Patch randar exploit

Author: HaHaWTH

patches/server/0168-Fix-randar-exploit.patch

@@ -0,0 +1,31 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: HaHaWTH <id_cn00@outlook.com>
+Date: Thu, 18 Apr 2024 18:31:50 +0800
+Subject: [PATCH] Fix-randar-exploit
+
+
+diff --git a/src/main/java/net/minecraft/server/World.java b/src/main/java/net/minecraft/server/World.java
+index 0d0a57fdd28568d880ad48576571ffe431389849..5466e01c8be056061d1522a39e3495a5ff64b81b 100644
+--- a/src/main/java/net/minecraft/server/World.java
++++ b/src/main/java/net/minecraft/server/World.java
+@@ -90,6 +90,7 @@ public abstract class World implements IBlockAccess {
+     protected float q;
+     private int M;
+     public final Random random = new Random();
++    private final Random separateRandOnlyForWorldGen = new Random(); // Beast - Fix Randar
+     public WorldProvider worldProvider;
+     protected NavigationListener t = new NavigationListener();
+     protected List<IWorldAccess> u;
+@@ -3316,8 +3317,10 @@ public abstract class World implements IBlockAccess {
+     public Random a(int i, int j, int k) {
+         long l = (long) i * 341873128712L + (long) j * 132897987541L + this.getWorldData().getSeed() + (long) k;
+ 
+-        this.random.setSeed(l);
+-        return this.random;
++        // Beast start
++        this.separateRandOnlyForWorldGen.setSeed(l);
++        return this.separateRandOnlyForWorldGen;
++        // Beast end
+     }
+ 
+     public CrashReportSystemDetails a(CrashReport crashreport) {