Re-organize all projects (#4166)

Content.Server/Power/EntitySystems/BaseChargerSystem.cs

@@ -0,0 +1,19 @@
+#nullable enable
+using Content.Server.Power.Components;
+using JetBrains.Annotations;
+using Robust.Shared.GameObjects;
+
+namespace Content.Server.Power.EntitySystems
+{
+    [UsedImplicitly]
+    internal sealed class BaseChargerSystem : EntitySystem
+    {
+        public override void Update(float frameTime)
+        {
+            foreach (var comp in ComponentManager.EntityQuery<BaseCharger>(true))
+            {
+                comp.OnUpdate(frameTime);
+            }
+        }
+    }
+}

Content.Server/Power/EntitySystems/PowerNetSystem.cs

@@ -0,0 +1,20 @@
+#nullable enable
+using Content.Server.Power.Components;
+using JetBrains.Annotations;
+using Robust.Shared.GameObjects;
+using Robust.Shared.IoC;
+
+namespace Content.Server.Power.EntitySystems
+{
+    [UsedImplicitly]
+    public class PowerNetSystem : EntitySystem
+    {
+        [Dependency] private readonly IPowerNetManager _powerNetManager = default!;
+
+        public override void Update(float frameTime)
+        {
+            base.Update(frameTime);
+            _powerNetManager.Update(frameTime);
+        }
+    }
+}

Content.Server/Power/EntitySystems/PowerReceiverSystem.cs

@@ -0,0 +1,30 @@
+using Content.Server.Power.Components;
+using Robust.Shared.GameObjects;
+
+namespace Content.Server.Power.EntitySystems
+{
+    public sealed class PowerReceiverSystem : EntitySystem
+    {
+        public override void Initialize()
+        {
+            base.Initialize();
+
+            SubscribeLocalEvent<PowerReceiverComponent, PhysicsBodyTypeChangedEvent>(BodyTypeChanged);
+        }
+
+        public override void Shutdown()
+        {
+            base.Shutdown();
+
+            UnsubscribeLocalEvent<PowerReceiverComponent, PhysicsBodyTypeChangedEvent>();
+        }
+
+        private static void BodyTypeChanged(
+            EntityUid uid,
+            PowerReceiverComponent component,
+            PhysicsBodyTypeChangedEvent args)
+        {
+            component.AnchorUpdate();
+        }
+    }
+}