public IEnumerable <ushort> AddEvents(XElement element)
{
for (var i = 0; i < 4; i++)
{
var type = (BlockEventType)i;
var attr = element.GetAttributeValue(type.ToString() + 's');
if (attr == null)
{
continue;
}
foreach (var e in attr.Split(new[] { ',' }, StringSplitOptions.RemoveEmptyEntries)
.Select(str => BlockEvent.Parse(Parent, type, str)))
{
yield return((ushort)BlockEvents.Count);
BlockEvents.Add(e);
}
}
}
