From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Sun, 28 Jun 2020 19:27:20 -0400
Subject: [PATCH] Paper dumpitem command

Let's you quickly view the item in your hands NBT data

diff --git a/src/main/java/com/destroystokyo/paper/PaperCommand.java b/src/main/java/com/destroystokyo/paper/PaperCommand.java
index f60800c3bc06a38493e17b00b815f18cb87cc8bf..0abfe19e204d20af0f8dedbeedb0ef98dfe9d3c8 100644
--- a/src/main/java/com/destroystokyo/paper/PaperCommand.java
+++ b/src/main/java/com/destroystokyo/paper/PaperCommand.java
@@ -21,7 +21,9 @@ import org.bukkit.command.CommandSender;
 import org.bukkit.craftbukkit.CraftServer;
 import org.bukkit.craftbukkit.CraftWorld;
 import org.bukkit.craftbukkit.entity.CraftPlayer;
+import org.bukkit.craftbukkit.inventory.CraftItemStack;
 import org.bukkit.entity.Player;
+import org.bukkit.inventory.ItemStack;
 
 import java.io.File;
 import java.io.FileOutputStream;
@@ -37,14 +39,14 @@ public class PaperCommand extends Command {
     public PaperCommand(String name) {
         super(name);
         this.description = "Paper related commands";
-        this.usageMessage = "/paper [heap | entity | reload | version | debug | dumpwaiting | chunkinfo | syncloadinfo | fixlight]";
+        this.usageMessage = "/paper [heap | entity | reload | version | debug | dumpwaiting | chunkinfo | syncloadinfo | fixlight | dumpitem]";
         this.setPermission("bukkit.command.paper");
     }
 
     @Override
     public List<String> tabComplete(CommandSender sender, String alias, String[] args, Location location) throws IllegalArgumentException {
         if (args.length <= 1)
-            return getListMatchingLast(args, "heap", "entity", "reload", "version", "debug", "dumpwaiting", "chunkinfo", "syncloadinfo", "fixlight");
+            return getListMatchingLast(args, "heap", "entity", "reload", "version", "debug", "dumpwaiting", "chunkinfo", "syncloadinfo", "fixlight", "dumpitem");
 
         switch (args[0].toLowerCase(Locale.ENGLISH))
         {
@@ -133,6 +135,9 @@ public class PaperCommand extends Command {
             case "reload":
                 doReload(sender);
                 break;
+            case "dumpitem":
+                doDumpItem(sender);
+                break;
             case "debug":
                 doDebug(sender, args);
                 break;
@@ -164,6 +169,23 @@ public class PaperCommand extends Command {
         return true;
     }
 
+    private void doDumpItem(CommandSender sender) {
+        if (!(sender instanceof Player)) {
+            sender.sendMessage("Only players can use this command");
+            return;
+        }
+        ItemStack itemInHand = ((CraftPlayer) sender).getItemInHand();
+        net.minecraft.server.ItemStack itemStack = CraftItemStack.asNMSCopy(itemInHand);
+        NBTTagCompound tag = itemStack.getTag();
+        if (tag != null) {
+            String nbt = org.bukkit.craftbukkit.util.CraftChatMessage.fromComponent(tag.getNbtPrettyComponent());
+            Bukkit.getConsoleSender().sendMessage(nbt);
+            sender.sendMessage(nbt);
+        } else {
+            sender.sendMessage("Item does not have NBT");
+        }
+    }
+
     private void doFixLight(CommandSender sender, String[] args) {
         if (!(sender instanceof Player)) {
             sender.sendMessage("Only players can use this command");
diff --git a/src/main/java/net/minecraft/server/NBTBase.java b/src/main/java/net/minecraft/server/NBTBase.java
index 8b9e47b4c7f5dc464fa617a59583df9e30a54045..104b820ee380083ec755c443a4a9c270e525ca45 100644
--- a/src/main/java/net/minecraft/server/NBTBase.java
+++ b/src/main/java/net/minecraft/server/NBTBase.java
@@ -24,6 +24,7 @@ public interface NBTBase {
         return this.toString();
     }
 
+    default IChatBaseComponent getNbtPrettyComponent() { return this.l(); } // Paper - OBFHELPER
     default IChatBaseComponent l() {
         return this.a("", 0);
     }