Re-organize all projects (#4166)

Content.Client/Light/LanternVisualizer.cs

@@ -0,0 +1,52 @@
+using System;
+using JetBrains.Annotations;
+using Robust.Client.Animations;
+using Robust.Client.GameObjects;
+using Robust.Shared.Animations;
+using Robust.Shared.GameObjects;
+
+namespace Content.Client.Light
+{
+    [UsedImplicitly]
+    public class LanternVisualizer : AppearanceVisualizer
+    {
+        private readonly Animation _radiatingLightAnimation = new()
+        {
+            Length = TimeSpan.FromSeconds(5),
+            AnimationTracks =
+            {
+                new AnimationTrackComponentProperty
+                {
+                    ComponentType = typeof(PointLightComponent),
+                    InterpolationMode = AnimationInterpolationMode.Linear,
+                    Property = nameof(PointLightComponent.Radius),
+                    KeyFrames =
+                    {
+                        new AnimationTrackProperty.KeyFrame(3.0f, 0),
+                        new AnimationTrackProperty.KeyFrame(2.0f, 1.5f),
+                        new AnimationTrackProperty.KeyFrame(3.0f, 3f)
+                    }
+                }
+            }
+        };
+
+        public override void OnChangeData(AppearanceComponent component)
+        {
+            base.OnChangeData(component);
+            if (component.Deleted)
+            {
+                return;
+            }
+
+            PlayAnimation(component);
+        }
+
+        private void PlayAnimation(AppearanceComponent component)
+        {
+            component.Owner.EnsureComponent(out AnimationPlayerComponent animationPlayer);
+            if (animationPlayer.HasRunningAnimation("radiatingLight")) return;
+            animationPlayer.Play(_radiatingLightAnimation, "radiatingLight");
+            animationPlayer.AnimationCompleted += s => animationPlayer.Play(_radiatingLightAnimation, s);
+        }
+    }
+}