From 44452bab09bc22a6dbcd71f9eb10d01e4e2960ae Mon Sep 17 00:00:00 2001
From: MCSamuel <morrissamuelw@gmail.com>
Date: Wed, 1 Apr 2026 12:54:28 -0700
Subject: [PATCH] deprecated ChunkTag.regenerate on 1.21+

---
 .../com/denizenscript/denizen/objects/ChunkTag.java    | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/plugin/src/main/java/com/denizenscript/denizen/objects/ChunkTag.java b/plugin/src/main/java/com/denizenscript/denizen/objects/ChunkTag.java
index d2b8ba213b..10f7e173b2 100644
--- a/plugin/src/main/java/com/denizenscript/denizen/objects/ChunkTag.java
+++ b/plugin/src/main/java/com/denizenscript/denizen/objects/ChunkTag.java
@@ -889,15 +889,21 @@ public void adjust(Mechanism mechanism) {
         // <--[mechanism]
         // @object ChunkTag
         // @name regenerate
+        // @deprecated This functionality was removed from Spigot and Paper as of 1.21.
         // @input None
         // @description
+        // Deprecated on MC 1.21+.
         // Causes the chunk to be entirely deleted and reformed from the world's seed.
-        // At time of writing this method only works as expected on Paper, and will error on Spigot.
         // @example
         // - adjust <player.location.chunk> regenerate
         // -->
         if (mechanism.matches("regenerate")) {
-            getBukkitWorld().regenerateChunk(getX(), getZ());
+            if (NMSHandler.getVersion().isAtMost(NMSVersion.v1_20)) {
+                getBukkitWorld().regenerateChunk(getX(), getZ());
+            }
+            else {
+                mechanism.echoError("The 'ChunkTag.regenerate' mechanism has been deprecated upstream and is no longer supported.");
+            }
         }
 
         // <--[mechanism]