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shibbo authored Feb 12, 2025
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decomp-toolkit Project Template
===============================
Petari
[![Build Status]][actions] ![Progress] [![Discord Badge]][discord]
=============

If starting a new GameCube / Wii decompilation project, this repository can be used as a scaffold.
[Build Status]: https://github.com/SMGCommunity/Petari/actions/workflows/build.yml/badge.svg
[actions]: https://github.com/SMGCommunity/Petari/actions/workflows/build.yml

See [decomp-toolkit](https://github.com/encounter/decomp-toolkit) for background on the concept and more information on the tooling used.
[Progress]: https://decomp.dev/SMGCommunity/Petari.svg?mode=shield&measure=code&label=Code

Documentation
-------------
[Discord Badge]: https://img.shields.io/discord/727908905392275526?color=%237289DA&logo=discord&logoColor=%23FFFFFF
[discord]: https://discord.gg/ZxEqyYeZbf

- [Dependencies](docs/dependencies.md)
- [Getting Started](docs/getting_started.md)
- [`symbols.txt`](docs/symbols.md)
- [`splits.txt`](docs/splits.md)
- [GitHub Actions](docs/github_actions.md) (new!)
A work-in-progress decompilation of Some Game.

General:
This repository does **not** contain any game assets or assembly whatsoever. An existing copy of the game is required.

- [Common BSS](docs/common_bss.md)
- [`.comment` section](docs/comment_section.md)
Supported versions:

References
--------
- `RMGK01`: Rev 0 (Korea)

Dependencies
============

- [Discord: GC/Wii Decompilation](https://discord.gg/hKx3FJJgrV) (Come to `#dtk` for help!)
- [objdiff](https://github.com/encounter/objdiff) (Local diffing tool)
- [decomp.me](https://decomp.me) (Collaborate on matches)
- [frogress](https://github.com/decompals/frogress) (Decompilation progress API)
- [wibo](https://github.com/decompals/wibo) (Minimal Win32 wrapper for Linux)
- [sjiswrap](https://github.com/encounter/sjiswrap) (UTF-8 to Shift JIS wrapper)

Projects using this structure:

- [zeldaret/tww](https://github.com/zeldaret/tww)
- [zeldaret/oot-gc](https://github.com/zeldaret/oot-gc)
- [zeldaret/ss](https://github.com/zeldaret/ss)
- [PrimeDecomp/prime](https://github.com/PrimeDecomp/prime)
- [PrimeDecomp/echoes](https://github.com/PrimeDecomp/echoes)
- [DarkRTA/rb3](https://github.com/DarkRTA/rb3)
- [doldecomp/melee](https://github.com/doldecomp/melee)
- [doldecomp/sadx](https://github.com/doldecomp/sadx)
- [InputEvelution/wp](https://github.com/InputEvelution/wp)
- [NWPlayer123/AnimalCrossing-dtk](https://github.com/NWPlayer123/AnimalCrossing-dtk)
- [Rainchus/marioparty4](https://github.com/Rainchus/marioparty4)
- [Rainchus/ttyd_dtk](https://github.com/Rainchus/ttyd_dtk)
- [Sage-of-Mirrors/zmansion](https://github.com/Sage-of-Mirrors/zmansion)
- [bfbbdecomp/bfbb](https://github.com/bfbbdecomp/bfbb)
- [EstexNT/rhf-dtk](https://github.com/EstexNT/rhf-dtk)

Features
Windows
--------

- Few external dependencies: Just `python` for the generator and `ninja` for the build system. See [Dependencies](docs/dependencies.md).
- Simple configuration: Everything lives in `config.yml`, `symbols.txt`, and `splits.txt`.
- Multi-version support: Separate configurations for each game version, and a `configure.py --version` flag to switch between them.
- Feature-rich analyzer: Many time-consuming tasks are automated, allowing you to focus on the decompilation itself. See [Analyzer features](https://github.com/encounter/decomp-toolkit#analyzer-features).
- REL support: RELs each have their own `symbols.txt` and `splits.txt`, and will automatically be built and linked against the main binary.
- No manual assembly: decomp-toolkit handles splitting the DOL into relocatable objects based on the configuration. No game assets are committed to the repository.
- Progress calculation and upload script for [frogress](https://github.com/decompals/frogress).
- Integration with [objdiff](https://github.com/encounter/objdiff) for a diffing workflow.
- CI workflow template for GitHub Actions.

