From b494283e9c1dee39a2ff2af8c11f0ca004d1e929 Mon Sep 17 00:00:00 2001
From: yhh <359807859@qq.com>
Date: Tue, 16 Dec 2025 11:55:39 +0800
Subject: [PATCH] =?UTF-8?q?refactor(asset-system-editor):=20=E8=B5=84?=
 =?UTF-8?q?=E4=BA=A7=E5=85=83=E6=95=B0=E6=8D=AE=E6=94=B9=E8=BF=9B?=
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- AssetMetaFile 优化
- 导出调整
---
 packages/asset-system-editor/src/index.ts     |  1 +
 .../src/meta/AssetMetaFile.ts                 | 48 +++++++++++++++++++
 2 files changed, 49 insertions(+)

diff --git a/packages/asset-system-editor/src/index.ts b/packages/asset-system-editor/src/index.ts
index 39898625..24d56846 100644
--- a/packages/asset-system-editor/src/index.ts
+++ b/packages/asset-system-editor/src/index.ts
@@ -18,6 +18,7 @@ export {
     AssetMetaManager,
     type IAssetMeta,
     type IImportSettings,
+    type ISpriteSettings,
     type IMetaFileSystem,
     getMetaFilePath,
     inferAssetType,
diff --git a/packages/asset-system-editor/src/meta/AssetMetaFile.ts b/packages/asset-system-editor/src/meta/AssetMetaFile.ts
index 5556ff96..4fc43b2a 100644
--- a/packages/asset-system-editor/src/meta/AssetMetaFile.ts
+++ b/packages/asset-system-editor/src/meta/AssetMetaFile.ts
@@ -49,6 +49,36 @@ export interface IAssetMeta {
     lastModified?: number;
 }
 
+/**
+ * Sprite settings for textures
+ * 纹理的 Sprite 设置
+ */
+export interface ISpriteSettings {
+    /**
+     * Nine-patch slice border [top, right, bottom, left]
+     * 九宫格切片边距
+     *
+     * Defines the non-stretchable borders for nine-patch rendering.
+     * 定义九宫格渲染时不可拉伸的边框区域。
+     */
+    sliceBorder?: [number, number, number, number];
+
+    /**
+     * Sprite pivot point (0-1 normalized)
+     * Sprite 锚点（0-1 归一化）
+     *
+     * Default is [0.5, 0.5] (center)
+     * 默认为 [0.5, 0.5]（中心）
+     */
+    pivot?: [number, number];
+
+    /**
+     * Pixels per unit for world-space rendering
+     * 世界空间渲染的像素单位比
+     */
+    pixelsPerUnit?: number;
+}
+
 /**
  * Import settings for different asset types
  * 不同资产类型的导入设置
@@ -62,6 +92,9 @@ export interface IImportSettings {
     wrapMode?: 'clamp' | 'repeat' | 'mirror';
     premultiplyAlpha?: boolean;
 
+    // Sprite settings | Sprite 设置
+    spriteSettings?: ISpriteSettings;
+
     // Audio settings | 音频设置
     audioFormat?: 'mp3' | 'ogg' | 'wav';
     sampleRate?: number;
@@ -385,6 +418,21 @@ export class AssetMetaManager {
         }
     }
 
+    /**
+     * Invalidate cache for a specific asset path
+     * 使特定资产路径的缓存失效
+     *
+     * Call this when a .meta file is modified externally.
+     * 当 .meta 文件被外部修改时调用此方法。
+     */
+    invalidateCache(assetPath: string): void {
+        const meta = this._cache.get(assetPath);
+        if (meta) {
+            this._guidToPath.delete(meta.guid);
+            this._cache.delete(assetPath);
+        }
+    }
+
     /**
      * Clear cache
      * 清除缓存