private void RemoveEntity([NotNull] IEntityHandle ent)
{
if (ent == null)
{
throw new ArgumentNullException(nameof(ent));
}
Debug.Assert(SyncEntities.Contains(ent));
Debug.Assert(!InitEntities.Contains(ent));
LeaveEntities.Add(ent);
}
protected IEnumerable <IUpdateSegment> GetSyncSegments(
[NotNull] IList <IUpdateWriter> updateSegments,
[NotNull] Func <FlagAccumulatorComponent, IUpdateWriter> updateWriterFactory)
{
if (updateSegments == null)
{
throw new ArgumentNullException(nameof(updateSegments));
}
if (updateWriterFactory == null)
{
throw new ArgumentNullException(nameof(updateWriterFactory));
}
var removeList = new List <IEntityHandle>();
var syncSegments = new List <IUpdateSegment>();
foreach (var handle in SyncEntities)
{
// remove entity if
// it's dead
// or its in the leave list
if (handle.IsDead() ||
LeaveEntities.Contains(handle))
{
syncSegments.Add(RemoveEntitySegment.Instance);
removeList.Add(handle);
}
else
{
var entity = handle.Get();
var flags = entity.Components.AssertGet <FlagAccumulatorComponent>();
if (flags.Reinitialize)
{
InitEntities.Add(handle);
removeList.Add(handle);
}
else
{
var updater = updateWriterFactory(flags);
var needsUpdate = updater.NeedsUpdate();
syncSegments.Add(CommonSegmentResolve(flags, needsUpdate));
if (needsUpdate)
{
updateSegments.Add(updater);
}
}
}
}
// cleanup
LeaveEntities.Clear();
foreach (var handle in removeList)
{
SyncEntities.Remove(handle);
}
return(syncSegments);
}
