papermc/CraftBukkit-Patches/0091-Configurable-Ping-Sample-Size.patch

From 1b97446f513fa4abd73ab946e1939da69564f9fa Mon Sep 17 00:00:00 2001
From: md_5 <git@md-5.net>
Date: Sun, 26 Jan 2014 21:48:34 +1100
Subject: [PATCH] Configurable Ping Sample Size


diff --git a/src/main/java/net/minecraft/server/PacketStatusListener.java b/src/main/java/net/minecraft/server/PacketStatusListener.java
index cd06305..6423aec 100644
--- a/src/main/java/net/minecraft/server/PacketStatusListener.java
+++ b/src/main/java/net/minecraft/server/PacketStatusListener.java
@@ -110,6 +110,13 @@ public class PacketStatusListener implements PacketStatusInListener {
         }
 
         ServerPingPlayerSample playerSample = new ServerPingPlayerSample(event.getMaxPlayers(), profiles.size());
+        // Spigot Start
+        if ( !profiles.isEmpty() )
+        {
+            java.util.Collections.shuffle( profiles ); // This sucks, its inefficient but we have no simple way of doing it differently
+            profiles = profiles.subList( 0, Math.min( profiles.size(), org.spigotmc.SpigotConfig.playerSample ) ); // Cap the sample to n (or less) displayed players, ie: Vanilla behaviour
+        }
+        // Spigot End
         playerSample.a(profiles.toArray(new GameProfile[profiles.size()]));
 
         ServerPing ping = new ServerPing();
diff --git a/src/main/java/org/spigotmc/SpigotConfig.java b/src/main/java/org/spigotmc/SpigotConfig.java
index 2baed09..8eac742 100644
--- a/src/main/java/org/spigotmc/SpigotConfig.java
+++ b/src/main/java/org/spigotmc/SpigotConfig.java
@@ -249,4 +249,11 @@ public class SpigotConfig
     {
         commands.put( "tps", new TicksPerSecondCommand( "tps" ) );
     }
+
+    public static int playerSample;
+    private static void playerSample()
+    {
+        playerSample = getInt( "settings.sample-count", 12 );
+        System.out.println( "Server Ping Player Sample Count: " + playerSample );
+    }
 }
-- 
1.9.1