VoxelEngine/src/util/platform.cpp
2025-12-08 19:21:50 +03:00

288 lines
8.3 KiB
C++

#include "platform.hpp"
#include <time.h>
#include <iomanip>
#include <iostream>
#include <sstream>
#include <thread>
#include "stringutil.hpp"
#include "typedefs.hpp"
#include "debug/Logger.hpp"
#include "frontend/locale.hpp"
#ifdef _WIN32
#include <Windows.h>
#pragma comment(lib, "winmm.lib")
#else
#include <unistd.h>
#endif
namespace platform::internal {
std::filesystem::path get_executable_path();
}
static debug::Logger logger("platform");
#ifdef _WIN32
void platform::configure_encoding() {
// set utf-8 encoding to console output
SetConsoleOutputCP(CP_UTF8);
setvbuf(stdout, nullptr, _IOFBF, 1000);
}
std::string platform::detect_locale() {
LCID lcid = GetThreadLocale();
wchar_t preferredLocaleName[LOCALE_NAME_MAX_LENGTH]; // locale name format:
// ll-CC
if (LCIDToLocaleName(
lcid, preferredLocaleName, LOCALE_NAME_MAX_LENGTH, 0
) == 0) {
std::cerr
<< "error in platform::detect_locale! LCIDToLocaleName failed."
<< std::endl;
}
// ll_CC format
return util::wstr2str_utf8(preferredLocaleName)
.replace(2, 1, "_")
.substr(0, 5);
}
void platform::sleep(size_t millis) {
// Uses implementation from the SFML library
// https://github.com/SFML/SFML/blob/master/src/SFML/System/Win32/SleepImpl.cpp
// Get the minimum supported timer resolution on this system
static const UINT periodMin = []{
TIMECAPS tc;
timeGetDevCaps(&tc, sizeof(TIMECAPS));
return tc.wPeriodMin;
}();
// Set the timer resolution to the minimum for the Sleep call
timeBeginPeriod(periodMin);
// Wait...
Sleep(static_cast<DWORD>(millis));
// Reset the timer resolution back to the system default
timeEndPeriod(periodMin);
}
int platform::get_process_id() {
return GetCurrentProcessId();
}
bool platform::open_url(const std::string& url) {
if (url.empty()) return false;
// UTF-8 → UTF-16
int wlen = MultiByteToWideChar(CP_UTF8, 0, url.c_str(), -1, nullptr, 0);
if (wlen <= 0) return false;
std::wstring wurl(wlen, L'\0');
MultiByteToWideChar(CP_UTF8, 0, url.c_str(), -1, &wurl[0], wlen);
HINSTANCE result = ShellExecuteW(
nullptr, L"open", wurl.c_str(), nullptr, nullptr, SW_SHOWNORMAL
);
return reinterpret_cast<intptr_t>(result) > 32;
}
#else // _WIN32
void platform::configure_encoding() {
}
std::string platform::detect_locale() {
const char* const programLocaleName = setlocale(LC_ALL, nullptr);
const char* const preferredLocaleName =
setlocale(LC_ALL, ""); // locale name format: ll_CC.encoding
if (programLocaleName && preferredLocaleName) {
setlocale(LC_ALL, programLocaleName);
return std::string(preferredLocaleName);
}
return langs::FALLBACK_DEFAULT;
}
void platform::sleep(size_t millis) {
std::this_thread::sleep_for(std::chrono::milliseconds(millis));
}
int platform::get_process_id() {
return getpid();
}
bool platform::open_url(const std::string& url) {
if (url.empty()) return false;
#ifdef __APPLE__
auto cmd = "open " + util::quote(url);
if (int res = system(cmd.c_str())) {
logger.warning() << "'" << cmd << "' returned code " << res;
} else {
return false;
}
#elif defined(_WIN32)
auto res = ShellExecuteW(nullptr, L"open", util::quote(url).c_str(), nullptr, nullptr, SW_SHOWDEFAULT);
if (res <= 32) {
logger.warning() << "'open' returned code " << res;
} else {
return false;
}
#else
auto cmd = "xdg-open " + util::quote(url);
if (int res = system(cmd.c_str())) {
logger.warning() << "'" << cmd << "' returned code " << res;
} else {
return false;
}
#endif
return true;
}
#endif // _WIN32
void platform::open_folder(const std::filesystem::path& folder) {
