Add private multiplayer room codes

multiplayer_manager.gd

@@ -12,6 +12,7 @@ const COOP_REACTOR_LIVES := 30
 var matchmaking_state := "idle"
 var matchmaking_mode := ""
 var matchmaking_difficulty := 1
+var private_room_code := ""
 var online_match = null
 var online_mode := false
 var player_slot := -1
@@ -26,6 +27,7 @@ func reset_coop_session(start_credits := COOP_START_CREDITS, reactor_lives := CO
 	online_mode = false
 	player_slot = -1
 	latest_snapshot = {}
+	private_room_code = ""
 
 
 func spend_player_credits(player_index: int, amount: int) -> bool:
@@ -76,11 +78,37 @@ func begin_search(mode := "quick", difficulty := 1) -> void:
 	call_deferred("_begin_online_search", mode)
 
 
+func create_private_room(difficulty := 1) -> void:
+	matchmaking_mode = "private_host"
+	matchmaking_difficulty = clampi(difficulty, 0, 2)
+	private_room_code = ""
+	online_match = null
+	online_mode = false
+	player_slot = -1
+	latest_snapshot = {}
+	matchmaking_state = "waiting_for_service"
+	state_changed.emit(matchmaking_state)
+	call_deferred("_create_private_room_online")
+
+
+func join_private_room(room_code: String) -> void:
+	matchmaking_mode = "private_join"
+	private_room_code = room_code.to_upper().strip_edges()
+	online_match = null
+	online_mode = false
+	player_slot = -1
+	latest_snapshot = {}
+	matchmaking_state = "waiting_for_service"
+	state_changed.emit(matchmaking_state)
+	call_deferred("_join_private_room_online")
+
+
 func cancel_search() -> void:
 	var online_manager = get_parent().get_node_or_null("OnlineManager")
 	if online_manager:
 		online_manager.cancel_matchmaking()
 	matchmaking_mode = ""
+	private_room_code = ""
 	matchmaking_state = "idle"
 	state_changed.emit(matchmaking_state)
 
@@ -102,10 +130,43 @@ func _begin_online_search(mode: String) -> void:
 	state_changed.emit(matchmaking_state)
 
 
+func _ensure_online_manager():
+	var online_manager = get_parent().get_node_or_null("OnlineManager")
+	if not online_manager:
+		matchmaking_state = "offline"
+		state_changed.emit(matchmaking_state)
+		return null
+	if not online_manager.is_authenticated():
+		await online_manager.connect_and_authenticate()
+	return online_manager
+
+
+func _create_private_room_online() -> void:
+	var online_manager = await _ensure_online_manager()
+	if not online_manager or matchmaking_mode != "private_host":
+		return
+	var created: bool = await online_manager.create_private_room(matchmaking_difficulty)
+	private_room_code = online_manager.private_room_code if created else ""
+	matchmaking_state = "hosting" if created else online_manager.connection_state
+	state_changed.emit(matchmaking_state)
+
+
+func _join_private_room_online() -> void:
+	var online_manager = await _ensure_online_manager()
+	if not online_manager or matchmaking_mode != "private_join":
+		return
+	var joined: bool = await online_manager.join_private_room(private_room_code)
+	matchmaking_state = "matched" if joined else "room_not_found"
+	state_changed.emit(matchmaking_state)
+
+
 func _on_online_matchmaking_state_changed(value: String) -> void:
 	if matchmaking_state == "idle":
 		return
 	matchmaking_state = value
+	var online_manager = get_parent().get_node_or_null("OnlineManager")
+	if online_manager and not online_manager.private_room_code.is_empty():
+		private_room_code = online_manager.private_room_code
 	state_changed.emit(matchmaking_state)