修复再不同环境下buffer兼容性问题

packages/core/src/ECS/Scene.ts

@@ -639,9 +639,13 @@ export class Scene implements IScene {
         incremental: IncrementalSnapshot | string | Buffer,
         componentRegistry?: Map<string, any>
     ): void {
-        const snapshot = (typeof incremental === 'string' || Buffer.isBuffer(incremental))
+        const isSerializedData = typeof incremental === 'string' ||
-            ? IncrementalSerializer.deserializeIncremental(incremental)
+            (typeof Buffer !== 'undefined' && Buffer.isBuffer(incremental)) ||
-            : incremental;
+            incremental instanceof Uint8Array;
+
+        const snapshot = isSerializedData
+            ? IncrementalSerializer.deserializeIncremental(incremental as string | Buffer)
+            : incremental as IncrementalSnapshot;
 
         const registry = componentRegistry || ComponentRegistry.getAllComponentNames() as Map<string, any>;
 

packages/core/src/ECS/Serialization/IncrementalSerializer.ts

@@ -687,7 +687,15 @@ export class IncrementalSerializer {
 
         if (typeof data === 'string') {
             // JSON格式：计算UTF-8编码后的字节数
-            return Buffer.byteLength(data, 'utf8');
+            // 使用 Blob 来计算浏览器和 Node.js 环境兼容的字节数
+            if (typeof Blob !== 'undefined') {
+                return new Blob([data]).size;
+            } else if (typeof Buffer !== 'undefined') {
+                return Buffer.byteLength(data, 'utf8');
+            } else {
+                // 回退方案：粗略估算（不精确，但可用）
+                return new TextEncoder().encode(data).length;
+            }
         } else {
             // 二进制格式：直接返回Buffer长度
             return data.length;