White Cane for Blind People (#16318)

Content.Server/Traits/TraitSystem.cs

@@ -1,4 +1,6 @@
 using Content.Server.GameTicking;
+using Content.Shared.Hands.Components;
+using Content.Shared.Hands.EntitySystems;
 using Content.Shared.Traits;
 using Robust.Shared.Prototypes;
 using Robust.Shared.Serialization.Manager;
@@ -9,6 +11,7 @@ public sealed class TraitSystem : EntitySystem
 {
     [Dependency] private readonly IPrototypeManager _prototypeManager = default!;
     [Dependency] private readonly ISerializationManager _serializationManager = default!;
+    [Dependency] private readonly SharedHandsSystem _sharedHandsSystem = default!;
 
     public override void Initialize()
     {
@@ -41,6 +44,18 @@ public sealed class TraitSystem : EntitySystem
                 comp.Owner = args.Mob;
                 EntityManager.AddComponent(args.Mob, comp);
             }
+
+            // Add item required by the trait
+            if (traitPrototype.TraitGear != null)
+            {
+                if (!TryComp(args.Mob, out HandsComponent? handsComponent))
+                    continue;
+
+                var coords = Transform(args.Mob).Coordinates;
+                var inhandEntity = EntityManager.SpawnEntity(traitPrototype.TraitGear, coords);
+                _sharedHandsSystem.TryPickup(args.Mob, inhandEntity, checkActionBlocker: false,
+                    handsComp: handsComponent);
+            }
         }
     }
 }