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 b0c9fce9d4e06cac139e341d218d0b6aac1f1943..a256712836ae89bea619f534097d6111ba58d390 100644
--- a/src/main/java/net/minecraft/world/level/chunk/LevelChunkSection.java
+++ b/src/main/java/net/minecraft/world/level/chunk/LevelChunkSection.java
@@ -315,11 +315,17 @@ public class LevelChunkSection {
         PalettedContainer<Holder<Biome>> datapaletteblock = this.biomes.recreate();
         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.GlobalConfiguration.get().environment.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
                 }
             }
         }