From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: violetc <58360096+s-yh-china@users.noreply.github.com>
Date: Tue, 29 Nov 2022 14:54:56 +0800
Subject: [PATCH] InstantBlockUpdater Reintroduced

This patch is Powered by Carpet-TIS-Addition(https://github.com/plusls/Carpet-TIS-Addition)

diff --git a/net/minecraft/world/level/Level.java b/net/minecraft/world/level/Level.java
index 013ed7dbe2309f562f63e66203179a90566e8115..12a63f75d878fcdad83847b20f5a57f7936c7779 100644
--- a/net/minecraft/world/level/Level.java
+++ b/net/minecraft/world/level/Level.java
@@ -873,7 +873,13 @@ public abstract class Level implements LevelAccessor, UUIDLookup<Entity>, AutoCl
         this.thread = Thread.currentThread();
         this.biomeManager = new BiomeManager(this, biomeZoomSeed);
         this.isDebug = isDebug;
-        this.neighborUpdater = new CollectingNeighborUpdater(this, maxChainedNeighborUpdates);
+        // Leaves start - instantBlockUpdaterReintroduced
+        if (org.leavesmc.leaves.LeavesConfig.modify.oldMC.updater.instantBlockUpdaterReintroduced) {
+            this.neighborUpdater = new net.minecraft.world.level.redstone.InstantNeighborUpdater(this);
+        } else {
+            this.neighborUpdater = new CollectingNeighborUpdater(this, maxChainedNeighborUpdates);
+        }
+        // Leaves end - instantBlockUpdaterReintroduced
         this.registryAccess = registryAccess;
         this.damageSources = new DamageSources(registryAccess);