Bugfix to sync emergency broadcast cooldowns on holopad UIs (#34115)

* Initial commit

* Bug fix

* Included check for gaining power

* Addressed reviews

Content.Server/Holopad/HolopadSystem.cs

@@ -9,6 +9,7 @@ using Content.Shared.Chat.TypingIndicator;
 using Content.Shared.Holopad;
 using Content.Shared.IdentityManagement;
 using Content.Shared.Labels.Components;
+using Content.Shared.Power;
 using Content.Shared.Silicons.StationAi;
 using Content.Shared.Speech;
 using Content.Shared.Telephone;
@@ -74,6 +75,8 @@ public sealed class HolopadSystem : SharedHolopadSystem
         SubscribeLocalEvent<HolopadUserComponent, JumpToCoreEvent>(OnJumpToCore);
         SubscribeLocalEvent<HolopadComponent, GetVerbsEvent<AlternativeVerb>>(AddToggleProjectorVerb);
         SubscribeLocalEvent<HolopadComponent, EntRemovedFromContainerMessage>(OnAiRemove);
+        SubscribeLocalEvent<HolopadComponent, EntParentChangedMessage>(OnParentChanged);
+        SubscribeLocalEvent<HolopadComponent, PowerChangedEvent>(OnPowerChanged);
     }
 
     #region: Holopad UI bound user interface messages
@@ -432,6 +435,17 @@ public sealed class HolopadSystem : SharedHolopadSystem
         _telephoneSystem.EndTelephoneCalls((entity, entityTelephone));
     }
 
+    private void OnParentChanged(Entity<HolopadComponent> entity, ref EntParentChangedMessage args)
+    {
+        UpdateHolopadControlLockoutStartTime(entity);
+    }
+
+    private void OnPowerChanged(Entity<HolopadComponent> entity, ref PowerChangedEvent args)
+    {
+        if (args.Powered)
+            UpdateHolopadControlLockoutStartTime(entity);
+    }
+
     #endregion
 
     public override void Update(float frameTime)
@@ -678,11 +692,10 @@ public sealed class HolopadSystem : SharedHolopadSystem
         _telephoneSystem.TerminateTelephoneCalls(sourceTelephoneEntity);
 
         // Find all holopads in range of the source
-        var sourceXform = Transform(source);
         var receivers = new HashSet<Entity<TelephoneComponent>>();
 
-        var query = AllEntityQuery<HolopadComponent, TelephoneComponent, TransformComponent>();
+        var query = AllEntityQuery<HolopadComponent, TelephoneComponent>();
-        while (query.MoveNext(out var receiver, out var receiverHolopad, out var receiverTelephone, out var receiverXform))
+        while (query.MoveNext(out var receiver, out var receiverHolopad, out var receiverTelephone))
         {
             var receiverTelephoneEntity = new Entity<TelephoneComponent>(receiver, receiverTelephone);
 
@@ -745,6 +758,33 @@ public sealed class HolopadSystem : SharedHolopadSystem
         return linkedHolopads;
     }
 
+    private void UpdateHolopadControlLockoutStartTime(Entity<HolopadComponent> source)
+    {
+        if (!TryComp<TelephoneComponent>(source, out var sourceTelephone))
+            return;
+
+        var sourceTelephoneEntity = new Entity<TelephoneComponent>(source, sourceTelephone);
+        var isDirty = false;
+
+        var query = AllEntityQuery<HolopadComponent, TelephoneComponent>();
+        while (query.MoveNext(out var receiver, out var receiverHolopad, out var receiverTelephone))
+        {
+            var receiverTelephoneEntity = new Entity<TelephoneComponent>(receiver, receiverTelephone);
+
+            if (!_telephoneSystem.IsSourceInRangeOfReceiver(sourceTelephoneEntity, receiverTelephoneEntity))
+                continue;
+
+            if (receiverHolopad.ControlLockoutStartTime > source.Comp.ControlLockoutStartTime)
+            {
+                source.Comp.ControlLockoutStartTime = receiverHolopad.ControlLockoutStartTime;
+                isDirty = true;
+            }
+        }
+
+        if (isDirty)
+            Dirty(source);
+    }
+
     private void SetHolopadAmbientState(Entity<HolopadComponent> entity, bool isEnabled)
     {
         if (TryComp<PointLightComponent>(entity, out var pointLight))