Advanced Mop is now More Advanced + SolutionPurge Component (#15532)

Co-authored-by: Arimah <arimah42@gmail.com>

Content.Server/Chemistry/Components/SolutionPurgeComponent.cs

@@ -0,0 +1,46 @@
+using Content.Server.Chemistry.EntitySystems;
+using Content.Shared.Chemistry.Reagent;
+using Content.Shared.FixedPoint;
+using Robust.Shared.Serialization.TypeSerializers.Implementations.Custom;
+using Robust.Shared.Serialization.TypeSerializers.Implementations.Custom.Prototype.List;
+
+namespace Content.Server.Chemistry.Components;
+
+/// <summary>
+/// Passively decreases a solution's quantity of reagent(s).
+/// </summary>
+[RegisterComponent]
+[Access(typeof(SolutionPurgeSystem))]
+public sealed class SolutionPurgeComponent : Component
+{
+    /// <summary>
+    /// The name of the solution to detract from.
+    /// </summary>
+    [DataField("solution", required: true), ViewVariables(VVAccess.ReadWrite)]
+    public string Solution = string.Empty;
+
+    /// <summary>
+    /// The reagent(s) to be ignored when purging the solution
+    /// </summary>
+    [DataField("preserve", customTypeSerializer: typeof(PrototypeIdListSerializer<ReagentPrototype>))]
+    [ViewVariables(VVAccess.ReadWrite)]
+    public List<string> Preserve = new();
+
+    /// <summary>
+    /// Amount of reagent(s) that are purged
+    /// </summary>
+    [DataField("quantity", required: true), ViewVariables(VVAccess.ReadWrite)]
+    public FixedPoint2 Quantity = default!;
+
+    /// <summary>
+    /// How long it takes to purge once.
+    /// </summary>
+    [DataField("duration"), ViewVariables(VVAccess.ReadWrite)]
+    public TimeSpan Duration = TimeSpan.FromSeconds(1);
+
+    /// <summary>
+    /// The time when the next purge will occur.
+    /// </summary>
+    [DataField("nextPurgeTime", customTypeSerializer: typeof(TimeOffsetSerializer)), ViewVariables(VVAccess.ReadWrite)]
+    public TimeSpan NextPurgeTime = TimeSpan.FromSeconds(0);
+}