TeleportCommand.php

<?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\command\defaults;
 
use pocketmine\command\Command;
use pocketmine\command\CommandSender;
use pocketmine\command\utils\InvalidCommandSyntaxException;
use pocketmine\entity\Location;
use pocketmine\lang\KnownTranslationFactory;
use pocketmine\permission\DefaultPermissionNames;
use pocketmine\player\Player;
use pocketmine\utils\AssumptionFailedError;
use pocketmine\utils\TextFormat;
use pocketmine\world\World;
use function array_shift;
use function count;
use function round;
 
class TeleportCommand extends VanillaCommand{
 
    public function __construct(){
        parent::__construct(
            "tp",
            KnownTranslationFactory::pocketmine_command_tp_description(),
            KnownTranslationFactory::commands_tp_usage(),
            ["teleport"]
        );
        $this->setPermissions([
            DefaultPermissionNames::COMMAND_TELEPORT_SELF,
            DefaultPermissionNames::COMMAND_TELEPORT_OTHER
        ]);
    }
 
    private function findPlayer(CommandSender $sender, string $playerName) : ?Player{
        $subject = $sender->getServer()->getPlayerByPrefix($playerName);
        if($subject === null){
            $sender->sendMessage(TextFormat::RED . "Can't find player " . $playerName);
            return null;
        }
        return $subject;
    }
 
    public function execute(CommandSender $sender, string $commandLabel, array $args){
        switch(count($args)){
            case 1: // /tp targetPlayer
            case 3: // /tp x y z
            case 5: // /tp x y z yaw pitch - TODO: 5 args could be target x y z yaw :(
                $subjectName = null; //self
                break;
            case 2: // /tp player1 player2
            case 4: // /tp player1 x y z - TODO: 4 args could be x y z yaw :(
            case 6: // /tp player1 x y z yaw pitch
                $subjectName = array_shift($args);
                break;
            default:
                throw new InvalidCommandSyntaxException();
        }
 
        $subject = $this->fetchPermittedPlayerTarget($sender, $subjectName, DefaultPermissionNames::COMMAND_TELEPORT_SELF, DefaultPermissionNames::COMMAND_TELEPORT_OTHER);
        if($subject === null){
            return true;
        }
 
        switch(count($args)){
            case 1:
                $targetPlayer = $this->findPlayer($sender, $args[0]);
                if($targetPlayer === null){
                    return true;
                }
 
                $subject->teleport($targetPlayer->getLocation());
                Command::broadcastCommandMessage($sender, KnownTranslationFactory::commands_tp_success($subject->getName(), $targetPlayer->getName()));
 
                return true;
            case 3:
            case 5:
                $base = $subject->getLocation();
                if(count($args) === 5){
                    $yaw = (float) $args[3];
                    $pitch = (float) $args[4];
                }else{
                    $yaw = $base->yaw;
                    $pitch = $base->pitch;
                }
 
                $x = $this->getRelativeDouble($base->x, $sender, $args[0]);
                $y = $this->getRelativeDouble($base->y, $sender, $args[1], World::Y_MIN, World::Y_MAX);
                $z = $this->getRelativeDouble($base->z, $sender, $args[2]);
                $targetLocation = new Location($x, $y, $z, $base->getWorld(), $yaw, $pitch);
 
                $subject->teleport($targetLocation);
                Command::broadcastCommandMessage($sender, KnownTranslationFactory::commands_tp_success_coordinates(
                    $subject->getName(),
                    (string) round($targetLocation->x, 2),
                    (string) round($targetLocation->y, 2),
                    (string) round($targetLocation->z, 2)
                ));
                return true;
            default:
                throw new AssumptionFailedError("This branch should be unreachable (for now)");
        }
    }
}