Changes to "Burst" firemode; Drozd, WT550 and C20-r (#31292)

* Initial commit

* Change burst fire variable to be a set value rather than a multiplier

Content.Server/Weapons/Ranged/Systems/GunSystem.AutoFire.cs

@@ -1,4 +1,6 @@
+using Content.Shared.Damage;
 using Content.Shared.Weapons.Ranged.Components;
+using Robust.Shared.Map;
 
 namespace Content.Server.Weapons.Ranged.Systems;
 
@@ -13,17 +15,28 @@ public sealed partial class GunSystem
          */
 
         // Automatic firing without stopping if the AutoShootGunComponent component is exist and enabled
-        var query = EntityQueryEnumerator<AutoShootGunComponent, GunComponent>();
+        var query = EntityQueryEnumerator<GunComponent>();
 
-        while (query.MoveNext(out var uid, out var autoShoot, out var gun))
+        while (query.MoveNext(out var uid, out var gun))
         {
-            if (!autoShoot.Enabled)
-                continue;
-
             if (gun.NextFire > Timing.CurTime)
                 continue;
 
-            AttemptShoot(uid, gun);
+            if (TryComp(uid, out AutoShootGunComponent? autoShoot))
+            {
+                if (!autoShoot.Enabled)
+                    continue;
+
+                AttemptShoot(uid, gun);
+            }
+            else if (gun.BurstActivated)
+            {
+                var parent = _transform.GetParentUid(uid);
+                if (HasComp<DamageableComponent>(parent))
+                    AttemptShoot(parent, uid, gun, gun.ShootCoordinates ?? new EntityCoordinates(uid, gun.DefaultDirection));
+                else
+                    AttemptShoot(uid, gun);
+            }
         }
     }
 }