epic Respiration Rework (#6022)

Content.Shared/Atmos/Atmospherics.cs

@@ -255,11 +255,10 @@ namespace Content.Shared.Atmos
         /// </summary>
         public const float NormalBodyTemperature = 37f;
 
-        public const float HumanNeededOxygen = MolesCellStandard * BreathPercentage * 0.16f;
-
-        public const float HumanProducedOxygen = HumanNeededOxygen * 0.75f;
-
-        public const float HumanProducedCarbonDioxide = HumanNeededOxygen * 0.25f;
+        /// <summary>
+        ///     I hereby decree. This is Arbitrary Suck my Dick
+        /// </summary>
+        public const float BreathMolesToReagentMultiplier = 1144;
 
         #region Pipes
 

Content.Shared/Atmos/Prototypes/GasPrototype.cs

@@ -1,5 +1,7 @@
-using Robust.Shared.Prototypes;
+using Content.Shared.Chemistry.Reagent;
+using Robust.Shared.Prototypes;
 using Robust.Shared.Serialization.Manager.Attributes;
+using Robust.Shared.Serialization.TypeSerializers.Implementations.Custom.Prototype;
 using Robust.Shared.ViewVariables;
 
 namespace Content.Shared.Atmos.Prototypes
@@ -70,6 +72,12 @@ namespace Content.Shared.Atmos.Prototypes
         [DataField("overlayPath")]
         public string OverlayPath { get; } = string.Empty;
 
+        /// <summary>
+        /// The reagent that this gas will turn into when inhaled.
+        /// </summary>
+        [DataField("reagent", customTypeSerializer:typeof(PrototypeIdSerializer<ReagentPrototype>))]
+        public string? Reagent { get; } = default!;
+
         [DataField("color")] public string Color { get; } = string.Empty;
     }
 }