Add private multiplayer room codes

online_manager.gd

@@ -9,6 +9,7 @@ signal matchmaking_state_changed(state: String)
 signal match_found(match_data)
 signal match_snapshot_received(snapshot: Dictionary)
 signal match_event_received(event: Dictionary)
+signal private_room_created(room_code: String)
 
 const SERVER_KEY := "voidbastion-public-v1"
 const PRODUCTION_HOST := "api.void-bastion.gergames.de"
@@ -30,6 +31,7 @@ var last_error := ""
 var current_host := ""
 var current_match = null
 var matchmaker_ticket := ""
+var private_room_code := ""
 var account_manager: AccountManager
 var auto_connect_enabled := true
 
@@ -102,6 +104,7 @@ func disconnect_from_server() -> void:
 	session = null
 	current_match = null
 	matchmaker_ticket = ""
+	private_room_code = ""
 	_set_connection_state("offline")
 
 
@@ -178,9 +181,62 @@ func cancel_matchmaking() -> void:
 	if socket and not matchmaker_ticket.is_empty():
 		await socket.remove_matchmaker_async(matchmaker_ticket)
 	matchmaker_ticket = ""
+	if current_match != null and not private_room_code.is_empty():
+		await socket.leave_match_async(current_match.match_id)
+		current_match = null
+	private_room_code = ""
 	matchmaking_state_changed.emit("idle")
 
 
+func create_private_room(difficulty := 1) -> bool:
+	if not is_online() or socket == null:
+		matchmaking_state_changed.emit("offline")
+		return false
+	matchmaking_state_changed.emit("creating_room")
+	var result = await client.rpc_async(session, "create_private_room", JSON.stringify({"difficulty": clampi(difficulty, 0, 2)}))
+	var data := _parse_rpc_result(result)
+	var match_id := String(data.get("match_id", ""))
+	private_room_code = String(data.get("room_code", ""))
+	if match_id.is_empty() or private_room_code.length() != 6:
+		private_room_code = ""
+		matchmaking_state_changed.emit("error")
+		return false
+	current_match = await socket.join_match_async(match_id)
+	if current_match == null or current_match.is_exception():
+		current_match = null
+		private_room_code = ""
+		matchmaking_state_changed.emit("error")
+		return false
+	private_room_created.emit(private_room_code)
+	matchmaking_state_changed.emit("hosting")
+	await send_match_command(OP_READY, {})
+	return true
+
+
+func join_private_room(room_code: String) -> bool:
+	if not is_online() or socket == null:
+		matchmaking_state_changed.emit("offline")
+		return false
+	private_room_code = room_code.to_upper().strip_edges()
+	matchmaking_state_changed.emit("joining_room")
+	var result = await client.rpc_async(session, "join_private_room", JSON.stringify({"room_code": private_room_code}))
+	var data := _parse_rpc_result(result)
+	var match_id := String(data.get("match_id", ""))
+	if not bool(data.get("found", false)) or match_id.is_empty():
+		private_room_code = ""
+		matchmaking_state_changed.emit("room_not_found")
+		return false
+	current_match = await socket.join_match_async(match_id)
+	if current_match == null or current_match.is_exception():
+		current_match = null
+		private_room_code = ""
+		matchmaking_state_changed.emit("room_not_found")
+		return false
+	matchmaking_state_changed.emit("matched")
+	await send_match_command(OP_READY, {})
+	return true
+
+
 func _on_matchmaker_matched(matched) -> void:
 	matchmaker_ticket = ""
 	current_match = await socket.join_matched_async(matched)
@@ -219,6 +275,7 @@ func leave_current_match() -> void:
 	if socket and current_match != null:
 		await socket.leave_match_async(current_match.match_id)
 	current_match = null
+	private_room_code = ""
 
 
 func _on_match_state(data) -> void: