- submarines send position updates more frequently when they're moving faster

- small AICharacter syncing optimizations
- respawning can be disabled in server setting
- netstats show the total amount of bytes sent for each networkevent type

Subsurface/Source/Map/TransitionCinematic.cs

@@ -26,12 +26,12 @@ namespace Barotrauma
 
         public TransitionCinematic(List<Submarine> submarines, Camera cam, float duration)
         {
+            if (!submarines.Any(s => s != null)) return;
+
             Vector2 targetPos = new Vector2(
                 submarines.Sum(s => s.Position.X),
                 submarines.Sum(s => s.Position.Y)) / submarines.Count;
 
-            if (!submarines.Any()) return;
-
             if (submarines.First().AtEndPosition)
             {
                 targetPos = Level.Loaded.EndPosition + Vector2.UnitY * 500.0f;