dmenu-scripts/dmenu-retro

#!/bin/bash

# script to run roms from different systems in their respective emulators

# a functions that list all everything in a directory and gives back the chosen one

source $HOME/.config/dmenu/config

choice (){
    (ls -1 | $DMENU -l 30 -p "Choose your $system rom!")
}

run_rom (){
    # cd into the given directory
    cd "$dir"

    # first choice
    rom=$(choice)

    # first we check if it is a single dot and if it is we exit
    [ "$rom" = "." ] && exit 1

    # if rom is empty we exit
    [ -z "$rom" ] && exit 1

    # run the emulator with the chosen rom
    gamemoderun mangohud --dlsym $emulator "$dir$rom"
    disown $@
}

declare -a systems=(
    "Nintendo - Nintendo Entertainment System (1983-2003)"
    "Sega - Mega Drive - Genesis (1988–1997)"
    "Nintendo - Game Boy (1989-2003)"
    "Nintendo - Super Nintendo Entertainment System (1990-2003)"
    "Sony Playstation (1994–2006)"
    "Nintendo - Nintendo 64 (1996-2002)"
    "Nintendo - Game Boy Color (1998-2003)"
    "Sony Playstation 2 (2000–2013)"
    "Nintendo - Game Boy Advance (2001-2009)"
    "Nintendo Gamecube (2001-2009)"
    "Sony Playstation Portable (2004–2014)"
    "Nintendo DS (2004-2015)"
)


case "$(printf  '%s\n' "${systems[@]}" | $DMENU -l 10 -p "Chose retro console:")" in
    "Nintendo - Nintendo Entertainment System (1983-2003)")
        emulator="fceux"
        system="NES"
        dir="$HOME/Roms/Nintendo - Nintendo Entertainment System/"
        run_rom
        exit
        ;;
    "Nintendo - Nintendo 64 (1996-2002)")
        emulator="mupen64plus-gui"
        system="N64"
        dir="$HOME/Roms/Nintendo - Nintendo 64/"
        run_rom
        exit
        ;;
    "Nintendo - Game Boy Advance (2001-2009)")
        emulator="mgba-qt"
        system="GBA"
        dir="$HOME/Roms/Nintendo - Game Boy Advance/"
        run_rom
        exit
        ;;
    "Nintendo Gamecube (2001-2009)")
        emulator="dolphin-emu"
        system="Gamecube"
        dir="$HOME/Roms/Nintendo Gamecube/"
        run_rom
        exit
        ;;
    "Sony Playstation Portable (2004–2014)")
        emulator="PPSSPPSDL"
        system="PSP"
        dir="$HOME/Roms/Sony Playstation Portable/"
        run_rom
        exit
        ;;
    "Sony Playstation 2 (2000–2013)")
        emulator="pcsx2"
        system="PS2"
        dir="$HOME/Roms/Sony Playstation 2/"
        run_rom
        exit
        ;;
    "Sega - Mega Drive - Genesis (1988–1997)")
        emulator="kega-fusion"
        system="Genesis"
        dir="$HOME/Roms/Sega - Mega Drive - Genesis/"
        run_rom
        exit
        ;;
    "Nintendo - Game Boy (1989-2003)")
        emulator="mgba-qt"
        system="GameBoy"
        dir="$HOME/Roms/Nintendo - Game Boy/"
        run_rom
        exit
        ;;
    "Nintendo - Game Boy Color (1998-2003)")
        emulator="mgba-qt"
        system="GBC"
        dir="$HOME/Roms/Nintendo - Game Boy Color/"
        run_rom
        exit
        ;;
    "Nintendo - Super Nintendo Entertainment System (1990-2003)")
        emulator="snes9x-gtk"
        system="SNES"
        dir="$HOME/Roms/Nintendo - Super Nintendo Entertainment System/"
        run_rom
        exit
        ;;
    "Sony Playstation (1994–2006)")
        emulator="duckstation-nogui"
        system="PSX"
        dir="$HOME/Roms/Sony Playstation/"
        run_rom
        exit
        ;;
    "Nintendo DS (2004-2015)")
        emulator="melonDS"
        system="NDS"
        dir="$HOME/Roms/Nintendo DS/"
        run_rom
        exit
        ;;
esac