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Code Issues Releases Activity

The End Biome Cache

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NONPLAYT
2025-07-17 21:02:58 +03:00
parent be5a07876c
commit dbea76a0d7
2 changed files with 65 additions and 4 deletions
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54
divinemc-server/minecraft-patches/features/0078-C2ME-The-End-Biome-Cache.patch Normal file
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@@ -0,0 +1,54 @@
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: NONPLAYT <76615486+NONPLAYT@users.noreply.github.com>
Date: Thu, 17 Jul 2025 20:53:13 +0300
Subject: [PATCH] C2ME: The End Biome Cache
This patch is based on the following mixins:
* "com/ishland/c2me/opts/worldgen/vanilla/mixin/the_end_biome_cache/MixinTheEndBiomeSource.java"
By: ishland <ishlandmc@yeah.net>
As part of: C2ME (https://github.com/RelativityMC/C2ME-fabric)
Licensed under: MIT (https://opensource.org/licenses/MIT)
diff --git a/net/minecraft/world/level/biome/TheEndBiomeSource.java b/net/minecraft/world/level/biome/TheEndBiomeSource.java
index cf3172be76fa4c7987ed569138439ff42f92fa7f..0545a0dd25917d75b511d507dc19a5ca7d45b9d9 100644
--- a/net/minecraft/world/level/biome/TheEndBiomeSource.java
+++ b/net/minecraft/world/level/biome/TheEndBiomeSource.java
@@ -55,8 +55,37 @@ public class TheEndBiomeSource extends BiomeSource {
return CODEC;
}
+ // DivineMC start - C2ME: The End Biome Cache
+ private final ThreadLocal<it.unimi.dsi.fastutil.longs.Long2ObjectLinkedOpenHashMap<Holder<Biome>>> cache = ThreadLocal.withInitial(it.unimi.dsi.fastutil.longs.Long2ObjectLinkedOpenHashMap::new);
+ private final int cacheCapacity = org.bxteam.divinemc.config.DivineConfig.PerformanceCategory.endBiomeCacheCapacity;
+
@Override
- public Holder<Biome> getNoiseBiome(int x, int y, int z, Climate.Sampler sampler) {
+ public Holder<Biome> getNoiseBiome(int biomeX, int biomeY, int biomeZ, Climate.Sampler multiNoiseSampler) {
+ if (!org.bxteam.divinemc.config.DivineConfig.PerformanceCategory.endBiomeCacheEnabled) {
+ return getVanillaNoiseBiome(biomeX, biomeY, biomeZ, multiNoiseSampler);
+ }
+
+ final long key = net.minecraft.world.level.ChunkPos.asLong(biomeX, biomeZ);
+ final it.unimi.dsi.fastutil.longs.Long2ObjectLinkedOpenHashMap<Holder<Biome>> cacheThreadLocal = cache.get();
+ final Holder<Biome> biome = cacheThreadLocal.get(key);
+
+ if (biome != null) {
+ return biome;
+ } else {
+ final Holder<Biome> gennedBiome = getVanillaNoiseBiome(biomeX, biomeY, biomeZ, multiNoiseSampler);
+ cacheThreadLocal.put(key, gennedBiome);
+ if (cacheThreadLocal.size() > cacheCapacity) {
+ for (int i = 0; i < cacheCapacity / 16; i ++) {
+ cacheThreadLocal.removeFirst();
+ }
+ }
+
+ return gennedBiome;
+ }
+ }
+ // DivineMC end - C2ME: The End Biome Cache
+
+ private Holder<Biome> getVanillaNoiseBiome(int x, int y, int z, Climate.Sampler sampler) { // DivineMC - C2ME: The End Biome Cache
int blockPosX = QuartPos.toBlock(x);
int blockPosY = QuartPos.toBlock(y);
int blockPosZ = QuartPos.toBlock(z);

15
divinemc-server/src/main/java/org/bxteam/divinemc/config/DivineConfig.java
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@@ -372,6 +372,8 @@ public class DivineConfig {
public static long chunkDataCacheLimit = 32678L;
public static int maxViewDistance = 32;
public static int playerNearChunkDetectionRange = 128;
public static boolean endBiomeCacheEnabled = false;
public static int endBiomeCacheCapacity = 1024;
public static boolean smoothBedrockLayer = false;
public static boolean enableDensityFunctionCompiler = false;
public static boolean enableStructureLayoutOptimizer = true;
@@ -428,10 +430,10 @@ public class DivineConfig {
"By default, this range is computed to 8, meaning a player must be within an 8 chunk radius of a chunk position to pass.",
"Keep in mind the result is rounded to the nearest whole number.");
if (playerNearChunkDetectionRange < 0) {
LOGGER.warn("Invalid player near chunk detection range: {}, resetting to default (128)", playerNearChunkDetectionRange);
playerNearChunkDetectionRange = 128;
}
endBiomeCacheEnabled = getBoolean(ConfigCategory.PERFORMANCE.key("chunks.end-biome-cache-enabled"), endBiomeCacheEnabled,
"Enables the end biome cache, which can accelerate The End worldgen.");
endBiomeCacheCapacity = getInt(ConfigCategory.PERFORMANCE.key("chunks.end-biome-cache-capacity"), endBiomeCacheCapacity,
"The cache capacity for the end biome cache. Only used if end-biome-cache-enabled is true.");
smoothBedrockLayer = getBoolean(ConfigCategory.PERFORMANCE.key("chunks.smooth-bedrock-layer"), smoothBedrockLayer,
"Smoothens the bedrock layer at the bottom of overworld, and on the top of nether during the world generation.");
@@ -455,6 +457,11 @@ public class DivineConfig {
"This will not break the structure generation, but it will make the structure layout different than",
"if this config was off (breaking vanilla seed parity). The cost of speed may be worth it in large",
"modpacks where many structure mods are using very high weight values in their template pools.");
if (playerNearChunkDetectionRange < 0) {
LOGGER.warn("Invalid player near chunk detection range: {}, resetting to default (128)", playerNearChunkDetectionRange);
playerNearChunkDetectionRange = 128;
}
}
private static void optimizationSettings() {