Move rotate event subscription from NodeContainerComponent to NodeContainerSystem (#2506)

Content.Server/GameObjects/EntitySystems/NodeContainerSystem.cs

@@ -0,0 +1,45 @@
+using System.Linq;
+using Content.Server.GameObjects.Components.NodeContainer;
+using Content.Server.GameObjects.Components.NodeContainer.Nodes;
+using JetBrains.Annotations;
+using Robust.Shared.GameObjects.Components.Transform;
+using Robust.Shared.GameObjects.Systems;
+
+namespace Content.Server.GameObjects.EntitySystems
+{
+    [UsedImplicitly]
+    public class NodeContainerSystem : EntitySystem
+    {
+        public override void Initialize()
+        {
+            base.Initialize();
+
+            SubscribeLocalEvent<RotateEvent>(RotateEvent);
+        }
+
+        public override void Shutdown()
+        {
+            base.Shutdown();
+
+            UnsubscribeLocalEvent<RotateEvent>();
+        }
+
+        private void RotateEvent(RotateEvent ev)
+        {
+            if (!ev.Sender.TryGetComponent(out NodeContainerComponent container))
+            {
+                return;
+            }
+
+            if (ev.NewRotation == ev.OldRotation)
+            {
+                return;
+            }
+
+            foreach (var rotatableNode in container.Nodes.OfType<IRotatableNode>())
+            {
+                rotatableNode.RotateEvent(ev);
+            }
+        }
+    }
+}