Implemented armor durability

src/pocketmine/entity/Living.php

@@ -44,6 +44,7 @@ use pocketmine\nbt\tag\FloatTag;
 use pocketmine\nbt\tag\IntTag;
 use pocketmine\nbt\tag\ListTag;
 use pocketmine\network\mcpe\protocol\EntityEventPacket;
+use pocketmine\network\mcpe\protocol\LevelSoundEventPacket;
 use pocketmine\network\mcpe\protocol\MobEffectPacket;
 use pocketmine\Player;
 use pocketmine\utils\Binary;
@@ -466,6 +467,29 @@ abstract class Living extends Entity implements Damageable{
 	 */
 	protected function applyPostDamageEffects(EntityDamageEvent $source) : void{
 		$this->setAbsorption(max(0, $this->getAbsorption() + $source->getDamage(EntityDamageEvent::MODIFIER_ABSORPTION)));
+		$this->damageArmor($source->getDamage(EntityDamageEvent::MODIFIER_BASE));
+	}
+
+	/**
+	 * Damages the worn armour according to the amount of damage given. Each 4 points (rounded down) deals 1 damage
+	 * point to each armour piece, but never less than 1 total.
+	 *
+	 * @param float $damage
+	 */
+	public function damageArmor(float $damage) : void{
+		$durabilityRemoved = (int) max(floor($damage / 4), 1);
+
+		$armor = $this->armorInventory->getContents(true);
+		foreach($armor as $item){
+			if($item instanceof Armor){
+				$item->applyDamage($durabilityRemoved);
+				if($item->isBroken()){
+					$this->level->broadcastLevelSoundEvent($this, LevelSoundEventPacket::SOUND_BREAK);
+				}
+			}
+		}
+
+		$this->armorInventory->setContents($armor);
 	}
 
 	public function attack(EntityDamageEvent $source){

src/pocketmine/item/Armor.php

@@ -25,12 +25,13 @@ 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;
 
-abstract class Armor extends Item{
+abstract class Armor extends Durable{
 
 	public const TAG_CUSTOM_COLOR = "customColor"; //TAG_Int
 
@@ -78,4 +79,21 @@ abstract class Armor extends Item{
 
 		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;
+	}
 }

src/pocketmine/item/ChainBoots.php

@@ -32,4 +32,8 @@ class ChainBoots extends Armor{
 	public function getDefensePoints() : int{
 		return 1;
 	}
+
+	public function getMaxDurability() : int{
+		return 196;
+	}
 }

src/pocketmine/item/ChainChestplate.php

@@ -32,4 +32,8 @@ class ChainChestplate extends Armor{
 	public function getDefensePoints() : int{
 		return 5;
 	}
+
+	public function getMaxDurability() : int{
+		return 241;
+	}
 }

src/pocketmine/item/ChainHelmet.php

@@ -32,4 +32,8 @@ class ChainHelmet extends Armor{
 	public function getDefensePoints() : int{
 		return 2;
 	}
+
+	public function getMaxDurability() : int{
+		return 166;
+	}
 }

src/pocketmine/item/ChainLeggings.php

@@ -32,4 +32,8 @@ class ChainLeggings extends Armor{
 	public function getDefensePoints() : int{
 		return 4;
 	}
+
+	public function getMaxDurability() : int{
+		return 226;
+	}
 }

src/pocketmine/item/DiamondBoots.php

@@ -32,4 +32,8 @@ class DiamondBoots extends Armor{
 	public function getDefensePoints() : int{
 		return 3;
 	}
+
+	public function getMaxDurability() : int{
+		return 430;
+	}
 }

src/pocketmine/item/DiamondChestplate.php

@@ -32,4 +32,8 @@ class DiamondChestplate extends Armor{
 	public function getDefensePoints() : int{
 		return 8;
 	}
+
+	public function getMaxDurability() : int{
+		return 529;
+	}
 }

src/pocketmine/item/DiamondHelmet.php

@@ -32,4 +32,8 @@ class DiamondHelmet extends Armor{
 	public function getDefensePoints() : int{
 		return 3;
 	}
+
+	public function getMaxDurability() : int{
+		return 364;
+	}
 }

src/pocketmine/item/DiamondLeggings.php

@@ -32,4 +32,8 @@ class DiamondLeggings extends Armor{
 	public function getDefensePoints() : int{
 		return 6;
 	}
+
+	public function getMaxDurability() : int{
+		return 496;
+	}
 }

src/pocketmine/item/GoldBoots.php

@@ -32,4 +32,8 @@ class GoldBoots extends Armor{
 	public function getDefensePoints() : int{
 		return 1;
 	}
+
+	public function getMaxDurability() : int{
+		return 92;
+	}
 }

src/pocketmine/item/GoldChestplate.php

@@ -32,4 +32,8 @@ class GoldChestplate extends Armor{
 	public function getDefensePoints() : int{
 		return 5;
 	}
+
+	public function getMaxDurability() : int{
+		return 113;
+	}
 }

src/pocketmine/item/GoldHelmet.php

@@ -32,4 +32,8 @@ class GoldHelmet extends Armor{
 	public function getDefensePoints() : int{
 		return 2;
 	}
+
+	public function getMaxDurability() : int{
+		return 78;
+	}
 }

src/pocketmine/item/GoldLeggings.php

@@ -32,4 +32,8 @@ class GoldLeggings extends Armor{
 	public function getDefensePoints() : int{
 		return 3;
 	}
+
+	public function getMaxDurability() : int{
+		return 106;
+	}
 }

src/pocketmine/item/IronBoots.php

@@ -32,4 +32,8 @@ class IronBoots extends Armor{
 	public function getDefensePoints() : int{
 		return 2;
 	}
+
+	public function getMaxDurability() : int{
+		return 196;
+	}
 }

src/pocketmine/item/IronChestplate.php

@@ -32,4 +32,8 @@ class IronChestplate extends Armor{
 	public function getDefensePoints() : int{
 		return 6;
 	}
+
+	public function getMaxDurability() : int{
+		return 241;
+	}
 }

src/pocketmine/item/IronHelmet.php

@@ -32,4 +32,8 @@ class IronHelmet extends Armor{
 	public function getDefensePoints() : int{
 		return 2;
 	}
+
+	public function getMaxDurability() : int{
+		return 166;
+	}
 }

src/pocketmine/item/IronLeggings.php

@@ -32,4 +32,8 @@ class IronLeggings extends Armor{
 	public function getDefensePoints() : int{
 		return 5;
 	}
+
+	public function getMaxDurability() : int{
+		return 226;
+	}
 }

src/pocketmine/item/LeatherBoots.php

@@ -32,4 +32,8 @@ class LeatherBoots extends Armor{
 	public function getDefensePoints() : int{
 		return 1;
 	}
+
+	public function getMaxDurability() : int{
+		return 66;
+	}
 }

src/pocketmine/item/LeatherCap.php

@@ -32,4 +32,8 @@ class LeatherCap extends Armor{
 	public function getDefensePoints() : int{
 		return 1;
 	}
+
+	public function getMaxDurability() : int{
+		return 56;
+	}
 }

src/pocketmine/item/LeatherPants.php

@@ -32,4 +32,8 @@ class LeatherPants extends Armor{
 	public function getDefensePoints() : int{
 		return 2;
 	}
+
+	public function getMaxDurability() : int{
+		return 76;
+	}
 }

src/pocketmine/item/LeatherTunic.php

@@ -32,4 +32,8 @@ class LeatherTunic extends Armor{
 	public function getDefensePoints() : int{
 		return 3;
 	}
+
+	public function getMaxDurability() : int{
+		return 81;
+	}
 }