Added title command and API for resetting title duration

src/pocketmine/Player.php

@@ -3439,11 +3439,20 @@ class Player extends Human implements CommandSender, InventoryHolder, ChunkLoade
 	public function addTitle(string $title, string $subtitle = "", int $fadeIn = -1, int $stay = -1, int $fadeOut = -1){
 		$this->setTitleDuration($fadeIn, $stay, $fadeOut);
 		if($subtitle !== ""){
-			$this->sendTitleText($subtitle, SetTitlePacket::TYPE_SET_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.
 	 *
@@ -3462,6 +3471,15 @@ class Player extends Human implements CommandSender, InventoryHolder, ChunkLoade
 		$this->dataPacket($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.
 	 *

src/pocketmine/command/SimpleCommandMap.php

@@ -57,6 +57,7 @@ use pocketmine\command\defaults\TeleportCommand;
 use pocketmine\command\defaults\TellCommand;
 use pocketmine\command\defaults\TimeCommand;
 use pocketmine\command\defaults\TimingsCommand;
+use pocketmine\command\defaults\TitleCommand;
 use pocketmine\command\defaults\TransferServerCommand;
 use pocketmine\command\defaults\VanillaCommand;
 use pocketmine\command\defaults\VersionCommand;
@@ -115,6 +116,7 @@ class SimpleCommandMap implements CommandMap{
 		$this->register("pocketmine", new TeleportCommand("tp"));
 		$this->register("pocketmine", new TimeCommand("time"));
 		$this->register("pocketmine", new TimingsCommand("timings"));
+		$this->register("pocketmine", new TitleCommand("title"));
 		$this->register("pocketmine", new ReloadCommand("reload"));
 		$this->register("pocketmine", new TransferServerCommand("transferserver"));
 

src/pocketmine/command/defaults/TitleCommand.php

@@ -0,0 +1,102 @@
+<?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/
+ *
+ *
+*/
+
+namespace pocketmine\command\defaults;
+
+use pocketmine\command\CommandSender;
+use pocketmine\event\TranslationContainer;
+use pocketmine\plugin\Plugin;
+use pocketmine\utils\TextFormat;
+
+class TitleCommand extends VanillaCommand{
+
+	public function __construct($name){
+		parent::__construct(
+			$name,
+			"%pocketmine.command.title.description",
+			"%commands.title.usage"
+		);
+		$this->setPermission("pocketmine.command.title");
+	}
+
+	public function execute(CommandSender $sender, $currentAlias, array $args){
+		if(!$this->testPermission($sender)){
+			return true;
+		}
+
+		if(count($args) < 2){
+			$sender->sendMessage(new TranslationContainer("commands.generic.usage", [$this->usageMessage]));
+			return true;
+		}
+
+		$player = $sender->getServer()->getPlayer($args[0]);
+		if($player === null){
+			$sender->sendMessage(new TranslationContainer("commands.generic.player.notFound"));
+			return true;
+		}
+
+		switch($args[1]){
+			case "clear":
+				$player->removeTitles();
+				break;
+			case "reset":
+				$player->resetTitles();
+				break;
+			case "title":
+				if(count($args) < 3){
+					$sender->sendMessage(new TranslationContainer("commands.generic.usage", [$this->usageMessage]));
+					return false;
+				}
+
+				$player->addTitle(implode(" ", array_slice($args, 2)));
+				break;
+			case "subtitle":
+				if(count($args) < 3){
+					$sender->sendMessage(new TranslationContainer("commands.generic.usage", [$this->usageMessage]));
+					return false;
+				}
+
+				$player->addSubTitle(implode(" ", array_slice($args, 2)));
+				break;
+			case "actionbar":
+				if(count($args) < 3){
+					$sender->sendMessage(new TranslationContainer("commands.generic.usage", [$this->usageMessage]));
+					return false;
+				}
+
+				$player->addActionBarMessage(implode(" ", array_slice($args, 2)));
+				break;
+			case "times":
+				if(count($args) < 4){
+					$sender->sendMessage(new TranslationContainer("commands.generic.usage", [$this->usageMessage]));
+					return false;
+				}
+
+				$player->setTitleDuration($this->getInteger($sender, $args[2]), $this->getInteger($sender, $args[3]), $this->getInteger($sender, $args[4]));
+				break;
+			default:
+				$sender->sendMessage(new TranslationContainer("commands.generic.usage", [$this->usageMessage]));
+				return false;
+		}
+
+		$sender->sendMessage(new TranslationContainer("commands.title.success"));
+	}
+}

src/pocketmine/permission/DefaultPermissions.php

@@ -124,6 +124,7 @@ abstract class DefaultPermissions{
 		self::registerPermission(new Permission(self::ROOT . ".command.spawnpoint", "Allows the user to change player's spawnpoint", Permission::DEFAULT_OP), $commands);
 		self::registerPermission(new Permission(self::ROOT . ".command.setworldspawn", "Allows the user to change the world spawn", Permission::DEFAULT_OP), $commands);
 		self::registerPermission(new Permission(self::ROOT . ".command.transferserver", "Allows the user to transfer self to another server", Permission::DEFAULT_OP), $commands);
+		self::registerPermission(new Permission(self::ROOT . ".command.title", "Allows the user to send a title to the specified player", Permission::DEFAULT_OP), $commands);
 
 		$commands->recalculatePermissibles();