update extension sample

Assets/YooAsset/Samples~/Extension Sample/Runtime/PandelMonitor.meta

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+guid: 67ce0f6fc08b0724d95a9f86697bbde3
+folderAsset: yes
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/YooAsset/Samples~/Extension Sample/Runtime/PandelMonitor/PanelManifest.cs

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+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEngine.U2D;
+
+public class PanelManifest : MonoBehaviour
+{
+	/// <summary>
+	/// 面板自动引用的图集
+	/// </summary>
+	public List<SpriteAtlas> ReferencesAtlas = new List<SpriteAtlas>();
+}

Assets/YooAsset/Samples~/Extension Sample/Runtime/PandelMonitor/PanelManifest.cs.meta

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+fileFormatVersion: 2
+guid: e2537124b11b52a458e01629f6b18f55
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/YooAsset/Samples~/Extension Sample/Runtime/PandelMonitor/PanelMonitor.cs

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+#if UNITY_EDITOR
+using System.IO;
+using UnityEngine;
+using UnityEngine.UI;
+using UnityEngine.U2D;
+
+public static class UIPanelSettings
+{
+    /// <summary>
+    /// 面板文件夹GUID
+    /// </summary>
+    private const string UIPanelDirectoryGUID = "12d33f33f3a55224c9c747d7bffa1c68";
+
+    /// <summary>
+    /// 精灵文件夹GUID
+    /// </summary>
+    private const string UISpriteDirectoryGUID = "935d7f20c085cc141a3daf9cacfabfae";
+
+    /// <summary>
+    /// 图集文件夹GUID
+    /// </summary>
+    private const string UIAtlasDirectoryGUID = "c355c783476322b4cacac98c5e1b46d8";
+
+    public static string GetPanelDirecotry()
+    {
+        string result = UnityEditor.AssetDatabase.GUIDToAssetPath(UIPanelDirectoryGUID);
+        if (string.IsNullOrEmpty(result))
+        {
+            throw new System.Exception($"Can not found panel direcotry : {UIPanelDirectoryGUID}");
+        }
+        return result;
+    }
+    public static string GetSpriteDirecotry()
+    {
+        string result = UnityEditor.AssetDatabase.GUIDToAssetPath(UISpriteDirectoryGUID);
+        if (string.IsNullOrEmpty(result))
+        {
+            throw new System.Exception($"Can not found sprite direcotry : {UISpriteDirectoryGUID}");
+        }
+        return result;
+    }
+    public static string GetAtlasDirecotry()
+    {
+        string result = UnityEditor.AssetDatabase.GUIDToAssetPath(UIAtlasDirectoryGUID);
+        if (string.IsNullOrEmpty(result))
+        {
+            throw new System.Exception($"Can not found atlas direcotry : {UIAtlasDirectoryGUID}");
+        }
+        return result;
+    }
+}
+
+public class UIPanelMonitor : UnityEditor.Editor
+{
+    [UnityEditor.InitializeOnLoadMethod]
+    static void StartInitializeOnLoadMethod()
+    {
+        UnityEditor.SceneManagement.PrefabStage.prefabSaving += OnPrefabSaving;
+    }
+
+    static void OnPrefabSaving(GameObject go)
+    {
+        UnityEditor.SceneManagement.PrefabStage stage = UnityEditor.SceneManagement.PrefabStageUtility.GetCurrentPrefabStage();
+        if (stage != null)
+        {
+            string panelDirectory = UIPanelSettings.GetPanelDirecotry();
+            if (stage.assetPath.StartsWith(panelDirectory))
+            {
+                PanelManifest manifest = go.GetComponent<PanelManifest>();
+                if (manifest == null)
+                    manifest = go.AddComponent<PanelManifest>();
+
+                RefreshPanelManifest(manifest);
+            }
+        }
+    }
+
+    /// <summary>
+    /// 刷新面板清单
+    /// </summary>
+    public static void RefreshPanelManifest(PanelManifest manifest)
+    {
+        manifest.ReferencesAtlas.Clear();
+
+        string spriteDirectory = UIPanelSettings.GetSpriteDirecotry();
+        string altasDirectory = UIPanelSettings.GetAtlasDirecotry();
+
+        // 获取依赖的图集名称
+        Transform root = manifest.transform;
+        Image[] allImage = root.GetComponentsInChildren<Image>(true);
+        for (int i = 0; i < allImage.Length; i++)
+        {
+            Image image = allImage[i];
+            if (image.sprite == null)
+                continue;
+
+            // 文件路径
+            string spriteAssetPath = UnityEditor.AssetDatabase.GetAssetPath(image.sprite);
+
+            // 跳过系统内置资源
+            if (spriteAssetPath.Contains("_builtin_"))
+                continue;
+
+            // 跳过非图集精灵
+            if (spriteAssetPath.StartsWith(spriteDirectory) == false)
+                continue;
+
+            string atlasAssetPath = GetAtlasPath(altasDirectory, spriteAssetPath);
+            SpriteAtlas spriteAtlas = UnityEditor.AssetDatabase.LoadAssetAtPath<SpriteAtlas>(atlasAssetPath);
+            if (spriteAtlas == null)
+            {
+                throw new System.Exception($"Not found SpriteAtlas : {atlasAssetPath}");
+            }
+            else
+            {
+                if (manifest.ReferencesAtlas.Contains(spriteAtlas) == false)
+                    manifest.ReferencesAtlas.Add(spriteAtlas);
+            }
+        }
+    }
+
+    /// <summary>
+    /// 获取精灵所属图集
+    /// </summary>
+    private static string GetAtlasPath(string atlasDirectory, string assetPath)
+    {
+        string directory = Path.GetDirectoryName(assetPath);
+        DirectoryInfo directoryInfo = new DirectoryInfo(directory);
+        string atlasName = directoryInfo.Name;
+        return $"{atlasDirectory}/{atlasName}.spriteatlas";
+    }
+}
+#endif

