;
HRESULT hr = DWriteCreateFactory(DWRITE_FACTORY_TYPE_SHARED, __uuidof(IDWriteFactory), reinterpret_cast<IUnknown **>(&dwrite_factory.reference));
ERR_FAIL_COND_V(FAILED(hr) || dwrite_factory.is_null(), ret);
ComAutoreleaseRef<IDWriteFontCollection> font_collection;
hr = dwrite_factory->GetSystemFontCollection(&font_collection.reference, false);
ERR_FAIL_COND_V(FAILED(hr) || font_collection.is_null(), ret);
UINT32 family_count = font_collection->GetFontFamilyCount();
for (UINT32 i = 0; i < family_count; i++) {
ComAutoreleaseRef<IDWriteFontFamily> family;
hr = font_collection->GetFontFamily(i, &family.reference);
ERR_CONTINUE(FAILED(hr) || family.is_null());
ComAutoreleaseRef<IDWriteLocalizedStrings> family_names;
hr = family->GetFamilyNames(&family_names.reference);
ERR_CONTINUE(FAILED(hr) || family_names.is_null());
UINT32 index = 0;
BOOL exists = false;
UINT32 length = 0;
Char16String name;
hr = family_names->FindLocaleName(L"en-us", &index, &exists);
ERR_CONTINUE(FAILED(hr));
hr = family_names->GetStringLength(index, &length);
ERR_CONTINUE(FAILED(hr));
name.resize(length + 1);
hr = family_names->GetString(index, (WCHAR *)name.ptrw(), length + 1);
ERR_CONTINUE(FAILED(hr));
font_names.insert(String::utf16(name.ptr(), length));
}
for (const String &E : font_names) {
ret.push_back(E);
}
return ret;
}
String OS_Windows::get_system_font_path(const String &p_font_name, bool p_bold, bool p_italic) const {
String font_name = p_font_name;
if (font_name.to_lower() == "sans-serif") {
font_name = "Arial";
} else if (font_name.to_lower() == "serif") {
font_name = "Times New Roman";
} else if (font_name.to_lower() == "monospace") {
font_name = "Courier New";
} else if (font_name.to_lower() == "cursive") {
font_name = "Comic Sans MS";
} else if (font_name.to_lower() == "fantasy") {
font_name = "Gabriola";
}
ComAutoreleaseRef<IDWriteFactory> dwrite_factory;
HRESULT hr = DWriteCreateFactory(DWRITE_FACTORY_TYPE_SHARED, __uuidof(IDWriteFactory), reinterpret_cast<IUnknown **>(&dwrite_factory.reference));
ERR_FAIL_COND_V(FAILED(hr) || dwrite_factory.is_null(), String());
ComAutoreleaseRef<IDWriteFontCollection> font_collection;
hr = dwrite_factory->GetSystemFontCollection(&font_collection.reference, false);
ERR_FAIL_COND_V(FAILED(hr) || font_collection.is_null(), String());
UINT32 index = 0;
BOOL exists = false;
font_collection->FindFamilyName((const WCHAR *)font_name.utf16().get_data(), &index, &exists);
if (FAILED(hr)) {
return String();
}
ComAutoreleaseRef<IDWriteFontFamily> family;
hr = font_collection->GetFontFamily(index, &family.reference);
if (FAILED(hr) || family.is_null()) {
return String();
}
ComAutoreleaseRef<IDWriteFont> dwrite_font;
hr = family->GetFirstMatchingFont(p_bold ? DWRITE_FONT_WEIGHT_BOLD : DWRITE_FONT_WEIGHT_NORMAL, DWRITE_FONT_STRETCH_NORMAL, p_italic ? DWRITE_FONT_STYLE_ITALIC : DWRITE_FONT_STYLE_NORMAL, &dwrite_font.reference);
if (FAILED(hr) || dwrite_font.is_null()) {
return String();
}
ComAutoreleaseRef<IDWriteFontFace> dwrite_face;
