HandshakePacketHandler no longer depends on NetworkSession

src/network/mcpe/NetworkSession.php

@@ -548,7 +548,9 @@ class NetworkSession{
 
 					$this->cipher = new NetworkCipher($encryptionKey);
 
-					$this->setHandler(new HandshakePacketHandler($this));
+					$this->setHandler(new HandshakePacketHandler(function() : void{
+						$this->onLoginSuccess();
+					}));
 					$this->logger->debug("Enabled encryption");
 				}));
 			}else{
@@ -557,7 +559,7 @@ class NetworkSession{
 		}
 	}
 
-	public function onLoginSuccess() : void{
+	private function onLoginSuccess() : void{
 		$this->loggedIn = true;
 
 		$this->sendDataPacket(PlayStatusPacket::create(PlayStatusPacket::LOGIN_SUCCESS));

src/network/mcpe/handler/HandshakePacketHandler.php

@@ -23,7 +23,6 @@ declare(strict_types=1);
 
 namespace pocketmine\network\mcpe\handler;
 
-use pocketmine\network\mcpe\NetworkSession;
 use pocketmine\network\mcpe\protocol\ClientToServerHandshakePacket;
 
 /**
@@ -31,15 +30,21 @@ use pocketmine\network\mcpe\protocol\ClientToServerHandshakePacket;
  */
 class HandshakePacketHandler extends PacketHandler{
 
-	/** @var NetworkSession */
+	/**
-	private $session;
+	 * @var \Closure
+	 * @phpstan-var \Closure() : void
+	 */
+	private $onHandshakeCompleted;
 
-	public function __construct(NetworkSession $session){
+	/**
-		$this->session = $session;
+	 * @phpstan-param \Closure() : void $onHandshakeCompleted
+	 */
+	public function __construct(\Closure $onHandshakeCompleted){
+		$this->onHandshakeCompleted = $onHandshakeCompleted;
 	}
 
 	public function handleClientToServerHandshake(ClientToServerHandshakePacket $packet) : bool{
-		$this->session->onLoginSuccess();
+		($this->onHandshakeCompleted)();
 		return true;
 	}
 }

src/world/biome/BiomeRegistry.php

@@ -0,0 +1,69 @@
+<?php
+
+/*
+ *
+ *  ____            _        _   __  __ _                  __  __ ____
+ * |  _ \ ___   ___| | _____| |_|  \/  (_)_ __   ___      |  \/  |  _ \
+ * | |_) / _ \ / __| |/ / _ \ __| |\/| | | '_ \ / _ \_____| |\/| | |_) |
+ * |  __/ (_) | (__|   <  __/ |_| |  | | | | | |  __/_____| |  | |  __/
+ * |_|   \___/ \___|_|\_\___|\__|_|  |_|_|_| |_|\___|     |_|  |_|_|
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * @author PocketMine Team
+ * @link http://www.pocketmine.net/
+ *
+ *
+*/
+
+declare(strict_types=1);
+
+namespace pocketmine\world\biome;
+
+use pocketmine\block\utils\TreeType;
+use pocketmine\utils\SingletonTrait;
+
+final class BiomeRegistry{
+	use SingletonTrait;
+
+	/**
+	 * @var Biome[]|\SplFixedArray
+	 * @phpstan-var \SplFixedArray<Biome>
+	 */
+	private $biomes;
+
+	public function __construct(){
+		$this->biomes = new \SplFixedArray(Biome::MAX_BIOMES);
+
+		$this->register(Biome::OCEAN, new OceanBiome());
+		$this->register(Biome::PLAINS, new PlainBiome());
+		$this->register(Biome::DESERT, new DesertBiome());
+		$this->register(Biome::MOUNTAINS, new MountainsBiome());
+		$this->register(Biome::FOREST, new ForestBiome());
+		$this->register(Biome::TAIGA, new TaigaBiome());
+		$this->register(Biome::SWAMP, new SwampBiome());
+		$this->register(Biome::RIVER, new RiverBiome());
+
+		$this->register(Biome::ICE_PLAINS, new IcePlainsBiome());
+
+		$this->register(Biome::SMALL_MOUNTAINS, new SmallMountainsBiome());
+
+		$this->register(Biome::BIRCH_FOREST, new ForestBiome(TreeType::BIRCH()));
+	}
+
+	public function register(int $id, Biome $biome) : void{
+		$this->biomes[$id] = $biome;
+		$biome->setId($id);
+	}
+
+	public function getBiome(int $id) : Biome{
+		if($this->biomes[$id] === null){
+			$this->register($id, new UnknownBiome());
+		}
+
+		return $this->biomes[$id];
+	}
+}