@Override
public void run() {
Lecture lect = this.game.getCurrentLesson().getCurrentExercise();
if (!(lect instanceof Exercise)) return;
Exercise exo = (Exercise) lect;
boolean stepModeWasActivated = this.game.stepModeEnabled();
try {
game.setState(Game.GameState.DEMO_STARTED);
this.game.disableStepMode();
exo.runDemo(runners);
Iterator<Thread> it = runners.iterator();
while (it.hasNext()) {
Thread t = it.next();
if (!t.equals(this)) {
/* do not wait for myself */
t.join();
it.remove();
}
}
} catch (InterruptedException e) {
game.getOutputWriter().log(e);
} catch (Exception e) {
e.printStackTrace();
} finally {
if (stepModeWasActivated) {
this.game.enableStepMode();
}
game.setState(Game.GameState.DEMO_ENDED);
}
runners.remove(this);
}
