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use clap::{Parser, Subcommand};
use std::path::PathBuf;
#[derive(Parser)]
#[command(name = "unity_asset")]
#[command(about = "A Rust-based Unity asset parser")]
#[command(version)]
pub(crate) struct Cli {
/// Fail-fast TypeTree parsing (no best-effort fallbacks)
#[arg(long)]
pub(crate) strict: bool,
/// Print collected load warnings and TypeTree warnings (when applicable)
#[arg(long)]
pub(crate) show_warnings: bool,
/// External TypeTree registry JSON/TPK (best-effort fallback for stripped assets).
///
/// Can be repeated; earlier registries take precedence (first match wins).
#[arg(long)]
pub(crate) typetree_registry: Vec<PathBuf>,
#[command(subcommand)]
pub(crate) command: Commands,
}
#[derive(Subcommand)]
pub(crate) enum Commands {
/// Parse a Unity YAML file
ParseYaml {
/// Input YAML file path
#[arg(short, long)]
input: PathBuf,
/// Output format (summary, detailed, json)
#[arg(short, long, default_value = "debug")]
format: String,
/// Preserve original types instead of converting to strings
#[arg(long)]
preserve_types: bool,
},
/// Extract information from Unity files
Extract {
/// Input file or directory path
#[arg(short, long)]
input: PathBuf,
/// Output directory
#[arg(short, long)]
output: PathBuf,
/// Unity class types to extract (GameObject, Transform, etc.)
#[arg(long)]
types: Vec<String>,
},
/// Export objects from AssetBundles using the bundle `m_Container` (UnityPy-like workflow)
ExportBundle {
/// Input file or directory path (bundles will be auto-detected)
#[arg(short, long)]
input: PathBuf,
/// Output directory
#[arg(short, long)]
output: PathBuf,
/// Filter container entries by substring (case-insensitive). Empty means export all.
#[arg(long, default_value = "")]
pattern: String,
/// Limit exported entries (to keep runtime predictable)
#[arg(long)]
limit: Option<usize>,
/// Filter by class id (can be repeated). Only applies to resolvable entries.
#[arg(long)]
class_id: Vec<i32>,
/// Filter by class name substring (case-insensitive). Only applies to resolvable entries.
#[arg(long, default_value = "")]
class_name: String,
/// Only print what would be exported
#[arg(long)]
dry_run: bool,
/// Decode known types (AudioClip -> WAV, Texture2D -> PNG) instead of exporting raw object bytes
#[arg(long)]
decode: bool,
/// Overwrite existing output files (still avoids in-run collisions)
#[arg(long, conflicts_with = "skip_existing")]
overwrite: bool,
/// Skip entries whose output file already exists
#[arg(long)]
skip_existing: bool,
/// Write a JSON manifest of planned/exported entries (for resume and regression checks)
#[arg(long)]
manifest: Option<PathBuf>,
/// Resume from a previous manifest (skips entries that are already exported and still exist)
#[arg(long, conflicts_with = "overwrite")]
resume: Option<PathBuf>,
/// Retry only failed entries from a previous manifest (uses its `asset_path` and `key`)
#[arg(long, conflicts_with_all = ["resume", "overwrite"])]
retry_failed_from: Option<PathBuf>,
/// Continue exporting even if some entries fail; failed entries are recorded in the manifest
#[arg(long)]
continue_on_error: bool,
/// Parallel export jobs (0 = auto, 1 = serial)
#[arg(long, default_value_t = 0)]
jobs: usize,
},
/// Export objects from SerializedFiles (e.g. `.asset`, `.assets`) by scanning objects directly
#[command(name = "export-serialized")]
ExportSerialized {
/// Input file or directory path (serialized files will be auto-detected)
#[arg(short, long)]
input: PathBuf,
/// Output directory
#[arg(short, long)]
output: PathBuf,
/// Restrict exporting to a specific loaded serialized source path
#[arg(long)]
source: Option<PathBuf>,
/// Filter by Unity class id (can be repeated). Empty means export all.
#[arg(long)]
class_id: Vec<i32>,
/// Filter by Unity class name substring (case-insensitive).
#[arg(long, default_value = "")]
class_name: String,
/// Filter by object `m_Name`/`name` substring (case-insensitive) via a TypeTree prefix fast path.
