Re-organize all projects (#4166)

Content.Client/Spawners/ClientEntitySpawnerComponent.cs

@@ -0,0 +1,49 @@
+#nullable enable
+using System.Collections.Generic;
+using Robust.Shared.GameObjects;
+using Robust.Shared.Serialization.Manager.Attributes;
+
+namespace Content.Client.Spawners
+{
+    /// <summary>
+    ///     Spawns a set of entities on the client only, and removes them when this component is removed.
+    /// </summary>
+    [RegisterComponent]
+    public class ClientEntitySpawnerComponent : Component
+    {
+        public override string Name => "ClientEntitySpawner";
+
+        [DataField("prototypes")] private List<string> _prototypes =  new() { "HVDummyWire" };
+
+        private readonly List<IEntity> _entity = new();
+
+        public override void Initialize()
+        {
+            base.Initialize();
+            SpawnEntities();
+        }
+
+        public override void OnRemove()
+        {
+            RemoveEntities();
+            base.OnRemove();
+        }
+
+        private void SpawnEntities()
+        {
+            foreach (var proto in _prototypes)
+            {
+                var entity = Owner.EntityManager.SpawnEntity(proto, Owner.Transform.Coordinates);
+                _entity.Add(entity);
+            }
+        }
+
+        private void RemoveEntities()
+        {
+            foreach (var entity in _entity)
+            {
+                Owner.EntityManager.DeleteEntity(entity);
+            }
+        }
+    }
+}