Good artifact effects (#13223)

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

@@ -0,0 +1,26 @@
+using Content.Server.Power.Components;
+using Content.Server.Xenoarchaeology.XenoArtifacts.Effects.Components;
+using Content.Server.Xenoarchaeology.XenoArtifacts.Events;
+
+namespace Content.Server.Xenoarchaeology.XenoArtifacts.Effects.Systems;
+
+/// <summary>
+/// This handles <see cref="ChargeBatteryArtifactComponent"/>
+/// </summary>
+public sealed class ChargeBatteryArtifactSystem : EntitySystem
+{
+    [Dependency] private readonly EntityLookupSystem _lookup = default!;
+    /// <inheritdoc/>
+    public override void Initialize()
+    {
+        SubscribeLocalEvent<ChargeBatteryArtifactComponent, ArtifactActivatedEvent>(OnActivated);
+    }
+
+    private void OnActivated(EntityUid uid, ChargeBatteryArtifactComponent component, ArtifactActivatedEvent args)
+    {
+        foreach (var battery in _lookup.GetComponentsInRange<BatteryComponent>(Transform(uid).MapPosition, component.Radius))
+        {
+            battery.CurrentCharge = battery.MaxCharge;
+        }
+    }
+}