From f85c4fab1b128ef61e61b4d1103e94e7350bf1fa Mon Sep 17 00:00:00 2001
From: Kli Kli <klikli@outlook.at>
Date: Sat, 12 Aug 2023 12:04:18 +0200
Subject: [PATCH] fix: concurrent access crash for storage controller

---
 .../container/storage/StorageControllerContainerBase.java     | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/main/java/com/klikli_dev/occultism/common/container/storage/StorageControllerContainerBase.java b/src/main/java/com/klikli_dev/occultism/common/container/storage/StorageControllerContainerBase.java
index 684d776c4..1aa6ab874 100644
--- a/src/main/java/com/klikli_dev/occultism/common/container/storage/StorageControllerContainerBase.java
+++ b/src/main/java/com/klikli_dev/occultism/common/container/storage/StorageControllerContainerBase.java
@@ -51,13 +51,15 @@
 
 import javax.annotation.Nullable;
 import java.util.*;
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.concurrent.ConcurrentMap;
 
 public abstract class StorageControllerContainerBase extends AbstractContainerMenu implements IStorageControllerContainer {
 
     /**
      * Hack to only allow one player to open a container at a time.
      */
-    public static Map<BlockPos, UUID> openContainers = new HashMap<>();
+    public static ConcurrentMap<BlockPos, UUID> openContainers = new ConcurrentHashMap<>();
     public Inventory playerInventory;
     public Player player;
     protected ResultContainer result;