Grasscutter

A WIP server emulator for Genshin Impact 2.3-2.6

Current features

Logging in
Spawning monsters via console
Combat
Inventory features (recieving items/characters, upgrading items/characters, etc)
Co-op does work, but movement is kind of buggy and some player ults do not spawn properly
Friends list
Gacha system

Running the server and client

Prerequisites

Java 8 JDK
Mongodb (recommended 4.0+)

Starting up the server

Compile the server with ./gradlew jar
Create a folder named resources in your server directory, you will need to copy BinData and ExcelBinOutput folders which you can get from a repo like https://github.com/Dimbreath/GenshinData into your resources folder.
Run the server with java -jar grasscutter.jar. Make sure mongodb is running as well.

Connecting with the client

If you are using the provided keystore, you will need to install and have Fiddler running. Make sure fiddler is set to decrypt https traffic.
Set your hosts file to redirect at least api-account-os.hoyoverse.com and dispatchosglobal.yuanshen.com to your dispatch server ip.

Server console commands

/account create [username] {playerid} - Creates an account with the specified username and the in-game uid for that account. The playerid parameter is optional and will be auto generated if not set.

In-Game commands

There is a dummy user named "Server" in every player's friends list that you can message to use commands. Commands also work in other chat rooms, such as private/team chats.

!spawn [monster id] [level] [amount]

!give [item id] [amount]

!drop [item id] [amount]

!killall

!godmode - Prevents you from taking damage

!resetconst - Resets the constellation level on your current active character, will need to relog after using the command to see any changes.

!sethp [hp]

!clearartifacts - Deletes all unequipped and unlocked level 0 artifacts, including yellow rarity ones from your inventory

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