epic Respiration Rework (#6022)

Content.Server/Chemistry/ReagentEffects/AdjustAlert.cs

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+using System;
+using Content.Shared.Alert;
+using Content.Shared.Chemistry.Reagent;
+using Robust.Shared.GameObjects;
+using Robust.Shared.IoC;
+using Robust.Shared.Serialization.Manager.Attributes;
+using Robust.Shared.Timing;
+
+namespace Content.Server.Chemistry.ReagentEffects;
+
+public class AdjustAlert : ReagentEffect
+{
+    [DataField("alertType", required: true)]
+    public AlertType Type;
+
+    [DataField("clear")]
+    public bool Clear;
+
+    [DataField("cooldown")]
+    public bool Cooldown;
+
+    [DataField("time")]
+    public float Time;
+
+    public override void Effect(ReagentEffectArgs args)
+    {
+        var alertSys = EntitySystem.Get<AlertsSystem>();
+        if (args.EntityManager.HasComponent<AlertsComponent>(args.SolutionEntity))
+        {
+            if (Clear)
+            {
+                alertSys.ClearAlert(args.SolutionEntity, Type);
+            }
+            else
+            {
+                (TimeSpan, TimeSpan)? cooldown = null;
+                if (Cooldown)
+                {
+                    var timing = IoCManager.Resolve<IGameTiming>();
+                    cooldown = (timing.CurTime, timing.CurTime + TimeSpan.FromSeconds(Time));
+                }
+                alertSys.ShowAlert(args.SolutionEntity, Type, cooldown: cooldown);
+            }
+        }
+    }
+}

Content.Server/Chemistry/ReagentEffects/ModifyLungGas.cs

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+using System.Collections.Generic;
+using Content.Server.Body.Components;
+using Content.Shared.Atmos;
+using Content.Shared.Chemistry.Reagent;
+using Robust.Shared.Serialization.Manager.Attributes;
+
+namespace Content.Server.Chemistry.ReagentEffects;
+
+public class ModifyLungGas : ReagentEffect
+{
+    [DataField("ratios", required: true)]
+    private Dictionary<Gas, float> _ratios = default!;
+
+    public override void Effect(ReagentEffectArgs args)
+    {
+        if (args.EntityManager.TryGetComponent<LungComponent>(args.OrganEntity, out var lung))
+        {
+            foreach (var (gas, ratio) in _ratios)
+            {
+                lung.Air.Moles[(int) gas] += (ratio * args.Quantity.Float()) / Atmospherics.BreathMolesToReagentMultiplier;
+            }
+        }
+    }
+}

Content.Server/Chemistry/ReagentEffects/Oxygenate.cs

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+using Content.Server.Body.Components;
+using Content.Server.Body.Systems;
+using Content.Shared.Chemistry.Reagent;
+using Robust.Shared.GameObjects;
+using Robust.Shared.Serialization.Manager.Attributes;
+
+namespace Content.Server.Chemistry.ReagentEffects;
+
+public class Oxygenate : ReagentEffect
+{
+    [DataField("factor")]
+    public float Factor = 1f;
+
+    public override void Effect(ReagentEffectArgs args)
+    {
+        if (args.EntityManager.TryGetComponent<RespiratorComponent>(args.SolutionEntity, out var resp))
+        {
+            var respSys = EntitySystem.Get<RespiratorSystem>();
+            respSys.UpdateSaturation(resp.Owner, args.Quantity.Float() * Factor, resp);
+        }
+    }
+}