<?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;

use pocketmine\block\Bed;
use pocketmine\block\Block;
use pocketmine\block\BlockFactory;
use pocketmine\command\Command;
use pocketmine\command\CommandSender;
use pocketmine\entity\Arrow;
use pocketmine\entity\Effect;
use pocketmine\entity\Entity;
use pocketmine\entity\Human;
use pocketmine\entity\Item as DroppedItem;
use pocketmine\entity\Living;
use pocketmine\event\entity\EntityDamageByBlockEvent;
use pocketmine\event\entity\EntityDamageByEntityEvent;
use pocketmine\event\entity\EntityDamageEvent;
use pocketmine\event\inventory\CraftItemEvent;
use pocketmine\event\inventory\InventoryCloseEvent;
use pocketmine\event\inventory\InventoryPickupArrowEvent;
use pocketmine\event\inventory\InventoryPickupItemEvent;
use pocketmine\event\player\cheat\PlayerIllegalMoveEvent;
use pocketmine\event\player\PlayerAchievementAwardedEvent;
use pocketmine\event\player\PlayerAnimationEvent;
use pocketmine\event\player\PlayerBedEnterEvent;
use pocketmine\event\player\PlayerBedLeaveEvent;
use pocketmine\event\player\PlayerChatEvent;
use pocketmine\event\player\PlayerCommandPreprocessEvent;
use pocketmine\event\player\PlayerDeathEvent;
use pocketmine\event\player\PlayerDropItemEvent;
use pocketmine\event\player\PlayerExhaustEvent;
use pocketmine\event\player\PlayerGameModeChangeEvent;
use pocketmine\event\player\PlayerInteractEvent;
use pocketmine\event\player\PlayerItemConsumeEvent;
use pocketmine\event\player\PlayerJoinEvent;
use pocketmine\event\player\PlayerJumpEvent;
use pocketmine\event\player\PlayerKickEvent;
use pocketmine\event\player\PlayerLoginEvent;
use pocketmine\event\player\PlayerMoveEvent;
use pocketmine\event\player\PlayerPreLoginEvent;
use pocketmine\event\player\PlayerQuitEvent;
use pocketmine\event\player\PlayerRespawnEvent;
use pocketmine\event\player\PlayerToggleFlightEvent;
use pocketmine\event\player\PlayerToggleSneakEvent;
use pocketmine\event\player\PlayerToggleSprintEvent;
use pocketmine\event\player\PlayerTransferEvent;
use pocketmine\event\server\DataPacketSendEvent;
use pocketmine\event\TextContainer;
use pocketmine\event\Timings;
use pocketmine\event\TranslationContainer;
use pocketmine\inventory\BigCraftingGrid;
use pocketmine\inventory\BigShapedRecipe;
use pocketmine\inventory\BigShapelessRecipe;
use pocketmine\inventory\CraftingGrid;
use pocketmine\inventory\FurnaceInventory;
use pocketmine\inventory\Inventory;
use pocketmine\inventory\PlayerCursorInventory;
use pocketmine\inventory\PlayerInventory;
use pocketmine\inventory\ShapedRecipe;
use pocketmine\inventory\ShapelessRecipe;
use pocketmine\inventory\transaction\action\InventoryAction;
use pocketmine\inventory\transaction\SimpleInventoryTransaction;
use pocketmine\item\Item;
use pocketmine\item\ItemFactory;
use pocketmine\level\ChunkLoader;
use pocketmine\level\format\Chunk;
use pocketmine\level\Level;
use pocketmine\level\Location;
use pocketmine\level\Position;
use pocketmine\level\WeakPosition;
use pocketmine\math\AxisAlignedBB;
use pocketmine\math\Vector2;
use pocketmine\math\Vector3;
use pocketmine\metadata\MetadataValue;
use pocketmine\nbt\NBT;
use pocketmine\nbt\tag\ByteTag;
use pocketmine\nbt\tag\CompoundTag;
use pocketmine\nbt\tag\IntTag;
use pocketmine\nbt\tag\LongTag;
use pocketmine\nbt\tag\StringTag;
use pocketmine\network\mcpe\PlayerNetworkSessionAdapter;
use pocketmine\network\mcpe\protocol\AdventureSettingsPacket;
use pocketmine\network\mcpe\protocol\AnimatePacket;
use pocketmine\network\mcpe\protocol\AvailableCommandsPacket;
use pocketmine\network\mcpe\protocol\BatchPacket;
use pocketmine\network\mcpe\protocol\BlockEntityDataPacket;
use pocketmine\network\mcpe\protocol\BlockPickRequestPacket;
use pocketmine\network\mcpe\protocol\BossEventPacket;
use pocketmine\network\mcpe\protocol\ChunkRadiusUpdatedPacket;
use pocketmine\network\mcpe\protocol\ClientToServerHandshakePacket;
use pocketmine\network\mcpe\protocol\CommandBlockUpdatePacket;
use pocketmine\network\mcpe\protocol\ContainerClosePacket;
use pocketmine\network\mcpe\protocol\CraftingEventPacket;
use pocketmine\network\mcpe\protocol\DataPacket;
use pocketmine\network\mcpe\protocol\DisconnectPacket;
use pocketmine\network\mcpe\protocol\EntityEventPacket;
use pocketmine\network\mcpe\protocol\InteractPacket;
use pocketmine\network\mcpe\protocol\InventoryTransactionPacket;
use pocketmine\network\mcpe\protocol\ItemFrameDropItemPacket;
use pocketmine\network\mcpe\protocol\LevelEventPacket;
use pocketmine\network\mcpe\protocol\LevelSoundEventPacket;
use pocketmine\network\mcpe\protocol\LoginPacket;
use pocketmine\network\mcpe\protocol\MapInfoRequestPacket;
use pocketmine\network\mcpe\protocol\MobEquipmentPacket;
use pocketmine\network\mcpe\protocol\MovePlayerPacket;
use pocketmine\network\mcpe\protocol\PlayerActionPacket;
use pocketmine\network\mcpe\protocol\PlayerHotbarPacket;
use pocketmine\network\mcpe\protocol\PlayerInputPacket;
use pocketmine\network\mcpe\protocol\PlayStatusPacket;
use pocketmine\network\mcpe\protocol\ProtocolInfo;
use pocketmine\network\mcpe\protocol\RequestChunkRadiusPacket;
use pocketmine\network\mcpe\protocol\ResourcePackChunkDataPacket;
use pocketmine\network\mcpe\protocol\ResourcePackChunkRequestPacket;
use pocketmine\network\mcpe\protocol\ResourcePackClientResponsePacket;
use pocketmine\network\mcpe\protocol\ResourcePackDataInfoPacket;
use pocketmine\network\mcpe\protocol\ResourcePacksInfoPacket;
use pocketmine\network\mcpe\protocol\ResourcePackStackPacket;
use pocketmine\network\mcpe\protocol\RespawnPacket;
use pocketmine\network\mcpe\protocol\SetPlayerGameTypePacket;
use pocketmine\network\mcpe\protocol\SetSpawnPositionPacket;
use pocketmine\network\mcpe\protocol\SetTitlePacket;
use pocketmine\network\mcpe\protocol\ShowCreditsPacket;
use pocketmine\network\mcpe\protocol\SpawnExperienceOrbPacket;
use pocketmine\network\mcpe\protocol\StartGamePacket;
use pocketmine\network\mcpe\protocol\TakeItemEntityPacket;
use pocketmine\network\mcpe\protocol\TextPacket;
use pocketmine\network\mcpe\protocol\TransferPacket;
use pocketmine\network\mcpe\protocol\types\ContainerIds;
use pocketmine\network\mcpe\protocol\types\DimensionIds;
use pocketmine\network\mcpe\protocol\types\PlayerPermissions;
use pocketmine\network\mcpe\protocol\UpdateAttributesPacket;
use pocketmine\network\mcpe\protocol\UpdateBlockPacket;
use pocketmine\network\SourceInterface;
use pocketmine\permission\PermissibleBase;
use pocketmine\permission\PermissionAttachment;
use pocketmine\permission\PermissionAttachmentInfo;
use pocketmine\plugin\Plugin;
use pocketmine\resourcepacks\ResourcePack;
use pocketmine\tile\ItemFrame;
use pocketmine\tile\Spawnable;
use pocketmine\tile\Tile;
use pocketmine\utils\MainLogger;
use pocketmine\utils\TextFormat;
use pocketmine\utils\UUID;


/**
 * Main class that handles networking, recovery, and packet sending to the server part
 */
class Player extends Human implements CommandSender, ChunkLoader, IPlayer{

	const SURVIVAL = 0;
	const CREATIVE = 1;
	const ADVENTURE = 2;
	const SPECTATOR = 3;
	const VIEW = Player::SPECTATOR;

	/**
	 * Checks a supplied username and checks it is valid.
	 * @param string $name
	 *
	 * @return bool
	 */
	public static function isValidUserName(string $name) : bool{
		$lname = strtolower($name);
		$len = strlen($name);
		return $lname !== "rcon" and $lname !== "console" and $len >= 1 and $len <= 16 and preg_match("/[^A-Za-z0-9_ ]/", $name) === 0;
	}

	/**
	 * Checks the length of a supplied skin bitmap and returns whether the length is valid.
	 * @param string $skin
	 *
	 * @return bool
	 */
	public static function isValidSkin(string $skin) : bool{
		return strlen($skin) === 64 * 64 * 4 or strlen($skin) === 64 * 32 * 4;
	}

	/** @var SourceInterface */
	protected $interface;

	/**
	 * @var PlayerNetworkSessionAdapter
	 * TODO: remove this once player and network are divorced properly
	 */
	protected $sessionAdapter;

	/** @var bool */
	public $playedBefore;
	public $spawned = false;
	public $loggedIn = false;
	public $joined = false;
	public $gamemode;
	public $lastBreak;

	protected $windowCnt = 2;
	/** @var \SplObjectStorage<Inventory> */
	protected $windows;
	/** @var Inventory[] */
	protected $windowIndex = [];
	/** @var bool[] */
	protected $permanentWindows = [];

	protected $messageCounter = 2;

	private $clientSecret;

	/** @var Vector3 */
	public $speed = null;

	public $achievements = [];

	public $craftingType = 0; //0 = 2x2 crafting, 1 = 3x3 crafting, 2 = stonecutter

	/** @var PlayerCursorInventory */
	protected $cursorInventory;

	/** @var CraftingGrid */
	protected $craftingGrid = null;

	public $creationTime = 0;

	protected $randomClientId;

	protected $connected = true;
	protected $ip;
	protected $removeFormat = true;
	protected $port;
	protected $username = "";
	protected $iusername = "";
	protected $displayName = "";
	protected $startAction = -1;
	/** @var Vector3|null */
	protected $sleeping = null;
	protected $clientID = null;

	private $loaderId = 0;

	protected $stepHeight = 0.6;

	public $usedChunks = [];
	protected $chunkLoadCount = 0;
	protected $loadQueue = [];
	protected $nextChunkOrderRun = 5;

	/** @var Player[] */
	protected $hiddenPlayers = [];

	/** @var Vector3|null */
	protected $newPosition;

	/** @var bool */
	protected $isTeleporting = false;

	protected $viewDistance = -1;
	protected $chunksPerTick;
	protected $spawnThreshold;
	/** @var null|WeakPosition */
	private $spawnPosition = null;

	protected $inAirTicks = 0;
	protected $startAirTicks = 5;

	//TODO: Abilities
	protected $autoJump = true;
	protected $allowFlight = false;
	protected $flying = false;

	protected $allowMovementCheats = false;
	protected $allowInstaBreak = false;

	private $needACK = [];

	private $batchedPackets = [];

	/** @var PermissibleBase */
	private $perm = null;

	/** @var int|null */
	protected $lineHeight = null;

	/**
	 * @return TranslationContainer|string
	 */
	public function getLeaveMessage(){
		if($this->joined){
			return new TranslationContainer(TextFormat::YELLOW . "%multiplayer.player.left", [
				$this->getDisplayName()
			]);
		}

		return "";
	}

	/**
	 * This might disappear in the future.
	 * Please use getUniqueId() instead (IP + clientId + name combo, in the future it'll change to real UUID for online
	 * auth)
	 *
	 * @deprecated
	 *
	 */
	public function getClientId(){
		return $this->randomClientId;
	}

	public function getClientSecret(){
		return $this->clientSecret;
	}

	public function isBanned() : bool{
		return $this->server->getNameBans()->isBanned($this->iusername);
	}

	public function setBanned(bool $value){
		if($value === true){
			$this->server->getNameBans()->addBan($this->getName(), null, null, null);
			$this->kick("You have been banned");
		}else{
			$this->server->getNameBans()->remove($this->getName());
		}
	}

	public function isWhitelisted() : bool{
		return $this->server->isWhitelisted($this->iusername);
	}

	public function setWhitelisted(bool $value){
		if($value === true){
			$this->server->addWhitelist($this->iusername);
		}else{
			$this->server->removeWhitelist($this->iusername);
		}
	}

	public function getPlayer(){
		return $this;
	}

	public function getFirstPlayed(){
		return $this->namedtag instanceof CompoundTag ? $this->namedtag["firstPlayed"] : null;
	}

	public function getLastPlayed(){
		return $this->namedtag instanceof CompoundTag ? $this->namedtag["lastPlayed"] : null;
	}

	public function hasPlayedBefore() : bool{
		return $this->playedBefore;
	}

	public function setAllowFlight(bool $value){
		$this->allowFlight = $value;
		$this->sendSettings();
	}

	public function getAllowFlight() : bool{
		return $this->allowFlight;
	}

	public function setFlying(bool $value){
		$this->flying = $value;
		$this->sendSettings();
	}

	public function isFlying() : bool{
		return $this->flying;
	}

	public function setAutoJump(bool $value){
		$this->autoJump = $value;
		$this->sendSettings();
	}

	public function hasAutoJump() : bool{
		return $this->autoJump;
	}

	public function allowMovementCheats() : bool{
		return $this->allowMovementCheats;
	}

	public function setAllowMovementCheats(bool $value = false){
		$this->allowMovementCheats = $value;
	}

	public function allowInstaBreak() : bool{
		return $this->allowInstaBreak;
	}

	public function setAllowInstaBreak(bool $value = false){
		$this->allowInstaBreak = $value;
	}

	/**
	 * @param Player $player
	 */
	public function spawnTo(Player $player){
		if($this->spawned and $player->spawned and $this->isAlive() and $player->isAlive() and $player->getLevel() === $this->level and $player->canSee($this) and !$this->isSpectator()){
			parent::spawnTo($player);
		}
	}

	/**
	 * @return Server
	 */
	public function getServer(){
		return $this->server;
	}

	/**
	 * @return bool
	 */
	public function getRemoveFormat() : bool{
		return $this->removeFormat;
	}

	/**
	 * @param bool $remove
	 */
	public function setRemoveFormat(bool $remove = true){
		$this->removeFormat = $remove;
	}

	public function getScreenLineHeight() : int{
		return $this->lineHeight ?? 7;
	}

	public function setScreenLineHeight(int $height = null){
		if($height !== null and $height < 1){
			throw new \InvalidArgumentException("Line height must be at least 1");
		}
		$this->lineHeight = $height;
	}

	/**
	 * @param Player $player
	 *
	 * @return bool
	 */
	public function canSee(Player $player) : bool{
		return !isset($this->hiddenPlayers[$player->getRawUniqueId()]);
	}

	/**
	 * @param Player $player
	 */
	public function hidePlayer(Player $player){
		if($player === $this){
			return;
		}
		$this->hiddenPlayers[$player->getRawUniqueId()] = $player;
		$player->despawnFrom($this);
	}

