1 files changed, 6 insertions, 0 deletions
diff --git a/src/main/java/kr/syeyoung/dungeonsguide/dungeon/actions/tree/ActionTree.java b/src/main/java/kr/syeyoung/dungeonsguide/dungeon/actions/tree/ActionTree.java
index 1db6767c..334f7c2b 100644
--- a/src/main/java/kr/syeyoung/dungeonsguide/dungeon/actions/tree/ActionTree.java
+++ b/src/main/java/kr/syeyoung/dungeonsguide/dungeon/actions/tree/ActionTree.java
@@ -4,6 +4,7 @@ import kr.syeyoung.dungeonsguide.dungeon.actions.Action;
 import kr.syeyoung.dungeonsguide.dungeon.actions.ActionRoot;
 import kr.syeyoung.dungeonsguide.dungeon.roomfinder.DungeonRoom;
 import lombok.Data;
+import lombok.EqualsAndHashCode;
 
 import java.util.HashMap;
 import java.util.HashSet;
@@ -12,10 +13,14 @@ import java.util.Set;
 
 @Data
 public class ActionTree {
+    @EqualsAndHashCode.Exclude
     private ActionTree parent;
     private Action current;
     private Set<ActionTree> children;
 
+    @Override
+    public int hashCode() { return current == null ? 0 : current.hashCode(); }
+
 
     public static ActionTree buildActionTree(Set<Action> actions, DungeonRoom dungeonRoom) {
         ActionRoot root = new ActionRoot();
@@ -31,6 +36,7 @@ public class ActionTree {
         return tree;
     }
 
+
     private static ActionTree buildActionTree(ActionTree parent, Action action, DungeonRoom dungeonRoom, Map<Action, ActionTree> alreadyBuilt) {
         if (action == null) return null;
         if (alreadyBuilt.containsKey(action)) return alreadyBuilt.get(action);