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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) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
/* */
/* 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 "display_server_windows.h"
#include "joypad_windows.h"
#include "lang_table.h"
#include "windows_terminal_logger.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 "main/main.h"
#include "servers/audio_server.h"
#include "servers/rendering/rendering_server_default.h"
#include "servers/text_server.h"
#include <avrt.h>
#include <bcrypt.h>
#include <direct.h>
#include <knownfolders.h>
#include <process.h>
#include <psapi.h>
#include <regstr.h>
#include <shlobj.h>
#include <wbemcli.h>
#include <wincrypt.h>
#ifdef DEBUG_ENABLED
#pragma pack(push, before_imagehlp, 8)
#include <imagehlp.h>
#pragma pack(pop, before_imagehlp)
#endif
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
// Missing in MinGW headers before 8.0.
#ifndef DWRITE_FONT_WEIGHT_SEMI_LIGHT
#define DWRITE_FONT_WEIGHT_SEMI_LIGHT (DWRITE_FONT_WEIGHT)350
#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.replace("\r", "").replace("\n", "");
}
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);
}
}
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;
HRESULT hr = DWriteCreateFactory(DWRITE_FACTORY_TYPE_SHARED, __uuidof(IDWriteFactory), reinterpret_cast<IUnknown **>(&dwrite_factory));
if (SUCCEEDED(hr)) {
hr = dwrite_factory->GetSystemFontCollection(&font_collection, false);
if (SUCCEEDED(hr)) {
dwrite_init = true;
hr = dwrite_factory->QueryInterface(&dwrite_factory2);
if (SUCCEEDED(hr)) {
hr = dwrite_factory2->GetSystemFontFallback(&system_font_fallback);
if (SUCCEEDED(hr)) {
dwrite2_init = true;
}
}
}
}
if (!dwrite_init) {
print_verbose("Unable to load IDWriteFactory, system font support is disabled.");
} else if (!dwrite2_init) {
print_verbose("Unable to load IDWriteFactory2, automatic system font fallback is disabled.");
}
FileAccessWindows::initialize();
}
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() {
if (dwrite_factory2) {
dwrite_factory2->Release();
dwrite_factory2 = nullptr;
}
if (font_collection) {
font_collection->Release();
font_collection = nullptr;
}
if (system_font_fallback) {
system_font_fallback->Release();
system_font_fallback = nullptr;
}
if (dwrite_factory) {
dwrite_factory->Release();
dwrite_factory = nullptr;
}
#ifdef WINMIDI_ENABLED
driver_midi.close();
#endif
if (main_loop) {
memdelete(main_loop);
}
main_loop = nullptr;
}
void OS_Windows::finalize_core() {
FileAccessWindows::finalize();
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;
}
#ifdef DEBUG_ENABLED
void debug_dynamic_library_check_dependencies(const String &p_root_path, const String &p_path, HashSet<String> &r_checked, HashSet<String> &r_missing) {
if (r_checked.has(p_path)) {
return;
}
r_checked.insert(p_path);
LOADED_IMAGE loaded_image;
HANDLE file = CreateFileW((LPCWSTR)p_path.utf16().get_data(), GENERIC_READ, FILE_SHARE_READ, nullptr, OPEN_EXISTING, 0, nullptr);
if (file != INVALID_HANDLE_VALUE) {
HANDLE file_mapping = CreateFileMappingW(file, nullptr, PAGE_READONLY | SEC_COMMIT, 0, 0, nullptr);
if (file_mapping != INVALID_HANDLE_VALUE) {
PVOID mapping = MapViewOfFile(file_mapping, FILE_MAP_READ, 0, 0, 0);
if (mapping) {
PIMAGE_DOS_HEADER dos_header = (PIMAGE_DOS_HEADER)mapping;
PIMAGE_NT_HEADERS nt_header = nullptr;
if (dos_header->e_magic == IMAGE_DOS_SIGNATURE) {
PCHAR nt_header_ptr;
nt_header_ptr = ((PCHAR)mapping) + dos_header->e_lfanew;
nt_header = (PIMAGE_NT_HEADERS)nt_header_ptr;
if (nt_header->Signature != IMAGE_NT_SIGNATURE) {
nt_header = nullptr;
}
}
if (nt_header) {
loaded_image.ModuleName = nullptr;
loaded_image.hFile = file;
loaded_image.MappedAddress = (PUCHAR)mapping;
loaded_image.FileHeader = nt_header;
