Protect Item->count

src/pocketmine/item/Item.php

@@ -180,7 +180,7 @@ class Item implements ItemIds, \JsonSerializable{
 	/** @var CompoundTag|null */
 	private $cachedNBT = null;
 	/** @var int */
-	public $count = 1;
+	protected $count = 1;
 	/** @var string */
 	protected $name;
 

src/pocketmine/item/PaintingItem.php

@@ -93,7 +93,7 @@ class PaintingItem extends Item{
 			$entity = Entity::createEntity("Painting", $blockReplace->getLevel(), $nbt);
 
 			if($entity instanceof Entity){
-				--$this->count;
+				$this->pop();
 				$entity->spawnToAll();
 
 				$player->getLevel()->broadcastLevelEvent($blockReplace->add(0.5, 0.5, 0.5), LevelEventPacket::EVENT_SOUND_ITEMFRAME_PLACE); //item frame and painting have the same sound

src/pocketmine/item/ProjectileItem.php

@@ -55,7 +55,7 @@ abstract class ProjectileItem extends Item{
 			$projectile->setMotion($projectile->getMotion()->multiply($this->getThrowForce()));
 		}
 
-		$this->count--;
+		$this->pop();
 
 		if($projectile instanceof Projectile){
 			$projectileEv = new ProjectileLaunchEvent($projectile);

src/pocketmine/item/SpawnEgg.php

@@ -40,7 +40,7 @@ class SpawnEgg extends Item{
 		$entity = Entity::createEntity($this->meta, $player->getLevel(), $nbt);
 
 		if($entity instanceof Entity){
-			--$this->count;
+			$this->pop();
 			$entity->spawnToAll();
 			return true;
 		}