diff --git a/src/pocketmine/Player.php b/src/pocketmine/Player.php
index fe55ae54d..38d63509b 100644
--- a/src/pocketmine/Player.php
+++ b/src/pocketmine/Player.php
@@ -1134,9 +1134,7 @@ class Player extends Human implements CommandSender, InventoryHolder, IPlayer{
 					$pk->pitch = $this->pitch;
 					$pk->bodyYaw = $this->yaw;
 
-					foreach($this->hasSpawned as $player){
-						$player->dataPacket($pk);
-					}
+					Server::broadcastPacket($this->hasSpawned, $pk);
 				}
 			}
 		}
diff --git a/src/pocketmine/Server.php b/src/pocketmine/Server.php
index 21c49ad22..26fc04d52 100644
--- a/src/pocketmine/Server.php
+++ b/src/pocketmine/Server.php
@@ -1692,8 +1692,10 @@ class Server{
 	 * @param DataPacket $packet
 	 */
 	public static function broadcastPacket(array $players, DataPacket $packet){
+		$packet->encode();
+		$packet->isEncoded = true;
 		foreach($players as $player){
-			$player->dataPacket(clone $packet);
+			$player->dataPacket($packet);
 		}
 	}
 
diff --git a/src/pocketmine/entity/Entity.php b/src/pocketmine/entity/Entity.php
index 1e7fe8a48..ebf1bd73a 100644
--- a/src/pocketmine/entity/Entity.php
+++ b/src/pocketmine/entity/Entity.php
@@ -273,6 +273,8 @@ abstract class Entity extends Location implements Metadatable{
 		$pk = new SetEntityDataPacket();
 		$pk->eid = $this->id;
 		$pk->metadata = $this->getData();
+		$pk->encode();
+		$pk->isEncoded = true;
 		foreach($player as $p){
 			if($p === $this){
 				/** @var Player $p */
@@ -546,9 +548,7 @@ abstract class Entity extends Location implements Metadatable{
 				];
 			}
 
-			foreach($this->hasSpawned as $player){
-				$player->dataPacket($pk);
-			}
+			Server::broadcastPacket($this->hasSpawned, $pk);
 		}
 
 		if(($this->lastMotionX != $this->motionX or $this->lastMotionY != $this->motionY or $this->lastMotionZ != $this->motionZ)){
@@ -560,9 +560,8 @@ abstract class Entity extends Location implements Metadatable{
 			$pk->entities = [
 				[$this->getID(), $this->motionX, $this->motionY, $this->motionZ]
 			];
-			foreach($this->hasSpawned as $player){
-				$player->dataPacket($pk);
-			}
+
+			Server::broadcastPacket($this->hasSpawned, $pk);
 
 			if($this instanceof Player){
 				$this->motionX = 0;
diff --git a/src/pocketmine/inventory/BaseInventory.php b/src/pocketmine/inventory/BaseInventory.php
index 6b6e50737..14c5ae64b 100644
--- a/src/pocketmine/inventory/BaseInventory.php
+++ b/src/pocketmine/inventory/BaseInventory.php
@@ -388,6 +388,8 @@ abstract class BaseInventory implements Inventory{
 		for($i = 0; $i < $this->getSize(); ++$i){
 			$pk->slots[$i] = $this->getItem($i);
 		}
+		$pk->isEncoded = true;
+		$pk->encode();
 
 		foreach($target as $player){
 			if(($id = $player->getWindowId($this)) === -1 or $player->spawned !== true){
@@ -395,7 +397,7 @@ abstract class BaseInventory implements Inventory{
 				continue;
 			}
 			$pk->windowid = $id;
-			$player->dataPacket(clone $pk);
+			$player->dataPacket($pk);
 		}
 	}
 
@@ -411,6 +413,8 @@ abstract class BaseInventory implements Inventory{
 		$pk = new ContainerSetSlotPacket;
 		$pk->slot = $index;
 		$pk->item = clone $this->getItem($index);
+		$pk->encode();
+		$pk->isEncoded = true;
 
 		foreach($target as $player){
 			if(($id = $player->getWindowId($this)) === -1){
@@ -418,7 +422,7 @@ abstract class BaseInventory implements Inventory{
 				continue;
 			}
 			$pk->windowid = $id;
-			$player->dataPacket(clone $pk);
+			$player->dataPacket($pk);
 		}
 	}
 
diff --git a/src/pocketmine/inventory/PlayerInventory.php b/src/pocketmine/inventory/PlayerInventory.php
index 7fec0bdeb..ec1ee6be7 100644
--- a/src/pocketmine/inventory/PlayerInventory.php
+++ b/src/pocketmine/inventory/PlayerInventory.php
@@ -72,9 +72,7 @@ class PlayerInventory extends BaseInventory{
 			$pk->meta = $item->getDamage();
 			$pk->slot = $this->getHeldItemIndex();
 