loaded_image.Sections = (PIMAGE_SECTION_HEADER)((LPBYTE)&nt_header->OptionalHeader + nt_header->FileHeader.SizeOfOptionalHeader);
loaded_image.NumberOfSections = nt_header->FileHeader.NumberOfSections;
loaded_image.SizeOfImage = GetFileSize(file, nullptr);
loaded_image.Characteristics = nt_header->FileHeader.Characteristics;
loaded_image.LastRvaSection = loaded_image.Sections;
loaded_image.fSystemImage = false;
loaded_image.fDOSImage = false;
loaded_image.Links.Flink = &loaded_image.Links;
loaded_image.Links.Blink = &loaded_image.Links;
ULONG size = 0;
const IMAGE_IMPORT_DESCRIPTOR *import_desc = (const IMAGE_IMPORT_DESCRIPTOR *)ImageDirectoryEntryToData((HMODULE)loaded_image.MappedAddress, false, IMAGE_DIRECTORY_ENTRY_IMPORT, &size);
if (import_desc) {
for (; import_desc->Name && import_desc->FirstThunk; import_desc++) {
char16_t full_name_wc[MAX_PATH];
const char *name_cs = (const char *)ImageRvaToVa(loaded_image.FileHeader, loaded_image.MappedAddress, import_desc->Name, 0);
String name = String(name_cs);
if (name.begins_with("api-ms-win-")) {
r_checked.insert(name);
} else if (SearchPathW(nullptr, (LPCWSTR)name.utf16().get_data(), nullptr, MAX_PATH, (LPWSTR)full_name_wc, nullptr)) {
debug_dynamic_library_check_dependencies(p_root_path, String::utf16(full_name_wc), r_checked, r_missing);
} else if (SearchPathW((LPCWSTR)(p_path.get_base_dir().utf16().get_data()), (LPCWSTR)name.utf16().get_data(), nullptr, MAX_PATH, (LPWSTR)full_name_wc, nullptr)) {
debug_dynamic_library_check_dependencies(p_root_path, String::utf16(full_name_wc), r_checked, r_missing);
} else {
r_missing.insert(name);
}
}
}
}
UnmapViewOfFile(mapping);
}
CloseHandle(file_mapping);
}
CloseHandle(file);
}
}
#endif
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 gdextension can load .dll files from within the executable path
path = get_executable_path().get_base_dir().path_join(p_path.get_file());
}
ERR_FAIL_COND_V(!FileAccess::exists(path), ERR_FILE_NOT_FOUND);
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);
#ifdef DEBUG_ENABLED
if (!p_library_handle) {
DWORD err_code = GetLastError();
HashSet<String> checekd_libs;
HashSet<String> missing_libs;
debug_dynamic_library_check_dependencies(path, path, checekd_libs, missing_libs);
if (!missing_libs.is_empty()) {
String missing;
for (const String &E : missing_libs) {
if (!missing.is_empty()) {
missing += ", ";
}
missing += E;
}
ERR_FAIL_V_MSG(ERR_CANT_OPEN, vformat("Can't open dynamic library: %s. Missing dependencies: %s. Error: %s.", p_path, missing, format_error_message(err_code)));
} else {
ERR_FAIL_V_MSG(ERR_CANT_OPEN, vformat("Can't open dynamic library: %s. Error: %s.", p_path, format_error_message(err_code)));
}
}
#else
ERR_FAIL_NULL_V_MSG(p_library_handle, ERR_CANT_OPEN, vformat("Can't open dynamic library: %s. Error: %s.", p_path, format_error_message(GetLastError())));
#endif
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, vformat("Can't resolve symbol %s, error: \"%s\".", p_name, format_error_message(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 {
RtlGetVersionPtr version_ptr = (RtlGetVersionPtr)GetProcAddress(GetModuleHandle("ntdll.dll"), "RtlGetVersion");
if (version_ptr != nullptr) {
RTL_OSVERSIONINFOW fow;
ZeroMemory(&fow, sizeof(fow));
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 "";
}
Vector<String> OS_Windows::get_video_adapter_driver_info() const {
if (RenderingServer::get_singleton() == nullptr) {
return Vector<String>();
}
static Vector<String> info;
if (!info.is_empty()) {
return info;
}
REFCLSID clsid = CLSID_WbemLocator; // Unmarshaler CLSID
REFIID uuid = IID_IWbemLocator; // Interface UUID
IWbemLocator *wbemLocator = NULL; // to get the services
IWbemServices *wbemServices = NULL; // to get the class
IEnumWbemClassObject *iter = NULL;
IWbemClassObject *pnpSDriverObject[1]; // contains driver name, version, etc.
