Spikes fix reopened (#3203)

* DoAfter, dead and stun check, DragDropOn

* Not ignored anymore

* Copied comment deleted

* Herbert's an ass

* Woops

Co-authored-by: Metal Gear Sloth <metalgearsloth@gmail.com>

Content.Shared/Kitchen/SharedKitchenSpikeComponent.cs

@@ -0,0 +1,42 @@
+#nullable enable
+using Content.Shared.GameObjects.Components.Mobs.State;
+using Content.Shared.Interfaces.GameObjects.Components;
+using Content.Shared.GameObjects.EntitySystems.ActionBlocker;
+using Robust.Shared.GameObjects;
+using Robust.Shared.Serialization;
+using Robust.Shared.ViewVariables;
+
+namespace Content.Shared.GameObjects.Components.Kitchen
+{
+    public abstract class SharedKitchenSpikeComponent : Component, IDragDropOn
+    {
+        public override string Name => "KitchenSpike";
+
+        [ViewVariables]
+        protected float SpikeDelay;
+
+        public override void ExposeData(ObjectSerializer serializer)
+        {
+            base.ExposeData(serializer);
+            serializer.DataField(ref SpikeDelay, "delay", 10.0f);
+        }
+
+        bool IDragDropOn.CanDragDropOn(DragDropEventArgs eventArgs)
+        {
+            if (!eventArgs.Dragged.TryGetComponent<IMobStateComponent>(out var state))
+            {
+                return false;
+            }
+
+            // TODO: Wouldn't we just need the CanMove check?
+            if (state.IsDead() || state.IsCritical() || state.IsIncapacitated() || !ActionBlockerSystem.CanMove(eventArgs.Dragged))
+            {
+                return true;
+            }
+
+            return false;
+        }
+
+        public abstract bool DragDropOn(DragDropEventArgs eventArgs);
+    }
+}