	/**
	 * @param Player $player
	 */
	public function showPlayer(Player $player){
		if($player === $this){
			return;
		}
		unset($this->hiddenPlayers[$player->getRawUniqueId()]);
		if($player->isOnline()){
			$player->spawnTo($this);
		}
	}

	public function canCollideWith(Entity $entity) : bool{
		return false;
	}

	public function resetFallDistance(){
		parent::resetFallDistance();
		if($this->inAirTicks !== 0){
			$this->startAirTicks = 5;
		}
		$this->inAirTicks = 0;
	}

	public function getViewDistance() : int{
		return $this->viewDistance;
	}

	public function setViewDistance(int $distance){
		$this->viewDistance = $this->server->getAllowedViewDistance($distance);

		$this->spawnThreshold = (int) (min($this->viewDistance, $this->server->getProperty("chunk-sending.spawn-radius", 4)) ** 2 * M_PI);

		$pk = new ChunkRadiusUpdatedPacket();
		$pk->radius = $this->viewDistance;
		$this->dataPacket($pk);

		$this->server->getLogger()->debug("Setting view distance for " . $this->getName() . " to " . $this->viewDistance . " (requested " . $distance . ")");
	}

	/**
	 * @return bool
	 */
	public function isOnline() : bool{
		return $this->connected === true and $this->loggedIn === true;
	}

	/**
	 * @return bool
	 */
	public function isOp() : bool{
		return $this->server->isOp($this->getName());
	}

	/**
	 * @param bool $value
	 */
	public function setOp(bool $value){
		if($value === $this->isOp()){
			return;
		}

		if($value === true){
			$this->server->addOp($this->getName());
		}else{
			$this->server->removeOp($this->getName());
		}

		$this->sendSettings();
	}

	/**
	 * @param permission\Permission|string $name
	 *
	 * @return bool
	 */
	public function isPermissionSet($name) : bool{
		return $this->perm->isPermissionSet($name);
	}

	/**
	 * @param permission\Permission|string $name
	 *
	 * @return bool
	 *
	 * @throws \InvalidStateException if the player is closed
	 */
	public function hasPermission($name) : bool{
		if($this->closed){
			throw new \InvalidStateException("Trying to get permissions of closed player");
		}
		return $this->perm->hasPermission($name);
	}

	/**
	 * @param Plugin $plugin
	 * @param string $name
	 * @param bool $value
	 *
	 * @return PermissionAttachment
	 */
	public function addAttachment(Plugin $plugin, string $name = null, bool $value = null) : PermissionAttachment{
		return $this->perm->addAttachment($plugin, $name, $value);
	}

	/**
	 * @param PermissionAttachment $attachment
	 */
	public function removeAttachment(PermissionAttachment $attachment){
		$this->perm->removeAttachment($attachment);
	}

	public function recalculatePermissions(){
		$this->server->getPluginManager()->unsubscribeFromPermission(Server::BROADCAST_CHANNEL_USERS, $this);
		$this->server->getPluginManager()->unsubscribeFromPermission(Server::BROADCAST_CHANNEL_ADMINISTRATIVE, $this);

		if($this->perm === null){
			return;
		}

		$this->perm->recalculatePermissions();

		if($this->hasPermission(Server::BROADCAST_CHANNEL_USERS)){
			$this->server->getPluginManager()->subscribeToPermission(Server::BROADCAST_CHANNEL_USERS, $this);
		}
		if($this->hasPermission(Server::BROADCAST_CHANNEL_ADMINISTRATIVE)){
			$this->server->getPluginManager()->subscribeToPermission(Server::BROADCAST_CHANNEL_ADMINISTRATIVE, $this);
		}

		$this->sendCommandData();
	}

	/**
	 * @return PermissionAttachmentInfo[]
	 */
	public function getEffectivePermissions() : array{
		return $this->perm->getEffectivePermissions();
	}

	public function sendCommandData(){
		//TODO: this needs fixing
		/*
		$data = [];
		foreach($this->server->getCommandMap()->getCommands() as $command){
			if(count($cmdData = $command->generateCustomCommandData($this)) > 0){
				$data[$command->getName()]["versions"][0] = $cmdData;
			}
		}

		if(count($data) > 0){
			//TODO: structure checking
			$pk = new AvailableCommandsPacket();
			$pk->commands = json_encode($data);
			$this->dataPacket($pk);
		}*/

	}

	/**
	 * @param SourceInterface $interface
	 * @param null            $clientID
	 * @param string          $ip
	 * @param int             $port
	 */
	public function __construct(SourceInterface $interface, $clientID, string $ip, int $port){
		$this->interface = $interface;
		$this->windows = new \SplObjectStorage();
		$this->perm = new PermissibleBase($this);
		$this->namedtag = new CompoundTag();
		$this->server = Server::getInstance();
		$this->lastBreak = PHP_INT_MAX;
		$this->ip = $ip;
		$this->port = $port;
		$this->clientID = $clientID;
		$this->loaderId = Level::generateChunkLoaderId($this);
		$this->chunksPerTick = (int) $this->server->getProperty("chunk-sending.per-tick", 4);
		$this->spawnThreshold = (int) (($this->server->getProperty("chunk-sending.spawn-radius", 4) ** 2) * M_PI);
		$this->gamemode = $this->server->getGamemode();
		$this->setLevel($this->server->getDefaultLevel());
		$this->boundingBox = new AxisAlignedBB(0, 0, 0, 0, 0, 0);

		$this->uuid = null;
		$this->rawUUID = null;

		$this->creationTime = microtime(true);

		$this->allowMovementCheats = (bool) $this->server->getProperty("player.anti-cheat.allow-movement-cheats", false);
		$this->allowInstaBreak = (bool) $this->server->getProperty("player.anti-cheat.allow-instabreak", false);

		$this->sessionAdapter = new PlayerNetworkSessionAdapter($this->server, $this);
	}

	/**
	 * @param string $achievementId
	 */
	public function removeAchievement(string $achievementId){
		if($this->hasAchievement($achievementId)){
			$this->achievements[$achievementId] = false;
		}
	}

	/**
	 * @param string $achievementId
	 *
	 * @return bool
	 */
	public function hasAchievement(string $achievementId) : bool{
		if(!isset(Achievement::$list[$achievementId])){
			return false;
		}

		return isset($this->achievements[$achievementId]) and $this->achievements[$achievementId] !== false;
	}

	/**
	 * @return bool
	 */
	public function isConnected() : bool{
		return $this->connected === true;
	}

	/**
	 * Gets the "friendly" name to display of this player to use in the chat.
	 *
	 * @return string
	 */
	public function getDisplayName() : string{
		return $this->displayName;
	}

	/**
	 * @param string $name
	 */
	public function setDisplayName(string $name){
		$this->displayName = $name;
		if($this->spawned){
			$this->server->updatePlayerListData($this->getUniqueId(), $this->getId(), $this->getDisplayName(), $this->getSkinId(), $this->getSkinData());
		}
	}

	public function setSkin(string $str, string $skinId){
		parent::setSkin($str, $skinId);
		if($this->spawned){
			$this->server->updatePlayerListData($this->getUniqueId(), $this->getId(), $this->getDisplayName(), $skinId, $str);
		}
	}

	public function jump(){
		$this->server->getPluginManager()->callEvent(new PlayerJumpEvent($this));
		parent::jump();
	}

	/**
	 * Gets the player IP address
	 *
	 * @return string
	 */
	public function getAddress() : string{
		return $this->ip;
	}

	/**
	 * @return int
	 */
	public function getPort() : int{
		return $this->port;
	}

	/**
	 * @return Position
	 */
	public function getNextPosition() : Position{
		return $this->newPosition !== null ? Position::fromObject($this->newPosition, $this->level) : $this->getPosition();
	}

	/**
	 * @return bool
	 */
	public function isSleeping() : bool{
		return $this->sleeping !== null;
	}

	public function getInAirTicks() : int{
		return $this->inAirTicks;
	}

	/**
	 * Returns whether the player is currently using an item (right-click and hold).
	 * @return bool
	 */
	public function isUsingItem() : bool{
		return $this->getGenericFlag(self::DATA_FLAG_ACTION) and $this->startAction > -1;
	}

	public function setUsingItem(bool $value){
		$this->startAction = $value ? $this->server->getTick() : -1;
		$this->setGenericFlag(self::DATA_FLAG_ACTION, $value);
	}

	/**
	 * Returns how long the player has been using their currently-held item for. Used for determining arrow shoot force
	 * for bows.
	 *
	 * @return int
	 */
	public function getItemUseDuration() : int{
		return $this->startAction === -1 ? -1 : ($this->server->getTick() - $this->startAction);
	}

	protected function switchLevel(Level $targetLevel) : bool{
		$oldLevel = $this->level;
		if(parent::switchLevel($targetLevel)){
			foreach($this->usedChunks as $index => $d){
				Level::getXZ($index, $X, $Z);
				$this->unloadChunk($X, $Z, $oldLevel);
			}

			$this->usedChunks = [];
			$this->level->sendTime($this);

			return true;
		}

		return false;
	}

	private function unloadChunk(int $x, int $z, Level $level = null){
		$level = $level ?? $this->level;
		$index = Level::chunkHash($x, $z);
		if(isset($this->usedChunks[$index])){
			foreach($level->getChunkEntities($x, $z) as $entity){
				if($entity !== $this){
					$entity->despawnFrom($this);
				}
			}

			unset($this->usedChunks[$index]);
		}
		$level->unregisterChunkLoader($this, $x, $z);
		unset($this->loadQueue[$index]);
	}

	/**
	 * @return Position
	 */
	public function getSpawn(){
		if($this->hasValidSpawnPosition()){
			return $this->spawnPosition;
		}else{
			$level = $this->server->getDefaultLevel();

			return $level->getSafeSpawn();
		}
	}

	/**
	 * @return bool
	 */
	public function hasValidSpawnPosition() : bool{
		return $this->spawnPosition instanceof WeakPosition and $this->spawnPosition->isValid();
	}

	public function sendChunk(int $x, int $z, BatchPacket $payload){
		if($this->connected === false){
			return;
		}

		$this->usedChunks[Level::chunkHash($x, $z)] = true;
		$this->chunkLoadCount++;

		$this->dataPacket($payload);

		if($this->spawned){
			foreach($this->level->getChunkEntities($x, $z) as $entity){
				if($entity !== $this and !$entity->isClosed() and $entity->isAlive()){
					$entity->spawnTo($this);
				}
			}
		}

		if($this->chunkLoadCount >= $this->spawnThreshold and $this->spawned === false){
			$this->doFirstSpawn();
		}
	}

	protected function sendNextChunk(){
		if($this->connected === false){
			return;
		}

		Timings::$playerChunkSendTimer->startTiming();

		$count = 0;
		foreach($this->loadQueue as $index => $distance){
			if($count >= $this->chunksPerTick){
				break;
			}

			$X = null;
			$Z = null;
			Level::getXZ($index, $X, $Z);
			assert(is_int($X) and is_int($Z));

			++$count;

			$this->usedChunks[$index] = false;
			$this->level->registerChunkLoader($this, $X, $Z, false);

			if(!$this->level->populateChunk($X, $Z)){
				continue;
			}

			unset($this->loadQueue[$index]);
			$this->level->requestChunk($X, $Z, $this);
		}

		Timings::$playerChunkSendTimer->stopTiming();
	}

	protected function doFirstSpawn(){
		$this->spawned = true;

		$this->sendSettings();
		$this->sendPotionEffects($this);

		$this->sendData($this);
		$this->inventory->sendContents($this);
		$this->inventory->sendArmorContents($this);
		$this->inventory->sendHeldItem($this);

		$this->sendPlayStatus(PlayStatusPacket::PLAYER_SPAWN);

		if($this->hasPermission(Server::BROADCAST_CHANNEL_USERS)){
			$this->server->getPluginManager()->subscribeToPermission(Server::BROADCAST_CHANNEL_USERS, $this);
		}
		if($this->hasPermission(Server::BROADCAST_CHANNEL_ADMINISTRATIVE)){
			$this->server->getPluginManager()->subscribeToPermission(Server::BROADCAST_CHANNEL_ADMINISTRATIVE, $this);
		}

		$this->server->getPluginManager()->callEvent($ev = new PlayerJoinEvent($this,
			new TranslationContainer(TextFormat::YELLOW . "%multiplayer.player.joined", [
				$this->getDisplayName()
			])
		));
		if(strlen(trim((string) $ev->getJoinMessage())) > 0){
			$this->server->broadcastMessage($ev->getJoinMessage());
		}

		$this->noDamageTicks = 60;

		foreach($this->usedChunks as $index => $c){
			Level::getXZ($index, $chunkX, $chunkZ);
			foreach($this->level->getChunkEntities($chunkX, $chunkZ) as $entity){
				if($entity !== $this and !$entity->isClosed() and $entity->isAlive()){
					$entity->spawnTo($this);
				}
			}
		}

		$this->spawnToAll();

		if($this->server->getUpdater()->hasUpdate() and $this->hasPermission(Server::BROADCAST_CHANNEL_ADMINISTRATIVE) and $this->server->getProperty("auto-updater.on-update.warn-ops", true)){
			$this->server->getUpdater()->showPlayerUpdate($this);
		}

		if($this->getHealth() <= 0){
			$this->sendRespawnPacket($this->getSpawn());
		}

		$this->joined = true;
	}

	protected function sendRespawnPacket(Vector3 $pos){
		$pk = new RespawnPacket();
		$pk->position = $pos->add(0, $this->baseOffset, 0);

		$this->dataPacket($pk);
	}

	protected function orderChunks(){
		if($this->connected === false or $this->viewDistance === -1){
			return false;
		}

		Timings::$playerChunkOrderTimer->startTiming();

		$this->nextChunkOrderRun = 200;

		$radius = $this->server->getAllowedViewDistance($this->viewDistance);
		$radiusSquared = $radius ** 2;

		$newOrder = [];
		$unloadChunks = $this->usedChunks;

		$centerX = $this->x >> 4;
		$centerZ = $this->z >> 4;

		for($x = 0; $x < $radius; ++$x){
			for($z = 0; $z <= $x; ++$z){
				if(($x ** 2 + $z ** 2) > $radiusSquared){
					break; //skip to next band
				}

				//If the chunk is in the radius, others at the same offsets in different quadrants are also guaranteed to be.

