To tell UE to use Online Subsystem Steam, add the following setting: NetDriverDefinitions describes the net drivers available to UE with the following properties being defined:ĭefName is the unique name of this net driver definition.ĭriverClassName is the class name of the primary net driver.ĭriverClassNameFallBack is the class name of the fallback net driver if the primary net driver class fails to initialize.

+NetDriverDefinitions=(DefName='GameNetDriver',DriverClassName='OnlineSubsystemSteam.SteamNetDriver',DriverClassNameFallback='OnlineSubsystemUtils.IpNetDriver') Open your project's DefaultEngine.ini file and add the following setting: Now that you've set up the Steamworks SDK for your application (along with setting up the Steam App ID), you're ready to configure your application's settings to use Online Subsystem Steam. If you're creating a new project using the Unreal Project Browser, Online Subsystem settings shouldn't exist in DefaultEngine.ini however, if you're modifying one of our Sample Projects, the Online Subsystem settings might already exist. This makes it unnecessary to launch the game using the Steam client (although it must be running). If you open steam_appid.txt, you'll see a SteamDevAppId entry, which is a field that hints your application's ID to Steam. It's important to note that steam_appid.txt must be located in the same directory as your application's executable file because Steam will look for the text file in the current working directory.Īdditionally, the file should not be included in any Steam images. Redistibutable_bin/linu圆4/libsteam_api.soĪll games using the Steam Online Subsystem must have a valid application ID because the Steamworks API won't initialize if it doesn't know your application's Steam App ID.īefore initializing Steam, UE will generate steam_appid.txt (during a graceful shutdown of the engine, UE deletes this file). YourUnrealEnginePath/Engine/Binaries/ThirdParty/Steamworks/Steam/x86_64-unknown-linux-gnu/libsteam_api.so YourUnrealEnginePath/Engine/Binaries/ThirdParty/Steamworks/Steam/i686-unknown-linux-gnu/libsteam_api.so Linux users must link and ship the following files alongside the executable.

Steam appid txt download