Add pipe coloring (#4261)

Content.Client/Atmos/Visualizers/PipeColorVisualizer.cs

@@ -0,0 +1,30 @@
+using Content.Shared.Atmos.Piping;
+using JetBrains.Annotations;
+using Robust.Client.GameObjects;
+using Robust.Shared.GameObjects;
+using Robust.Shared.Maths;
+
+namespace Content.Client.Atmos.Visualizers
+{
+    [UsedImplicitly]
+    public class PipeColorVisualizer : AppearanceVisualizer
+    {
+        public override void OnChangeData(AppearanceComponent component)
+        {
+            base.OnChangeData(component);
+
+            if (!component.Owner.TryGetComponent(out SpriteComponent? sprite))
+                return;
+
+            if (component.TryGetData(PipeColorVisuals.Color, out Color color))
+            {
+                sprite.LayerSetColor(Layers.Pipe, color);
+            }
+        }
+
+        public enum Layers : byte
+        {
+            Pipe,
+        }
+    }
+}