Option to disable hitbox calculation

src/pocketmine/Player.php

@@ -1104,6 +1104,10 @@ class Player extends Human implements CommandSender, InventoryHolder, IPlayer{
 			return;
 		}
 
+		if($this->server->getProperty("movement-check.calculate-hitboxes",true) === false){
+			return;
+		}
+
 		$revert = false;
 
 		if($distance > 100){

src/pocketmine/resources/pocketmine.yml

@@ -89,6 +89,10 @@ auto-updater:
  suggest-channels: true
  host: www.pocketmine.net
 
+movement-check:
+ #Teleport players back if they move into a block
+ calculate-hitboxes: true
+
 aliases:
  #Examples:
  #showtheversion: version