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 528c860fc0c04431e0ebb2ae6bc96bf9c2d04789..6fad9329213e4e8a3ef9ce7fb568ad22484a11f3 100644
--- a/src/main/java/com/destroystokyo/paper/PaperCommand.java
+++ b/src/main/java/com/destroystokyo/paper/PaperCommand.java
@@ -12,6 +12,7 @@ import com.google.gson.JsonObject;
 import com.google.gson.internal.Streams;
 import com.google.gson.stream.JsonWriter;
 import net.minecraft.core.BlockPos;
+import net.minecraft.nbt.CompoundTag;
 import net.minecraft.network.protocol.game.ClientboundLightUpdatePacket;
 import net.minecraft.resources.ResourceLocation;
 import net.minecraft.server.MCUtil;
@@ -36,7 +37,9 @@ 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;
@@ -59,7 +62,7 @@ import java.util.stream.Collectors;
 
 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", "dumpwaiting", "syncloadinfo", "fixlight").build();
+    private static final ImmutableSet<String> SUBCOMMANDS = ImmutableSet.<String>builder().add("heap", "entity", "reload", "version", "debug", "chunkinfo", "dumpwaiting", "syncloadinfo", "fixlight", "dumpitem").build();
 
     public PaperCommand(String name) {
         super(name);
@@ -168,6 +171,9 @@ public class PaperCommand extends Command {
             case "reload":
                 doReload(sender);
                 break;
+            case "dumpitem":
+                doDumpItem(sender);
+                break;
             case "debug":
                 doDebug(sender, args);
                 break;
@@ -200,6 +206,19 @@ public class PaperCommand extends Command {
         return true;
     }
 
+    private void doDumpItem(CommandSender sender) {
+        ItemStack itemInHand = ((CraftPlayer) sender).getItemInHand();
+        net.minecraft.world.item.ItemStack itemStack = CraftItemStack.asNMSCopy(itemInHand);
+        CompoundTag 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/nbt/Tag.java b/src/main/java/net/minecraft/nbt/Tag.java
index 85e9c5f4620fcf48cb3655fbb2db58b3fb31aa74..ba204cf135be333d4ac1c06ee6c2e961faadf8cb 100644
--- a/src/main/java/net/minecraft/nbt/Tag.java
+++ b/src/main/java/net/minecraft/nbt/Tag.java
@@ -26,6 +26,7 @@ public interface Tag {
         return this.toString();
     }
 
+    default Component getNbtPrettyComponent() { return this.getPrettyDisplay(); } // Paper - OBFHELPER
     default Component getPrettyDisplay() {
         return this.getPrettyDisplay("", 0);
     }