Initial commit

script/multiplayer.gd

@@ -0,0 +1,122 @@
+extends Node
+
+signal noray_connected
+signal player_ready(id : int)
+const NORAY_ADDRESS = "tomfol.io"
+const NORAY_PORT = 8890
+
+var is_host = false
+var external_oid = ""
+var debug = false
+
+var playerDict: Dictionary[int,PlayerCharacter]
+var alivePlayerDict: Dictionary[int,PlayerCharacter]
+var currentMapLogic: MapLogic
+
+@onready var errordialog = $/root/Main/Dialogs/ErrorDialog
+@onready var start_btn : Button = $/root/Main/Mainmenu/Menu/MarginContainer/VBoxContainer/HBoxContainer4/VBoxContainer3/Start
+@onready var main : Main = $/root/Main
+func _ready():
+	Noray.on_connect_to_host.connect(on_noray_connected)
+	Noray.on_connect_nat.connect(handle_nat_connection)
+	#Noray.on_connect_relay.connect(handle_relay_connection)
+	
+	Noray.connect_to_host(NORAY_ADDRESS, NORAY_PORT)
+	player_ready.connect(peer_connected)
+	multiplayer.peer_disconnected.connect(peer_disconnected)
+func getCurrentMapLogic() -> MapLogic:
+	return currentMapLogic
+func setCurrentMapLogic(toMap: MapLogic) -> void:
+	currentMapLogic = toMap
+
+func peer_connected(id: int) -> void:
+	if !get_node("/root/Main/Players").get_child_count(): return
+	
+	playerDict.set(id,get_node("/root/Main/Players/" + str(id)))
+	alivePlayerDict.set(id,get_node("/root/Main/Players/" + str(id)))
+	if !playerDict.get(id): playerDict.erase(id)
+	if !alivePlayerDict.get(id): alivePlayerDict.erase(id)
+
+func peer_disconnected(id: int) -> void:
+	playerDict.erase(id)
+	alivePlayerDict.erase(id)
+
+
+func on_noray_connected():
+	print("Connected to Noray server")
+	
+	Noray.register_host()
+	await Noray.on_pid
+	await Noray.register_remote()
+	start_btn.disabled = false
+	noray_connected.emit()
+
+func host():
+	var peer = ENetMultiplayerPeer.new()
+	var error = OK
+	if debug:
+		error = peer.create_server(1069)
+	else:
+		error = peer.create_server(Noray.local_port)
+	if error:
+		errordialog.title = "Error"
+		errordialog.dialog_text = "Failed to create Server: " + str(error_string(error) + " (" + str(error) + ")")
+		errordialog.popup_centered()
+		errordialog.get_ok_button().grab_focus()
+		main.close_network()
+	else:
+		multiplayer.multiplayer_peer = peer
+		is_host = true
+
+func join(oid: String):
+	if debug:
+		var peer = ENetMultiplayerPeer.new()
+		var error = peer.create_client("localhost", 1069)
+		print("Join: " + error_string(error) + " " + str(error))
+		multiplayer.multiplayer_peer = peer
+		return
+	Noray.connect_nat(oid)
+	external_oid = oid
+
+func handle_nat_connection(address, port):
+	var err = await connect_to_server(address, port)
+	
+	if err != OK && !is_host:
+		print("NAT failed, using relay")
+		err = Noray.connect_relay(external_oid)
+	
+	return err
+
+func handle_relay_connection(address, port):
+	return await connect_to_server(address, port)
+
+func connect_to_server(address, port):
+	var err = OK
+	if !is_host:
+		var udp = PacketPeerUDP.new()
+		udp.bind(Noray.local_port)
+		udp.set_dest_address(address, port)
+		
+		err = await PacketHandshake.over_packet_peer(udp)
+		udp.close()
+		
+		if err != OK:
+			if err != ERR_BUSY:
+				print("Handshake failed")
+				return err
+		else:
+			print("Handshake success")
+		
+		var peer = ENetMultiplayerPeer.new()
+		err = peer.create_client(address, port, 0, 0, 0, Noray.local_port)
+		
+		if err != OK:
+			return err
+		
+		multiplayer.multiplayer_peer = peer
+		
+		return OK
+	else:
+		err = await PacketHandshake.over_enet(multiplayer.multiplayer_peer.host, address, port)
+	
+	return err