Fix tablist failure on softreload

Signed-off-by: Lixfel <agga-games@gmx.de>

src/de/steamwar/bungeecore/tablist/Tablist.java

@@ -62,7 +62,7 @@ public class Tablist extends MessageToMessageDecoder<PacketWrapper> {
         this.player = player;
         this.viewer = ChatSender.of(player);
         this.directTabItems = Storage.directTabItems.computeIfAbsent(player, p -> new HashMap<>());
-        onServerSwitch();
+        injection();
     }
 
     public void update(TablistPart global, int seconds) {
@@ -145,12 +145,17 @@ public class Tablist extends MessageToMessageDecoder<PacketWrapper> {
     }
 
     public void onServerSwitch() {
-        connection = (ServerConnection) player.getServer();
+        injection();
+
         synchronized (directTabItems) {
             sendNpcPacket(npcs.stream().map(npc -> directTabItems.get(npc).getUsername()).collect(Collectors.toList()), true);
             directTabItems.clear();
             npcs.clear();
         }
+    }
+
+    private void injection() {
+        connection = (ServerConnection) player.getServer();
 
         if(connection != null) {
             ChannelPipeline pipeline = connection.getCh().getHandle().pipeline();

src/de/steamwar/bungeecore/tablist/TablistManager.java

@@ -51,7 +51,9 @@ public class TablistManager extends BasicListener {
 
     public TablistManager() {
         ProxyServer.getInstance().getScheduler().schedule(BungeeCore.get(), this::updateTablist, 1, 1, TimeUnit.SECONDS);
-        ProxyServer.getInstance().getPlayers().forEach(player -> tablists.put(player, new Tablist(player)));
+        synchronized (tablists) {
+            ProxyServer.getInstance().getPlayers().forEach(player -> tablists.put(player, new Tablist(player)));
+        }
     }
 
     @EventHandler