/** @param last May be null. */
private TrackEntry trackEntry(
int trackIndex, Animation animation, boolean loop, TrackEntry last) {
TrackEntry entry = trackEntryPool.obtain();
entry.trackIndex = trackIndex;
entry.animation = animation;
entry.loop = loop;
entry.eventThreshold = 0;
entry.attachmentThreshold = 0;
entry.drawOrderThreshold = 0;
entry.animationStart = 0;
entry.animationEnd = animation.getDuration();
entry.animationLast = -1;
entry.nextAnimationLast = -1;
entry.delay = 0;
entry.trackTime = 0;
entry.trackLast = -1;
entry.nextTrackLast = -1;
entry.trackEnd = Float.MAX_VALUE;
entry.timeScale = 1;
entry.alpha = 1;
entry.mixAlpha = 1;
entry.mixTime = 0;
entry.mixDuration = last == null ? 0 : data.getMix(last.animation, animation);
return entry;
}
/** Set the current animation. Any queued animations are cleared. */
public TrackEntry setAnimation(int trackIndex, Animation animation, boolean loop) {
TrackEntry current = expandToIndex(trackIndex);
if (current != null) freeAll(current.next);
TrackEntry entry = Pools.obtain(TrackEntry.class);
entry.animation = animation;
entry.loop = loop;
entry.endTime = animation.getDuration();
setCurrent(trackIndex, entry);
return entry;
}
/**
* Adds an animation to be played delay seconds after the current or last queued animation.
*
* @param delay May be <= 0 to use duration of previous animation minus any mix duration plus the
* negative delay.
*/
public TrackEntry addAnimation(int trackIndex, Animation animation, boolean loop, float delay) {
TrackEntry entry = Pools.obtain(TrackEntry.class);
entry.animation = animation;
entry.loop = loop;
entry.endTime = animation.getDuration();
TrackEntry last = expandToIndex(trackIndex);
if (last != null) {
while (last.next != null) last = last.next;
last.next = entry;
} else tracks.set(trackIndex, entry);
if (delay <= 0) {
if (last != null) delay += last.endTime - data.getMix(last.animation, animation);
else delay = 0;
}
entry.delay = delay;
return entry;
}
