/**
* Poses the skeleton using the track entry animations. There are no side effects other than
* invoking listeners, so the animation state can be applied to multiple skeletons to pose them
* identically.
*/
public void apply(Skeleton skeleton) {
if (skeleton == null) throw new IllegalArgumentException("skeleton cannot be null.");
if (animationsChanged) animationsChanged();
Array<Event> events = this.events;
for (int i = 0, n = tracks.size; i < n; i++) {
TrackEntry current = tracks.get(i);
if (current == null || current.delay > 0) continue;
// Apply mixing from entries first.
float mix = current.alpha;
if (current.mixingFrom != null) mix *= applyMixingFrom(current, skeleton);
else if (current.trackTime >= current.trackEnd) //
mix = 0; // Set to setup pose the last time the entry will be applied.
// Apply current entry.
float animationLast = current.animationLast, animationTime = current.getAnimationTime();
int timelineCount = current.animation.timelines.size;
Object[] timelines = current.animation.timelines.items;
if (mix == 1) {
for (int ii = 0; ii < timelineCount; ii++)
((Timeline) timelines[ii])
.apply(skeleton, animationLast, animationTime, events, 1, true, false);
} else {
boolean firstFrame = current.timelinesRotation.size == 0;
if (firstFrame) current.timelinesRotation.setSize(timelineCount << 1);
float[] timelinesRotation = current.timelinesRotation.items;
boolean[] timelinesFirst = current.timelinesFirst.items;
for (int ii = 0; ii < timelineCount; ii++) {
Timeline timeline = (Timeline) timelines[ii];
if (timeline instanceof RotateTimeline) {
applyRotateTimeline(
timeline,
skeleton,
animationTime,
mix,
timelinesFirst[ii],
timelinesRotation,
ii << 1,
firstFrame);
} else
timeline.apply(
skeleton, animationLast, animationTime, events, mix, timelinesFirst[ii], false);
}
}
queueEvents(current, animationTime);
events.clear();
current.nextAnimationLast = animationTime;
current.nextTrackLast = current.trackTime;
}
queue.drain();
}
