Add default Post Process options to Graphics Settings

Source/Engine/Platform/SettingsBase.cs

@@ -8,4 +8,41 @@ namespace FlaxEditor.Content.Settings
     public abstract class SettingsBase
     {
     }
+
+    partial class GraphicsSettings
+    {
+        /// <summary>
+        /// Initializes a new instance of the <see cref="GraphicsSettings"/>.
+        /// </summary>
+        public GraphicsSettings()
+        {
+            // Initialize PostFx settings with default options (C# structs doesn't support it)
+            PostProcessSettings = FlaxEngine.PostProcessSettings.Default;
+        }
+    }
+}
+
+namespace FlaxEngine
+{
+    partial struct PostProcessSettings
+    {
+        private static PostProcessSettings _default;
+
+        /// <summary>
+        /// The default <see cref="PostProcessSettings"/>.
+        /// </summary>
+        public static PostProcessSettings Default
+        {
+            get
+            {
+                if (!_default.AmbientOcclusion.Enabled)
+                {
+                    object obj = _default;
+                    Utils.InitStructure(obj, typeof(PostProcessSettings));
+                    _default = (PostProcessSettings)obj;
+                }
+                return _default;
+            }
+        }
+    }
 }