From f5c91ba1c920860162389eb2fcbd5871c4b6467c Mon Sep 17 00:00:00 2001
From: extremeheat <extreme@protonmail.ch>
Date: Wed, 24 Aug 2022 00:50:01 -0400
Subject: [PATCH] Fix nbt encoding size on single null tag NBT (#264)

---
 src/datatypes/minecraft.js | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/src/datatypes/minecraft.js b/src/datatypes/minecraft.js
index a52d9c8..5b93bc0 100644
--- a/src/datatypes/minecraft.js
+++ b/src/datatypes/minecraft.js
@@ -39,17 +39,21 @@ function sizeOfNbt (value) {
 
 function readNbtLE (buffer, offset) {
   const r = protoLE.read(buffer, offset, 'nbt')
-  if (r.value.type === 'end') return { value: r.value, size: 0 }
+  // End size is 3 for some reason
+  if (r.value.type === 'end') return { value: r.value, size: 1 }
   return r
 }
 
 function writeNbtLE (value, buffer, offset) {
-  if (value.type === 'end') return offset
+  if (value.type === 'end') {
+    buffer.writeInt8(0, offset)
+    return offset + 1
+  }
   return protoLE.write(value, buffer, offset, 'nbt')
 }
 
 function sizeOfNbtLE (value) {
-  if (value.type === 'end') return 0
+  if (value.type === 'end') return 1
   return protoLE.sizeOf(value, 'nbt')
 }