Re-organize all projects (#4166)

Content.Server/MachineLinking/Components/SignalTwoWayLeverComponent.cs

@@ -0,0 +1,64 @@
+#nullable enable
+using Content.Shared.Interaction;
+using Content.Shared.MachineLinking;
+using Content.Shared.Notification;
+using Robust.Server.GameObjects;
+using Robust.Shared.GameObjects;
+using Robust.Shared.Localization;
+
+namespace Content.Server.MachineLinking.Components
+{
+    [RegisterComponent]
+    [ComponentReference(typeof(IActivate))]
+    public class SignalTwoWayLeverComponent : SignalTransmitterComponent, IInteractHand, IActivate
+    {
+        public override string Name => "TwoWayLever";
+
+        private TwoWayLeverSignal _state = TwoWayLeverSignal.Middle;
+
+        private bool _nextForward = true;
+
+        public TwoWayLeverSignal State
+        {
+            get => _state;
+            private set
+            {
+                _state = value;
+
+                if (Owner.TryGetComponent(out AppearanceComponent? appearance))
+                {
+                    appearance.SetData(TwoWayLeverVisuals.State, value);
+                }
+            }
+        }
+
+        private void NextState(IEntity user)
+        {
+            State = State switch
+            {
+                TwoWayLeverSignal.Left => TwoWayLeverSignal.Middle,
+                TwoWayLeverSignal.Middle => _nextForward ? TwoWayLeverSignal.Right : TwoWayLeverSignal.Left,
+                TwoWayLeverSignal.Right => TwoWayLeverSignal.Middle,
+                _ => TwoWayLeverSignal.Middle
+            };
+
+            if (State == TwoWayLeverSignal.Left || State == TwoWayLeverSignal.Right) _nextForward = !_nextForward;
+
+            if (!TransmitSignal(State))
+            {
+                Owner.PopupMessage(user, Loc.GetString("No receivers connected."));
+            }
+        }
+
+        bool IInteractHand.InteractHand(InteractHandEventArgs eventArgs)
+        {
+            NextState(eventArgs.User);
+            return true;
+        }
+
+        void IActivate.Activate(ActivateEventArgs eventArgs)
+        {
+            NextState(eventArgs.User);
+        }
+    }
+}