1 files changed, 23 insertions, 0 deletions

@@ -144,6 +144,29 @@ class AccessRequirements:
         if resimplify:
             self.simplify()
 
+    def get_referenced_rooms(self):
+        result = set(self.rooms)
+
+        for disjunction in self.or_logic:
+            for sub_req in disjunction:
+                result = result.union(sub_req.get_referenced_rooms())
+
+        for sub_req in self.possibilities:
+            result = result.union(sub_req.get_referenced_rooms())
+
+        return result
+
+    def remove_room(self, room: str):
+        if room in self.rooms:
+            self.rooms.remove(room)
+
+        for disjunction in self.or_logic:
+            for sub_req in disjunction:
+                sub_req.remove_room(room)
+
+        for sub_req in self.possibilities:
+            sub_req.remove_room(room)
+
     def __repr__(self):
         parts = []
         if len(self.items) > 0: