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Runtime/Engine/Code/Foundation/EntryPoint.cs

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+using System.Threading;
+using Cysharp.Threading.Tasks;
+using UnityEngine;
+using UnityEngine.SceneManagement;
+
+namespace RebootKit.Engine.Foundation {
+    public static class EntryPoint {
+        private static readonly Logger _logger = new(nameof(EntryPoint));
+
+        private static CancellationTokenSource _cancellationTokenSource;
+
+        [RuntimeInitializeOnLoadMethod(RuntimeInitializeLoadType.AfterSceneLoad)]
+        public static void Start() {
+            if (_cancellationTokenSource != null) {
+                _cancellationTokenSource.Cancel();
+            }
+
+            RR.Shared = null;
+            ServicesLocator.Shared.UnRegisterAll();
+
+            _cancellationTokenSource = new CancellationTokenSource();
+            SceneManager.LoadScene(0, LoadSceneMode.Single);
+
+            RunAsync(_cancellationTokenSource.Token).Forget();
+
+#if UNITY_EDITOR
+            static void OnPlayerModeState(UnityEditor.PlayModeStateChange state) {
+                if (state == UnityEditor.PlayModeStateChange.ExitingPlayMode) {
+                    _cancellationTokenSource.Cancel();
+                }
+            }
+
+            UnityEditor.EditorApplication.playModeStateChanged -= OnPlayerModeState;
+            UnityEditor.EditorApplication.playModeStateChanged += OnPlayerModeState;
+#endif
+        }
+
+        public static async UniTask RunAsync(CancellationToken cancellationToken) {
+            using RR instance = new RR();
+
+            RR.Shared = instance;
+            
+            _logger.Debug("running");
+
+            await instance.Init(cancellationToken);
+            await instance.Run(cancellationToken);
+            
+            _logger.Debug("stopped");
+        }
+    }
+}