From 59b38baa3d3aa9c603e891c2d28c34604a0d1e0a Mon Sep 17 00:00:00 2001
From: ForeverZer0 <Zvezda2013!Svitlana>
Date: Wed, 25 Aug 2021 05:05:13 -0400
Subject: [PATCH] Implemented ICloneable interface for tags

---
 SharpNBT/Tags/Tag.cs | 22 ++++++++++++++++++++--
 1 file changed, 20 insertions(+), 2 deletions(-)

diff --git a/SharpNBT/Tags/Tag.cs b/SharpNBT/Tags/Tag.cs
index eef2443..0a61ca5 100644
--- a/SharpNBT/Tags/Tag.cs
+++ b/SharpNBT/Tags/Tag.cs
@@ -14,7 +14,7 @@ namespace SharpNBT
     /// Abstract base class that all NBT tags inherit from.
     /// </summary>
     [PublicAPI][Serializable]
-    public abstract class Tag : IEquatable<Tag>, ISerializable
+    public abstract class Tag : IEquatable<Tag>, ISerializable, ICloneable
     {
         private static IEnumerable<Type> GetKnownTypes()
         {
@@ -153,7 +153,25 @@ namespace SharpNBT
                 // ReSharper restore NonReadonlyMemberInGetHashCode
             }
         }
-        
+
+        /// <summary>Creates a new object that is a copy of the current instance.</summary>
+        /// <returns>A new object that is a copy of this instance.</returns>
+        public object Clone()
+        {
+            // Serialize then deserialize to make a deep-copy
+            using var stream = new MemoryStream();
+            
+            // Might as well not worry about swapping bits, just use native endian
+            var opts = BitConverter.IsLittleEndian ? FormatOptions.LittleEndian : FormatOptions.BigEndian;
+            using var writer = new TagWriter(stream, opts, true);
+            using var reader = new TagReader(stream, opts, true);
+                
+            writer.WriteTag(this);
+            stream.Seek(0, SeekOrigin.Begin);
+            
+            return reader.ReadTag(!(Parent is ListTag));
+        }
+
         /// <summary>
         /// Required constructor for ISerializable implementation.
         /// </summary>