mech nitrogen filtering 2 (#19868)

* target oxygen logic

* filter out nitrogen when low on oxygen

* vvrw and datafield for everything

* :trollface:

* bruh does work

* tagless chicken

* move into atmos, make it not depend on mech

* update mech prototype

---------

Co-authored-by: deltanedas <@deltanedas:kde.org>

Content.Server/Mech/Components/MechAirComponent.cs

@@ -6,7 +6,8 @@ namespace Content.Server.Mech.Components;
 public sealed partial class MechAirComponent : Component
 {
     //TODO: this doesn't support a tank implant for mechs or anything like that
-    [ViewVariables(VVAccess.ReadWrite)]
+    [DataField, ViewVariables(VVAccess.ReadWrite)]
     public GasMixture Air = new (GasMixVolume);
+
     public const float GasMixVolume = 70f;
 }

Content.Server/Mech/Components/MechAirFilterComponent.cs

@@ -1,22 +0,0 @@
-using Content.Shared.Atmos;
-
-namespace Content.Server.Mech.Components;
-
-/// <summary>
-/// This is basically a reverse scrubber for MechAir
-/// </summary>
-[RegisterComponent]
-public sealed partial class MechAirFilterComponent : Component
-{
-    /// <summary>
-    /// Gases that will be filtered out of internal air
-    /// </summary>
-    [DataField("gases", required: true)]
-    public HashSet<Gas> Gases = new();
-
-    /// <summary>
-    /// Target volume to transfer every second.
-    /// </summary>
-    [DataField("transferRate")]
-    public float TransferRate = MechAirComponent.GasMixVolume * 0.1f;
-}

Content.Server/Mech/Components/MechAirIntakeComponent.cs

@@ -1,28 +0,0 @@
-using Content.Shared.Atmos;
-
-namespace Content.Server.Mech.Components;
-
-/// <summary>
-/// This is basically a siphon vent for mech but not using pump vent component because MechAir bad
-/// </summary>
-[RegisterComponent]
-public sealed partial class MechAirIntakeComponent : Component
-{
-    /// <summary>
-    /// Target pressure change for a single atmos tick
-    /// </summary>
-    [DataField("targetPressureChange")]
-    public float TargetPressureChange = 5f;
-
-    /// <summary>
-    /// How strong the intake pump is, it will be able to replenish air from lower pressure areas.
-    /// </summary>
-    [DataField("pumpPower")]
-    public float PumpPower = 2f;
-
-    /// <summary>
-    /// Pressure to intake gases up to, maintains MechAir pressure.
-    /// </summary>
-    [DataField("pressure")]
-    public float Pressure = Atmospherics.OneAtmosphere;
-}