- Fixed bug in builder when no content files exist

Nerfed.Runtime/Engine.cs

@@ -1,12 +1,17 @@
-using System.Diagnostics;
 using Nerfed.Runtime.Audio;
 using Nerfed.Runtime.Graphics;
 using SDL2;
+using System.Diagnostics;
 
 namespace Nerfed.Runtime;
 
 public static class Engine
 {
+    public static event Action OnInitialize;
+    public static event Action OnUpdate;
+    public static event Action OnRender;
+    public static event Action OnQuit;
+
     public static TimeSpan MaxDeltaTime { get; set; } = TimeSpan.FromMilliseconds(100);
     public static bool VSync { get; set; }
 
@@ -65,11 +70,15 @@ public static class Engine
 
         AudioDevice = new AudioDevice();
 
+        OnInitialize?.Invoke();
+
         while (!quit)
         {
             Tick();
         }
 
+        OnQuit?.Invoke();
+
         GraphicsDevice.UnclaimWindow(MainWindow);
         MainWindow.Dispose();
         GraphicsDevice.Dispose();
@@ -146,6 +155,7 @@ public static class Engine
                 ProcessSDLEvents();
 
                 // Tick game here...
+                OnUpdate?.Invoke();
 
                 AudioDevice.WakeThread();
                 accumulatedUpdateTime -= Timestep;
@@ -154,6 +164,7 @@ public static class Engine
             double alpha = accumulatedUpdateTime / Timestep;
 
             // Render here..
+            OnRender?.Invoke();
 
             accumulatedDrawTime -= framerateCapTimeSpan;
         }