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path: root/patches/server/0852-Add-config-for-stronghold-seed.patch
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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Jake Potrebic <jake.m.potrebic@gmail.com>
Date: Thu, 13 Jan 2022 23:05:53 -0800
Subject: [PATCH] Add config for stronghold seed


diff --git a/src/main/java/net/minecraft/world/level/chunk/ChunkGenerator.java b/src/main/java/net/minecraft/world/level/chunk/ChunkGenerator.java
index 8bdf3ec461d870204452833bf6f65fe6c35595d8..ab64f85de0051fdd4ff2eaa376eeabce2670b466 100644
--- a/src/main/java/net/minecraft/world/level/chunk/ChunkGenerator.java
+++ b/src/main/java/net/minecraft/world/level/chunk/ChunkGenerator.java
@@ -223,7 +223,13 @@ public abstract class ChunkGenerator implements BiomeManager.NoiseBiomeSource {
             int k = placement.spread();
             Random random = new Random();
 
+            // Paper start
+            if (strongholdSet.is(net.minecraft.world.level.levelgen.structure.BuiltinStructureSets.STRONGHOLDS) && this.conf.strongholdSeed != null) {
+                random.setSeed(this.conf.strongholdSeed);
+            } else {
+            // Paper end
             random.setSeed(this.ringPlacementSeed);
+            } // Paper
             double d0 = random.nextDouble() * 3.141592653589793D * 2.0D;
             int l = 0;
             int i1 = 0;
diff --git a/src/main/java/org/spigotmc/SpigotWorldConfig.java b/src/main/java/org/spigotmc/SpigotWorldConfig.java
index b498b027b127996976a394e9a86cfc90f8a8ed3b..31a447e6e156b7b244b2ac69a9c03c09c7ed388c 100644
--- a/src/main/java/org/spigotmc/SpigotWorldConfig.java
+++ b/src/main/java/org/spigotmc/SpigotWorldConfig.java
@@ -364,6 +364,7 @@ public class SpigotWorldConfig
     public int mansionSeed;
     public int fossilSeed;
     public int portalSeed;
+    public Long strongholdSeed; // Paper
     private void initWorldGenSeeds()
     {
         this.villageSeed = this.getInt( "seed-village", 10387312 );
@@ -381,6 +382,10 @@ public class SpigotWorldConfig
         this.mansionSeed = this.getInt( "seed-mansion", 10387319 );
         this.fossilSeed = this.getInt( "seed-fossil", 14357921 );
         this.portalSeed = this.getInt( "seed-portal", 34222645 );
+        // Paper start
+        final String strongholdSeedString = this.getString("seed-stronghold", "default");
+        this.strongholdSeed = org.apache.commons.lang3.math.NumberUtils.isParsable(strongholdSeedString) ? Long.parseLong(strongholdSeedString) : null;
+        // Paper end
         this.log( "Custom Map Seeds:  Village: " + this.villageSeed + " Desert: " + this.desertSeed + " Igloo: " + this.iglooSeed + " Jungle: " + this.jungleSeed + " Swamp: " + this.swampSeed + " Monument: " + this.monumentSeed
                 + " Ocean: " + this.oceanSeed + " Shipwreck: " + this.shipwreckSeed + " End City: " + this.endCitySeed + " Slime: " + this.slimeSeed + " Nether: " + this.netherSeed + " Mansion: " + this.mansionSeed + " Fossil: " + this.fossilSeed + " Portal: " + this.portalSeed );
     }