Fixed XP orbs trying to track players after teleport

closes #2028

@mal0ne-23, you are today's MVP.

src/pocketmine/command/defaults/TimingsCommand.php

@@ -126,7 +126,7 @@ class TimingsCommand extends VanillaCommand{
 						}
 						list(, $headers) = $result;
 						foreach($headers as $headerGroup){
-							if(isset($headerGroup["location"]) and preg_match('#^http://paste\\.ubuntu\\.com/([0-9]{1,})/#', trim($headerGroup["location"]), $match)){
+							if(isset($headerGroup["location"]) and preg_match('#^http://paste\\.ubuntu\\.com/([A-Za-z0-9+\/=]+)/#', trim($headerGroup["location"]), $match)){
 								$pasteId = $match[1];
 								break;
 							}
@@ -134,7 +134,7 @@ class TimingsCommand extends VanillaCommand{
 						if(isset($pasteId)){
 							$sender->sendMessage(new TranslationContainer("pocketmine.command.timings.timingsUpload", ["http://paste.ubuntu.com/" . $pasteId . "/"]));
 							$sender->sendMessage(new TranslationContainer("pocketmine.command.timings.timingsRead",
-								["http://" . $sender->getServer()->getProperty("timings.host", "timings.pmmp.io") . "/?url=$pasteId"]));
+								["http://" . $sender->getServer()->getProperty("timings.host", "timings.pmmp.io") . "/?url=" . urlencode($pasteId)]));
 						}else{
 							$sender->sendMessage(new TranslationContainer("pocketmine.command.timings.pasteError"));
 						}

src/pocketmine/entity/object/ExperienceOrb.php

@@ -165,16 +165,16 @@ class ExperienceOrb extends Entity{
 		}
 
 		$currentTarget = $this->getTargetPlayer();
+		if($currentTarget !== null and $currentTarget->distanceSquared($this) > self::MAX_TARGET_DISTANCE ** 2){
+			$currentTarget = null;
+		}
 
 		if($this->lookForTargetTime >= 20){
-			if($currentTarget === null or $currentTarget->distanceSquared($this) > self::MAX_TARGET_DISTANCE ** 2){
-				$this->setTargetPlayer(null);
-
+			if($currentTarget === null){
 				$newTarget = $this->level->getNearestEntity($this, self::MAX_TARGET_DISTANCE, Human::class);
 
 				if($newTarget instanceof Human and !($newTarget instanceof Player and $newTarget->isSpectator())){
 					$currentTarget = $newTarget;
-					$this->setTargetPlayer($currentTarget);
 				}
 			}
 
@@ -183,6 +183,8 @@ class ExperienceOrb extends Entity{
 			$this->lookForTargetTime += $tickDiff;
 		}
 
+		$this->setTargetPlayer($currentTarget);
+
 		if($currentTarget !== null){
 			$vector = $currentTarget->subtract($this)->add(0, $currentTarget->getEyeHeight() / 2, 0)->divide(self::MAX_TARGET_DISTANCE);
 

src/pocketmine/level/Level.php

@@ -823,8 +823,10 @@ class Level implements ChunkManager, Metadatable{
 			$this->checkSleep();
 		}
 
-		$this->server->batchPackets($this->players, $this->globalPackets);
-		$this->globalPackets = [];
+		if(!empty($this->players) and !empty($this->globalPackets)){
+			$this->server->batchPackets($this->players, $this->globalPackets);
+			$this->globalPackets = [];
+		}
 
 		foreach($this->chunkPackets as $index => $entries){
 			Level::getXZ($index, $chunkX, $chunkZ);

src/pocketmine/network/mcpe/protocol/ProtocolInfo.php

@@ -39,15 +39,15 @@ interface ProtocolInfo{
 	/**
 	 * Actual Minecraft: PE protocol version
 	 */
-	public const CURRENT_PROTOCOL = 160;
+	public const CURRENT_PROTOCOL = 201;
 	/**
 	 * Current Minecraft PE version reported by the server. This is usually the earliest currently supported version.
 	 */
-	public const MINECRAFT_VERSION = 'v1.2.7';
+	public const MINECRAFT_VERSION = 'v1.2.10';
 	/**
 	 * Version number sent to clients in ping responses.
 	 */
-	public const MINECRAFT_VERSION_NETWORK = '1.2.7';
+	public const MINECRAFT_VERSION_NETWORK = '1.2.10';
 
 	public const LOGIN_PACKET = 0x01;
 	public const PLAY_STATUS_PACKET = 0x02;

src/pocketmine/network/mcpe/protocol/StartGamePacket.php

@@ -96,6 +96,8 @@ class StartGamePacket extends DataPacket{
 	public $defaultPlayerPermission = PlayerPermissions::MEMBER; //TODO
 	/** @var int */
 	public $xboxLiveBroadcastMode = 0; //TODO: find values
+	/** @var int */
+	public $serverChunkTickRadius = 4; //TODO (leave as default for now)
 
 	/** @var string */
 	public $levelId = ""; //base64 string, usually the same as world folder name in vanilla
@@ -143,6 +145,7 @@ class StartGamePacket extends DataPacket{
 		$this->hasTrustPlayersEnabled = $this->getBool();
 		$this->defaultPlayerPermission = $this->getVarInt();
 		$this->xboxLiveBroadcastMode = $this->getVarInt();
+		$this->serverChunkTickRadius = $this->getLInt();
 
 		$this->levelId = $this->getString();
 		$this->worldName = $this->getString();
@@ -186,6 +189,7 @@ class StartGamePacket extends DataPacket{
 		$this->putBool($this->hasTrustPlayersEnabled);
 		$this->putVarInt($this->defaultPlayerPermission);
 		$this->putVarInt($this->xboxLiveBroadcastMode);
+		$this->putLInt($this->serverChunkTickRadius);
 
 		$this->putString($this->levelId);
 		$this->putString($this->worldName);