Revert "Revert "epic Respiration Rework"" (#6527)

Content.Server/Body/Components/LungComponent.cs

@@ -1,7 +1,8 @@
-using System;
+using System.Collections.Generic;
 using Content.Server.Atmos;
 using Content.Server.Body.Systems;
 using Content.Shared.Atmos;
+using Content.Shared.Chemistry.Components;
 using Robust.Shared.Analyzers;
 using Robust.Shared.GameObjects;
 using Robust.Shared.Serialization.Manager.Attributes;
@@ -12,11 +13,6 @@ namespace Content.Server.Body.Components;
 [RegisterComponent, Friend(typeof(LungSystem))]
 public class LungComponent : Component
 {
-    public float AccumulatedFrametime;
-
-    [ViewVariables]
-    public TimeSpan LastGaspPopupTime;
-
     [DataField("air")]
     public GasMixture Air { get; set; } = new()
     {
@@ -24,19 +20,9 @@ public class LungComponent : Component
         Temperature = Atmospherics.NormalBodyTemperature
     };
 
-    [DataField("gaspPopupCooldown")]
-    public TimeSpan GaspPopupCooldown { get; private set; } = TimeSpan.FromSeconds(8);
+    [DataField("validReagentGases", required: true)]
+    public HashSet<Gas> ValidGases = default!;
 
     [ViewVariables]
-    public LungStatus Status { get; set; }
-
-    [DataField("cycleDelay")]
-    public float CycleDelay { get; set; } = 2;
-}
-
-public enum LungStatus
-{
-    None = 0,
-    Inhaling,
-    Exhaling
+    public Solution LungSolution = default!;
 }