mirror of
https://github.com/zeldaret/oot.git
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383a95d11e
* Changed progress.py csv output to be compatible with new website * Increment and clarify csv version * Update csv paths
205 lines
7.3 KiB
Markdown
205 lines
7.3 KiB
Markdown
# The Legend of Zelda: Ocarina of Time
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[![Build Status][jenkins-badge]][jenkins] [![Decompilation Progress][progress-badge]][progress] [![Contributors][contributors-badge]][contributors] [![Discord Channel][discord-badge]][discord]
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[jenkins]: https://jenkins.deco.mp/job/OOT/job/master
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[jenkins-badge]: https://img.shields.io/jenkins/build?jobUrl=https%3A%2F%2Fjenkins.deco.mp%2Fjob%2FOOT%2Fjob%2Fmaster
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[progress]: https://zelda64.dev/games/oot
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[progress-badge]: https://img.shields.io/endpoint?url=https://zelda64.dev/assets/csv/progress-oot-shield.json
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[contributors]: https://github.com/zeldaret/oot/graphs/contributors
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[contributors-badge]: https://img.shields.io/github/contributors/zeldaret/oot
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[discord]: https://discord.zelda64.dev
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[discord-badge]: https://img.shields.io/discord/688807550715560050?color=%237289DA&logo=discord&logoColor=%23FFFFFF
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```diff
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- WARNING! -
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This repository is a work in progress, and while it can be used to make certain changes, it's still
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constantly evolving. If you use it for modding purposes in its current state, please be aware that
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the codebase can drastically change at any time. Also note that some parts of the ROM may not be
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'shiftable' yet, so modifying them could be difficult at this point.
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```
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This is a WIP **decompilation** of ***The Legend of Zelda: Ocarina of Time***. The purpose of the project is to recreate a source code base for the game from scratch, using information found inside the game along with static and/or dynamic analysis. **It is not producing a PC port.** For more information you can get in touch with the team on our [Discord server](https://discord.zelda64.dev).
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The only build currently supported is Master Quest (Debug), but other versions are planned to be supported.
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It builds the following ROM:
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* zelda_ocarina_mq_dbg.z64 `md5: f0b7f35375f9cc8ca1b2d59d78e35405`
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**Note: This repository does not include any of the assets necessary to build the ROM. A prior copy of the game is required to extract the needed assets.**
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**Website:** <https://zelda64.dev>
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**Discord:** <https://discord.zelda64.dev>
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## Installation
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### Windows
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For Windows 10 or 11, install WSL and a distribution by following this
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[WSL Installation Guide](https://docs.microsoft.com/en-us/windows/wsl/install).
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We recommend using Debian or Ubuntu 20.04 Linux distributions.
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For older versions of Windows, install a Linux VM or refer to either [Cygwin](#Cygwin) or [Docker](#Docker) instructions.
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### macOS
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For macOS, use homebrew to install the following dependencies:
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* coreutils
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* make
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* python3
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* md5sha1sum
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* libpng
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You can install them with the following commands:
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```bash
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brew update
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brew install coreutils make python3 md5sha1sum libpng
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```
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You'll also need to [build and install mips-linux-binutils](docs/BUILDING_BINUTILS_MACOS.md).
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Going forward in this guide, please use `gmake` whenever you encounter a `make` command.
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The `make` that comes with macOS behaves differently than GNU make and is incompatible with this project.
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You should now be able to continue from [step 2](#2-clone-the-repository) of the Linux instructions.
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### Linux (Native or under WSL / VM)
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#### 1. Install build dependencies
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The build process has the following package requirements:
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* git
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* build-essential
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* binutils-mips-linux-gnu
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* python3
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* libpng-dev
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Under Debian / Ubuntu (which we recommend using), you can install them with the following commands:
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```bash
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sudo apt-get update
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sudo apt-get install git build-essential binutils-mips-linux-gnu python3 libpng-dev
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```
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#### 2. Clone the repository
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Clone `https://github.com/zeldaret/oot.git` where you wish to have the project, with a command such as:
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```bash
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git clone https://github.com/zeldaret/oot.git
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```
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#### 3. Prepare a base ROM
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Copy over your copy of the Master Quest (Debug) ROM inside the root of this new project directory.
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Rename the file to "baserom_original.z64", "baserom_original.n64" or "baserom_original.v64", depending on the original extension.
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#### 4. Setup the ROM and build process
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Setup and extract everything from your ROM with the following command:
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```bash
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make setup
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```
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This will generate a new ROM called "baserom.z64" that will have the overdump removed and the header patched.
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It will also extract the individual assets from the ROM.
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#### 5. Build the ROM
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Run make to build the ROM.
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Make sure your path to the project is not too long, otherwise this process may error.
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```bash
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make
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```
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If all goes well, a new ROM called "zelda_ocarina_mq_debug.z64" should be built and the following text should be printed:
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```bash
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zelda_ocarina_mq_dbg.z64: OK
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```
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If you instead see the following:
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```bash
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zelda_ocarina_mq_dbg.z64: FAILED
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md5sum: WARNING: 1 computed checksum did NOT match
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```
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This means that the built ROM isn't the same as the base one, so something went wrong or some part of the code doesn't match.
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**NOTE:** to speed up the build, you can either:
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* pass `-jN` to `make setup` and `make`, where N is the number of threads to use in the build. The generally-accepted wisdom is to use the number of virtual cores your computer has.
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* pass `-j` to `make setup` and `make`, to use as many threads as possible, but beware that this can use too much memory on lower-end systems.
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Both of these have the disadvantage that the ordering of the terminal output is scrambled, so for debugging it is best to stick to one thread (i.e. not pass `-j` or `-jN`).
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### Cygwin
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If you want to use Cygwin, you will need to:
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* Download and install [Git Bash](https://git-scm.com/download/win).
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* Download and install [Cygwin](https://cygwin.com).
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* [Build and install mips-linux-binutils](docs/BUILDING_BINUTILS_CYGWIN.md).
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Once mips-linux-binutils is installed you will need to install the following packages using Cygwin's installer:
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* libiconv
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* dos2unix
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* python3
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* libpng-devel
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Then you can continue from step [step 2](#2-clone-the-repository) of the Linux instructions.
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Note that, before building anything, you will need to run the following commands to fix line endings:
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```bash
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dos2unix fixle.sh
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./fixle.sh
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```
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### Docker
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#### 1. Setup requirements
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To use Docker, you'll need either Docker Desktop or Docker Toolbox installed and setup based on your system.
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You'll also need to prepare a local version of the project with a copied base ROM (see steps [2](#2-clone-the-repository) and [3](#3-prepare-a-base-rom) of the Linux instructions).
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#### 2. Create the Docker image
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From inside your local project, run the following command:
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```bash
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docker build . -t oot
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```
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#### 3. Start the container
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To start the container, you can mount your local filesystem into the Docker container and run an interactive bash session.
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```bash
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docker run -it --rm --mount type=bind,source="$(pwd)",destination=/oot oot /bin/bash
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```
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#### 4. Setup and Build the ROM
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Once inside the container, you can follow steps [4](#4-setup-the-rom-and-build-process) and [5](#5-build-the-rom) of the Linux instructions to setup and build the ROM, or run any other command you need.
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## Contributing
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All contributions are welcome. This is a group effort, and even small contributions can make a difference.
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Some tasks also don't require much knowledge to get started.
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Most discussions happen on our [Discord Server](https://discord.zelda64.dev), where you are welcome to ask if you need help getting started, or if you have any questions regarding this project and other decompilation projects.
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