mirror of
https://github.com/zeldaret/oot.git
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5dd19e4862
* Use virtualenv in Makefile for python dependencies * Create separate targets for venv creation and installation * Fix install-python-deps prerequisite * Try simplifying Jenkinsfile * Simplify venv targets * Fix merge * Update README.md Co-authored-by: Dragorn421 <Dragorn421@users.noreply.github.com> --------- Co-authored-by: Dragorn421 <Dragorn421@users.noreply.github.com>
157 lines
6.3 KiB
Markdown
157 lines
6.3 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/main
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[jenkins-badge]: https://img.shields.io/jenkins/build?jobUrl=https%3A%2F%2Fjenkins.deco.mp%2Fjob%2FOOT%2Fjob%2Fmain
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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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* oot-gc-eu-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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We recommend using WSL on Windows, or native Linux, which the rest of this readme describes. We currently have instructions for
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* [Windows](#Windows), with and without WSL
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* [macOS](docs/BUILDING_MACOS.md)
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* [Linux](#Linux-Native-or-under-WSL--VM), natively or using WSL / VM
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* [Docker](docs/BUILDING_DOCKER.md)
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(These will also depend on the Linux instructions.)
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Some of these may also be out of date or unmaintained; usually our contributors use WSL, Linux, and macOS, so these instructions should be up to date.
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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 Ubuntu 20.04 as the Linux distribution.
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For older versions of Windows, install a Linux VM or refer to either [Cygwin](docs/BUILDING_CYGWIN.md) or [Docker](docs/BUILDING_DOCKER.md) 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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* python3-pip
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* python3-venv
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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 python3-pip python3-venv libpng-dev
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```
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If you are using GCC as the compiler for Ocarina of Time, you will also need:
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* gcc-mips-linux-gnu
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#### 2. Clone the repository
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**N.B.** If using WSL, we strongly encourage you to clone into WSL's Linux filesystem using Linux's `git`.
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Cloning into the Windows filesystem will result in much slower read/write speeds, and often causes issues when Windows copies the files with the wrong line endings, which the compiler IDO cannot handle correctly.
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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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This will copy the GitHub repository contents into a new folder in the current directory called `oot`. Change into this directory before doing anything else:
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```bash
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cd oot
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```
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#### 3. Prepare a base ROM
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Place a copy of the Master Quest (Debug) ROM inside the `baseroms/gc-eu-mq-dbg/` folder.
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Rename the file to `baserom.z64`, `baserom.n64` or `baserom.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 downloads some dependencies (from pip), and compiles tools for the build process.
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Then it generates a new ROM "baseroms/gc-eu-mq-dbg/baserom-decompressed.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 "oot-gc-eu-mq-dbg.z64" should be built and the following text should be printed:
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```bash
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oot-gc-eu-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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oot-gc-eu-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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## 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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