				/* Top right quadrant */
				if(!isset($this->usedChunks[$index = Level::chunkHash($centerX + $x, $centerZ + $z)]) or $this->usedChunks[$index] === false){
					$newOrder[$index] = true;
				}
				unset($unloadChunks[$index]);

				/* Top left quadrant */
				if(!isset($this->usedChunks[$index = Level::chunkHash($centerX - $x - 1, $centerZ + $z)]) or $this->usedChunks[$index] === false){
					$newOrder[$index] = true;
				}
				unset($unloadChunks[$index]);

				/* Bottom right quadrant */
				if(!isset($this->usedChunks[$index = Level::chunkHash($centerX + $x, $centerZ - $z - 1)]) or $this->usedChunks[$index] === false){
					$newOrder[$index] = true;
				}
				unset($unloadChunks[$index]);


				/* Bottom left quadrant */
				if(!isset($this->usedChunks[$index = Level::chunkHash($centerX - $x - 1, $centerZ - $z - 1)]) or $this->usedChunks[$index] === false){
					$newOrder[$index] = true;
				}
				unset($unloadChunks[$index]);

				if($x !== $z){
					/* Top right quadrant mirror */
					if(!isset($this->usedChunks[$index = Level::chunkHash($centerX + $z, $centerZ + $x)]) or $this->usedChunks[$index] === false){
						$newOrder[$index] = true;
					}
					unset($unloadChunks[$index]);

					/* Top left quadrant mirror */
					if(!isset($this->usedChunks[$index = Level::chunkHash($centerX - $z - 1, $centerZ + $x)]) or $this->usedChunks[$index] === false){
						$newOrder[$index] = true;
					}
					unset($unloadChunks[$index]);

					/* Bottom right quadrant mirror */
					if(!isset($this->usedChunks[$index = Level::chunkHash($centerX + $z, $centerZ - $x - 1)]) or $this->usedChunks[$index] === false){
						$newOrder[$index] = true;
					}
					unset($unloadChunks[$index]);

					/* Bottom left quadrant mirror */
					if(!isset($this->usedChunks[$index = Level::chunkHash($centerX - $z - 1, $centerZ - $x - 1)]) or $this->usedChunks[$index] === false){
						$newOrder[$index] = true;
					}
					unset($unloadChunks[$index]);
				}
			}
		}

		foreach($unloadChunks as $index => $bool){
			Level::getXZ($index, $X, $Z);
			$this->unloadChunk($X, $Z);
		}

		$this->loadQueue = $newOrder;

		Timings::$playerChunkOrderTimer->stopTiming();

		return true;
	}

	/**
	 * Batch a Data packet into the channel list to send at the end of the tick
	 *
	 * @param DataPacket $packet
	 *
	 * @return bool
	 */
	public function batchDataPacket(DataPacket $packet) : bool{
		if($this->connected === false){
			return false;
		}

		$timings = Timings::getSendDataPacketTimings($packet);
		$timings->startTiming();
		$this->server->getPluginManager()->callEvent($ev = new DataPacketSendEvent($this, $packet));
		if($ev->isCancelled()){
			$timings->stopTiming();
			return false;
		}

		$this->batchedPackets[] = clone $packet;
		$timings->stopTiming();
		return true;
	}

	/**
	 * @param DataPacket $packet
	 * @param bool       $needACK
	 *
	 * @return bool|int
	 */
	public function dataPacket(DataPacket $packet, bool $needACK = false){
		return $this->sendDataPacket($packet, $needACK, false);
	}

	/**
	 * @param DataPacket $packet
	 * @param bool       $needACK
	 *
	 * @return bool|int
	 */
	public function directDataPacket(DataPacket $packet, bool $needACK = false){
		return $this->sendDataPacket($packet, $needACK, true);
	}

	/**
	 * @param DataPacket $packet
	 * @param bool       $needACK
	 * @param bool       $immediate
	 *
	 * @return bool|int
	 */
	public function sendDataPacket(DataPacket $packet, bool $needACK = false, bool $immediate = false){
		if($this->connected === false){
			return false;
		}

		//Basic safety restriction. TODO: improve this
		if(!$this->loggedIn and !$packet->canBeSentBeforeLogin()){
			throw new \InvalidArgumentException("Attempted to send " . get_class($packet) . " to " . $this->getName() . " too early");
		}

		$timings = Timings::getSendDataPacketTimings($packet);
		$timings->startTiming();
		$this->server->getPluginManager()->callEvent($ev = new DataPacketSendEvent($this, $packet));
		if($ev->isCancelled()){
			$timings->stopTiming();
			return false;
		}

		$identifier = $this->interface->putPacket($this, $packet, $needACK, $immediate);

		if($needACK and $identifier !== null){
			$this->needACK[$identifier] = false;

			$timings->stopTiming();
			return $identifier;
		}

		$timings->stopTiming();
		return true;
	}

	/**
	 * @param Vector3 $pos
	 *
	 * @return bool
	 */
	public function sleepOn(Vector3 $pos) : bool{
		if(!$this->isOnline()){
			return false;
		}

		$b = $this->level->getBlock($pos);

		$this->server->getPluginManager()->callEvent($ev = new PlayerBedEnterEvent($this, $b));
		if($ev->isCancelled()){
			return false;
		}

		if($b instanceof Bed){
			$b->setOccupied();
		}

		$this->sleeping = clone $pos;

		$this->setDataProperty(self::DATA_PLAYER_BED_POSITION, self::DATA_TYPE_POS, [$pos->x, $pos->y, $pos->z]);
		$this->setPlayerFlag(self::DATA_PLAYER_FLAG_SLEEP, true);

		$this->setSpawn($pos);

		$this->level->sleepTicks = 60;

		return true;
	}

	/**
	 * Sets the spawnpoint of the player (and the compass direction) to a Vector3, or set it on another world with a
	 * Position object
	 *
	 * @param Vector3|Position $pos
	 */
	public function setSpawn(Vector3 $pos){
		if(!($pos instanceof Position)){
			$level = $this->level;
		}else{
			$level = $pos->getLevel();
		}
		$this->spawnPosition = new WeakPosition($pos->x, $pos->y, $pos->z, $level);
		$pk = new SetSpawnPositionPacket();
		$pk->x = (int) $this->spawnPosition->x;
		$pk->y = (int) $this->spawnPosition->y;
		$pk->z = (int) $this->spawnPosition->z;
		$pk->spawnType = SetSpawnPositionPacket::TYPE_PLAYER_SPAWN;
		$pk->spawnForced = false;
		$this->dataPacket($pk);
	}

	public function stopSleep(){
		if($this->sleeping instanceof Vector3){
			$b = $this->level->getBlock($this->sleeping);
			if($b instanceof Bed){
				$b->setOccupied(false);
			}
			$this->server->getPluginManager()->callEvent($ev = new PlayerBedLeaveEvent($this, $b));

			$this->sleeping = null;
			$this->setDataProperty(self::DATA_PLAYER_BED_POSITION, self::DATA_TYPE_POS, [0, 0, 0]);
			$this->setPlayerFlag(self::DATA_PLAYER_FLAG_SLEEP, false);

			$this->level->sleepTicks = 0;

			$pk = new AnimatePacket();
			$pk->entityRuntimeId = $this->id;
			$pk->action = AnimatePacket::ACTION_STOP_SLEEP;
			$this->dataPacket($pk);
		}
	}

	/**
	 * @param string $achievementId
	 *
	 * @return bool
	 */
	public function awardAchievement(string $achievementId) : bool{
		if(isset(Achievement::$list[$achievementId]) and !$this->hasAchievement($achievementId)){
			foreach(Achievement::$list[$achievementId]["requires"] as $requirementId){
				if(!$this->hasAchievement($requirementId)){
					return false;
				}
			}
			$this->server->getPluginManager()->callEvent($ev = new PlayerAchievementAwardedEvent($this, $achievementId));
			if(!$ev->isCancelled()){
				$this->achievements[$achievementId] = true;
				Achievement::broadcast($this, $achievementId);

				return true;
			}else{
				return false;
			}
		}

		return false;
	}

	/**
	 * @return int
	 */
	public function getGamemode() : int{
		return $this->gamemode;
	}

	/**
	 * @internal
	 *
	 * Returns a client-friendly gamemode of the specified real gamemode
	 * This function takes care of handling gamemodes known to MCPE (as of 1.1.0.3, that includes Survival, Creative and Adventure)
	 *
	 * TODO: remove this when Spectator Mode gets added properly to MCPE
	 *
	 * @param int $gamemode
	 * @return int
	 */
	public static function getClientFriendlyGamemode(int $gamemode) : int{
		$gamemode &= 0x03;
		if($gamemode === Player::SPECTATOR){
			return Player::CREATIVE;
		}

		return $gamemode;
	}

	/**
	 * Sets the gamemode, and if needed, kicks the Player.
	 *
	 * @param int  $gm
	 * @param bool $client if the client made this change in their GUI
	 *
	 * @return bool
	 */
	public function setGamemode(int $gm, bool $client = false) : bool{
		if($gm < 0 or $gm > 3 or $this->gamemode === $gm){
			return false;
		}

		$this->server->getPluginManager()->callEvent($ev = new PlayerGameModeChangeEvent($this, $gm));
		if($ev->isCancelled()){
			if($client){ //gamemode change by client in the GUI
				$this->sendGamemode();
			}
			return false;
		}

		$this->gamemode = $gm;

		$this->allowFlight = $this->isCreative();
		if($this->isSpectator()){
			$this->flying = true;
			$this->despawnFromAll();
		}else{
			if($this->isSurvival()){
				$this->flying = false;
			}
			$this->spawnToAll();
		}

		$this->resetFallDistance();

		$this->namedtag->playerGameType = new IntTag("playerGameType", $this->gamemode);
		if(!$client){ //Gamemode changed by server, do not send for client changes
			$this->sendGamemode();
		}else{
			Command::broadcastCommandMessage($this, new TranslationContainer("commands.gamemode.success.self", [Server::getGamemodeString($gm)]));
		}

		$this->sendSettings();

		$this->inventory->sendContents($this);
		$this->inventory->sendContents($this->getViewers());
		$this->inventory->sendHeldItem($this->hasSpawned);

		$this->inventory->sendCreativeContents();

		return true;
	}

	/**
	 * @internal
	 * Sends the player's gamemode to the client.
	 */
	public function sendGamemode(){
		$pk = new SetPlayerGameTypePacket();
		$pk->gamemode = Player::getClientFriendlyGamemode($this->gamemode);
		$this->dataPacket($pk);
	}

	/**
	 * Sends all the option flags
	 */
	public function sendSettings(){
		$pk = new AdventureSettingsPacket();

		$pk->setFlag(AdventureSettingsPacket::WORLD_IMMUTABLE, $this->isSpectator());
		$pk->setFlag(AdventureSettingsPacket::NO_PVP, $this->isSpectator());
		$pk->setFlag(AdventureSettingsPacket::AUTO_JUMP, $this->autoJump);
		$pk->setFlag(AdventureSettingsPacket::ALLOW_FLIGHT, $this->allowFlight);
		$pk->setFlag(AdventureSettingsPacket::NO_CLIP, $this->isSpectator());
		$pk->setFlag(AdventureSettingsPacket::FLYING, $this->flying);

		$pk->commandPermission = ($this->isOp() ? AdventureSettingsPacket::PERMISSION_OPERATOR : AdventureSettingsPacket::PERMISSION_NORMAL);
		$pk->playerPermission = ($this->isOp() ? PlayerPermissions::OPERATOR : PlayerPermissions::MEMBER);
		$pk->entityUniqueId = $this->getId();

		$this->dataPacket($pk);
	}

	/**
	 * NOTE: Because Survival and Adventure Mode share some similar behaviour, this method will also return true if the player is
	 * in Adventure Mode. Supply the $literal parameter as true to force a literal Survival Mode check.
	 *
	 * @param bool $literal whether a literal check should be performed
	 *
	 * @return bool
	 */
	public function isSurvival(bool $literal = false) : bool{
		if($literal){
			return $this->gamemode === Player::SURVIVAL;
		}else{
			return ($this->gamemode & 0x01) === 0;
		}
	}

	/**
	 * NOTE: Because Creative and Spectator Mode share some similar behaviour, this method will also return true if the player is
	 * in Spectator Mode. Supply the $literal parameter as true to force a literal Creative Mode check.
	 *
	 * @param bool $literal whether a literal check should be performed
	 *
	 * @return bool
	 */
	public function isCreative(bool $literal = false) : bool{
		if($literal){
			return $this->gamemode === Player::CREATIVE;
		}else{
			return ($this->gamemode & 0x01) === 1;
		}
	}

	/**
	 * NOTE: Because Adventure and Spectator Mode share some similar behaviour, this method will also return true if the player is
	 * in Spectator Mode. Supply the $literal parameter as true to force a literal Adventure Mode check.
	 *
	 * @param bool $literal whether a literal check should be performed
	 *
	 * @return bool
	 */
	public function isAdventure(bool $literal = false) : bool{
		if($literal){
			return $this->gamemode === Player::ADVENTURE;
		}else{
			return ($this->gamemode & 0x02) > 0;
		}
	}

	/**
	 * @return bool
	 */
	public function isSpectator() : bool{
		return $this->gamemode === Player::SPECTATOR;
	}

	public function isFireProof() : bool{
		return $this->isCreative();
	}

	public function getDrops() : array{
		if(!$this->isCreative()){
			return parent::getDrops();
		}

		return [];
	}

	protected function checkGroundState(float $movX, float $movY, float $movZ, float $dx, float $dy, float $dz){
		if(!$this->onGround or $movY != 0){
			$bb = clone $this->boundingBox;
			$bb->minY = $this->y - 0.01;
			$bb->maxY = $this->y + 0.01;

			if(count($this->level->getCollisionBlocks($bb, true)) > 0){
				$this->onGround = true;
			}else{
				$this->onGround = false;
			}
		}
		$this->isCollided = $this->onGround;
	}

	protected function checkBlockCollision(){
		foreach($this->getBlocksAround() as $block){
			$block->onEntityCollide($this);
		}
	}

	protected function checkNearEntities(int $tickDiff){
		foreach($this->level->getNearbyEntities($this->boundingBox->grow(1, 0.5, 1), $this) as $entity){
			$entity->scheduleUpdate();

			if(!$entity->isAlive()){
				continue;
			}

			if($entity instanceof Arrow and $entity->hadCollision){
				$item = ItemFactory::get(Item::ARROW, 0, 1);
				if($this->isSurvival() and !$this->inventory->canAddItem($item)){
					continue;
				}

				$this->server->getPluginManager()->callEvent($ev = new InventoryPickupArrowEvent($this->inventory, $entity));
				if($ev->isCancelled()){
					continue;
				}

				$pk = new TakeItemEntityPacket();
				$pk->eid = $this->id;
				$pk->target = $entity->getId();
				$this->server->broadcastPacket($entity->getViewers(), $pk);

				$this->inventory->addItem(clone $item);
				$entity->kill();
			}elseif($entity instanceof DroppedItem){
				if($entity->getPickupDelay() <= 0){
					$item = $entity->getItem();

					if($item instanceof Item){
						if($this->isSurvival() and !$this->inventory->canAddItem($item)){
							continue;
						}

						$this->server->getPluginManager()->callEvent($ev = new InventoryPickupItemEvent($this->inventory, $entity));
						if($ev->isCancelled()){
							continue;
						}

						switch($item->getId()){
							case Item::WOOD:
								$this->awardAchievement("mineWood");
								break;
							case Item::DIAMOND:
								$this->awardAchievement("diamond");
								break;
						}

						$pk = new TakeItemEntityPacket();
						$pk->eid = $this->id;
						$pk->target = $entity->getId();
						$this->server->broadcastPacket($entity->getViewers(), $pk);

						$this->inventory->addItem(clone $item);
						$entity->kill();
					}
				}
			}
		}
	}

	protected function processMovement(int $tickDiff){
		if(!$this->isAlive() or !$this->spawned or $this->newPosition === null or $this->isSleeping()){
			return;
		}

		assert($this->x !== null and $this->y !== null and $this->z !== null);
		assert($this->newPosition->x !== null and $this->newPosition->y !== null and $this->newPosition->z !== null);

		$newPos = $this->newPosition;
		$distanceSquared = $newPos->distanceSquared($this);

