LunarCore

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Attention: For any extra support, questions, or discussions, check out our Discord.

Notable features

• Basic game features: Logging in, team setup, inventory, basic scene/entity management
• Monster battles working
• Natural world monster/prop/NPC spawns
• Character techniques
• Crafting/Consumables working
• NPC shops handled
• Gacha system
• Mail system
• Friend system (Assists are not working yet)
• Forgotten hall
• Pure Fiction
• Simulated universe (Runs can be finished, but many features are missing)

Running the server and client

Prerequisites

• Java 21 JDK

Recommended

• Java 25 JDK
• MongoDB 4.0+

Compiling the server

1. Open your system terminal, and compile the server with ./gradlew jar
2. Create a folder named resources in your server directory
3. Download the Config, TextMap, and ExcelBin folders from https://github.com/Dimbreath/StarRailData and place them into your resources folder.
4. Run the server with java -jar LunarCore.jar from your system terminal. Lunar Core comes with a built-in internal MongoDB server for its database, so no Mongodb installation is required. However, it is highly recommended to install Mongodb anyway.

Connecting with the client (Fiddler method)

1. Log in with the client to an official server and Hoyoverse account at least once to download game data.
2. Install and have Fiddler Classic running.
3. Copy and paste the following code into the Fiddlerscript tab of Fiddler Classic. Remember to save the fiddler script after you copy and paste it:

import System;
import System.Windows.Forms;
import Fiddler;
import System.Text.RegularExpressions;

class Handlers
{
    static function OnBeforeRequest(oS: Session) {
        if (oS.host.EndsWith(".starrails.com") || oS.host.EndsWith(".hoyoverse.com") || oS.host.EndsWith(".mihoyo.com") || oS.host.EndsWith(".bhsr.com")) {
            oS.oRequest.headers.UriScheme = "http";
            oS.host = "localhost"; // This can also be replaced with another IP address.
        }
    }
};

1. If autoCreateAccount is set to true in the config, then you can skip this step. Otherwise, type /account create [account name] in the server console to create an account.
2. Login with your account name, the password field is ignored by the server and can be set to anything.

Server commands

Server commands can be run in the server console or in-game. There is a dummy user named "Server" in every player's friends list that you can message to use in-game commands.

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