nixpkgs/pkgs/tools/games/minecraft/optifine/generic.nix

{ version
, sha256
, lib
, runCommand
, fetchurl
, makeWrapper
, jre
}:

let
  mcVersion = builtins.head (lib.splitString "_" version);
in
runCommand "optifine-${mcVersion}" {
  pname = "optifine";
  inherit version;

  src = fetchurl {
    url = "https://optifine.net/download?f=OptiFine_${version}.jar";
    inherit sha256;
    name = "OptiFine_${version}.jar";
  };

  nativeBuildInputs = [ jre makeWrapper ];

  passthru.updateScript = {
    command = [ ./update.py ];
    supportedFeatures = [ "commit" ];
  };

  meta = with lib; {
    homepage = "https://optifine.net/";
    description = "Minecraft ${mcVersion} optimization mod";
    longDescription = ''
      OptiFine is a Minecraft optimization mod.
      It allows Minecraft to run faster and look better with full support for HD textures and many configuration options.
      This is for version ${mcVersion} of Minecraft.
    '';
    sourceProvenance = with sourceTypes; [ binaryBytecode ];
    license = licenses.unfree;
    maintainers = [ ];
    platforms = platforms.unix;
    mainProgram = "optifine";
  };
} ''
  mkdir -p $out/{bin,lib/optifine}
  cp $src $out/lib/optifine/optifine.jar

  makeWrapper ${jre}/bin/java $out/bin/optifine \
    --add-flags "-jar $out/lib/optifine/optifine.jar"
''