Re-add a fixed version of the "Improved Ping Sending" patch

CraftBukkit-Patches/0124-Enable-Improved-Ping-Sending.patch

@@ -0,0 +1,65 @@
+From 0667d6da84d92d80b6be70145083fa4cc5bd913c Mon Sep 17 00:00:00 2001
+From: Aikar <aikar@aikar.co>
+Date: Sun, 24 Feb 2013 20:45:20 +1100
+Subject: [PATCH] Enable Improved Ping Sending
+
+
+diff --git a/src/main/java/net/minecraft/server/EntityPlayer.java b/src/main/java/net/minecraft/server/EntityPlayer.java
+index 27f9dc9..5788872 100644
+--- a/src/main/java/net/minecraft/server/EntityPlayer.java
++++ b/src/main/java/net/minecraft/server/EntityPlayer.java
+@@ -62,6 +62,7 @@ public class EntityPlayer extends EntityHuman implements ICrafting {
+     public boolean keepLevel = false;
+     public double maxHealthCache;
+     public boolean joining = true;
++    public int lastPing = -1; // Spigot
+     // CraftBukkit end
+     // Spigot start
+     public boolean collidesWithEntities = true;
+diff --git a/src/main/java/net/minecraft/server/PlayerList.java b/src/main/java/net/minecraft/server/PlayerList.java
+index 25810d3..bf353e0 100644
+--- a/src/main/java/net/minecraft/server/PlayerList.java
++++ b/src/main/java/net/minecraft/server/PlayerList.java
+@@ -784,6 +784,8 @@ public abstract class PlayerList {
+         // CraftBukkit end
+     }
+ 
++    private int currentPing = 0;
++
+     public void tick() {
+         if (++this.p > 600) {
+             this.p = 0;
+@@ -796,6 +798,30 @@ public abstract class PlayerList {
+             this.sendAll(new PacketPlayOutPlayerInfo(entityplayer.getName(), true, entityplayer.ping));
+         }
+         // CraftBukkit end */
++        // Spigot start
++        try
++        {
++            if ( !players.isEmpty() )
++            {
++                currentPing = ( currentPing + 1 ) % this.players.size();
++                EntityPlayer player = (EntityPlayer) this.players.get( currentPing );
++                if ( player.lastPing == -1 || Math.abs( player.ping - player.lastPing ) > 20 )
++                {
++                    Packet packet = new PacketPlayOutPlayerInfo( player.listName, true, player.ping );
++                    for ( EntityPlayer splayer : (List<EntityPlayer>) this.players )
++                    {
++                        if ( splayer.getBukkitEntity().canSee( player.getBukkitEntity() ) )
++                        {
++                            splayer.playerConnection.sendPacket( packet );
++                        }
++                    }
++                    player.lastPing = player.ping;
++                }
++            }
++        } catch ( Exception e ) {
++            // Better safe than sorry :)
++        }
++        // Spigot end
+     }
+ 
+     public void sendAll(Packet packet) {
+-- 
+1.8.5.2.msysgit.0
+