mirror of
https://github.com/gamedig/node-gamedig.git
synced 2024-09-07 03:21:29 +02:00
* Convert to LF? * Modify gitattributes * Force LF * Git --renormalize * Update .gitattributes to enforce eol=lf * Redo CRLF -> LF on remaining files
103 lines
2.9 KiB
JavaScript
103 lines
2.9 KiB
JavaScript
import Core from './core.js'
|
|
|
|
export default class samp extends Core {
|
|
constructor () {
|
|
super()
|
|
this.encoding = 'win1252'
|
|
this.magicHeader = 'SAMP'
|
|
this.responseMagicHeader = null
|
|
this.isVcmp = false
|
|
}
|
|
|
|
async run (state) {
|
|
// read info
|
|
{
|
|
const reader = await this.sendPacket('i')
|
|
if (this.isVcmp) {
|
|
const consumed = reader.part(12)
|
|
state.raw.version = this.reader(consumed).string()
|
|
}
|
|
state.password = !!reader.uint(1)
|
|
state.numplayers = reader.uint(2)
|
|
state.maxplayers = reader.uint(2)
|
|
state.name = reader.pascalString(4)
|
|
state.raw.gamemode = reader.pascalString(4)
|
|
state.raw.map = reader.pascalString(4)
|
|
}
|
|
|
|
// read rules
|
|
if (!this.isVcmp) {
|
|
const reader = await this.sendPacket('r')
|
|
const ruleCount = reader.uint(2)
|
|
state.raw.rules = {}
|
|
for (let i = 0; i < ruleCount; i++) {
|
|
const key = reader.pascalString(1)
|
|
const value = reader.pascalString(1)
|
|
state.raw.rules[key] = value
|
|
}
|
|
}
|
|
|
|
// read players
|
|
// don't even bother if > 100 players, because the server won't respond
|
|
if (state.numplayers < 100) {
|
|
if (this.isVcmp) {
|
|
const reader = await this.sendPacket('c', true)
|
|
if (reader !== null) {
|
|
const playerCount = reader.uint(2)
|
|
for (let i = 0; i < playerCount; i++) {
|
|
const player = {}
|
|
player.name = reader.pascalString(1)
|
|
state.players.push(player)
|
|
}
|
|
}
|
|
} else {
|
|
const reader = await this.sendPacket('d', true)
|
|
if (reader !== null) {
|
|
const playerCount = reader.uint(2)
|
|
for (let i = 0; i < playerCount; i++) {
|
|
const player = {}
|
|
player.id = reader.uint(1)
|
|
player.name = reader.pascalString(1)
|
|
player.score = reader.int(4)
|
|
player.ping = reader.uint(4)
|
|
state.players.push(player)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
async sendPacket (type, allowTimeout) {
|
|
const outBuffer = Buffer.alloc(11)
|
|
outBuffer.write(this.magicHeader, 0, 4)
|
|
const ipSplit = this.options.address.split('.')
|
|
outBuffer.writeUInt8(parseInt(ipSplit[0]), 4)
|
|
outBuffer.writeUInt8(parseInt(ipSplit[1]), 5)
|
|
outBuffer.writeUInt8(parseInt(ipSplit[2]), 6)
|
|
outBuffer.writeUInt8(parseInt(ipSplit[3]), 7)
|
|
outBuffer.writeUInt16LE(this.options.port, 8)
|
|
outBuffer.writeUInt8(type.charCodeAt(0), 10)
|
|
|
|
const checkBuffer = Buffer.from(outBuffer)
|
|
if (this.responseMagicHeader) {
|
|
checkBuffer.write(this.responseMagicHeader, 0, 4)
|
|
}
|
|
|
|
return await this.udpSend(
|
|
outBuffer,
|
|
(buffer) => {
|
|
const reader = this.reader(buffer)
|
|
for (let i = 0; i < checkBuffer.length; i++) {
|
|
if (checkBuffer.readUInt8(i) !== reader.uint(1)) return
|
|
}
|
|
return reader
|
|
},
|
|
() => {
|
|
if (allowTimeout) {
|
|
return null
|
|
}
|
|
}
|
|
)
|
|
}
|
|
}
|