Files
2024-10-22 09:10:22 -05:00

508 lines
16 KiB
JavaScript

/* eslint-disable no-bitwise */
class Console {
constructor() {
this.sportInitialized = false;
this.state = {
time: {},
home: {},
guest: {},
};
}
reset() {
this.sportInitialized = false;
delete this.sport;
this.propertiesToDelete = [];
this.state = {
time: {},
home: {},
guest: {},
};
}
/**
*
* @param {Buffer} buffer
*/
update(buffer) {
if (buffer.at(0) === 0xfc && buffer.at(1) === 0xfc) {
this.latestPacket = {
hex: buffer.toString('hex'),
buffer,
};
this.parseCommon();
switch (this.latestPacket.buffer.at(2)) {
case 0x51:
this.sport = 'basketball';
this.parseBasketball();
break;
case 0x61:
this.sport = 'football';
this.parseFootball();
break;
case 0x70:
this.sport = 'volleyball';
this.parseVolleyball();
break;
case 0x71:
this.sport = 'baseball';
this.parseBaseball();
break;
case 0x16:
this.sport = 'soccer';
this.parseSoccer();
break;
case 0x60:
this.sport = 'wrestling';
this.parseWrestling();
break;
case 0x40:
this.sport = 'hockey';
this.parseHockey();
break;
case 0x85:
this.sport = 'auto_racing';
this.parseAutoRacing();
break;
case 0x82:
this.sport = 'track';
this.parseTrack();
break;
case 0x59:
this.sport = 'whirley';
this.parseWhirley();
break;
case 0x67:
this.sport = 'segment';
throw new Error('Segment is not implemented');
default:
console.log(`unidentified sport data: ${buffer.toString('hex')}`);
break;
}
if (this.propertiesToDelete) {
this.propertiesToDelete.forEach((property) => {
delete this.state[property];
});
}
}
}
parseCommon() {
this.state.time.minutes = this.latestPacket.buffer.subarray(5, 6).toString('hex');
this.state.time.seconds = this.latestPacket.buffer.subarray(6, 7).toString('hex');
this.state.time.tenths = this.latestPacket.hex.substring(15, 16);
this.state.time.showTenths = (this.latestPacket.buffer.at(4) & 16) !== 0;
this.state.time.display = `${this.state.time.minutes}:${this.state.time.seconds}`;
if (this.state.time.showTenths) {
this.state.time.display += `.${this.state.time.tenths}`;
}
this.state.auxTime = this.latestPacket.buffer.subarray(8, 9).toString('hex');
if (this.state.auxTime === 'aa') {
this.state.auxTime = '';
}
this.state.aux2Time = this.latestPacket.buffer.subarray(9, 10).toString('hex');
if (this.state.aux2Time === 'aa') {
this.state.aux2Time = '';
}
const hornBinaryFlags = this.latestPacket.buffer.at(4).toString(2).padStart(8, '0');
this.state.horn = hornBinaryFlags[0] === '1';
this.state.auxHorn = hornBinaryFlags[1] === '1';
this.state.showTimeOfDay = this.latestPacket.buffer.at(5) === 0xff && this.latestPacket.buffer.at(6) === 0xff;
if (this.latestPacket.buffer.at(10) === 0x11) {
this.state.period = parseInt(this.latestPacket.hex.substring(31, 32), 10);
if (this.state.home && this.state.guest) {
const homeBinaryInfo = this.latestPacket.buffer.at(12).toString(2).padStart(8, '0');
const guestBinaryInfo = this.latestPacket.buffer.at(14).toString(2).padStart(8, '0');
this.state.home.score = this.getInt(this.latestPacket.buffer.at(11));
if (homeBinaryInfo[0] === '1') {
this.state.home.score += 100;
}
this.state.guest.score = this.getInt(this.latestPacket.buffer.at(13));
if (guestBinaryInfo[0] === '1') {
this.state.guest.score += 100;
}
this.state.home.poss = homeBinaryInfo[7] === '1';
this.state.guest.poss = guestBinaryInfo[7] === '1';