		$revert = false;

		if(($distanceSquared / ($tickDiff ** 2)) > 100){
			$this->server->getLogger()->warning($this->getName() . " moved too fast, reverting movement");
			$this->server->getLogger()->debug("Old position: " . $this->asVector3() . ", new position: " . $this->newPosition);
			$revert = true;
		}else{
			if($this->chunk === null or !$this->chunk->isGenerated()){
				$chunk = $this->level->getChunk($newPos->x >> 4, $newPos->z >> 4, false);
				if($chunk === null or !$chunk->isGenerated()){
					$revert = true;
					$this->nextChunkOrderRun = 0;
				}else{
					if($this->chunk !== null){
						$this->chunk->removeEntity($this);
					}
					$this->chunk = $chunk;
				}
			}
		}

		if(!$revert and $distanceSquared != 0){
			$dx = $newPos->x - $this->x;
			$dy = $newPos->y - $this->y;
			$dz = $newPos->z - $this->z;

			$this->move($dx, $dy, $dz);

			$diffX = $this->x - $newPos->x;
			$diffY = $this->y - $newPos->y;
			$diffZ = $this->z - $newPos->z;

			$diff = ($diffX ** 2 + $diffY ** 2 + $diffZ ** 2) / ($tickDiff ** 2);

			if($this->isSurvival() and !$revert and $diff > 0.0625){
				$ev = new PlayerIllegalMoveEvent($this, $newPos);
				$ev->setCancelled($this->allowMovementCheats);

				$this->server->getPluginManager()->callEvent($ev);

				if(!$ev->isCancelled()){
					$revert = true;
					$this->server->getLogger()->warning($this->getServer()->getLanguage()->translateString("pocketmine.player.invalidMove", [$this->getName()]));
					$this->server->getLogger()->debug("Old position: " . $this->asVector3() . ", new position: " . $this->newPosition);
				}
			}

			if($diff > 0){
				$this->x = $newPos->x;
				$this->y = $newPos->y;
				$this->z = $newPos->z;
				$radius = $this->width / 2;
				$this->boundingBox->setBounds($this->x - $radius, $this->y, $this->z - $radius, $this->x + $radius, $this->y + $this->height, $this->z + $radius);
			}
		}

		$from = new Location($this->lastX, $this->lastY, $this->lastZ, $this->lastYaw, $this->lastPitch, $this->level);
		$to = $this->getLocation();

		$delta = (($this->lastX - $to->x) ** 2) + (($this->lastY - $to->y) ** 2) + (($this->lastZ - $to->z) ** 2);
		$deltaAngle = abs($this->lastYaw - $to->yaw) + abs($this->lastPitch - $to->pitch);

		if(!$revert and ($delta > 0.0001 or $deltaAngle > 1.0)){

			$isFirst = ($this->lastX === null or $this->lastY === null or $this->lastZ === null);

			$this->lastX = $to->x;
			$this->lastY = $to->y;
			$this->lastZ = $to->z;

			$this->lastYaw = $to->yaw;
			$this->lastPitch = $to->pitch;

			if(!$isFirst){
				$ev = new PlayerMoveEvent($this, $from, $to);

				$this->server->getPluginManager()->callEvent($ev);

				if(!($revert = $ev->isCancelled())){ //Yes, this is intended
					if($to->distanceSquared($ev->getTo()) > 0.01){ //If plugins modify the destination
						$this->teleport($ev->getTo());
					}else{
						$this->broadcastMovement();

						$distance = $from->distance($to);
						//TODO: check swimming (adds 0.015 exhaustion in MCPE)
						if($this->isSprinting()){
							$this->exhaust(0.1 * $distance, PlayerExhaustEvent::CAUSE_SPRINTING);
						}else{
							$this->exhaust(0.01 * $distance, PlayerExhaustEvent::CAUSE_WALKING);
						}
					}
				}
			}

			$this->speed = $to->subtract($from)->divide($tickDiff);
		}elseif($distanceSquared == 0){
			$this->speed = new Vector3(0, 0, 0);
		}

		if($revert){

			$this->lastX = $from->x;
			$this->lastY = $from->y;
			$this->lastZ = $from->z;

			$this->lastYaw = $from->yaw;
			$this->lastPitch = $from->pitch;

			$this->sendPosition($from, $from->yaw, $from->pitch, MovePlayerPacket::MODE_RESET);
		}else{
			if($distanceSquared != 0 and $this->nextChunkOrderRun > 20){
				$this->nextChunkOrderRun = 20;
			}
		}

		$this->newPosition = null;
	}

	public function setMotion(Vector3 $mot){
		if(parent::setMotion($mot)){
			if($this->chunk !== null){
				$this->broadcastMotion();
			}

			if($this->motionY > 0){
				$this->startAirTicks = (-(log($this->gravity / ($this->gravity + $this->drag * $this->motionY))) / $this->drag) * 2 + 5;
			}

			return true;
		}
		return false;
	}

	protected function updateMovement(){

	}

	protected function tryChangeMovement(){

	}

	public function sendAttributes(bool $sendAll = false){
		$entries = $sendAll ? $this->attributeMap->getAll() : $this->attributeMap->needSend();
		if(count($entries) > 0){
			$pk = new UpdateAttributesPacket();
			$pk->entityRuntimeId = $this->id;
			$pk->entries = $entries;
			$this->dataPacket($pk);
			foreach($entries as $entry){
				$entry->markSynchronized();
			}
		}
	}

	public function onUpdate(int $currentTick) : bool{
		if(!$this->loggedIn){
			return false;
		}

		$tickDiff = $currentTick - $this->lastUpdate;

		if($tickDiff <= 0){
			return true;
		}

		$this->messageCounter = 2;

		$this->lastUpdate = $currentTick;

		$this->sendAttributes();

		if(!$this->isAlive() and $this->spawned){
			$this->deadTicks += $tickDiff;
			if($this->deadTicks >= 10){
				$this->despawnFromAll();
			}
			return true;
		}

		$this->timings->startTiming();

		if($this->spawned){
			$this->processMovement($tickDiff);

			Timings::$timerEntityBaseTick->startTiming();
			$this->entityBaseTick($tickDiff);
			Timings::$timerEntityBaseTick->stopTiming();

			if(!$this->isSpectator() and $this->isAlive()){
				$this->checkNearEntities($tickDiff);

				if($this->speed !== null){
					if($this->onGround){
						if($this->inAirTicks !== 0){
							$this->startAirTicks = 5;
						}
						$this->inAirTicks = 0;
					}else{
						if(!$this->allowFlight and $this->inAirTicks > 10 and !$this->isSleeping() and !$this->isImmobile()){
							$expectedVelocity = (-$this->gravity) / $this->drag - ((-$this->gravity) / $this->drag) * exp(-$this->drag * ($this->inAirTicks - $this->startAirTicks));
							$diff = ($this->speed->y - $expectedVelocity) ** 2;

							if(!$this->hasEffect(Effect::JUMP) and $diff > 0.6 and $expectedVelocity < $this->speed->y and !$this->server->getAllowFlight()){
								if($this->inAirTicks < 100){
									$this->setMotion(new Vector3(0, $expectedVelocity, 0));
								}elseif($this->kick("Flying is not enabled on this server")){
									$this->timings->stopTiming();

									return false;
								}
							}
						}

						$this->inAirTicks += $tickDiff;
					}
				}
			}
		}

		$this->timings->stopTiming();

		return true;
	}

	public function doFoodTick(int $tickDiff = 1){
		if($this->isSurvival()){
			parent::doFoodTick($tickDiff);
		}
	}

	public function exhaust(float $amount, int $cause = PlayerExhaustEvent::CAUSE_CUSTOM) : float{
		if($this->isSurvival()){
			return parent::exhaust($amount, $cause);
		}

		return 0.0;
	}

	public function checkNetwork(){
		if(!$this->isOnline()){
			return;
		}

		if($this->nextChunkOrderRun-- <= 0 or $this->chunk === null){
			$this->orderChunks();
		}

		if(count($this->loadQueue) > 0 or !$this->spawned){
			$this->sendNextChunk();
		}

		if(count($this->batchedPackets) > 0){
			$this->server->batchPackets([$this], $this->batchedPackets, false);
			$this->batchedPackets = [];
		}
	}

	/**
	 * Returns whether the player can interact with the specified position. This checks distance and direction.
	 *
	 * @param Vector3 $pos
	 * @param         $maxDistance
	 * @param float   $maxDiff
	 *
	 * @return bool
	 */
	public function canInteract(Vector3 $pos, $maxDistance, float $maxDiff = 0.5) : bool{
		$eyePos = $this->getPosition()->add(0, $this->getEyeHeight(), 0);
		if($eyePos->distanceSquared($pos) > $maxDistance ** 2){
			return false;
		}

		$dV = $this->getDirectionPlane();
		$dot = $dV->dot(new Vector2($eyePos->x, $eyePos->z));
		$dot1 = $dV->dot(new Vector2($pos->x, $pos->z));
		return ($dot1 - $dot) >= -$maxDiff;
	}

	protected function initHumanData(){
		//No need to do anything here, this data will be set from the login.
	}

	protected function initEntity(){
		parent::initEntity();
		$this->addDefaultWindows();
	}


	protected function processLogin(){
		if(!$this->server->isWhitelisted($this->iusername)){
			$this->close($this->getLeaveMessage(), "Server is white-listed");

			return;
		}elseif($this->server->getNameBans()->isBanned($this->iusername) or $this->server->getIPBans()->isBanned($this->getAddress())){
			$this->close($this->getLeaveMessage(), "You are banned");

			return;
		}

		foreach($this->server->getLoggedInPlayers() as $p){
			if($p !== $this and $p->iusername === $this->iusername){
				if($p->kick("logged in from another location") === false){
					$this->close($this->getLeaveMessage(), "Logged in from another location");

					return;
				}
			}elseif($p->loggedIn and $this->getUniqueId()->equals($p->getUniqueId())){
				if($p->kick("logged in from another location") === false){
					$this->close($this->getLeaveMessage(), "Logged in from another location");

					return;
				}
			}
		}

		$this->namedtag = $this->server->getOfflinePlayerData($this->username);

		$this->playedBefore = ($this->namedtag["lastPlayed"] - $this->namedtag["firstPlayed"]) > 1; // microtime(true) - microtime(true) may have less than one millisecond difference
		if(!isset($this->namedtag->NameTag)){
			$this->namedtag->NameTag = new StringTag("NameTag", $this->username);
		}else{
			$this->namedtag["NameTag"] = $this->username;
		}
		$this->gamemode = $this->namedtag["playerGameType"] & 0x03;
		if($this->server->getForceGamemode()){
			$this->gamemode = $this->server->getGamemode();
			$this->namedtag->playerGameType = new IntTag("playerGameType", $this->gamemode);
		}

		$this->allowFlight = (bool) ($this->gamemode & 0x01);

		if(($level = $this->server->getLevelByName((string) $this->namedtag["Level"])) === null){
			$this->setLevel($this->server->getDefaultLevel());
			$this->namedtag["Level"] = $this->level->getName();
			$this->namedtag["Pos"][0] = $this->level->getSpawnLocation()->x;
			$this->namedtag["Pos"][1] = $this->level->getSpawnLocation()->y;
			$this->namedtag["Pos"][2] = $this->level->getSpawnLocation()->z;
		}else{
			$this->setLevel($level);
		}

		$this->achievements = [];

		/** @var ByteTag $achievement */
		foreach($this->namedtag->Achievements as $achievement){
			$this->achievements[$achievement->getName()] = $achievement->getValue() !== 0;
		}

		$this->namedtag->lastPlayed = new LongTag("lastPlayed", (int) floor(microtime(true) * 1000));
		if($this->server->getAutoSave()){
			$this->server->saveOfflinePlayerData($this->username, $this->namedtag, true);
		}

		$this->sendPlayStatus(PlayStatusPacket::LOGIN_SUCCESS);

		$this->loggedIn = true;
		$this->server->onPlayerLogin($this);

		$pk = new ResourcePacksInfoPacket();
		$manager = $this->server->getResourceManager();
		$pk->resourcePackEntries = $manager->getResourceStack();
		$pk->mustAccept = $manager->resourcePacksRequired();
		$this->dataPacket($pk);
	}

	protected function completeLoginSequence(){
		parent::__construct($this->level, $this->namedtag);

		if(!$this->hasValidSpawnPosition()){
			if(isset($this->namedtag->SpawnLevel) and ($level = $this->server->getLevelByName((string) $this->namedtag["SpawnLevel"])) instanceof Level){
				$this->spawnPosition = new WeakPosition($this->namedtag["SpawnX"], $this->namedtag["SpawnY"], $this->namedtag["SpawnZ"], $level);
			}else{
				$this->spawnPosition = WeakPosition::fromObject($this->level->getSafeSpawn());
			}
		}

		$spawnPosition = $this->getSpawn();

		$pk = new StartGamePacket();
		$pk->entityUniqueId = $this->id;
		$pk->entityRuntimeId = $this->id;
		$pk->playerGamemode = Player::getClientFriendlyGamemode($this->gamemode);

		$pk->playerPosition = $this->getOffsetPosition($this);

		$pk->pitch = $this->pitch;
		$pk->yaw = $this->yaw;
		$pk->seed = -1;
		$pk->dimension = DimensionIds::OVERWORLD; //TODO: implement this properly
		$pk->worldGamemode = Player::getClientFriendlyGamemode($this->server->getGamemode());
		$pk->difficulty = $this->server->getDifficulty();
		$pk->spawnX = $spawnPosition->getFloorX();
		$pk->spawnY = $spawnPosition->getFloorY();
		$pk->spawnZ = $spawnPosition->getFloorZ();
		$pk->hasAchievementsDisabled = true;
		$pk->time = $this->level->getTime();
		$pk->eduMode = false;
		$pk->rainLevel = 0; //TODO: implement these properly
		$pk->lightningLevel = 0;
		$pk->commandsEnabled = true;
		$pk->levelId = "";
		$pk->worldName = $this->server->getMotd();
		$this->dataPacket($pk);

		$this->server->getPluginManager()->callEvent($ev = new PlayerLoginEvent($this, "Plugin reason"));
		if($ev->isCancelled()){
			$this->close($this->getLeaveMessage(), $ev->getKickMessage());

			return;
		}

		$this->level->sendTime($this);

		$this->sendAttributes(true);
		$this->setNameTagVisible(true);
		$this->setNameTagAlwaysVisible(true);
		$this->setCanClimb(true);

		$this->server->getLogger()->info($this->getServer()->getLanguage()->translateString("pocketmine.player.logIn", [
			TextFormat::AQUA . $this->username . TextFormat::WHITE,
			$this->ip,
			$this->port,
			$this->id,
			$this->level->getName(),
			round($this->x, 4),
			round($this->y, 4),
			round($this->z, 4)
		]));

		if($this->isOp()){
			$this->setRemoveFormat(false);
		}

		$this->sendCommandData();

		$this->inventory->sendCreativeContents();

		$this->server->addOnlinePlayer($this);
		$this->server->onPlayerCompleteLoginSequence($this);
	}

	public function handleLogin(LoginPacket $packet) : bool{
		if($this->loggedIn){
			return false;
		}

		if($packet->protocol !== ProtocolInfo::CURRENT_PROTOCOL){
			if($packet->protocol < ProtocolInfo::CURRENT_PROTOCOL){
				$message = "disconnectionScreen.outdatedClient";
				$this->sendPlayStatus(PlayStatusPacket::LOGIN_FAILED_CLIENT, true);
			}else{
				$message = "disconnectionScreen.outdatedServer";
				$this->sendPlayStatus(PlayStatusPacket::LOGIN_FAILED_SERVER, true);
			}
			$this->close("", $message, false);

			return true;
		}

		$this->username = TextFormat::clean($packet->username);
		$this->displayName = $this->username;
		$this->iusername = strtolower($this->username);
		$this->setDataProperty(self::DATA_NAMETAG, self::DATA_TYPE_STRING, $this->username, false);

		if(count($this->server->getOnlinePlayers()) >= $this->server->getMaxPlayers() and $this->kick("disconnectionScreen.serverFull", false)){
			return true;
		}

