part 3 - conversation

Client.gd

@@ -6,13 +6,20 @@ onready var UI = $UI
 var chat_name
 
 func join_chat(username):
-	pass
+	chat_name = username
+	_client.get_peer(1).put_packet(JSON.print(
+			{'type': "user_joined", 'name': username}
+		).to_utf8()
+	)
 	
 func send_message(message):
-	pass
+	_client.get_peer(1).put_packet(JSON.print(
+			{'type': 'chat_message', 'name': chat_name, 'message': message}
+		).to_utf8()
+	)
 	
-sync func receive_message(packet):
-	pass
+func receive_message(packet):
+	UI.display_message(packet)
 
 func _ready():
 	_client.connect("connection_closed", self, "_closed")
@@ -27,22 +34,31 @@ func _ready():
 	
 func _error(was_clean = false):
 	print_debug("Error. Clean break? ", was_clean)
+	set_process(false)
 	
 func _closed(was_clean = false):
 	print_debug("Closed. Clean break? ", was_clean)
+	set_process(false)
 	
 func _connected(protocol = ""):
 	print_debug("Connected with protocol: ", protocol)
 	_client.get_peer(1).put_packet(JSON.print(
-		{'type': 'test', 'message': "test packet from client"}).to_utf8())
+		{'type': 'test', 'message': "test packet from client"}
+	).to_utf8())
+	UI.join_button.show()
+	UI.username.show()
 	
 func _on_data_received():
-	var json = JSON.parse(_client.get_peer(1).get_packet().get_string_from_utf8())
+	var json = JSON.parse(
+		_client.get_peer(1).get_packet().get_string_from_utf8()
+	)
 	var packet = json.result
 	if typeof(packet) != 18:
 		push_error("%s is not a dictionary" % [packet])
 		get_tree().quit()
 	print_debug("Got data from server: ", packet)
+	if packet['type'] == "chat_message" or packet['type'] == "server_message":
+		receive_message(packet) 
 	
 func _process(_delta):
 	_client.poll()

Client.tscn

@@ -30,12 +30,14 @@ align = 1
 [node name="ChatLog" type="TextEdit" parent="UI/VBox"]
 margin_top = 18.0
 margin_right = 236.0
-margin_bottom = 530.0
+margin_bottom = 558.0
 size_flags_horizontal = 3
 size_flags_vertical = 3
 show_line_numbers = true
+wrap_enabled = true
 
 [node name="ChatInput" type="LineEdit" parent="UI/VBox"]
+visible = false
 margin_top = 534.0
 margin_right = 236.0
 margin_bottom = 558.0

UI.gd

@@ -5,14 +5,26 @@ onready var chat_input = $VBox/ChatInput
 onready var join_button = $VBox/HBox/JoinButton
 onready var username = $VBox/HBox/Name
 
-func display_message(packet): # shout, alert, server_message, user_joined, user_left
-	pass
+func display_message(packet): 
+	if packet['type'] == "chat_message":
+		chat_log.text += packet['name'] + ": " + packet['message'] + "\n"
+	elif packet.has("message"):
+		chat_log.text += packet['message'] + "\n"
 	
 func join_chat():
-	pass
+	if !username.text:
+		display_message(
+			{'type': "alert", 
+				"message": "!!! Enter your username before joining chat."}
+		)
+	else:
+		get_parent().join_chat(username.text)
+		chat_input.show()
+		join_button.hide()
+		username.hide()
 	
 func _input(event):
-	if event is InputEventKey:
+	if event is InputEventKey and chat_input.text:
 		if event.pressed and event.scancode == KEY_ENTER:
 			get_parent().send_message(chat_input.text)
 			chat_input.text = ""