hr = dwrite_font->CreateFontFace(&dwrite_face.reference);
if (FAILED(hr) || dwrite_face.is_null()) {
return String();
}
UINT32 number_of_files = 0;
hr = dwrite_face->GetFiles(&number_of_files, nullptr);
if (FAILED(hr)) {
return String();
}
Vector<ComAutoreleaseRef<IDWriteFontFile>> files;
files.resize(number_of_files);
hr = dwrite_face->GetFiles(&number_of_files, (IDWriteFontFile **)files.ptrw());
if (FAILED(hr)) {
return String();
}
for (UINT32 i = 0; i < number_of_files; i++) {
void const *reference_key = nullptr;
UINT32 reference_key_size = 0;
ComAutoreleaseRef<IDWriteLocalFontFileLoader> loader;
hr = files.write[i]->GetLoader((IDWriteFontFileLoader **)&loader.reference);
if (FAILED(hr) || loader.is_null()) {
continue;
}
hr = files.write[i]->GetReferenceKey(&reference_key, &reference_key_size);
if (FAILED(hr)) {
continue;
}
WCHAR file_path[MAX_PATH];
hr = loader->GetFilePathFromKey(reference_key, reference_key_size, &file_path[0], MAX_PATH);
if (FAILED(hr)) {
continue;
}
return String::utf16((const char16_t *)&file_path[0]);
}
return String();
}
String OS_Windows::get_executable_path() const {
WCHAR bufname[4096];
GetModuleFileNameW(nullptr, bufname, 4096);
String s = String::utf16((const char16_t *)bufname).replace("\\", "/");
return s;
}
bool OS_Windows::has_environment(const String &p_var) const {
#ifdef MINGW_ENABLED
return _wgetenv((LPCWSTR)(p_var.utf16().get_data())) != nullptr;
#else
WCHAR *env;
size_t len;
_wdupenv_s(&env, &len, (LPCWSTR)(p_var.utf16().get_data()));
const bool has_env = env != nullptr;
free(env);
return has_env;
#endif
}
String OS_Windows::get_environment(const String &p_var) const {
WCHAR wval[0x7fff]; // MSDN says 32767 char is the maximum
int wlen = GetEnvironmentVariableW((LPCWSTR)(p_var.utf16().get_data()), wval, 0x7fff);
if (wlen > 0) {
return String::utf16((const char16_t *)wval);
}
return "";
}
bool OS_Windows::set_environment(const String &p_var, const String &p_value) const {
return (bool)SetEnvironmentVariableW((LPCWSTR)(p_var.utf16().get_data()), (LPCWSTR)(p_value.utf16().get_data()));
}
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) {
INT_PTR ret = (INT_PTR)ShellExecuteW(nullptr, nullptr, (LPCWSTR)(p_uri.utf16().get_data()), nullptr, nullptr, SW_SHOWNORMAL);
if (ret > 32) {
return OK;
} else {
switch (ret) {
case ERROR_FILE_NOT_FOUND:
case SE_ERR_DLLNOTFOUND:
return ERR_FILE_NOT_FOUND;
case ERROR_PATH_NOT_FOUND:
return ERR_FILE_BAD_PATH;
case ERROR_BAD_FORMAT:
return ERR_FILE_CORRUPT;
case SE_ERR_ACCESSDENIED:
return ERR_UNAUTHORIZED;
case 0:
case SE_ERR_OOM:
return ERR_OUT_OF_MEMORY;
default:
return FAILED;
}
}
}
String OS_Windows::get_locale() const {
const _WinLocale *wl = &_win_locales[0];
LANGID langid = GetUserDefaultUILanguage();
String neutral;
int lang = PRIMARYLANGID(langid);
int sublang = SUBLANGID(langid);
while (wl->locale) {
if (wl->main_lang == lang && wl->sublang == SUBLANG_NEUTRAL) {
neutral = wl->locale;
}
if (lang == wl->main_lang && sublang == wl->sublang) {
return String(wl->locale).replace("-", "_");
}
wl++;
