const Core = require('./core'); class Starmade extends Core { constructor() { super(); this.encoding = 'latin1'; this.byteorder = 'be'; } async run(state) { const b = Buffer.from([0x00,0x00,0x00,0x09,0x2a,0xff,0xff,0x01,0x6f,0x00,0x00,0x00,0x00]); const payload = await this.withTcp(async socket => { return await this.tcpSend(socket, b, buffer => { if (buffer.length < 12) return; const reader = this.reader(buffer); const packetLength = reader.uint(4); this.logger.debug("Received packet length: " + packetLength); const timestamp = reader.uint(8); this.logger.debug("Received timestamp: " + timestamp); if (reader.remaining() < packetLength || reader.remaining() < 5) return; const checkId = reader.uint(1); const packetId = reader.uint(2); const commandId = reader.uint(1); const type = reader.uint(1); this.logger.debug("checkId=" + checkId + " packetId=" + packetId + " commandId=" + commandId + " type=" + type); if (checkId !== 0x2a) return; return reader.rest(); }); }); const reader = this.reader(payload); const data = []; state.raw.data = data; while(!reader.done()) { const mark = reader.uint(1); if(mark === 1) { // signed int data.push(reader.int(4)); } else if(mark === 3) { // float data.push(reader.float()); } else if(mark === 4) { // string data.push(reader.pascalString(2)); } else if(mark === 6) { // byte data.push(reader.uint(1)); } } this.logger.debug("Received raw data array", data); if(typeof data[0] === 'number') state.raw.infoVersion = data[0]; if(typeof data[1] === 'number') state.raw.version = data[1]; if(typeof data[2] === 'string') state.name = data[2]; if(typeof data[3] === 'string') state.raw.description = data[3]; if(typeof data[4] === 'number') state.raw.startTime = data[4]; if(typeof data[5] === 'number') state.players = data[5]; if(typeof data[6] === 'number') state.maxplayers = data[6]; } } module.exports = Starmade;