this.state.home.doubleBonus = homeBinaryInfo[3] === '1';
this.state.home.bonus = homeBinaryInfo[4] === '1';
this.state.guest.doubleBonus = guestBinaryInfo[3] === '1';
this.state.guest.bonus = guestBinaryInfo[4] === '1';
this.state.home.timeouts = this.latestPacket.buffer.at(20) >> 4;
this.state.guest.timeouts = this.latestPacket.buffer.at(20) & 15;
}
}
}
parseBaseball() {
if (!this.sportInitialized) {
this.propertiesToDelete = [
'home.bonus',
'guest.bonus',
'home.doubleBonus',
'guest.doubleBonus',
'home.poss',
'guest.poss',
'home.timeouts',
'guest.timeouts',
'auxTime',
'aux2Time',
'period',
'auxHorn',
];
this.state.bases = {
first: false,
second: false,
third: false,
};
this.sportInitialized = true;
}
const seqNum = this.latestPacket.buffer.at(10);
if (seqNum === 0x11) {
this.state.inning = this.state.period;
this.state.guest.hits = parseInt(this.latestPacket.buffer.subarray(23, 24).toString('hex'), 10);
this.state.home.hits = parseInt(this.latestPacket.buffer.subarray(22, 23).toString('hex'), 10);
this.state.batter = this.latestPacket.buffer.subarray(21, 22).toString('hex');
if (this.state.batter === 'aa') {
this.state.batter = '';
}
this.state.home.pitcher = parseInt(this.latestPacket.buffer.subarray(26, 27).toString('hex'), 10);
this.state.guest.pitcher = parseInt(this.latestPacket.buffer.subarray(24, 25).toString('hex'), 10);
const baseBinaryInfo = this.latestPacket.buffer.at(19).toString(2).padStart(8, '0');
this.state.bases.first = baseBinaryInfo[3] === '1';
this.state.bases.second = baseBinaryInfo[2] === '1';
this.state.bases.third = baseBinaryInfo[1] === '1';
this.state.outs = parseInt(this.latestPacket.hex.substring(37, 38), 10);
this.state.strikes = parseInt(this.latestPacket.hex.substring(36, 37), 10);
this.state.balls = parseInt(this.latestPacket.hex.substring(39, 40), 10);
const binaryFlags = this.latestPacket.buffer.at(12).toString(2).padStart(8, '0');
this.state.hit = binaryFlags[4] === '1';
} else if (seqNum === 0x22) {
this.state.innings = [];
const guestInningStartIndex = 11;
const homeInningStartIndex = 21;
for (let i = 0; i < 10; i += 1) {
const inning = {
inningNum: i + 1,
home: {},
guest: {},
};
const guestInningScore = this.latestPacket.buffer
.subarray(guestInningStartIndex + i, guestInningStartIndex + i + 1)
.toString('hex');
if (guestInningScore !== '0a') {
inning.guest.score = parseInt(guestInningScore, 10);
}
const homeInningScore = this.latestPacket.buffer
.subarray(homeInningStartIndex + i, homeInningStartIndex + i + 1)
.toString('hex');
if (homeInningScore !== '0a') {
inning.home.score = parseInt(homeInningScore, 10);
}
this.state.innings.push(inning);
}
}
}
/**
*
* @param {Buffer} buffer
*/
parseFootball() {
if (!this.sportInitialized) {
this.sportInitialized = true;
this.propertiesToDelete = [
'home.bonus',
'guest.bonus',
'home.doubleBonus',
'guest.doubleBonus',
'auxTime',
'aux2Time',
'period',
'auxHorn',
];
}
this.state.playClock = this.state.auxTime;
const seqNum = this.latestPacket.buffer.at(10);
if (seqNum === 0x11) {
this.state.quarter = this.state.period;
this.state.down = parseInt(this.latestPacket.hex.substring(39, 40), 10);
this.state.yardsToGo = this.getInt(this.latestPacket.buffer.at(18));
this.state.ballOn = this.getInt(this.latestPacket.buffer.at(21));
}
}
parseVolleyball() {
if (!this.sportInitialized) {
