/// <summary>
/// If conditions have changed to allow finalizing creation of any pending attachment points,
/// do it now.
/// </summary>
private void ProcessPendingAttachmentPoints()
{
if (CurrentFragmentId.IsKnown() && pendingAttachments.Count > 0)
{
// We have a valid destination fragment. Note that since this queue is in order of submission,
// if an attachment point depends on a second attachment point for context,
// that second will be either earlier in the list (because there was no valid current fragment when it was
// created) or it will have a valid fragment. So by the time we get to the one with a dependency (pending.context != null),
// its dependency will have a valid fragment id.
int pendingCount = pendingAttachments.Count;
for (int i = 0; i < pendingCount; ++i)
{
AttachmentPoint target = pendingAttachments[i].target;
Vector3 frozenPosition = pendingAttachments[i].target.ObjectPosition;
IAttachmentPoint context = pendingAttachments[i].context;
SetupAttachmentPoint(plugin, target, context);
FragmentId fragmentId = CurrentFragmentId;
if (context != null)
{
fragmentId = context.FragmentId;
}
Debug.Assert(fragmentId.IsKnown(), $"FragmentId {fragmentId.FormatStr()} invalid from {(context != null ? "context" : "head")} in processing pending");
Fragment fragment = EnsureFragment(fragmentId);
Debug.Assert(fragment != null, "Valid fragmentId but no fragment found");
fragment.AddAttachmentPoint(target);
}
// All pending must now be in a good home fragment, clear the to-do list.
pendingAttachments.Clear();
}
}
/// <inheritdoc />
public void Update(bool autoRefreeze, bool autoMerge)
{
CurrentFragmentId = plugin.GetMostSignificantFragmentId();
Debug.Assert(CurrentFragmentId.IsKnown(), $"F={Time.frameCount} - Update shouldn't be called with no active fragment.");
if (!CurrentFragmentId.IsKnown())
{
return;
}
EnsureFragment(CurrentFragmentId);
if (plugin.Metrics.RefitRefreezeIndicated && autoRefreeze)
{
Refreeze();
}
else if (plugin.Metrics.RefitMergeIndicated && autoMerge)
{
// there are multiple mergeable fragments -- do the merge and show the result
Merge();
}
// There are multiple mergeable fragments with valid adjustments, but we show only the current one
ApplyActiveCurrentFragment();
ProcessPendingAttachmentPoints();
}
