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README.md

Vulkan rFactor2 HUD

This project is an attempt to render custom HUD elements for rFactor2 by being a Vulkan layer.

Current state

I would consider the following elements as working:

Leader Board
Delta Board (shows intervals between driver next to you (2 before and 2 behind you))
Radar
Pedals

How to enable

Archlinux based

Simply use the PKGBUILD from the pkgbuild directory (How to use it)

Manual installation

Build this repository cargo build --release
Change the path where the libvk_layer_rs.so is located (library_path parameter in the rFactorOverlay.json file)
Put the rFactorOverlay.json into a layer directory (layer directories)

Add RFACTOR_HUD=1 to steam launch command (example: RFACTOR_HUD=1 %command%)

A config file is generated the first time you start it at: $HOME/.config/rFactorHUD/config.json

Requirement

You need to have rFactor2 memory plugin shared file enabled (rF2SharedMemoryMapPlugin_Wine)

Debugging

Add RFACTOR_HUD_LOG=1 to the launch options of the game. Then a file log file will be created ($HOME/rf2_vk_hud.log). The logs may seem super random and they are super random, since I didn't have (or took) the time to unify my logging output. I would not recommend to activate logging while playing a longer session, it can get quite big (about 15 minutes are roundabout 1 million lines).