Shiroha/shiroha-server/paper-patches/features/0013-Leaf-Secure-seed-and-matter-seed-command.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: MrHua269 <mrhua269@gmail.com>
Date: Sat, 18 Apr 2026 10:31:41 +0800
Subject: [PATCH] Leaf Secure seed and matter seed command

As part of: Leaf
Licensed under: GPL-3.0 (https://github.com/Winds-Studio/Leaf/blob/7f3e240bbe0970683c40279a7a65f0fde47503b6/licenses/GPL-3.0.txt)

diff --git a/src/main/java/org/bukkit/craftbukkit/CraftChunk.java b/src/main/java/org/bukkit/craftbukkit/CraftChunk.java
index 10b351d8bd6b0e117ecbe961ae2f101686a38fe4..35137db138d8d14f9b9675ae51e135cb095f0a23 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftChunk.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftChunk.java
@@ -191,7 +191,12 @@ public class CraftChunk implements Chunk {
     @Override
     public boolean isSlimeChunk() {
         // 987234911L is taken from Slime when seeing if a slime can spawn in a chunk
-        return this.level.paperConfig().entities.spawning.allChunksAreSlimeChunks || WorldgenRandom.seedSlimeChunk(this.getX(), this.getZ(), this.getWorld().getSeed(), level.spigotConfig.slimeSeed).nextInt(10) == 0; // Paper
+        // Leaf start - Matter - Secure Seed
+        boolean isSlimeChunk = io.nanachiyo0721.shiroha.config.modules.function.SecureSeedConfig.enabled
+            ? level.getChunk(this.getX(), this.getZ()).isSlimeChunk()
+            : WorldgenRandom.seedSlimeChunk(this.getX(), this.getZ(), this.getWorld().getSeed(), level.spigotConfig.slimeSeed).nextInt(10) == 0; // Paper
+        return this.level.paperConfig().entities.spawning.allChunksAreSlimeChunks || isSlimeChunk;
+        // Leaf end - Matter - Secure Seed
     }
 
     @Override
diff --git a/src/main/java/org/bukkit/craftbukkit/CraftServer.java b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
index bec12eb481d305659c48205fe30677baba6fd091..f0c73d890df3b57336fa1c582447c0da9acdee78 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftServer.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
@@ -1261,7 +1261,11 @@ public final class CraftServer implements Server {
             .orElse(null);
         RegistryAccess contextRegistryAccess = registryAccess;
         if (worldGenSettings == null) {
-            WorldOptions worldOptions = new WorldOptions(creator.seed(), creator.generateStructures(), creator.bonusChest());
+            // Leaf start - Matter - Secure Seed
+            WorldOptions worldOptions = io.nanachiyo0721.shiroha.config.modules.function.SecureSeedConfig.enabled
+                    ? new WorldOptions(creator.seed(), su.plo.matter.Globals.createRandomWorldSeed(), creator.generateStructures(), false)
+                    : new WorldOptions(creator.seed(), creator.generateStructures(), creator.bonusChest());
+            // Leaf end - Matter - Secure Seed
 
             String flatGenSettings = creator.generatorSettings();
             if (flatGenSettings.isEmpty()) {