Merge branch 'stable' into minor-next

src/VersionInfo.php

@@ -31,7 +31,7 @@ use function str_repeat;
 
 final class VersionInfo{
 	public const NAME = "PocketMine-MP";
-	public const BASE_VERSION = "4.18.3";
+	public const BASE_VERSION = "4.18.4";
 	public const IS_DEVELOPMENT_BUILD = true;
 	public const BUILD_CHANNEL = "stable";
 

src/inventory/CreativeInventory.php

@@ -27,6 +27,7 @@ use pocketmine\item\Durable;
 use pocketmine\item\Item;
 use pocketmine\utils\Filesystem;
 use pocketmine\utils\SingletonTrait;
+use pocketmine\utils\Utils;
 use Symfony\Component\Filesystem\Path;
 use function json_decode;
 
@@ -60,11 +61,11 @@ final class CreativeInventory{
 	 * @return Item[]
 	 */
 	public function getAll() : array{
-		return $this->creative;
+		return Utils::cloneObjectArray($this->creative);
 	}
 
 	public function getItem(int $index) : ?Item{
-		return $this->creative[$index] ?? null;
+		return isset($this->creative[$index]) ? clone $this->creative[$index] : null;
 	}
 
 	public function getItemIndex(Item $item) : int{

src/network/mcpe/NetworkBroadcastUtils.php

@@ -23,7 +23,6 @@ declare(strict_types=1);
 
 namespace pocketmine\network\mcpe;
 
-use pocketmine\event\server\DataPacketSendEvent;
 use pocketmine\network\mcpe\protocol\ClientboundPacket;
 use pocketmine\player\Player;
 use pocketmine\timings\Timings;
@@ -57,13 +56,6 @@ final class NetworkBroadcastUtils{
 				return false;
 			}
 
-			$ev = new DataPacketSendEvent($sessions, $packets);
-			$ev->call();
-			if($ev->isCancelled()){
-				return false;
-			}
-			$sessions = $ev->getTargets();
-
 			/** @var PacketBroadcaster[] $uniqueBroadcasters */
 			$uniqueBroadcasters = [];
 			/** @var NetworkSession[][] $broadcasterTargets */

src/network/mcpe/StandardPacketBroadcaster.php

@@ -23,6 +23,7 @@ declare(strict_types=1);
 
 namespace pocketmine\network\mcpe;
 
+use pocketmine\event\server\DataPacketSendEvent;
 use pocketmine\network\mcpe\protocol\serializer\PacketBatch;
 use pocketmine\network\mcpe\protocol\serializer\PacketSerializer;
 use pocketmine\network\mcpe\protocol\serializer\PacketSerializerContext;
@@ -41,6 +42,15 @@ final class StandardPacketBroadcaster implements PacketBroadcaster{
 	){}
 
 	public function broadcastPackets(array $recipients, array $packets) : void{
+		//TODO: this shouldn't really be called here, since the broadcaster might be replaced by an alternative
+		//implementation that doesn't fire events
+		$ev = new DataPacketSendEvent($recipients, $packets);
+		$ev->call();
+		if($ev->isCancelled()){
+			return;
+		}
+		$packets = $ev->getPackets();
+
 		$compressors = [];
 
 		/** @var NetworkSession[][] $targetsByCompressor */

src/network/mcpe/handler/ItemStackRequestExecutor.php

@@ -147,6 +147,11 @@ class ItemStackRequestExecutor{
 	 * @throws ItemStackRequestProcessException
 	 */
 	protected function removeItemFromSlot(ItemStackRequestSlotInfo $slotInfo, int $count) : Item{
+		if($slotInfo->getContainerId() === ContainerUIIds::CREATED_OUTPUT && $slotInfo->getSlotId() === UIInventorySlotOffset::CREATED_ITEM_OUTPUT){
+			//special case for the "created item" output slot
+			//TODO: do we need to send a response for this slot info?
+			return $this->takeCreatedItem($count);
+		}
 		$this->requestSlotInfos[] = $slotInfo;
 		[$inventory, $slot] = $this->getBuilderInventoryAndSlot($slotInfo);
 		if($count < 1){
@@ -188,6 +193,13 @@ class ItemStackRequestExecutor{
 		$inventory->setItem($slot, $newItem);
 	}
 
+	protected function dropItem(Item $item, int $count) : void{
+		if($count < 1){
+			throw new ItemStackRequestProcessException("Cannot drop less than 1 of an item");
+		}
+		$this->builder->addAction(new DropItemAction((clone $item)->setCount($count)));
+	}
+
 	/**
 	 * @throws ItemStackRequestProcessException
 	 */
@@ -254,7 +266,7 @@ class ItemStackRequestExecutor{
 	/**
 	 * @throws ItemStackRequestProcessException
 	 */
-	protected function takeCreatedItem(ItemStackRequestSlotInfo $destination, int $count) : void{
+	protected function takeCreatedItem(int $count) : Item{
 		if($count < 1){
 			//this should be impossible at the protocol level, but in case of buggy core code this will prevent exploits
 			throw new ItemStackRequestProcessException("Cannot take less than 1 created item");
@@ -272,10 +284,12 @@ class ItemStackRequestExecutor{
 		}
 
 		$this->createdItemsTakenCount += $count;
-		$this->addItemToSlot($destination, $createdItem, $count);
+		$createdItem = clone $createdItem;
+		$createdItem->setCount($count);
 		if(!$this->createdItemFromCreativeInventory && $this->createdItemsTakenCount >= $createdItem->getCount()){
 			$this->setNextCreatedItem(null);
 		}
+		return $createdItem;
 	}
 
 	/**
@@ -299,14 +313,7 @@ class ItemStackRequestExecutor{
 			$action instanceof TakeStackRequestAction ||
 			$action instanceof PlaceStackRequestAction
 		){
-			$source = $action->getSource();
-			$destination = $action->getDestination();
-
-			if($source->getContainerId() === ContainerUIIds::CREATED_OUTPUT && $source->getSlotId() === UIInventorySlotOffset::CREATED_ITEM_OUTPUT){
-				$this->takeCreatedItem($destination, $action->getCount());
-			}else{
-				$this->transferItems($source, $destination, $action->getCount());
-			}
+			$this->transferItems($action->getSource(), $action->getDestination(), $action->getCount());
 		}elseif($action instanceof SwapStackRequestAction){
 			$this->requestSlotInfos[] = $action->getSlot1();
 			$this->requestSlotInfos[] = $action->getSlot2();