Drop pocketmine/uuid for ramsey/uuid

src/Server.php

@@ -92,7 +92,6 @@ use pocketmine\utils\Process;
 use pocketmine\utils\Terminal;
 use pocketmine\utils\TextFormat;
 use pocketmine\utils\Utils;
-use pocketmine\uuid\UUID;
 use pocketmine\world\format\io\WorldProviderManager;
 use pocketmine\world\format\io\WritableWorldProvider;
 use pocketmine\world\generator\Generator;
@@ -100,6 +99,7 @@ use pocketmine\world\generator\GeneratorManager;
 use pocketmine\world\generator\normal\Normal;
 use pocketmine\world\World;
 use pocketmine\world\WorldManager;
+use Ramsey\Uuid\UuidInterface;
 use function array_shift;
 use function array_sum;
 use function base64_encode;
@@ -254,7 +254,7 @@ class Server{
 	/** @var bool */
 	private $forceLanguage = false;
 
-	/** @var UUID */
+	/** @var UuidInterface */
 	private $serverID;
 
 	/** @var \DynamicClassLoader */
@@ -361,7 +361,7 @@ class Server{
 	}
 
 	/**
-	 * @return UUID
+	 * @return UuidInterface
 	 */
 	public function getServerUniqueId(){
 		return $this->serverID;
@@ -637,10 +637,10 @@ class Server{
 	}
 
 	/**
-	 * Returns the player online with a UUID equivalent to the specified UUID object, or null if not found
+	 * Returns the player online with a UUID equivalent to the specified UuidInterface object, or null if not found
 	 */
-	public function getPlayerByUUID(UUID $uuid) : ?Player{
-		return $this->getPlayerByRawUUID($uuid->toBinary());
+	public function getPlayerByUUID(UuidInterface $uuid) : ?Player{
+		return $this->getPlayerByRawUUID($uuid->getBytes());
 	}
 
 	public function getConfigGroup() : ServerConfigGroup{
@@ -1540,7 +1540,7 @@ class Server{
 		foreach($this->playerList as $p){
 			$p->getNetworkSession()->onPlayerAdded($player);
 		}
-		$rawUUID = $player->getUniqueId()->toBinary();
+		$rawUUID = $player->getUniqueId()->getBytes();
 		$this->playerList[$rawUUID] = $player;
 
 		if($this->sendUsageTicker > 0){
@@ -1549,7 +1549,7 @@ class Server{
 	}
 
 	public function removeOnlinePlayer(Player $player) : void{
-		if(isset($this->playerList[$rawUUID = $player->getUniqueId()->toBinary()])){
+		if(isset($this->playerList[$rawUUID = $player->getUniqueId()->getBytes()])){
 			unset($this->playerList[$rawUUID]);
 			foreach($this->playerList as $p){
 				$p->getNetworkSession()->onPlayerRemoved($player);

src/entity/Human.php

@@ -55,8 +55,9 @@ use pocketmine\network\mcpe\protocol\types\entity\StringMetadataProperty;
 use pocketmine\network\mcpe\protocol\types\PlayerListEntry;
 use pocketmine\player\Player;
 use pocketmine\utils\Limits;
-use pocketmine\uuid\UUID;
 use pocketmine\world\sound\TotemUseSound;
+use Ramsey\Uuid\Uuid;
+use Ramsey\Uuid\UuidInterface;
 use function array_filter;
 use function array_key_exists;
 use function array_merge;
@@ -74,7 +75,7 @@ class Human extends Living implements ProjectileSource, InventoryHolder{
 	/** @var EnderChestInventory */
 	protected $enderChestInventory;
 
-	/** @var UUID */
+	/** @var UuidInterface */
 	protected $uuid;
 
 	/** @var Skin */
@@ -113,7 +114,7 @@ class Human extends Living implements ProjectileSource, InventoryHolder{
 		);
 	}
 
-	public function getUniqueId() : UUID{
+	public function getUniqueId() : UuidInterface{
 		return $this->uuid;
 	}
 
@@ -203,7 +204,8 @@ class Human extends Living implements ProjectileSource, InventoryHolder{
 			$this->setNameTag($nameTagTag->getValue());
 		}
 
