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.Shared/Weapons/Ranged/Components/GunComponent.cs

@@ -1,3 +1,4 @@
+using System.Numerics;
 using Content.Shared.Weapons.Ranged.Events;
 using Content.Shared.Weapons.Ranged.Systems;
 using Robust.Shared.Audio;
@@ -156,6 +157,30 @@ public sealed partial class GunComponent : Component
     [AutoNetworkedField, ViewVariables(VVAccess.ReadWrite)]
     public int ShotsPerBurstModified = 3;
 
+    /// <summary>
+    /// How long time must pass between burstfire shots.
+    /// </summary>
+    [DataField, AutoNetworkedField]
+    public float BurstCooldown = 0.25f;
+
+    /// <summary>
+    /// The fire rate of the weapon in burst fire mode.
+    /// </summary>
+    [DataField, AutoNetworkedField]
+    public float BurstFireRate = 8f;
+
+    /// <summary>
+    /// Whether the burst fire mode has been activated.
+    /// </summary>
+    [AutoNetworkedField, ViewVariables(VVAccess.ReadWrite)]
+    public bool BurstActivated = false;
+
+    /// <summary>
+    /// The burst fire bullet count.
+    /// </summary>
+    [AutoNetworkedField, ViewVariables(VVAccess.ReadWrite)]
+    public int BurstShotsCount = 0;
+
     /// <summary>
     /// Used for tracking semi-auto / burst
     /// </summary>
@@ -232,6 +257,12 @@ public sealed partial class GunComponent : Component
     /// </summary>
     [DataField]
     public bool ClumsyProof = false;
+
+    /// <summary>
+    /// Firing direction for an item not being held (e.g. shuttle cannons, thrown guns still firing).
+    /// </summary>
+    [DataField]
+    public Vector2 DefaultDirection = new Vector2(0, -1);
 }
 
 [Flags]