From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: William Blake Galbreath <blake.galbreath@gmail.com>
Date: Wed, 15 Jul 2020 12:40:25 -0500
Subject: [PATCH] Configurable dungeon seed


diff --git a/src/main/java/net/minecraft/world/level/levelgen/feature/MonsterRoomFeature.java b/src/main/java/net/minecraft/world/level/levelgen/feature/MonsterRoomFeature.java
index d36b6208077254af5f0ebed8e8ce20fd45cbb79d..b09611f7c5177d3f5b22ffcaa9a65480afa819c3 100644
--- a/src/main/java/net/minecraft/world/level/levelgen/feature/MonsterRoomFeature.java
+++ b/src/main/java/net/minecraft/world/level/levelgen/feature/MonsterRoomFeature.java
@@ -25,6 +25,7 @@ public class MonsterRoomFeature extends Feature<NoneFeatureConfiguration> {
     private static final Logger LOGGER = LogManager.getLogger();
     private static final EntityType<?>[] MOBS = new EntityType[]{EntityType.SKELETON, EntityType.ZOMBIE, EntityType.ZOMBIE, EntityType.SPIDER};
     private static final BlockState AIR = Blocks.CAVE_AIR.defaultBlockState();
+    private Random random; // Purpur
 
     public MonsterRoomFeature(Codec<NoneFeatureConfiguration> configCodec) {
         super(configCodec);
@@ -32,9 +33,13 @@ public class MonsterRoomFeature extends Feature<NoneFeatureConfiguration> {
 
     @Override
     public boolean place(FeaturePlaceContext<NoneFeatureConfiguration> context) {
+        // Purpur start
+        if (random == null) {
+            int seed = net.pl3x.purpur.PurpurConfig.dungeonSeed;
+            this.random = seed == -1 ? random : new Random(seed);
+        }
         Predicate<BlockState> predicate = Feature.isReplaceable(BlockTags.FEATURES_CANNOT_REPLACE.getName());
         BlockPos blockPos = context.origin();
-        Random random = context.random();
         WorldGenLevel worldGenLevel = context.level();
         int i = 3;
         int j = random.nextInt(2) + 2;
diff --git a/src/main/java/net/pl3x/purpur/PurpurConfig.java b/src/main/java/net/pl3x/purpur/PurpurConfig.java
index 22da09e40f2b835868407ff808967dd7d393e08b..701bf8b781fb9f276a0c470a5f9434e51cd56bfd 100644
--- a/src/main/java/net/pl3x/purpur/PurpurConfig.java
+++ b/src/main/java/net/pl3x/purpur/PurpurConfig.java
@@ -146,10 +146,13 @@ public class PurpurConfig {
         pingCommandOutput = getString("settings.messages.ping-command-output", pingCommandOutput);
     }
 
+    public static int dungeonSeed = -1;
     public static int endSpikeSeed = -1;
     private static void seedSettings() {
+        dungeonSeed = getInt("settings.seed.dungeon", dungeonSeed);
         endSpikeSeed = getInt("settings.seed.end-spike", endSpikeSeed);
         if (!TimingsManager.hiddenConfigs.contains("settings.seed")) TimingsManager.hiddenConfigs.add("settings.seed");
+        if (!TimingsManager.hiddenConfigs.contains("settings.seed.dungeon")) TimingsManager.hiddenConfigs.add("settings.seed.dungeon");
         if (!TimingsManager.hiddenConfigs.contains("settings.seed.end-spike")) TimingsManager.hiddenConfigs.add("settings.seed.end-spike");
     }