Delivery random multipliers (#36918)

* init

* review

* init

* teehee

Content.Shared/Delivery/DeliveryRandomMultiplierComponent.cs

@@ -0,0 +1,32 @@
+using Robust.Shared.GameStates;
+
+namespace Content.Shared.Delivery;
+
+/// <summary>
+/// Component given to deliveries.
+/// Applies a random multiplier to the delivery on init.
+/// Added additively to the total multiplier.
+/// </summary>
+[RegisterComponent, NetworkedComponent, AutoGenerateComponentState]
+[Access(typeof(DeliveryModifierSystem))]
+public sealed partial class DeliveryRandomMultiplierComponent : Component
+{
+    /// <summary>
+    /// The highest the random multiplier can go.
+    /// </summary>
+    [DataField]
+    public float MaxMultiplierOffset = 0.2f;
+
+    /// <summary>
+    /// The lowest the random multiplier can go.
+    /// </summary>
+    [DataField]
+    public float MinMultiplierOffset = -0.2f;
+
+    /// <summary>
+    /// The current multiplier this component provides.
+    /// Gets randomized between MaxMultiplierOffset and MinMultiplierOffset on MapInit.
+    /// </summary>
+    [DataField, AutoNetworkedField]
+    public float CurrentMultiplierOffset;
+}