Steamworks检查用户是否登录 [英] Steamworks checking if a user is logged in

问题描述

所以我一直用来获取用户的Steam ID的代码是：

So the code that I've been using to get a user's Steam ID is:

CSteamID uid = SteamUser()->GetSteamID();
uint64 pid = uid.ConvertToUint64();
std::ostringstream sin;
sin << pid;
std::string s = sin.str();
return s.c_str();

这种方法很好，但是当用户没有登录Steam时， >

This works just fine, but when a user is not logged into Steam, this crashes.

访问违规 - 代码c0000005（第一/第二次机会不可用）

Access violation - code c0000005 (first/second chance not available)

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Steam是否提供了一个函数，可以用来检查用户是否在运行依赖于登录用户的代码之前登录？或者是有一些try / catch块我可以在这里使用，以确保这不会破坏，如果用户没有登录返回false。

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Does Steam provide a function that I can use to check if the user is logged in before running code that depends on the user being logged in? Or is there some sort of try/catch block I can use here to make sure that this does not break and return false if the user is not logged in?

推荐答案

感谢 @Lightning Racis in Orbit 。一个简单的nullptr检查固定它。

Thanks to @Lightning Racis in Orbit. A simple nullptr check fixed it.

if(SteamUser() == nullptr)
    return false;

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