packages/betacraft.nix


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{
  lib,
  stdenv,
  fetchurl,
  makeWrapper,
  makeDesktopItem,
  copyDesktopItems,
  jre8,
  libxxf86vm,
  libGL,
  openal,
  pulseaudio,
  xrandr
}:
stdenv.mkDerivation rec {
    pname = "betacraft";
    version = "1.09_17";

    launcherjar = fetchurl {
        url = "https://github.com/betacraftuk/betacraft-launcher/releases/download/${version}/launcher-${version}.jar";
        hash = "sha256-CMemX7mrCa5d9kQJN1/ryeBnJ/s6yz3aHq9ym4WWWOM";
    };

    nativeBuildInputs = [
        makeWrapper
        copyDesktopItems
    ];

    runtimeLibs = lib.makeLibraryPath ([
        libxxf86vm
        libGL
        openal
    ]);

    runtimeBins = lib.makeBinPath ([
        xrandr
    ]);

    desktopItems = [
        (makeDesktopItem {
            name = "betacraft";
            desktopName = "Betacraft Launcher";
            exec = "betacraft";
            categories = [ "Game" ];
        })
    ];
    
    phases = [ "installPhase" "preFixup" ];

    installPhase = ''
        runHook preInstall
        mkdir -p $out/share/betacraft $out/bin
        cp -r ${launcherjar} $out/share/betacraft/launcher-${version}.jar
        runHook postInstall
    '';
    preFixup = ''
        makeWrapper ${pulseaudio}/bin/padsp $out/bin/betacraft \
            --prefix LD_LIBRARY_PATH : "${runtimeLibs}" \
            --prefix PATH : "${runtimeBins}" \
            --set DISPLAY ":0" \
            --add-flags ${jre8}/lib/openjdk/jre/bin/java \
            --add-flags -jar \
            --add-flags $out/share/betacraft/launcher-${version}.jar
    '';
}