Update Faster random generator patch (#206)

Author: HaHaWTH

leaf-server/minecraft-patches/features/0051-Faster-Random-Generator.patch

@@ -6,12 +6,48 @@ Subject: [PATCH] Faster Random Generator
 This patch replaces LegacyRandomSource with FasterRandomSource by default,
 which is faster in general.
 
-Benchmark results (10,000,000 iterations) (GraalVM 21)
-SimpleRandom (Moonrise): 80ms
-FasterRandomSource (Leaf) (Backed by Xoroshiro128PlusPlus): 35ms
-LegacyRandomSource (Vanilla): 200ms
-XoroshiroRandomSource (Vanilla): 47ms
+Benchmark results (10,000,000 iterations) (Azul Zulu 23.0.1)
 
+FasterRandomSource (Leaf) (Backed by Xoroshiro128PlusPlus): 51,633,700 ns
+LegacyRandomSource (Vanilla): 254,857,500 ns
+ThreadUnsafeRandom (Moonrise): 102,265,100 ns
+SimpleThreadUnsafeRandom (Moonrise): 97,054,600 ns
+
+diff --git a/net/minecraft/server/level/ServerChunkCache.java b/net/minecraft/server/level/ServerChunkCache.java
+index 6f14f321d2fa83abab0aa1b262ff873b208a67be..5d9c3054e32636b051cc6b210c71bb722c1de1c8 100644
+--- a/net/minecraft/server/level/ServerChunkCache.java
++++ b/net/minecraft/server/level/ServerChunkCache.java
+@@ -150,7 +150,7 @@ public class ServerChunkCache extends ChunkSource implements ca.spottedleaf.moon
+     }
+     // Paper end - rewrite chunk system
+     // Paper start - chunk tick iteration optimisations
+-    private final ca.spottedleaf.moonrise.common.util.SimpleThreadUnsafeRandom shuffleRandom = new ca.spottedleaf.moonrise.common.util.SimpleThreadUnsafeRandom(0L);
++    private final net.minecraft.world.level.levelgen.BitRandomSource shuffleRandom = org.dreeam.leaf.config.modules.opt.FastRNG.enabled ? new org.dreeam.leaf.util.math.random.FasterRandomSource(0L) : new ca.spottedleaf.moonrise.common.util.SimpleThreadUnsafeRandom(0L); // Leaf - Faster random generator
+     private boolean isChunkNearPlayer(final ChunkMap chunkMap, final ChunkPos chunkPos, final LevelChunk levelChunk) {
+         final ca.spottedleaf.moonrise.patches.chunk_system.level.chunk.ChunkData chunkData = ((ca.spottedleaf.moonrise.patches.chunk_system.level.chunk.ChunkSystemChunkHolder)((ca.spottedleaf.moonrise.patches.chunk_system.level.chunk.ChunkSystemLevelChunk)levelChunk).moonrise$getChunkAndHolder().holder())
+             .moonrise$getRealChunkHolder().holderData;
+diff --git a/net/minecraft/server/level/ServerLevel.java b/net/minecraft/server/level/ServerLevel.java
+index b3c388f6108360708baf275121af18f46622494f..84d3df4008e56d8ceba2b422f42c34295c5e0a83 100644
+--- a/net/minecraft/server/level/ServerLevel.java
++++ b/net/minecraft/server/level/ServerLevel.java
+@@ -902,7 +902,7 @@ public class ServerLevel extends Level implements ServerEntityGetter, WorldGenLe
+     private void optimiseRandomTick(final LevelChunk chunk, final int tickSpeed) {
+         final LevelChunkSection[] sections = chunk.getSections();
+         final int minSection = ca.spottedleaf.moonrise.common.util.WorldUtil.getMinSection((ServerLevel)(Object)this);
+-        final ca.spottedleaf.moonrise.common.util.SimpleThreadUnsafeRandom simpleRandom = this.simpleRandom;
++        final net.minecraft.world.level.levelgen.BitRandomSource simpleRandom = this.simpleRandom; // Leaf - Faster random generator - upcasting
+         final boolean doubleTickFluids = !ca.spottedleaf.moonrise.common.PlatformHooks.get().configFixMC224294();
+ 
+         final ChunkPos cpos = chunk.getPos();
+@@ -951,7 +951,7 @@ public class ServerLevel extends Level implements ServerEntityGetter, WorldGenLe
+     private int currentIceAndSnowTick = 0; protected void resetIceAndSnowTick() { this.currentIceAndSnowTick = this.simpleRandom.nextInt(16); } // Gale - Airplane - optimize random calls in chunk ticking
+ 
+     public void tickChunk(LevelChunk chunk, int randomTickSpeed) {
+-        final ca.spottedleaf.moonrise.common.util.SimpleThreadUnsafeRandom simpleRandom = this.simpleRandom; // Paper - optimise random ticking
++        final net.minecraft.world.level.levelgen.BitRandomSource simpleRandom = this.simpleRandom; // Paper - optimise random ticking // Leaf - Faster random generator - upcasting
+         ChunkPos pos = chunk.getPos();
+         boolean isRaining = this.isRaining();
+         int minBlockX = pos.getMinBlockX();
 diff --git a/net/minecraft/util/RandomSource.java b/net/minecraft/util/RandomSource.java
 index 98a54bc4de251014342cda6d0951b7fea79ce553..6d56134cc9ed9d73104ae77b1a0baa5a0a45759c 100644
 --- a/net/minecraft/util/RandomSource.java
@@ -53,7 +89,7 @@ index 98a54bc4de251014342cda6d0951b7fea79ce553..6d56134cc9ed9d73104ae77b1a0baa5a
      RandomSource fork();
 
