node-gamedig/protocols/tribes1.js

153 lines
5.7 KiB
JavaScript

const Core = require('./core');
class Tribes1 extends Core {
constructor() {
super();
this.encoding = 'latin1';
this.requestByte = 0x62;
this.responseByte = 0x63;
this.challenge = 0x01;
}
async run(state) {
const query = Buffer.alloc(3);
query.writeUInt8(this.requestByte, 0);
query.writeUInt16LE(this.challenge, 1);
const reader = await this.udpSend(query,(buffer) => {
const reader = this.reader(buffer);
const responseByte = reader.uint(1);
if (responseByte !== this.responseByte) {
this.debugLog('Unexpected response byte');
return;
}
const challenge = reader.uint(2);
if (challenge !== this.challenge) {
this.debugLog('Unexpected challenge');
return;
}
const requestByte = reader.uint(1);
if (requestByte !== this.requestByte) {
this.debugLog('Unexpected request byte');
return;
}
return reader;
});
state.raw.gametype = this.readString(reader);
const isStarsiege2009 = state.raw.gametype === 'Starsiege';
state.raw.version = this.readString(reader);
state.name = this.readString(reader);
if (isStarsiege2009) {
state.password = !!reader.uint(1);
state.raw.dedicated = !!reader.uint(1);
state.raw.dropInProgress = !!reader.uint(1);
state.raw.gameInProgress = !!reader.uint(1);
state.raw.playerCount = reader.uint(4);
state.maxplayers = reader.uint(4);
state.raw.teamPlay = reader.uint(1);
state.map = this.readString(reader);
state.raw.cpuSpeed = reader.uint(2);
state.raw.factoryVeh = reader.uint(1);
state.raw.allowTecmix = reader.uint(1);
state.raw.spawnLimit = reader.uint(4);
state.raw.fragLimit = reader.uint(4);
state.raw.timeLimit = reader.uint(4);
state.raw.techLimit = reader.uint(4);
state.raw.combatLimit = reader.uint(4);
state.raw.massLimit = reader.uint(4);
state.raw.playersSent = reader.uint(4);
const teams = {1:'yellow', 2:'blue', 4:'red', 8:'purple'};
while (!reader.done()) {
const player = {};
player.name = this.readString(reader);
const teamId = reader.uint(1);
const team = teams[teamId];
if (team) player.team = teams[teamId];
}
return;
}
state.raw.dedicated = !!reader.uint(1);
state.password = !!reader.uint(1);
state.raw.playerCount = reader.uint(1);
state.maxplayers = reader.uint(1);
state.raw.cpuSpeed = reader.uint(2);
state.raw.mod = this.readString(reader);
state.raw.type = this.readString(reader);
state.map = this.readString(reader);
state.raw.motd = this.readString(reader);
state.raw.teamCount = reader.uint(1);
const teamFields = this.readFieldList(reader);
const playerFields = this.readFieldList(reader);
state.raw.teams = [];
for(let i = 0; i < state.raw.teamCount; i++) {
const teamName = this.readString(reader);
const teamValues = this.readValues(reader);
const teamInfo = {};
for (let i = 0; i < teamValues.length && i < teamFields.length; i++) {
let key = teamFields[i];
let value = teamValues[i];
if (key === 'ultra_base') key = 'name';
if (value === '%t') value = teamName;
if (['score','players'].includes(key)) value = parseInt(value);
teamInfo[key] = value;
}
state.raw.teams.push(teamInfo);
}
for(let i = 0; i < state.raw.playerCount; i++) {
const ping = reader.uint(1) * 4;
const packetLoss = reader.uint(1);
const teamNum = reader.uint(1);
const name = this.readString(reader);
const playerValues = this.readValues(reader);
const playerInfo = {};
for (let i = 0; i < playerValues.length && i < playerFields.length; i++) {
let key = playerFields[i];
let value = playerValues[i];
if (value === '%p') value = ping;
if (value === '%l') value = packetLoss;
if (value === '%t') value = teamNum;
if (value === '%n') value = name;
if (['score','ping','pl','kills','lvl'].includes(key)) value = parseInt(value);
if (key === 'team') {
const teamId = parseInt(value);
if (teamId >= 0 && teamId < state.raw.teams.length && state.raw.teams[teamId].name) {
value = state.raw.teams[teamId].name;
} else {
continue;
}
}
playerInfo[key] = value;
}
state.players.push(playerInfo);
}
}
readFieldList(reader) {
const str = this.readString(reader);
if (!str) return [];
return ('?'+str)
.split('\t')
.map((a) => a.substr(1).trim().toLowerCase())
.map((a) => a === 'team name' ? 'name' : a)
.map((a) => a === 'player name' ? 'name' : a);
}
readValues(reader) {
const str = this.readString(reader);
if (!str) return [];
return str
.split('\t')
.map((a) => a.trim());
}
readString(reader) {
return reader.pascalString(1);
}
}
module.exports = Tribes1;