What is the SteamCore Plugin?

The SteamCore Plugin is a Steam API Plugin that enables you to utilize Steamworks for your Unreal Engine 4 Games

Official Documentation
https://partner.steamgames.com/doc/api
Overview
https://partner.steamgames.com/doc/sdk/api

EXAMPLES & LINKS

• Authenticating Users
• Dedicated Server
• Finding & Joining Multiplayer Games
• Filtering games using Tags
• Filtering server list
• Pinging Steam Lobbies and Servers
• Microtransactions
• SteamCore::Apps
• SteamCore::Inventory
• SteamCore::Friends
• SteamCore::Matchmaking
• SteamCore::UserStats
• SteamCore::User

PURCHASE

• The SteamCore plugin can be purchased from the Unreal Engine 4 Marketplace: https://www.unrealengine.com/marketplace/en-US/product/steamcore

VIDEO DEMONSTRATION

GETTING STARTED

EXAMPLE PROJECT

SETTINGS

• ForceGameThreadExecution
  Should we force delegate exeuctions on the game thread?
  This is required if we are binding delegates in UMG widgets since they have to be called on game thread or slate thread.
• Enabled
  Enable / Disable Steam
• bRelaunchInSteam
  Should the game force a relaunch in Steam if the client isn’t already loaded
• bVACEnabled
  Enable Steam VAC
• bAllowP2PPacketRelay
  Should Steam P2P sockets all fall back to Steam servers relay if a direct connection fails
• P2PConnectionTimeout
  Timeout (in seconds) period for any P2P session
• SteamAppID
  AppID of your application
• SteamDevAppID
  SteamDevAppID of your application
• Port
  Steam Server Port
• GameServerQueryPort
  Steam Server Query Port
• GameVersion
  Current game version

ADDITIONAL STEAM SETTINGS

DefaultEngine.ini

Open your Projects DefaultEngine.ini located in \ProjectDir\Config\DefaultEngine.ini, paste the code (or parts of it) shown below and customize to your needs.

MAKE SURE you don’t already have these settings in your Config file before copy-pasting.

[URL]
GameName=YourGameName
Port=7777

[OnlineSubsystem]
DefaultPlatformService=Steam

[OnlineSubsystemSteam]
bEnabled=True
SteamDevAppId=480
bVACEnabled=True
SteamAppId=480

[/Script/OnlineSubsystemUtils.IpNetDriver]
MaxClientRate=1000000000 
MaxInternetClientRate=1000000000
InitialConnectTimeout=120.0 

[/Script/Engine.Engine]
!NetDriverDefinitions=ClearArray
+NetDriverDefinitions=(DefName="GameNetDriver",DriverClassName="OnlineSubsystemSteam.SteamNetDriver",DriverClassNameFallback="OnlineSubsystemUtils.IpNetDriver")

[/Script/OnlineSubsystemSteam.SteamNetDriver]
NetConnectionClassName="OnlineSubsystemSteam.SteamNetConnection"