part 3 - conversation

Server.gd

@@ -1,8 +1,9 @@
 extends Node
 
-const PORT = 8080 
-var _server = WebSocketServer.new() 
-var peers = [] # everyone currently connected
+const PORT = 8080
+var _server = WebSocketServer.new()
+var IDs = {}
+var peers = []
 
 func _ready():
 	_server.connect('client_connected', self, "_connected")
@@ -17,10 +18,11 @@ func _ready():
 	print_debug("server started")
 	
 func _connected(id, protocol):
-	print_debug("Client %d connected with protocol: %s" 
-		% [id, protocol])
+	print_debug("Client %d connected with protocol: %s" % [id, protocol])
 	_server.get_peer(id).put_packet(JSON.print(
-		{'type': 'test', 'message': "test packet from server"}).to_utf8())
+		{'type': 'test', 'message': "Server test packet"}).to_utf8()
+	)
+	peers.append(id)
 	
 func _close_request(id, code, reason):
 	print_debug("Client %d disconnecting with code: %d, reason: %s" 
@@ -29,6 +31,13 @@ func _close_request(id, code, reason):
 func _disconnected(id, was_clean = false):
 	print_debug("Client %d disconnected, clean: %s" 
 		% [id, str(was_clean)])
+	var user = IDs[id]
+	peers.erase(id)
+	for p in peers:
+		_server.get_peer(p).put_packet(JSON.print(
+			{'type': "server_message", "message": user 
+				+ "(#" + str(id) + ") left the chat."}
+		).to_utf8())
 	
 func _on_data_received(id):
 	
@@ -39,7 +48,18 @@ func _on_data_received(id):
 		push_error("%s is not a dictionary" % [packet])
 		get_tree().quit()
 	
-	print_debug("Got data from client %d: %s" % [id, packet])
+	print_debug("Got data from client %d: %s ... echoing" % [id, packet])
+	if packet['type'] == "user_joined": 
+		IDs[id] = packet['name']
+		for p in peers:
+			_server.get_peer(p).put_packet(
+				JSON.print(
+					{'type': "server_message", "message": packet['name'] 
+						+ "(#" + str(id) + ") joined the chat."}
+					).to_utf8())
+	elif packet['type'] == "chat_message" or packet['type'] == "server_message":
+		for p in peers:
+			_server.get_peer(p).put_packet(JSON.print(packet).to_utf8())
 	
 func _process(_delta):
 	_server.poll()