OfflinePlayer no longer depends on Server

it also doesn't provide stuff like isOnline() (you had to have a Server reference to get an OfflinePlayer anyway, just ask the Server if the player is online ...) and getPlayer().

src/Server.php

@@ -500,7 +500,7 @@ class Server{
 		$result = $this->getPlayerExact($name);
 
 		if($result === null){
-			$result = new OfflinePlayer($this, $name);
+			$result = new OfflinePlayer($name, $this->getOfflinePlayerData($name));
 		}
 
 		return $result;

src/player/IPlayer.php

@@ -25,8 +25,6 @@ namespace pocketmine\player;
 
 interface IPlayer{
 
-	public function isOnline() : bool;
-
 	public function getName() : string;
 
 	public function getFirstPlayed() : ?int;

src/player/OfflinePlayer.php

@@ -25,35 +25,23 @@ namespace pocketmine\player;
 
 use pocketmine\nbt\tag\CompoundTag;
 use pocketmine\nbt\tag\LongTag;
-use pocketmine\Server;
 
 class OfflinePlayer implements IPlayer{
 
 	/** @var string */
 	private $name;
-	/** @var Server */
-	private $server;
 	/** @var CompoundTag|null */
-	private $namedtag = null;
+	private $namedtag;
 
-	public function __construct(Server $server, string $name){
-		$this->server = $server;
+	public function __construct(string $name, ?CompoundTag $namedtag){
 		$this->name = $name;
-		$this->namedtag = $this->server->getOfflinePlayerData($this->name);
-	}
-
-	public function isOnline() : bool{
-		return $this->getPlayer() !== null;
+		$this->namedtag = $namedtag;
 	}
 
 	public function getName() : string{
 		return $this->name;
 	}
 
-	public function getPlayer() : ?Player{
-		return $this->server->getPlayerExact($this->name);
-	}
-
 	public function getFirstPlayed() : ?int{
 		return ($this->namedtag !== null and ($firstPlayedTag = $this->namedtag->getTag("firstPlayed")) instanceof LongTag) ? $firstPlayedTag->getValue() : null;
 	}