Auto rename ship faxes

Content.Server/Fax/FaxMachineComponent.cs

@@ -15,6 +15,13 @@ public sealed class FaxMachineComponent : Component
     [DataField("name")]
     public string FaxName { get; set; } = "Unknown";
 
+    /// <summary>
+    /// If true, will sync fax name with a station name.
+    /// </summary>
+    [ViewVariables(VVAccess.ReadWrite)]
+    [DataField("useStationName")]
+    public bool UseStationName { get; set; }
+
     /// <summary>
     /// Device address of fax in network to which data will be send
     /// </summary>

Content.Server/Fax/FaxSystem.cs

@@ -223,6 +223,10 @@ private void OnInteractUsing(EntityUid uid, FaxMachineComponent component, Inter
             component.FaxName = newName;
             _popupSystem.PopupEntity(Loc.GetString("fax-machine-popup-name-set"), uid);
             UpdateUserInterface(uid, component);
+
+            // if we changed our fax name manually
+            // it will loose sync with station name
+            component.UseStationName = false;
         });
 
         args.Handled = true;

Content.Server/Station/Components/StationRenameFaxesComponent.cs

@@ -0,0 +1,10 @@
+namespace Content.Server.Station.Components;
+
+/// <summary>
+/// Rename all faxes on a station when station name changes.
+/// Only faxes with "UseStationName" will be affected.
+/// </summary>
+[RegisterComponent]
+public sealed class StationRenameFaxesComponent : Component
+{
+}

Content.Server/Station/Systems/StationRenameFaxesSystem.cs

@@ -0,0 +1,45 @@
+using Content.Server.Fax;
+using Content.Server.Station.Components;
+using Content.Server.Station.Events;
+
+namespace Content.Server.Station.Systems;
+
+public sealed class StationRenameFaxesSystem : EntitySystem
+{
+    [Dependency] private readonly StationSystem _stationSystem = default!;
+
+    public override void Initialize()
+    {
+        base.Initialize();
+        SubscribeLocalEvent<StationRenameFaxesComponent, StationRenamedEvent>(OnRenamed);
+        SubscribeLocalEvent<StationRenameFaxesComponent, StationPostInitEvent>(OnPostInit);
+    }
+
+    private void OnPostInit(EntityUid uid, StationRenameFaxesComponent component, ref StationPostInitEvent args)
+    {
+        SyncFaxesNames(uid);
+    }
+
+    private void OnRenamed(EntityUid uid, StationRenameFaxesComponent component, StationRenamedEvent args)
+    {
+        SyncFaxesNames(uid);
+    }
+
+    private void SyncFaxesNames(EntityUid stationUid)
+    {
+        // update all faxes that belong to this station grid
+        var query = EntityQueryEnumerator<FaxMachineComponent>();
+        while (query.MoveNext(out var uid, out var fax))
+        {
+            if (!fax.UseStationName)
+                continue;
+
+            var faxStationUid = _stationSystem.GetOwningStation(uid);
+            if (faxStationUid != stationUid)
+                continue;
+
+            var stationName = Name(faxStationUid.Value);
+            fax.FaxName = stationName;
+        }
+    }
+}

Resources/Prototypes/Entities/Stations/base.yml

@@ -71,3 +71,9 @@
   abstract: true
   components:
     - type: StationEventEligible # For when someone makes this more granular in the future.
+
+- type: entity
+  id: BaseStationRenameFaxes
+  abstract: true
+  components:
+    - type: StationRenameFaxes

Resources/Prototypes/Entities/Structures/Machines/fax_machine.yml

@@ -105,3 +105,11 @@
     - type: FaxMachine
       name: "Captain's Office"
       receiveNukeCodes: true
+
+- type: entity
+  parent: FaxMachineBase
+  id: FaxMachineShip
+  suffix: Ship
+  components:
+    - type: FaxMachine
+      useStationName: true

Resources/Prototypes/_NF/Shipyard/default_shipyard_catalog.yml

@@ -22,6 +22,7 @@
     - BaseStationAlertLevels
     - BaseStationExpeditions
     - BaseStationAllEventsEligible
+    - BaseStationRenameFaxes
   noSpawn: true
   components:
     - type: Transform
@@ -34,6 +35,7 @@
     - BaseStationRecords
     - BaseStationAlertLevels
     - BaseStationAllEventsEligible
+    - BaseStationRenameFaxes
   noSpawn: true
   components:
     - type: Transform