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 d2ecbcf966cb7e0b27e65fa12806d2181ecf2d39..f953ea6f63d7aee3564d57eb250b02a28d36a187 100644
--- a/src/main/java/com/destroystokyo/paper/PaperCommand.java
+++ b/src/main/java/com/destroystokyo/paper/PaperCommand.java
@@ -20,6 +20,7 @@ import net.minecraft.server.level.ServerPlayer;
 import net.minecraft.server.level.ThreadedLevelLightEngine;
 import net.minecraft.world.entity.EntityType;
 import net.minecraft.world.level.ChunkPos;
+import net.minecraft.network.protocol.game.ClientboundLightUpdatePacket;
 import net.minecraft.resources.ResourceLocation;
 import net.minecraft.server.MCUtil;
 import org.apache.commons.lang3.tuple.MutablePair;
@@ -32,7 +33,9 @@ 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;
@@ -63,7 +66,7 @@ import static net.kyori.adventure.text.format.NamedTextColor.YELLOW;
 
 public class PaperCommand extends Command {
     private static final String BASE_PERM = "bukkit.command.paper.";
-    private static final ImmutableSet<String> SUBCOMMANDS = ImmutableSet.<String>builder().add("heap", "entity", "reload", "version", "debug", "chunkinfo", "fixlight", "syncloadinfo").build();
+    private static final ImmutableSet<String> SUBCOMMANDS = ImmutableSet.<String>builder().add("heap", "entity", "reload", "version", "debug", "chunkinfo", "fixlight", "syncloadinfo", "dumpitem").build();
 
     public PaperCommand(String name) {
         super(name);
@@ -177,6 +180,9 @@ public class PaperCommand extends Command {
             case "reload":
                 doReload(sender);
                 break;
+            case "dumpitem":
+                doDumpItem(sender);
+                break;
             case "debug":
                 doDebug(sender, args);
                 break;
@@ -490,6 +496,23 @@ public class PaperCommand extends Command {
 
         Command.broadcastCommandMessage(sender, text("Paper config reload complete.", GREEN));
     }
+    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.world.item.ItemStack itemStack = CraftItemStack.asNMSCopy(itemInHand);
+        net.minecraft.nbt.CompoundTag tag = itemStack.getTag();
+        if (tag != null) {
+            net.kyori.adventure.text.Component nbtComponent = io.papermc.paper.adventure.PaperAdventure.asAdventure(net.minecraft.nbt.NbtUtils.toPrettyComponent(tag));
+            Bukkit.getConsoleSender().sendMessage(nbtComponent);
+            sender.sendMessage(nbtComponent);
+        } 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");