SakuraMC/patches/server/0061-Calculate-biome-noise-once-per-chunk-section.patch

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 796bbef3544e06b8e7aac7e8ac5f740a2613f4bd..27ba0a6d3439b9b4dfae3b9c49975879c4295443 100644
--- a/src/main/java/net/minecraft/world/level/chunk/LevelChunkSection.java
+++ b/src/main/java/net/minecraft/world/level/chunk/LevelChunkSection.java
@@ -227,12 +227,18 @@ public class LevelChunkSection {
 
     public void fillBiomesFromNoise(BiomeResolver biomeSupplier, Climate.Sampler sampler, int x, int y, int z) {
         PalettedContainer<Holder<Biome>> datapaletteblock = this.biomes.recreate();
+        Holder<Biome> biome = null; // Sakura
         boolean flag = true;
 
         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, y + i1, z + j1, sampler));
+                    // Sakura start - calculate biome noise once per chunk section
+                    if (biome == null || !me.samsuik.sakura.configuration.GlobalConfiguration.get().environment.calculateBiomeNoiseOncePerChunkSection) {
+                        biome = biomeSupplier.getNoiseBiome(x + l, y + i1, z + j1, sampler);
+                    }
+                    datapaletteblock.getAndSetUnchecked(l, i1, j1, biome);
+                    // Sakura end
                 }
             }
         }