-			foreach($this->getHolder()->getViewers() as $player){
-				$player->dataPacket(clone $pk);
-			}
+			Server::broadcastPacket($this->getHolder()->getViewers(), $pk);
 		}
 	}
 
@@ -133,6 +131,8 @@ class PlayerInventory extends BaseInventory{
 		$pk->item = $item->getID();
 		$pk->meta = $item->getDamage();
 		$pk->slot = 0;
+		$pk->isEncoded = true;
+		$pk->encode();
 
 		foreach($target as $player){
 			if($player === $this->getHolder()){
@@ -140,7 +140,7 @@ class PlayerInventory extends BaseInventory{
 				//$this->sendSlot($this->getHeldItemSlot());
 				$this->sendContents($player);
 			}else{
-				$player->dataPacket(clone $pk);
+				$player->dataPacket($pk);
 			}
 		}
 	}
@@ -289,6 +289,8 @@ class PlayerInventory extends BaseInventory{
 		$pk = new PlayerArmorEquipmentPacket;
 		$pk->eid = $this->getHolder()->getID();
 		$pk->slots = $slots;
+		$pk->encode();
+		$pk->isEncoded = true;
 
 		foreach($target as $player){
 			if($player === $this->getHolder()){
@@ -301,7 +303,7 @@ class PlayerInventory extends BaseInventory{
 				$pk2->slots = $armor;
 				$player->dataPacket($pk2);
 			}else{
-				$player->dataPacket(clone $pk);
+				$player->dataPacket($pk);
 			}
 		}
 	}
diff --git a/src/pocketmine/level/Level.php b/src/pocketmine/level/Level.php
index ac40c4e21..24679a93c 100644
--- a/src/pocketmine/level/Level.php
+++ b/src/pocketmine/level/Level.php
@@ -434,9 +434,8 @@ class Level implements ChunkManager, Metadatable{
 		$pk = new SetTimePacket;
 		$pk->time = (int) $this->time;
 		$pk->started = $this->stopTime == false;
-		foreach($this->players as $player){
-			$player->dataPacket($pk);
-		}
+
+		Server::broadcastPacket($this->players, $pk);
 	}
 
 	/**
@@ -535,9 +534,7 @@ class Level implements ChunkManager, Metadatable{
 								$pk->z = $b->z;
 								$pk->block = $b->getID();
 								$pk->meta = $b->getDamage();
-								foreach($this->getUsingChunk($b->x >> 4, $b->z >> 4) as $player){
-									$player->dataPacket($pk);
-								}
+								Server::broadcastPacket($this->getUsingChunk($b->x >> 4, $b->z >> 4), $pk);
 							}
 						}
 					}
@@ -945,10 +942,7 @@ class Level implements ChunkManager, Metadatable{
 				$pk->block = $block->getID();
 				$pk->meta = $block->getDamage();
 
-				foreach($this->getUsingChunk($pos->x >> 4, $pos->z >> 4) as $player){
-					/** @var Player $player */
-					$player->dataPacket($pk);
-				}
+				Server::broadcastPacket($this->getUsingChunk($pos->x >> 4, $pos->z >> 4), $pk);
 			/*}else{
 				if(!($pos instanceof Position)){
 					$pos = new Position($pos->x, $pos->y, $pos->z, $this);
diff --git a/src/pocketmine/network/RakLibInterface.php b/src/pocketmine/network/RakLibInterface.php
index ac42cc546..76d660a30 100644
--- a/src/pocketmine/network/RakLibInterface.php
+++ b/src/pocketmine/network/RakLibInterface.php
@@ -215,7 +215,9 @@ class RakLibInterface implements ServerInstance, SourceInterface{
 	public function putPacket(Player $player, DataPacket $packet, $needACK = false, $immediate = false){
 		if(isset($this->identifiers[$player])){
 			$identifier = $this->identifiers[$player];
-			$packet->encode();
+			if(!$packet->isEncoded){
+				$packet->encode();
+			}
 			$pk = new EncapsulatedPacket();
 			$pk->buffer = $packet->buffer;
 			$pk->reliability = 2;
diff --git a/src/pocketmine/network/protocol/DataPacket.php b/src/pocketmine/network/protocol/DataPacket.php
index 3a13eebcd..8ee9b9601 100644
--- a/src/pocketmine/network/protocol/DataPacket.php
+++ b/src/pocketmine/network/protocol/DataPacket.php
@@ -27,6 +27,7 @@ use pocketmine\utils\Binary;
 abstract class DataPacket extends \stdClass{
 	private $offset = 0;
 	public $buffer = "";
+	public $isEncoded = false;
 
 	abstract public function pid();