depot/third_party/nixpkgs/pkgs/games/osu-lazer/default.nix

{ lib
, stdenvNoCC
, buildDotnetModule
, fetchFromGitHub
, makeDesktopItem
, copyDesktopItems
, ffmpeg
, alsa-lib
, SDL2
, lttng-ust
, numactl
, dotnetCorePackages
, libglvnd
, xorg
, udev
}:

buildDotnetModule rec {
  pname = "osu-lazer";
  version = "2023.815.0";

  src = fetchFromGitHub {
    owner = "ppy";
    repo = "osu";
    rev = version;
    sha256 = "sha256-Lm/unDa1ADc2zprrgP/a2bOzHb02CwU9gcvhmTOXKIM=";
  };

  projectFile = "osu.Desktop/osu.Desktop.csproj";
  nugetDeps = ./deps.nix;

  nativeBuildInputs = [ copyDesktopItems ];

  runtimeDeps = [
    ffmpeg
    alsa-lib
    SDL2
    lttng-ust
    numactl

    # needed to avoid:
    # Failed to create SDL window. SDL Error: Could not initialize OpenGL / GLES library
    libglvnd

    # needed for the window to actually appear
    xorg.libXi

    # needed to avoid in runtime.log:
    # [verbose]: SDL error log [debug]: Failed loading udev_device_get_action: /nix/store/*-osu-lazer-*/lib/osu-lazer/runtimes/linux-x64/native/libSDL2.so: undefined symbol: _udev_device_get_action
    # [verbose]: SDL error log [debug]: Failed loading libudev.so.1: libudev.so.1: cannot open shared object file: No such file or directory
    udev
  ];

  executables = [ "osu!" ];

  fixupPhase = ''
    runHook preFixup

    for i in 16 32 48 64 96 128 256 512 1024; do
      install -D ./assets/lazer.png $out/share/icons/hicolor/''${i}x$i/apps/osu\!.png
    done

    ln -sft $out/lib/${pname} ${SDL2}/lib/libSDL2${stdenvNoCC.hostPlatform.extensions.sharedLibrary}
    cp -f ${./osu.runtimeconfig.json} "$out/lib/${pname}/osu!.runtimeconfig.json"

    runHook postFixup
  '';

  desktopItems = [(makeDesktopItem {
    desktopName = "osu!";
    name = "osu";
    exec = "osu!";
    icon = "osu!";
    comment = meta.description;
    type = "Application";
    categories = [ "Game" ];
  })];

  meta = with lib; {
    description = "Rhythm is just a *click* away (no score submission or multiplayer, see osu-lazer-bin)";
    homepage = "https://osu.ppy.sh";
    license = with licenses; [
      mit
      cc-by-nc-40
      unfreeRedistributable # osu-framework contains libbass.so in repository
    ];
    maintainers = with maintainers; [ oxalica thiagokokada ];
    platforms = [ "x86_64-linux" ];
    mainProgram = "osu!";
  };
  passthru.updateScript = ./update.sh;
}