Pow3r: stage 1 (#4208)

Co-authored-by: 20kdc <asdd2808@gmail.com>

Content.Server/Power/Components/CableComponent.cs

@@ -0,0 +1,59 @@
+#nullable enable
+using System.Threading.Tasks;
+using Content.Server.Stack;
+using Content.Server.Tools.Components;
+using Content.Shared.Interaction;
+using Content.Shared.Tool;
+using Robust.Shared.GameObjects;
+using Robust.Shared.Serialization.Manager.Attributes;
+using Robust.Shared.ViewVariables;
+
+namespace Content.Server.Power.Components
+{
+    /// <summary>
+    ///     Allows the attached entity to be destroyed by a cutting tool, dropping a piece of cable.
+    /// </summary>
+    [RegisterComponent]
+    public class CableComponent : Component, IInteractUsing
+    {
+        public override string Name => "Cable";
+
+        [ViewVariables]
+        [DataField("cableDroppedOnCutPrototype")]
+        private string? _cableDroppedOnCutPrototype = "CableHVStack1";
+
+        /// <summary>
+        ///     Checked by <see cref="CablePlacerComponent"/> to determine if there is
+        ///     already a cable of a type on a tile.
+        /// </summary>
+        [ViewVariables]
+        public CableType CableType => _cableType;
+        [DataField("cableType")]
+        private CableType _cableType = CableType.HighVoltage;
+
+        async Task<bool> IInteractUsing.InteractUsing(InteractUsingEventArgs eventArgs)
+        {
+            if (_cableDroppedOnCutPrototype == null)
+                return false;
+
+            if (!eventArgs.Using.TryGetComponent<ToolComponent>(out var tool)) return false;
+            if (!await tool.UseTool(eventArgs.User, Owner, 0.25f, ToolQuality.Cutting)) return false;
+
+            Owner.Delete();
+            var droppedEnt = Owner.EntityManager.SpawnEntity(_cableDroppedOnCutPrototype, eventArgs.ClickLocation);
+
+            // TODO: Literally just use a prototype that has a single thing in the stack, it's not that complicated...
+            if (droppedEnt.TryGetComponent<StackComponent>(out var stack))
+                EntitySystem.Get<StackSystem>().SetCount(droppedEnt.Uid, stack, 1);
+
+            return true;
+        }
+    }
+
+    public enum CableType
+    {
+        HighVoltage,
+        MediumVoltage,
+        Apc,
+    }
+}