From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: NONPLAYT <76615486+NONPLAYT@users.noreply.github.com>
Date: Sun, 6 Jul 2025 02:47:58 +0300
Subject: [PATCH] Optimize block state lookup


diff --git a/net/minecraft/world/level/chunk/LevelChunk.java b/net/minecraft/world/level/chunk/LevelChunk.java
index d11373d6a88f7b3baaf0e04d4f6e0d3837e2ba3b..6d9274f0da9507d0152611d6b7785e0524dedb2d 100644
--- a/net/minecraft/world/level/chunk/LevelChunk.java
+++ b/net/minecraft/world/level/chunk/LevelChunk.java
@@ -270,11 +270,18 @@ public class LevelChunk extends ChunkAccess implements ca.spottedleaf.moonrise.p
     public BlockState getBlockStateFinal(final int x, final int y, final int z) {
         // Copied and modified from below
         final int sectionIndex = this.getSectionIndex(y);
-        if (sectionIndex < 0 || sectionIndex >= this.sections.length
-            || this.sections[sectionIndex].nonEmptyBlockCount == 0) {
+        // DivineMC start - Optimize block state lookup
+        if (sectionIndex < 0 || sectionIndex >= this.sections.length) {
             return Blocks.AIR.defaultBlockState();
         }
-        return this.sections[sectionIndex].states.get((y & 15) << 8 | (z & 15) << 4 | x & 15);
+
+        final LevelChunkSection section = this.sections[sectionIndex];
+        if (section.nonEmptyBlockCount == 0) {
+            return Blocks.AIR.defaultBlockState();
+        }
+
+        return section.states.get((y & 15) << 8 | (z & 15) << 4 | (x & 15));
+        // DivineMC end - Optimize block state lookup
     }
 
     @Override