/// <summary>
/// Invoke a refreeze operation on the plugin, and make all necessary adjustments
/// in bookeeping after.
/// </summary>
/// <returns>True for successful refreeze.</returns>
public bool Refreeze()
{
FragmentId targetFragmentId;
FragmentId[] absorbedIds;
if (!plugin.Refreeze(out targetFragmentId, out absorbedIds))
{
return(false);
}
Debug.Assert(targetFragmentId.IsKnown(), "Received invalid merged fragment id from successful refreeze");
Fragment targetFragment = EnsureFragment(targetFragmentId);
Debug.Assert(targetFragment != null, "Valid fragmentId but no fragment found");
for (int i = 0; i < absorbedIds.Length; ++i)
{
FragmentId sourceId = absorbedIds[i];
if (sourceId != targetFragmentId)
{
Fragment sourceFragment;
if (fragments.TryGetValue(sourceId, out sourceFragment))
{
targetFragment.AbsorbOtherFragment(sourceFragment);
fragments.Remove(sourceId);
}
else
{
Debug.LogError($"Try to merge in a non-existent fragment {sourceId.ToString()}");
}
}
}
CurrentFragmentId = targetFragmentId;
// now apply individual adjustments to each attachment point.
targetFragment.AdjustAll(plugin);
// now that all adjustments have been made, notify the plugin to finish up the operation.
plugin.RefreezeFinish();
refitNotifications?.Invoke(targetFragment.FragmentId, absorbedIds);
return(true);
}
/// <summary>
/// Call on the plugin to compute the merge, then apply by
/// setting transforms and adjusting scene graph.
/// </summary>
/// <returns>True for successful merge.</returns>
public bool Merge()
{
FragmentId targetFragmentId;
FragmentPose[] mergeAdjustments;
if (!plugin.Merge(out targetFragmentId, out mergeAdjustments))
{
return(false);
}
Debug.Assert(targetFragmentId.IsKnown(), "Received invalid merged fragment id from successful merge");
Fragment targetFragment = EnsureFragment(targetFragmentId);
Debug.Assert(targetFragment != null, "Valid fragmentId but null target fragment from Merge");
int numAbsorbed = mergeAdjustments.Length;
for (int i = 0; i < numAbsorbed; ++i)
{
FragmentId sourceId = mergeAdjustments[i].fragmentId;
Pose adjustment = mergeAdjustments[i].pose;
Fragment sourceFragment;
if (fragments.TryGetValue(sourceId, out sourceFragment))
{
targetFragment.AbsorbOtherFragment(sourceFragment, adjustment);
fragments.Remove(sourceId);
}
else
{
Debug.LogError($"Try to merge in a non-existent fragment {sourceId.ToString()}");
}
}
CurrentFragmentId = targetFragmentId;
ApplyActiveCurrentFragment();
refitNotifications?.Invoke(targetFragment.FragmentId, ExtractFragmentIds(mergeAdjustments));
return(true);
}