Power Rework (#863)

Co-authored-by: py01 <pyronetics01@gmail.com>

Content.Server/GameObjects/Components/NodeContainer/NodeGroups/BaseNetConnectorNodeGroup.cs

@@ -0,0 +1,36 @@
+using Content.Server.GameObjects.Components.Power;
+using Content.Server.GameObjects.Components.NodeContainer.Nodes;
+using System.Collections.Generic;
+using System.Linq;
+
+namespace Content.Server.GameObjects.Components.NodeContainer.NodeGroups
+{
+    public abstract class BaseNetConnectorNodeGroup<TNetConnector, TNetType> : BaseNodeGroup where TNetConnector : BaseNetConnectorComponent<TNetType>
+    {
+        private readonly Dictionary<Node, List<TNetConnector>> _netConnectorComponents = new Dictionary<Node, List<TNetConnector>>();
+
+        protected override void OnAddNode(Node node)
+        {
+            var newNetConnectorComponents = node.Owner
+                .GetAllComponents<TNetConnector>()
+                .Where(powerComp => (NodeGroupID) powerComp.Voltage == node.NodeGroupID)
+                .ToList();
+            _netConnectorComponents.Add(node, newNetConnectorComponents);
+            foreach (var netConnectorComponent in newNetConnectorComponents)
+            {
+                SetNetConnectorNet(netConnectorComponent);
+            }
+        }
+
+        protected abstract void SetNetConnectorNet(TNetConnector netConnectorComponent);
+
+        protected override void OnRemoveNode(Node node)
+        {
+            foreach (var netConnectorComponent in _netConnectorComponents[node])
+            {
+                netConnectorComponent.ClearNet();
+            }
+            _netConnectorComponents.Remove(node);
+        }
+    }
+}