Use nav beacon locations for announcements (#26437)

* use nav beacon locations for announcements

* :thumbs_up:

Content.Shared/Pinpointer/NavMapBeaconComponent.cs

@@ -16,6 +16,13 @@ public sealed partial class NavMapBeaconComponent : Component
     [AutoNetworkedField]
     public string? Text;
 
+    /// <summary>
+    /// A localization string that populates <see cref="Text"/> if it is null at mapinit.
+    /// Used so that mappers can still override Text while mapping.
+    /// </summary>
+    [DataField]
+    public LocId? DefaultText;
+
     [ViewVariables(VVAccess.ReadWrite), DataField]
     [AutoNetworkedField]
     public Color Color = Color.Orange;

Content.Shared/Pinpointer/SharedNavMapSystem.cs

@@ -8,13 +8,6 @@ public abstract class SharedNavMapSystem : EntitySystem
 {
     public const byte ChunkSize = 4;
 
-    public override void Initialize()
-    {
-        base.Initialize();
-
-        SubscribeLocalEvent<NavMapBeaconComponent, MapInitEvent>(OnNavMapBeaconMapInit);
-    }
-
     /// <summary>
     /// Converts the chunk's tile into a bitflag for the slot.
     /// </summary>
@@ -38,13 +31,6 @@ public abstract class SharedNavMapSystem : EntitySystem
         return new Vector2i(x, y);
     }
 
-    private void OnNavMapBeaconMapInit(EntityUid uid, NavMapBeaconComponent component, MapInitEvent args)
-    {
-        component.Text ??= string.Empty;
-        component.Text = Loc.GetString(component.Text);
-        Dirty(uid, component);
-    }
-
     [Serializable, NetSerializable]
     protected sealed class NavMapComponentState : ComponentState
     {