From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Samsuik <kfian294ma4@gmail.com>
Date: Mon, 22 Jan 2024 15:52:33 +0000
Subject: [PATCH] Calculate biome noise once per chunk section


diff --git a/src/main/java/net/minecraft/world/level/chunk/LevelChunkSection.java b/src/main/java/net/minecraft/world/level/chunk/LevelChunkSection.java
index b11ad90c0956ac1b8ee069fa3f4553a2b4ce88e9..4ec096938dd66966ed3782d4e80bc4173045cd3c 100644
--- a/src/main/java/net/minecraft/world/level/chunk/LevelChunkSection.java
+++ b/src/main/java/net/minecraft/world/level/chunk/LevelChunkSection.java
@@ -314,11 +314,17 @@ public class LevelChunkSection {
         try {
             int k = QuartPos.fromBlock(this.bottomBlockY());
             boolean flag = true;
+            Holder<Biome> biomeHolder = null; // Sakura - calculate biome noise once per chunk section
 
             for (int l = 0; l < 4; ++l) {
                 for (int i1 = 0; i1 < 4; ++i1) {
                     for (int j1 = 0; j1 < 4; ++j1) {
-                        datapaletteblock.getAndSetUnchecked(l, i1, j1, biomeSupplier.getNoiseBiome(x + l, k + i1, z + j1, sampler));
+                        // Sakura start - calculate biome noise once per chunk section
+                        if (biomeHolder == null || !me.samsuik.sakura.configuration.SakuraGlobalConfig.get().calculateBiomeNoiseOncePerChunkSection) {
+                            biomeHolder = biomeSupplier.getNoiseBiome(x + l, k + i1, z + j1, sampler);
+                        }
+                        datapaletteblock.getAndSetUnchecked(l, i1, j1, biomeHolder);
+                        // Sakura end - calculate biome noise once per chunk section
                     }
                 }
             }