add: try add sprite module. attemp 1

Content.Client/_White/WeaponsModules/WeaponModulesVisuals.cs

@@ -0,0 +1,42 @@
+using Content.Client.Weapons.Ranged.Components;
+using Content.Shared.Rounding;
+using Content.Shared.Weapons.Ranged.Systems;
+using Robust.Client.GameObjects;
+
+namespace Content.Client._White.WeaponsModules;
+
+public sealed partial class WeaponModulesVisuals : EntitySystem
+{
+    private void Initialize()
+    {
+        base.Initialize();
+
+        SubscribeLocalEvent<WeaponModulesVisualsComponent, ComponentInit>(ComponentInit);
+        SubscribeLocalEvent<WeaponModulesVisualsComponent, AppearanceChangeEvent>(onModuleVisualChange);
+    }
+
+    private void ComponentInit(EntityUid uid, WeaponModulesVisualsComponent component, ComponentInit args)
+    {
+        if (!TryComp<SpriteComponent>(uid, out var sprite)) return;
+
+        if (sprite.LayerMapTryGet(ModuleVisualState.Laser, out _))
+        {
+            sprite.LayerSetState(ModuleVisualState.Laser, $"laser");
+            sprite.LayerSetVisible(ModuleVisualState.Laser, false);
+        }
+    }
+
+    private void onModuleVisualChange(EntityUid uid, WeaponModulesVisualsComponent component, ref AppearanceChangeEvent args)
+    {
+        var sprite = args.Sprite;
+
+        if (sprite == null) return;
+
+        if (sprite.LayerMapTryGet(ModuleVisualState.Laser, out _))
+        {
+            sprite.LayerSetVisible(ModuleVisualState.Laser, true);
+            sprite.LayerSetState(ModuleVisualState.Laser, $"laser");
+        }
+    }
+
+}

Content.Client/_White/WeaponsModules/WeaponModulesVisualsComponent.cs

@@ -0,0 +1,15 @@
+using Robust.Shared.GameStates;
+
+namespace Content.Client._White.WeaponsModules;
+
+/// <inheritdoc/>
+[RegisterComponent, Access(typeof(WeaponModulesVisuals))]
+public sealed partial class WeaponModulesVisualsComponent : Component
+{
+    [DataField()] public string? state;
+}
+
+public enum ModuleVisualState : byte
+{
+    Laser
+}