138 lines
3.3 KiB
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\level;
use pocketmine\math\Vector3;
use pocketmine\utils\MainLogger;
use function assert;
class Position extends Vector3{
/** @var Level|null */
public $level = null;
/**
* @param float|int $x
* @param float|int $y
* @param float|int $z
* @param Level $level
*/
public function __construct($x = 0, $y = 0, $z = 0, Level $level = null){
parent::__construct($x, $y, $z);
$this->setLevel($level);
}
/**
* @param Vector3 $pos
* @param Level|null $level
*
* @return Position
*/
public static function fromObject(Vector3 $pos, Level $level = null){
return new Position($pos->x, $pos->y, $pos->z, $level);
}
/**
* Return a Position instance
*
* @return Position
*/
public function asPosition() : Position{
return new Position($this->x, $this->y, $this->z, $this->level);
}
/**
* Returns the target Level, or null if the target is not valid.
* If a reference exists to a Level which is closed, the reference will be destroyed and null will be returned.
*
* @return Level|null
*/
public function getLevel(){
if($this->level !== null and $this->level->isClosed()){
MainLogger::getLogger()->debug("Position was holding a reference to an unloaded world");
$this->level = null;
}
return $this->level;
}
/**
* Sets the target Level of the position.
*
* @param Level|null $level
*
* @return $this
*
* @throws \InvalidArgumentException if the specified Level has been closed
*/
public function setLevel(Level $level = null){
if($level !== null and $level->isClosed()){
throw new \InvalidArgumentException("Specified world has been unloaded and cannot be used");
}
$this->level = $level;
return $this;
}
/**
* Checks if this object has a valid reference to a loaded Level
*
* @return bool
*/
public function isValid() : bool{
if($this->level !== null and $this->level->isClosed()){
$this->level = null;
return false;
}
return $this->level !== null;
}
/**
* Returns a side Vector
*
* @param int $side
* @param int $step
*
* @return Position
*/
public function getSide(int $side, int $step = 1){
assert($this->isValid());
return Position::fromObject(parent::getSide($side, $step), $this->level);
}
public function __toString(){
return "Position(level=" . ($this->isValid() ? $this->getLevel()->getName() : "null") . ",x=" . $this->x . ",y=" . $this->y . ",z=" . $this->z . ")";
}
public function equals(Vector3 $v) : bool{
if($v instanceof Position){
return parent::equals($v) and $v->getLevel() === $this->getLevel();
}
return parent::equals($v);
}
}