PocketMine-MP/src/pocketmine/command/defaults/VanillaCommand.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/
 *
 *
*/

namespace pocketmine\command\defaults;

use pocketmine\command\Command;
use pocketmine\command\CommandSender;

abstract class VanillaCommand extends Command{
	const MAX_COORD = 30000000;
	const MIN_COORD = -30000000;

	public function __construct($name, $description = "", $usageMessage = null, array $aliases = []){
		parent::__construct($name, $description, $usageMessage, $aliases);
	}

	protected function getInteger(CommandSender $sender, $value, $min = self::MIN_COORD, $max = self::MAX_COORD){
		$i = (int) $value;

		if($i < $min){
			$i = $min;
		}elseif($i > $max){
			$i = $max;
		}

		return $i;
	}

	protected function getRelativeDouble($original, CommandSender $sender, $input, $min = self::MIN_COORD, $max = self::MAX_COORD){
		if($input{0} === "~"){
			$value = $this->getDouble($sender, substr($input, 1));

			return $original + $value;
		}

		return $this->getDouble($sender, $input, $min, $max);
	}

	protected function getDouble(CommandSender $sender, $value, $min = self::MIN_COORD, $max = self::MAX_COORD){
		$i = (double) $value;

		if($i < $min){
			$i = $min;
		}elseif($i > $max){
			$i = $max;
		}

		return $i;
	}
}