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/src/main/java/net/minecraft/world/level/Level.java b/src/main/java/net/minecraft/world/level/Level.java
index 847d1cb27da0ee06f208acec93ee6758ae04d6f9..53de57db1ee31761598bcaed5682d1b5a14bc632 100644
--- a/src/main/java/net/minecraft/world/level/Level.java
+++ b/src/main/java/net/minecraft/world/level/Level.java
@@ -74,6 +74,7 @@ import net.minecraft.world.level.lighting.LevelLightEngine;
 import net.minecraft.world.level.material.FluidState;
 import net.minecraft.world.level.material.Fluids;
 import net.minecraft.world.level.redstone.CollectingNeighborUpdater;
+import net.minecraft.world.level.redstone.InstantNeighborUpdater;
 import net.minecraft.world.level.redstone.NeighborUpdater;
 import net.minecraft.world.level.saveddata.maps.MapItemSavedData;
 import net.minecraft.world.level.storage.LevelData;
@@ -321,7 +322,13 @@ public abstract class Level implements LevelAccessor, AutoCloseable {
         this.thread = Thread.currentThread();
         this.biomeManager = new BiomeManager(this, i);
         this.isDebug = flag1;
-        this.neighborUpdater = new CollectingNeighborUpdater(this, j);
+        // Leaves start - instantBlockUpdaterReintroduced
+        if (top.leavesmc.leaves.LeavesConfig.instantBlockUpdaterReintroduced) {
+            this.neighborUpdater = new InstantNeighborUpdater(this);
+        } else {
+            this.neighborUpdater = new CollectingNeighborUpdater(this, j);
+        }
+        // Leaves end - instantBlockUpdaterReintroduced
         this.registryAccess = iregistrycustom;
         this.damageSources = new DamageSources(iregistrycustom);
         // CraftBukkit start
diff --git a/src/main/java/top/leavesmc/leaves/LeavesConfig.java b/src/main/java/top/leavesmc/leaves/LeavesConfig.java
index b770012135ed4e2423bdb7f44d06eedd077171ce..a06ea69adcfba10b4f5deb0dfd1798974a862eed 100644
--- a/src/main/java/top/leavesmc/leaves/LeavesConfig.java
+++ b/src/main/java/top/leavesmc/leaves/LeavesConfig.java
@@ -408,6 +408,15 @@ public final class LeavesConfig {
         bborProtocol = getBoolean("settings.protocol.bbor-protocol", bborProtocol);
     }
 
+    public static boolean instantBlockUpdaterReintroduced = false;
+    private static boolean instantBlockUpdaterReintroducedLock = false;
+    private static void instantBlockUpdaterReintroduced() {
+        if (!instantBlockUpdaterReintroducedLock) {
+            instantBlockUpdaterReintroduced = getBoolean("settings.modify.instant-block-updater-reintroduced", instantBlockUpdaterReintroduced);
+            instantBlockUpdaterReintroducedLock = true;
+        }
+    }
+
     public static final class WorldConfig {
 
         public final String worldName;