Electrocution. (#4958)

Co-authored-by: Pieter-Jan Briers <pieterjan.briers@gmail.com>

Content.Server/Electrocution/ElectrocutionNode.cs

@@ -0,0 +1,29 @@
+using System.Collections.Generic;
+using Content.Server.NodeContainer;
+using Content.Server.NodeContainer.Nodes;
+using Content.Server.Power.Nodes;
+using Robust.Shared.GameObjects;
+using Robust.Shared.IoC;
+using Robust.Shared.Serialization.Manager.Attributes;
+
+namespace Content.Server.Electrocution
+{
+    [DataDefinition]
+    public sealed class ElectrocutionNode : Node
+    {
+        [DataField("cable")]
+        public EntityUid CableEntity;
+        [DataField("node")]
+        public string NodeName = default!;
+
+        public override IEnumerable<Node> GetReachableNodes()
+        {
+            var ent = IoCManager.Resolve<IEntityManager>();
+            if (!ent.TryGetComponent(CableEntity, out NodeContainerComponent? nodeContainer))
+                yield break;
+
+            if (nodeContainer.TryGetNode(NodeName, out Node? node))
+                yield return node;
+        }
+    }
+}