From 52f734799e99d5e45bd819e301ede0904f267193 Mon Sep 17 00:00:00 2001
From: "Dylan K. Taylor" <odigiman@gmail.com>
Date: Fri, 16 Oct 2020 20:43:03 +0100
Subject: [PATCH] Human: do not modify totalXp unless setting XP succeeds

---
 src/pocketmine/entity/Human.php | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/pocketmine/entity/Human.php b/src/pocketmine/entity/Human.php
index b359d791eb..f44b46a335 100644
--- a/src/pocketmine/entity/Human.php
+++ b/src/pocketmine/entity/Human.php
@@ -400,14 +400,14 @@ class Human extends Creature implements ProjectileSource, InventoryHolder{
 	 * @param bool $playSound Whether to play level-up and XP gained sounds.
 	 */
 	public function addXp(int $amount, bool $playSound = true) : bool{
-		if($amount > 0){
-			$this->totalXp += $amount;
-		}
-
 		$oldLevel = $this->getXpLevel();
 		$oldTotal = $this->getCurrentTotalXp();
 
 		if($this->setCurrentTotalXp($oldTotal + $amount)){
+			if($amount > 0){
+				$this->totalXp += $amount;
+			}
+
 			if($playSound){
 				$newLevel = $this->getXpLevel();
 				if((int) ($newLevel / 5) > (int) ($oldLevel / 5)){