96 lines
2.7 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\item;
use pocketmine\event\entity\EntityDamageEvent;
use pocketmine\item\enchantment\Enchantment;
use pocketmine\item\enchantment\ProtectionEnchantment;
use pocketmine\nbt\tag\IntTag;
use pocketmine\utils\Binary;
use pocketmine\utils\Color;
use function lcg_value;
use function mt_rand;
abstract class Armor extends Durable{
public const TAG_CUSTOM_COLOR = "customColor"; //TAG_Int
public function getMaxStackSize() : int{
return 1;
}
/**
* Returns the dyed colour of this armour piece. This generally only applies to leather armour.
*/
public function getCustomColor() : ?Color{
if($this->getNamedTag()->hasTag(self::TAG_CUSTOM_COLOR, IntTag::class)){
return Color::fromARGB(Binary::unsignInt($this->getNamedTag()->getInt(self::TAG_CUSTOM_COLOR)));
}
return null;
}
/**
* Sets the dyed colour of this armour piece. This generally only applies to leather armour.
*/
public function setCustomColor(Color $color) : void{
$this->setNamedTagEntry(new IntTag(self::TAG_CUSTOM_COLOR, Binary::signInt($color->toARGB())));
}
/**
* Returns the total enchantment protection factor this armour piece offers from all applicable protection
* enchantments on the item.
*/
public function getEnchantmentProtectionFactor(EntityDamageEvent $event) : int{
$epf = 0;
foreach($this->getEnchantments() as $enchantment){
$type = $enchantment->getType();
if($type instanceof ProtectionEnchantment and $type->isApplicable($event)){
$epf += $type->getProtectionFactor($enchantment->getLevel());
}
}
return $epf;
}
protected function getUnbreakingDamageReduction(int $amount) : int{
if(($unbreakingLevel = $this->getEnchantmentLevel(Enchantment::UNBREAKING)) > 0){
$negated = 0;
$chance = 1 / ($unbreakingLevel + 1);
for($i = 0; $i < $amount; ++$i){
if(mt_rand(1, 100) > 60 and lcg_value() > $chance){ //unbreaking only applies to armor 40% of the time at best
$negated++;
}
}
return $negated;
}
return 0;
}
}