Guard bell (#1242)

* add Guard Bell

* revert vanila changes, add same functionality

* revert more vanila changes, replace .ogg, fix locale and locale usage

* Update GuardBell.yml

* Update base.yml

* add attributions.yml for alerts

* try changing to proper license

---------

Co-authored-by: Ed <96445749+TheShuEd@users.noreply.github.com>

Content.Client/_CP14/UserInterface/GuardBellMenu.xaml.cs

@@ -0,0 +1,86 @@
+using System.Globalization;
+using Content.Client.UserInterface.Controls;
+using Content.Shared.CCVar;
+using Robust.Client.AutoGenerated;
+using Robust.Client.UserInterface.XAML;
+using Robust.Shared.Configuration;
+using Robust.Shared.Timing;
+using Robust.Shared.Utility;
+
+namespace Content.Client._CP14.UserInterface
+{
+    [GenerateTypedNameReferences]
+    public sealed partial class GuardBellMenu : FancyWindow
+    {
+        [Dependency] private readonly IConfigurationManager _cfg = default!;
+        [Dependency] private readonly IGameTiming _timing = default!;
+        [Dependency] private readonly ILocalizationManager _loc = default!;
+
+        public bool AlertLevelSelectable;
+        public string CurrentLevel = string.Empty;
+
+
+        public event Action<string>? OnAlertLevel;
+
+        public GuardBellMenu()
+        {
+            IoCManager.InjectDependencies(this);
+            RobustXamlLoader.Load(this);
+
+            AlertLevelButton.OnItemSelected += args =>
+            {
+                var metadata = AlertLevelButton.GetItemMetadata(args.Id);
+                if (metadata != null && metadata is string cast)
+                {
+                    OnAlertLevel?.Invoke(cast);
+                }
+            };
+
+
+            AlertLevelButton.Disabled = !AlertLevelSelectable;
+
+        }
+
+        protected override void FrameUpdate(FrameEventArgs args)
+        {
+            base.FrameUpdate(args);
+        }
+
+        // The current alert could make levels unselectable, so we need to ensure that the UI reacts properly.
+        // If the current alert is unselectable, the only item in the alerts list will be
+        // the current alert. Otherwise, it will be the list of alerts, with the current alert
+        // selected.
+        public void UpdateAlertLevels(List<string>? alerts, string currentAlert)
+        {
+            AlertLevelButton.Clear();
+
+            if (alerts == null)
+            {
+                var name = currentAlert;
+                if (_loc.TryGetString($"cp14-alert-level-{currentAlert}", out var locName))
+                {
+                    name = locName;
+                }
+                AlertLevelButton.AddItem(name);
+                AlertLevelButton.SetItemMetadata(AlertLevelButton.ItemCount - 1, currentAlert);
+            }
+            else
+            {
+                foreach (var alert in alerts)
+                {
+                    var name = alert;
+                    if (_loc.TryGetString($"cp14-alert-level-{alert}", out var locName))
+                    {
+                        name = locName;
+                    }
+                    AlertLevelButton.AddItem(name);
+                    AlertLevelButton.SetItemMetadata(AlertLevelButton.ItemCount - 1, alert);
+                    if (alert == currentAlert)
+                    {
+                        AlertLevelButton.Select(AlertLevelButton.ItemCount - 1);
+                    }
+                }
+            }
+        }
+    }
+}