String driver_name;
String driver_version;
const String device_name = RenderingServer::get_singleton()->get_video_adapter_name();
if (device_name.is_empty()) {
return Vector<String>();
}
HRESULT hr = CoCreateInstance(clsid, NULL, CLSCTX_INPROC_SERVER, uuid, (LPVOID *)&wbemLocator);
if (hr != S_OK) {
return Vector<String>();
}
BSTR resource_name = SysAllocString(L"root\\CIMV2");
hr = wbemLocator->ConnectServer(resource_name, NULL, NULL, NULL, 0, NULL, NULL, &wbemServices);
SysFreeString(resource_name);
SAFE_RELEASE(wbemLocator) // from now on, use `wbemServices`
if (hr != S_OK) {
SAFE_RELEASE(wbemServices)
return Vector<String>();
}
const String gpu_device_class_query = vformat("SELECT * FROM Win32_PnPSignedDriver WHERE DeviceName = \"%s\"", device_name);
BSTR query = SysAllocString((const WCHAR *)gpu_device_class_query.utf16().get_data());
BSTR query_lang = SysAllocString(L"WQL");
hr = wbemServices->ExecQuery(query_lang, query, WBEM_FLAG_RETURN_IMMEDIATELY | WBEM_FLAG_FORWARD_ONLY, NULL, &iter);
SysFreeString(query_lang);
SysFreeString(query);
if (hr == S_OK) {
ULONG resultCount;
hr = iter->Next(5000, 1, pnpSDriverObject, &resultCount); // Get exactly 1. Wait max 5 seconds.
if (hr == S_OK && resultCount > 0) {
VARIANT dn;
VariantInit(&dn);
BSTR object_name = SysAllocString(L"DriverName");
hr = pnpSDriverObject[0]->Get(object_name, 0, &dn, NULL, NULL);
SysFreeString(object_name);
if (hr == S_OK) {
String d_name = String(V_BSTR(&dn));
if (d_name.is_empty()) {
object_name = SysAllocString(L"DriverProviderName");
hr = pnpSDriverObject[0]->Get(object_name, 0, &dn, NULL, NULL);
SysFreeString(object_name);
if (hr == S_OK) {
driver_name = String(V_BSTR(&dn));
}
} else {
driver_name = d_name;
}
} else {
object_name = SysAllocString(L"DriverProviderName");
hr = pnpSDriverObject[0]->Get(object_name, 0, &dn, NULL, NULL);
SysFreeString(object_name);
if (hr == S_OK) {
driver_name = String(V_BSTR(&dn));
}
}
VARIANT dv;
VariantInit(&dv);
object_name = SysAllocString(L"DriverVersion");
hr = pnpSDriverObject[0]->Get(object_name, 0, &dv, NULL, NULL);
SysFreeString(object_name);
if (hr == S_OK) {
driver_version = String(V_BSTR(&dv));
}
for (ULONG i = 0; i < resultCount; i++) {
SAFE_RELEASE(pnpSDriverObject[i])
}
}
}
SAFE_RELEASE(wbemServices)
SAFE_RELEASE(iter)
info.push_back(driver_name);
info.push_back(driver_version);
return info;
}
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 is_daylight = false;
if (!p_utc && GetTimeZoneInformation(&info) == TIME_ZONE_ID_DAYLIGHT) {
is_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 = is_daylight;
return dt;
}
OS::TimeZoneInfo OS_Windows::get_time_zone_info() const {
TIME_ZONE_INFORMATION info;
bool is_daylight = false;
if (GetTimeZoneInformation(&info) == TIME_ZONE_ID_DAYLIGHT) {
is_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 (is_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();
}
}
Dictionary OS_Windows::get_memory_info() const {
Dictionary meminfo;
meminfo["physical"] = -1;
meminfo["free"] = -1;
meminfo["available"] = -1;
meminfo["stack"] = -1;
PERFORMANCE_INFORMATION pref_info;
pref_info.cb = sizeof(pref_info);
GetPerformanceInfo(&pref_info, sizeof(pref_info));
typedef void(WINAPI * PGetCurrentThreadStackLimits)(PULONG_PTR, PULONG_PTR);
