Portable scrubbers (#9417)

Content.Server/Atmos/Portable/PortableScrubberComponent.cs

@@ -0,0 +1,48 @@
+using Content.Shared.Atmos;
+
+namespace Content.Server.Atmos.Portable
+{
+    [RegisterComponent]
+    public sealed class PortableScrubberComponent : Component
+    {
+        /// <summary>
+        /// The air inside this machine.
+        /// </summary>
+        [ViewVariables(VVAccess.ReadWrite)]
+        [DataField("gasMixture")]
+        public GasMixture Air { get; } = new();
+
+        [ViewVariables(VVAccess.ReadWrite)]
+        [DataField("port")]
+        public string PortName { get; set; } = "port";
+
+        /// <summary>
+        /// Which gases this machine will scrub out.
+        /// Unlike fixed scrubbers controlled by an air alarm,
+        /// this can't be changed in game.
+        /// </summary>
+        [DataField("filterGases")]
+        public HashSet<Gas> FilterGases = new()
+        {
+            Gas.CarbonDioxide,
+            Gas.Plasma,
+            Gas.Tritium,
+            Gas.WaterVapor,
+            Gas.Miasma
+        };
+
+        /// <summary>
+        /// Can this scrubber hold more gas?
+        /// </summary>
+        public bool Full => Air.Pressure >= MaxPressure;
+
+        /// <summary>
+        /// Maximum internal pressure before it refuses to take more.
+        /// </summary>
+        [DataField("maxPressure")]
+        public float MaxPressure = 3000f;
+        [DataField("transferRate")]
+        public float TransferRate = 1000f;
+        public bool Enabled = true;
+    }
+}