Improved flight detection, added Entity->resetFallDistance(), closes #2632

src/pocketmine/block/Cobweb.php

@@ -45,7 +45,7 @@ class Cobweb extends Flowable{
 	}
 
 	public function onEntityCollide(Entity $entity){
-		$entity->fallDistance = 0;
+		$entity->resetFallDistance();
 	}
 
 	public function getDrops(Item $item){

src/pocketmine/block/Ladder.php

@@ -52,7 +52,7 @@ class Ladder extends Transparent{
 	}
 
 	public function onEntityCollide(Entity $entity){
-		$entity->fallDistance = 0;
+		$entity->resetFallDistance();
 		$entity->onGround = true;
 	}
 

src/pocketmine/block/Vine.php

@@ -53,7 +53,7 @@ class Vine extends Transparent{
 	}
 
 	public function onEntityCollide(Entity $entity){
-		$entity->fallDistance = 0;
+		$entity->resetFallDistance();
 	}
 
 	protected function recalculateBoundingBox(){

src/pocketmine/block/Water.php

@@ -42,7 +42,7 @@ class Water extends Liquid{
 	}
 
 	public function onEntityCollide(Entity $entity){
-		$entity->fallDistance = 0;
+		$entity->resetFallDistance();
 		if($entity->fireTicks > 0){
 			$entity->extinguish();
 		}