Added a command to (re)name items in the Anvil

Added a command to (re)name items in the Anvil

MinecraftClient/Commands/NameItem.cs

@@ -0,0 +1,63 @@
+using System.Linq;
+using Brigadier.NET;
+using Brigadier.NET.Builder;
+using MinecraftClient.CommandHandler;
+using MinecraftClient.Inventory;
+
+namespace MinecraftClient.Commands
+{
+    public class NameItem : Command
+    {
+        public override string CmdName => "nameitem";
+        public override string CmdUsage => "nameitem <item name>";
+
+        public override string CmdDesc => Translations.cmd_nameitem_desc;
+
+        public override void RegisterCommand(CommandDispatcher<CmdResult> dispatcher)
+        {
+            dispatcher.Register(l => l.Literal("help")
+                .Then(l => l.Literal(CmdName)
+                    .Executes(r => GetUsage(r.Source, string.Empty))
+                )
+            );
+
+            dispatcher.Register(l => l.Literal(CmdName)
+                .Then(l => l.Argument("any", Arguments.GreedyString())
+                    .Executes(r => DoSetItemName(r.Source, Arguments.GetString(r, "any"))))
+            );
+        }
+
+        private int GetUsage(CmdResult r, string? cmd)
+        {
+            return r.SetAndReturn(cmd switch
+            {
+#pragma warning disable format // @formatter:off
+                _           =>  GetCmdDescTranslated(),
+#pragma warning restore format // @formatter:on
+            });
+        }
+
+        private int DoSetItemName(CmdResult r, string itemName)
+        {
+            var handler = CmdResult.currentHandler!;
+
+            if (itemName.Trim().Length == 0)
+                return r.SetAndReturn(CmdResult.Status.Fail, Translations.cmd_nameitem_item_name_empty);
+
+            var currentInventory = handler.GetInventories().Count == 0
+                ? null
+                : handler.GetInventories().Values.ToList().Last();
+
+            if (currentInventory is not { Type: ContainerType.Anvil })
+                return r.SetAndReturn(CmdResult.Status.Fail, Translations.cmd_nameitem_no_anvil_inventory_open);
+
+            if (currentInventory.Items[0].IsEmpty)
+                return r.SetAndReturn(CmdResult.Status.Fail,
+                    Translations.cmd_nameitem_first_slot_empty);
+
+            return handler.SendRenameItem(itemName)
+                ? r.SetAndReturn(CmdResult.Status.Done, Translations.cmd_nameitem_successful)
+                : r.SetAndReturn(CmdResult.Status.Fail, Translations.cmd_nameitem_failed);
+        }
+    }
+}

MinecraftClient/McClient.cs

@@ -2391,6 +2391,21 @@ public bool SpectateByUUID(Guid UUID)
                 return false;
             }
         }
+
+        /// <summary>
+        /// Send the server a command to type in the item name in the Anvil inventory when it's open.
+        /// </summary>
+        /// <param name="itemName">The new item name</param>
+        public bool SendRenameItem(string itemName)
+        {
+            if (inventories.Count == 0)
+                return false;
+
+            if (inventories.Values.ToList().Last().Type != ContainerType.Anvil)
+                return false;
+
+            return handler.SendRenameItem(itemName);
+        }
         #endregion
 
         #region Event handlers: An event occurs on the Server

MinecraftClient/Protocol/Handlers/Protocol16.cs

@@ -909,6 +909,11 @@ public bool SendSpectate(Guid UUID)
         {
             return false; //Currently not implemented
         }
+
+        public bool SendRenameItem(string itemName)
+        {
+            return false;
+        }
 
         public bool SendPlayerSession(PlayerKeyPair? playerKeyPair)
         {

MinecraftClient/Protocol/Handlers/Protocol18.cs

@@ -4150,6 +4150,29 @@ public bool SendPlayerSession(PlayerKeyPair? playerKeyPair)
             }
         }
 
+        public bool SendRenameItem(string itemName)
+        {
+            try
+            {
+                List<byte> packet = new();
+                packet.AddRange(dataTypes.GetString(itemName.Length > 50 ? itemName[..50] : itemName));
+                SendPacket(PacketTypesOut.NameItem, packet);
+                return true;
+            }
+            catch (SocketException)
+            {
+                return false;
+            }
+            catch (System.IO.IOException)
+            {
+                return false;
+            }
+            catch (ObjectDisposedException)
+            {
+                return false;
+            }
+        }
+
         private byte[] GenerateSalt()
         {
             byte[] salt = new byte[8];

MinecraftClient/Protocol/IMinecraftCom.cs

@@ -260,6 +260,12 @@ public interface IMinecraftCom : IDisposable, IAutoComplete
         /// </summary>
         /// <returns></returns>
         bool SendPlayerSession(PlayerKeyPair? playerKeyPair);
+
+        /// <summary>
+        /// Send the server a command to type in the item name in the Anvil inventory when it's open.
+        /// </summary>
+        /// <param name="itemName">The new item name</param>
+        bool SendRenameItem(string itemName);
 
         /// <summary>
         /// Get net read thread (main thread) ID

MinecraftClient/Protocol/IMinecraftComHandler.cs

@@ -477,5 +477,13 @@ public interface IMinecraftComHandler
         /// <returns>True if packet was successfully sent</returns>
 
         bool ClickContainerButton(int windowId, int buttonId);
+
+        /// <summary>
+        /// Send a rename item packet when the anvil inventory is open and there is an item in the first slot
+        /// </summary>
+        /// <param name="itemName">New name (max 50 characters)</param>
+        /// <returns>True if packet was successfully sent</returns>
+
+        bool SendRenameItem(string itemName);
     }
 }

MinecraftClient/Resources/Translations/Translations.resx

@@ -1,4 +1,4 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <root>
   <!-- 
     Microsoft ResX Schema 
@@ -2086,9 +2086,27 @@ Logging in...</value>
     <value>§bSession with an id §a{0}§b has been renamed to: §a{1}§b!</value>
   </data>
   <data name="bot.WebSocketBot.session_id_failed_to_change" xml:space="preserve">
-    <value>§cSession with an id §a{0}§b failed to chage the ID to: §c{1}§b!</value>
+    <value>§cSession with an id §a{0}§b failed to change the ID to: §c{1}§b!</value>
   </data>
   <data name="bot.WebSocketBot.session_authenticated" xml:space="preserve">
-    <value>§bSession with an id §a{0}§b has been succesfully authenticated!</value>
+    <value>§bSession with an id §a{0}§b has been successfully authenticated!</value>
+  </data>
+  <data name="cmd.nameitem.item.name.empty" xml:space="preserve">
+    <value>The item name cannot be empty!</value>
+  </data>
+  <data name="cmd.nameitem.no.anvil.inventory.open" xml:space="preserve">
+    <value>You need to have an Anvil inventory opened and active in order to use this command!</value>
+  </data>
+  <data name="cmd.nameitem.first.slot.empty" xml:space="preserve">
+    <value>You need to place an item in the first slot (slot id: 0) of the Anvil inventory!</value>
+  </data>
+  <data name="cmd.nameitem.failed" xml:space="preserve">
+    <value>Failed to send the packet for naming an item, try again!</value>
+  </data>
+  <data name="cmd.nameitem.successful" xml:space="preserve">
+    <value>Successfully sent the item name to the server, you can now click on the slot number 2 in the Anvil inventory to rename the item.</value>
+  </data>
+  <data name="cmd.nameitem.desc" xml:space="preserve">
+    <value>Set an item name when an Anvil inventory is active and the item is in the first slot.</value>
   </data>
 </root>