this.propertiesToDelete = [
'home.bonus',
'guest.bonus',
'home.doubleBonus',
'guest.doubleBonus',
'auxTime',
'aux2Time',
];
this.sportInitialized = true;
}
const seqNum = this.latestPacket.buffer.at(10);
if (seqNum === 0x11) {
this.state.home.gamesWon = parseInt(this.latestPacket.hex.substring(32, 34), 10);
this.state.guest.gamesWon = parseInt(this.latestPacket.hex.substring(34, 36), 10);
}
}
parseBasketball() {
if (!this.sportInitialized) {
this.sportInitialized = true;
this.propertiesToDelete = ['home.doubleBonus', 'guest.doubleBonus', 'auxTime', 'aux2Time'];
}
this.state.shotClock = {
seconds: this.state.auxTime,
tenths: this.state.aux2Time === '0a' ? '0' : parseInt(this.state.aux2Time, 10).toString(),
};
this.state.shotClock.display = `${this.state.shotClock.seconds}`;
const seqNum = this.latestPacket.buffer.at(10);
if (seqNum === 0x11) {
this.state.home.fouls = parseInt(this.latestPacket.hex.substring(32, 34), 10);
this.state.guest.fouls = parseInt(this.latestPacket.hex.substring(34, 36), 10);
this.state.playerNum = parseInt(this.latestPacket.hex.substring(36, 38), 10);
this.state.playerFoul = parseInt(this.latestPacket.hex.substring(39, 40), 10);
}
// TODO(jwetzell): decode player stats in seqNum >= 22
}
parseWrestling() {
if (!this.sportInitialized) {
this.propertiesToDelete = [
'home.doubleBonus',
'guest.doubleBonus',
'home.poss',
'guest.poss',
'auxTime',
'aux2Time',
];
this.sportInitialized = true;
}
this.state.advantage = {
minutes: this.state.aux2Time,
seconds: this.state.auxTime,
};
const seqNum = this.latestPacket.buffer.at(10);
if (seqNum === 0x11) {
this.state.home.advantage = this.state.home.poss;
this.state.guest.advantage = this.state.guest.poss;
this.state.home.boutScore = this.getInt(this.latestPacket.buffer.at(16));
this.state.guest.boutScore = this.getInt(this.latestPacket.buffer.at(17));
this.state.weight =
this.getInt(this.latestPacket.buffer.at(18)) + this.getInt(this.latestPacket.buffer.at(19)) * 100;
}
}
parseAutoRacing() {
if (!this.sportInitialized) {
this.propertiesToDelete = ['home', 'guest', 'auxTime', 'aux2Time', 'auxHorn', 'period'];
this.sportInitialized = true;
}
const seqNum = this.latestPacket.buffer.at(10);
if (seqNum === 0x11) {
this.state.lap =
this.getInt(this.latestPacket.buffer.at(19)) * 100 + this.getInt(this.latestPacket.buffer.at(20));
this.state.positions = [];
for (let i = 0; i < 10; i += 1) {
const positionByte = this.latestPacket.buffer.at(21 + i);
if (positionByte !== 0xaa) {
this.state.positions.push(this.getInt(positionByte));
}
}
}
}
parseSoccer() {
if (!this.sportInitialized) {
this.propertiesToDelete = [
'home.bonus',
'guest.bonus',
'home.doubleBonus',
'guest.doubleBonus',
'auxTime',
'aux2Time',
'auxHorn',
'period',
];
this.sportInitialized = true;
}
const seqNum = this.latestPacket.buffer.at(10);
if (seqNum === 0x11) {
this.half = this.period;
this.state.home.shotsOnGoal = this.getInt(this.latestPacket.buffer.at(16));
this.state.guest.shotsOnGoal = this.getInt(this.latestPacket.buffer.at(17));
this.state.home.cornerKicks = this.getInt(this.latestPacket.buffer.at(21));
this.state.guest.cornerKicks = this.getInt(this.latestPacket.buffer.at(22));
}
}
parseHockey() {
if (!this.sportInitialized) {
this.sportInitialized = true;
}
const seqNum = this.latestPacket.buffer.at(10);
