From 61c2328ff2a651da8acb3c932e6b063e42071006 Mon Sep 17 00:00:00 2001
From: md_5 <md_5@live.com.au>
Date: Thu, 5 Dec 2013 16:33:16 +1100
Subject: [PATCH] Duplicate Disconnect Prevention


diff --git a/src/main/java/net/minecraft/server/PlayerConnection.java b/src/main/java/net/minecraft/server/PlayerConnection.java
index 5534bc3..35c66c6 100644
--- a/src/main/java/net/minecraft/server/PlayerConnection.java
+++ b/src/main/java/net/minecraft/server/PlayerConnection.java
@@ -77,6 +77,7 @@ public class PlayerConnection implements PacketPlayInListener {
     private double z;
     private double q;
     public boolean checkMovement = true; // CraftBukkit - private -> public
+    private boolean disconnected; // Spigot
 
     public PlayerConnection(MinecraftServer minecraftserver, NetworkManager networkmanager, EntityPlayer entityplayer) {
         this.minecraftServer = minecraftserver;
@@ -149,6 +150,12 @@ public class PlayerConnection implements PacketPlayInListener {
     }
 
     public void disconnect(String s) {
+        // Spigot Start
+        if ( disconnected )
+        {
+            return;
+        }
+        // Spigot End
         // CraftBukkit start
         String leaveMessage = EnumChatFormat.YELLOW + this.player.getName() + " left the game.";
 
@@ -170,6 +177,7 @@ public class PlayerConnection implements PacketPlayInListener {
         this.networkManager.handle(new PacketPlayOutKickDisconnect(chatcomponenttext), new GenericFutureListener[] { new PlayerConnectionFuture(this, chatcomponenttext)});
         this.a(chatcomponenttext); // CraftBukkit - Process quit immediately
         this.networkManager.g();
+        disconnected = true; // Spigot
     }
 
     public void a(PacketPlayInSteerVehicle packetplayinsteervehicle) {
-- 
1.8.3.2