More xeno artifacts effects (#6282)

Content.Server/Xenoarchaeology/XenoArtifacts/Effects/Systems/TemperatureArtifactSystem.cs

@@ -0,0 +1,36 @@
+using System;
+using Content.Server.Atmos.EntitySystems;
+using Content.Server.Xenoarchaeology.XenoArtifacts.Effects.Components;
+using Content.Server.Xenoarchaeology.XenoArtifacts.Events;
+using Robust.Shared.GameObjects;
+using Robust.Shared.IoC;
+
+namespace Content.Server.Xenoarchaeology.XenoArtifacts.Effects.Systems;
+
+public class TemperatureArtifactSystem : EntitySystem
+{
+    [Dependency] private readonly AtmosphereSystem _atmosphereSystem = default!;
+
+    public override void Initialize()
+    {
+        base.Initialize();
+        SubscribeLocalEvent<TemperatureArtifactComponent, ArtifactActivatedEvent>(OnActivate);
+    }
+
+    private void OnActivate(EntityUid uid, TemperatureArtifactComponent component, ArtifactActivatedEvent args)
+    {
+        var transform = Transform(uid);
+
+        var environment = _atmosphereSystem.GetTileMixture(transform.Coordinates, true);
+        if (environment == null)
+            return;
+
+        var dif = component.TargetTemperature - environment.Temperature;
+        var absDif = Math.Abs(dif);
+        if (absDif < component.MaxTemperatureDifference)
+            return;
+
+        var step = Math.Min(absDif, component.SpawnTemperature);
+        environment.Temperature += dif > 0 ? step : -step;
+    }
+}