Remove component.Startup calls (#18229)

Content.Client/Light/EntitySystems/LightBehaviorSystem.cs

@@ -0,0 +1,55 @@
+using System.Linq;
+using Content.Client.Light.Components;
+using Robust.Client.GameObjects;
+using Robust.Shared.Random;
+
+namespace Content.Client.Light.EntitySystems;
+
+public sealed class LightBehaviorSystem : EntitySystem
+{
+    [Dependency] private readonly IRobustRandom _random = default!;
+    [Dependency] private readonly AnimationPlayerSystem _player = default!;
+
+    public override void Initialize()
+    {
+        base.Initialize();
+        SubscribeLocalEvent<LightBehaviourComponent, ComponentStartup>(OnLightStartup);
+        SubscribeLocalEvent<LightBehaviourComponent, AnimationCompletedEvent>(OnBehaviorAnimationCompleted);
+    }
+
+    private void OnBehaviorAnimationCompleted(EntityUid uid, LightBehaviourComponent component, AnimationCompletedEvent args)
+    {
+        var container = component.Animations.FirstOrDefault(x => x.FullKey == args.Key);
+
+        if (container == null)
+        {
+            return;
+        }
+
+        if (container.LightBehaviour.IsLooped)
+        {
+            container.LightBehaviour.UpdatePlaybackValues(container.Animation);
+            _player.Play(uid, container.Animation, container.FullKey);
+        }
+    }
+
+    private void OnLightStartup(EntityUid uid, LightBehaviourComponent component, ComponentStartup args)
+    {
+        // TODO: Do NOT ensure component here. And use eventbus events instead...
+        EnsureComp<AnimationPlayerComponent>(uid);
+
+        foreach (var container in component.Animations)
+        {
+            container.LightBehaviour.Initialize(uid, _random, EntityManager);
+        }
+
+        // we need to initialize all behaviours before starting any
+        foreach (var container in component.Animations)
+        {
+            if (container.LightBehaviour.Enabled)
+            {
+                component.StartLightBehaviour(container.LightBehaviour.ID);
+            }
+        }
+    }
+}