private void checkTimelinesUsage(TrackEntry entry) {
IntSet propertyIDs = this.propertyIDs;
int n = entry.animation.timelines.size;
Object[] timelines = entry.animation.timelines.items;
boolean[] usage = entry.timelinesFirst.setSize(n);
for (int i = 0; i < n; i++)
usage[i] = propertyIDs.add(((Timeline) timelines[i]).getPropertyId());
}
/**
* From last to first mixingFrom entries, sets timelinesFirst to true on last, calls
* checkTimelineUsage on rest.
*/
private void setTimelinesFirst(TrackEntry entry) {
if (entry.mixingFrom != null) {
setTimelinesFirst(entry.mixingFrom);
checkTimelinesUsage(entry);
return;
}
IntSet propertyIDs = this.propertyIDs;
int n = entry.animation.timelines.size;
Object[] timelines = entry.animation.timelines.items;
boolean[] usage = entry.timelinesFirst.setSize(n);
for (int i = 0; i < n; i++) {
propertyIDs.add(((Timeline) timelines[i]).getPropertyId());
usage[i] = true;
}
}
private void animationsChanged() {
animationsChanged = false;
IntSet propertyIDs = this.propertyIDs;
// Set timelinesFirst for all entries, from lowest track to highest.
int i = 0, n = tracks.size;
propertyIDs.clear();
for (; i < n; i++) { // Find first non-null entry.
TrackEntry entry = tracks.get(i);
if (entry == null) continue;
setTimelinesFirst(entry);
i++;
break;
}
for (; i < n; i++) { // Rest of entries.
TrackEntry entry = tracks.get(i);
if (entry != null) checkTimelinesFirst(entry);
}
}