PaperMC/CraftBukkit-Patches/0067-Add-Optional-Tick-Shuffling.patch

From 61113aa5f7710ecae31ddc374322342efc928f17 Mon Sep 17 00:00:00 2001
From: md_5 <git@md-5.net>
Date: Mon, 27 Jan 2014 08:39:26 +1100
Subject: [PATCH] Add Optional Tick Shuffling

This prevents players from 'gaming' the server, and strategically relogging to increase their position in the tick order.

diff --git a/src/main/java/net/minecraft/server/ServerConnection.java b/src/main/java/net/minecraft/server/ServerConnection.java
index 968a1b7..827bfaf 100644
--- a/src/main/java/net/minecraft/server/ServerConnection.java
+++ b/src/main/java/net/minecraft/server/ServerConnection.java
@@ -123,6 +123,13 @@ public class ServerConnection {
         List list = this.h;
 
         synchronized (this.h) {
+            // Spigot Start
+            // This prevents players from 'gaming' the server, and strategically relogging to increase their position in the tick order
+            if ( org.spigotmc.SpigotConfig.playerShuffle > 0 && MinecraftServer.currentTick % org.spigotmc.SpigotConfig.playerShuffle == 0 )
+            {
+                Collections.shuffle( this.h );
+            }
+            // Spigot End
             Iterator iterator = this.h.iterator();
 
             while (iterator.hasNext()) {
diff --git a/src/main/java/org/spigotmc/SpigotConfig.java b/src/main/java/org/spigotmc/SpigotConfig.java
index 936c860..83e575f 100644
--- a/src/main/java/org/spigotmc/SpigotConfig.java
+++ b/src/main/java/org/spigotmc/SpigotConfig.java
@@ -274,4 +274,10 @@ public class SpigotConfig
         playerSample = getInt( "settings.sample-count", 12 );
         System.out.println( "Server Ping Player Sample Count: " + playerSample );
     }
+
+    public static int playerShuffle;
+    private static void playerShuffle()
+    {
+        playerShuffle = getInt( "settings.player-shuffle", 0 );
+    }
 }
-- 
2.5.0