DamagingItem.php

<?php

use pocketmine\Player;
use pocketmine\entity\Arrow;
use pocketmine\item\Item as StructItem;
use pocketmine\level\Position;
use pocketmine\nbt\tag;
use pocketmine\network\protocol;

class DamagingItem extends Arrow{
	const NETWORK_ID = 64;
	public function initEntity(){
		$this->setMaxHealth(5);
		$this->setHealth($this->namedtag["Health"]);
		if(isset($this->namedtag->Age)){
			$this->age = $this->namedtag["Age"];
		}
		if(isset($this->namedtag->PickupDelay)){
			$this->pickupDelay = $this->namedtag["PickupDelay"];
		}
		$this->item = StructItem::get($this->namedtag->Item["id"], $this->namedtag->Item["Damage"], $this->namedtag->Item["Count"]);
	}
	public function saveNBT(){
		parent::saveNBT();
		$this->namedtag->Item = new tag\Compound("Item", [
			"id" => new tag\Short("id", $this->item->getId()),
			"Damage" => new tag\Short("Damage", $this->item->getDamage()),
			"Count" => new tag\Byte("Count", $this->item->getCount())
		]);
		$this->namedtag->Health = new tag\Short("Health", $this->getHealth());
		$this->namedtag->PickupDelay = new tag\Short("PickupDelay", $this->pickupDelay);
	}
	public function spawnTo(Player $player){
		$pk = new protocol\AddItemEntityPacket;
		$pk->eid = $this->getId();
		$pk->x = $this->x;
		$pk->y = $this->y;
		$pk->z = $this->z;
		$pk->speedX = $this->motionX;
		$pk->speedY = $this->motionY;
		$pk->speedZ = $this->motionZ;
		$pk->item = $this->getItem();
		$player->dataPacket($pk->setChannel(Network::CHANNEL_ENTITY_SPAWNING));
		$this->sendData($player);
		parent::spawnTo($player);
	}
	public static function createNew(Position $pos, StructItem $item){
		$nbt = new tag\Compound("", [
			"Pos" => new tag\Enum("Pos", [
				new tag\Double("", $this->x),
				new tag\Double("", $this->y + $this->getEyeHeight()),
				new tag\Double("", $this->z)
			]),
			"Motion" => new tag\Enum("Motion", [
				new tag\Double("", $aimPos->x),
				new tag\Double("", $aimPos->y),
				new tag\Double("", $aimPos->z)
			]),
			"Rotation" => new tag\Enum("Rotation", [
				new tag\Float("", $this->yaw),
				new tag\Float("", $this->pitch)
			]),
			"PickupDelay" => new tag\Short("PickupDelay", 32767),
			"Health" => new tag\Short("Health", 1),
			"Item" => new tag\Compound("Item", [
				"id" => new tag\Short("id", $item->getId()),
				"Damage" => new tag\Short("Damage", $item->getDamage()),
				"Count" => new tag\Byte("Count", $item->getCount()))
			],
		]);
	}
}