ULimenSteamOnlineManager

Overview

ULimenSteamOnlineManager is a subsystem that integrates with Steam's matchmaking system to handle lobby creation, joining, and management. It provides a set of functions and delegates to interact with the Steam API, allowing for real-time communication and game server connections within lobbies.

Properties

Type	Name	Access	Description
`FLimenLobbyDelegate`	OnLobbyCreated	Public	Delegate triggered when a lobby is successfully created.
`FLimenLobbyDelegate`	OnLobbyJoined	Public	Delegate triggered when the player joins an existing lobby.
`FLimenLobbyDelegate`	OnLobbyGameServerSet	Public	Delegate triggered when a game server is set for the current lobby.
`FLimenLobbyDelegate`	OnLobbyMemberUpdated	Public	Delegate triggered when a member's status in the lobby changes.
`FLimenLobbyDelegate`	OnMemberDataUpdated	Public	Delegate triggered when member data is updated.
`FLimenLobbyDelegate`	OnMemberAvatarLoaded	Public	Delegate triggered when a member's avatar image is loaded.

Functions

Return Type	Signature	Description
`ELimenLobbyType`	FromSteamLobbyType(ELobbyType Type)	Converts Steam's lobby type to Limen's lobby type.
`ELobbyType`	FromLimenLobbyType(ELimenLobbyType Type)	Converts Limen's lobby type to Steam's lobby type.
`void`	SetLobbyGameServerP2P()	Sets the game server for the current lobby using P2P communication.
`void`	ConnectToGameServer()	Connects the player to the game server set in the current lobby.
`void`	CreateLobby(ELimenLobbyType Type, int32 MaxMembers)	Creates a new lobby with specified type and maximum members.
`void`	LeaveLobby()	Leaves the current lobby.
`bool`	IsInLobby()	Checks if the player is currently in a lobby.
`bool`	IsLobbyHost()	Determines if the player is the host of the current lobby.
`TArray<FLimenOnlineUser>`	GetLobbyParticipants()	Retrieves an array of users currently participating in the lobby.

Usage & Implementation Notes

Threading Constraints: All Steam API calls are made on the game thread due to their blocking nature.
Replication Requirements: None.
Memory Lifetime Management: The subsystem manages memory for textures created from RGBA data, ensuring they are properly released when no longer needed.
Initialization Dependencies: The subsystem depends on SteamAPI being initialized before use.

22 May 2026