public void cancel() {
synchronized (TimelineEngine.LOCK) {
TimelineScenarioState oldState = this.state;
if (oldState != TimelineScenarioState.PLAYING) return;
this.state = TimelineScenarioState.DONE;
for (TimelineScenarioActor waiting : this.waitingActors) {
if (waiting instanceof Timeline) {
((Timeline) waiting).cancel();
}
}
for (TimelineScenarioActor running : this.runningActors) {
if (running instanceof Timeline) {
((Timeline) running).cancel();
}
}
}
}
