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/FlyBySoundSystem.cs

@@ -0,0 +1,38 @@
+using Content.Client.Projectiles;
+using Content.Shared.Weapons.Ranged.Components;
+using Content.Shared.Weapons.Ranged.Systems;
+using Robust.Client.Player;
+using Robust.Shared.Audio;
+using Robust.Shared.Physics.Dynamics;
+using Robust.Shared.Player;
+using Robust.Shared.Random;
+
+namespace Content.Client.Weapons.Ranged.Systems;
+
+public sealed class FlyBySoundSystem : SharedFlyBySoundSystem
+{
+    [Dependency] private readonly IPlayerManager _player = default!;
+    [Dependency] private readonly IRobustRandom _random = default!;
+
+    public override void Initialize()
+    {
+        base.Initialize();
+        SubscribeLocalEvent<FlyBySoundComponent, StartCollideEvent>(OnCollide);
+    }
+
+    private void OnCollide(EntityUid uid, FlyBySoundComponent component, StartCollideEvent args)
+    {
+        var attachedEnt = _player.LocalPlayer?.ControlledEntity;
+
+        // If it's not our ent or we shot it.
+        if (attachedEnt == null ||
+            args.OtherFixture.Body.Owner != attachedEnt ||
+            TryComp<ProjectileComponent>(args.OurFixture.Body.Owner, out var projectile) &&
+            projectile.Shooter == attachedEnt) return;
+
+        if (args.OurFixture.ID != FlyByFixture ||
+            !_random.Prob(component.Prob)) return;
+
+        SoundSystem.Play(Filter.Local(), component.Sound.GetSound(), uid, component.Sound.Params);
+    }
+}