From 907b34642dfea8293a10eb93f37846f0bd73746e Mon Sep 17 00:00:00 2001
From: Glease <4586901+Glease@users.noreply.github.com>
Date: Tue, 7 Mar 2023 12:12:59 +0800
Subject: fix ChunkDataHandler causing CME at chunk unload

---
 .../com/github/technus/tectech/mechanics/data/ChunkDataHandler.java   | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'src/main/java/com')

diff --git a/src/main/java/com/github/technus/tectech/mechanics/data/ChunkDataHandler.java b/src/main/java/com/github/technus/tectech/mechanics/data/ChunkDataHandler.java
index 5a70d35e10..aed20e0b9e 100644
--- a/src/main/java/com/github/technus/tectech/mechanics/data/ChunkDataHandler.java
+++ b/src/main/java/com/github/technus/tectech/mechanics/data/ChunkDataHandler.java
@@ -55,7 +55,9 @@ public class ChunkDataHandler {
             event.getData().removeTag(BASE_TAG_NAME);
         } else {
             chunkData.isLoaded = true;
-            event.getData().setTag(BASE_TAG_NAME, chunkData.data);
+            // make a copy of chunk data. this tag will be serialized on another thread. not making a copy might
+            // cause the other thread to encounter CME.
+            event.getData().setTag(BASE_TAG_NAME, chunkData.data.copy());
         }
     }
 
-- 
cgit