It is a game launcher and updater ought to compare and download updated files to game directory from Google Drive.

Configuration & build

• Create a new project in Google Cloud Platform.
• Add Google Drive API to it.
• Create a new IAM Service Account, memorize the technical E-mail of the service account.
• At the Permissions tab give it a role Viewer.
• At the Keys tab create a new key, name the given json file config.json and put it to this project root.
• From any Google Drive account, share a directory with a game client with the service account E-mail.
• Copy game client directory ID/slug from page URL when you open it in browser
• Add "root_id": "ID from the previous step" to the config.json.
• Build. Compress with UPX if you need to reduce the file size.
• Share the binary file (config.json should not be shared with it).

Known issues

• Update may have trouble locating files when updater current directory contains non-UTF8 characters in its path.

Cross compilation

If you need to compile Windows x32+x64, use GOX package:

1. Run go get github.com/mitchellh/gox to get gox binary (go/bin should be in your PATH).

2. Once you've got gox, call gox -os="windows" to build i386 + amd64 executables right in project directory.