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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 17 JDK

Recommended

• 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. Download the Config folder from https://gitlab.com/Melledy/LunarCore-Configs and place them into your resources folder. REPLACE any files that your system asks about. These are for world spawns and are quite important for the server.
5. 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.
6. If you have autoCreateAccount set to true in the config, then you can skip creating an account. Otherwise, use the /account command in the server console to create one.

Connecting with the client (Fiddler)

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. Set fiddler to decrypt https traffic. (Tools -> Options -> HTTPS -> Decrypt HTTPS traffic) Make sure ignore server certificate errors is checked as well.
4. Copy and paste the following code into the Fiddlerscript tab of Fiddler Classic:

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.host = "localhost"; // This can also be replaced with another IP address.
        }
    }
};

5. Login with your account name, the password 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.

/account {create | delete} [username] (reserved player uid). Creates or deletes an account.
/avatar lv(level) p(ascension) r(eidolon) s(skill levels). Sets the current avatar's properties.
/clear {relics | lightcones | materials | items}. Removes filtered items from the player inventory.
/gender {male | female}. Sets the player's gender.
/give [item id] x[amount] lv[number]. Gives the targetted player an item.
/giveall {materials | avatars | lightcones | relics}. Gives the targeted player items.
/heal. Heals your avatars.
/help. Displays a list of available commands.
/kick @[player id]. Kicks a player from the server.
/mail [content]. Sends the targeted player a system mail.
/permission {add | remove | clear} [permission]. Gives/removes a permission from the targeted player.
/refill. Refill your skill points in open world.
/reload. Reloads the server config.
/scene [scene id] [floor id]. Teleports the player to the specified scene.
/spawn [monster/prop id] x[amount] s[stage id]. Spawns a monster or prop near the targeted player.
/unstuck @[player id]. Unstucks an offline player if they're in a scene that doesn't load.
/worldlevel [world level]. Sets the targeted player's equilibrium level.