2019-07-30 19:14:57 +01:00

121 lines
3.1 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\entity;
use function implode;
use function in_array;
use function json_decode;
use function json_encode;
use function json_last_error_msg;
use function strlen;
final class Skin{
public const ACCEPTED_SKIN_SIZES = [
64 * 32 * 4,
64 * 64 * 4,
128 * 128 * 4
];
/** @var string */
private $skinId;
/** @var string */
private $skinData;
/** @var string */
private $capeData;
/** @var string */
private $geometryName;
/** @var string */
private $geometryData;
public function __construct(string $skinId, string $skinData, string $capeData = "", string $geometryName = "", string $geometryData = ""){
if($skinId === ""){
throw new \InvalidArgumentException("Skin ID must not be empty");
}
$len = strlen($skinData);
if(!in_array($len, self::ACCEPTED_SKIN_SIZES, true)){
throw new \InvalidArgumentException("Invalid skin data size $len bytes (allowed sizes: " . implode(", ", self::ACCEPTED_SKIN_SIZES) . ")");
}
if($capeData !== "" and strlen($capeData) !== 8192){
throw new \InvalidArgumentException("Invalid cape data size " . strlen($capeData) . " bytes (must be exactly 8192 bytes)");
}
if($geometryData !== ""){
$decodedGeometry = json_decode($geometryData);
if($decodedGeometry === false){
throw new \InvalidArgumentException("Invalid geometry data (" . json_last_error_msg() . ")");
}
/*
* Hack to cut down on network overhead due to skins, by un-pretty-printing geometry JSON.
*
* Mojang, some stupid reason, send every single model for every single skin in the selected skin-pack.
* Not only that, they are pretty-printed.
* TODO: find out what model crap can be safely dropped from the packet (unless it gets fixed first)
*/
$geometryData = json_encode($decodedGeometry);
}
$this->skinId = $skinId;
$this->skinData = $skinData;
$this->capeData = $capeData;
$this->geometryName = $geometryName;
$this->geometryData = $geometryData;
}
/**
* @return string
*/
public function getSkinId() : string{
return $this->skinId;
}
/**
* @return string
*/
public function getSkinData() : string{
return $this->skinData;
}
/**
* @return string
*/
public function getCapeData() : string{
return $this->capeData;
}
/**
* @return string
*/
public function getGeometryName() : string{
return $this->geometryName;
}
/**
* @return string
*/
public function getGeometryData() : string{
return $this->geometryData;
}
}