Gun refactor (#8301)

Co-authored-by: Kara <lunarautomaton6@gmail.com>
Co-authored-by: T-Stalker <le0nel_1van@hotmail.com>
Co-authored-by: T-Stalker <43253663+DogZeroX@users.noreply.github.com>
Co-authored-by: ElectroJr <leonsfriedrich@gmail.com>
Co-authored-by: metalgearsloth <metalgearsloth@gmail.com>

Content.Client/Weapons/Ranged/Systems/GunSystem.Revolver.cs

@@ -0,0 +1,37 @@
+using Content.Shared.Weapons.Ranged.Components;
+using Robust.Shared.Containers;
+using Robust.Shared.Utility;
+
+namespace Content.Client.Weapons.Ranged.Systems;
+
+public sealed partial class GunSystem
+{
+    protected override void InitializeRevolver()
+    {
+        base.InitializeRevolver();
+        SubscribeLocalEvent<RevolverAmmoProviderComponent, AmmoCounterControlEvent>(OnRevolverCounter);
+        SubscribeLocalEvent<RevolverAmmoProviderComponent, UpdateAmmoCounterEvent>(OnRevolverAmmoUpdate);
+        SubscribeLocalEvent<RevolverAmmoProviderComponent, EntRemovedFromContainerMessage>(OnRevolverEntRemove);
+    }
+
+    private void OnRevolverEntRemove(EntityUid uid, RevolverAmmoProviderComponent component, EntRemovedFromContainerMessage args)
+    {
+        if (args.Container.ID != RevolverContainer) return;
+
+        // See ChamberMagazineAmmoProvider
+        if (!args.Entity.IsClientSide()) return;
+
+        QueueDel(args.Entity);
+    }
+
+    private void OnRevolverAmmoUpdate(EntityUid uid, RevolverAmmoProviderComponent component, UpdateAmmoCounterEvent args)
+    {
+        if (args.Control is not RevolverStatusControl control) return;
+        control.Update(component.CurrentIndex, component.Chambers);
+    }
+
+    private void OnRevolverCounter(EntityUid uid, RevolverAmmoProviderComponent component, AmmoCounterControlEvent args)
+    {
+        args.Control = new RevolverStatusControl();
+    }
+}