		$this->randomClientId = $packet->clientId;

		$this->uuid = UUID::fromString($packet->clientUUID);
		$this->rawUUID = $this->uuid->toBinary();

		if(!Player::isValidUserName($packet->username)){
			$this->close("", "disconnectionScreen.invalidName");
			return true;
		}

		if(!Player::isValidSkin($packet->skin)){
			$this->close("", "disconnectionScreen.invalidSkin");
			return true;
		}

		$this->setSkin($packet->skin, $packet->skinId);

		$this->server->getPluginManager()->callEvent($ev = new PlayerPreLoginEvent($this, "Plugin reason"));
		if($ev->isCancelled()){
			$this->close("", $ev->getKickMessage());

			return true;
		}

		//TODO: add JWT verification, add encryption

		$this->processLogin();

		return true;
	}

	public function sendPlayStatus(int $status, bool $immediate = false){
		$pk = new PlayStatusPacket();
		$pk->status = $status;
		if($immediate){
			$this->directDataPacket($pk);
		}else{
			$this->dataPacket($pk);
		}
	}

	public function handleClientToServerHandshake(ClientToServerHandshakePacket $packet) : bool{
		return false; //TODO
	}

	public function handleResourcePackClientResponse(ResourcePackClientResponsePacket $packet) : bool{
		switch($packet->status){
			case ResourcePackClientResponsePacket::STATUS_REFUSED:
				//TODO: add lang strings for this
				$this->close("", "You must accept resource packs to join this server.", true);
				break;
			case ResourcePackClientResponsePacket::STATUS_SEND_PACKS:
				$manager = $this->server->getResourceManager();
				foreach($packet->packIds as $uuid){
					$pack = $manager->getPackById($uuid);
					if(!($pack instanceof ResourcePack)){
						//Client requested a resource pack but we don't have it available on the server
						$this->close("", "disconnectionScreen.resourcePack", true);
						$this->server->getLogger()->debug("Got a resource pack request for unknown pack with UUID " . $uuid . ", available packs: " . implode(", ", $manager->getPackIdList()));
						return false;
					}

					$pk = new ResourcePackDataInfoPacket();
					$pk->packId = $pack->getPackId();
					$pk->maxChunkSize = 1048576; //1MB
					$pk->chunkCount = (int) ceil($pack->getPackSize() / $pk->maxChunkSize);
					$pk->compressedPackSize = $pack->getPackSize();
					$pk->sha256 = $pack->getSha256();
					$this->dataPacket($pk);
				}

				break;
			case ResourcePackClientResponsePacket::STATUS_HAVE_ALL_PACKS:
				$pk = new ResourcePackStackPacket();
				$manager = $this->server->getResourceManager();
				$pk->resourcePackStack = $manager->getResourceStack();
				$pk->mustAccept = $manager->resourcePacksRequired();
				$this->dataPacket($pk);
				break;
			case ResourcePackClientResponsePacket::STATUS_COMPLETED:
				$this->completeLoginSequence();
				break;
			default:
				return false;
		}

		return true;
	}

	/**
	 * Sends a chat message as this player. If the message begins with a / (forward-slash) it will be treated
	 * as a command.
	 *
	 * @param string $message
	 *
	 * @return bool
	 */
	public function chat(string $message) : bool{
		if($this->spawned === false or !$this->isAlive()){
			return false;
		}

		$this->resetCraftingGridType();

		$message = TextFormat::clean($message, $this->removeFormat);
		foreach(explode("\n", $message) as $messagePart){
			if(trim($messagePart) !== "" and strlen($messagePart) <= 255 and $this->messageCounter-- > 0){
				$ev = new PlayerCommandPreprocessEvent($this, $messagePart);

				$this->server->getPluginManager()->callEvent($ev);

				if($ev->isCancelled()){
					break;
				}

				if(strpos($ev->getMessage(), "/") === 0){
					Timings::$playerCommandTimer->startTiming();
					$this->server->dispatchCommand($ev->getPlayer(), substr($ev->getMessage(), 1));
					Timings::$playerCommandTimer->stopTiming();
				}else{
					$this->server->getPluginManager()->callEvent($ev = new PlayerChatEvent($this, $ev->getMessage()));
					if(!$ev->isCancelled()){
						$this->server->broadcastMessage($this->getServer()->getLanguage()->translateString($ev->getFormat(), [$ev->getPlayer()->getDisplayName(), $ev->getMessage()]), $ev->getRecipients());
					}
				}
			}
		}

		return true;
	}

	public function handleMovePlayer(MovePlayerPacket $packet) : bool{
		$newPos = $packet->position->subtract(0, $this->baseOffset, 0);

		if($this->isTeleporting and $newPos->distanceSquared($this) > 1){  //Tolerate up to 1 block to avoid problems with client-sided physics when spawning in blocks
			$this->server->getLogger()->debug("Ignoring outdated pre-teleport movement from " . $this->getName() . ", received " . $newPos . ", expected " . $this->asVector3());
			//Still getting movements from before teleport, ignore them
		}elseif((!$this->isAlive() or $this->spawned !== true) and $newPos->distanceSquared($this) > 0.01){
			$this->sendPosition($this, null, null, MovePlayerPacket::MODE_RESET);
			$this->server->getLogger()->debug("Reverted movement of " . $this->getName() . " due to not alive or not spawned, received " . $newPos . ", locked at " . $this->asVector3());
		}else{
			// Once we get a movement within a reasonable distance, treat it as a teleport ACK and remove position lock
			if($this->isTeleporting){
				$this->isTeleporting = false;
			}

			$packet->yaw %= 360;
			$packet->pitch %= 360;

			if($packet->yaw < 0){
				$packet->yaw += 360;
			}

			$this->setRotation($packet->yaw, $packet->pitch);
			$this->newPosition = $newPos;
		}

		return true;
	}

	public function handleLevelSoundEvent(LevelSoundEventPacket $packet) : bool{
		//TODO: add events so plugins can change this
		$this->getLevel()->addChunkPacket($this->chunk->getX(), $this->chunk->getZ(), $packet);
		return true;
	}

	public function handleEntityEvent(EntityEventPacket $packet) : bool{
		if($this->spawned === false or !$this->isAlive()){
			return true;
		}
		$this->resetCraftingGridType();

		switch($packet->event){
			default:
				return false;
		}

		return true;
	}

	protected function sendAllInventories(){
		foreach($this->windowIndex as $id => $inventory){
			$inventory->sendContents($this);
			if($inventory instanceof PlayerInventory){
				$inventory->sendArmorContents($this);
				$inventory->sendHotbar();
			}
		}
	}

	/**
	 * Don't expect much from this handler. Most of it is roughly hacked and duct-taped together.
	 *
	 * @param InventoryTransactionPacket $packet
	 * @return bool
	 */
	public function handleInventoryTransaction(InventoryTransactionPacket $packet) : bool{
		if($this->isSpectator()){
			$this->sendAllInventories();
			return true;
		}

		/** @var InventoryAction[] $actions */
		$actions = [];
		foreach($packet->actions as $networkInventoryAction){
			try{
				$action = $networkInventoryAction->createInventoryAction($this);
				$actions[] = $action;
			}catch(\Throwable $e){
				MainLogger::getLogger()->debug("Unhandled inventory action from " . $this->getName() . ": " . $e->getMessage());
				$this->sendAllInventories();
				return false;
			}
		}

		switch($packet->transactionType){
			case InventoryTransactionPacket::TYPE_NORMAL:
				$transaction = new SimpleInventoryTransaction($this, $actions);

				if(!$transaction->execute()){
					foreach($transaction->getInventories() as $inventory){
						$inventory->sendContents($this);
						if($inventory instanceof PlayerInventory){
							$inventory->sendArmorContents($this);
						}
					}

					MainLogger::getLogger()->debug("Failed to execute inventory transaction from " . $this->getName() . " with actions: " . json_encode($packet->actions));

					//TODO: check more stuff that might need reversion
					return false; //oops!
				}

				//TODO: fix achievement for getting iron from furnace

				return true;
			case InventoryTransactionPacket::TYPE_MISMATCH:
				if(count($packet->actions) > 0){
					$this->server->getLogger()->debug("Expected 0 actions for mismatch, got " . count($packet->actions) . ", " . json_encode($packet->actions));
				}
				$this->sendAllInventories();

				return true;
			case InventoryTransactionPacket::TYPE_USE_ITEM:
				$blockVector = new Vector3($packet->trData->x, $packet->trData->y, $packet->trData->z);
				$face = $packet->trData->face;

				$type = $packet->trData->actionType;
				switch($type){
					case InventoryTransactionPacket::USE_ITEM_ACTION_CLICK_BLOCK:
						$this->setGenericFlag(self::DATA_FLAG_ACTION, false);

						if(!$this->canInteract($blockVector->add(0.5, 0.5, 0.5), 13) or $this->isSpectator()){
						}elseif($this->isCreative()){
							$item = $this->inventory->getItemInHand();
							if($this->level->useItemOn($blockVector, $item, $face, $packet->trData->clickPos, $this, true) === true){
								return true;
							}
						}elseif(!$this->inventory->getItemInHand()->equals($packet->trData->itemInHand)){
							$this->inventory->sendHeldItem($this);
						}else{
							$item = $this->inventory->getItemInHand();
							$oldItem = clone $item;
							if($this->level->useItemOn($blockVector, $item, $face, $packet->trData->clickPos, $this, true)){
								if(!$item->equalsExact($oldItem)){
									$this->inventory->setItemInHand($item);
									$this->inventory->sendHeldItem($this->hasSpawned);
								}

								return true;
							}
						}

						$this->inventory->sendHeldItem($this);

						if($blockVector->distanceSquared($this) > 10000){
							return true;
						}
						$target = $this->level->getBlock($blockVector);
						$block = $target->getSide($face);

						$this->level->sendBlocks([$this], [$target, $block], UpdateBlockPacket::FLAG_ALL_PRIORITY);

						return true;
					case InventoryTransactionPacket::USE_ITEM_ACTION_BREAK_BLOCK:
						if($this->spawned === false or !$this->isAlive()){
							return true;
						}

						$this->resetCraftingGridType();

						$item = $this->inventory->getItemInHand();
						$oldItem = clone $item;

						if($this->canInteract($blockVector->add(0.5, 0.5, 0.5), $this->isCreative() ? 13 : 6) and $this->level->useBreakOn($blockVector, $item, $this, true)){
							if($this->isSurvival()){
								if(!$item->equalsExact($oldItem)){
									$this->inventory->setItemInHand($item);
									$this->inventory->sendHeldItem($this->hasSpawned);
								}

								$this->exhaust(0.025, PlayerExhaustEvent::CAUSE_MINING);
							}
							return true;
						}

						$this->inventory->sendContents($this);
						$target = $this->level->getBlock($blockVector);
						$tile = $this->level->getTile($blockVector);

						$this->level->sendBlocks([$this], [$target], UpdateBlockPacket::FLAG_ALL_PRIORITY);

						$this->inventory->sendHeldItem($this);

						if($tile instanceof Spawnable){
							$tile->spawnTo($this);
						}

						return true;
					case InventoryTransactionPacket::USE_ITEM_ACTION_CLICK_AIR:
						$directionVector = $this->getDirectionVector();

						if($this->isCreative()){
							$item = $this->inventory->getItemInHand();
						}elseif(!$this->inventory->getItemInHand()->equals($packet->trData->itemInHand)){
							$this->inventory->sendHeldItem($this);
							return true;
						}else{
							$item = $this->inventory->getItemInHand();
						}

						$ev = new PlayerInteractEvent($this, $item, $directionVector, $face, PlayerInteractEvent::RIGHT_CLICK_AIR);

						$this->server->getPluginManager()->callEvent($ev);

						if($ev->isCancelled()){
							$this->inventory->sendHeldItem($this);
							return true;
						}

						if($item->onClickAir($this, $directionVector) and $this->isSurvival()){
							$this->inventory->setItemInHand($item);
						}

						$this->setGenericFlag(self::DATA_FLAG_ACTION, true);
						$this->startAction = $this->server->getTick();

						return true;
					default:
						//unknown
						break;
				}
				break;
			case InventoryTransactionPacket::TYPE_USE_ITEM_ON_ENTITY:
				$target = $this->level->getEntity($packet->trData->entityRuntimeId);
				if($target === null){
					return false;
				}

				$type = $packet->trData->actionType;

				switch($type){
					case InventoryTransactionPacket::USE_ITEM_ON_ENTITY_ACTION_INTERACT:
						break; //TODO
					case InventoryTransactionPacket::USE_ITEM_ON_ENTITY_ACTION_ATTACK:
						$cancelled = false;
						if($target instanceof Player and $this->server->getConfigBoolean("pvp", true) === false){
							$cancelled = true;
						}

						if($target instanceof Entity and $this->getGamemode() !== Player::VIEW and $this->isAlive() and $target->isAlive()){
							if($target instanceof DroppedItem or $target instanceof Arrow){
								$this->kick("Attempting to attack an invalid entity");
								$this->server->getLogger()->warning($this->getServer()->getLanguage()->translateString("pocketmine.player.invalidEntity", [$this->getName()]));
								return false;
							}

							$heldItem = $this->inventory->getItemInHand();

							$damage = [
								EntityDamageEvent::MODIFIER_BASE => $heldItem->getAttackPoints(),
							];

							if(!$this->canInteract($target, 8)){
								$cancelled = true;
							}elseif($target instanceof Player){
								if(($target->getGamemode() & 0x01) > 0){
									return true;
								}elseif($this->server->getConfigBoolean("pvp") !== true or $this->server->getDifficulty() === 0){
									$cancelled = true;
								}

								$points = 0;
								foreach($target->getInventory()->getArmorContents() as $armorItem){
									$points += $armorItem->getDefensePoints();
								}

								$damage[EntityDamageEvent::MODIFIER_ARMOR] = -($damage[EntityDamageEvent::MODIFIER_BASE] * $points * 0.04);
							}

							$ev = new EntityDamageByEntityEvent($this, $target, EntityDamageEvent::CAUSE_ENTITY_ATTACK, $damage);
							if($cancelled){
								$ev->setCancelled();
							}

							$target->attack($ev);

							if($ev->isCancelled()){
								if($heldItem->isTool() and $this->isSurvival()){
									$this->inventory->sendContents($this);
								}
								return true;
							}

							if($this->isSurvival()){
								if($heldItem->isTool()){
									if($heldItem->useOn($target) and $heldItem->getDamage() >= $heldItem->getMaxDurability()){
										$this->inventory->setItemInHand(ItemFactory::get(Item::AIR, 0, 1));
									}else{
										$this->inventory->setItemInHand($heldItem);
									}
								}

								$this->exhaust(0.3, PlayerExhaustEvent::CAUSE_ATTACK);
							}
						}
						return true;
					default:
						break; //unknown
				}

				break;
			case InventoryTransactionPacket::TYPE_RELEASE_ITEM:
				$type = $packet->trData->actionType;
				switch($type){
					case InventoryTransactionPacket::RELEASE_ITEM_ACTION_RELEASE:
						if($this->isUsingItem()){
							$item = $this->inventory->getItemInHand();
							if($item->onReleaseUsing($this)){
								$this->inventory->setItemInHand($item);
							}
						}else{
							$this->inventory->sendContents($this);
						}