PGetCurrentThreadStackLimits GetCurrentThreadStackLimits = (PGetCurrentThreadStackLimits)GetProcAddress(GetModuleHandleA("kernel32.dll"), "GetCurrentThreadStackLimits");
ULONG_PTR LowLimit = 0;
ULONG_PTR HighLimit = 0;
if (GetCurrentThreadStackLimits) {
GetCurrentThreadStackLimits(&LowLimit, &HighLimit);
}
if (pref_info.PhysicalTotal * pref_info.PageSize != 0) {
meminfo["physical"] = static_cast<int64_t>(pref_info.PhysicalTotal * pref_info.PageSize);
}
if (pref_info.PhysicalAvailable * pref_info.PageSize != 0) {
meminfo["free"] = static_cast<int64_t>(pref_info.PhysicalAvailable * pref_info.PageSize);
}
if (pref_info.CommitLimit * pref_info.PageSize != 0) {
meminfo["available"] = static_cast<int64_t>(pref_info.CommitLimit * pref_info.PageSize);
}
if (HighLimit - LowLimit != 0) {
meminfo["stack"] = static_cast<int64_t>(HighLimit - LowLimit);
}
return meminfo;
}
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.
}
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) {
int ret = 0;
if (process_map->has(p_pid)) {
const PROCESS_INFORMATION pi = (*process_map)[p_pid].pi;
process_map->erase(p_pid);
ret = TerminateProcess(pi.hProcess, 0);
CloseHandle(pi.hProcess);
CloseHandle(pi.hThread);
} else {
HANDLE hProcess = OpenProcess(PROCESS_TERMINATE, false, (DWORD)p_pid);
if (hProcess != NULL) {
ret = TerminateProcess(hProcess, 0);
CloseHandle(hProcess);
}
}
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 {
if (!dwrite_init) {
return Vector<String>();
}
Vector<String> ret;
HashSet<String> font_names;
UINT32 family_count = font_collection->GetFontFamilyCount();
for (UINT32 i = 0; i < family_count; i++) {
ComAutoreleaseRef<IDWriteFontFamily> family;
HRESULT 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;
}
#if defined(__GNUC__) && !defined(__clang__)
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wnon-virtual-dtor"
#endif
class FallbackTextAnalysisSource : public IDWriteTextAnalysisSource {
LONG _cRef = 1;
bool rtl = false;
Char16String string;
Char16String locale;
IDWriteNumberSubstitution *n_sub = nullptr;
public:
HRESULT STDMETHODCALLTYPE QueryInterface(REFIID riid, VOID **ppvInterface) override {
if (IID_IUnknown == riid) {
AddRef();
*ppvInterface = (IUnknown *)this;
} else if (__uuidof(IMMNotificationClient) == riid) {
AddRef();
*ppvInterface = (IMMNotificationClient *)this;
} else {
*ppvInterface = nullptr;
return E_NOINTERFACE;
}
return S_OK;
}
ULONG STDMETHODCALLTYPE AddRef() override {
return InterlockedIncrement(&_cRef);
}
ULONG STDMETHODCALLTYPE Release() override {
ULONG ulRef = InterlockedDecrement(&_cRef);
if (0 == ulRef) {
delete this;
}
return ulRef;
}
HRESULT STDMETHODCALLTYPE GetTextAtPosition(UINT32 p_text_position, WCHAR const **r_text_string, UINT32 *r_text_length) override {
if (p_text_position >= (UINT32)string.length()) {
*r_text_string = nullptr;
*r_text_length = 0;
return S_OK;
}
*r_text_string = reinterpret_cast<const wchar_t *>(string.get_data()) + p_text_position;
*r_text_length = string.length() - p_text_position;
return S_OK;
}
HRESULT STDMETHODCALLTYPE GetTextBeforePosition(UINT32 p_text_position, WCHAR const **r_text_string, UINT32 *r_text_length) override {
if (p_text_position < 1 || p_text_position >= (UINT32)string.length()) {
*r_text_string = nullptr;
*r_text_length = 0;
return S_OK;
}
*r_text_string = reinterpret_cast<const wchar_t *>(string.get_data());
*r_text_length = p_text_position;
return S_OK;
}
