riversong code showcase

Source/Riversong/Game/CommonServices/Entities/IEntityCollection.cs

@@ -0,0 +1,24 @@
+using System;
+using System.Collections.Generic;
+
+namespace DanieleMarotta.RiversongCodeShowcase
+{
+    public interface IEntityCollection
+    {
+        T Create<T>() where T : Entity, new();
+
+        void Add(Entity entity);
+
+        Entity Remove(int id);
+
+        bool Exists(int id);
+
+        Entity Get(int id);
+
+        Type GetEntityType(int id);
+
+        public List<Entity> GetInternalEntityList(Type type);
+
+        public IEntityCollectionCallbacks<T> On<T>() where T : Entity;
+    }
+}