chat messages are now sent and relayed. server: handling host client leaving correctly

components/client_interface.gd

@@ -8,6 +8,9 @@ extends Control
 @export var join_lobby_button: Button
 @export var leave_lobby_button: Button
 
+@export var chat_message_input: LineEdit
+@export var send_chat_message_button: Button
+
 @export var name_input: LineEdit
 @export var lobby_code_input: LineEdit
 
@@ -41,6 +44,12 @@ func _on_disconnect_lobby_button_pressed() -> void:
 	leave_lobby_button.disabled = true
 	client.leave_lobby()
 
+func _on_send_message_button_pressed() -> void:
+	var msg: String = chat_message_input.text.strip_edges()
+	if not msg.is_empty():
+		client.send_chat_message(msg)
+	chat_message_input.text = ""
+
 func _on_web_client_tcp_connected_to_server() -> void:
 	create_lobby_button.disabled = false
 	join_lobby_button.disabled = false
@@ -73,6 +82,12 @@ func _on_web_client_tcp_client_joined_lobby(client_name: String) -> void:
 		"you": " (that's you!)" if client_name == name_input.text.strip_edges() else ""
 	}))
 
+func _on_web_client_tcp_received_chat_message(client_name: String, message: String) -> void:
+	_write_line("<{client_name}> {message}".format({
+		"client_name": client_name,
+		"message": message,
+	}))
+
 
 func _on_web_client_tcp_connection_status_changed(new_status: WebClientTCP.ConnectionStatus) -> void:
 	match new_status:
@@ -84,6 +99,8 @@ func _on_web_client_tcp_connection_status_changed(new_status: WebClientTCP.Conne
 			name_input.editable = true
 			lobby_code_input.editable = false
 			lobby_code_input.text = ""
+			chat_message_input.editable = false
+			send_chat_message_button.disabled = true
 		
 		WebClientTCP.ConnectionStatus.ATTEMPTING_CONNECTION:
 			connect_button.disabled = true
@@ -93,6 +110,8 @@ func _on_web_client_tcp_connection_status_changed(new_status: WebClientTCP.Conne
 			name_input.editable = true
 			lobby_code_input.editable = false
 			lobby_code_input.text = ""
+			chat_message_input.editable = false
+			send_chat_message_button.disabled = true
 		
 		WebClientTCP.ConnectionStatus.LOBBYLESS:
 			connect_button.disabled = true
@@ -102,6 +121,8 @@ func _on_web_client_tcp_connection_status_changed(new_status: WebClientTCP.Conne
 			name_input.editable = true
 			lobby_code_input.editable = true
 			lobby_code_input.text = ""
+			chat_message_input.editable = false
+			send_chat_message_button.disabled = true
 		
 		WebClientTCP.ConnectionStatus.ATTEMPTING_JOIN:
 			connect_button.disabled = true
@@ -110,6 +131,8 @@ func _on_web_client_tcp_connection_status_changed(new_status: WebClientTCP.Conne
 			leave_lobby_button.disabled = true
 			name_input.editable = false
 			lobby_code_input.editable = false
+			chat_message_input.editable = false
+			send_chat_message_button.disabled = true
 		
 		WebClientTCP.ConnectionStatus.JOINED:
 			connect_button.disabled = true
@@ -118,3 +141,5 @@ func _on_web_client_tcp_connection_status_changed(new_status: WebClientTCP.Conne
 			leave_lobby_button.disabled = false
 			name_input.editable = false
 			lobby_code_input.editable = false
+			chat_message_input.editable = true
+			send_chat_message_button.disabled = false

components/web_client_tcp.gd

@@ -24,6 +24,8 @@ signal disconnected_from_lobby()
 
 signal client_joined_lobby(client_name: String)
 
+signal received_chat_message(client_name: String, message: String)
+
 signal connection_status_changed(new_status: ConnectionStatus)
 
 enum ConnectionStatus {
@@ -86,8 +88,8 @@ func _handle_response(response: String) -> void:
 		"leave_lobby":
 			if data["status"] == "ok":
 				print(data["client_id"] + " left")
-				#if data["client_id"] == _client_id:
-					#connection_status_changed.emit.call_deferred(ConnectionStatus.LOBBYLESS)
+		"receive_chat_message":
+			received_chat_message.emit.call_deferred(data["client_name"], data["message"])
 
 func  _exit_tree() -> void:
 	disconnect_from_server()
@@ -123,8 +125,11 @@ func leave_lobby() -> void:
 	_client_id = ""
 	_client_name = ""
 	
-	disconnected_from_lobby.emit()
-	connection_status_changed.emit(ConnectionStatus.LOBBYLESS)
+	disconnected_from_lobby.emit.call_deferred()
+	connection_status_changed.emit.call_deferred(ConnectionStatus.LOBBYLESS)
+
+func send_chat_message(message: String) -> void:
+	_send_message(TCPMessages.send_chat_message(_lobby_id, _client_id, message))
 
 func _send_message(message: String) -> void:
 	_tcp.put_data(message.to_utf8_buffer())