Add EuphRoom

EuphRoom/EuphRoom.gd

@@ -0,0 +1,91 @@
+extends Node
+
+signal joined()
+signal packet(packet: EuphPacket)
+
+@export var domain := "euphoria.leet.nu"
+@export var room := "test"
+@export var nick := "godot"
+@export var autoconnect := false
+
+@onready var _reconnect_timer := $ReconnectTimer
+
+var _socket: WebSocketPeer
+var _joined: bool
+
+func status() -> String:
+	if not _socket:
+		if _reconnect_timer.is_stopped(): return "stopped"
+		return "waiting"
+	match _socket.get_ready_state():
+		WebSocketPeer.STATE_CONNECTING: return "connecting"
+		WebSocketPeer.STATE_OPEN when _joined: return "joined"
+		WebSocketPeer.STATE_OPEN : return "joining"
+		WebSocketPeer.STATE_CLOSING: return "closing"
+		WebSocketPeer.STATE_CLOSED: return "closed"
+	return "unknown"
+
+func reconnect():
+	# Assumes gc will close the previous socket, if any
+	var url := "wss://%s/room/%s/ws" % [domain, room]
+	_socket = WebSocketPeer.new()
+	_socket.connect_to_url(url)
+	_joined = false
+
+func send(p: EuphPacket):
+	print("=> ", p.json_stringify())
+	if not _socket:
+		push_warning("Tried to send ", p.type, " while not connected")
+		return
+	
+	_socket.send_text(p.json_stringify())
+
+func _on_packet(p: EuphPacket):
+	print("<= ", p.json_stringify())
+	if p.type == "ping-event":
+		send(EuphPacket.new("ping-reply", {"time": p.data.time}))
+	
+	if p.type == "snapshot-event":
+		send(EuphPacket.new("nick", {"name": nick}))
+		_joined = true
+		joined.emit()
+	
+	packet.emit(p)
+
+func _on_raw_packet(raw_packet: PackedByteArray, is_text: bool):
+	if not is_text:
+		push_error("packet must be text")
+		return
+	
+	var text := raw_packet.get_string_from_utf8()
+	var p := EuphPacket.parse_json_string(text)
+	if p:
+		_on_packet(p)
+
+func _ready():
+	if autoconnect:
+		reconnect()
+
+func _process(_delta):
+	if not _socket: return
+	
+	_socket.poll()
+	
+	var state := _socket.get_ready_state()
+	
+	# Reconnect if necessary
+	if state == WebSocketPeer.STATE_CLOSED:
+		_reconnect_timer.start()
+		_socket = null
+		return
+	
+	if state != WebSocketPeer.STATE_OPEN:
+		return
+	
+	while _socket.get_available_packet_count() > 0:
+		var raw_packet := _socket.get_packet()
+		var is_text := _socket.was_string_packet()
+		_on_raw_packet(raw_packet, is_text)
+
+func _on_reconnect_timer_timeout():
+	reconnect()