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6300dc3cfe
* Revert AI goal selector to vanilla behavior * remove config * Remove config & Update patch comments * rename * re apply
32 lines
1.6 KiB
Diff
32 lines
1.6 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: HaHaWTH <102713261+HaHaWTH@users.noreply.github.com>
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Date: Tue, 9 Nov 2077 00:00:00 +0800
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Subject: [PATCH] Fast BiomeManager seed obfuscation
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Pretty tiny optimization, but better than nothing
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diff --git a/net/minecraft/world/level/biome/BiomeManager.java b/net/minecraft/world/level/biome/BiomeManager.java
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index b8a0fa20101fa3831e34494fd56690343ff8d57e..74cfd72d756c0b877adc27ad5b2d83e5240d3e75 100644
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--- a/net/minecraft/world/level/biome/BiomeManager.java
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+++ b/net/minecraft/world/level/biome/BiomeManager.java
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@@ -34,9 +34,18 @@ public class BiomeManager {
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// Leaf end - cache getBiome
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}
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+ // Leaf start - Replace SHA-256 with XXHash
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+ private static final net.jpountz.xxhash.XXHash64 XXHASH = net.jpountz.xxhash.XXHashFactory.fastestInstance().hash64();
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public static long obfuscateSeed(long seed) {
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- return Hashing.sha256().hashLong(seed).asLong();
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+ if (org.dreeam.leaf.config.modules.opt.FastBiomeManagerSeedObfuscation.enabled) {
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+ java.nio.ByteBuffer buf = java.nio.ByteBuffer.allocate(8);
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+ buf.putLong(0, seed);
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+ return XXHASH.hash(buf, org.dreeam.leaf.config.modules.opt.FastBiomeManagerSeedObfuscation.seedObfuscationKey);
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+ } else {
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+ return Hashing.sha256().hashLong(seed).asLong();
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+ }
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}
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+ // Leaf end - Replace SHA-256 with XXHash
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public BiomeManager withDifferentSource(BiomeManager.NoiseBiomeSource newSource) {
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return new BiomeManager(newSource, this.biomeZoomSeed);
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