Cobweb, Ladders and Water won't cause fall damage

src/pocketmine/block/Cobweb.php

@@ -22,6 +22,7 @@
 namespace pocketmine\block;
 
 use pocketmine\item\Item;
+use pocketmine\entity\Entity;
 
 class Cobweb extends Flowable{
 	public function __construct(){
@@ -31,6 +32,10 @@ class Cobweb extends Flowable{
 		$this->hardness = 25;
 	}
 
+	public function onEntityCollide(Entity $entity){
+		$entity->fallDistance = 0;
+	}
+
 	public function getDrops(Item $item){
 		return [];
 	}