multi-gun nerf (#20194)

Content.Shared/Weapons/Ranged/Systems/SharedGunSystem.Interactions.cs

@@ -1,5 +1,6 @@
 using Content.Shared.Actions;
 using Content.Shared.Examine;
+using Content.Shared.Hands;
 using Content.Shared.Verbs;
 using Content.Shared.Weapons.Ranged.Components;
 using Robust.Shared.Utility;
@@ -103,4 +104,27 @@ public abstract partial class SharedGunSystem
     {
         SelectFire(uid, component, args.Mode, args.Performer);
     }
+
+    private void OnGunSelected(EntityUid uid, GunComponent component, HandSelectedEvent args)
+    {
+        var fireDelay = 1f / component.FireRate;
+        if (fireDelay.Equals(0f))
+            return;
+
+        if (!component.ResetOnHandSelected)
+            return;
+
+        if (Paused(uid))
+            return;
+
+        // If someone swaps to this weapon then reset its cd.
+        var curTime = Timing.CurTime;
+        var minimum = curTime + TimeSpan.FromSeconds(fireDelay);
+
+        if (minimum < component.NextFire)
+            return;
+
+        component.NextFire = minimum;
+        Dirty(uid, component);
+    }
 }