Test sneaking

src/de/steamwar/spectatesystem/elements/REntity.java

@@ -101,8 +101,10 @@ public abstract class REntity {
 
     public void sneak(boolean sneaking) {
         entity.setSneaking(sneaking);
-        //entity.getDataWatcher().set(new DataWatcherObject<Byte>(0, DataWatcherRegistry.a), (byte)0x02);
-        PacketPlayOutEntityMetadata packet = new PacketPlayOutEntityMetadata(entity.getId(), entity.getDataWatcher(), false);
+
+        DataWatcher dataWatcher = new DataWatcher(entity);
+        dataWatcher.register(new DataWatcherObject<>(0, DataWatcherRegistry.a), sneaking ? (byte)0x02 : (byte)0x00);
+        PacketPlayOutEntityMetadata packet = new PacketPlayOutEntityMetadata(entity.getId(), dataWatcher, false);
 
         for(Player player : Bukkit.getOnlinePlayers()){
             ((CraftPlayer)player).getHandle().playerConnection.sendPacket(packet);