///
/// Note: this requires TypeTree to be present and to include a name field; otherwise the object is treated as non-matching.
#[arg(long, default_value = "")]
name: String,
/// Limit exported objects
#[arg(long)]
limit: Option<usize>,
/// Only print what would be exported
#[arg(long)]
dry_run: bool,
/// Decode known types (AudioClip -> WAV/encoded, Texture2D -> PNG, Sprite -> PNG, TextAsset -> TXT) instead of exporting raw bytes
#[arg(long)]
decode: bool,
/// Overwrite existing output files
#[arg(long, conflicts_with = "skip_existing")]
overwrite: bool,
/// Skip objects whose output file already exists
#[arg(long)]
skip_existing: bool,
/// Write a JSON manifest of planned/exported objects (for resume and regression checks)
#[arg(long)]
manifest: Option<PathBuf>,
/// Resume from a previous manifest (skips objects that are already exported and still exist)
#[arg(long, conflicts_with = "overwrite")]
resume: Option<PathBuf>,
/// Retry only failed objects from a previous manifest
#[arg(long, conflicts_with_all = ["resume", "overwrite"])]
retry_failed_from: Option<PathBuf>,
/// Continue exporting even if some objects fail (failures are recorded in the manifest)
#[arg(long)]
continue_on_error: bool,
/// Parallel export jobs (0 = auto, 1 = serial)
#[arg(long, default_value_t = 0)]
jobs: usize,
},
/// List AssetBundle nodes (files) for debugging and inspection
ListBundle {
/// Input AssetBundle path
#[arg(short, long)]
input: PathBuf,
/// Filter node names by substring (case-insensitive). Empty means show all.
#[arg(long, default_value = "")]
filter: String,
/// Print offsets and sizes
#[arg(long)]
verbose: bool,
},
/// List binary objects (path_id/class_id/peek_name) from SerializedFiles or bundles
#[command(name = "list-objects")]
ListObjects {
/// Input file or directory path (assets/bundles will be auto-detected)
#[arg(short, long)]
input: PathBuf,
/// Source kind: `all`, `bundle`, or `serialized`
#[arg(long, default_value = "serialized")]
kind: String,
/// Restrict listing to a specific loaded source path
#[arg(long)]
source: Option<PathBuf>,
/// Restrict listing to a specific bundle asset index (only applies when --kind bundle or all)
#[arg(long)]
asset_index: Option<usize>,
/// Filter by Unity class ID (repeatable). Example: `--class-id 28` (Texture2D).
#[arg(long)]
class_id: Vec<i32>,
/// Filter by Unity class name substring (case-insensitive). Example: `--class-name Texture`.
#[arg(long, default_value = "")]
class_name: String,
/// Filter by object `m_Name`/`name` substring (case-insensitive) via a TypeTree prefix fast path.
///
/// Note: this requires TypeTree to be present and to include a name field; otherwise the object is treated as non-matching.
#[arg(long, default_value = "")]
name: String,
/// Limit printed objects
#[arg(long)]
limit: Option<usize>,
/// Print one JSON object per line
#[arg(long)]
json: bool,
},
/// Find objects by AssetBundle `m_Container` asset path pattern (UnityPy-like discovery)
FindObject {
/// Input file or directory path (bundles will be auto-detected)
#[arg(short, long)]
input: PathBuf,
/// Filter container entries by substring (case-insensitive). Empty means show all.
#[arg(long, default_value = "")]
pattern: String,
/// Filter by object `m_Name`/`name` substring (case-insensitive) via a TypeTree prefix fast path.
///
/// Note: this requires TypeTree to be present and to include a name field; otherwise the object is treated as non-matching.
#[arg(long, default_value = "")]
name: String,
/// Filter by Unity class ID (repeatable). Example: `--class-id 83` (AudioClip).
#[arg(long)]
class_id: Vec<i32>,
/// Filter by Unity class name substring (case-insensitive). Example: `--class-name Texture`.
