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();
}
}
/**
* Defines the characteristics of a <i>TranslateTransition</i>. Each call results in ONE segment
* of motion. When that segment is finished, it "chains" another call to <i>startMotion()</i>
* (which is NOT recursion)! The initial call is made by the managing <i>Army</i> object;
* subsequent calls are made through the "chaining" process described here.
*
* @param engageInCombat TODO
*/
public void startMotion(boolean engageInCombat) {
Army opposingArmy = armyAllegiance.getOpposingArmy();
Actor opponent =
opposingArmy.findNearestOpponent(
this); // could legitimately return a null: 1) no one is visible 2) no Actors in
// opposing army
Point2D newLocation;
if (opponent != null) {
System.out.printf(
"ToMove:[%.1f:%.1f] Opponent:[%.1f:%.1f]\n",
getAvatar().getTranslateX(),
getAvatar().getTranslateY(),
opponent.getAvatar().getTranslateX(),
opponent.getAvatar().getTranslateX());
double DISTANCE_FOR_BATTLE = 50.0;
if (engageInCombat && distanceTo(opponent) < DISTANCE_FOR_BATTLE) {
double h1, h2, h3, h4; // debug code
h1 = this.getHealth();
h2 = opponent.getHealth();
combatRound(opponent);
h3 = this.getHealth();
h4 = opponent.getHealth();
h4 = h4;
if (this.getHealth() <= 0.0) {
armyAllegiance.removeNowDeadActor(this);
}
if (opponent.getHealth() <= 0.0) {
opponent.armyAllegiance.removeNowDeadActor(opponent);
}
} // end if (combat)
newLocation = findNewLocation(opponent);
} else // end if (test for null opponent)
newLocation = meander(); // null opponent means we wander around close to our current location
if (tt.getStatus()
!= Animation.Status.RUNNING) { // if NOT yet RUNNING, start . . . otherwise, do nothing.
// tt.setToX(Math.random()*getAvatar().getScene().getWidth());
// tt.setToY(Math.random()*getAvatar().getScene().getHeight());
tt.setToX(validateCoordinate(newLocation).getX());
tt.setToY(validateCoordinate(newLocation).getY());
tt.setDuration(
Duration.seconds(MAX_SPEED / (getSpeed() * (armyAllegiance.getSpeedControllerValue()))));
tt.setOnFinished(event -> startMotion(true)); // NOT RECURSION!!!!
tt
.play(); // give assembled object to the render engine (of course, play() is an
// object-oriented method which has access to "this" inside, and it can use
// "this" to give to the render engine.
}
} // end startMotion()