some patches

patches/server/0200-ItemStack-getMaxItemUseDuration.patch

@@ -0,0 +1,25 @@
+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 ee5989e52ce0b55d8bf867ab10801ba3252c88a5..550d3290c974eebdeb4bf9b90987448c5d3d2999 100644
+--- a/src/main/java/org/bukkit/craftbukkit/inventory/CraftItemStack.java
++++ b/src/main/java/org/bukkit/craftbukkit/inventory/CraftItemStack.java
+@@ -184,6 +184,13 @@ public final class CraftItemStack extends ItemStack {
+         return (this.handle == null) ? Material.AIR.getMaxStackSize() : this.handle.getItem().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");