Re-organize all projects (#4166)

Content.Server/NodeContainer/EntitySystems/NodeContainerSystem.cs

@@ -0,0 +1,46 @@
+using Content.Server.NodeContainer.Nodes;
+using JetBrains.Annotations;
+using Robust.Shared.GameObjects;
+
+namespace Content.Server.NodeContainer.EntitySystems
+{
+    [UsedImplicitly]
+    public class NodeContainerSystem : EntitySystem
+    {
+        public override void Initialize()
+        {
+            base.Initialize();
+
+            SubscribeLocalEvent<NodeContainerComponent, PhysicsBodyTypeChangedEvent>(OnBodyTypeChanged);
+            SubscribeLocalEvent<NodeContainerComponent, RotateEvent>(OnRotateEvent);
+        }
+
+        public override void Shutdown()
+        {
+            base.Shutdown();
+
+
+            UnsubscribeLocalEvent<NodeContainerComponent, PhysicsBodyTypeChangedEvent>(OnBodyTypeChanged);
+            UnsubscribeLocalEvent<NodeContainerComponent, RotateEvent>(OnRotateEvent);
+        }
+
+        private void OnBodyTypeChanged(EntityUid uid, NodeContainerComponent component, PhysicsBodyTypeChangedEvent args)
+        {
+            component.AnchorUpdate();
+        }
+
+        private void OnRotateEvent(EntityUid uid, NodeContainerComponent container, RotateEvent ev)
+        {
+            if (ev.NewRotation == ev.OldRotation)
+            {
+                return;
+            }
+
+            foreach (var node in container.Nodes.Values)
+            {
+                if (node is not IRotatableNode rotatableNode) continue;
+                rotatableNode.RotateEvent(ev);
+            }
+        }
+    }
+}