From dc98244a08c9aecfa3f315d6cde4bb8d9b05ffe4 Mon Sep 17 00:00:00 2001
From: unanmed <1319491857@qq.com>
Date: Fri, 24 Oct 2025 19:20:51 +0800
Subject: [PATCH] =?UTF-8?q?feat:=20TextureStore=20=E6=A0=B9=E6=8D=AE?=
 =?UTF-8?q?=E5=88=AB=E5=90=8D=E8=8E=B7=E5=8F=96=20id?=
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---
 packages/render-assets/src/store.ts          | 4 ++++
 packages/render-assets/src/streamComposer.ts | 2 +-
 packages/render-assets/src/types.ts          | 6 ++++++
 3 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/packages/render-assets/src/store.ts b/packages/render-assets/src/store.ts
index 125f302..c5c54fe 100644
--- a/packages/render-assets/src/store.ts
+++ b/packages/render-assets/src/store.ts
@@ -99,4 +99,8 @@ export class TextureStore implements ITextureStore {
     aliasOf(identifier: number): string | undefined {
         return this.aliasInvMap.get(identifier);
     }
+
+    identifierOf(alias: string): number | undefined {
+        return this.aliasMap.get(alias);
+    }
 }
diff --git a/packages/render-assets/src/streamComposer.ts b/packages/render-assets/src/streamComposer.ts
index c5143f6..222c5b5 100644
--- a/packages/render-assets/src/streamComposer.ts
+++ b/packages/render-assets/src/streamComposer.ts
@@ -110,7 +110,7 @@ export class TextureMaxRectsStreamComposer
         readonly maxWidth: number,
         readonly maxHeight: number,
         readonly padding: number,
-        options: IOption
+        options?: IOption
     ) {
         this.packer = new MaxRectsPacker<MaxRectsRectangle>(
             this.maxWidth,
diff --git a/packages/render-assets/src/types.ts b/packages/render-assets/src/types.ts
index 773e1d4..e076608 100644
--- a/packages/render-assets/src/types.ts
+++ b/packages/render-assets/src/types.ts
@@ -219,6 +219,12 @@ export interface ITextureStore {
      */
     fromAlias(alias: string): ITexture | null;
 
+    /**
+     * 根据贴图对象别名获取贴图对象 id
+     * @param alias 贴图对象别名
+     */
+    identifierOf(alias: string): number | undefined;
+
     /**
      * 根据贴图对象获取此贴图对象在此控制器中的 id，如果贴图不在此控制器，返回 `undefined`
      * @param texture 贴图对象