Trigger Refactor (#39034)

Content.Server/Trigger/Systems/AlertLevelChangeOnTriggerSystem.cs

@@ -0,0 +1,32 @@
+using Content.Server.AlertLevel;
+using Content.Shared.Trigger;
+using Content.Shared.Trigger.Components.Effects;
+using Content.Server.Station.Systems;
+
+namespace Content.Server.Trigger.Systems;
+
+public sealed class AlertLevelChangeOnTriggerSystem : EntitySystem
+{
+    [Dependency] private readonly AlertLevelSystem _alertLevelSystem = default!;
+    [Dependency] private readonly StationSystem _station = default!;
+
+    public override void Initialize()
+    {
+        base.Initialize();
+
+        SubscribeLocalEvent<AlertLevelChangeOnTriggerComponent, TriggerEvent>(OnTrigger);
+    }
+
+    private void OnTrigger(Entity<AlertLevelChangeOnTriggerComponent> ent, ref TriggerEvent args)
+    {
+        if (args.Key != null && !ent.Comp.KeysIn.Contains(args.Key))
+            return;
+
+        var stationUid = _station.GetOwningStation(ent.Owner);
+        if (stationUid == null)
+            return;
+
+        _alertLevelSystem.SetLevel(stationUid.Value, ent.Comp.Level, ent.Comp.PlaySound, ent.Comp.Announce, ent.Comp.Force);
+        args.Handled = true;
+    }
+}