fix airlocks inconsistently auto-closing after unbolting (#33524)

fix door auto close timer

Content.Shared/Doors/Components/DoorComponent.cs

@@ -66,7 +66,7 @@ public sealed partial class DoorComponent : Component
     /// <summary>
     ///     When the door is active, this is the time when the state will next update.
     /// </summary>
-    [AutoNetworkedField]
+    [AutoNetworkedField, ViewVariables]
     public TimeSpan? NextStateChange;
 
     /// <summary>

Content.Shared/Doors/DoorEvents.cs

@@ -15,6 +15,19 @@ namespace Content.Shared.Doors
         }
     }
 
+    /// <summary>
+    /// Raised when the door's bolt status was changed.
+    /// </summary>
+    public sealed class DoorBoltsChangedEvent : EntityEventArgs
+    {
+        public readonly bool BoltsDown;
+
+        public DoorBoltsChangedEvent(bool boltsDown)
+        {
+            BoltsDown = boltsDown;
+        }
+    }
+
     /// <summary>
     /// Raised when the door is determining whether it is able to open.
     /// Cancel to stop the door from being opened.

Content.Shared/Doors/Systems/SharedAirlockSystem.cs

@@ -22,6 +22,7 @@ public abstract class SharedAirlockSystem : EntitySystem
 
         SubscribeLocalEvent<AirlockComponent, BeforeDoorClosedEvent>(OnBeforeDoorClosed);
         SubscribeLocalEvent<AirlockComponent, DoorStateChangedEvent>(OnStateChanged);
+        SubscribeLocalEvent<AirlockComponent, DoorBoltsChangedEvent>(OnBoltsChanged);
         SubscribeLocalEvent<AirlockComponent, BeforeDoorOpenedEvent>(OnBeforeDoorOpened);
         SubscribeLocalEvent<AirlockComponent, BeforeDoorDeniedEvent>(OnBeforeDoorDenied);
         SubscribeLocalEvent<AirlockComponent, GetPryTimeModifierEvent>(OnGetPryMod);
@@ -70,6 +71,13 @@ public abstract class SharedAirlockSystem : EntitySystem
         }
     }
 
+    private void OnBoltsChanged(EntityUid uid, AirlockComponent component, DoorBoltsChangedEvent args)
+    {
+        // If unbolted, reset the auto close timer
+        if (!args.BoltsDown)
+            UpdateAutoClose(uid, component);
+    }
+
     private void OnBeforeDoorOpened(EntityUid uid, AirlockComponent component, BeforeDoorOpenedEvent args)
     {
         if (!CanChangeState(uid, component))

Content.Shared/Doors/Systems/SharedDoorSystem.Bolts.cs

@@ -96,6 +96,10 @@ public abstract partial class SharedDoorSystem
         Dirty(ent, ent.Comp);
         UpdateBoltLightStatus(ent);
 
+        // used to reset the auto-close timer after unbolting
+        var ev = new DoorBoltsChangedEvent(value);
+        RaiseLocalEvent(ent.Owner, ev);
+
         var sound = value ? ent.Comp.BoltDownSound : ent.Comp.BoltUpSound;
         if (predicted)
             Audio.PlayPredicted(sound, ent, user: user);

Content.Shared/Doors/Systems/SharedDoorSystem.cs

@@ -700,6 +700,8 @@ public abstract partial class SharedDoorSystem : EntitySystem
         }
 
         door.NextStateChange = GameTiming.CurTime + delay.Value;
+        Dirty(uid, door);
+
         _activeDoors.Add((uid, door));
     }