Adding lobby list

assets/core/networking/scenes/lobby.tscn

@@ -3,7 +3,7 @@
 [ext_resource type="Script" path="res://assets/core/networking/scripts/lobby.gd" id="1_o4fbq"]
 [ext_resource type="PackedScene" uid="uid://biryul3n6thlw" path="res://assets/core/networking/scenes/user_box_prefab.tscn" id="2_dpthk"]
 
-[node name="Lobby" type="Control" node_paths=PackedStringArray("host_button", "leave_button", "start_button", "user_list_box")]
+[node name="Lobby" type="Control" node_paths=PackedStringArray("host_button", "leave_button", "start_button", "show_lobbies_button", "user_list_box", "lobby_list_box")]
 layout_mode = 3
 anchors_preset = 15
 anchor_right = 1.0
@@ -14,7 +14,9 @@ script = ExtResource("1_o4fbq")
 host_button = NodePath("Panel/HBoxContainer/Buttons/Host")
 leave_button = NodePath("Panel/HBoxContainer/Buttons/Leave")
 start_button = NodePath("Panel/HBoxContainer/Buttons/Start")
+show_lobbies_button = NodePath("Panel/HBoxContainer/Buttons/ShowLobbies")
 user_list_box = NodePath("Panel/HBoxContainer/PlayerList")
+lobby_list_box = NodePath("Panel/HBoxContainer/LobbyList")
 user_box_prefab = ExtResource("2_dpthk")
 
 [node name="Panel" type="Panel" parent="."]
@@ -44,16 +46,25 @@ layout_mode = 2
 size_flags_vertical = 4
 text = "Host Lobby"
 
-[node name="Leave" type="Button" parent="Panel/HBoxContainer/Buttons"]
-layout_mode = 2
-disabled = true
-text = "Leave Lobby"
-
 [node name="Start" type="Button" parent="Panel/HBoxContainer/Buttons"]
 layout_mode = 2
 disabled = true
 text = "Start"
 
+[node name="ShowLobbies" type="Button" parent="Panel/HBoxContainer/Buttons"]
+layout_mode = 2
+text = "Show Lobbies"
+
+[node name="Leave" type="Button" parent="Panel/HBoxContainer/Buttons"]
+layout_mode = 2
+disabled = true
+text = "Leave Lobby"
+
 [node name="PlayerList" type="VBoxContainer" parent="Panel/HBoxContainer"]
+visible = false
 layout_mode = 2
 size_flags_horizontal = 3
+
+[node name="LobbyList" type="VBoxContainer" parent="Panel/HBoxContainer"]
+visible = false
+layout_mode = 2

assets/core/networking/scripts/NetworkManager.gd

@@ -28,6 +28,7 @@ signal user_joined_lobby(user_id: int)
 signal user_left_lobby(user_id: int)
 signal host_left_lobby()
 signal on_game_started()
+signal on_lobbies_received(these_lobbies: Array)
 
 signal property_update_received(node_id: int, property_name: String, value: Variant)
 
@@ -143,8 +144,8 @@ func _on_lobby_joined(this_lobby_id: int, _permissions: int, _locked: bool, resp
 		print("Failed to join this chat room: %s" % fail_reason)
 		
 	
-func _on_lobby_match_list():
-	pass
+func _on_lobby_match_list(these_lobbies: Array) -> void:
+	on_lobbies_received.emit(these_lobbies)
 	
 	
 func _on_lobby_message():
@@ -224,6 +225,12 @@ func leave_lobby():
 	lobby_members.clear()
 	print("Left lobby.")
 	
+	
+
+func get_lobbies():
+	Steam.addRequestLobbyListDistanceFilter(Steam.LOBBY_DISTANCE_FILTER_WORLDWIDE)
+	Steam.requestLobbyList()
+
 
 func get_lobby_members():
 	lobby_members.clear()

assets/core/networking/scripts/lobby.gd

@@ -3,7 +3,9 @@ extends Control
 @export var host_button: Button
 @export var leave_button: Button
 @export var start_button: Button
+@export var show_lobbies_button: Button
 @export var user_list_box: VBoxContainer
+@export var lobby_list_box: VBoxContainer
 @export var user_box_prefab: PackedScene
 
 var added_users = []
@@ -19,8 +21,9 @@ func _ready() -> void:
 	NetworkManager.user_joined_lobby.connect(_on_user_joined_lobby)
 	NetworkManager.user_left_lobby.connect(_on_user_left_lobby)
 	NetworkManager.on_game_started.connect(_on_game_started)
+	NetworkManager.lobbies_received.connect(_on_lobbies_received)
 	
-	GameConsole.register_command(Command.new("update", update, [], "Updates the lobby UI"))
+	GameConsole.register_command(Command.new("update", update_ui, [], "Updates the lobby UI"))
 
 
 func _on_host():
@@ -29,9 +32,32 @@ func _on_host():
 
 func _on_leave():
 	NetworkManager.leave_lobby()
-	added_users.clear()
-	for child in user_list_box.get_children():
-		child.queue_free()
+	reset_ui()
+
+
+func _on_show_lobbies():
+	NetworkManager.get_lobbies()
+	
+	
+func _on_lobbies_received(these_lobbies: Array):
+	lobby_list_box.visible = true
+	for this_lobby in these_lobbies:
+		# Pull lobby data from Steam, these are specific to our example
+		var lobby_name: String = Steam.getLobbyData(this_lobby, "name")
+		var lobby_mode: String = Steam.getLobbyData(this_lobby, "mode")
+
+		# Get the current number of members
+		var lobby_num_members: int = Steam.getNumLobbyMembers(this_lobby)
+
+		# Create a button for the lobby
+		var lobby_button: Button = Button.new()
+		lobby_button.set_text("Lobby %s: %s [%s] - %s Player(s)" % [this_lobby, lobby_name, lobby_mode, lobby_num_members])
+		lobby_button.set_size(Vector2(800, 50))
+		lobby_button.set_name("lobby_%s" % this_lobby)
+		lobby_button.connect("pressed", Callable(self, "join_lobby").bind(this_lobby))
+
+		# Add the new lobby to the list
+		lobby_list_box.add_child(lobby_button)
 
 
 func _on_lobby_created(lobby_id: int):
@@ -39,23 +65,26 @@ func _on_lobby_created(lobby_id: int):
 	host_button.disabled = true
 	leave_button.disabled = false
 	start_button.disabled = false
+	user_list_box.visible = true
 
 
 func _on_lobby_joined(lobby_id: int):
 	host_button.disabled = true
 	leave_button.disabled = false
+	user_list_box.visible = true
+	lobby_list_box.visible = false
 
 
 func _on_user_joined_lobby(user_id: int):
 	if user_id in added_users:
 		return  # User already added, skip
 	added_users.append(user_id)
-	update()
+	update_ui()
 
 
 func _on_user_left_lobby(user_id: int):
 	added_users.erase(user_id)
-	update()
+	update_ui()
 
 	
 func _on_start():
@@ -67,7 +96,21 @@ func _on_game_started():
 	visible = false
 
 	
-func update() -> void:
+func reset_ui():
+	host_button.disabled = false
+	leave_button.disabled = true
+	start_button.disabled = true
+	user_list_box.visible = false
+	lobby_list_box.visible = false
+	added_users.clear()
+	for child in user_list_box.get_children():
+		child.queue_free()
+		
+	for child in lobby_list_box.get_children():
+		child.queue_free()
+
+
+func update_ui() -> void:
 	for child in user_list_box.get_children():
 		child.queue_free()