Fix firelock lights for hot / pressurized rooms (#15892)

Content.Client/Doors/FirelockSystem.cs

@@ -0,0 +1,27 @@
+using Content.Shared.Doors.Components;
+using Robust.Client.GameObjects;
+
+namespace Content.Client.Doors;
+
+public sealed class FirelockSystem : EntitySystem
+{
+    [Dependency] protected readonly SharedAppearanceSystem AppearanceSystem = default!;
+
+    public override void Initialize()
+    {
+        base.Initialize();
+        SubscribeLocalEvent<FirelockComponent, AppearanceChangeEvent>(OnAppearanceChange);
+    }
+
+    private void OnAppearanceChange(EntityUid uid, FirelockComponent comp, ref AppearanceChangeEvent args)
+    {
+        if (args.Sprite == null)
+            return;
+
+        // Apply the closed lights bool to the sprite
+        bool unlitVisible =
+            (AppearanceSystem.TryGetData<bool>(uid, DoorVisuals.ClosedLights, out var closedLights, args.Component) &&
+             closedLights);
+        args.Sprite.LayerSetVisible(DoorVisualLayers.BaseUnlit, unlitVisible);
+    }
+}

Content.IntegrationTests/Tests/Doors/AirlockTest.cs

@@ -1,6 +1,5 @@
 using System;
 using System.Threading.Tasks;
-using Content.Server.Doors.Components;
 using Content.Server.Doors.Systems;
 using Content.Shared.Doors.Components;
 using NUnit.Framework;

Content.Server/Atmos/EntitySystems/AtmosphereSystem.Monstermos.cs

@@ -1,6 +1,6 @@
 using Content.Server.Atmos.Components;
-using Content.Server.Doors.Components;
 using Content.Server.Doors.Systems;
+using Content.Shared.Doors.Components;
 using Content.Shared.Atmos;
 using Content.Shared.Atmos.Components;
 using Content.Shared.Database;

Content.Server/Construction/Conditions/AirlockBolted.cs

@@ -1,6 +1,5 @@
 using Content.Shared.Construction;
 using JetBrains.Annotations;
-using Content.Server.Doors.Components;
 using Content.Shared.Doors.Components;
 using Content.Shared.Examine;
 

Content.Server/Doors/Systems/FirelockSystem.cs

@@ -1,7 +1,6 @@
 using Content.Server.Atmos.Components;
 using Content.Server.Atmos.EntitySystems;
 using Content.Server.Atmos.Monitor.Systems;
-using Content.Server.Doors.Components;
 using Content.Server.Popups;
 using Content.Server.Power.Components;
 using Content.Server.Power.EntitySystems;
@@ -161,13 +160,13 @@ namespace Content.Server.Doors.Systems
         {
             var ev = new BeforeDoorAutoCloseEvent();
             RaiseLocalEvent(uid, ev);
+            UpdateVisuals(uid, component, args);
             if (ev.Cancelled)
             {
                 return;
             }
 
             _doorSystem.SetNextStateChange(uid, component.AutocloseDelay);
-            UpdateVisuals(uid, component, args);
         }
 
         private void OnBeforeDoorAutoclose(EntityUid uid, FirelockComponent component, BeforeDoorAutoCloseEvent args)

Content.Server/Doors/WireActions/DoorSafetyWireAction.cs

@@ -1,4 +1,3 @@
-using Content.Server.Doors.Components;
 using Content.Server.Wires;
 using Content.Shared.Doors;
 using Content.Shared.Doors.Components;

Content.Server/Doors/WireActions/DoorTimingWireAction.cs

@@ -1,4 +1,3 @@
-using Content.Server.Doors.Components;
 using Content.Server.Wires;
 using Content.Shared.Doors;
 using Content.Shared.Doors.Components;

Content.Server/Remotes/DoorRemoteSystem.cs

@@ -7,7 +7,6 @@ using Content.Shared.Doors.Systems;
 using Content.Shared.Physics;
 using Content.Shared.Access.Components;
 using Content.Server.Doors.Systems;
-using Content.Server.Doors.Components;
 using Content.Server.Power.EntitySystems;
 using Content.Shared.Database;
 using Content.Shared.Interaction.Events;

Content.Shared/Doors/Components/FirelockComponent.cs

@@ -1,7 +1,6 @@
-using Content.Server.Atmos.Monitor.Components;
 using Content.Shared.Doors.Components;
 
-namespace Content.Server.Doors.Components
+namespace Content.Shared.Doors.Components
 {
     /// <summary>
     /// Companion component to <see cref="DoorComponent"/> that handles firelock-specific behavior, including