chore: initialize standalone UPM package

2026-08-26 02:49:53 +08:00
commit 2e8cc588c4
43 changed files with 2390 additions and 0 deletions
@@ -0,0 +1,67 @@
+#nullable enable
+using Cysharp.Threading.Tasks;
+using ShrinkApp;
+using UnityEngine;
+
+namespace ShrinkContext.AppAdapter
+{
+    /// <summary>
+    /// ShrinkApp 加载器宿主的自动引导：
+    /// hostingMode == ContextLoader 时在 BeforeSceneLoad 创建常驻 GameObject 并启动 ShrinkAppLoaderHost，
+    /// 同时把服务容器接回 ShrinkApp 静态入口（InitializeForExternalHost），保证场景脚本照常访问 ShrinkApp.Services。
+    /// ClassicHost 模式下完全不动——经典路径零行为变化。
+    /// </summary>
+    public sealed class ShrinkAppLoaderBootstrapper : MonoBehaviour
+    {
+        private static ShrinkAppLoaderBootstrapper? _instance;
+
+        /// <summary>
+        /// Starter/组合包在 SubsystemRegistration 阶段设置的默认装配表。
+        /// AppAdapter 保持不依赖具体业务模块，组合根负责注册原生组件；若兼容 installer 已被发现则覆盖同 id。
+        /// </summary>
+        public static System.Action<ShrinkAppLoaderHost>? DefaultComposition { get; set; }
+
+        public static ShrinkAppLoaderBootstrapper? Instance => _instance;
+
+        public ShrinkAppLoaderHost Host { get; private set; } = null!;
+
+        [RuntimeInitializeOnLoadMethod(RuntimeInitializeLoadType.BeforeSceneLoad)]
+        private static void AutoBootstrap()
+        {
+            if (ShrinkAppSettings.Instance.hostingMode != ShrinkAppHostingMode.ContextLoader)
+                return;
+
+            var gameObject = new GameObject("ShrinkAppLoaderHost");
+            DontDestroyOnLoad(gameObject);
+            gameObject.AddComponent<ShrinkAppLoaderBootstrapper>();
+        }
+
+        private void Awake()
+        {
+            if (_instance != null && _instance != this)
+            {
+                Destroy(gameObject);
+                return;
+            }
+
+            _instance = this;
+            Host = new ShrinkAppLoaderHost();
+            DefaultComposition?.Invoke(Host);
+            var profile = ShrinkAppCompositionProfile.LoadDefault();
+            if (profile != null)
+                Host.ApplyComposition(profile.ResolveDocument());
+            global::ShrinkApp.ShrinkApp.InitializeForExternalHost(Host.Services);
+            Host.StartAsync().Forget(ex =>
+            {
+                Debug.LogException(ex);
+                Debug.LogError("[ShrinkApp.LoaderHost] 启动失败: " + ex.Message);
+            });
+        }
+
+        private void OnDestroy()
+        {
+            if (_instance == this)
+                _instance = null;
+        }
+    }
+}