-		$this->uuid = UUID::fromData((string) $this->getId(), $this->skin->getSkinData(), $this->getNameTag());
+		//TODO: use of NIL UUID for namespace is a hack; we should provide a proper UUID for the namespace
+		$this->uuid = Uuid::uuid3(Uuid::NIL, ((string) $this->getId()) . $this->skin->getSkinData() . $this->getNameTag());
 	}
 
 	protected function initEntity(CompoundTag $nbt) : void{

src/network/mcpe/cache/CraftingDataCache.php

@@ -35,10 +35,9 @@ use pocketmine\network\mcpe\protocol\types\recipe\ShapelessRecipe as ProtocolSha
 use pocketmine\timings\Timings;
 use pocketmine\utils\Binary;
 use pocketmine\utils\SingletonTrait;
-use pocketmine\uuid\UUID;
+use Ramsey\Uuid\Uuid;
 use function array_map;
 use function spl_object_id;
-use function str_repeat;
 
 final class CraftingDataCache{
 	use SingletonTrait;
@@ -72,7 +71,7 @@ final class CraftingDataCache{
 		$pk->cleanRecipes = true;
 
 		$counter = 0;
-		$nullUUID = UUID::fromData(str_repeat("\x00", 16));
+		$nullUUID = Uuid::fromString(Uuid::NIL);
 		$converter = TypeConverter::getInstance();
 		foreach($manager->getShapelessRecipes() as $list){
 			foreach($list as $recipe){

src/network/mcpe/handler/LoginPacketHandler.php

@@ -43,7 +43,7 @@ use pocketmine\player\Player;
 use pocketmine\player\PlayerInfo;
 use pocketmine\player\XboxLivePlayerInfo;
 use pocketmine\Server;
-use pocketmine\uuid\UUID;
+use Ramsey\Uuid\Uuid;
 use function is_array;
 
 /**
@@ -112,11 +112,10 @@ class LoginPacketHandler extends PacketHandler{
 			return true;
 		}
 
-		try{
-			$uuid = UUID::fromString($extraData->identity);
-		}catch(\InvalidArgumentException $e){
-			throw BadPacketException::wrap($e, "Failed to parse login UUID");
+		if(!Uuid::isValid($extraData->identity)){
+			throw new BadPacketException("Invalid login UUID");
 		}
+		$uuid = Uuid::fromString($extraData->identity);
 		if($extraData->XUID !== ""){
 			$playerInfo = new XboxLivePlayerInfo(
 				$extraData->XUID,

src/network/mcpe/protocol/AddPlayerPacket.php

@@ -31,13 +31,13 @@ use pocketmine\network\mcpe\protocol\types\DeviceOS;
 use pocketmine\network\mcpe\protocol\types\entity\EntityLink;
 use pocketmine\network\mcpe\protocol\types\entity\MetadataProperty;
 use pocketmine\network\mcpe\protocol\types\inventory\ItemStack;
-use pocketmine\uuid\UUID;
+use Ramsey\Uuid\UuidInterface;
 use function count;
 
 class AddPlayerPacket extends DataPacket implements ClientboundPacket{
 	public const NETWORK_ID = ProtocolInfo::ADD_PLAYER_PACKET;
 
-	/** @var UUID */
+	/** @var UuidInterface */
 	public $uuid;
 	/** @var string */
 	public $username;

src/network/mcpe/protocol/CraftingEventPacket.php

@@ -27,7 +27,7 @@ namespace pocketmine\network\mcpe\protocol;
 
 use pocketmine\network\mcpe\protocol\serializer\PacketSerializer;
 use pocketmine\network\mcpe\protocol\types\inventory\ItemStack;
-use pocketmine\uuid\UUID;
+use Ramsey\Uuid\UuidInterface;
 use function count;
 
 class CraftingEventPacket extends DataPacket implements ServerboundPacket{
@@ -37,7 +37,7 @@ class CraftingEventPacket extends DataPacket implements ServerboundPacket{
 	public $windowId;
 	/** @var int */
 	public $type;
-	/** @var UUID */
+	/** @var UuidInterface */
 	public $id;
 	/** @var ItemStack[] */
 	public $input = [];

src/network/mcpe/protocol/EmoteListPacket.php

@@ -26,7 +26,7 @@ namespace pocketmine\network\mcpe\protocol;
 #include <rules/DataPacket.h>
 
 use pocketmine\network\mcpe\protocol\serializer\PacketSerializer;
-use pocketmine\uuid\UUID;
+use Ramsey\Uuid\UuidInterface;
 use function count;
 
 class EmoteListPacket extends DataPacket implements ClientboundPacket, ServerboundPacket{
@@ -34,11 +34,11 @@ class EmoteListPacket extends DataPacket implements ClientboundPacket, Serverbou
 
