From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Apehum <apehumchik@gmail.com>
Date: Thu, 9 Dec 2021 02:18:17 +0800
Subject: [PATCH] Matter: Secure Seed

TODO - Dreeam:
Able to write feature seed in existed level.dat (Done)
Update to BLAKE3

Original license: GPLv3
Original project: https://github.com/plasmoapp/matter

Co-authored-by: Dreeam <61569423+Dreeam-qwq@users.noreply.github.com>
Co-authored-by: HaHaWTH <102713261+HaHaWTH@users.noreply.github.com>

diff --git a/src/main/java/org/bukkit/craftbukkit/CraftChunk.java b/src/main/java/org/bukkit/craftbukkit/CraftChunk.java
index 400e632208d133a3f49fc7f14bceb48a1026769b..8c4e5b0c81d90a0eeee4ab9e5882b1372a628954 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftChunk.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftChunk.java
@@ -196,7 +196,14 @@ 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
+        if (this.level.paperConfig().entities.spawning.allChunksAreSlimeChunks) {
+            return true;
+        }
+        return org.dreeam.leaf.config.modules.misc.SecureSeed.enabled
+            ? level.getChunk(this.getX(), this.getZ()).isSlimeChunk()
+            : WorldgenRandom.seedSlimeChunk(this.getX(), this.getZ(), this.getWorld().getSeed(), level.spigotConfig.slimeSeed).nextInt(10) == 0; // Paper;
+        // 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 079fcde7b0eb47838f4ccf256ed5adb6ffbca95a..01b44f84f53ccf6aebd31bb940f0d7c7aa296b32 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftServer.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
@@ -1355,7 +1355,11 @@ public final class CraftServer implements Server {
             registryAccess = levelDataAndDimensions.dimensions().dimensionsRegistryAccess();
         } else {
             LevelSettings levelSettings;
-            WorldOptions worldOptions = new WorldOptions(creator.seed(), creator.generateStructures(), creator.bonusChest());
+            // Leaf start - Matter - Secure Seed
+            WorldOptions worldOptions = org.dreeam.leaf.config.modules.misc.SecureSeed.enabled
+                ? new WorldOptions(creator.seed(), su.plo.matter.Globals.createRandomWorldSeed(), creator.generateStructures(), creator.bonusChest())
+                : new WorldOptions(creator.seed(), creator.generateStructures(), creator.bonusChest());
+            // Leaf end - Matter - Secure Seed
             WorldDimensions worldDimensions;
 
             DedicatedServerProperties.WorldDimensionData properties = new DedicatedServerProperties.WorldDimensionData(GsonHelper.parse((creator.generatorSettings().isEmpty()) ? "{}" : creator.generatorSettings()), creator.type().name().toLowerCase(Locale.ROOT));