DWRITE_READING_DIRECTION STDMETHODCALLTYPE GetParagraphReadingDirection() override {
return (rtl) ? DWRITE_READING_DIRECTION_RIGHT_TO_LEFT : DWRITE_READING_DIRECTION_LEFT_TO_RIGHT;
}
HRESULT STDMETHODCALLTYPE GetLocaleName(UINT32 p_text_position, UINT32 *r_text_length, WCHAR const **r_locale_name) override {
*r_locale_name = reinterpret_cast<const wchar_t *>(locale.get_data());
return S_OK;
}
HRESULT STDMETHODCALLTYPE GetNumberSubstitution(UINT32 p_text_position, UINT32 *r_text_length, IDWriteNumberSubstitution **r_number_substitution) override {
*r_number_substitution = n_sub;
return S_OK;
}
FallbackTextAnalysisSource(const Char16String &p_text, const Char16String &p_locale, bool p_rtl, IDWriteNumberSubstitution *p_nsub) {
_cRef = 1;
string = p_text;
locale = p_locale;
n_sub = p_nsub;
rtl = p_rtl;
};
virtual ~FallbackTextAnalysisSource() {}
};
#if defined(__GNUC__) && !defined(__clang__)
#pragma GCC diagnostic pop
#endif
String OS_Windows::_get_default_fontname(const String &p_font_name) 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";
}
return font_name;
}
DWRITE_FONT_WEIGHT OS_Windows::_weight_to_dw(int p_weight) const {
if (p_weight < 150) {
return DWRITE_FONT_WEIGHT_THIN;
} else if (p_weight < 250) {
return DWRITE_FONT_WEIGHT_EXTRA_LIGHT;
} else if (p_weight < 325) {
return DWRITE_FONT_WEIGHT_LIGHT;
} else if (p_weight < 375) {
return DWRITE_FONT_WEIGHT_SEMI_LIGHT;
} else if (p_weight < 450) {
return DWRITE_FONT_WEIGHT_NORMAL;
} else if (p_weight < 550) {
return DWRITE_FONT_WEIGHT_MEDIUM;
} else if (p_weight < 650) {
return DWRITE_FONT_WEIGHT_DEMI_BOLD;
} else if (p_weight < 750) {
return DWRITE_FONT_WEIGHT_BOLD;
} else if (p_weight < 850) {
return DWRITE_FONT_WEIGHT_EXTRA_BOLD;
} else if (p_weight < 925) {
return DWRITE_FONT_WEIGHT_BLACK;
} else {
return DWRITE_FONT_WEIGHT_EXTRA_BLACK;
}
}
DWRITE_FONT_STRETCH OS_Windows::_stretch_to_dw(int p_stretch) const {
if (p_stretch < 56) {
return DWRITE_FONT_STRETCH_ULTRA_CONDENSED;
} else if (p_stretch < 69) {
return DWRITE_FONT_STRETCH_EXTRA_CONDENSED;
} else if (p_stretch < 81) {
return DWRITE_FONT_STRETCH_CONDENSED;
} else if (p_stretch < 93) {
return DWRITE_FONT_STRETCH_SEMI_CONDENSED;
} else if (p_stretch < 106) {
return DWRITE_FONT_STRETCH_NORMAL;
} else if (p_stretch < 137) {
return DWRITE_FONT_STRETCH_SEMI_EXPANDED;
} else if (p_stretch < 144) {
return DWRITE_FONT_STRETCH_EXPANDED;
} else if (p_stretch < 162) {
return DWRITE_FONT_STRETCH_EXTRA_EXPANDED;
} else {
return DWRITE_FONT_STRETCH_ULTRA_EXPANDED;
}
}
Vector<String> OS_Windows::get_system_font_path_for_text(const String &p_font_name, const String &p_text, const String &p_locale, const String &p_script, int p_weight, int p_stretch, bool p_italic) const {
if (!dwrite2_init) {
return Vector<String>();
}
String font_name = _get_default_fontname(p_font_name);
bool rtl = TS->is_locale_right_to_left(p_locale);
Char16String text = p_text.utf16();
Char16String locale = p_locale.utf16();
ComAutoreleaseRef<IDWriteNumberSubstitution> number_substitution;
HRESULT hr = dwrite_factory->CreateNumberSubstitution(DWRITE_NUMBER_SUBSTITUTION_METHOD_NONE, reinterpret_cast<const wchar_t *>(locale.get_data()), true, &number_substitution.reference);
ERR_FAIL_COND_V(FAILED(hr) || number_substitution.is_null(), Vector<String>());
FallbackTextAnalysisSource fs = FallbackTextAnalysisSource(text, locale, rtl, number_substitution.reference);
