diff --git a/include/d/a/obj/d_a_obj_door_boss.h b/include/d/a/obj/d_a_obj_door_boss.h
index 945238a2..b4ef8602 100644
--- a/include/d/a/obj/d_a_obj_door_boss.h
+++ b/include/d/a/obj/d_a_obj_door_boss.h
@@ -10,6 +10,8 @@ public:
     dAcOdoorBoss_c() : mStateMgr(*this, sStateID::null) {}
     virtual ~dAcOdoorBoss_c() {}
 
+    virtual bool canOpen() override;
+
     STATE_FUNC_DECLARE(dAcOdoorBoss_c, UnlockWait);
     STATE_FUNC_DECLARE(dAcOdoorBoss_c, CorrectKey);
     STATE_FUNC_DECLARE(dAcOdoorBoss_c, KeyInsertInitialInterval);
diff --git a/include/d/a/obj/d_a_obj_shutter.h b/include/d/a/obj/d_a_obj_shutter.h
index e2fa570a..d33554c8 100644
--- a/include/d/a/obj/d_a_obj_shutter.h
+++ b/include/d/a/obj/d_a_obj_shutter.h
@@ -10,6 +10,8 @@ public:
     dAcOShutter_c() : mStateMgr(*this, sStateID::null) {}
     virtual ~dAcOShutter_c() {}
 
+    virtual bool canOpen() override;
+
     STATE_FUNC_DECLARE(dAcOShutter_c, Wait);
     STATE_FUNC_DECLARE(dAcOShutter_c, Open);
     STATE_FUNC_DECLARE(dAcOShutter_c, Close);
diff --git a/include/d/a/obj/d_a_obj_shutter_change_scene.h b/include/d/a/obj/d_a_obj_shutter_change_scene.h
index 8479e760..71a8b17f 100644
--- a/include/d/a/obj/d_a_obj_shutter_change_scene.h
+++ b/include/d/a/obj/d_a_obj_shutter_change_scene.h
@@ -10,6 +10,8 @@ public:
     dAcOShutterChangeScene_c() : mStateMgr(*this, sStateID::null) {}
     virtual ~dAcOShutterChangeScene_c() {}
 
+    virtual bool canOpen() override;
+
     STATE_FUNC_DECLARE(dAcOShutterChangeScene_c, WaitOpenShutter);
     STATE_FUNC_DECLARE(dAcOShutterChangeScene_c, WaitOpenShutterForEvent);
     STATE_FUNC_DECLARE(dAcOShutterChangeScene_c, OpenShutter);
diff --git a/include/d/a/obj/d_a_obj_tr_shutter_cs.h b/include/d/a/obj/d_a_obj_tr_shutter_cs.h
index f8b074fe..7f2d150a 100644
--- a/include/d/a/obj/d_a_obj_tr_shutter_cs.h
+++ b/include/d/a/obj/d_a_obj_tr_shutter_cs.h
@@ -10,6 +10,8 @@ public:
     dAcOTrlyShtrChgScn_c() : mStateMgr(*this, sStateID::null) {}
     virtual ~dAcOTrlyShtrChgScn_c() {}
 
+    virtual bool canOpen() override;
+
     STATE_FUNC_DECLARE(dAcOTrlyShtrChgScn_c, Wait);
     STATE_FUNC_DECLARE(dAcOTrlyShtrChgScn_c, OpenEvent);
 
diff --git a/include/d/a/obj/d_a_obj_trolley_shutter.h b/include/d/a/obj/d_a_obj_trolley_shutter.h
index 86ea3dad..f7ed3c3c 100644
--- a/include/d/a/obj/d_a_obj_trolley_shutter.h
+++ b/include/d/a/obj/d_a_obj_trolley_shutter.h
@@ -10,6 +10,8 @@ public:
     dAcOTrolleyShutter_c() : mStateMgr(*this, sStateID::null) {}
     virtual ~dAcOTrolleyShutter_c() {}
 
+    virtual bool canOpen() override;
+
     STATE_FUNC_DECLARE(dAcOTrolleyShutter_c, Wait);
     STATE_FUNC_DECLARE(dAcOTrolleyShutter_c, OpenEvent);