 	/** @var int */
 	private $playerEntityRuntimeId;
-	/** @var UUID[] */
+	/** @var UuidInterface[] */
 	private $emoteIds;
 
 	/**
-	 * @param UUID[] $emoteIds
+	 * @param UuidInterface[] $emoteIds
 	 */
 	public static function create(int $playerEntityRuntimeId, array $emoteIds) : self{
 		$result = new self;
@@ -49,7 +49,7 @@ class EmoteListPacket extends DataPacket implements ClientboundPacket, Serverbou
 
 	public function getPlayerEntityRuntimeId() : int{ return $this->playerEntityRuntimeId; }
 
-	/** @return UUID[] */
+	/** @return UuidInterface[] */
 	public function getEmoteIds() : array{ return $this->emoteIds; }
 
 	protected function decodePayload(PacketSerializer $in) : void{

src/network/mcpe/protocol/PlayerSkinPacket.php

@@ -27,12 +27,12 @@ namespace pocketmine\network\mcpe\protocol;
 
 use pocketmine\network\mcpe\protocol\serializer\PacketSerializer;
 use pocketmine\network\mcpe\protocol\types\skin\SkinData;
-use pocketmine\uuid\UUID;
+use Ramsey\Uuid\UuidInterface;
 
 class PlayerSkinPacket extends DataPacket implements ClientboundPacket, ServerboundPacket{
 	public const NETWORK_ID = ProtocolInfo::PLAYER_SKIN_PACKET;
 
-	/** @var UUID */
+	/** @var UuidInterface */
 	public $uuid;
 	/** @var string */
 	public $oldSkinName = "";
@@ -41,7 +41,7 @@ class PlayerSkinPacket extends DataPacket implements ClientboundPacket, Serverbo
 	/** @var SkinData */
 	public $skin;
 
-	public static function create(UUID $uuid, SkinData $skinData) : self{
+	public static function create(UuidInterface $uuid, SkinData $skinData) : self{
 		$result = new self;
 		$result->uuid = $uuid;
 		$result->skin = $skinData;

src/network/mcpe/protocol/serializer/PacketSerializer.php

@@ -60,9 +60,11 @@ use pocketmine\network\mcpe\protocol\types\StructureEditorData;
 use pocketmine\network\mcpe\protocol\types\StructureSettings;
 use pocketmine\utils\BinaryDataException;
 use pocketmine\utils\BinaryStream;
-use pocketmine\uuid\UUID;
+use Ramsey\Uuid\UuidInterface;
 use function count;
 use function strlen;
+use function strrev;
+use function substr;
 
 class PacketSerializer extends BinaryStream{
 
@@ -81,21 +83,17 @@ class PacketSerializer extends BinaryStream{
 	/**
 	 * @throws BinaryDataException
 	 */
-	public function getUUID() : UUID{
-		//This is actually two little-endian longs: UUID Most followed by UUID Least
-		$part1 = $this->getLInt();
-		$part0 = $this->getLInt();
-		$part3 = $this->getLInt();
-		$part2 = $this->getLInt();
-
-		return new UUID($part0, $part1, $part2, $part3);
+	public function getUUID() : UuidInterface{
+		//This is two little-endian longs: bytes 7-0 followed by bytes 15-8
+		$p1 = strrev($this->get(8));
+		$p2 = strrev($this->get(8));
+		return \Ramsey\Uuid\Uuid::fromBytes($p1 . $p2);
 	}
 
