PaperMC/Spigot-API-Patches/0061-ensureServerConversions-API.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Wed, 4 May 2016 23:55:48 -0400
Subject: [PATCH] ensureServerConversions API

This will take a Bukkit ItemStack and run it through any conversions a server process would perform on it,
to ensure it meets latest minecraft expectations.

diff --git a/src/main/java/org/bukkit/inventory/ItemFactory.java b/src/main/java/org/bukkit/inventory/ItemFactory.java
index 6cc4bad2ecd19f44a680ff03cbfb99d48ea5c337..42551f8aa6666a6144815b619327c6d8f3c3776b 100644
--- a/src/main/java/org/bukkit/inventory/ItemFactory.java
+++ b/src/main/java/org/bukkit/inventory/ItemFactory.java
@@ -160,5 +160,17 @@ public interface ItemFactory {
      */
     @NotNull
     net.kyori.adventure.text.Component displayName(@NotNull ItemStack itemStack);
+
+    /**
+     * Minecraft updates are converting simple item stacks into more complex NBT oriented Item Stacks.
+     *
+     * Use this method to to ensure any desired data conversions are processed.
+     * The input itemstack will not be the same as the returned itemstack.
+     *
+     * @param item The item to process conversions on
+     * @return A potentially Data Converted ItemStack
+     */
+    @NotNull
+    ItemStack ensureServerConversions(@NotNull ItemStack item);
     // Paper end
 }
diff --git a/src/main/java/org/bukkit/inventory/ItemStack.java b/src/main/java/org/bukkit/inventory/ItemStack.java
index a15abec467bac70116a6fc21a300d4930b909f15..f9d226962f16821d07ac80f1bf69cb01a5de2654 100644
--- a/src/main/java/org/bukkit/inventory/ItemStack.java
+++ b/src/main/java/org/bukkit/inventory/ItemStack.java
@@ -536,7 +536,7 @@ public class ItemStack implements Cloneable, ConfigurationSerializable, net.kyor
             }
         }
 
-        return result;
+        return result.ensureServerConversions(); // Paper
     }
 
     /**
@@ -611,5 +611,18 @@ public class ItemStack implements Cloneable, ConfigurationSerializable, net.kyor
     public @NotNull net.kyori.adventure.text.Component displayName() {
         return Bukkit.getServer().getItemFactory().displayName(this);
     }
+
+    /**
+     * Minecraft updates are converting simple item stacks into more complex NBT oriented Item Stacks.
+     *
+     * Use this method to to ensure any desired data conversions are processed.
+     * The input itemstack will not be the same as the returned itemstack.
+     *
+     * @return A potentially Data Converted ItemStack
+     */
+    @NotNull
+    public ItemStack ensureServerConversions() {
+        return Bukkit.getServer().getItemFactory().ensureServerConversions(this);
+    }
     // Paper end
 }