Lua Engine (Lutro)Link

BackgroundLink

Lutro is an experimental lua game framework that follows the LÖVE API. Lutro games can be played with LibRetro/RetroArch through the Lutro core.

How to start the Lutro core:Link

  • As an example showcasing loading content with the Lutro core, we will load the Pong game hosted on RetroArch's Content Downloader.

You can do this by going to RetroArch's main menu screen and selecting 'Online Updater'. From there, select 'Content Downloader'.

  • Select 'Lutro', then select 'Pong.lutro'. This should download and extract this file to RetroArch's Downloads directory.

  • Go back to RetroArch's main menu screen. Select 'Load Content', then 'Downloads'.

  • Select 'Pong.lutro'.

  • If you are asked which core to select, choose 'Lua Engine (Lutro)'.

The content should now start running!

Author/LicenseLink

The Lutro core has been authored by

  • Higor Euripedes
  • Jean-Andre Santoni

The Lutro core is licensed under

A summary of the licenses behind RetroArch and its cores have found here.

ExtensionsLink

Content that can be loaded by the Lutro core have the following file extensions:

  • .lutro
  • .lua

DatabasesLink

RetroArch database(s) that are associated with the Lutro core:

FeaturesLink

Frontend-level settings or features that the Lutro core respects.

Feature Supported
Restart
Screenshots
Saves
States
Rewind
Netplay
Core Options
RetroAchievements
RetroArch Cheats
Native Cheats
Controls
Remapping
Multi-Mouse
Rumble
Sensors
Camera
Location
Subsystem
Softpatching
Disk Control
Username
Language
Crop Overscan
LEDs

DirectoriesLink

The Lutro core's internal core name is 'lutro'

Geometry and timingLink

  • The Lutro core's core provided FPS is 60
  • The Lutro core's core provided sample rate is 44100 Hz
  • The LUtro core's core provided aspect ratio is (Ratio)

ControllersLink

The Lutro core supports the following device type(s) in the controls menu, bolded device types are the default for the specified user(s):

User 1 device typesLink

  • None - Doesn't disable input. There's no reason to switch to this.
  • RetroPad - Joypad - Stay on this.
  • RetroPad w/Analog - Joypad - Same as RetroPad. There's no reaosn to switch to this.

Controller tablesLink

JoypadLink

Attention

What the inputs do are game specific.

User 1 Remap descriptors RetroPad Inputs Lutro core inputs
B
Y
Select
Start
Up Up
Down Down
Left Left
Right Right
A
X
L1
R1
L2
R2
L3
R3

See alsoLink

Custom EngineLink