Function FindGameInstallPath

src/common/local_storage.cpp:574–593

}

static std::string FindGameInstallPath(const std::string& steamPath, uint32_t appId) {
    for (const auto& libPath : GetSteamLibraryPaths(steamPath)) {
        auto manifestPath = libPath / "steamapps" / ("appmanifest_" + std::to_string(appId) + ".acf");
        std::ifstream mf(manifestPath);
        if (!mf) continue;

        std::string line;
        while (std::getline(mf, line)) {
            auto pos = line.find("\"installdir\"");
            if (pos == std::string::npos) continue;
            auto q1 = line.rfind('"');
            auto q2 = q1 == std::string::npos ? std::string::npos : line.rfind('"', q1 - 1);
            if (q1 != std::string::npos && q2 != std::string::npos && q1 > q2) {
                auto installDir = line.substr(q2 + 1, q1 - q2 - 1);
                return FileUtil::PathToUtf8(libPath / "steamapps" / "common" / FileUtil::Utf8ToPath(installDir));
            }
        }
    }
    return {};
}

bool IsAppInstalled(const std::string& steamPath, uint32_t appId) {
    return AutoCloudScan::IsAppInstalled(steamPath, appId);