Added start game functionality

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", "join_button", "leave_button", "lobby_id_line_edit", "user_list_box")]
+[node name="Lobby" type="Control" node_paths=PackedStringArray("host_button", "leave_button", "start_button", "user_list_box")]
 layout_mode = 3
 anchors_preset = 15
 anchor_right = 1.0
@@ -12,9 +12,8 @@ grow_horizontal = 2
 grow_vertical = 2
 script = ExtResource("1_o4fbq")
 host_button = NodePath("Panel/HBoxContainer/Buttons/Host")
-join_button = NodePath("Panel/HBoxContainer/Buttons/HBoxContainer/Join")
 leave_button = NodePath("Panel/HBoxContainer/Buttons/Leave")
-lobby_id_line_edit = NodePath("Panel/HBoxContainer/Buttons/HBoxContainer/LineEdit")
+start_button = NodePath("Panel/HBoxContainer/Buttons/Start")
 user_list_box = NodePath("Panel/HBoxContainer/PlayerList")
 user_box_prefab = ExtResource("2_dpthk")
 
@@ -45,23 +44,16 @@ layout_mode = 2
 size_flags_vertical = 4
 text = "Host Lobby"
 
-[node name="HBoxContainer" type="HBoxContainer" parent="Panel/HBoxContainer/Buttons"]
-layout_mode = 2
-
-[node name="LineEdit" type="LineEdit" parent="Panel/HBoxContainer/Buttons/HBoxContainer"]
-layout_mode = 2
-size_flags_horizontal = 3
-
-[node name="Join" type="Button" parent="Panel/HBoxContainer/Buttons/HBoxContainer"]
-custom_minimum_size = Vector2(90, 0)
-layout_mode = 2
-text = "Join"
-
 [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="PlayerList" type="VBoxContainer" parent="Panel/HBoxContainer"]
 layout_mode = 2
 size_flags_horizontal = 3

assets/core/networking/scripts/NetworkManager.gd

@@ -4,6 +4,9 @@ const STEAM_APP_ID: int = 480
 
 const PACKET_READ_LIMIT: int = 32
 
+var level_scene: PackedScene
+var player_scene: PackedScene
+
 var lobby_data
 var lobby_id: int = 0
 var lobby_members: Array = []
@@ -22,7 +25,10 @@ signal user_left_lobby(user_id: int)
 signal host_left_lobby()
 
 
+
 func _ready() -> void:
+	player_scene = load("res://assets/core/player-controller/scenes/player.tscn") as PackedScene
+	level_scene = load("res://assets/core/enviroment/dev-level/dev-level.tscn") as PackedScene
 	_init_steam()
 
 
@@ -250,6 +256,10 @@ func send_p2p_packet(target: int, packet_data: Dictionary) -> void:
 			for this_member in lobby_members:
 				if this_member['steam_id'] != steam_id:
 					Steam.sendP2PPacket(this_member['steam_id'], this_data, send_type, channel)
+					print("Sent packet to %s." % this_member['steam_name'])
+		# Else send it to yourself
+		else:
+			Steam.sendP2PPacket(steam_id, this_data, send_type, channel)
 
 		# Else send it to someone specific
 	else:
@@ -284,6 +294,19 @@ func read_p2p_packet() -> void:
 		# Decompress the array before turning it into a useable dictionary
 		var readable_data: Dictionary = bytes_to_var(packet_code.decompress_dynamic(-1, FileAccess.COMPRESSION_GZIP))
 
+		# Handshake packet
+		if "message" in readable_data and readable_data["message"] == "handshake":
+			if packet_sender != steam_id:
+				print("Received handshake packet from %s." % Steam.getFriendPersonaName(packet_sender))
+		
+		# Start game packet
+		if "message" in readable_data and readable_data["message"] == "start_game":
+			if packet_sender == host_id:
+				print("Received start game packet from host user.")
+				_on_game_started()
+			else:
+				printerr("WARNING: Received start game packet from non-host user.")
+	
 		# Print the packet to output
 		print("Packet: %s" % readable_data)
 
@@ -317,6 +340,18 @@ func get_player_avatar(user_id: int) -> ImageTexture:
 		return avatar_texture_cache[user_id]
 
 
+func start_game():
+	print("Starting game...")
+	var packet_data = {"message":"start_game"}
+	send_p2p_packet(0, packet_data)  # Send to all lobby members
 	
 
+func _on_game_started():
+	print("Game started.")
+	var level: Node = level_scene.instantiate()
+	get_tree().root.add_child(level)
 	
+	for member in lobby_members:
+		var player: Node = player_scene.instantiate()
+		level.add_child(player)
+		player.name = "Player_" + str(member["steam_id"])

assets/core/networking/scripts/lobby.gd

@@ -1,9 +1,8 @@
 extends Control
 
 @export var host_button: Button
-@export var join_button: Button
 @export var leave_button: Button
-@export var lobby_id_line_edit: LineEdit
+@export var start_button: Button
 @export var user_list_box: VBoxContainer
 @export var user_box_prefab: PackedScene
 
@@ -12,8 +11,8 @@ var added_users = []
 
 func _ready() -> void:
 	host_button.pressed.connect(_on_host)
-	join_button.pressed.connect(_on_join)
 	leave_button.pressed.connect(_on_leave)
+	start_button.pressed.connect(_on_start)
 
 	NetworkManager.lobby_created.connect(_on_lobby_created)
 	NetworkManager.lobby_joined.connect(_on_lobby_joined)
@@ -27,10 +26,6 @@ func _on_host():
 	NetworkManager.host_lobby()
 
 
-func _on_join():
-	NetworkManager.join_lobby(int(lobby_id_line_edit.text))
-
-
 func _on_leave():
 	NetworkManager.leave_lobby()
 	added_users.clear()
@@ -40,18 +35,14 @@ func _on_leave():
 
 func _on_lobby_created(lobby_id: int):
 	print("Lobby created")
-	lobby_id_line_edit.text = str(NetworkManager.lobby_id)
 	host_button.disabled = true
-	join_button.disabled = true
 	leave_button.disabled = false
-	lobby_id_line_edit.editable = false
+	start_button.disabled = false
 
 
 func _on_lobby_joined(lobby_id: int):
 	host_button.disabled = true
-	join_button.disabled = true
 	leave_button.disabled = false
-	lobby_id_line_edit.editable = false
 
 
 func _on_user_joined_lobby(user_id: int):
@@ -67,6 +58,15 @@ func _on_user_left_lobby(user_id: int):
 	update()
 
 	
+func _on_start():
+	NetworkManager.start_game()
+	visible = false
+
+
+func _on_game_started():
+	visible = false
+
+	
 func update() -> void:
 	for child in user_list_box.get_children():
 		child.queue_free()