Resolves VaporVisualizer is Obsolete (#13882)

Content.Client/Chemistry/Visualizers/VaporVisualizerSystem.cs

@@ -0,0 +1,62 @@
+using Content.Shared.Vapor;
+using Robust.Client.Animations;
+using Robust.Client.GameObjects;
+
+namespace Content.Client.Chemistry.Visualizers;
+
+/// <summary>
+/// Handles vapor playing the 'being sprayed' animation if necessary.
+/// </summary>
+public sealed class VaporVisualizerSystem : VisualizerSystem<VaporVisualsComponent>
+{
+    public override void Initialize()
+    {
+        base.Initialize();
+        SubscribeLocalEvent<VaporVisualsComponent, ComponentInit>(OnComponentInit);
+    }
+
+    /// <summary>
+    /// Constructs the 'being sprayed' animation for the vapor entity.
+    /// </summary>
+    private void OnComponentInit(EntityUid uid, VaporVisualsComponent comp, ComponentInit args)
+    {
+        comp.VaporFlick = new Animation()
+        {
+            Length = TimeSpan.FromSeconds(comp.AnimationTime),
+            AnimationTracks =
+            {
+                new AnimationTrackSpriteFlick()
+                {
+                    LayerKey = VaporVisualLayers.Base,
+                    KeyFrames =
+                    {
+                        new AnimationTrackSpriteFlick.KeyFrame(comp.AnimationState, 0f)
+                    }
+                }
+            }
+        };
+    }
+
+    /// <summary>
+    /// Ensures that the vapor entity plays its 'being sprayed' animation if necessary.
+    /// </summary>
+    protected override void OnAppearanceChange(EntityUid uid, VaporVisualsComponent comp, ref AppearanceChangeEvent args)
+    {
+        if (AppearanceSystem.TryGetData<Color>(uid, VaporVisuals.Color, out var color, args.Component) && args.Sprite != null)
+        {
+            args.Sprite.Color = color;
+        }
+
+        if ((AppearanceSystem.TryGetData<bool>(uid, VaporVisuals.State, out var state, args.Component) && state) &&
+            TryComp<AnimationPlayerComponent>(uid, out var animPlayer) &&
+           !AnimationSystem.HasRunningAnimation(uid, animPlayer, VaporVisualsComponent.AnimationKey))
+        {
+            AnimationSystem.Play(uid, animPlayer, comp.VaporFlick, VaporVisualsComponent.AnimationKey);
+        }
+    }
+}
+
+public enum VaporVisualLayers : byte
+{
+    Base
+}