#[arg(long, default_value = "")]
class_name: String,
/// Limit matched entries
#[arg(long)]
limit: Option<usize>,
/// Include entries that could not be resolved to a `BinaryObjectKey`
#[arg(long)]
include_unresolved: bool,
/// Print extra object info (type_id, byte_size) when resolvable
#[arg(long)]
verbose: bool,
},
/// Inspect a single object by source location (useful for TypeTree debugging)
InspectObject {
/// Input file or directory path (assets/bundles will be auto-detected)
#[arg(short, long)]
input: PathBuf,
/// Copy/paste key emitted by `find-object --verbose` (overrides --source/--kind/--asset-index/--path-id)
#[arg(long)]
key: Option<String>,
/// Source file path that contains the object (an AssetBundle or a standalone SerializedFile).
///
/// When `--input` is a single file, this defaults to `--input`.
#[arg(long)]
source: Option<PathBuf>,
/// Source kind: `bundle` or `serialized`
#[arg(long, default_value = "bundle")]
kind: String,
/// Asset index inside the bundle (required when `--kind bundle`)
#[arg(long)]
asset_index: Option<usize>,
/// Object PathID inside the serialized file
#[arg(long)]
path_id: Option<i64>,
/// Limit printed recursion depth
#[arg(long, default_value_t = 6)]
max_depth: usize,
/// Limit total printed nodes (prevents huge dumps)
#[arg(long, default_value_t = 500)]
max_items: usize,
/// Limit printed array items per array node
#[arg(long, default_value_t = 16)]
max_array: usize,
/// Only print paths containing this substring (case-insensitive)
#[arg(long, default_value = "")]
filter: String,
},
/// Dump a JSON TypeTree registry from loaded files (for stripped-asset fallback parsing)
#[command(name = "dump-typetree-registry")]
DumpTypeTreeRegistry {
/// Input file or directory path (assets/bundles will be auto-detected)
#[arg(short, long)]
input: PathBuf,
/// Output JSON path
#[arg(short, long)]
output: PathBuf,
/// Filter by Unity class ID (repeatable). Empty means dump all.
#[arg(long)]
class_id: Vec<i32>,
/// Emit Unity version as a major.minor prefix (e.g. `2020.3.*`) instead of exact version.
#[arg(long)]
version_prefix: bool,
/// Overwrite existing output file
#[arg(long)]
overwrite: bool,
},
/// Scan PPtr references (`fileID`, `pathID`) from TypeTree without fully parsing objects
#[command(name = "scan-pptr")]
ScanPPtr {
/// Input file or directory path (assets/bundles will be auto-detected)
#[arg(short, long)]
input: PathBuf,
/// Source kind: `all`, `bundle`, or `serialized`
#[arg(long, default_value = "all")]
kind: String,
/// Restrict scanning to a specific loaded source path
#[arg(long)]
source: Option<PathBuf>,
/// Restrict scanning to a specific bundle asset index (only applies when --kind bundle or all)
#[arg(long)]
asset_index: Option<usize>,
/// Filter by Unity class ID (repeatable). Example: `--class-id 1` (GameObject).
#[arg(long)]
class_id: Vec<i32>,
/// Filter by object `m_Name`/`name` substring (case-insensitive) via a TypeTree prefix fast path.
#[arg(long, default_value = "")]
name: String,
/// Limit printed objects
#[arg(long)]
limit: Option<usize>,
/// Include objects where TypeTree is unavailable (printed with empty refs)
#[arg(long)]
include_no_typetree: bool,
/// Print one JSON object per line
#[arg(long)]
json: bool,
},
/// Build a best-effort dependency graph using TypeTree PPtr scanning
///
/// This is intentionally optimized for large assets: it prefers the zero-allocation PPtr scan
/// path (no full object parsing).
#[command(name = "deps")]
Deps {
/// Input file or directory path (assets/bundles will be auto-detected)
#[arg(short, long)]
input: PathBuf,
/// Source kind: `bundle` or `serialized`
#[arg(long, default_value = "bundle")]
kind: String,
/// Source file path that contains the objects (an AssetBundle or a standalone SerializedFile)
#[arg(long)]
source: Option<PathBuf>,
/// Asset index inside the bundle (required when `--kind bundle`)
#[arg(long)]
asset_index: Option<usize>,
/// Output format: `summary`, `edges`, `dot`, or `json`
#[arg(long, default_value = "summary")]
format: String,
/// Include best-effort object names in `edges` output (uses TypeTree prefix peek)
#[arg(long)]
names: bool,
/// Maximum edges to print for `edges`/`dot` output (prevents huge dumps)
#[arg(long, default_value_t = 2000)]
max_edges: usize,
},
}