-	public function putUUID(UUID $uuid) : void{
-		$this->putLInt($uuid->getPart(1));
-		$this->putLInt($uuid->getPart(0));
-		$this->putLInt($uuid->getPart(3));
-		$this->putLInt($uuid->getPart(2));
+	public function putUUID(UuidInterface $uuid) : void{
+		$bytes = $uuid->getBytes();
+		$this->put(strrev(substr($bytes, 0, 8)));
+		$this->put(strrev(substr($bytes, 8, 8)));
 	}
 
 	public function getSkin() : SkinData{

src/network/mcpe/protocol/types/PlayerListEntry.php

@@ -24,11 +24,11 @@ declare(strict_types=1);
 namespace pocketmine\network\mcpe\protocol\types;
 
 use pocketmine\network\mcpe\protocol\types\skin\SkinData;
-use pocketmine\uuid\UUID;
+use Ramsey\Uuid\UuidInterface;
 
 class PlayerListEntry{
 
-	/** @var UUID */
+	/** @var UuidInterface */
 	public $uuid;
 	/** @var int */
 	public $entityUniqueId;
@@ -47,14 +47,14 @@ class PlayerListEntry{
 	/** @var bool */
 	public $isHost = false;
 
-	public static function createRemovalEntry(UUID $uuid) : PlayerListEntry{
+	public static function createRemovalEntry(UuidInterface $uuid) : PlayerListEntry{
 		$entry = new PlayerListEntry();
 		$entry->uuid = $uuid;
 
 		return $entry;
 	}
 
-	public static function createAdditionEntry(UUID $uuid, int $entityUniqueId, string $username, SkinData $skinData, string $xboxUserId = "", string $platformChatId = "", int $buildPlatform = -1, bool $isTeacher = false, bool $isHost = false) : PlayerListEntry{
+	public static function createAdditionEntry(UuidInterface $uuid, int $entityUniqueId, string $username, SkinData $skinData, string $xboxUserId = "", string $platformChatId = "", int $buildPlatform = -1, bool $isTeacher = false, bool $isHost = false) : PlayerListEntry{
 		$entry = new PlayerListEntry();
 		$entry->uuid = $uuid;
 		$entry->entityUniqueId = $entityUniqueId;

src/network/mcpe/protocol/types/command/CommandOriginData.php

@@ -23,7 +23,7 @@ declare(strict_types=1);
 
 namespace pocketmine\network\mcpe\protocol\types\command;
 
-use pocketmine\uuid\UUID;
+use Ramsey\Uuid\UuidInterface;
 
 class CommandOriginData{
 	public const ORIGIN_PLAYER = 0;
@@ -41,7 +41,7 @@ class CommandOriginData{
 
 	/** @var int */
 	public $type;
-	/** @var UUID */
+	/** @var UuidInterface */
 	public $uuid;
 
 	/** @var string */

src/network/mcpe/protocol/types/recipe/MultiRecipe.php

@@ -24,7 +24,7 @@ declare(strict_types=1);
 namespace pocketmine\network\mcpe\protocol\types\recipe;
 
 use pocketmine\network\mcpe\protocol\serializer\PacketSerializer;
-use pocketmine\uuid\UUID;
+use Ramsey\Uuid\UuidInterface;
 
 final class MultiRecipe extends RecipeWithTypeId{
 
@@ -41,18 +41,18 @@ final class MultiRecipe extends RecipeWithTypeId{
 	public const TYPE_FIREWORKS = "00000000-0000-0000-0000-000000000002";
 	public const TYPE_MAP_LOCKING_CARTOGRAPHY = "602234E4-CAC1-4353-8BB7-B1EBFF70024B";
 
-	/** @var UUID */
+	/** @var UuidInterface */
 	private $recipeId;
 	/** @var int */
 	private $recipeNetId;
 
-	public function __construct(int $typeId, UUID $recipeId, int $recipeNetId){
+	public function __construct(int $typeId, UuidInterface $recipeId, int $recipeNetId){
 		parent::__construct($typeId);
 		$this->recipeId = $recipeId;
 		$this->recipeNetId = $recipeNetId;
 	}
 
