Add WelderComponent back

Content.Client/GameObjects/Components/Interactable/WelderComponent.cs

@@ -0,0 +1,89 @@
+using System;
+using Content.Client.UserInterface.Stylesheets;
+using Content.Client.Utility;
+using Content.Shared.GameObjects;
+using Content.Shared.GameObjects.Components.Interactable;
+using Robust.Client.UserInterface;
+using Robust.Client.UserInterface.Controls;
+using Robust.Shared.GameObjects;
+using Robust.Shared.Localization;
+using Robust.Shared.Serialization;
+using Robust.Shared.Timing;
+using Robust.Shared.ViewVariables;
+
+namespace Content.Client.GameObjects.Components.Interactable
+{
+    [RegisterComponent]
+    [ComponentReference(typeof(ToolComponent))]
+    public class WelderComponent : ToolComponent, IItemStatus
+    {
+        public override string Name => "Welder";
+        public override uint? NetID => ContentNetIDs.WELDER;
+
+        private Tool _behavior;
+        [ViewVariables(VVAccess.ReadWrite)] private bool _uiUpdateNeeded;
+        [ViewVariables] public float FuelCapacity { get; private set; }
+        [ViewVariables] public float Fuel { get; private set; }
+        [ViewVariables] public bool Activated { get; private set; }
+        [ViewVariables]
+        public override Tool Behavior
+        {
+            get => _behavior;
+            set {}
+        }
+
+        public override void ExposeData(ObjectSerializer serializer)
+        {
+        }
+
+        public override void HandleComponentState(ComponentState curState, ComponentState nextState)
+        {
+            if (!(curState is WelderComponentState weld))
+                return;
+
+            FuelCapacity = weld.FuelCapacity;
+            Fuel = weld.Fuel;
+            Activated = weld.Activated;
+            _behavior = weld.Behavior;
+            _uiUpdateNeeded = true;
+        }
+
+        public Control MakeControl() => new StatusControl(this);
+
+        private sealed class StatusControl : Control
+        {
+            private readonly WelderComponent _parent;
+            private readonly RichTextLabel _label;
+
+            public StatusControl(WelderComponent parent)
+            {
+                _parent = parent;
+                _label = new RichTextLabel {StyleClasses = {StyleNano.StyleClassItemStatus}};
+                AddChild(_label);
+
+                parent._uiUpdateNeeded = true;
+            }
+
+            protected override void Update(FrameEventArgs args)
+            {
+                base.Update(args);
+
+                if (!_parent._uiUpdateNeeded)
+                {
+                    return;
+                }
+
+                _parent._uiUpdateNeeded = false;
+
+                if (_parent.Behavior == Tool.Welder)
+                {
+                    var fuelCap = _parent.FuelCapacity;
+                    var fuel = _parent.Fuel;
+
+                    _label.SetMarkup(Loc.GetString("Fuel: [color={0}]{1}/{2}[/color]",
+                        fuel < fuelCap / 4f ? "darkorange" : "orange", Math.Round(fuel), fuelCap));
+                }
+            }
+        }
+    }
+}