chore: establish development baseline

crates/bat-assetbundle/Cargo.toml

@@ -0,0 +1,22 @@
+[package]
+name = "bat-assetbundle"
+version.workspace = true
+edition.workspace = true
+authors.workspace = true
+license.workspace = true
+
+[dependencies]
+anyhow.workspace = true
+thiserror.workspace = true
+serde.workspace = true
+serde_json.workspace = true
+tracing.workspace = true
+
+# Unity AssetBundle 解析需要的依赖
+byteorder = "1.5"
+lz4 = "1.28"
+# LZMA 解压缩
+lzma-rs = "0.3"
+
+[dev-dependencies]
+hex = "0.4"

crates/bat-assetbundle/src/error.rs

@@ -0,0 +1,26 @@
+//! AssetBundle 错误类型定义
+
+use thiserror::Error;
+
+/// AssetBundle 错误类型
+#[derive(Error, Debug)]
+pub enum AssetBundleError {
+    /// IO 错误
+    #[error("IO error: {0}")]
+    Io(#[from] std::io::Error),
+
+    /// 解析错误
+    #[error("Parse error: {0}")]
+    Parse(String),
+
+    /// 不支持的格式
+    #[error("Unsupported format: {0}")]
+    UnsupportedFormat(String),
+
+    /// 其他错误
+    #[error(transparent)]
+    Other(#[from] anyhow::Error),
+}
+
+/// AssetBundle Result 类型
+pub type Result<T> = std::result::Result<T, AssetBundleError>;

crates/bat-assetbundle/src/lib.rs

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+//! # BAT AssetBundle
+//!
+//! Unity AssetBundle 解析器核心
+//!
+//! 提供插件化的 AssetBundle 解析框架
+
+#![warn(missing_docs)]
+#![warn(clippy::all)]
+
+pub mod error;
+pub mod parser;
+pub mod types;
+
+pub use error::{AssetBundleError, Result};
+
+/// AssetBundle 解析器版本号
+pub const VERSION: &str = env!("CARGO_PKG_VERSION");

crates/bat-assetbundle/src/parser.rs

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+//! 解析器模块占位
+
+/// AssetBundle 解析器接口（待实现）
+pub trait Parser {
+    /// 解析器名称
+    fn name(&self) -> &str;
+}

crates/bat-assetbundle/src/types.rs

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+//! AssetBundle 类型定义占位
+
+/// Asset 类型（待实现）
+pub enum AssetType {
+    /// 文本资源
+    TextAsset,
+}