						$this->setGenericFlag(self::DATA_FLAG_ACTION, false);
						return true;
					case InventoryTransactionPacket::RELEASE_ITEM_ACTION_CONSUME:
						$slot = $this->inventory->getItemInHand();

						if($slot->canBeConsumed()){
							$ev = new PlayerItemConsumeEvent($this, $slot);
							if(!$slot->canBeConsumedBy($this)){
								$ev->setCancelled();
							}
							$this->server->getPluginManager()->callEvent($ev);
							if(!$ev->isCancelled()){
								$slot->onConsume($this);
							}else{
								$this->inventory->sendContents($this);
							}

							return true;
						}elseif($this->inventory->getItemInHand()->getId() === Item::BUCKET and $this->inventory->getItemInHand()->getDamage() === 1){ //Milk!
							$this->server->getPluginManager()->callEvent($ev = new PlayerItemConsumeEvent($this, $this->inventory->getItemInHand()));
							if($ev->isCancelled()){
								$this->inventory->sendContents($this);
								return true;
							}

							$pk = new EntityEventPacket();
							$pk->entityRuntimeId = $this->getId();
							$pk->event = EntityEventPacket::USE_ITEM;
							$this->dataPacket($pk);
							$this->server->broadcastPacket($this->getViewers(), $pk);

							if($this->isSurvival()){
								$slot = $this->inventory->getItemInHand();
								--$slot->count;
								$this->inventory->setItemInHand($slot);
								$this->inventory->addItem(ItemFactory::get(Item::BUCKET, 0, 1));
							}

							$this->removeAllEffects();

							return true;
						}

						return false;
					default:
						break;
				}
				break;
			default:
				$this->inventory->sendContents($this);
				break;

		}

		return false; //TODO
	}

	public function handleMobEquipment(MobEquipmentPacket $packet) : bool{
		if($this->spawned === false or !$this->isAlive()){
			return true;
		}

		if($packet->inventorySlot === 255){
			$packet->inventorySlot = -1; //Cleared slot
		}else{
			if($packet->inventorySlot < 9){
				$this->server->getLogger()->debug("Tried to equip a slot that does not exist (index " . $packet->inventorySlot . ")");
				$this->inventory->sendContents($this);
				return false;
			}
			$packet->inventorySlot -= 9; //Get real inventory slot

			$item = $this->inventory->getItem($packet->inventorySlot);

			if(!$item->equals($packet->item)){
				$this->server->getLogger()->debug("Tried to equip " . $packet->item . " but have " . $item . " in target slot");
				$this->inventory->sendContents($this);
				return false;
			}
		}

		$this->inventory->equipItem($packet->hotbarSlot, $packet->inventorySlot);

		$this->setGenericFlag(self::DATA_FLAG_ACTION, false);

		return true;
	}

	public function handleInteract(InteractPacket $packet) : bool{
		if($this->spawned === false or !$this->isAlive()){
			return true;
		}

		$this->resetCraftingGridType();

		$target = $this->level->getEntity($packet->target);
		if($target === null){
			return false;
		}

		switch($packet->action){
			case InteractPacket::ACTION_LEAVE_VEHICLE:
			case InteractPacket::ACTION_MOUSEOVER:
				break; //TODO: handle these
			default:
				$this->server->getLogger()->debug("Unhandled/unknown interaction type " . $packet->action . "received from " . $this->getName());

				return false;
		}

		return true;
	}

	public function handleBlockPickRequest(BlockPickRequestPacket $packet) : bool{
		if($this->isCreative()){
			$tile = $this->getLevel()->getTile($this->temporalVector->setComponents($packet->tileX, $packet->tileY, $packet->tileZ));
			if($tile instanceof Tile){ //TODO: check if the held item matches the target tile
				$nbt = $tile->getCleanedNBT();
				if($nbt instanceof CompoundTag){
					$item = $this->inventory->getItemInHand();
					$item->setCustomBlockData($nbt);
					$item->setLore(["+(DATA)"]);
					$this->inventory->setItemInHand($item);
				}

				return true;
			}
		}

		return false;
	}

	public function handlePlayerAction(PlayerActionPacket $packet) : bool{
		if($this->spawned === false or (!$this->isAlive() and $packet->action !== PlayerActionPacket::ACTION_RESPAWN and $packet->action !== PlayerActionPacket::ACTION_DIMENSION_CHANGE_REQUEST)){
			return true;
		}

		$packet->entityRuntimeId = $this->id;
		$pos = new Vector3($packet->x, $packet->y, $packet->z);

		switch($packet->action){
			case PlayerActionPacket::ACTION_START_BREAK:
				if($this->lastBreak !== PHP_INT_MAX or $pos->distanceSquared($this) > 10000){
					break;
				}
				$target = $this->level->getBlock($pos);
				$ev = new PlayerInteractEvent($this, $this->inventory->getItemInHand(), $target, $packet->face, $target->getId() === 0 ? PlayerInteractEvent::LEFT_CLICK_AIR : PlayerInteractEvent::LEFT_CLICK_BLOCK);
				$this->getServer()->getPluginManager()->callEvent($ev);
				if($ev->isCancelled()){
					$this->inventory->sendHeldItem($this);
					break;
				}
				$block = $target->getSide($packet->face);
				if($block->getId() === Block::FIRE){
					$this->level->setBlock($block, BlockFactory::get(Block::AIR));
					break;
				}

				if(!$this->isCreative()){
					//TODO: improve this to take stuff like swimming, ladders, enchanted tools into account, fix wrong tool break time calculations for bad tools (pmmp/PocketMine-MP#211)
					$breakTime = ceil($target->getBreakTime($this->inventory->getItemInHand()) * 20);
					if($breakTime > 0){
						$this->level->broadcastLevelEvent($pos, LevelEventPacket::EVENT_BLOCK_START_BREAK, (int) (65535 / $breakTime));
					}
				}
				$this->lastBreak = microtime(true);
				break;

			/** @noinspection PhpMissingBreakStatementInspection */
			case PlayerActionPacket::ACTION_ABORT_BREAK:
				$this->lastBreak = PHP_INT_MAX;
			case PlayerActionPacket::ACTION_STOP_BREAK:
				$this->level->broadcastLevelEvent($pos, LevelEventPacket::EVENT_BLOCK_STOP_BREAK);
				break;
			case PlayerActionPacket::ACTION_STOP_SLEEPING:
				$this->stopSleep();
				break;
			case PlayerActionPacket::ACTION_RESPAWN:
				if($this->spawned === false or $this->isAlive() or !$this->isOnline()){
					break;
				}

				if($this->server->isHardcore()){
					$this->setBanned(true);
					break;
				}

				$this->resetCraftingGridType();

				$this->server->getPluginManager()->callEvent($ev = new PlayerRespawnEvent($this, $this->getSpawn()));

				$realSpawn = $ev->getRespawnPosition()->add(0.5, 0, 0.5);

				if($realSpawn->distanceSquared($this->getSpawn()->add(0.5, 0, 0.5)) > 0.01){
					$this->teleport($realSpawn); //If the destination was modified by plugins
				}else{
					$this->setPosition($realSpawn); //The client will move to the position of its own accord once chunks are sent
					$this->nextChunkOrderRun = 0;
					$this->isTeleporting = true;
					$this->newPosition = null;
				}

				$this->resetLastMovements();

				$this->setSprinting(false);
				$this->setSneaking(false);

				$this->extinguish();
				$this->setDataProperty(self::DATA_AIR, self::DATA_TYPE_SHORT, 400);
				$this->deadTicks = 0;
				$this->noDamageTicks = 60;

				$this->removeAllEffects();
				$this->setHealth($this->getMaxHealth());

				foreach($this->attributeMap->getAll() as $attr){
					$attr->resetToDefault();
				}

				$this->sendData($this);

				$this->sendSettings();
				$this->inventory->sendContents($this);
				$this->inventory->sendArmorContents($this);

				$this->spawnToAll();
				$this->scheduleUpdate();
				break;
			case PlayerActionPacket::ACTION_JUMP:
				$this->jump();
				return true;
			case PlayerActionPacket::ACTION_START_SPRINT:
				$ev = new PlayerToggleSprintEvent($this, true);
				$this->server->getPluginManager()->callEvent($ev);
				if($ev->isCancelled()){
					$this->sendData($this);
				}else{
					$this->setSprinting(true);
				}
				return true;
			case PlayerActionPacket::ACTION_STOP_SPRINT:
				$ev = new PlayerToggleSprintEvent($this, false);
				$this->server->getPluginManager()->callEvent($ev);
				if($ev->isCancelled()){
					$this->sendData($this);
				}else{
					$this->setSprinting(false);
				}
				return true;
			case PlayerActionPacket::ACTION_START_SNEAK:
				$ev = new PlayerToggleSneakEvent($this, true);
				$this->server->getPluginManager()->callEvent($ev);
				if($ev->isCancelled()){
					$this->sendData($this);
				}else{
					$this->setSneaking(true);
				}
				return true;
			case PlayerActionPacket::ACTION_STOP_SNEAK:
				$ev = new PlayerToggleSneakEvent($this, false);
				$this->server->getPluginManager()->callEvent($ev);
				if($ev->isCancelled()){
					$this->sendData($this);
				}else{
					$this->setSneaking(false);
				}
				return true;
			case PlayerActionPacket::ACTION_START_GLIDE:
			case PlayerActionPacket::ACTION_STOP_GLIDE:
				break; //TODO
			case PlayerActionPacket::ACTION_CONTINUE_BREAK:
				$block = $this->level->getBlock($pos);
				$this->level->broadcastLevelEvent($pos, LevelEventPacket::EVENT_PARTICLE_PUNCH_BLOCK, $block->getId() | ($block->getDamage() << 8) | ($packet->face << 16));
				break;
			default:
				$this->server->getLogger()->debug("Unhandled/unknown player action type " . $packet->action . " from " . $this->getName());
				return false;
		}

		$this->startAction = -1;
		$this->setGenericFlag(self::DATA_FLAG_ACTION, false);

		return true;
	}

	public function handleAnimate(AnimatePacket $packet) : bool{
		if($this->spawned === false or !$this->isAlive()){
			return true;
		}

		$this->server->getPluginManager()->callEvent($ev = new PlayerAnimationEvent($this, $packet->action));
		if($ev->isCancelled()){
			return true;
		}

		$pk = new AnimatePacket();
		$pk->entityRuntimeId = $this->getId();
		$pk->action = $ev->getAnimationType();
		$this->server->broadcastPacket($this->getViewers(), $pk);

		return true;
	}

	/**
	 * Drops an item on the ground in front of the player. Returns if the item drop was successful.
	 *
	 * @param Item $item
	 * @return bool if the item was dropped or if the item was null
	 */
	public function dropItem(Item $item) : bool{
		if(!$this->spawned or !$this->isAlive()){
			return false;
		}

		if($item->isNull()){
			$this->server->getLogger()->debug($this->getName() . " attempted to drop a null item (" . $item . ")");
			return true;
		}

		$this->server->getPluginManager()->callEvent($ev = new PlayerDropItemEvent($this, $item));
		if($ev->isCancelled()){
			return false;
		}

		$motion = $this->getDirectionVector()->multiply(0.4);

		$this->level->dropItem($this->add(0, 1.3, 0), $item, $motion, 40);

		$this->setGenericFlag(self::DATA_FLAG_ACTION, false);

		return true;
	}

	public function handleContainerClose(ContainerClosePacket $packet) : bool{
		if($this->spawned === false or $packet->windowId === 0){
			return true;
		}

		$this->resetCraftingGridType();

		if(isset($this->windowIndex[$packet->windowId])){
			$this->server->getPluginManager()->callEvent(new InventoryCloseEvent($this->windowIndex[$packet->windowId], $this));
			$this->removeWindow($this->windowIndex[$packet->windowId]);
			return true;
		}elseif($packet->windowId === 255){
			//Closed a fake window
			return true;
		}

		return false;
	}

	public function handlePlayerHotbar(PlayerHotbarPacket $packet){
		if($packet->windowId !== ContainerIds::INVENTORY){
			return false; //In PE this should never happen
		}

		foreach($packet->slots as $hotbarSlot => $slotLink){
			$this->inventory->setHotbarSlotIndex($hotbarSlot, $slotLink === -1 ? $slotLink : $slotLink - 9);
		}

		$this->inventory->equipItem($packet->selectedHotbarSlot);

		return true;
	}

	public function handleCraftingEvent(CraftingEventPacket $packet) : bool{
		if($this->spawned === false or !$this->isAlive()){
			return true;
		}

		$recipe = $this->server->getCraftingManager()->getRecipe($packet->id);

		if($recipe === null or (($recipe instanceof BigShapelessRecipe or $recipe instanceof BigShapedRecipe) and $this->craftingType === 0) or count($packet->input) === 0){
			$this->inventory->sendContents($this);
			return false;
		}

		$canCraft = true;

		if($recipe instanceof ShapedRecipe){
			for($x = 0; $x < 3 and $canCraft; ++$x){
				for($y = 0; $y < 3; ++$y){
					/** @var Item $item */
					$item = $packet->input[$y * 3 + $x];
					$ingredient = $recipe->getIngredient($x, $y);
					if($item->getCount() > 0){
						if($ingredient === null or !$ingredient->equals($item, !$ingredient->hasAnyDamageValue(), $ingredient->hasCompoundTag())){
							$canCraft = false;
							break;
						}
					}
				}
			}
		}elseif($recipe instanceof ShapelessRecipe){
			$needed = $recipe->getIngredientList();

			for($x = 0; $x < 3 and $canCraft; ++$x){
				for($y = 0; $y < 3; ++$y){
					/** @var Item $item */
					$item = clone $packet->input[$y * 3 + $x];

					foreach($needed as $k => $n){
						if($n->equals($item, !$n->hasAnyDamageValue(), $n->hasCompoundTag())){
							$remove = min($n->getCount(), $item->getCount());
							$n->setCount($n->getCount() - $remove);
							$item->setCount($item->getCount() - $remove);

							if($n->getCount() === 0){
								unset($needed[$k]);
							}
						}
					}

					if($item->getCount() > 0){
						$canCraft = false;
						break;
					}
				}
			}

			if(count($needed) > 0){
				$canCraft = false;
			}
		}else{
			$canCraft = false;
		}

		/** @var Item[] $ingredients */
		$ingredients = $packet->input;
		$result = $packet->output[0];

		if(!$canCraft or !$recipe->getResult()->equals($result)){
			$this->server->getLogger()->debug("Unmatched recipe " . $recipe->getId() . " from player " . $this->getName() . ": expected " . $recipe->getResult() . ", got " . $result . ", using: " . implode(", ", $ingredients));
			$this->inventory->sendContents($this);
			return false;
		}

		$used = array_fill(0, $this->inventory->getSize(), 0);

		foreach($ingredients as $ingredient){
			$slot = -1;
			foreach($this->inventory->getContents() as $index => $item){
				if($ingredient->getId() !== 0 and $ingredient->equals($item, !$ingredient->hasAnyDamageValue(), $ingredient->hasCompoundTag()) and ($item->getCount() - $used[$index]) >= 1){
					$slot = $index;
					$used[$index]++;
					break;
				}
			}

			if($ingredient->getId() !== 0 and $slot === -1){
				$canCraft = false;
				break;
			}
		}

		if(!$canCraft){
			$this->server->getLogger()->debug("Unmatched recipe " . $recipe->getId() . " from player " . $this->getName() . ": client does not have enough items, using: " . implode(", ", $ingredients));
			$this->inventory->sendContents($this);
			return false;
		}

