Electrocution. (#4958)

Co-authored-by: Pieter-Jan Briers <pieterjan.briers@gmail.com>

Content.Shared/Electrocution/SharedElectrocutionSystem.cs

@@ -0,0 +1,45 @@
+using Robust.Shared.GameObjects;
+using Robust.Shared.GameStates;
+
+namespace Content.Shared.Electrocution
+{
+    public abstract class SharedElectrocutionSystem : EntitySystem
+    {
+        public override void Initialize()
+        {
+            base.Initialize();
+
+            SubscribeLocalEvent<InsulatedComponent, ElectrocutionAttemptEvent>(OnInsulatedElectrocutionAttempt);
+            SubscribeLocalEvent<InsulatedComponent, ComponentGetState>(OnInsulatedGetState);
+            SubscribeLocalEvent<InsulatedComponent, ComponentHandleState>(OnInsulatedHandleState);
+        }
+
+        public void SetInsulatedSiemensCoefficient(EntityUid uid, float siemensCoefficient, InsulatedComponent? insulated = null)
+        {
+            if (!Resolve(uid, ref insulated))
+                return;
+
+            insulated.SiemensCoefficient = siemensCoefficient;
+            insulated.Dirty();
+        }
+
+        private void OnInsulatedElectrocutionAttempt(EntityUid uid, InsulatedComponent insulated, ElectrocutionAttemptEvent args)
+        {
+            args.SiemensCoefficient *= insulated.SiemensCoefficient;
+        }
+
+        private void OnInsulatedGetState(EntityUid uid, InsulatedComponent insulated, ref ComponentGetState args)
+        {
+            args.State = new InsulatedComponentState(insulated.SiemensCoefficient);
+        }
+
+        private void OnInsulatedHandleState(EntityUid uid, InsulatedComponent insulated, ref ComponentHandleState args)
+        {
+            if (args.Current is not InsulatedComponentState state)
+                return;
+
+            insulated.SiemensCoefficient = state.SiemensCoefficient;
+        }
+
+    }
+}