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MikuSB

★ 629 Open GitHub ↗

Open-source C#/.NET research server emulator for local protocol and networking experimentation.

// repository documentation

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# MikuSB

<strong>MikuSB</strong> is a server emulator of a certain dungeon anime game.   
`SdkServer`, `GameServer`, and an optional local HTTP/HTTPS proxy are started from a single `net9.0` application.

[Discord](https://discord.gg/aMwCu9JyUR)

日本語のドキュメントは [README_jp.md](README_jp.md) にあります。

## Scam Warning

MikuSB is completely free and open source.
If anyone sold you this server or charged money to provide it, that was a scam.
Request a refund immediately and report the seller to us on Discord with any relevant proof or purchase details.

## Overview

- `SdkServer`
  - Serves HTTP APIs and dispatch responses
  - Returns server lists, version queries, and fallback responses
- `GameServer`
  - Accepts TCP-based game connections
  - Handles `ReqCallGS` and some normal packets
- `Proxy`
  - Listens on `127.0.0.1:8888` when enabled
  - Redirects some Snowbreak-related domains to the local `SdkServer`
- `Common` / `Proto` / `TcpSharp`
  - Shared data, protobuf definitions, and networking infrastructure

## Project Layout

- [MikuSB](MikuSB): entry point
- [SdkServer](SdkServer): HTTP server and dispatch
- [GameServer](GameServer): main game server
- [Proxy](Proxy): local proxy
- [Common](Common): config, database, and shared utilities
- [Proto](Proto): protobuf definitions

## Requirements

- [.NET SDK 10.0](https://dotnet.microsoft.com/en-us/download/dotnet/10.0)

## Running

1. Restore dependencies and build.
```powershell
dotnet build
```
2. Set `GamePath` in `Config.json` to the path of your game executable.
3. Start the server and run the `game` command.
4. Create an account in the server console.  
5. Enjoy.

## Feature List

* [x] Login and basic account entry
* [x] Player data loading
* [x] Inventory loading
* [x] Character loading
* [x] Skin loading
* [x] Weapon loading
* [x] Lobby display character switching
* [x] Character skin switching
* [x] Character skin form switching
* [x] Weapon replacement
* [x] Weapon upgrade
* [x] Player rename
* [x] Basic saving of currently supported lobby state
* [✓] Main chapter stage entry and related flow
* [✓] Daily stage entry and related flow
* [✓] Basic player setting synchronization
* [✓] Basic profile synchronization
* [✓] Activity-related requests
* [✓] Achievement-related requests
* [✓] Lineup-related requests
* [✓] Preview-related requests
* [✓] Some shop-related requests
* [ ] Full combat flow
* [ ] Mission / quest progression
* [ ] Gacha / recruitment systems
* [ ] Complete shop behavior
* [ ] Multiplayer systems
* [ ] Base / dorm systems
* [ ] Full client API coverage

## Contributors
- [Naruse](https://github.com/DevilProMT)
- [Kei-Luna](https://github.com/Kei-Luna)

## License
This repository is licensed under the [MIT License](LICENSE).

## Notes on use
This software is intended for research and testing purposes in a local environment.  
It is not intended for unauthorized access to, interference with, or commercial use of official services.

## Legal Disclaimer
MikuSB was developed for educational and research purposes.  
- All trademarks, copyrights, and other intellectual property related to the original game and its associated franchise belong to their respective owners.  
- This repository does not include any copyrighted game assets, binaries, or master data.  
- Use this software at your own risk. The authors assume no responsibility for any damages or legal consequences resulting from its use.

If you are a rights holder and have any concerns regarding this software, please contact `devilpromt` or `kei_luna` on Discord.

MikuSB

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