-	public function getRecipeId() : UUID{
+	public function getRecipeId() : UuidInterface{
 		return $this->recipeId;
 	}
 

src/network/mcpe/protocol/types/recipe/ShapedRecipe.php

@@ -25,7 +25,7 @@ namespace pocketmine\network\mcpe\protocol\types\recipe;
 
 use pocketmine\network\mcpe\protocol\serializer\PacketSerializer;
 use pocketmine\network\mcpe\protocol\types\inventory\ItemStack;
-use pocketmine\uuid\UUID;
+use Ramsey\Uuid\UuidInterface;
 use function count;
 
 final class ShapedRecipe extends RecipeWithTypeId{
@@ -36,7 +36,7 @@ final class ShapedRecipe extends RecipeWithTypeId{
 	private $input;
 	/** @var ItemStack[] */
 	private $output;
-	/** @var UUID */
+	/** @var UuidInterface */
 	private $uuid;
 	/** @var string */
 	private $blockName;
@@ -49,7 +49,7 @@ final class ShapedRecipe extends RecipeWithTypeId{
 	 * @param RecipeIngredient[][] $input
 	 * @param ItemStack[]          $output
 	 */
-	public function __construct(int $typeId, string $recipeId, array $input, array $output, UUID $uuid, string $blockType, int $priority, int $recipeNetId){
+	public function __construct(int $typeId, string $recipeId, array $input, array $output, UuidInterface $uuid, string $blockType, int $priority, int $recipeNetId){
 		parent::__construct($typeId);
 		$rows = count($input);
 		if($rows < 1 or $rows > 3){
@@ -98,7 +98,7 @@ final class ShapedRecipe extends RecipeWithTypeId{
 		return $this->output;
 	}
 
-	public function getUuid() : UUID{
+	public function getUuid() : UuidInterface{
 		return $this->uuid;
 	}
 

src/network/mcpe/protocol/types/recipe/ShapelessRecipe.php

@@ -25,7 +25,7 @@ namespace pocketmine\network\mcpe\protocol\types\recipe;
 
 use pocketmine\network\mcpe\protocol\serializer\PacketSerializer;
 use pocketmine\network\mcpe\protocol\types\inventory\ItemStack;
-use pocketmine\uuid\UUID;
+use Ramsey\Uuid\UuidInterface;
 use function count;
 
 final class ShapelessRecipe extends RecipeWithTypeId{
@@ -36,7 +36,7 @@ final class ShapelessRecipe extends RecipeWithTypeId{
 	private $inputs;
 	/** @var ItemStack[] */
 	private $outputs;
-	/** @var UUID */
+	/** @var UuidInterface */
 	private $uuid;
 	/** @var string */
 	private $blockName;
@@ -49,7 +49,7 @@ final class ShapelessRecipe extends RecipeWithTypeId{
 	 * @param RecipeIngredient[] $inputs
 	 * @param ItemStack[]        $outputs
 	 */
-	public function __construct(int $typeId, string $recipeId, array $inputs, array $outputs, UUID $uuid, string $blockName, int $priority, int $recipeNetId){
+	public function __construct(int $typeId, string $recipeId, array $inputs, array $outputs, UuidInterface $uuid, string $blockName, int $priority, int $recipeNetId){
 		parent::__construct($typeId);
 		$this->recipeId = $recipeId;
 		$this->inputs = $inputs;
@@ -78,7 +78,7 @@ final class ShapelessRecipe extends RecipeWithTypeId{
 		return $this->outputs;
 	}
 
-	public function getUuid() : UUID{
+	public function getUuid() : UuidInterface{
 		return $this->uuid;
 	}
 

src/network/mcpe/protocol/types/skin/SkinData.php

@@ -23,7 +23,7 @@ declare(strict_types=1);
 
 namespace pocketmine\network\mcpe\protocol\types\skin;
 
-use pocketmine\uuid\UUID;
+use Ramsey\Uuid\Uuid;
 
 class SkinData{
 
@@ -86,7 +86,7 @@ class SkinData{
 		$this->personaCapeOnClassic = $personaCapeOnClassic;
 		$this->capeId = $capeId;
 		//this has to be unique or the client will do stupid things
-		$this->fullSkinId = $fullSkinId ?? UUID::fromRandom()->toString();
+		$this->fullSkinId = $fullSkinId ?? Uuid::uuid4()->toString();
 		$this->armSize = $armSize;
 		$this->skinColor = $skinColor;
 		$this->personaPieces = $personaPieces;