if (seqNum === 0x11) {
this.state.home.shotsOnGoal = this.getInt(this.latestPacket.buffer.at(16));
this.state.guest.shotsOnGoal = this.getInt(this.latestPacket.buffer.at(17));
this.state.home.saves = this.getInt(this.latestPacket.buffer.at(21));
this.state.guest.saves = this.getInt(this.latestPacket.buffer.at(22));
}
if (seqNum === 0x22) {
this.state.home.penalties = [];
this.state.guest.penalties = [];
for (let i = 0; i < 2; i += 1) {
const startIndex = 11 + i * 3;
if (this.latestPacket.buffer.at(startIndex) !== 0xaa) {
const penaltyClock = {
minutes: this.latestPacket.buffer.subarray(startIndex, startIndex + 1).toString('hex'),
seconds: this.latestPacket.buffer.subarray(startIndex + 1, startIndex + 2).toString('hex'),
};
penaltyClock.display = `${penaltyClock.minutes}:${penaltyClock.seconds}`;
this.state.home.penalties.push({
clock: penaltyClock,
playerNum: this.getInt(this.latestPacket.buffer.at(startIndex + 2)),
});
}
}
for (let i = 0; i < 2; i += 1) {
const startIndex = 17 + i * 3;
if (this.latestPacket.buffer.at(startIndex) !== 0xaa) {
const penaltyClock = {
minutes: this.latestPacket.buffer.subarray(startIndex, startIndex + 1).toString('hex'),
seconds: this.latestPacket.buffer.subarray(startIndex + 1, startIndex + 2).toString('hex'),
};
penaltyClock.display = `${penaltyClock.minutes}:${penaltyClock.seconds}`;
this.state.guest.penalties.push({
clock: penaltyClock,
playerNum: this.getInt(this.latestPacket.buffer.at(startIndex + 2)),
});
}
}
}
}
parseTrack() {
if (!this.sportInitialized) {
this.propertiesToDelete = [
'home.timeouts',
'guest.timeouts',
'home.bonus',
'guest.bonus',
'home.doubleBonus',
'guest.doubleBonus',
'auxTime',
'aux2Time',
'period',
'auxHorn',
];
this.sportInitialized = true;
}
const seqNum = this.latestPacket.buffer.at(10);
if (seqNum === 0x11) {
this.state.place = this.latestPacket.buffer.at(18);
this.state.heat = this.latestPacket.buffer.at(15) & 15;
this.state.lane = this.latestPacket.buffer.at(19);
this.state.event = this.getInt(this.latestPacket.buffer.at(21));
this.state.teamScores = [];
this.state.teamScores.push(this.state.home.score);
this.state.teamScores.push(this.state.guest.score);
this.state.teamScores.push(this.getInt(this.latestPacket.buffer.at(16)));
this.state.teamScores.push(this.getInt(this.latestPacket.buffer.at(17)));
this.state.teamScores.push(this.getInt(this.latestPacket.buffer.at(22)));
this.state.teamScores.push(this.getInt(this.latestPacket.buffer.at(23)));
}
}
parseWhirley() {
if (!this.sportInitialized) {
this.propertiesToDelete = [
'home.timeouts',
'guest.timeouts',
'home.bonus',
'guest.bonus',
'home.doubleBonus',
'guest.doubleBonus',
'auxTime',
'aux2Time',
];
this.sportInitialized = true;
}
this.state.key = this.state.aux2Time;
}
/**
*
* @param {number} packedNumber
*/
getInt(packedNumber) {
let originalValue = packedNumber;
let num = ((originalValue >> 4) & 15) * 10;
if (num > 90) {
num = 0;
}
if ((originalValue & 15) > 9) {
originalValue = 0x00;
}
return num + (originalValue & 15);
}
toJSON() {
return {
sport: this.sport,
...this.state,
};
}
}
module.exports = {
Console,
Packets: {
START_LIVE: Buffer.from([...[0xfb, 0xb1, 0, 0, 0, 0, 0x54], ...[0xfb, 0xc1, 0, 0, 0, 0, 0x44]]),
STOP_LIVE: Buffer.from([...[0xfb, 0xb0, 0, 0, 0, 0, 0x55], ...[0xfb, 0xc0, 0, 0, 0, 0, 0x45]]),
},
};