From 400ef77a948cc9755c59f1c70edee87cfce77c4c Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Sat, 14 Mar 2026 23:11:56 +0000
Subject: [PATCH 1/2] Initial plan


From ec58c0827808d1235bb1a04904847cb04478298c Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Sat, 14 Mar 2026 23:33:22 +0000
Subject: [PATCH 2/2] Add trial chambers support: fix trial spawner copying and
 advancement tracking

Co-authored-by: tastybento <4407265+tastybento@users.noreply.github.com>
---
 .../chunks/BoxedBlockPopulator.java           | 19 +++++++++++++++++++
 .../chunks/BoxedChunkGenerator.java           |  8 ++++++++
 .../boxed/listeners/NewAreaListener.java      |  2 +-
 3 files changed, 28 insertions(+), 1 deletion(-)

diff --git a/src/main/java/world/bentobox/boxed/generators/chunks/BoxedBlockPopulator.java b/src/main/java/world/bentobox/boxed/generators/chunks/BoxedBlockPopulator.java
index df27d4c..2795869 100644
--- a/src/main/java/world/bentobox/boxed/generators/chunks/BoxedBlockPopulator.java
+++ b/src/main/java/world/bentobox/boxed/generators/chunks/BoxedBlockPopulator.java
@@ -10,6 +10,8 @@
 import org.bukkit.block.Banner;
 import org.bukkit.block.BlockState;
 import org.bukkit.block.CreatureSpawner;
+import org.bukkit.block.TrialSpawner;
+import org.bukkit.spawner.TrialSpawnerConfiguration;
 import org.bukkit.entity.Entity;
 import org.bukkit.generator.BlockPopulator;
 import org.bukkit.generator.LimitedRegion;
@@ -20,6 +22,7 @@
 
 import world.bentobox.bentobox.blueprints.dataobjects.BlueprintBlock;
 import world.bentobox.bentobox.blueprints.dataobjects.BlueprintCreatureSpawner;
+import world.bentobox.bentobox.blueprints.dataobjects.BlueprintTrialSpawner;
 import world.bentobox.bentobox.util.Pair;
 import world.bentobox.boxed.Boxed;
 import world.bentobox.boxed.generators.chunks.AbstractBoxedChunkGenerator.ChestData;
@@ -98,6 +101,10 @@ public void setBlockState(BlockState bs, BlueprintBlock bpBlock) {
         else if (bs instanceof CreatureSpawner spawner) {
             setSpawner(spawner, bpBlock.getCreatureSpawner());
         }
+        // Trial spawners
+        else if (bs instanceof TrialSpawner trialSpawner && bpBlock.getTrialSpawner() != null) {
+            setTrialSpawner(trialSpawner, bpBlock.getTrialSpawner());
+        }
         // Banners
         else if (bs instanceof Banner banner && bpBlock.getBannerPatterns() != null) {
             bpBlock.getBannerPatterns().removeIf(Objects::isNull);
@@ -129,4 +136,16 @@ public void setSpawner(CreatureSpawner spawner, BlueprintCreatureSpawner s) {
         spawner.update(true, false);
     }
 
+    /**
+     * Set the trial spawner configuration from the blueprint
+     *
+     * @param trialSpawner - trial spawner
+     * @param bts          - blueprint trial spawner
+     */
+    public void setTrialSpawner(TrialSpawner trialSpawner, BlueprintTrialSpawner bts) {
+        TrialSpawnerConfiguration config = trialSpawner.getNormalConfiguration();
+        trialSpawner.setOminous(bts.configTrialSpawner(config));
+        trialSpawner.update(true, false);
+    }
+
 }
diff --git a/src/main/java/world/bentobox/boxed/generators/chunks/BoxedChunkGenerator.java b/src/main/java/world/bentobox/boxed/generators/chunks/BoxedChunkGenerator.java
index e47099b..fd6dd38 100644
--- a/src/main/java/world/bentobox/boxed/generators/chunks/BoxedChunkGenerator.java
+++ b/src/main/java/world/bentobox/boxed/generators/chunks/BoxedChunkGenerator.java
@@ -17,6 +17,7 @@
 import org.bukkit.block.BlockState;
 import org.bukkit.block.CreatureSpawner;
 import org.bukkit.block.Sign;
+import org.bukkit.block.TrialSpawner;
 import org.bukkit.entity.AbstractHorse;
 import org.bukkit.entity.Ageable;
 import org.bukkit.entity.ChestedHorse;
@@ -36,6 +37,7 @@
 import world.bentobox.bentobox.blueprints.dataobjects.BlueprintBlock;
 import world.bentobox.bentobox.blueprints.dataobjects.BlueprintCreatureSpawner;
 import world.bentobox.bentobox.blueprints.dataobjects.BlueprintEntity;
+import world.bentobox.bentobox.blueprints.dataobjects.BlueprintTrialSpawner;
 import world.bentobox.boxed.Boxed;
 
 /**
@@ -175,6 +177,12 @@ private BlueprintBlock getBluePrintBlock(Block block) {
             b.setCreatureSpawner(getSpawner(spawner));
         }
 
+        // Trial spawner
+        if (blockState instanceof TrialSpawner trialSpawner) {
+            b.setTrialSpawner(new BlueprintTrialSpawner(trialSpawner.isOminous(),
+                    trialSpawner.isOminous() ? trialSpawner.getOminousConfiguration() : trialSpawner.getNormalConfiguration()));
+        }
+
         // Banners
         if (blockState instanceof Banner banner) {
             b.setBannerPatterns(banner.getPatterns());
diff --git a/src/main/java/world/bentobox/boxed/listeners/NewAreaListener.java b/src/main/java/world/bentobox/boxed/listeners/NewAreaListener.java
index 0dd552c..57cfee5 100644
--- a/src/main/java/world/bentobox/boxed/listeners/NewAreaListener.java
+++ b/src/main/java/world/bentobox/boxed/listeners/NewAreaListener.java
@@ -79,7 +79,7 @@ public class NewAreaListener implements Listener {
             "mineshaft", "mineshaft_mesa", "monument", "nether_fossil", "ocean_ruin_cold", "ocean_ruin_warm",
             "pillager_outpost", "ruined_portal_desert", "ruined_portal_jungle", "ruined_portal_mountain",
             "ruined_portal_nether", "ruined_portal_ocean", "ruined_portal_swamp", "ruined_portal", "shipwreck_beached",
-            "shipwreck", "stronghold", "swamp_hut", "village_desert", "village_plains", "village_savanna",
+            "shipwreck", "stronghold", "swamp_hut", "trial_chambers", "village_desert", "village_plains", "village_savanna",
             "village_snowy", "village_taiga");
     private final Boxed addon;
     private final File structureFile;