protected override void OnDelete()
{
base.OnDelete();
if (Altar != null)
{
Altar.Delete();
}
if (Vendor != null)
{
Vendor.Delete();
}
foreach (var b in Bosses.Where(b => b != null))
{
b.Delete();
}
foreach (var t in TeleportersTo.Union(TeleportersFrom).Where(t => t != null))
{
t.Delete();
}
foreach (var s in Floors.Where(l => l != null).SelectMany(l => l.Where(s => s != null)))
{
s.Delete();
}
foreach (var s in Stage.Where(s => s != null))
{
s.Delete();
}
}