Power Rework (#863)

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

Content.Server/GameObjects/Components/NodeContainer/NodeContainerComponent.cs

@@ -0,0 +1,73 @@
+using Content.Server.GameObjects.Components.NodeContainer.NodeGroups;
+using Content.Server.GameObjects.Components.NodeContainer.Nodes;
+using Robust.Shared.GameObjects;
+using Robust.Shared.Interfaces.GameObjects;
+using Robust.Shared.IoC;
+using Robust.Shared.Serialization;
+using Robust.Shared.ViewVariables;
+using System.Collections.Generic;
+
+namespace Content.Server.GameObjects.Components.NodeContainer
+{
+    /// <summary>
+    ///     Creates and maintains a set of <see cref="Node"/>s.
+    /// </summary>
+    [RegisterComponent]
+    public class NodeContainerComponent : Component
+    {
+        public override string Name => "NodeContainer";
+
+        [ViewVariables]
+        public IReadOnlyList<Node> Nodes => _nodes;
+        private List<Node> _nodes = new List<Node>();
+
+#pragma warning disable 649
+        [Dependency] private readonly INodeFactory _nodeFactory;
+#pragma warning restore 649
+
+        /// <summary>
+        ///     A set of <see cref="NodeGroupID"/>s and <see cref="Node"/> implementation names
+        ///     to be created and held in this container.
+        /// </summary>
+        [ViewVariables]
+        private Dictionary<NodeGroupID, List<string>> _nodeTypes;
+
+        public override void ExposeData(ObjectSerializer serializer)
+        {
+            base.ExposeData(serializer);
+            serializer.DataField(ref _nodeTypes, "nodeTypes", new Dictionary<NodeGroupID, List<string>> { });
+        }
+
+        protected override void Startup()
+        {
+            base.Startup();
+            foreach (var nodeType in _nodeTypes)
+            {
+                var nodeGroupID = nodeType.Key;
+                foreach (var nodeName in nodeType.Value)
+                {
+                    _nodes.Add(MakeNewNode(nodeName, nodeGroupID, Owner));
+                }
+            }
+            foreach (var node in _nodes)
+            {
+                node.OnContainerInitialize();
+            }
+        }
+
+        public override void OnRemove()
+        {
+            foreach (var node in _nodes)
+            {
+                node.OnContainerRemove();
+            }
+            _nodes = null;
+            base.OnRemove();
+        }
+
+        private Node MakeNewNode(string nodeName, NodeGroupID groupID, IEntity owner)
+        {
+            return _nodeFactory.MakeNode(nodeName, groupID, owner);
+        }
+    }
+}