Allow to occasionally send tab list updates

CraftBukkit-Patches/0027-Infrequently-send-tab-list-updates.patch

@@ -0,0 +1,65 @@
+From 6343d48ad9e86d2f069242a8a96ee4fcf988fc3d Mon Sep 17 00:00:00 2001
+From: md_5 <md_5@live.com.au>
+Date: Sat, 16 Feb 2013 17:56:26 +1100
+Subject: [PATCH] Infrequently send tab list updates.
+
+---
+ src/main/java/net/minecraft/server/PlayerList.java | 6 +++++-
+ src/main/java/org/bukkit/craftbukkit/Spigot.java   | 2 ++
+ src/main/resources/configurations/bukkit.yml       | 1 +
+ 3 files changed, 8 insertions(+), 1 deletion(-)
+
+diff --git a/src/main/java/net/minecraft/server/PlayerList.java b/src/main/java/net/minecraft/server/PlayerList.java
+index d13fa19..aaf447a 100644
+--- a/src/main/java/net/minecraft/server/PlayerList.java
++++ b/src/main/java/net/minecraft/server/PlayerList.java
+@@ -651,9 +651,13 @@ public abstract class PlayerList {
+     }
+ 
+     public void tick() {
+-        if (++this.o > 600) {
++        // Spigot start
++        if (++this.o > 600 && org.bukkit.craftbukkit.Spigot.tabPing) {
+             this.o = 0;
++            EntityPlayer entityplayer = (EntityPlayer) this.players.get(this.o);
++            this.sendAll(new Packet201PlayerInfo(entityplayer.name, true, entityplayer.ping));
+         }
++        // Spigot end
+ 
+         /* CraftBukkit start - remove updating of lag to players -- it spams way to much on big servers.
+         if (this.o < this.players.size()) {
+diff --git a/src/main/java/org/bukkit/craftbukkit/Spigot.java b/src/main/java/org/bukkit/craftbukkit/Spigot.java
+index 04f8f56..709a4f0 100644
+--- a/src/main/java/org/bukkit/craftbukkit/Spigot.java
++++ b/src/main/java/org/bukkit/craftbukkit/Spigot.java
+@@ -6,6 +6,7 @@ import org.bukkit.configuration.file.YamlConfiguration;
+ import java.util.List;
+ 
+ public class Spigot {
++    public static boolean tabPing = false;
+     public static void initialize(CraftServer server, SimpleCommandMap commandMap, YamlConfiguration configuration) {
+         commandMap.register("bukkit", new org.bukkit.craftbukkit.command.RestartCommand("restart"));
+         commandMap.register("bukkit", new org.bukkit.craftbukkit.command.TicksPerSecondCommand("tps"));
+@@ -40,6 +41,7 @@ public class Spigot {
+             server.chunkGCPeriod = 600;
+         }
+ 
++        tabPing = configuration.getBoolean("settings.tab-ping", tabPing);
+     }
+ 
+     /**
+diff --git a/src/main/resources/configurations/bukkit.yml b/src/main/resources/configurations/bukkit.yml
+index 5933a88..8ddda07 100644
+--- a/src/main/resources/configurations/bukkit.yml
++++ b/src/main/resources/configurations/bukkit.yml
+@@ -35,6 +35,7 @@ settings:
+     spam-exclusions:
+        - /skill
+     map-send-interval: 10000
++    tab-ping: false
+ world-settings:
+     default:
+         growth-chunks-per-tick: 650
+-- 
+1.8.1-rc2
+