TTL_TechMeetup/august7_mqtt/godot_client/HighScoreExample.gd

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GDScript3
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extends Control
var brokerurl = "wss://test.mosquitto.org:8081"
var possibleusernames = ["Alice", "Beth", "Cath", "Dan", "Earl", "Fred", "George", "Harry", "Ivan",
"John", "Kevin", "Larry", "Martin", "Oliver", "Peter", "Quentin", "Robert",
"Samuel", "Thomas", "Ulrik", "Victor", "Wayne", "Xavier", "Youngs", "Zephir"]
var fetchingscores = true
var highscores = [ ]
var regexscores = RegEx.new()
func _ready():
randomize()
$VBox/HBoxPlayername/LineEdit.text = possibleusernames[randi()%len(possibleusernames)]
$VBox/HBoxHighScore/LineEdit.text = "%d" % (randi()%1000)
regexscores.compile("^\\w+/(\\w+)/score")
#$MQTT.verbose_level = 0
_on_fetch_scores_pressed()
func _on_mqtt_broker_connected():
# this quality of service means we get an acknowledgement message back from the broker
# which we can use to disconnect from the broker when the work is done
var qos = 1
if fetchingscores:
$MQTT.subscribe("%s/+/score" % $VBox/HBoxGamename/LineEdit.text)
# this follow-on message is acknowledged after all subscribed retained messages have arrived
$MQTT.publish("%s" % $VBox/HBoxGamename/LineEdit.text, "acknowledgemessage", false, qos)
else:
var topic = "%s/%s/score" % [$VBox/HBoxGamename/LineEdit.text, $VBox/HBoxPlayername/LineEdit.text]
$MQTT.publish(topic, $VBox/HBoxHighScore/LineEdit.text, true, qos)
func _on_mqtt_broker_connection_failed():
print("Connection failed")
func _on_send_score_pressed():
fetchingscores = false
$MQTT.connect_to_broker(brokerurl)
func _on_fetch_scores_pressed():
fetchingscores = true
highscores = [ ]
$MQTT.connect_to_broker(brokerurl)
func _on_mqtt_broker_disconnected():
print("disconnected")
func _on_mqtt_publish_acknowledge(pid):
print("Publish message acknowledged ", pid)
$MQTT.disconnect_from_server()
if fetchingscores:
highscores.sort()
highscores.reverse()
$VBox/HBoxTopscores/RichTextLabel.clear()
$VBox/HBoxTopscores/RichTextLabel.append_text("[u]Top ten scores[/u]\n")
while len(highscores) < 10:
highscores.append([0, " --- "])
for i in range(10):
$VBox/HBoxTopscores/RichTextLabel.append_text("%d. [b]%s:[/b] %d\n" % [i+1, highscores[i][1], highscores[i][0]])
print(highscores)
func _on_mqtt_received_message(topic, message):
var rem = regexscores.search(topic)
if rem:
var playername = rem.get_string(1)
highscores.append([int(message), playername])