public static void estimateKeyDerivationTime() {
// This is run in the background after startup. If we haven't recorded it before, do a key
// derivation to see
// how long it takes. This helps us produce better progress feedback, as on Windows we don't
// currently have a
// native Scrypt impl and the Java version is ~3 times slower, plus it depends a lot on CPU
// speed.
checkGuiThread();
estimatedKeyDerivationTime = Main.instance.prefs.getExpectedKeyDerivationTime();
if (estimatedKeyDerivationTime == null) {
new Thread(
() -> {
log.info("Doing background test key derivation");
KeyCrypterScrypt scrypt = new KeyCrypterScrypt(SCRYPT_PARAMETERS);
long start = System.currentTimeMillis();
scrypt.deriveKey("test password");
long msec = System.currentTimeMillis() - start;
log.info("Background test key derivation took {}msec", msec);
Platform.runLater(
() -> {
estimatedKeyDerivationTime = Duration.ofMillis(msec);
Main.instance.prefs.setExpectedKeyDerivationTime(estimatedKeyDerivationTime);
});
})
.start();
}
}
private void render() {
ArrayList<NetworkMessage> messages = networkController.getMessages();
for (NetworkMessage message : messages) {
String messageType =
message.getClass().getName().replace("NetworkMessages.", "").replace("Messages.", "");
switch (messageType) {
case "PelletPositionMessage":
{
PelletPositionMessage m = (PelletPositionMessage) message;
Drawable drawable = getCachedDrawable(m.id);
if (drawable != null) {
drawable.node.relocate(m.x, m.y);
drawable.cacheMisses = 0;
} else {
Random r = new Random();
Node node =
drawCircle(
m.x, m.y, 5, new Color(r.nextFloat(), r.nextFloat(), r.nextFloat(), 1));
drawableCache.add(new Drawable(m.id, node));
}
}
break;
case "BlobStateMessage":
{
BlobStateMessage m = (BlobStateMessage) message;
Color color = Color.web(m.color);
Node node;
if (color.getBrightness() != 0) {
node = drawCircle(m.x, m.y, m.size / 2, color);
} else {
node = drawCircle(m.x, m.y, m.size / 2, color.brighter().brighter());
}
Node nameText =
drawText((m.x - m.username.length() * 5), (m.y - m.size / 2), m.username, color);
Drawable drawable = getCachedDrawable(m.id);
if (drawable != null) {
node.setLayoutX((drawable.node.getTranslateX() - m.x) / 10000);
node.setLayoutY((drawable.node.getTranslateY() - m.y) / 10000);
drawable.node = node;
drawable.cacheMisses = 0;
Drawable nameTag = getCachedDrawable(m.id + 9000);
nameTag.node = nameText;
nameTag.cacheMisses = 0;
} else {
drawableCache.add(new Drawable(m.id, node));
drawableCache.add(new Drawable(m.id + 9000, nameText));
}
}
break;
case "PingMessage":
{
renderPane.getChildren().clear();
ArrayList<Drawable> drawables = new ArrayList<>(drawableCache);
for (Drawable drawable : drawables) {
if (drawable.cacheMisses > 1) {
drawableCache.remove(drawable);
}
drawable.cacheMisses++;
renderPane.getChildren().add(drawable.node);
}
renderPane.getChildren().addAll(chatBox, chatInput, lagLabel, scores);
lag = System.currentTimeMillis() - lastReceivedTime;
lastReceivedTime = System.currentTimeMillis();
lagLabel.setText("Net Lag: " + Long.toString(lag));
}
break;
case "HighScoreMessage":
{
HighScoreMessage m = (HighScoreMessage) message;
highScores.setText("HIGH SCORES:" + m.text);
}
break;
case "CurrentScoreMessage":
{
CurrentScoreMessage m = (CurrentScoreMessage) message;
currentScores.setText("Current Scores:" + m.text);
}
break;
case "ChatMessage":
{
ChatMessage m = (ChatMessage) message;
chatBox.appendText(m.username + "> " + m.text + "\n");
}
break;
}
}
}