Created a scene manager

addons/godot_steam_sync/Lobby/lobby.gd

@@ -255,6 +255,5 @@ func _on_start_btn_pressed():
 	if NetworkManager.STEAM_ID == Steam.getLobbyOwner(NetworkManager.LOBBY_ID):
 		var result = NetworkManager.IS_READY.values().all(func(number): return number == true)
 		if result:
-			pass
+			SceneManager.change_scene("res://godotsteam_sync_example/Test.tscn")
-			#SceneManager.change_scene("res://godotsteam_sync_example/Test.tscn")
 			

addons/godot_steam_sync/Lobby/lobby_menu.tscn

@@ -77,10 +77,9 @@ scroll_smooth = true
 [node name="LobbyVisibilityBtn" type="OptionButton" parent="CreateLobbyCont"]
 custom_minimum_size = Vector2(300, 35)
 layout_mode = 2
-item_count = 4
 selected = 2
+item_count = 4
 popup/item_0/text = "PRIVATE"
-popup/item_0/id = 0
 popup/item_1/text = "FRIENDS ONLY"
 popup/item_1/id = 1
 popup/item_2/text = "PUBLIC"
@@ -91,10 +90,9 @@ popup/item_3/id = 3
 [node name="MaxMembersBtn" type="OptionButton" parent="CreateLobbyCont"]
 custom_minimum_size = Vector2(300, 35)
 layout_mode = 2
-item_count = 4
 selected = 1
+item_count = 4
 popup/item_0/text = "2"
-popup/item_0/id = 0
 popup/item_1/text = "4"
 popup/item_1/id = 1
 popup/item_2/text = "8"

addons/godot_steam_sync/Network/RadomeSteamSync/NetworkManager.gd

@@ -13,7 +13,7 @@ var LOBBY_MAX_MEMBERS: int = 4
 var GAME_STARTED : bool = false
 var IS_READY : Dictionary = {}
 
-enum TYPES {START,READY,START_SCENE,TRANFORM_SYNC,PROPERTY,EVENT,RIGIDBODY_SYNC,SCENE_LOADED,COMMAND,VOICE,RAGDOLL}
+enum TYPES {START,READY,START_SCENE,TRANFORM_SYNC,PROPERTY,EVENT,RIGIDBODY_SYNC,SCENE_LOADED,COMMAND,VOICE,RAGDOLL,CHANGE_SCENE}
 
 @onready var player = preload("res://godotsteam_sync_example/fpc/character.tscn")
 

addons/godot_steam_sync/Network/RadomeSteamSync/P2P.gd

@@ -10,7 +10,6 @@ func _process(_delta: float) -> void:
 			
 func _read_P2P_Packet() -> void:
 	var packet_size0 : int = Steam.getAvailableP2PPacketSize(0)
-
 	
 	#region Channel0
 	if packet_size0 > 0:
@@ -42,6 +41,8 @@ func _read_All_P2P_Packets(read_count: int = 0) -> void:
 		_read_P2P_Packet()
 		_read_All_P2P_Packets(read_count + 1)
 var packet_size : float
+
+
 func _send_P2P_Packet(channel: int,target: int, packet_data: Dictionary,send_type: int) -> bool:
 	# Create a data array to send the data through
 	var this_data: PackedByteArray
@@ -61,6 +62,8 @@ func _send_P2P_Packet(channel: int,target: int, packet_data: Dictionary,send_typ
 	else:
 		return Steam.sendP2PPacket(target, this_data, send_type, channel)
 	return false
+	
+	
 func handle_start_packet(READABLE):
 	# This packet reading when someone ready
 	if READABLE["TYPE"] == NetworkManager.TYPES.READY:
@@ -108,7 +111,6 @@ func handle_property_packets(READABLE):
 		else:
 			var DATA :Array = [READABLE["property"],READABLE["value"]]
 			get_tree().root.get_node(READABLE["node_path"]).DATA = DATA
-	## 
 	
 	
 func handle_voice(READABLE):
@@ -116,6 +118,12 @@ func handle_voice(READABLE):
 		get_tree().root.get_node(READABLE["node_path"]).process_voice_data(READABLE["voice_data"])
 		#await get_tree().create_timer(0.1).timeout
 
+
+func handle_scene_change(READABLE):
+	if READABLE["TYPE"] == NetworkManager.TYPES.CHANGE_SCENE:
+		get_tree().change_scene_to_file(READABLE["scene"])
+
+		
 func handle_packets(READABLE):
 	handle_start_packet(READABLE)
 	handle_event_packets(READABLE)

assets/core/networking/scripts/SceneManager.gd

@@ -0,0 +1,7 @@
+extends Node
+
+func change_scene(path: String):
+	var packet: Dictionary = {'TYPE': NetworkManager.TYPES.CHANGE_SCENE,'scene': path}
+	P2P._send_P2P_Packet(0, 0, packet, Steam.P2P_SEND_RELIABLE)
+	get_tree().change_scene_to_file(path)
+	

project.godot

@@ -11,6 +11,7 @@ config_version=5
 [application]
 
 config/name="Steamforged Skies"
+run/main_scene="res://addons/godot_steam_sync/Lobby/main_menu.tscn"
 config/features=PackedStringArray("4.3", "Forward Plus")
 config/icon="res://assets/icon.png"
 
@@ -19,6 +20,7 @@ config/icon="res://assets/icon.png"
 GameConsole="*res://addons/ingameconsole/GameConsole.tscn"
 NetworkManager="*res://addons/godot_steam_sync/Network/RadomeSteamSync/NetworkManager.gd"
 P2P="*res://addons/godot_steam_sync/Network/RadomeSteamSync/P2P.gd"
+SceneManager="*res://assets/core/networking/scripts/SceneManager.gd"
 
 [debug]