mirror of
https://github.com/gamedig/node-gamedig.git
synced 2024-09-07 03:21:29 +02:00
161 lines
5.7 KiB
JavaScript
161 lines
5.7 KiB
JavaScript
const async = require('async');
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class Battlefield extends require('./core') {
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constructor() {
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super();
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this.encoding = 'latin1';
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this.isBadCompany2 = false;
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}
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run(state) {
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async.series([
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(c) => {
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this.query(['serverInfo'], (data) => {
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if(this.debug) console.log(data);
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if(data.shift() !== 'OK') return this.fatal('Missing OK');
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state.raw.name = data.shift();
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state.raw.numplayers = parseInt(data.shift());
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state.maxplayers = parseInt(data.shift());
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state.raw.gametype = data.shift();
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state.map = data.shift();
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state.raw.roundsplayed = parseInt(data.shift());
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state.raw.roundstotal = parseInt(data.shift());
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const teamCount = data.shift();
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state.raw.teams = [];
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for(let i = 0; i < teamCount; i++) {
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const tickets = parseFloat(data.shift());
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state.raw.teams.push({
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tickets:tickets
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});
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}
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state.raw.targetscore = parseInt(data.shift());
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data.shift();
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state.raw.ranked = (data.shift() === 'true');
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state.raw.punkbuster = (data.shift() === 'true');
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state.password = (data.shift() === 'true');
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state.raw.uptime = parseInt(data.shift());
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state.raw.roundtime = parseInt(data.shift());
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if(this.isBadCompany2) {
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data.shift();
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data.shift();
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}
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state.raw.ip = data.shift();
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state.raw.punkbusterversion = data.shift();
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state.raw.joinqueue = (data.shift() === 'true');
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state.raw.region = data.shift();
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if(!this.isBadCompany2) {
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state.raw.pingsite = data.shift();
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state.raw.country = data.shift();
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state.raw.quickmatch = (data.shift() === 'true');
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}
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c();
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});
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},
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(c) => {
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this.query(['version'], (data) => {
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if(this.debug) console.log(data);
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if(data[0] !== 'OK') return this.fatal('Missing OK');
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state.raw.version = data[2];
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c();
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});
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},
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(c) => {
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this.query(['listPlayers','all'], (data) => {
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if(this.debug) console.log(data);
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if(data.shift() !== 'OK') return this.fatal('Missing OK');
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const fieldCount = parseInt(data.shift());
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const fields = [];
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for(let i = 0; i < fieldCount; i++) {
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fields.push(data.shift());
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}
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const numplayers = data.shift();
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for(let i = 0; i < numplayers; i++) {
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const player = {};
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for (let key of fields) {
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let value = data.shift();
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if(key === 'teamId') key = 'team';
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else if(key === 'squadId') key = 'squad';
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if(
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key === 'kills'
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|| key === 'deaths'
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|| key === 'score'
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|| key === 'rank'
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|| key === 'team'
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|| key === 'squad'
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|| key === 'ping'
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|| key === 'type'
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) {
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value = parseInt(value);
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}
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player[key] = value;
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}
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state.players.push(player);
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}
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this.finish(state);
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});
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}
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]);
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}
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query(params,c) {
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this.tcpSend(buildPacket(params), (data) => {
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const decoded = this.decodePacket(data);
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if(!decoded) return false;
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c(decoded);
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return true;
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});
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}
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decodePacket(buffer) {
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if(buffer.length < 8) return false;
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const reader = this.reader(buffer);
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const header = reader.uint(4);
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const totalLength = reader.uint(4);
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if(buffer.length < totalLength) return false;
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const paramCount = reader.uint(4);
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const params = [];
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for(let i = 0; i < paramCount; i++) {
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const len = reader.uint(4);
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params.push(reader.string({length:len}));
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const strNull = reader.uint(1);
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}
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return params;
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}
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}
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function buildPacket(params) {
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const paramBuffers = [];
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for (const param of params) {
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paramBuffers.push(Buffer.from(param,'utf8'));
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}
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let totalLength = 12;
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for (const paramBuffer of paramBuffers) {
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totalLength += paramBuffer.length+1+4;
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}
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const b = Buffer.alloc(totalLength);
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b.writeUInt32LE(0,0);
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b.writeUInt32LE(totalLength,4);
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b.writeUInt32LE(params.length,8);
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let offset = 12;
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for (const paramBuffer of paramBuffers) {
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b.writeUInt32LE(paramBuffer.length, offset); offset += 4;
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paramBuffer.copy(b, offset); offset += paramBuffer.length;
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b.writeUInt8(0, offset); offset += 1;
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}
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return b;
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}
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module.exports = Battlefield; |