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


diff --git a/src/main/java/net/minecraft/world/level/Level.java b/src/main/java/net/minecraft/world/level/Level.java
index 1070d33c3df23f0ed6073eee2e67680e831e53fc..53a5507692c89dd3584e9d356b802cd03364bf91 100644
--- a/src/main/java/net/minecraft/world/level/Level.java
+++ b/src/main/java/net/minecraft/world/level/Level.java
@@ -70,6 +70,7 @@ 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;
@@ -318,7 +319,13 @@ 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
         // CraftBukkit start
         this.getWorldBorder().world = (ServerLevel) this;
         // From PlayerList.setPlayerFileData
diff --git a/src/main/java/top/leavesmc/leaves/LeavesConfig.java b/src/main/java/top/leavesmc/leaves/LeavesConfig.java
index 3e5855c5eef8038c5af69ef447fe0c2b90c33acb..5d1a6ed87f4139dce18343e4a0d70a8922cab308 100644
--- a/src/main/java/top/leavesmc/leaves/LeavesConfig.java
+++ b/src/main/java/top/leavesmc/leaves/LeavesConfig.java
@@ -403,6 +403,15 @@ 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;