From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: MrPowerGamerBR <git@mrpowergamerbr.com>
Date: Wed, 5 Jun 2024 15:20:00 -0300
Subject: [PATCH] Reset dirty flag when loading maps from the disk

By default, the server will start rewriting all map datas to the disk after loading it, even if the map didn't have any changes

This also slows down world saving a lot if you have a lot of maps

diff --git a/net/minecraft/world/level/saveddata/maps/MapItemSavedData.java b/net/minecraft/world/level/saveddata/maps/MapItemSavedData.java
index f5a131e870a4f1ad06ebfb1f360720cf19656fb5..2aed9d55ea1a93b323865141a69c9947759eae29 100644
--- a/net/minecraft/world/level/saveddata/maps/MapItemSavedData.java
+++ b/net/minecraft/world/level/saveddata/maps/MapItemSavedData.java
@@ -197,6 +197,7 @@ public class MapItemSavedData extends SavedData {
             }
         }
 
+        mapItemSavedData.setDirty(false); // SparklyPaper - reset dirty flag when loading maps from the disk (context for updates: this modification is at the end of the map "load" function)
         return mapItemSavedData;
     }