From 25111c62be245b2b534cd8f9a702409ec3d84a18 Mon Sep 17 00:00:00 2001
From: yoyosource <yoyosource@nidido.de>
Date: Tue, 20 Apr 2021 11:03:46 +0200
Subject: [PATCH] Add Region.initSessions

---
 .../src/de/steamwar/bausystem/region/Region.java      | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/BauSystem_Main/src/de/steamwar/bausystem/region/Region.java b/BauSystem_Main/src/de/steamwar/bausystem/region/Region.java
index f8b8a767..b48c23f9 100644
--- a/BauSystem_Main/src/de/steamwar/bausystem/region/Region.java
+++ b/BauSystem_Main/src/de/steamwar/bausystem/region/Region.java
@@ -27,6 +27,7 @@ import de.steamwar.bausystem.region.utils.RegionExtensionType;
 import de.steamwar.bausystem.region.utils.RegionType;
 import de.steamwar.bausystem.shared.SizedStack;
 import de.steamwar.sql.Schematic;
+import lombok.AccessLevel;
 import lombok.Getter;
 import lombok.NonNull;
 import org.bukkit.Location;
@@ -90,7 +91,10 @@ public class Region {
 
     private FlagStorage flagStorage;
 
+    @Getter(AccessLevel.PRIVATE)
     private SizedStack<EditSession> undoSessions;
+
+    @Getter(AccessLevel.PRIVATE)
     private SizedStack<EditSession> redoSessions;
 
     public Region(String name, Prototype prototype, YAPIONObject regionConfig, FlagStorage flagStorage, YAPIONObject regionData) {
@@ -164,6 +168,13 @@ public class Region {
         }
     }
 
+    private void initSessions() {
+        if (undoSessions == null) {
+            undoSessions = new SizedStack<>(20);
+            redoSessions = new SizedStack<>(20);
+        }
+    }
+
     public boolean inRegion(Location location, RegionType regionType, RegionExtensionType regionExtensionType) {
         if (!hasType(regionType)) {
             return false;