UINT32 mapped_length = 0;
FLOAT scale = 0.0;
ComAutoreleaseRef<IDWriteFont> dwrite_font;
hr = system_font_fallback->MapCharacters(
&fs,
0,
(UINT32)text.length(),
font_collection,
reinterpret_cast<const wchar_t *>(font_name.utf16().get_data()),
_weight_to_dw(p_weight),
p_italic ? DWRITE_FONT_STYLE_ITALIC : DWRITE_FONT_STYLE_NORMAL,
_stretch_to_dw(p_stretch),
&mapped_length,
&dwrite_font.reference,
&scale);
if (FAILED(hr) || dwrite_font.is_null()) {
return Vector<String>();
}
ComAutoreleaseRef<IDWriteFontFace> dwrite_face;
hr = dwrite_font->CreateFontFace(&dwrite_face.reference);
if (FAILED(hr) || dwrite_face.is_null()) {
return Vector<String>();
}
UINT32 number_of_files = 0;
hr = dwrite_face->GetFiles(&number_of_files, nullptr);
if (FAILED(hr)) {
return Vector<String>();
}
Vector<ComAutoreleaseRef<IDWriteFontFile>> files;
files.resize(number_of_files);
hr = dwrite_face->GetFiles(&number_of_files, (IDWriteFontFile **)files.ptrw());
if (FAILED(hr)) {
return Vector<String>();
}
Vector<String> ret;
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;
}
String fpath = String::utf16((const char16_t *)&file_path[0]).replace("\\", "/");
WIN32_FIND_DATAW d;
HANDLE fnd = FindFirstFileW((LPCWSTR)&file_path[0], &d);
if (fnd != INVALID_HANDLE_VALUE) {
String fname = String::utf16((const char16_t *)d.cFileName);
if (!fname.is_empty()) {
fpath = fpath.get_base_dir().path_join(fname);
}
FindClose(fnd);
}
ret.push_back(fpath);
}
return ret;
}
String OS_Windows::get_system_font_path(const String &p_font_name, int p_weight, int p_stretch, bool p_italic) const {
if (!dwrite_init) {
return String();
}
String font_name = _get_default_fontname(p_font_name);
UINT32 index = 0;
BOOL exists = false;
HRESULT hr = font_collection->FindFamilyName((const WCHAR *)font_name.utf16().get_data(), &index, &exists);
if (FAILED(hr) || !exists) {
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(_weight_to_dw(p_weight), _stretch_to_dw(p_stretch), 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;
}
String fpath = String::utf16((const char16_t *)&file_path[0]).replace("\\", "/");
WIN32_FIND_DATAW d;
HANDLE fnd = FindFirstFileW((LPCWSTR)&file_path[0], &d);
if (fnd != INVALID_HANDLE_VALUE) {
String fname = String::utf16((const char16_t *)d.cFileName);
if (!fname.is_empty()) {
fpath = fpath.get_base_dir().path_join(fname);
}
FindClose(fnd);
}
return fpath;
}
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 "";
}
void OS_Windows::set_environment(const String &p_var, const String &p_value) const {
ERR_FAIL_COND_MSG(p_var.is_empty() || p_var.contains("="), vformat("Invalid environment variable name '%s', cannot be empty or include '='.", p_var));
Char16String var = p_var.utf16();
Char16String value = p_value.utf16();
ERR_FAIL_COND_MSG(var.length() + value.length() + 2 > 32767, vformat("Invalid definition for environment variable '%s', cannot exceed 32767 characters.", p_var));
SetEnvironmentVariableW((LPCWSTR)(var.get_data()), (LPCWSTR)(value.get_data()));
}
void OS_Windows::unset_environment(const String &p_var) const {
ERR_FAIL_COND_MSG(p_var.is_empty() || p_var.contains("="), vformat("Invalid environment variable name '%s', cannot be empty or include '='.", p_var));
SetEnvironmentVariableW((LPCWSTR)(p_var.utf16().get_data()), nullptr); // Null to delete.
