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ludo

Ludo is a work in progress libretro frontend written in go.

It is able to launch most non GL libretro cores.

It works on OSX, Linux, Linux ARM and Windows. You can download releases here

Dependencies

• GLFW 3.3
• OpenGL >= 2.1
• OpenAL

On OSX

You can execute the following command and follow the instructions about exporting PKG_CONFIG

brew install openal-soft

On Debian or Ubuntu

sudo apt-get install libopenal-dev xorg-dev golang

On Raspbian

You need to enable the experimental VC4 OpenGL support (Full KMS) in raspi-config.

sudo apt-get install libopenal-dev xorg-dev

On Alpine / postmarketOS

sudo apk add musl-dev gcc openal-soft-dev libx11-dev libxcursor-dev libxrandr-dev libxinerama-dev libxi-dev mesa-dev

On Windows

Setup openal headers and dll in mingw-w64 include and lib folders.

Building

git clone --recursive https://github.com/libretro/ludo.git
cd ludo
go build

For more detailed build steps, please refer to our continuous delivery config.

Running

./ludo

Command goi18n

The goi18n command manages message files used by the i18n package.

go install -v github.com/nicksnyder/go-i18n/v2/goi18n@latest
goi18n -help

Extracting messages

Use goi18n extract to extract all i18n.Message struct literals in Go source files to a message file for translation.

# active.en.toml
[PersonCats]
description = "The number of cats a person has"
one = "{{.Name}} has {{.Count}} cat."
other = "{{.Name}} has {{.Count}} cats."

Translating a new language

1. Create an empty message file for the language that you want to add (e.g. translate.es.toml).

2. Run goi18n merge active.en.toml translate.es.toml to populate translate.es.toml with the messages to be translated.

   # translate.es.toml
   [HelloPerson]
   hash = "sha1-5b49bfdad81fedaeefb224b0ffc2acc58b09cff5"
   other = "Hello {{.Name}}"

3. After translate.es.toml has been translated, rename it to active.es.toml.

   # active.es.toml
   [HelloPerson]
   hash = "sha1-5b49bfdad81fedaeefb224b0ffc2acc58b09cff5"
   other = "Hola {{.Name}}"

4. Load active.es.toml into your bundle.

   bundle.RegisterUnmarshalFunc("toml", toml.Unmarshal)
   bundle.LoadMessageFile("active.es.toml")

Translating new messages

If you have added new messages to your program:

1. Run goi18n extract to update active.en.toml with the new messages.
2. Run goi18n merge active.*.toml to generate updated translate.*.toml files.
3. Translate all the messages in the translate.*.toml files.
4. Run goi18n merge active.*.toml translate.*.toml to merge the translated messages into the active message files.

goi18n extract -outdir ./i18n/ && cd ./i18n/ && goi18n merge active.*.toml
#....translate -> all translate.*.toml
goi18n merge active.*.toml translate.*.toml && cd ../

License

go-i18n is available under the MIT license.