		$this->server->getPluginManager()->callEvent($ev = new CraftItemEvent($this, $ingredients, $recipe));

		if($ev->isCancelled()){
			$this->inventory->sendContents($this);
			return true;
		}

		foreach($used as $slot => $count){
			if($count === 0){
				continue;
			}

			$item = $this->inventory->getItem($slot);

			if($item->getCount() > $count){
				$newItem = clone $item;
				$newItem->setCount($item->getCount() - $count);
			}else{
				$newItem = ItemFactory::get(Item::AIR, 0, 0);
			}

			$this->inventory->setItem($slot, $newItem);
		}

		$extraItem = $this->inventory->addItem($recipe->getResult());
		if(count($extraItem) > 0){
			foreach($extraItem as $item){
				$this->level->dropItem($this, $item);
			}
		}

		switch($recipe->getResult()->getId()){
			case Item::CRAFTING_TABLE:
				$this->awardAchievement("buildWorkBench");
				break;
			case Item::WOODEN_PICKAXE:
				$this->awardAchievement("buildPickaxe");
				break;
			case Item::FURNACE:
				$this->awardAchievement("buildFurnace");
				break;
			case Item::WOODEN_HOE:
				$this->awardAchievement("buildHoe");
				break;
			case Item::BREAD:
				$this->awardAchievement("makeBread");
				break;
			case Item::CAKE:
				//TODO: detect complex recipes like cake that leave remains
				$this->awardAchievement("bakeCake");
				$this->inventory->addItem(ItemFactory::get(Item::BUCKET, 0, 3));
				break;
			case Item::STONE_PICKAXE:
			case Item::GOLDEN_PICKAXE:
			case Item::IRON_PICKAXE:
			case Item::DIAMOND_PICKAXE:
				$this->awardAchievement("buildBetterPickaxe");
				break;
			case Item::WOODEN_SWORD:
				$this->awardAchievement("buildSword");
				break;
			case Item::DIAMOND:
				$this->awardAchievement("diamond");
				break;
		}


		return true;
	}

	public function handleAdventureSettings(AdventureSettingsPacket $packet) : bool{
		if($packet->entityUniqueId !== $this->getId()){
			return false; //TODO
		}

		$handled = false;

		$isFlying = $packet->getFlag(AdventureSettingsPacket::FLYING);
		if($isFlying and !$this->allowFlight and !$this->server->getAllowFlight()){
			$this->kick($this->server->getLanguage()->translateString("kick.reason.cheat", ["%ability.flight"]));
			return true;
		}elseif($isFlying !== $this->isFlying()){
			$this->server->getPluginManager()->callEvent($ev = new PlayerToggleFlightEvent($this, $isFlying));
			if($ev->isCancelled()){
				$this->sendSettings();
			}else{
				$this->flying = $ev->isFlying();
			}

			$handled = true;
		}

		if($packet->getFlag(AdventureSettingsPacket::NO_CLIP) and !$this->allowMovementCheats and !$this->isSpectator()){
			$this->kick($this->server->getLanguage()->translateString("kick.reason.cheat", ["%ability.noclip"]));
			return true;
		}

		//TODO: check other changes

		return $handled;
	}

	public function handleBlockEntityData(BlockEntityDataPacket $packet) : bool{
		if($this->spawned === false or !$this->isAlive()){
			return true;
		}
		$this->resetCraftingGridType();

		$pos = new Vector3($packet->x, $packet->y, $packet->z);
		if($pos->distanceSquared($this) > 10000){
			return true;
		}

		$t = $this->level->getTile($pos);
		if($t instanceof Spawnable){
			$nbt = new NBT(NBT::LITTLE_ENDIAN);
			$nbt->read($packet->namedtag, false, true);
			$nbt = $nbt->getData();
			if(!$t->updateCompoundTag($nbt, $this)){
				$t->spawnTo($this);
			}
		}

		return true;
	}

	public function handlePlayerInput(PlayerInputPacket $packet) : bool{
		return false; //TODO
	}

	public function handleSetPlayerGameType(SetPlayerGameTypePacket $packet) : bool{
		if($packet->gamemode !== $this->gamemode){
			//Set this back to default. TODO: handle this properly
			$this->sendGamemode();
			$this->sendSettings();
		}
		return true;
	}

	public function handleSpawnExperienceOrb(SpawnExperienceOrbPacket $packet) : bool{
		return false; //TODO
	}

	public function handleMapInfoRequest(MapInfoRequestPacket $packet) : bool{
		return false; //TODO
	}

	public function handleRequestChunkRadius(RequestChunkRadiusPacket $packet) : bool{
		$this->setViewDistance($packet->radius);

		return true;
	}

	public function handleItemFrameDropItem(ItemFrameDropItemPacket $packet) : bool{
		if($this->spawned === false or !$this->isAlive()){
			return true;
		}

		$tile = $this->level->getTile($this->temporalVector->setComponents($packet->x, $packet->y, $packet->z));
		if($tile instanceof ItemFrame){
			$ev = new PlayerInteractEvent($this, $this->inventory->getItemInHand(), $tile->getBlock(), 5 - $tile->getBlock()->getDamage(), PlayerInteractEvent::LEFT_CLICK_BLOCK);
			$this->server->getPluginManager()->callEvent($ev);

			if($this->isSpectator()){
				$ev->setCancelled();
			}

			if($ev->isCancelled()){
				$tile->spawnTo($this);
				return true;
			}

			if(lcg_value() <= $tile->getItemDropChance()){
				$this->level->dropItem($tile->getBlock(), $tile->getItem());
			}
			$tile->setItem(null);
			$tile->setItemRotation(0);
		}

		return true;
	}

	public function handleBossEvent(BossEventPacket $packet) : bool{
		return false; //TODO
	}

	public function handleShowCredits(ShowCreditsPacket $packet) : bool{
		return false; //TODO: handle resume
	}

	public function handleCommandBlockUpdate(CommandBlockUpdatePacket $packet) : bool{
		return false; //TODO
	}

	public function handleResourcePackChunkRequest(ResourcePackChunkRequestPacket $packet) : bool{
		$manager = $this->server->getResourceManager();
		$pack = $manager->getPackById($packet->packId);
		if(!($pack instanceof ResourcePack)){
			$this->close("", "disconnectionScreen.resourcePack", true);
			$this->server->getLogger()->debug("Got a resource pack chunk request for unknown pack with UUID " . $packet->packId . ", available packs: " . implode(", ", $manager->getPackIdList()));

			return false;
		}

		$pk = new ResourcePackChunkDataPacket();
		$pk->packId = $pack->getPackId();
		$pk->chunkIndex = $packet->chunkIndex;
		$pk->data = $pack->getPackChunk(1048576 * $packet->chunkIndex, 1048576);
		$pk->progress = (1048576 * $packet->chunkIndex);
		$this->dataPacket($pk);
		return true;
	}

	/**
	 * Called when a packet is received from the client. This method will call DataPacketReceiveEvent.
	 *
	 * @param DataPacket $packet
	 */
	public function handleDataPacket(DataPacket $packet){
		if($this->sessionAdapter !== null){
			$this->sessionAdapter->handleDataPacket($packet);
		}
	}

	/**
	 * Transfers a player to another server.
	 *
	 * @param string $address The IP address or hostname of the destination server
	 * @param int    $port    The destination port, defaults to 19132
	 * @param string $message Message to show in the console when closing the player
	 *
	 * @return bool if transfer was successful.
	 */
	public function transfer(string $address, int $port = 19132, string $message = "transfer") : bool{
		$this->server->getPluginManager()->callEvent($ev = new PlayerTransferEvent($this, $address, $port, $message));

		if(!$ev->isCancelled()){
			$pk = new TransferPacket();
			$pk->address = $ev->getAddress();
			$pk->port = $ev->getPort();
			$this->directDataPacket($pk);
			$this->close("", $ev->getMessage(), false);

			return true;
		}

		return false;
	}

	/**
	 * Kicks a player from the server
	 *
	 * @param string $reason
	 * @param bool   $isAdmin
	 *
	 * @return bool
	 */
	public function kick(string $reason = "", bool $isAdmin = true) : bool{
		$this->server->getPluginManager()->callEvent($ev = new PlayerKickEvent($this, $reason, $this->getLeaveMessage()));
		if(!$ev->isCancelled()){
			if($isAdmin){
				if(!$this->isBanned()){
					$message = "Kicked by admin." . ($reason !== "" ? " Reason: " . $reason : "");
				}else{
					$message = $reason;
				}
			}else{
				if($reason === ""){
					$message = "disconnectionScreen.noReason";
				}else{
					$message = $reason;
				}
			}
			$this->close($ev->getQuitMessage(), $message);

			return true;
		}

		return false;
	}

	/**
	 * Adds a title text to the user's screen, with an optional subtitle.
	 *
	 * @param string $title
	 * @param string $subtitle
	 * @param int    $fadeIn Duration in ticks for fade-in. If -1 is given, client-sided defaults will be used.
	 * @param int    $stay Duration in ticks to stay on screen for
	 * @param int    $fadeOut Duration in ticks for fade-out.
	 */
	public function addTitle(string $title, string $subtitle = "", int $fadeIn = -1, int $stay = -1, int $fadeOut = -1){
		$this->setTitleDuration($fadeIn, $stay, $fadeOut);
		if($subtitle !== ""){
			$this->addSubTitle($subtitle);
		}
		$this->sendTitleText($title, SetTitlePacket::TYPE_SET_TITLE);
	}

	/**
	 * Sets the subtitle message, without sending a title.
	 *
	 * @param string $subtitle
	 */
	public function addSubTitle(string $subtitle){
		$this->sendTitleText($subtitle, SetTitlePacket::TYPE_SET_SUBTITLE);
	}

	/**
	 * Adds small text to the user's screen.
	 *
	 * @param string $message
	 */
	public function addActionBarMessage(string $message){
		$this->sendTitleText($message, SetTitlePacket::TYPE_SET_ACTIONBAR_MESSAGE);
	}

	/**
	 * Removes the title from the client's screen.
	 */
	public function removeTitles(){
		$pk = new SetTitlePacket();
		$pk->type = SetTitlePacket::TYPE_CLEAR_TITLE;
		$this->dataPacket($pk);
	}

	/**
	 * Resets the title duration settings.
	 */
	public function resetTitles(){
		$pk = new SetTitlePacket();
		$pk->type = SetTitlePacket::TYPE_RESET_TITLE;
		$this->dataPacket($pk);
	}

	/**
	 * Sets the title duration.
	 *
	 * @param int $fadeIn Title fade-in time in ticks.
	 * @param int $stay Title stay time in ticks.
	 * @param int $fadeOut Title fade-out time in ticks.
	 */
	public function setTitleDuration(int $fadeIn, int $stay, int $fadeOut){
		if($fadeIn >= 0 and $stay >= 0 and $fadeOut >= 0){
			$pk = new SetTitlePacket();
			$pk->type = SetTitlePacket::TYPE_SET_ANIMATION_TIMES;
			$pk->fadeInTime = $fadeIn;
			$pk->stayTime = $stay;
			$pk->fadeOutTime = $fadeOut;
			$this->dataPacket($pk);
		}
	}

	/**
	 * Internal function used for sending titles.
	 *
	 * @param string $title
	 * @param int $type
	 */
	protected function sendTitleText(string $title, int $type){
		$pk = new SetTitlePacket();
		$pk->type = $type;
		$pk->text = $title;
		$this->dataPacket($pk);
	}

	/**
	 * Sends a direct chat message to a player
	 *
	 * @param TextContainer|string $message
	 */
	public function sendMessage($message){
		if($message instanceof TextContainer){
			if($message instanceof TranslationContainer){
				$this->sendTranslation($message->getText(), $message->getParameters());
				return;
			}
			$message = $message->getText();
		}

		$pk = new TextPacket();
		$pk->type = TextPacket::TYPE_RAW;
		$pk->message = $this->server->getLanguage()->translateString($message);
		$this->dataPacket($pk);
	}

	/**
	 * @param string   $message
	 * @param string[] $parameters
	 */
	public function sendTranslation(string $message, array $parameters = []){
		$pk = new TextPacket();
		if(!$this->server->isLanguageForced()){
			$pk->type = TextPacket::TYPE_TRANSLATION;
			$pk->message = $this->server->getLanguage()->translateString($message, $parameters, "pocketmine.");
			foreach($parameters as $i => $p){
				$parameters[$i] = $this->server->getLanguage()->translateString($p, $parameters, "pocketmine.");
			}
			$pk->parameters = $parameters;
		}else{
			$pk->type = TextPacket::TYPE_RAW;
			$pk->message = $this->server->getLanguage()->translateString($message, $parameters);
		}
		$this->dataPacket($pk);
	}

	/**
	 * Sends a popup message to the player
	 *
	 * TODO: add translation type popups
	 *
	 * @param string $message
	 * @param string $subtitle @deprecated
	 */
	public function sendPopup(string $message, string $subtitle = ""){
		$pk = new TextPacket();
		$pk->type = TextPacket::TYPE_POPUP;
		$pk->message = $message;
		$this->dataPacket($pk);
	}

	public function sendTip(string $message){
		$pk = new TextPacket();
		$pk->type = TextPacket::TYPE_TIP;
		$pk->message = $message;
		$this->dataPacket($pk);
	}

	/**
	 * @param string $sender
	 * @param string $message
	 */
	public function sendWhisper(string $sender, string $message){
		$pk = new TextPacket();
		$pk->type = TextPacket::TYPE_WHISPER;
		$pk->source = $sender;
		$pk->message = $message;
		$this->dataPacket($pk);
	}

	/**
	 * Note for plugin developers: use kick() with the isAdmin
	 * flag set to kick without the "Kicked by admin" part instead of this method.
	 *
	 * @param TextContainer|string $message Message to be broadcasted
	 * @param string               $reason Reason showed in console
	 * @param bool                 $notify
	 */
	final public function close($message = "", string $reason = "generic reason", bool $notify = true){
		if($this->connected and !$this->closed){

			try{
				if($notify and strlen($reason) > 0){
					$pk = new DisconnectPacket();
					$pk->message = $reason;
					$this->directDataPacket($pk);
				}

				$this->sessionAdapter = null;
				$this->connected = false;

				$this->server->getPluginManager()->unsubscribeFromPermission(Server::BROADCAST_CHANNEL_USERS, $this);
				$this->server->getPluginManager()->unsubscribeFromPermission(Server::BROADCAST_CHANNEL_ADMINISTRATIVE, $this);

				$this->stopSleep();

				if($this->joined){
					try{
						$this->save();
					}catch(\Throwable $e){
						$this->server->getLogger()->critical("Failed to save player data for " . $this->getName());
						$this->server->getLogger()->logException($e);
					}

					$this->server->getPluginManager()->callEvent($ev = new PlayerQuitEvent($this, $message, $reason));
					if($ev->getQuitMessage() != ""){
						$this->server->broadcastMessage($ev->getQuitMessage());
					}
				}
				$this->joined = false;

				if($this->isValid()){
					foreach($this->usedChunks as $index => $d){
						Level::getXZ($index, $chunkX, $chunkZ);
						$this->level->unregisterChunkLoader($this, $chunkX, $chunkZ);
						foreach($this->level->getChunkEntities($chunkX, $chunkZ) as $entity){
							$entity->despawnFrom($this);
						}
						unset($this->usedChunks[$index]);
					}
				}
				$this->usedChunks = [];
				$this->loadQueue = [];

				if($this->loggedIn){
					$this->server->onPlayerLogout($this);
					foreach($this->server->getOnlinePlayers() as $player){
						if(!$player->canSee($this)){
							$player->showPlayer($this);
						}
					}
					$this->hiddenPlayers = [];
				}