}
if (!neutral.is_empty()) {
return String(neutral).replace("-", "_");
}
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;
}
String OS_Windows::get_processor_name() const {
const String id = "Hardware\\Description\\System\\CentralProcessor\\0";
HKEY hkey;
if (RegOpenKeyExW(HKEY_LOCAL_MACHINE, (LPCWSTR)(id.utf16().get_data()), 0, KEY_QUERY_VALUE, &hkey) != ERROR_SUCCESS) {
ERR_FAIL_V_MSG("", String("Couldn't get the CPU model name. Returning an empty string."));
}
WCHAR buffer[256];
DWORD buffer_len = 256;
DWORD vtype = REG_SZ;
if (RegQueryValueExW(hkey, L"ProcessorNameString", NULL, &vtype, (LPBYTE)buffer, &buffer_len) == ERROR_SUCCESS) {
RegCloseKey(hkey);
return String::utf16((const char16_t *)buffer, buffer_len).strip_edges();
} else {
RegCloseKey(hkey);
ERR_FAIL_V_MSG("", String("Couldn't get the CPU model name. Returning an empty string."));
}
}
void OS_Windows::run() {
if (!main_loop) {
return;
}
main_loop->initialize();
while (true) {
DisplayServer::get_singleton()->process_events(); // get rid of pending events
if (Main::iteration()) {
break;
}
}
main_loop->finalize();
}
MainLoop *OS_Windows::get_main_loop() const {
return main_loop;
}
uint64_t OS_Windows::get_embedded_pck_offset() const {
Ref<FileAccess> f = FileAccess::open(get_executable_path(), FileAccess::READ);
if (f.is_null()) {
return 0;
}
// Process header.
{
f->seek(0x3c);
uint32_t pe_pos = f->get_32();
f->seek(pe_pos);
uint32_t magic = f->get_32();
if (magic != 0x00004550) {
return 0;
}
}
int num_sections;
{
int64_t header_pos = f->get_position();
f->seek(header_pos + 2);
num_sections = f->get_16();
f->seek(header_pos + 16);
uint16_t opt_header_size = f->get_16();
// Skip rest of header + optional header to go to the section headers.
f->seek(f->get_position() + 2 + opt_header_size);
}
int64_t section_table_pos = f->get_position();
// Search for the "pck" section.
int64_t off = 0;
for (int i = 0; i < num_sections; ++i) {
int64_t section_header_pos = section_table_pos + i * 40;
f->seek(section_header_pos);
uint8_t section_name[9];
f->get_buffer(section_name, 8);
section_name[8] = '\0';
if (strcmp((char *)section_name, "pck") == 0) {
f->seek(section_header_pos + 20);
off = f->get_32();
break;
}
}
return off;
}
String OS_Windows::get_config_path() const {
// The XDG Base Directory specification technically only applies on Linux/*BSD, but it doesn't hurt to support it on Windows as well.
if (has_environment("XDG_CONFIG_HOME")) {
if (get_environment("XDG_CONFIG_HOME").is_absolute_path()) {
return get_environment("XDG_CONFIG_HOME").replace("\\", "/");
} else {
WARN_PRINT_ONCE("`XDG_CONFIG_HOME` is a relative path. Ignoring its value and falling back to `%APPDATA%` or `.` per the XDG Base Directory specification.");
}
}
if (has_environment("APPDATA")) {
return get_environment("APPDATA").replace("\\", "/");
}
return ".";
}
String OS_Windows::get_data_path() const {
// The XDG Base Directory specification technically only applies on Linux/*BSD, but it doesn't hurt to support it on Windows as well.
