68 lines
2.5 KiB
C#
68 lines
2.5 KiB
C#
#nullable enable
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using Cysharp.Threading.Tasks;
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using ShrinkApp;
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using UnityEngine;
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namespace ShrinkContext.AppAdapter
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{
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/// <summary>
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/// ShrinkApp 加载器宿主的自动引导：
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/// hostingMode == ContextLoader 时在 BeforeSceneLoad 创建常驻 GameObject 并启动 ShrinkAppLoaderHost，
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/// 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。
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/// ClassicHost 模式下完全不动——经典路径零行为变化。
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/// </summary>
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public sealed class ShrinkAppLoaderBootstrapper : MonoBehaviour
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{
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private static ShrinkAppLoaderBootstrapper? _instance;
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/// <summary>
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/// Starter/组合包在 SubsystemRegistration 阶段设置的默认装配表。
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/// 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。
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/// </summary>
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public static System.Action<ShrinkAppLoaderHost>? DefaultComposition { get; set; }
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public static ShrinkAppLoaderBootstrapper? Instance => _instance;
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public ShrinkAppLoaderHost Host { get; private set; } = null!;
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[RuntimeInitializeOnLoadMethod(RuntimeInitializeLoadType.BeforeSceneLoad)]
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private static void AutoBootstrap()
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{
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if (ShrinkAppSettings.Instance.hostingMode != ShrinkAppHostingMode.ContextLoader)
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return;
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var gameObject = new GameObject("ShrinkAppLoaderHost");
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DontDestroyOnLoad(gameObject);
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gameObject.AddComponent<ShrinkAppLoaderBootstrapper>();
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}
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private void Awake()
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{
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if (_instance != null && _instance != this)
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{
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Destroy(gameObject);
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return;
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}
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_instance = this;
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Host = new ShrinkAppLoaderHost();
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DefaultComposition?.Invoke(Host);
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var profile = ShrinkAppCompositionProfile.LoadDefault();
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if (profile != null)
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Host.ApplyComposition(profile.ResolveDocument());
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global::ShrinkApp.ShrinkApp.InitializeForExternalHost(Host.Services);
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Host.StartAsync().Forget(ex =>
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{
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Debug.LogException(ex);
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Debug.LogError("[ShrinkApp.LoaderHost] 启动失败: " + ex.Message);
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});
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}
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private void OnDestroy()
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{
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if (_instance == this)
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_instance = null;
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}
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}
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}
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