geode/loader/launcher/windows/Updater.cpp
ConfiG b47870e7e9
new proxy loader
- remove bootstrapper dll
- add updater exe
- remove createthread/loadlibrary calls
  - and link instead to let windows load it
- needs mac port probably?
2023-06-09 15:39:35 +03:00

79 lines
2.3 KiB
C++

#include <Windows.h>
#include <iostream>
#include <array>
#include <ghc/filesystem.hpp>
void showError(std::string const& error) {
MessageBoxA(nullptr, error.c_str(), "Error Loading Geode", MB_ICONERROR);
}
int main(int argc, char* argv[]) {
std::array<WCHAR, MAX_PATH> szFileName;
GetModuleFileNameW(NULL, szFileName.data(), MAX_PATH);
const ghc::filesystem::path path(szFileName.data());
auto workingDir = path.parent_path();
auto updatesDir = workingDir / "geode" / "update";
auto resourcesDir = workingDir / "geode" / "resources";
// wait for geode.dll to be writable
int delay = 10;
HANDLE hFile;
while ((hFile = CreateFile((workingDir / "Geode.dll").string().c_str(), FILE_GENERIC_WRITE, FILE_SHARE_WRITE, NULL, OPEN_EXISTING, 0, NULL)) == INVALID_HANDLE_VALUE) {
if (GetLastError() == ERROR_SHARING_VIOLATION) {
Sleep(delay);
if (delay < 5120)
delay *= 2;
}
else
break;
}
if (hFile)
CloseHandle(hFile);
else {
showError("Unable to update Geode: Geode.dll is open by another process.");
return 1;
}
auto error = std::error_code();
if (ghc::filesystem::exists(updatesDir / "Geode.dll", error) && !error) {
ghc::filesystem::rename(updatesDir / "Geode.dll", workingDir / "Geode.dll", error);
if (error) {
showError("Unable to update Geode: Unable to move Geode.dll - " + error.message());
return error.value();
}
}
if (ghc::filesystem::exists(updatesDir / "XInput9_1_0.dll", error) && !error) {
ghc::filesystem::rename(updatesDir / "XInput9_1_0.dll", workingDir / "XInput9_1_0.dll", error);
if (error) {
showError("Unable to update Geode: Unable to move XInput9_1_0.dll - " + error.message());
return error.value();
}
}
if (ghc::filesystem::exists(updatesDir / "resources", error) && !error) {
ghc::filesystem::remove_all(resourcesDir / "geode.loader", error);
if (error) {
showError("Unable to update Geode resources: " + error.message());
} else {
ghc::filesystem::rename(
updatesDir / "resources",
resourcesDir / "geode.loader", error
);
if (error) {
showError("Unable to update Geode resources: " + error.message());
}
}
}
if(argc < 2)
return 0;
// restart gd using the provided path
ShellExecute(NULL, "open", (workingDir / argv[1]).string().c_str(), "", workingDir.string().c_str(), TRUE);
return 0;
}