if (has_environment("XDG_DATA_HOME")) {
if (get_environment("XDG_DATA_HOME").is_absolute_path()) {
return get_environment("XDG_DATA_HOME").replace("\\", "/");
} else {
WARN_PRINT_ONCE("`XDG_DATA_HOME` is a relative path. Ignoring its value and falling back to `get_config_path()` per the XDG Base Directory specification.");
}
}
return get_config_path();
}
String OS_Windows::get_cache_path() const {
static String cache_path_cache;
if (cache_path_cache.is_empty()) {
// The XDG Base Directory specification technically only applies on Linux/*BSD, but it doesn't hurt to support it on Windows as well.
if (has_environment("XDG_CACHE_HOME")) {
if (get_environment("XDG_CACHE_HOME").is_absolute_path()) {
cache_path_cache = get_environment("XDG_CACHE_HOME").replace("\\", "/");
} else {
WARN_PRINT_ONCE("`XDG_CACHE_HOME` is a relative path. Ignoring its value and falling back to `%LOCALAPPDATA%\\cache`, `%TEMP%` or `get_config_path()` per the XDG Base Directory specification.");
}
}
if (cache_path_cache.is_empty() && has_environment("LOCALAPPDATA")) {
cache_path_cache = get_environment("LOCALAPPDATA").replace("\\", "/");
}
if (cache_path_cache.is_empty() && has_environment("TEMP")) {
cache_path_cache = get_environment("TEMP").replace("\\", "/");
}
if (cache_path_cache.is_empty()) {
cache_path_cache = get_config_path();
}
}
return cache_path_cache;
}
// 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, bool p_shared_storage) 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::utf16((const char16_t *)szPath).replace("\\", "/");
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.is_empty()) {
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.is_empty()) {
custom_dir = appname;
}
return get_data_path().path_join(custom_dir).replace("\\", "/");
} else {
return get_data_path().path_join(get_godot_dir_name()).path_join("app_userdata").path_join(appname).replace("\\", "/");
}
}
return get_data_path().path_join(get_godot_dir_name()).path_join("app_userdata").path_join("[unnamed project]");
}
String OS_Windows::get_unique_id() const {
HW_PROFILE_INFOA HwProfInfo;
ERR_FAIL_COND_V(!GetCurrentHwProfileA(&HwProfInfo), "");
return String((HwProfInfo.szHwProfileGuid), HW_PROFILE_GUIDLEN);
}
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;
Char16String utf16 = p_path.utf16();
WCHAR *from = new WCHAR[utf16.length() + 2];
wcscpy_s(from, utf16.length() + 1, (LPCWSTR)(utf16.get_data()));
from[utf16.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) {
ticks_per_second = 0;
ticks_start = 0;
main_loop = nullptr;
process_map = nullptr;
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();
// Enable ANSI escape code support on Windows 10 v1607 (Anniversary Update) and later.
// This lets the engine and projects use ANSI escape codes to color text just like on macOS and Linux.
//
// NOTE: The engine does not use ANSI escape codes to color error/warning messages; it uses Windows API calls instead.
// Therefore, error/warning messages are still colored on Windows versions older than 10.
HANDLE stdoutHandle;
stdoutHandle = GetStdHandle(STD_OUTPUT_HANDLE);
DWORD outMode = 0;
outMode |= ENABLE_VIRTUAL_TERMINAL_PROCESSING;
if (!SetConsoleMode(stdoutHandle, outMode)) {
// Windows 8.1 or below, or Windows 10 prior to Anniversary Update.
print_verbose("Can't set the ENABLE_VIRTUAL_TERMINAL_PROCESSING Windows console mode. `print_rich()` will not work as expected.");
}
Vector<Logger *> loggers;
loggers.push_back(memnew(WindowsTerminalLogger));
_set_logger(memnew(CompositeLogger(loggers)));
}
OS_Windows::~OS_Windows() {
#ifdef STDOUT_FILE
fclose(stdo);
#endif
}
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