Windows 64位下Steam SDK 1.60调用GetSteamID崩溃求助

问题背景 #

在Windows 64位系统中使用Steam API v1.60时，执行以下代码会在GetSteamID调用处崩溃：

if (SteamAPI_InitEx(nullptr)) {
  if (SteamUser()) {
    printf("SteamUser() is valid.\n");
    try {
      CSteamID steamID = SteamUser()->GetSteamID();
      printf("SteamID: %llu\n", steamID.ConvertToUint64());
    } catch (const std::exception &e) {
      printf("Exception occurred: %s\n", e.what());
    }
  } else {
    printf("SteamUser() is nullptr.\n");
  }
  SteamAPI_Shutdown();
} else {
  printf("Failed to initialize Steam API.\n");
}

崩溃现象 #

• 程序输出SteamUser() is valid.，说明SteamUser()返回非空指针，但调用GetSteamID时直接崩溃，无异常抛出
• GDB调试显示崩溃发生在steamclient64.dll的Steam_NotifyMissingInterface函数：

Thread 1 "MainThrd" received signal SIGSEGV, Segmentation fault. 0x00007ffa5a3de225 in steamclient64!Steam_NotifyMissingInterface () from C:\Program Files (x86)\Steam\steamclient64.dll

• 本地steamclient64.dll已更新至最新版本，尝试使用SteamAPI_Init()、SteamAPI_InitFlat()初始化API，结果一致
• Linux系统下完全正常

更新尝试 #

按照建议修改代码后，崩溃情况未改变：

SteamErrMsg errMsg;
if (SteamAPI_InitEx(&errMsg) == k_ESteamAPIInitResult_OK) {
    auto steamUser = SteamUser();
    if (steamUser) {
        LOG_ERROR(logger, "SteamUser() is valid.");
        try {
            CSteamID steamID = steamUser->GetSteamID();
            LOG_ERROR(logger, "SteamID: {}", steamID.ConvertToUint64());
        } catch (const std::exception &e) {
            LOG_ERROR(logger, "Exception occurred: {}", e.what());
        }
    } else {
        LOG_ERROR(logger, "SteamUser() is nullptr.");
    }
    SteamAPI_Shutdown();
} else {
    LOG_ERROR(logger, "Failed to initialize Steam API.");
}

解决方案建议 #

• 确认Steam客户端已登录且为最新版本，尝试重启Steam客户端后再测试
• 检查程序编译配置：确保项目为64位编译，Steam API的头文件、库文件与系统位数完全匹配，禁止混用32位/64位资源
• 验证steam_appid.txt：确保程序运行目录下存在该文件，且内容为正确的游戏AppID，Steam API初始化依赖此文件关联应用
• 检查线程调用：Steam API要求所有接口调用在主线程执行，确保初始化和GetSteamID调用都在主线程
• 替换Steam API文件：重新从Steamworks SDK中提取最新的steam_api64.dll及相关库文件，避免文件损坏或版本不匹配
• 权限排查：尝试以管理员权限运行程序，确保Steam客户端和程序有足够的系统资源访问权限

内容的提问来源于stack exchange，提问作者Nathan