xml読んでマシン複製するやつ

duplicate.js

'use strict';

var besiege = require('besiege.js');
const Block = require('./block.js');
const parseString = require('xml2js').parseString;
var lines=[];
var reader = require('readline').createInterface({
    input: process.stdin
});
var machine = null;
var block_data = null;

function loadfromxml(xml_string) {
	var mc_obj;
	var data_id_counter = 0;

	block_data = xml_string.match(/<Data>[\s\S]*?<\/Data>/g);
	parseString(xml_string, function (err, result) {
  	mc_obj = result
	});
	machine = new besiege.Machine({
		name: "c" + mc_obj["Machine"]["$"]["name"],
		position: mc_obj["Machine"]["Global"][0]["Position"][0]["$"],
		rotation: mc_obj["Machine"]["Global"][0]["Rotation"][0]["$"]
	});
	mc_obj["Machine"]["Blocks"][0]["Block"].forEach((e) => {
		if(e["Data"][0] == ""){
			machine.add(new Block({
			  id: e["$"]["id"],
				position: e["Transform"][0]["Position"][0]["$"],
				rotation: e["Transform"][0]["Rotation"][0]["$"],
				scale: e["Transform"][0]["Scale"][0]["$"],
			}));
		}else{
			machine.add(new Block({
			  id: e["$"]["id"],
				position: e["Transform"][0]["Position"][0]["$"],
				rotation: e["Transform"][0]["Rotation"][0]["$"],
				scale: e["Transform"][0]["Scale"][0]["$"],
				vector3: {				 // this vector is flag of block data exists
					x: data_id_counter,
					y: 50000,
					z: 50000
				}
			}));
			data_id_counter++;
		}
	});
}

function duplicate(vector3){
	if(machine == null){ return; }
	machine.blocks.forEach((e) => {
		machine.add(new Block({
			id: e.id,
			position: {
				x: parseFloat(e.position['x']) + vector3['x'],
				y: parseFloat(e.position['y']) + vector3['y'],
				z: parseFloat(e.position['z']) + vector3['z']
			},
			rotation: e.rotation,
			scale: e.scale,
			vector3: e.vector3
		}));
	})
	var xml = machine.toString();
	if(block_data != null){
		block_data.forEach((e, i) => {
			var regexp = new RegExp("<Data>\n.*\n.*\n.*\n.*\n.*\n.*\n.*<X>"+i+"</X>.*\n.*\n.*\n.*\n.*<\/Data>", 'g');
			// this regexp matches flag of block data exists
			xml = xml.replace(regexp, e);
		});
	}
	console.log(xml);
}

var lines = [];
reader.on('line', function (line) {
  lines.push(line);
});
reader.on('close', function () {
	loadfromxml(lines.join(''));
	duplicate({
		x:0,
		y:15,
		z:0
	})

});