Author a bootstrap scene first approach

Assets/Scripts/Bootstrap/CustomBoot.cs

@@ -1,4 +1,5 @@
-using System.Threading.Tasks;
+using System;
+using System.Threading.Tasks;
 using UnityEngine;
 using UnityEngine.AddressableAssets;
 using UnityEngine.ResourceManagement.AsyncOperations;
@@ -14,9 +15,24 @@ namespace Bootstrap
         /// Current initialisation status
         /// </summary>
         public static bool Initialised { get; private set; }
+        
+        /// <summary>
+        /// Event triggered when boot progress changes
+        /// </summary>
+        public static event Action<float> OnBootProgressChanged;
+        
+        /// <summary>
+        /// Event triggered when boot process completes
+        /// </summary>
+        public static event Action OnBootCompleted;
+        
+        /// <summary>
+        /// Current progress of the boot process (0-1)
+        /// </summary>
+        public static float CurrentProgress { get; private set; }
 
         /// <summary>
-        // Called as soon as the game begins
+        /// Called as soon as the game begins
         /// </summary>
         [RuntimeInitializeOnLoadMethod(RuntimeInitializeLoadType.BeforeSplashScreen)]
         private static void Initialise()
@@ -32,6 +48,9 @@ namespace Bootstrap
         /// </summary>
         public static void PerformInitialisation()
         {
+            //Reset progress
+            CurrentProgress = 0f;
+            
             //In editor, perform initialisation synchronously
             if (Application.isEditor)
             {
@@ -72,6 +91,9 @@ namespace Bootstrap
         {
             await LoadCustomBootSettings();
             Initialised = true;
+            CurrentProgress = 1f;
+            OnBootProgressChanged?.Invoke(1f);
+            OnBootCompleted?.Invoke();
         }
 
         /// <summary>
@@ -81,6 +103,9 @@ namespace Bootstrap
         {
             LoadCustomBootSettingsSync();
             Initialised = true;
+            CurrentProgress = 1f;
+            OnBootProgressChanged?.Invoke(1f);
+            OnBootCompleted?.Invoke();
         }
 
 
@@ -177,5 +202,16 @@ namespace Bootstrap
             result.InitialiseSync();
             return handle;
         }
+
+        /// <summary>
+        /// Updates the current progress value and triggers the progress event
+        /// </summary>
+        /// <param name="progress">Progress value between 0-1</param>
+        internal static void UpdateProgress(float progress)
+        {
+            CurrentProgress = Mathf.Clamp01(progress);
+            OnBootProgressChanged?.Invoke(CurrentProgress);
+            Debug.Log($"[CustomBoot] Progress: {CurrentProgress:P0}");
+        }
     }
 }