Project structure
-----------------

- `configure.py` - Project configuration and generator script.
- `config/[GAMEID]` - Configuration files for each game version.
- `config/[GAMEID]/build.sha1` - SHA-1 hashes for each built artifact, for final verification.
- `build/` - Build artifacts generated by the the build process. Ignored by `.gitignore`.
- `orig/[GAMEID]` - Original game files, extracted from the disc. Ignored by `.gitignore`.
- `orig/[GAMEID]/.gitkeep` - Empty checked-in file to ensure the directory is created on clone.
- `src/` - C/C++ source files.
- `include/` - C/C++ header files.
- `tools/` - Scripts shared between projects.

Temporary, delete when done:

- `config/GAMEID/config.example.yml` - Example configuration file and documentation.
- `docs/` - Documentation for decomp-toolkit configuration.
- `README.md` - This file, replace with your own. For a template, see [`README.example.md`](README.example.md).
- `LICENSE` - This repository is licensed under the CC0 license. Replace with your own if desired.
On Windows, it's **highly recommended** to use native tooling. WSL or msys2 are **not** required.
When running under WSL, [objdiff](#diffing) is unable to get filesystem notifications for automatic rebuilds.

- Install [Python](https://www.python.org/downloads/) and add it to `%PATH%`.
- Also available from the [Windows Store](https://apps.microsoft.com/store/detail/python-311/9NRWMJP3717K).
- Download [ninja](https://github.com/ninja-build/ninja/releases) and add it to `%PATH%`.
- Quick install via pip: `pip install ninja`

macOS
------

- Install [ninja](https://github.com/ninja-build/ninja/wiki/Pre-built-Ninja-packages):

```sh
brew install ninja
```

- Install [wine-crossover](https://github.com/Gcenx/homebrew-wine):

```sh
brew install --cask --no-quarantine gcenx/wine/wine-crossover
```

After OS upgrades, if macOS complains about `Wine Crossover.app` being unverified, you can unquarantine it using:

```sh
sudo xattr -rd com.apple.quarantine '/Applications/Wine Crossover.app'
```

Linux
------

- Install [ninja](https://github.com/ninja-build/ninja/wiki/Pre-built-Ninja-packages).
- For non-x86(_64) platforms: Install wine from your package manager.
- For x86(_64), [wibo](https://github.com/decompals/wibo), a minimal 32-bit Windows binary wrapper, will be automatically downloaded and used.

Building
========

- Clone the repository:

```sh
git clone https://github.com/my/repo.git
```

- Using [Dolphin Emulator](https://dolphin-emu.org/), extract your game to `orig/GAMEID`.
![](assets/dolphin-extract.png)
- To save space, the only necessary files are the following. Any others can be deleted.
- `sys/main.dol`
- `files/rels/*.rel`
- Configure:

```sh
python configure.py
```

To use a version other than `GAMEID` (USA), specify it with `--version`.
- Build:

```sh
ninja
```

Visual Studio Code
==================

If desired, use the recommended Visual Studio Code settings by renaming the `.vscode.example` directory to `.vscode`.

Diffing
=======

Once the initial build succeeds, an `objdiff.json` should exist in the project root.

Download the latest release from [encounter/objdiff](https://github.com/encounter/objdiff). Under project settings, set `Project directory`. The configuration should be loaded automatically.

Select an object from the left sidebar to begin diffing. Changes to the project will rebuild automatically: changes to source files, headers, `configure.py`, `splits.txt` or `symbols.txt`.

![](assets/objdiff.png)

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