				$this->removeAllWindows(true);
				$this->windows = null;
				$this->windowIndex = [];
				$this->cursorInventory = null;
				$this->craftingGrid = null;

				if($this->constructed){
					parent::close();
				}
				$this->spawned = false;

				if($this->loggedIn){
					$this->loggedIn = false;
					$this->server->removeOnlinePlayer($this);
				}

				$this->server->getLogger()->info($this->getServer()->getLanguage()->translateString("pocketmine.player.logOut", [
					TextFormat::AQUA . $this->getName() . TextFormat::WHITE,
					$this->ip,
					$this->port,
					$this->getServer()->getLanguage()->translateString($reason)
				]));

				$this->spawnPosition = null;

				if($this->perm !== null){
					$this->perm->clearPermissions();
					$this->perm = null;
				}
			}catch(\Throwable $e){
				$this->server->getLogger()->logException($e);
			}finally{
				$this->interface->close($this, $notify ? $reason : "");
				$this->server->removePlayer($this);
			}
		}
	}

	public function __debugInfo(){
		return [];
	}

	/**
	 * Handles player data saving
	 *
	 * @param bool $async
	 *
	 * @throws \InvalidStateException if the player is closed
	 */
	public function save(bool $async = false){
		if($this->closed){
			throw new \InvalidStateException("Tried to save closed player");
		}

		parent::saveNBT();

		if($this->isValid()){
			$this->namedtag->Level = new StringTag("Level", $this->level->getFolderName());
		}

		if($this->hasValidSpawnPosition()){
			$this->namedtag->SpawnLevel = new StringTag("SpawnLevel", $this->spawnPosition->getLevel()->getFolderName());
			$this->namedtag->SpawnX = new IntTag("SpawnX", (int) $this->spawnPosition->x);
			$this->namedtag->SpawnY = new IntTag("SpawnY", (int) $this->spawnPosition->y);
			$this->namedtag->SpawnZ = new IntTag("SpawnZ", (int) $this->spawnPosition->z);
		}

		foreach($this->achievements as $achievement => $status){
			$this->namedtag->Achievements[$achievement] = new ByteTag($achievement, $status === true ? 1 : 0);
		}

		$this->namedtag["playerGameType"] = $this->gamemode;
		$this->namedtag["lastPlayed"] = (int) floor(microtime(true) * 1000);

		if($this->username != "" and $this->namedtag instanceof CompoundTag){
			$this->server->saveOfflinePlayerData($this->username, $this->namedtag, $async);
		}
	}

	/**
	 * Gets the username
	 * @return string
	 */
	public function getName() : string{
		return $this->username;
	}

	/**
	 * @return string
	 */
	public function getLowerCaseName() : string{
		return $this->iusername;
	}

	public function kill(){
		if(!$this->spawned){
			return;
		}

		parent::kill();

		$this->sendRespawnPacket($this->getSpawn());
	}

	protected function callDeathEvent(){
		$message = "death.attack.generic";

		$params = [
			$this->getDisplayName()
		];

		$cause = $this->getLastDamageCause();

		switch($cause === null ? EntityDamageEvent::CAUSE_CUSTOM : $cause->getCause()){
			case EntityDamageEvent::CAUSE_ENTITY_ATTACK:
				if($cause instanceof EntityDamageByEntityEvent){
					$e = $cause->getDamager();
					if($e instanceof Player){
						$message = "death.attack.player";
						$params[] = $e->getDisplayName();
						break;
					}elseif($e instanceof Living){
						$message = "death.attack.mob";
						$params[] = $e->getNameTag() !== "" ? $e->getNameTag() : $e->getName();
						break;
					}else{
						$params[] = "Unknown";
					}
				}
				break;
			case EntityDamageEvent::CAUSE_PROJECTILE:
				if($cause instanceof EntityDamageByEntityEvent){
					$e = $cause->getDamager();
					if($e instanceof Player){
						$message = "death.attack.arrow";
						$params[] = $e->getDisplayName();
					}elseif($e instanceof Living){
						$message = "death.attack.arrow";
						$params[] = $e->getNameTag() !== "" ? $e->getNameTag() : $e->getName();
						break;
					}else{
						$params[] = "Unknown";
					}
				}
				break;
			case EntityDamageEvent::CAUSE_SUICIDE:
				$message = "death.attack.generic";
				break;
			case EntityDamageEvent::CAUSE_VOID:
				$message = "death.attack.outOfWorld";
				break;
			case EntityDamageEvent::CAUSE_FALL:
				if($cause instanceof EntityDamageEvent){
					if($cause->getFinalDamage() > 2){
						$message = "death.fell.accident.generic";
						break;
					}
				}
				$message = "death.attack.fall";
				break;

			case EntityDamageEvent::CAUSE_SUFFOCATION:
				$message = "death.attack.inWall";
				break;

			case EntityDamageEvent::CAUSE_LAVA:
				$message = "death.attack.lava";
				break;

			case EntityDamageEvent::CAUSE_FIRE:
				$message = "death.attack.onFire";
				break;

			case EntityDamageEvent::CAUSE_FIRE_TICK:
				$message = "death.attack.inFire";
				break;

			case EntityDamageEvent::CAUSE_DROWNING:
				$message = "death.attack.drown";
				break;

			case EntityDamageEvent::CAUSE_CONTACT:
				if($cause instanceof EntityDamageByBlockEvent){
					if($cause->getDamager()->getId() === Block::CACTUS){
						$message = "death.attack.cactus";
					}
				}
				break;

			case EntityDamageEvent::CAUSE_BLOCK_EXPLOSION:
			case EntityDamageEvent::CAUSE_ENTITY_EXPLOSION:
				if($cause instanceof EntityDamageByEntityEvent){
					$e = $cause->getDamager();
					if($e instanceof Player){
						$message = "death.attack.explosion.player";
						$params[] = $e->getDisplayName();
					}elseif($e instanceof Living){
						$message = "death.attack.explosion.player";
						$params[] = $e->getNameTag() !== "" ? $e->getNameTag() : $e->getName();
						break;
					}
				}else{
					$message = "death.attack.explosion";
				}
				break;

			case EntityDamageEvent::CAUSE_MAGIC:
				$message = "death.attack.magic";
				break;

			case EntityDamageEvent::CAUSE_CUSTOM:
				break;

			default:
				break;
		}

		$this->server->getPluginManager()->callEvent($ev = new PlayerDeathEvent($this, $this->getDrops(), new TranslationContainer($message, $params)));

		if(!$ev->getKeepInventory()){
			foreach($ev->getDrops() as $item){
				$this->level->dropItem($this, $item);
			}

			if($this->inventory !== null){
				$this->inventory->clearAll();
				$this->inventory->setHeldItemIndex(0);
				$this->inventory->resetHotbar(true);
			}
		}

		if($ev->getDeathMessage() != ""){
			$this->server->broadcast($ev->getDeathMessage(), Server::BROADCAST_CHANNEL_USERS);
		}
	}

	public function attack(EntityDamageEvent $source){
		if(!$this->isAlive()){
			return;
		}

		if($this->isCreative()
			and $source->getCause() !== EntityDamageEvent::CAUSE_MAGIC
			and $source->getCause() !== EntityDamageEvent::CAUSE_SUICIDE
			and $source->getCause() !== EntityDamageEvent::CAUSE_VOID
		){
			$source->setCancelled();
		}elseif($this->allowFlight and $source->getCause() === EntityDamageEvent::CAUSE_FALL){
			$source->setCancelled();
		}

		parent::attack($source);

		if($source->isCancelled()){
			return;
		}elseif($this->getLastDamageCause() === $source and $this->spawned){
			$pk = new EntityEventPacket();
			$pk->entityRuntimeId = $this->id;
			$pk->event = EntityEventPacket::HURT_ANIMATION;
			$this->dataPacket($pk);

			if($this->isSurvival()){
				$this->exhaust(0.3, PlayerExhaustEvent::CAUSE_DAMAGE);
			}
		}
	}

	public function sendPosition(Vector3 $pos, float $yaw = null, float $pitch = null, int $mode = MovePlayerPacket::MODE_NORMAL, array $targets = null){
		$yaw = $yaw ?? $this->yaw;
		$pitch = $pitch ?? $this->pitch;

		$pk = new MovePlayerPacket();
		$pk->entityRuntimeId = $this->getId();
		$pk->position = $this->getOffsetPosition($pos);
		$pk->bodyYaw = $yaw;
		$pk->pitch = $pitch;
		$pk->yaw = $yaw;
		$pk->mode = $mode;

		if($targets !== null){
			$this->server->broadcastPacket($targets, $pk);
		}else{
			$this->dataPacket($pk);
		}

		$this->newPosition = null;
	}

	/**
	 * {@inheritdoc}
	 */
	public function teleport(Vector3 $pos, float $yaw = null, float $pitch = null) : bool{
		if(parent::teleport($pos, $yaw, $pitch)){

			$this->removeAllWindows();

			$this->sendPosition($this, $this->yaw, $this->pitch, MovePlayerPacket::MODE_TELEPORT);
			$this->sendPosition($this, $this->yaw, $this->pitch, MovePlayerPacket::MODE_TELEPORT, $this->getViewers());

			$this->spawnToAll();

			$this->resetFallDistance();
			$this->nextChunkOrderRun = 0;
			$this->newPosition = null;
			$this->stopSleep();

			$this->isTeleporting = true;

			return true;
		}

		return false;
	}

	/**
	 * @deprecated This functionality is now performed in {@link Player#teleport}.
	 *
	 * @param Vector3    $pos
	 * @param float|null $yaw
	 * @param float|null $pitch
	 *
	 * @return bool
	 */
	public function teleportImmediate(Vector3 $pos, float $yaw = null, float $pitch = null) : bool{
		return $this->teleport($pos, $yaw, $pitch);
	}

	protected function addDefaultWindows(){
		$this->addWindow($this->getInventory(), ContainerIds::INVENTORY, true);

		$this->cursorInventory = new PlayerCursorInventory($this);
		$this->addWindow($this->cursorInventory, ContainerIds::CURSOR, true);

		$this->craftingGrid = new CraftingGrid($this);

		//TODO: more windows
	}

	public function getCursorInventory() : PlayerCursorInventory{
		return $this->cursorInventory;
	}

	public function getCraftingGrid() : CraftingGrid{
		return $this->craftingGrid;
	}

	/**
	 * @param CraftingGrid $grid
	 */
	public function setCraftingGrid(CraftingGrid $grid) : void{
		$this->craftingGrid = $grid;
	}

	public function resetCraftingGridType() : void{
		$contents = $this->craftingGrid->getContents();
		if(count($contents) > 0){
			$drops = $this->inventory->addItem(...$contents);
			foreach($drops as $drop){
				$this->dropItem($drop);
			}

			$this->craftingGrid->clearAll();
		}

		if($this->craftingGrid instanceof BigCraftingGrid){
			$this->craftingGrid = new CraftingGrid($this);
			$this->craftingType = 0;
		}
	}

	/**
	 * Returns the window ID which the inventory has for this player, or -1 if the window is not open to the player.
	 *
	 * @param Inventory $inventory
	 *
	 * @return int
	 */
	public function getWindowId(Inventory $inventory) : int{
		if($this->windows->contains($inventory)){
			/** @var int $id */
			$id = $this->windows[$inventory];
			return $id;
		}

		return ContainerIds::NONE;
	}

	/**
	 * Returns the inventory window open to the player with the specified window ID, or null if no window is open with
	 * that ID.
	 *
	 * @param int $windowId
	 *
	 * @return Inventory|null
	 */
	public function getWindow(int $windowId){
		return $this->windowIndex[$windowId] ?? null;
	}

	/**
	 * Opens an inventory window to the player. Returns the ID of the created window, or the existing window ID if the
	 * player is already viewing the specified inventory.
	 *
	 * @param Inventory $inventory
	 * @param int|null  $forceId Forces a special ID for the window
	 * @param bool      $isPermanent Prevents the window being removed if true.
	 *
	 * @return int
	 */
	public function addWindow(Inventory $inventory, int $forceId = null, bool $isPermanent = false) : int{
		if(($id = $this->getWindowId($inventory)) !== ContainerIds::NONE){
			return $id;
		}

		if($forceId === null){
			$this->windowCnt = $cnt = max(ContainerIds::FIRST, ++$this->windowCnt % ContainerIds::LAST);
		}else{
			$cnt = $forceId;
		}
		$this->windowIndex[$cnt] = $inventory;
		$this->windows->attach($inventory, $cnt);
		if($inventory->open($this)){
			if($isPermanent){
				$this->permanentWindows[$cnt] = true;
			}
			return $cnt;
		}else{
			$this->removeWindow($inventory);

			return -1;
		}
	}

	/**
	 * Removes an inventory window from the player.
	 *
	 * @param Inventory $inventory
	 * @param bool      $force Forces removal of permanent windows such as normal inventory, cursor
	 *
	 * @throws \BadMethodCallException if trying to remove a fixed inventory window without the `force` parameter as true
	 */
	public function removeWindow(Inventory $inventory, bool $force = false){
		if($this->windows->contains($inventory)){
			/** @var int $id */
			$id = $this->windows[$inventory];
			if(!$force and isset($this->permanentWindows[$id])){
				throw new \BadMethodCallException("Cannot remove fixed window $id (" . get_class($inventory) . ") from " . $this->getName());
			}
			$this->windows->detach($this->windowIndex[$id]);
			unset($this->windowIndex[$id]);
			unset($this->permanentWindows[$id]);
		}

		$inventory->close($this);
	}

	/**
	 * Removes all inventory windows from the player. By default this WILL NOT remove permanent windows.
	 *
	 * @param bool $removePermanentWindows Whether to remove permanent windows.
	 */
	public function removeAllWindows(bool $removePermanentWindows = false){
		foreach($this->windowIndex as $id => $window){
			if(!$removePermanentWindows and isset($this->permanentWindows[$id])){
				continue;
			}

			$this->removeWindow($window, $removePermanentWindows);
		}
	}

	public function setMetadata(string $metadataKey, MetadataValue $newMetadataValue){
		$this->server->getPlayerMetadata()->setMetadata($this, $metadataKey, $newMetadataValue);
	}

	public function getMetadata(string $metadataKey){
		return $this->server->getPlayerMetadata()->getMetadata($this, $metadataKey);
	}

	public function hasMetadata(string $metadataKey) : bool{
		return $this->server->getPlayerMetadata()->hasMetadata($this, $metadataKey);
	}

	public function removeMetadata(string $metadataKey, Plugin $owningPlugin){
		$this->server->getPlayerMetadata()->removeMetadata($this, $metadataKey, $owningPlugin);
	}

	public function onChunkChanged(Chunk $chunk){
		if(isset($this->usedChunks[$hash = Level::chunkHash($chunk->getX(), $chunk->getZ())])){
			$this->usedChunks[$hash] = false;
			if(!$this->spawned){
				$this->nextChunkOrderRun = 0;
			}
		}
	}

	public function onChunkLoaded(Chunk $chunk){

	}

	public function onChunkPopulated(Chunk $chunk){

	}

	public function onChunkUnloaded(Chunk $chunk){

	}

	public function onBlockChanged(Vector3 $block){

	}

	public function getLoaderId() : int{
		return $this->loaderId;
	}

	public function isLoaderActive() : bool{
		return $this->isConnected();
	}
}