mca-file-extractor.js

let fs = require('fs');
let path = require('path');

require('./anvilToNbt')
require('./nbtParser')

let dir = "."

fs.readdirSync(dir).forEach(name => {
    let pathName = path.join(dir, name)
    if(!pathName.match(/\.mca$/))return
    let file = fs.readFileSync(pathName)

    let res = parseFile(file)
    displayResults(res)
})

function parseFile(mca) {
    var nbts = anvilToNbt.getNbts(mca);
    var chunks = [];
    var parser = new nbtParser.NBTParser();
    nbts.forEach(function (nbt) {
        var chunk = parser.parse(nbt);
        chunks.push(chunk);
    });
    return chunks;
}

function displayResults(results) {
    var entities = []
    results.forEach(result => {
        console.log(`${result.Level.xPos}|${result.Level.zPos}|${result.Level.LastUpdate}|${result.Level.InhabitedTime}`)
    });
}