1. Open C:\Program Files\Epic Games\WutheringWavesj3oFh\Wuthering Waves Game\Client\Content\Paks using Fmodel

2. Under Directory > AES, add AES key: 0x4D65747EDEB74A1DE116B1DD147CF79CD6C082F0DB7908E1BBD37F0428426469 as of patch 1.2.0, see this repository for newer AES keys: ClostroOffi/wuwa-aes-archive

3. Load pakchunk11-WindowsNoEditor.pak in Archives menu

4. Under Folders menu, right-click Client folder and choose Export Folder's Packages Raw Data (.uasset)

5. Open exported folder with VS Code

6. Explore code

1. npm install

2. Create a new folder under development that will hold your modified code

   i. mkdir development/WutheringWaves-NewMod

3. Copy over or create folders and files that will be modified

   i. Copy folders and files from the exported folder from step 5 of Reverse Engineering Process

   ii. For example, if InputController.js is being modified, then add the folders Client/Aki/Javascript/Game/Input leading up to InputController.js under WutheringWaves-NewMod

   iii. Use the existing WutheringWaves-MenuWithText inside development as reference

4. Format minified .js files with one of the following:

   i. Ctrl + Shift + P then select Format Document and choose Biome

   ii. Shift + Alt + F inside VS Code

   iii. Run npx @biomejs/biome format --write .

5. Modify .js files

6. Repack modified code using one of the following:

   i. npm run convertToPak, which will take all folders under development and convert each folder into a .pak file under ~mods

   ii. Drag and drop folder, e.g. WutheringWaves-NewMod into UnrealPak-Without-Compression.bat

   iii. ~mods folder should now contain WutheringWaves-NewMod.pak

1. Copy ~mods folder over to \Wuthering Waves\Wuthering Waves Game\Client\Content\Paks\

2. Find Wuthering Waves\Wuthering Waves Game\Client\Binaries\Win64\Client-Win64-Shipping.exe

3. Right-click and create shortcut

4. Right-click new shortcut and choose Properties

5. Change target to be "C:\Program Files\Epic Games\WutheringWavesj3oFh\Wuthering Waves Game\Client\Binaries\Win64\Client-Win64-Shipping.exe" -fileopenlog -SkipSplash

6. Open the game with either:

   i. New shortcut

   ii. wuwa_modloader

Under WutheringWaves-MenuWithText, is an example mod that displays the basics of showing a menu