 diff --git a/net/minecraft/world/entity/Entity.java b/net/minecraft/world/entity/Entity.java
-index 3e1a5ef63d97e2ad43d98c5736a185ade7afb4bd..f7f330758dce7c38e0e0e8ba420df4d83f765cf1 100644
+index 539cd1fe6ff15a4ebcbd65f41d8711d1f4ce5b97..034e10e912ab9b4b5435ad88c0cd4183c8b5c1a1 100644
 --- a/net/minecraft/world/entity/Entity.java
 +++ b/net/minecraft/world/entity/Entity.java
 @@ -143,7 +143,7 @@ public abstract class Entity implements SyncedDataHolder, Nameable, EntityAccess
@@ -65,6 +101,28 @@ index 3e1a5ef63d97e2ad43d98c5736a185ade7afb4bd..f7f330758dce7c38e0e0e8ba420df4d8
      // Paper start - replace random
      private static final class RandomRandomSource extends ca.spottedleaf.moonrise.common.util.ThreadUnsafeRandom {
          public RandomRandomSource() {
+diff --git a/net/minecraft/world/level/Level.java b/net/minecraft/world/level/Level.java
+index 13edbcdabc159e3694e7dbe824ccb5bb447fe788..367ba07f63917dc75883d5fd3dde93dc9ffc144a 100644
+--- a/net/minecraft/world/level/Level.java
++++ b/net/minecraft/world/level/Level.java
+@@ -126,7 +126,7 @@ public abstract class Level implements LevelAccessor, AutoCloseable, ca.spottedl
+     public float rainLevel;
+     protected float oThunderLevel;
+     public float thunderLevel;
+-    public final RandomSource random = new ca.spottedleaf.moonrise.common.util.ThreadUnsafeRandom(net.minecraft.world.level.levelgen.RandomSupport.generateUniqueSeed()); // Paper - replace random
++    public final RandomSource random = org.dreeam.leaf.config.modules.opt.FastRNG.enabled ? new org.dreeam.leaf.util.math.random.FasterRandomSource(net.minecraft.world.level.levelgen.RandomSupport.generateUniqueSeed()) : new ca.spottedleaf.moonrise.common.util.ThreadUnsafeRandom(net.minecraft.world.level.levelgen.RandomSupport.generateUniqueSeed()); // Paper - replace random // Leaf - Faster random generator
+     @Deprecated
+     private final RandomSource threadSafeRandom = RandomSource.createThreadSafe();
+     private final Holder<DimensionType> dimensionTypeRegistration;
+@@ -182,7 +182,7 @@ public abstract class Level implements LevelAccessor, AutoCloseable, ca.spottedl
+     public final Map<ServerExplosion.CacheKey, Float> explosionDensityCache = new HashMap<>(); // Paper - Optimize explosions
+     public java.util.ArrayDeque<net.minecraft.world.level.block.RedstoneTorchBlock.Toggle> redstoneUpdateInfos; // Paper - Faster redstone torch rapid clock removal; Move from Map in BlockRedstoneTorch to here
+ 
+-    public final ca.spottedleaf.moonrise.common.util.SimpleThreadUnsafeRandom simpleRandom = new ca.spottedleaf.moonrise.common.util.SimpleThreadUnsafeRandom(net.minecraft.world.level.levelgen.RandomSupport.generateUniqueSeed()); // Gale - Pufferfish - move random tick random
++    public final net.minecraft.world.level.levelgen.BitRandomSource simpleRandom = org.dreeam.leaf.config.modules.opt.FastRNG.enabled ? new org.dreeam.leaf.util.math.random.FasterRandomSource(net.minecraft.world.level.levelgen.RandomSupport.generateUniqueSeed()) : new ca.spottedleaf.moonrise.common.util.SimpleThreadUnsafeRandom(net.minecraft.world.level.levelgen.RandomSupport.generateUniqueSeed()); // Gale - Pufferfish - move random tick random // Leaf - Faster random generator
+ 
+     // Purpur start - Add adjustable breeding cooldown to config
+     private com.google.common.cache.Cache<BreedingCooldownPair, Object> playerBreedingCooldowns;
 diff --git a/net/minecraft/world/level/biome/Biome.java b/net/minecraft/world/level/biome/Biome.java
 index f44461f92a10cbfdb8fcdbc3a2442e526b9d3d33..b4c5eea26e87ee6f466c53a6dd0867909df7e848 100644
 --- a/net/minecraft/world/level/biome/Biome.java