マイクラの /assets/objects/ から、ogg音源を取り出すNodeスクリプト

pickup_ogg_file.js

console.log("start");

var fs = require('fs');

const MINECRAFT_PATH = "<need specified your minecraft dir path>/minecraft/";
const SPATH = MINECRAFT_PATH + "assets/objects/";
const DPATH = "<need specified your destination dir path>/";

var json = require(MINECRAFT_PATH + 'assets/indexes/1.8.json');
var o = json.objects;

for( var key in o ){
  if( /.*\.ogg$/.test(key)){
    var swap_key = key.replace(/\//g, "_");

    var hash = o[key].hash;
    var dir = hash.substr(0, 2);
    console.log(key, dir + "/" + hash);

    var stat = fs.statSync( SPATH + dir + "/" + hash );

    var ws = fs.createWriteStream( DPATH + swap_key );
    fs.createReadStream( SPATH + dir + "/" + hash).pipe( ws );
  }
}