Rocksmith 2014 on Steam Deck - installation script

rocksmith-install-steam-deck.sh

#!/bin/bash

# Usage: ./rocksmith-install.sh

set -xeuo pipefail

STEAMLIBRARY="/home/deck/.local/share/Steam"
STEAMLIBRARY_GAME="/run/media/mmcblk0p1/SteamLibrary"

PROTON="$STEAMLIBRARY/steamapps/common/Proton 7.0/dist"
# PROTON="$STEAMLIBRARY/steamapps/common/Proton - Experimental/files"
# PROTON="$STEAMLIBRARY/compatibilitytools.d/GE-Proton7-50/files"

_deps() {
    sudo steamos-readonly disable
    sudo pacman-key --init
    sudo pacman-key --populate archlinux

    sudo pacman -S realtime-privileges wine-staging
}

_groups() {
    # /etc persists between OS upgrades, this is optional
    groups

    sudo groupadd audio
    sudo groupadd realtime
    sudo usermod -aG audio $USER
    sudo usermod -aG realtime $USER
}

_build() {
    # change base-devel to only gcc & make (?)
    sudo pacman -S base-devel glibc linux-headers linux-api-headers libtool binutils lib32-glibc

    # drop pipewire for now (why is pipewire XOR with jack in Arch? who knows)
    sudo pacman -S lib32-jack2 jack2

    git clone --recursive https://github.com/wineasio/wineasio.git || true
    pushd wineasio/
    git pull
    rm -rf build32/ build64/
    make 32
    make 64
    popd

    # :: lib32-pipewire-jack and lib32-jack2 are in conflict (lib32-jack). Remove lib32-jack2? [y/N] y
    # :: pipewire-jack and jack2 are in conflict (jack). Remove jack2? [y/N] y 
    sudo pacman -S lib32-pipewire-jack pipewire-jack
}

_install() {
    pushd wineasio/

    sudo cp build32/wineasio.dll /usr/lib32/wine/i386-windows/wineasio.dll
    sudo cp build32/wineasio.dll.so /usr/lib32/wine/i386-unix/wineasio.dll.so
    sudo cp build64/wineasio.dll /usr/lib/wine/x86_64-windows/wineasio.dll
    sudo cp build64/wineasio.dll.so /usr/lib/wine/x86_64-unix/wineasio.dll.so

    cp build32/wineasio.dll "$PROTON/lib/wine/i386-windows/"
    cp build32/wineasio.dll.so "$PROTON/lib/wine/i386-unix/"
    cp build64/wineasio.dll "$PROTON/lib64/wine/x86_64-windows/"
    cp build64/wineasio.dll.so "$PROTON/lib64/wine/x86_64-unix/"

    popd
}

_register() {
    WINEPREFIX=$STEAMLIBRARY/steamapps/compatdata/221680/pfx regsvr32 /usr/lib32/wine/i386-windows/wineasio.dll
    WINEPREFIX=$STEAMLIBRARY/steamapps/compatdata/221680/pfx wine64 regsvr32 /usr/lib/wine/x86_64-windows/wineasio.dll
}

_run() {
    echo >&2 "Use Proton script generated with PROTON_DUMP_DEBUG_COMMANDS=1 instead."
    exit 1

    # cd "$STEAMLIBRARY_GAME/steamapps/common/Rocksmith2014"
    # export PIPEWIRE_LATENCY=256/48000
    # export WINEPREFIX=$STEAMLIBRARY/steamapps/compatdata/221680/pfx
    # exec "$PROTON/bin/wine" Rocksmith2014.exe

    # PROTON_LOG=1 PROTON_DUMP_DEBUG_COMMANDS=1 PROTON_DEBUG_DIR=~/.rocksmith2014 %command%

    # PIPEWIRE_LATENCY=256/48000 %command%
}

_reinstall() {
    _deps
    _build
    _install
    _register
}

for _action in "${@:-_reinstall}"; do
    $_action
done

is this script work with rs_asio?

Yeah, it was written for compatibility with rs_asio. However, since then I moved to Flatpak setup. You might have a look at https://github.com/Siarkowy/com.valvesoftware.Steam.CompatibilityTool.WineASIO.