From c885b21024703088087ff53466d514a0b203b045 Mon Sep 17 00:00:00 2001
From: Spottedleaf <Spottedleaf@users.noreply.github.com>
Date: Mon, 27 Dec 2021 13:35:09 -0800
Subject: [PATCH] Correctly parse last update for old chunks for regionfile
 recalc

It's required so that comparisons between two chunks can be
made
---
 ...mpt-to-recalculate-regionfile-header-if-it-is-co.patch | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/patches/server/Attempt-to-recalculate-regionfile-header-if-it-is-co.patch b/patches/server/Attempt-to-recalculate-regionfile-header-if-it-is-co.patch
index 607d116a94..69f5372e05 100644
--- a/patches/server/Attempt-to-recalculate-regionfile-header-if-it-is-co.patch
+++ b/patches/server/Attempt-to-recalculate-regionfile-header-if-it-is-co.patch
@@ -20,7 +20,13 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
 +    // Paper start
 +    // TODO: Check on update
 +    public static long getLastWorldSaveTime(CompoundTag chunkData) {
-+        return chunkData.getLong("LastUpdate");
++        final int dataVersion = ChunkStorage.getVersion(chunkData);
++        if (dataVersion < 2842) { // Level tag is removed after this version
++            final CompoundTag levelData = chunkData.getCompound("Level");
++            return levelData.getLong("LastUpdate");
++        } else {
++            return chunkData.getLong("LastUpdate");
++        }
 +    }
 +    // Paper end