src/player/Player.php

@@ -101,7 +101,6 @@ use pocketmine\permission\PermissibleDelegateTrait;
 use pocketmine\Server;
 use pocketmine\timings\Timings;
 use pocketmine\utils\TextFormat;
-use pocketmine\uuid\UUID;
 use pocketmine\world\ChunkListener;
 use pocketmine\world\ChunkListenerNoOpTrait;
 use pocketmine\world\format\Chunk;
@@ -110,6 +109,7 @@ use pocketmine\world\sound\EntityAttackNoDamageSound;
 use pocketmine\world\sound\EntityAttackSound;
 use pocketmine\world\sound\FireExtinguishSound;
 use pocketmine\world\World;
+use Ramsey\Uuid\UuidInterface;
 use function abs;
 use function assert;
 use function count;
@@ -397,7 +397,7 @@ class Player extends Human implements CommandSender, ChunkListener, IPlayer{
 	 * as SimpleAuth for authentication. This is NOT SAFE anymore as this UUID is now what was given by the client, NOT
 	 * a server-computed UUID.)
 	 */
-	public function getUniqueId() : UUID{
+	public function getUniqueId() : UuidInterface{
 		return parent::getUniqueId();
 	}
 
@@ -471,14 +471,14 @@ class Player extends Human implements CommandSender, ChunkListener, IPlayer{
 	}
 
 	public function canSee(Player $player) : bool{
-		return !isset($this->hiddenPlayers[$player->getUniqueId()->toBinary()]);
+		return !isset($this->hiddenPlayers[$player->getUniqueId()->getBytes()]);
 	}
 
 	public function hidePlayer(Player $player) : void{
 		if($player === $this){
 			return;
 		}
-		$this->hiddenPlayers[$player->getUniqueId()->toBinary()] = true;
+		$this->hiddenPlayers[$player->getUniqueId()->getBytes()] = true;
 		$player->despawnFrom($this);
 	}
 
@@ -486,7 +486,7 @@ class Player extends Human implements CommandSender, ChunkListener, IPlayer{
 		if($player === $this){
 			return;
 		}
-		unset($this->hiddenPlayers[$player->getUniqueId()->toBinary()]);
+		unset($this->hiddenPlayers[$player->getUniqueId()->getBytes()]);
 		if($player->isOnline()){
 			$player->spawnTo($this);
 		}

src/player/PlayerInfo.php

@@ -25,7 +25,7 @@ namespace pocketmine\player;
 
 use pocketmine\entity\Skin;
 use pocketmine\utils\TextFormat;
-use pocketmine\uuid\UUID;
+use Ramsey\Uuid\UuidInterface;
 
 /**
  * Encapsulates data needed to create a player.
@@ -34,7 +34,7 @@ class PlayerInfo{
 
 	/** @var string */
 	private $username;
-	/** @var UUID */
+	/** @var UuidInterface */
 	private $uuid;
 	/** @var Skin */
 	private $skin;
@@ -50,7 +50,7 @@ class PlayerInfo{
 	 * @param mixed[] $extraData
 	 * @phpstan-param array<string, mixed> $extraData
 	 */
-	public function __construct(string $username, UUID $uuid, Skin $skin, string $locale, array $extraData = []){
+	public function __construct(string $username, UuidInterface $uuid, Skin $skin, string $locale, array $extraData = []){
 		$this->username = TextFormat::clean($username);
 		$this->uuid = $uuid;
 		$this->skin = $skin;
@@ -62,7 +62,7 @@ class PlayerInfo{
 		return $this->username;
 	}
 
-	public function getUuid() : UUID{
+	public function getUuid() : UuidInterface{
 		return $this->uuid;
 	}
 

src/player/XboxLivePlayerInfo.php

@@ -24,7 +24,7 @@ declare(strict_types=1);
 namespace pocketmine\player;
 
 use pocketmine\entity\Skin;
-use pocketmine\uuid\UUID;
+use Ramsey\Uuid\UuidInterface;
 
 /**
  * Encapsulates player info specific to players who are authenticated with XBOX Live.
@@ -34,7 +34,7 @@ final class XboxLivePlayerInfo extends PlayerInfo{
 	/** @var string */
 	private $xuid;
 