if (!std::filesystem::is_directory(folder)) {
logger.warning() << folder << " is not a directory or does not exist";
return;
}
#ifdef __APPLE__
auto cmd = "open " + util::quote(folder.u8string());
if (int res = system(cmd.c_str())) {
logger.warning() << "'" << cmd << "' returned code " << res;
}
#elif defined(_WIN32)
ShellExecuteW(nullptr, L"open", folder.wstring().c_str(), nullptr, nullptr, SW_SHOWDEFAULT);
#else
auto cmd = "xdg-open " + util::quote(folder.u8string());
if (int res = system(cmd.c_str())) {
logger.warning() << "'" << cmd << "' returned code " << res;
}
#endif
}
std::filesystem::path platform::get_executable_path() {
#ifdef _WIN32
wchar_t buffer[MAX_PATH];
DWORD result = GetModuleFileNameW(nullptr, buffer, MAX_PATH);
if (result == 0) {
DWORD error = GetLastError();
throw std::runtime_error("GetModuleFileName failed with code: " + std::to_string(error));
}
int size = WideCharToMultiByte(
CP_UTF8, 0, buffer, -1, nullptr, 0, nullptr, nullptr
);
if (size == 0) {
throw std::runtime_error("could not get executable path");
}
std::string str(size, 0);
size = WideCharToMultiByte(
CP_UTF8, 0, buffer, -1, str.data(), size, nullptr, nullptr
);
if (size == 0) {
DWORD error = GetLastError();
throw std::runtime_error("WideCharToMultiByte failed with code: " + std::to_string(error));
}
str.resize(size - 1);
return std::filesystem::path(str);
#elif defined(__APPLE__)
auto path = platform::internal::get_executable_path();
if (path.empty()) {
throw std::runtime_error("could not get executable path");
}
return path;
#else
char buffer[1024];
ssize_t count = readlink("/proc/self/exe", buffer, sizeof(buffer));
if (count != -1) {
return std::filesystem::canonical(std::filesystem::path(
std::string(buffer, static_cast<size_t>(count))
));
}
throw std::runtime_error("could not get executable path");
#endif
}
void platform::new_engine_instance(const std::vector<std::string>& args) {
auto executable = get_executable_path();
#ifdef _WIN32
std::stringstream ss;
ss << util::quote(executable.u8string());
for (int i = 0; i < args.size(); i++) {
ss << " " << util::quote(args[i]);
}
auto toWString = [](const std::string& src) -> std::wstring {
if (src.empty())
return L"";
int size = MultiByteToWideChar(CP_UTF8, 0, src.c_str(), -1, nullptr, 0);
if (size == 0) {
throw std::runtime_error(
"MultiByteToWideChar failed with code: " +
std::to_string(GetLastError())
);
}
std::vector<wchar_t> buffer(size + 1);
buffer[size] = 0;
size = MultiByteToWideChar(CP_UTF8, 0, src.c_str(), -1, buffer.data(), size);
if (size == 0) {
throw std::runtime_error(
"MultiByteToWideChar failed with code: " +
std::to_string(GetLastError())
);
}
return std::wstring(buffer.data(), size + 1);
};
auto commandString = toWString(ss.str());
STARTUPINFOW si = { sizeof(si) };
PROCESS_INFORMATION pi = { 0 };
DWORD flags = CREATE_NEW_PROCESS_GROUP | DETACHED_PROCESS;
// | CREATE_NO_WINDOW;
BOOL success = CreateProcessW(
nullptr,
commandString.data(),
nullptr,
nullptr,
FALSE,
flags,
nullptr,
nullptr,
&si,
&pi
);
if (success) {
CloseHandle(pi.hProcess);
CloseHandle(pi.hThread);
} else {
throw std::runtime_error(
"starting an engine instance failed with code: " +
std::to_string(GetLastError())
);
}
#else
std::stringstream ss;
ss << executable;
for (int i = 0; i < args.size(); i++) {
ss << " " << util::quote(args[i]);
}
ss << " >/dev/null &";
auto command = ss.str();
if (int res = system(command.c_str())) {
throw std::runtime_error(
"starting an engine instance failed with code: " +
std::to_string(res)
);
}
#endif
}