feat: parameterless Event type

Engine.Core/Helpers/Event.cs

@@ -3,6 +3,27 @@ using System.Collections.Generic;
 
 namespace Syntriax.Engine.Core;
 
+public class Event
+{
+    private readonly List<EventHandler> listeners = new(8);
+
+    public void AddListener(EventHandler listener) => listeners.Add(listener);
+    public void RemoveListener(EventHandler listener) => listeners.Remove(listener);
+    public void Clear() => listeners.Clear();
+    public void Invoke()
+    {
+        for (int i = 0; i < listeners.Count; i++)
+            try { listeners[i].Invoke(); }
+            catch (Exception exception)
+            {
+                string methodCallRepresentation = $"{listeners[i].Method.DeclaringType?.FullName}.{listeners[i].Method.Name}()";
+                Console.WriteLine($"Unexpected exception on invocation of method {methodCallRepresentation}:{Environment.NewLine}{exception.InnerException}");
+            }
+    }
+
+    public delegate void EventHandler();
+}
+
 public class Event<TSender>
 {
     private readonly List<EventHandler> listeners = new(8);