-	public function __construct(string $xuid, string $username, UUID $uuid, Skin $skin, string $locale, array $extraData = []){
+	public function __construct(string $xuid, string $username, UuidInterface $uuid, Skin $skin, string $locale, array $extraData = []){
 		parent::__construct($username, $uuid, $skin, $locale, $extraData);
 		$this->xuid = $xuid;
 	}

src/stats/SendUsageTask.php

@@ -31,8 +31,8 @@ use pocketmine\utils\AssumptionFailedError;
 use pocketmine\utils\Internet;
 use pocketmine\utils\Process;
 use pocketmine\utils\Utils;
-use pocketmine\uuid\UUID;
 use pocketmine\VersionInfo;
+use Ramsey\Uuid\Uuid;
 use function array_map;
 use function array_values;
 use function count;
@@ -65,7 +65,7 @@ class SendUsageTask extends AsyncTask{
 		$data = [];
 		$data["uniqueServerId"] = $server->getServerUniqueId()->toString();
 		$data["uniqueMachineId"] = Utils::getMachineUniqueId()->toString();
-		$data["uniqueRequestId"] = UUID::fromData($server->getServerUniqueId()->toString(), microtime(false))->toString();
+		$data["uniqueRequestId"] = Uuid::uuid3($server->getServerUniqueId()->toString(), microtime(false))->toString();
 
 		switch($type){
 			case self::TYPE_OPEN:
@@ -127,7 +127,7 @@ class SendUsageTask extends AsyncTask{
 					$playerList[$k] = md5($v);
 				}
 
-				$players = array_map(function(Player $p) : string{ return md5($p->getUniqueId()->toBinary()); }, $server->getOnlinePlayers());
+				$players = array_map(function(Player $p) : string{ return md5($p->getUniqueId()->getBytes()); }, $server->getOnlinePlayers());
 
 				$data["players"] = [
 					"count" => count($players),

src/utils/Utils.php

@@ -28,7 +28,8 @@ declare(strict_types=1);
 namespace pocketmine\utils;
 
 use DaveRandom\CallbackValidator\CallbackType;
-use pocketmine\uuid\UUID;
+use Ramsey\Uuid\Uuid;
+use Ramsey\Uuid\UuidInterface;
 use function array_combine;
 use function array_map;
 use function array_reverse;
@@ -93,7 +94,7 @@ final class Utils{
 
 	/** @var string|null */
 	private static $os;
-	/** @var UUID|null */
+	/** @var UuidInterface|null */
 	private static $serverUniqueId = null;
 
 	/**
@@ -178,7 +179,7 @@ final class Utils{
 	 *
 	 * @param string $extra optional, additional data to identify the machine
 	 */
-	public static function getMachineUniqueId(string $extra = "") : UUID{
+	public static function getMachineUniqueId(string $extra = "") : UuidInterface{
 		if(self::$serverUniqueId !== null and $extra === ""){
 			return self::$serverUniqueId;
 		}
@@ -234,7 +235,8 @@ final class Utils{
 			$data .= $ext . ":" . phpversion($ext);
 		}
 
-		$uuid = UUID::fromData($machine, $data);
+		//TODO: use of NIL as namespace is a hack; it works for now, but we should have a proper namespace UUID
+		$uuid = Uuid::uuid3(Uuid::NIL, $data);
 
 		if($extra === ""){
 			self::$serverUniqueId = $uuid;

src/world/particle/FloatingTextParticle.php

@@ -36,7 +36,7 @@ use pocketmine\network\mcpe\protocol\types\entity\FloatMetadataProperty;
 use pocketmine\network\mcpe\protocol\types\entity\LongMetadataProperty;
 use pocketmine\network\mcpe\protocol\types\inventory\ItemStack;
 use pocketmine\network\mcpe\protocol\types\PlayerListEntry;
-use pocketmine\uuid\UUID;
+use Ramsey\Uuid\Uuid;
 use function str_repeat;
 
 class FloatingTextParticle implements Particle{
@@ -90,7 +90,7 @@ class FloatingTextParticle implements Particle{
 		}
 
 		if(!$this->invisible){
-			$uuid = UUID::fromRandom();
+			$uuid = Uuid::uuid4();
 			$name = $this->title . ($this->text !== "" ? "\n" . $this->text : "");
 
 			$p[] = PlayerListPacket::add([PlayerListEntry::createAdditionEntry($uuid, $this->entityId, $name, SkinAdapterSingleton::get()->toSkinData(new Skin("Standard_Custom", str_repeat("\x00", 8192))))]);