Geiger counter (#12082)

Content.Client/Radiation/UI/GeigerItemControl.cs

@@ -0,0 +1,53 @@
+using Content.Client.Message;
+using Content.Client.Stylesheets;
+using Content.Shared.Radiation.Components;
+using Content.Shared.Radiation.Systems;
+using Robust.Client.UserInterface;
+using Robust.Client.UserInterface.Controls;
+using Robust.Shared.Timing;
+
+namespace Content.Client.Radiation.UI;
+
+public sealed class GeigerItemControl : Control
+{
+    private readonly GeigerComponent _component;
+    private readonly RichTextLabel _label;
+
+    public GeigerItemControl(GeigerComponent component)
+    {
+        _component = component;
+        _label = new RichTextLabel { StyleClasses = { StyleNano.StyleClassItemStatus } };
+        AddChild(_label);
+
+        Update();
+    }
+
+    protected override void FrameUpdate(FrameEventArgs args)
+    {
+        base.FrameUpdate(args);
+
+        if (!_component.UiUpdateNeeded)
+            return;
+        Update();
+    }
+
+    private void Update()
+    {
+        string msg;
+        if (_component.IsEnabled)
+        {
+            var color = SharedGeigerSystem.LevelToColor(_component.DangerLevel);
+            var currentRads = _component.CurrentRadiation;
+            var rads = currentRads.ToString("N1");
+            msg = Loc.GetString("geiger-item-control-status",
+                ("rads", rads), ("color", color));
+        }
+        else
+        {
+            msg = Loc.GetString("geiger-item-control-disabled");
+        }
+
+        _label.SetMarkup(msg);
+        _component.UiUpdateNeeded = false;
+    }
+}