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> **Note:** This repository has been archived. Development has moved to [wows-toolkit](https://github.com/landaire/wows-toolkit).

# wowsunpack

A utility for unpacking World of Warships game assets.

[![crates.io](https://img.shields.io/crates/v/wowsunpack.svg)](https://crates.io/crates/wowsunpack)  [![docs.rs](https://img.shields.io/docsrs/v/wowsunpack.svg)](https://docs.rs/wowsunpack/latest)

## Installation

Head over to the [Releases](https://github.com/landaire/wowsunpack/releases) page to grab the latest precompiled binary.

If you wish to install manually (building from crates.io source):

```
$ cargo install --force wowsunpack
```

## Features

- Directly read and convert `GameParams.data` to JSON
- Dump IDX file resource metadata to a serialized format (JSON or CSV)
- Extract game assets using glob file patterns
- Core logic can be used as a library by other applications

Planned:

- [ ] Parsing assets.bin
- [ ] C FFI
- [ ] Refactoring of library APIs

## Usage

```
$ wowsunpack --help

Utility for interacting with World of Warships game assets

Usage: wowsunpack.exe [OPTIONS] <COMMAND>

Commands:
  list         List files in a directory
  extract      Extract files to an output directory
  metadata     Write meta information about the game assets to the specified output file. This may be useful for diffing contents between builds at a glance. Output data includes file name, size, CRC32, unpacked size, compression info, and a flag indicating if the file is a directory
  game-params  Special command for directly reading the `content/GameParams.data` file, converting it to JSON, and writing to the specified output file path
  grep         Grep files for the given regex. Only prints a binary match
  help         Print this message or the help of the given subcommand(s)

Options:
  -g, --game-dir <GAME_DIR>
          Game directory. This option can be used instead of pkg_dir / idx_files and will automatically use the latest version of the game. If none of these args are provided, the executable's directory is assumed to be the game dir.

This option will use the latest build of WoWs in the `bin` directory, which may not necessarily be the latest _playable_ version of the game e.g. when the game launcher preps an update to the game which has not yet gone live.

Overrides `--pkg-dir`, `--idx-files`, and `--bin-dir`

-p, --pkg-dir <PKG_DIR>
          Directory where pkg files are located. If not provided, this will default relative to the given idx directory as "../../../../res_packages"

Ignored if `--game-dir` is specified.

-i, --idx-files <IDX_FILES>
          .idx file(s) or their containing directory.

Ignored if `--game-dir` is specified.

-h, --help
          Print help (see a summary with '-h')

-V, --version
          Print version
```

### Examples

#### Searching Files

Allows for searching through game contents for a file whose content matches some regex without needing to dump all files to your local filesystem. File search operates in parallel and should saturate CPU cores. For 400k files this command takes about 42 seconds:

```
$ wowsunpack --game-dir E:\WoWs\World_of_Warships\ grep AaDamageConstantBubbles
```

#### Dumping FIles

A specific file (results placed in `wowsunpack_extracted` dir):

```
$ wowsunpack --game-dir E:\WoWs\World_of_Warships\ extract gui\ship_dead_icons\PJSC819.png
Wrote 1 files
Finished in 1.1756742 seconds
```

All PNGs from a directory:

```
$ wowsunpack --game-dir E:\WoWs\World_of_Warships\ extract gui\ship_dead_icons\**\*.png
Wrote 1143 files
Finished in 1.396276 seconds
```

#### Dumping GameParams

Dumping default params:

```
$ wowsunpack --game-dir E:\WoWs\World_of_Warships\ game-params
```

Dumping NA patches:

```
$ wowsunpack --game-dir E:\WoWs\World_of_Warships\ game-params --id NA GameParamsNA.json
```

## Motivation

World of Warships game files are packed in two custom file formats -- `.idx` files and `.pkg` files. `.idx` files contain serialized resource and volume (.pkg) metadata. There exists [an official utility](https://forum.worldofwarships.com/topic/183662-all-wows-unpack-tool-unpack-game-client-resources/) provided by the game developer, Wargaming, but has the following drawbacks compared to this utility:

- Is not open-source
- This utility's backing library can be easily adopted into other applications that would like to directly read game data
- Slower (~2x using the CLI tool, ~6x using the GUI)
- Does not expose meta information about the resources
- Does not expose data in a machine-serializable format

The first two points are the big motivator for development of this utility. Applications like [minimap_renderer](https://github.com/WoWs-Builder-Team/minimap_renderer) depend on game assets and reading these assets isn't easily automated with today's tools.

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