mirror of
https://github.com/ppy/osu.git
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148 lines
8.3 KiB
Markdown
148 lines
8.3 KiB
Markdown
<p align="center">
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<img width="500" alt="osu! logo" src="assets/lazer.png">
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</p>
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# osu!
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[](https://github.com/ppy/osu/actions/workflows/ci.yml)
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[](https://github.com/ppy/osu/releases/latest)
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[](https://www.codefactor.io/repository/github/ppy/osu)
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[](https://discord.gg/ppy)
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[](https://crowdin.com/project/osu-web)
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A free-to-win rhythm game. Rhythm is just a *click* away!
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This is the future – and final – iteration of the [osu!](https://osu.ppy.sh) game client which marks the beginning of an open era! Currently known by and released under the release codename "*lazer*". As in sharper than cutting-edge.
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## Status
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This project is under constant development, but we do our best to keep things in a stable state. Players are encouraged to install from a release alongside their stable *osu!* client. This project will continue to evolve until we eventually reach the point where most users prefer it over the previous "osu!stable" release.
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A few resources are available as starting points to getting involved and understanding the project:
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- Detailed release changelogs are available on the [official osu! site](https://osu.ppy.sh/home/changelog/lazer).
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- You can learn more about our approach to [project management](https://github.com/ppy/osu/wiki/Project-management).
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- Track our current efforts [towards improving the game](https://github.com/orgs/ppy/projects/7/views/6).
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## Running osu!
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If you are just looking to give the game a whirl, you can grab the latest release for your platform:
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### Latest release:
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| [Windows 8.1+ (x64)](https://github.com/ppy/osu/releases/latest/download/install.exe) | macOS 10.15+ ([Intel](https://github.com/ppy/osu/releases/latest/download/osu.app.Intel.zip), [Apple Silicon](https://github.com/ppy/osu/releases/latest/download/osu.app.Apple.Silicon.zip)) | [Linux (x64)](https://github.com/ppy/osu/releases/latest/download/osu.AppImage) | [iOS 13.4+](https://osu.ppy.sh/home/testflight) | [Android 5+](https://github.com/ppy/osu/releases/latest/download/sh.ppy.osulazer.apk) |
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| ------------- | ------------- | ------------- | ------------- | ------------- |
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You can also generally download a version for your current device from the [osu! site](https://osu.ppy.sh/home/download).
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If your platform is not listed above, there is still a chance you can manually build it by following the instructions below.
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**For iOS/iPadOS users**: The iOS testflight link fills up very fast (Apple has a hard limit of 10,000 users). We reset it occasionally. Please do not ask about this. Check back regularly for link resets or follow [peppy](https://twitter.com/ppy) on twitter for announcements. Our goal is to get the game on mobile app stores in early 2024.
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## Developing a custom ruleset
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osu! is designed to allow user-created gameplay variations, called "rulesets". Building one of these allows a developer to harness the power of the osu! beatmap library, game engine, and general UX for a new style of gameplay. To get started working on a ruleset, we have some templates available [here](https://github.com/ppy/osu/tree/master/Templates).
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You can see some examples of custom rulesets by visiting the [custom ruleset directory](https://github.com/ppy/osu/discussions/13096).
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## Developing osu!
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### Prerequisites
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Please make sure you have the following prerequisites:
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- A desktop platform with the [.NET 6.0 SDK](https://dotnet.microsoft.com/download) installed.
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When working with the codebase, we recommend using an IDE with intelligent code completion and syntax highlighting, such as the latest version of [Visual Studio](https://visualstudio.microsoft.com/vs/), [JetBrains Rider](https://www.jetbrains.com/rider/), or [Visual Studio Code](https://code.visualstudio.com/) with the [EditorConfig](https://marketplace.visualstudio.com/items?itemName=EditorConfig.EditorConfig) and [C#](https://marketplace.visualstudio.com/items?itemName=ms-dotnettools.csharp) plugin installed.
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### Downloading the source code
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Clone the repository:
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```shell
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git clone https://github.com/ppy/osu
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cd osu
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```
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To update the source code to the latest commit, run the following command inside the `osu` directory:
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```shell
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git pull
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```
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### Building
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#### From an IDE
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You should load the solution via one of the platform-specific `.slnf` files, rather than the main `.sln`. This will reduce dependencies and hide platforms that you don't care about. Valid `.slnf` files are:
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- `osu.Desktop.slnf` (most common)
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- `osu.Android.slnf`
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- `osu.iOS.slnf`
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Run configurations for the recommended IDEs (listed above) are included. You should use the provided Build/Run functionality of your IDE to get things going. When testing or building new components, it's highly encouraged you use the `osu! (Tests)` project/configuration. More information on this is provided [below](#contributing).
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To build for mobile platforms, you will likely need to run `sudo dotnet workload restore` if you haven't done so previously. This will install Android/iOS tooling required to complete the build.
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#### From CLI
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You can also build and run *osu!* from the command-line with a single command:
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```shell
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dotnet run --project osu.Desktop
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```
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When running locally to do any kind of performance testing, make sure to add `-c Release` to the build command, as the overhead of running with the default `Debug` configuration can be large (especially when testing with local framework modifications as below).
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If the build fails, try to restore NuGet packages with `dotnet restore`.
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### Testing with resource/framework modifications
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Sometimes it may be necessary to cross-test changes in [osu-resources](https://github.com/ppy/osu-resources) or [osu-framework](https://github.com/ppy/osu-framework). This can be quickly achieved using included commands:
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Windows:
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```ps
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UseLocalFramework.ps1
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UseLocalResources.ps1
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```
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macOS / Linux:
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```ps
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UseLocalFramework.sh
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UseLocalResources.sh
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```
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Note that these commands assume you have the relevant project(s) checked out in adjacent directories:
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```
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|- osu // this repository
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|- osu-framework
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|- osu-resources
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```
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### Code analysis
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Before committing your code, please run a code formatter. This can be achieved by running `dotnet format` in the command line, or using the `Format code` command in your IDE.
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We have adopted some cross-platform, compiler integrated analyzers. They can provide warnings when you are editing, building inside IDE or from command line, as-if they are provided by the compiler itself.
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JetBrains ReSharper InspectCode is also used for wider rule sets. You can run it from PowerShell with `.\InspectCode.ps1`. Alternatively, you can install ReSharper or use Rider to get inline support in your IDE of choice.
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## Contributing
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When it comes to contributing to the project, the two main things you can do to help out are reporting issues and submitting pull requests. Please refer to the [contributing guidelines](CONTRIBUTING.md) to understand how to help in the most effective way possible.
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If you wish to help with localisation efforts, head over to [crowdin](https://crowdin.com/project/osu-web).
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We love to reward quality contributions. If you have made a large contribution, or are a regular contributor, you are welcome to [submit an expense via opencollective](https://opencollective.com/ppy/expenses/new). If you have any questions, feel free to [reach out to peppy](mailto:pe@ppy.sh) before doing so.
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## Licence
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*osu!*'s code and framework are licensed under the [MIT licence](https://opensource.org/licenses/MIT). Please see [the licence file](LICENCE) for more information. [tl;dr](https://tldrlegal.com/license/mit-license) you can do whatever you want as long as you include the original copyright and license notice in any copy of the software/source.
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Please note that this *does not cover* the usage of the "osu!" or "ppy" branding in any software, resources, advertising or promotion, as this is protected by trademark law.
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Please also note that game resources are covered by a separate licence. Please see the [ppy/osu-resources](https://github.com/ppy/osu-resources) repository for clarifications.
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