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.Battery.cs

@@ -0,0 +1,30 @@
+using Content.Shared.Weapons.Ranged.Components;
+
+namespace Content.Client.Weapons.Ranged.Systems;
+
+public sealed partial class GunSystem
+{
+    protected override void InitializeBattery()
+    {
+        base.InitializeBattery();
+        // Hitscan
+        SubscribeLocalEvent<HitscanBatteryAmmoProviderComponent, AmmoCounterControlEvent>(OnControl);
+        SubscribeLocalEvent<HitscanBatteryAmmoProviderComponent, UpdateAmmoCounterEvent>(OnAmmoCountUpdate);
+
+        // Projectile
+        SubscribeLocalEvent<ProjectileBatteryAmmoProviderComponent, AmmoCounterControlEvent>(OnControl);
+        SubscribeLocalEvent<ProjectileBatteryAmmoProviderComponent, UpdateAmmoCounterEvent>(OnAmmoCountUpdate);
+    }
+
+    private void OnAmmoCountUpdate(EntityUid uid, BatteryAmmoProviderComponent component, UpdateAmmoCounterEvent args)
+    {
+        if (args.Control is not BoxesStatusControl boxes) return;
+
+        boxes.Update(component.Shots, component.Capacity);
+    }
+
+    private void OnControl(EntityUid uid, BatteryAmmoProviderComponent component, AmmoCounterControlEvent args)
+    {
+        args.Control = new BoxesStatusControl();
+    }
+}