Portable Generator Rework (#19302)

Content.Server/Power/Generator/GeneratorExhaustGasSystem.cs

@@ -0,0 +1,28 @@
+using Content.Server.Atmos;
+using Content.Server.Atmos.EntitySystems;
+using Content.Shared.Power.Generator;
+
+namespace Content.Server.Power.Generator;
+
+/// <seealso cref="GeneratorSystem"/>
+/// <seealso cref="GeneratorExhaustGasComponent"/>
+public sealed class GeneratorExhaustGasSystem : EntitySystem
+{
+    [Dependency] private readonly AtmosphereSystem _atmosphere = default!;
+
+    public override void Initialize()
+    {
+        SubscribeLocalEvent<GeneratorExhaustGasComponent, GeneratorUseFuel>(FuelUsed);
+    }
+
+    private void FuelUsed(EntityUid uid, GeneratorExhaustGasComponent component, GeneratorUseFuel args)
+    {
+        var exhaustMixture = new GasMixture();
+        exhaustMixture.SetMoles(component.GasType, args.FuelUsed * component.MoleRatio);
+        exhaustMixture.Temperature = component.Temperature;
+
+        var environment = _atmosphere.GetContainingMixture(uid, false, true);
+        if (environment != null)
+            _atmosphere.Merge(environment, exhaustMixture);
+    }
+}