Add a component for upgrading power consumption in machines (#11777)

Co-authored-by: 0x6273 <0x40@keemail.me>

Content.Server/Power/Components/UpgradePowerDrawComponent.cs

@@ -0,0 +1,47 @@
+using Content.Shared.Construction.Prototypes;
+using Robust.Shared.Serialization.TypeSerializers.Implementations.Custom.Prototype;
+
+namespace Content.Server.Power.Components;
+
+/// <summary>
+/// This is used for machines whose power draw
+/// can be decreased through machine part upgrades.
+/// </summary>
+[RegisterComponent]
+public sealed class UpgradePowerDrawComponent : Component
+{
+    /// <summary>
+    /// The base power draw of the machine.
+    /// Prioritizes hv/mv draw over lv draw.
+    /// Value is initializezd on map init from <see cref="ApcPowerReceiverComponent"/>
+    /// </summary>
+    [ViewVariables(VVAccess.ReadWrite)]
+    public float BaseLoad;
+
+    /// <summary>
+    /// The machine part that affects the power draw.
+    /// </summary>
+    [DataField("machinePartPowerDraw", customTypeSerializer: typeof(PrototypeIdSerializer<MachinePartPrototype>)), ViewVariables(VVAccess.ReadWrite)]
+    public string MachinePartPowerDraw = "Capacitor";
+
+    /// <summary>
+    /// The multiplier used for scaling the power draw.
+    /// </summary>
+    [DataField("powerDrawMultiplier", required: true), ViewVariables(VVAccess.ReadWrite)]
+    public float PowerDrawMultiplier = 1f;
+
+    /// <summary>
+    /// What type of scaling is being used?
+    /// </summary>
+    [DataField("scaling", required: true), ViewVariables(VVAccess.ReadWrite)]
+    public PowerDrawScalingType Scaling;
+}
+
+/// <summary>
+/// The different types of scaling that are available
+/// </summary>
+public enum PowerDrawScalingType : byte
+{
+    Linear,
+    Exponential
+}