}
String OS_Windows::get_stdin_string() {
WCHAR buff[1024];
DWORD count = 0;
if (ReadConsoleW(GetStdHandle(STD_INPUT_HANDLE), buff, 1024, &count, nullptr)) {
return String::utf16((const char16_t *)buff, count);
}
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;
}
}
}
Error OS_Windows::shell_show_in_file_manager(String p_path, bool p_open_folder) {
bool open_folder = false;
if (DirAccess::dir_exists_absolute(p_path) && p_open_folder) {
open_folder = true;
}
if (!p_path.is_quoted()) {
p_path = p_path.quote();
}
p_path = p_path.replace("/", "\\");
INT_PTR ret = OK;
if (open_folder) {
ret = (INT_PTR)ShellExecuteW(nullptr, nullptr, L"explorer.exe", LPCWSTR(p_path.utf16().get_data()), nullptr, SW_SHOWNORMAL);
} else {
ret = (INT_PTR)ShellExecuteW(nullptr, nullptr, L"explorer.exe", LPCWSTR((String("/select,") + p_path).utf16().get_data()), 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;
}
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 {
if (has_environment("APPDATA")) {
return get_environment("APPDATA").replace("\\", "/");
}
return ".";
}
String OS_Windows::get_data_path() const {
return get_config_path();
}
String OS_Windows::get_cache_path() const {
static String cache_path_cache;
if (cache_path_cache.is_empty()) {
if (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(GLOBAL_GET("application/config/name"));
if (!appname.is_empty()) {
bool use_custom_dir = GLOBAL_GET("application/config/use_custom_user_dir");
if (use_custom_dir) {
String custom_dir = get_safe_dir_name(GLOBAL_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) {
if (p_feature == "system_fonts") {
return dwrite_init;
}
if (p_feature == "pc") {
return true;
}
return false;
}
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;
}
String OS_Windows::get_system_ca_certificates() {
HCERTSTORE cert_store = CertOpenSystemStoreA(0, "ROOT");
ERR_FAIL_NULL_V_MSG(cert_store, "", "Failed to read the root certificate store.");
FILETIME curr_time;
GetSystemTimeAsFileTime(&curr_time);
String certs;
PCCERT_CONTEXT curr = CertEnumCertificatesInStore(cert_store, nullptr);
while (curr) {
FILETIME ft;
DWORD size = sizeof(ft);
// Check if the certificate is disallowed.
if (CertGetCertificateContextProperty(curr, CERT_DISALLOWED_FILETIME_PROP_ID, &ft, &size) && CompareFileTime(&curr_time, &ft) != -1) {
curr = CertEnumCertificatesInStore(cert_store, curr);
continue;
}
// Encode and add to certificate list.
bool success = CryptBinaryToStringA(curr->pbCertEncoded, curr->cbCertEncoded, CRYPT_STRING_BASE64HEADER | CRYPT_STRING_NOCR, nullptr, &size);
ERR_CONTINUE(!success);
PackedByteArray pba;
pba.resize(size);
CryptBinaryToStringA(curr->pbCertEncoded, curr->cbCertEncoded, CRYPT_STRING_BASE64HEADER | CRYPT_STRING_NOCR, (char *)pba.ptrw(), &size);
certs += String((char *)pba.ptr(), size);
curr = CertEnumCertificatesInStore(cert_store, curr);
}
CertCloseStore(cert_store, 0);
return certs;
}
OS_Windows::OS_Windows(HINSTANCE _hInstance) {
hInstance = _hInstance;
CoInitializeEx(nullptr, COINIT_APARTMENTTHREADED);
#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 = GetStdHandle(STD_OUTPUT_HANDLE);
DWORD outMode = ENABLE_PROCESSED_OUTPUT | 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() {
CoUninitialize();
}
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