Paper/patches/server/0197-ItemStack-getMaxItemUseDuration.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Tue, 5 Jun 2018 23:00:29 -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/craftbukkit/inventory/CraftItemStack.java b/src/main/java/org/bukkit/craftbukkit/inventory/CraftItemStack.java
index d302767e8f01fdfcba9c22e2e35677afc18c0641..45a1f5123e5413cf8dd3db68bb47508567198403 100644
--- a/src/main/java/org/bukkit/craftbukkit/inventory/CraftItemStack.java
+++ b/src/main/java/org/bukkit/craftbukkit/inventory/CraftItemStack.java
@@ -187,6 +187,13 @@ public final class CraftItemStack extends ItemStack {
         return (this.handle == null) ? Material.AIR.getMaxStackSize() : this.handle.getMaxStackSize();
     }
 
+    // Paper start
+    @Override
+    public int getMaxItemUseDuration() {
+        return handle == null ? 0 : handle.getUseDuration();
+    }
+    // Paper end
+
     @Override
     public void addUnsafeEnchantment(Enchantment ench, int level) {
         Preconditions.checkArgument(ench != null, "Enchantment cannot be null");