From 761cd595145172ee8e87baeb0c2296811c893278 Mon Sep 17 00:00:00 2001
From: Shoghi Cervantes <shoghicp@gmail.com>
Date: Mon, 6 Oct 2014 11:22:59 +0200
Subject: [PATCH] Implemented flying protection

---
 src/pocketmine/Player.php | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/src/pocketmine/Player.php b/src/pocketmine/Player.php
index 4eb4e5e83..1d09f58f8 100644
--- a/src/pocketmine/Player.php
+++ b/src/pocketmine/Player.php
@@ -175,6 +175,8 @@ class Player extends Human implements CommandSender, InventoryHolder, IPlayer{
 	private $spawnPosition = null;
 	private $inAction = false;
 
+	protected $inAirTicks = 0;
+
 
 	private $needACK = [];
 
@@ -1176,6 +1178,18 @@ class Player extends Human implements CommandSender, InventoryHolder, IPlayer{
 		$this->processMovement();
 
 		$this->entityBaseTick();
+
+		if($this->onGround){
+			$this->inAirTicks = 0;
+		}else{
+			if($this->inAirTicks > 100 and $this->isSurvival() and !$this->isSleeping() and $this->spawned and !$this->server->getAllowFlight()){
+				$this->kick("Flying is not enabled on this server");
+				return false;
+			}else{
+				++$this->inAirTicks;
+			}
+		}
+
 		foreach($this->level->getNearbyEntities($this->boundingBox->grow(1, 1, 1), $this) as $entity){
 			if($entity instanceof Arrow and $entity->onGround and $this->motionX == 0 and $this->motionY == 0 and $this->motionZ == 0){
 				if($entity->dead !== true){