66 lines
1.7 KiB
JavaScript
66 lines
1.7 KiB
JavaScript
import Core from './core.js'
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export default class armagetron extends 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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async run (state) {
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const b = Buffer.from([0, 0x35, 0, 0, 0, 0, 0, 0x11])
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const buffer = await this.udpSend(b, b => b)
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const reader = this.reader(buffer)
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reader.skip(6)
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state.gamePort = 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.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.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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}
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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 this.options.stripColors ? str.replace(/0x[0-9a-f]{6}/g, '') : str
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}
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}
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