Fixes crashes when character dies, and when teleporting.

Source/Game/Entities/Object/Update/UpdateField.cs

@@ -379,6 +379,7 @@ namespace Game.Entities
 
     public abstract class HasChangesMask : IHasChangesMask
     {
+        public int _changeMask;
         public UpdateMask _changesMask;
         public int _blockBit;
         public int Bit;
@@ -388,6 +389,7 @@ namespace Game.Entities
             _blockBit = blockBit;
             Bit = (int)bit;
             _changesMask = new UpdateMask(changeMask);
+            _changeMask = changeMask;
         }
 
         public HasChangesMask(int changeMask)
@@ -558,6 +560,11 @@ namespace Game.Entities
             if ((size % 32) != 0)
                 data.WriteBits(0xFFFFFFFFu, size % 32);
         }
+
+        public UpdateMask GetStaticUpdateMask()
+        {
+            return new UpdateMask(_changeMask);
+        }
     }
 
     public class DynamicUpdateFieldSetter<T> : IUpdateField<T> where T : new()