Implanters and Subdermal Implants (#11840)

Co-authored-by: metalgearsloth <31366439+metalgearsloth@users.noreply.github.com>
Co-authored-by: metalgearsloth <comedian_vs_clown@hotmail.com>

Content.Server/Implants/SubdermalImplantSystem.cs

@@ -0,0 +1,58 @@
+using Content.Server.Cuffs.Components;
+using Content.Shared.Implants;
+using Content.Shared.Implants.Components;
+using Content.Shared.MobState;
+using Robust.Shared.Containers;
+
+namespace Content.Server.Implants;
+
+public sealed class SubdermalImplantSystem : SharedSubdermalImplantSystem
+{
+    [Dependency] private readonly SharedContainerSystem _container = default!;
+
+    public override void Initialize()
+    {
+        base.Initialize();
+
+        SubscribeLocalEvent<SubdermalImplantComponent, UseFreedomImplantEvent>(OnFreedomImplant);
+
+        SubscribeLocalEvent<ImplantedComponent, MobStateChangedEvent>(RelayToImplantEvent);
+    }
+
+    private void OnFreedomImplant(EntityUid uid, SubdermalImplantComponent component, UseFreedomImplantEvent args)
+    {
+        if (!TryComp<CuffableComponent>(component.ImplantedEntity, out var cuffs) || cuffs.Container.ContainedEntities.Count < 1)
+            return;
+
+        if (TryComp<HandcuffComponent>(cuffs.LastAddedCuffs, out var cuff))
+        {
+            cuffs.Uncuff(component.ImplantedEntity.Value, cuffs.LastAddedCuffs, cuff, true);
+        }
+    }
+
+    #region Relays
+
+
+    //Relays from the implanted to the implant
+    private void RelayToImplantEvent<T>(EntityUid uid, ImplantedComponent component, T args) where T : EntityEventArgs
+    {
+        if (!_container.TryGetContainer(uid, ImplanterComponent.ImplantSlotId, out var implantContainer))
+            return;
+
+        foreach (var implant in implantContainer.ContainedEntities)
+        {
+            RaiseLocalEvent(implant, args);
+        }
+    }
+
+    //Relays from the implant to the implanted
+    private void RelayToImplantedEvent<T>(EntityUid uid, SubdermalImplantComponent component, T args) where T : EntityEventArgs
+    {
+        if (component.ImplantedEntity != null)
+        {
+            RaiseLocalEvent(component.ImplantedEntity.Value, args);
+        }
+    }
+
+    #endregion
+}