From d6016c6327a2f0e3a84feae6ce462fab7740c636 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Sun, 19 Oct 2014 16:04:28 -0500
Subject: [PATCH] Only refresh abilities if needed


diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
index 096615edc..73ec0f7b6 100644
--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
@@ -1176,12 +1176,13 @@ public class CraftPlayer extends CraftHumanEntity implements Player {
     }
 
     public void setFlying(boolean value) {
+        boolean needsUpdate = getHandle().abilities.canFly != value; // PaperSpigot - Only refresh abilities if needed
         if (!getAllowFlight() && value) {
             throw new IllegalArgumentException("Cannot make player fly if getAllowFlight() is false");
         }
 
         getHandle().abilities.isFlying = value;
-        getHandle().updateAbilities();
+        if (needsUpdate) getHandle().updateAbilities(); // PaperSpigot - Only refresh abilities if needed
     }
 
     public boolean getAllowFlight() {
-- 
2.13.3