Assets/YooAsset/Samples~/Extension Sample/Runtime/PandelMonitor/PanelMonitor.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 6bed3b2eaa555ec4e9aaa22a888b504c
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/YooAsset/Samples~/Extension Sample/Runtime/SpriteAtlasLoader.meta

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+fileFormatVersion: 2
+guid: eee88a2a10c99aa49b12a0fbff4084f0
+folderAsset: yes
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/YooAsset/Samples~/Extension Sample/Runtime/SpriteAtlasLoader/SpriteAtlasLoader.cs

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+using System;
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEngine.U2D;
+using YooAsset;
+
+public class SpriteAtlasLoader : MonoBehaviour
+{
+    private Dictionary<string, SpriteAtlas> _loadedAtlas = new Dictionary<string, SpriteAtlas>(1000);
+    private List<AssetHandle> _loadHandles = new List<AssetHandle>(1000);
+
+    public void Awake()
+    {
+        SpriteAtlasManager.atlasRequested += RequestAtlas;
+    }
+    public void OnDestroy()
+    {
+        foreach (var handle in _loadHandles)
+        {
+            handle.Release();
+        }
+    }
+
+    private void RequestAtlas(string atlasName, Action<SpriteAtlas> callback)
+    {
+        if (_loadedAtlas.TryGetValue(atlasName, out var value))
+        {
+            callback.Invoke(value);
+        }
+        else
+        {
+            var package = YooAssets.GetPackage("DefaultPackage");
+            var loadHandle = package.LoadAssetSync<SpriteAtlas>(atlasName);
+            if (loadHandle.Status != EOperationStatus.Succeed)
+            {
+                Debug.LogWarning($"Failed to load sprite atlas : {atlasName} ! {loadHandle.LastError}");
+                return;
+            }
+
+            _loadHandles.Add(loadHandle);
+            callback.Invoke(loadHandle.AssetObject as SpriteAtlas);
+        }
+    }
+}

Assets/YooAsset/Samples~/Extension Sample/Runtime/SpriteAtlasLoader/SpriteAtlasLoader.cs.meta

@@ -0,0 +1,11 @@
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+guid: a506251ccc863fe4182436d24685c181
+MonoImporter:
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+  serializedVersion: 2
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