From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: violetc <58360096+s-yh-china@users.noreply.github.com>
Date: Sun, 14 Aug 2022 10:54:33 +0800
Subject: [PATCH] Move ThreadUnsafeRandom Initialization

This patch is Powered by Pufferfish(https://github.com/pufferfish-gg/Pufferfish)

diff --git a/src/main/java/net/minecraft/server/level/ServerLevel.java b/src/main/java/net/minecraft/server/level/ServerLevel.java
index c93d0fbb921309a63c21ba7775fdf44aaa7985c4..84472442e0e68c22c4ebeaaf980aee1e8a234d81 100644
--- a/src/main/java/net/minecraft/server/level/ServerLevel.java
+++ b/src/main/java/net/minecraft/server/level/ServerLevel.java
@@ -971,7 +971,7 @@ public class ServerLevel extends Level implements WorldGenLevel {
     }
     // Paper start - optimise random block ticking
     private final BlockPos.MutableBlockPos chunkTickMutablePosition = new BlockPos.MutableBlockPos();
-    private final io.papermc.paper.util.math.ThreadUnsafeRandom randomTickRandom = new io.papermc.paper.util.math.ThreadUnsafeRandom(this.random.nextLong());
+    // private final io.papermc.paper.util.math.ThreadUnsafeRandom randomTickRandom = new io.papermc.paper.util.math.ThreadUnsafeRandom(this.random.nextLong()); // Leaves - moved to super
     // Paper end
 
     public void tickChunk(LevelChunk chunk, int randomTickSpeed) {
diff --git a/src/main/java/net/minecraft/world/level/Level.java b/src/main/java/net/minecraft/world/level/Level.java
index 6a1adbc426a8c79c3fefc5a17509d9097ac9f3db..f7823ed9b293b040e38c517d6b96789c7ebba276 100644
--- a/src/main/java/net/minecraft/world/level/Level.java
+++ b/src/main/java/net/minecraft/world/level/Level.java
@@ -204,6 +204,8 @@ public abstract class Level implements LevelAccessor, AutoCloseable {
 
     public abstract ResourceKey<LevelStem> getTypeKey();
 
+    protected final io.papermc.paper.util.math.ThreadUnsafeRandom randomTickRandom = new io.papermc.paper.util.math.ThreadUnsafeRandom(java.util.concurrent.ThreadLocalRandom.current().nextLong()); // Leaves - move thread unsafe random initialization
+
     protected Level(WritableLevelData worlddatamutable, ResourceKey<Level> resourcekey, RegistryAccess iregistrycustom, Holder<DimensionType> holder, Supplier<ProfilerFiller> supplier, boolean flag, boolean flag1, long i, int j, org.bukkit.generator.ChunkGenerator gen, org.bukkit.generator.BiomeProvider biomeProvider, org.bukkit.World.Environment env, java.util.function.Function<org.spigotmc.SpigotWorldConfig, io.papermc.paper.configuration.WorldConfiguration> paperWorldConfigCreator, java.util.concurrent.Executor executor) { // Paper - create paper world config; Async-Anti-Xray: Pass executor
         this.spigotConfig = new org.spigotmc.SpigotWorldConfig(((net.minecraft.world.level.storage.PrimaryLevelData) worlddatamutable).getLevelName()); // Spigot
         this.paperConfig = paperWorldConfigCreator.apply(this.spigotConfig); // Paper - create paper world config
@@ -292,6 +294,12 @@ public abstract class Level implements LevelAccessor, AutoCloseable {
         // Paper end - optimise collisions
     }
 
+    // Leaves start - thread unsafe random get
+    public net.minecraft.util.RandomSource getThreadUnsafeRandom() {
+        return randomTickRandom;
+    }
+    // Leaves end - thread unsafe random get
+
     // Paper start - Cancel hit for vanished players
     // ret true if no collision
     public final boolean checkEntityCollision(BlockState data, Entity source, net.minecraft.world.phys.shapes.CollisionContext voxelshapedcollision,