67 lines
1.6 KiB
JavaScript
67 lines
1.6 KiB
JavaScript
class Armagetron 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.byteorder = 'be';
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}
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run(state) {
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const b = Buffer.from([0,0x35,0,0,0,0,0,0x11]);
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this.udpSend(b,(buffer) => {
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const reader = this.reader(buffer);
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reader.skip(6);
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state.raw.port = this.readUInt(reader);
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state.raw.hostname = this.readString(reader);
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state.name = this.stripColorCodes(this.readString(reader));
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state.raw.numplayers = this.readUInt(reader);
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state.raw.versionmin = this.readUInt(reader);
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state.raw.versionmax = this.readUInt(reader);
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state.raw.version = this.readString(reader);
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state.maxplayers = this.readUInt(reader);
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const players = this.readString(reader);
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const list = players.split('\n');
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for(const name of list) {
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if(!name) continue;
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state.players.push({
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name: this.stripColorCodes(name)
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});
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}
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state.raw.options = this.stripColorCodes(this.readString(reader));
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state.raw.uri = this.readString(reader);
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state.raw.globalids = this.readString(reader);
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this.finish(state);
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return true;
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});
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}
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readUInt(reader) {
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const a = reader.uint(2);
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const b = reader.uint(2);
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return (b<<16) + a;
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}
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readString(reader) {
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const len = reader.uint(2);
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if(!len) return '';
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let out = '';
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for(let i = 0; i < len; i += 2) {
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const hi = reader.uint(1);
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const lo = reader.uint(1);
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if(i+1<len) out += String.fromCharCode(lo);
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if(i+2<len) out += String.fromCharCode(hi);
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}
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return out;
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}
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stripColorCodes(str) {
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return str.replace(/0x[0-9a-f]{6}/g,'');
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}
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}
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module.exports = Armagetron;
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