From c235abbfa613a17b2e7c3dbc673bf2675fcde122 Mon Sep 17 00:00:00 2001
From: BONNe <bonne@bonne.id.lv>
Date: Sat, 8 Apr 2023 00:39:27 +0300
Subject: [PATCH] Disable chunk generation on rengeneration (#2114)

The SimpleWorldRegenerator generated world new chunks that were not generated before.
It is not necessary, as regeneration should happen only on used chunks.
---
 .../bentobox/bentobox/nms/SimpleWorldRegenerator.java      | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/main/java/world/bentobox/bentobox/nms/SimpleWorldRegenerator.java b/src/main/java/world/bentobox/bentobox/nms/SimpleWorldRegenerator.java
index e7142284b..f37efc192 100644
--- a/src/main/java/world/bentobox/bentobox/nms/SimpleWorldRegenerator.java
+++ b/src/main/java/world/bentobox/bentobox/nms/SimpleWorldRegenerator.java
@@ -66,7 +66,12 @@ public void run() {
                     }
                     final int x = chunkX;
                     final int z = chunkZ;
-                    newTasks.add(regenerateChunk(gm, di, world, x, z));
+                    
+                    // Only process non-generated chunks
+                    if (world.isChunkGenerated(x, z)) {
+                        newTasks.add(regenerateChunk(gm, di, world, x, z));
+                    }
+                    
                     chunkZ++;
                     if (chunkZ > di.getMaxZChunk()) {
                         chunkZ = di.getMinZChunk();