From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Tue, 5 Jun 2018 22:59:50 -0400
Subject: [PATCH] ItemStack#getMaxItemUseDuration

Allows you to determine how long it takes to use a usable/consumable item

diff --git a/src/main/java/org/bukkit/inventory/ItemStack.java b/src/main/java/org/bukkit/inventory/ItemStack.java
index 29bc12cb3095282a31f01f08ac66c15b24f42524..90cec86f6f75809e2c6e06313b1a96e77c992c18 100644
--- a/src/main/java/org/bukkit/inventory/ItemStack.java
+++ b/src/main/java/org/bukkit/inventory/ItemStack.java
@@ -13,6 +13,7 @@ import org.bukkit.Translatable;
 import org.bukkit.Utility;
 import org.bukkit.configuration.serialization.ConfigurationSerializable;
 import org.bukkit.enchantments.Enchantment;
+import org.bukkit.entity.LivingEntity;
 import org.bukkit.inventory.meta.Damageable;
 import org.bukkit.inventory.meta.ItemMeta;
 import org.bukkit.material.MaterialData;
@@ -670,5 +671,21 @@ public class ItemStack implements Cloneable, ConfigurationSerializable, Translat
     public String getI18NDisplayName() {
         return Bukkit.getServer().getItemFactory().getI18NDisplayName(this);
     }
+
+    /**
+     * @deprecated use {@link #getMaxItemUseDuration(LivingEntity)}; crossbows, later possibly more items require an entity parameter
+     */
+    @Deprecated(forRemoval = true)
+    public int getMaxItemUseDuration() {
+        return getMaxItemUseDuration(null);
+    }
+
+    public int getMaxItemUseDuration(@NotNull final LivingEntity entity) {
+        if (type == null || type == Material.AIR || !type.isItem()) {
+            return 0;
+        }
+        // Requires access to NMS
+        return ensureServerConversions().getMaxItemUseDuration(entity);
+    }
     // Paper end
 }