From 3f25236f90dd55e88351cd104bb6a8a0e8ddf567 Mon Sep 17 00:00:00 2001
From: CraftBukkit/Spigot <noreply+git-craftbukkit@papermc.io>
Date: Fri, 3 Feb 2012 05:11:44 -0500
Subject: [PATCH] Prevent the Vanish API from sending unnecessary packets.

By: EvilSeph <evilseph@gmail.com>
---
 .../main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java    | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/paper-server/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java b/paper-server/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
index e91726375d..ead6a43028 100644
--- a/paper-server/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
+++ b/paper-server/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
@@ -564,6 +564,7 @@ public class CraftPlayer extends CraftHumanEntity implements Player {
     }
 
     public void hidePlayer(Player player) {
+        if (hiddenPlayers.contains(player)) return;
         hiddenPlayers.add(player);
 
         //remove this player from the hidden player's EntityTrackerEntry
@@ -579,6 +580,7 @@ public class CraftPlayer extends CraftHumanEntity implements Player {
     }
 
     public void showPlayer(Player player) {
+        if (!hiddenPlayers.contains(player)) return;
         hiddenPlayers.remove(player);
 
         EntityTracker tracker = ((WorldServer) entity.world).tracker;