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GDevelop IDE

This is the GDevelop 5 editor. It is based on React, Material-UI, Pixi.js, Three.js and Electron for the desktop app. It uses GDevelop core C++ classes compiled to Javascript to work with GDevelop games.

GDevelop editor

1) Installation 💻

Make sure to have Git and Node.js installed. Yarn is optional.

git clone https://github.com/4ian/GDevelop.git
cd GDevelop/newIDE/app
npm install # or yarn

2) Development 🤓

npm start # or yarn start

This will open the app in your web browser.

Images resources, GDJS Runtime, extensions will be copied in resources, and libGD.js will be downloaded automatically. If you wish, you can build libGD.js by yourself (useful if you modified GDevelop native code like extensions).

Note for Linux: If you get an error message that looks like this: Error: watch GD/newIDE/app/some/file ENOSPC then follow the instructions here to fix.

Development of the standalone app

You can run the standalone app with Electron. Make sure that you've launched npm start (or yarn start) in the app folder before (see above) and keep it running (in development, the app is served from a local server, even for the standalone app).

Note for Windows: With Node.js 14 or older, there is an error related to git-sh-setup when running npm install. To solve this problem: add this folder to your path environment variable OR run npm install in newIDE/electron-app/app before npm install in newIDE/electron-app.

cd newIDE/app && npm start # Be sure to have this running in another terminal, before the rest!

# In a new terminal:
cd newIDE/electron-app
npm install # or yarn
npm run start # or yarn start

Quick Install and Run

There is a script file that automates cloning this repository, building the IDE and running it:

  • For Windows: You can download the batch script here and save it to where you want GDevelop to be cloned, then simply run it.

Development of UI components

You can run a Storybook that is used as a playground for rapid UI component development and testing:

cd newIDE/app
npm run storybook # or yarn storybook

ℹ️ When creating a Pull Request/pushing a commit, a CI will build the Storybook for you and host it temporarily to allow to test components directly from your browser. Navigate to http://gdevelop-storybook.s3-website-us-east-1.amazonaws.com/YOUR_BRANCH/latest/index.html to see it.

Find here the Storybook of the latest version on master.

Tests

Unit tests, type checking and auto-formatting of the code can be launched with these commands:

cd newIDE/app
npm run test # or yarn test
npm run flow # or yarn flow
npm run format # or yarn format

Theming

It's pretty easy to create new themes. Check the README about themes

Development of the game engine or extensions

Make sure to have the standalone app running with Electron.

If you modify any file while the IDE is running with Electron, a watcher will automatically import your changes (look at the console to be sure).

You can then launch a preview in GDevelop (again, be sure to be using the standalone app running with Electron to be sure to have your changes reflected immediately).

If you deactivated the watcher in preferences, run the import-GDJS-Runtime.js script manually (cd newIDE/app/scripts then node import-GDJS-Runtime.js) after every change, before launching a preview.

Recommended tools for development

Any text editor is fine, but it's a good idea to have one with Prettier (code formatting), ESLint (code linting) and Flow (type checking) integration. Modern JavaScript is used for the editor.

👉 You can use Visual Studio Code with these extensions: Prettier - Code formatter, ESLint and Flow Language Support.

Testing and developing with the cloud storage providers (Google Drive, Dropbox, OneDrive, etc...)

Cloud storage providers are set up with development keys when you're running GDevelop in development mode. For these, to work, you must execute the web-app not from the traditional http://localhost:3000 origin, but from http://gdevelop-app-local.com:3000:

  • Set up a redirection in your hosts file, that should look like: 127.0.0.1 gdevelop-app-local.com.
  • Launch then the web app from http://gdevelop-app-local:3000.

This is only necessary if you want to have cloud storage providers working in development. If not done, GDevelop will simply display an error while trying to use them.

(Optional) Building and deploying the standalone app 📦

🖐 This section is only for maintainers that want to deploy the "official app" on the GDevelop website. If you're working on contributions for GDevelop, you won't need it. You can download "Nightly Builds" of GDevelop here too.

Desktop version

First, update the version number in newIDE/electron-app/app/package.json and merge the change to master.

Then, wait for the CIs (CircleCI & AppVeyor) to build the artifacts needed for the release (MacOS+Linux and Windows respectively).

Once finished, you can download them (use newIDE/app/scripts/download-all-build-artifacts.js script) and upload them to the new Github release!

Note: You can also build manually a desktop version locally by running npm run build in newIDE/electron-app.

Webapp version

cd newIDE/web-app
yarn deploy # or npm run deploy

Note: this will also upload the game engine (GDJS) and extension sources, needed by the IDE and purge the CloudFlare cache.

(Optional) Updating translations

Extract translations from the editor, as well as GDevelop Core and extensions:

cd newIDE/app
yarn extract-all-translations # or npm run extract-all-translations

This will create ide-messages.pot (in newIDE/app/src/locales/en) and gdcore-gdcpp-gdjs-extensions-messages.pot (in scripts). Upload both of them to the GDevelop Crowdin project.

To update translations, build and download the translations from Crowdin. Extract everything in newIDE/app/src/locales. And run:

yarn compile-translations # or npm run compile-translations

3) How to contribute? 😎

The editor, the game engine and extensions are always in development. Your contribution is welcome!

  • Check the roadmap for ideas and features planned.

    You can contribute by picking anything here or anything that you think is missing or could be improved in GD5! If you don't know how to start, it's a good idea to play a bit with the editor and see if there is something that is unavailable and that you can add or fix.

  • Follow the Development section of the README to set up GDevelop and start modifying either the editor or the game engine/extensions.

  • To submit your changes, you have to first create a Fork on GitHub (use the Fork button on the top right), then create a Pull Request.

  • Finally, make sure that the tests pass (refer to this README and the game engine README for learning how to run tests).