Steam Api Register Call Result
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Steam API Register Call Result: A Guide for Developers and Gamers
Steam is a popular platform for gaming and entertainment that offers various features and services for developers and gamers. One of these features is the Steam API, which allows developers to access Steam's functionality and integrate it with their games and applications. The Steam API provides many interfaces, functions, callbacks, and types that cover different aspects of Steam, such as achievements, leaderboards, matchmaking, networking, user stats, etc.
In this article, we will focus on one of the core concepts of the Steam API: the register call result. We will explain what it is, how it works, and how to use it in your code. We will also show you some examples of register call result in action.
What is Steam API Register Call Result?
Steam API register call result is a mechanism that allows you to handle asynchronous operations in the Steam API. Asynchronous operations are operations that do not return a result immediately, but rather run in the background and notify you when they are done. For example, when you request a list of friends from Steam, you do not get the list right away, but rather wait for Steam to fetch it from the server and send it back to you.
To handle asynchronous operations in the Steam API, you need to use callbacks. Callbacks are functions that are called when an asynchronous operation completes or fails. You can register a callback function for each type of asynchronous operation that you want to handle. For example, if you want to handle the result of requesting a list of friends, you need to register a callback function for the FriendsGetFriendsList_t type.
However, registering a callback function is not enough. You also need to tell Steam which instance of the asynchronous operation you want to handle with your callback function. For example, if you request a list of friends multiple times, you need to specify which request you want to handle with your callback function. Otherwise, your callback function will be called for every request that completes or fails.
This is where register call result comes in. Register call result is a function that associates a callback function with a specific instance of an asynchronous operation. It takes two parameters: a handle and a pointer. The handle is a unique identifier for the instance of the asynchronous operation that you want to handle. The pointer is a pointer to your callback function.
When you call an asynchronous function in the Steam API, it returns a handle that identifies that instance of the operation. You can then use this handle to register a call result with your callback function. This way, your callback function will only be called when that specific instance of the operation completes or fails.
How to Use Steam API Register Call Result?
To use register call result in your code, you need to follow these steps:
Include the steam_api.h header file in your source file.
Initialize the Steam API by calling SteamAPI_Init().
Declare and define your callback function for the type of asynchronous operation that you want to handle.
Call an asynchronous function in the Steam API and store its return value as a handle.
Call register call result with the handle and a pointer to your callback function.
Call SteamAPI_RunCallbacks() periodically to process any pending callbacks.
Clean up the Steam API by calling SteamAPI_Shutdown().
Examples of Steam API Register Call Result
Here are some examples of register call result in action:
Example 1: Requesting a List of Friends
In this example, we will request a list of friends from Steam and print their names and online statuses.
// Declare our callback function for FriendsGetFriendsList_t
void OnFriendsListReceived(FriendsGetFriendsList_t *pCallback)
// Check if the request was successful
if (pCallback->m_eResult == k_EResultOK)
// Get the number of friends
int numFriends = pCallback->m_nFriends;