initial commit

packages/lib/index.js

@@ -0,0 +1,124 @@
+class Console {
+  constructor() {
+    this.sportInitialized = false;
+  }
+
+  /**
+   *
+   * @param {Buffer} buffer
+   */
+  update(buffer) {
+    switch (buffer.at(2)) {
+      case 0x51:
+        this.sport = 'basketball';
+        this.parseBasketball(buffer);
+        break;
+      case 0x61:
+        this.sport = 'football';
+        throw new Error('Football is not implemented');
+      case 0x70:
+        this.sport = 'volleyball';
+        throw new Error('Volleyball is not implemented');
+      case 0x71:
+        this.sport = 'baseball';
+        throw new Error('Baseball is not implemented');
+      case 0x16:
+        this.sport = 'soccer';
+        throw new Error('Soccer is not implemented');
+      case 0x60:
+        this.sport = 'wrestling';
+        throw new Error('Wrestling is not implemented');
+      case 0x40:
+        this.sport = 'hockey';
+        throw new Error('Hockey is not implemented');
+      default:
+        console.log(`unidentified sport data: ${buffer.toString('hex')}`);
+        break;
+    }
+  }
+
+  /**
+   *
+   * @param {Buffer} buffer
+   */
+  parseBasketball(buffer) {
+    const bufferHex = buffer.toString('hex');
+    if (!this.sportInitialized) {
+      this.time = {};
+
+      this.shotclock = {};
+
+      this.home = {};
+
+      this.guest = {};
+      this.sportInitialized = true;
+    }
+
+    this.time.minutes = bufferHex.substring(10, 12);
+    this.time.seconds = bufferHex.substring(12, 14);
+    this.time.tenths = bufferHex.substring(15, 16);
+
+    this.time.showTenths = bufferHex.at(8) === '1';
+    this.time.display = `${this.time.minutes}:${this.time.seconds}`;
+
+    if (this.time.showTenths) {
+      this.time.display += `.${this.time.tenths}`;
+    }
+
+    this.shotclock.seconds = bufferHex.substring(16, 18);
+    if (this.shotclock.seconds === 'aa') {
+      this.shotclock.seconds = '00';
+    }
+
+    this.shotclock.tenths = bufferHex.substring(19, 20);
+    if (this.shotclock.tenths === 'a') {
+      this.shotclock.tenths = '0';
+    }
+
+    this.shotclock.display = `${this.shotclock.seconds}.${this.shotclock.tenths}`;
+
+    const seqNum = bufferHex.substring(20, 22);
+    if (seqNum === '11') {
+      const homeBinaryInfo = buffer.at(12).toString(2).padStart(8, '0');
+      const guestBinaryInfo = buffer.at(14).toString(2).padStart(8, '0');
+
+      this.home.score = parseInt(bufferHex.substring(22, 24), 10);
+      if (homeBinaryInfo[0] === '1') {
+        this.home.score += 100;
+      }
+      this.guest.score = parseInt(bufferHex.substring(26, 28), 10);
+      if (guestBinaryInfo[0] === '1') {
+        this.guest.score += 100;
+      }
+
+      this.home.poss = homeBinaryInfo[7] === '1';
+      this.guest.poss = guestBinaryInfo[7] === '1';
+
+      this.home.doubleBonus = homeBinaryInfo[3] === '1';
+      this.home.bonus = homeBinaryInfo[4] === '1';
+
+      this.guest.doubleBonus = guestBinaryInfo[3] === '1';
+      this.guest.bonus = guestBinaryInfo[4] === '1';
+
+      this.home.fouls = parseInt(bufferHex.substring(32, 34), 10);
+      this.guest.fouls = parseInt(bufferHex.substring(34, 36), 10);
+
+      this.home.timeouts = parseInt(bufferHex.substring(40, 41), 10);
+      this.guest.timeouts = parseInt(bufferHex.substring(41, 42), 10);
+
+      this.period = parseInt(bufferHex.substring(31, 32), 10);
+    }
+  }
+}
+
+module.exports = {
+  Console,
+  Packets: {
+    START_LIVE: Buffer.from([
+      ...[0xfb, 0xb1, 0, 0, 0, 0, 0x54],
+      ...[0xfb, 0xc1, 0, 0, 0, 0, 0x44],
+      ...[0xfb, 0xb1, 0, 0, 0, 0, 0x54],
+    ]),
+    STOP_LIVE: Buffer.from([...[0xfb, 0xc0, 0, 0, 0, 0, 0x45], ...[0xfb, 0xb0, 0, 0, 0, 0, 0x55]]),
+  },
+};

packages/lib/package.json

@@ -0,0 +1,12 @@
+{
+  "name": "aas-lib",
+  "version": "0.1.0",
+  "description": "",
+  "main": "index.js",
+  "devDependencies": {},
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "author": "",
+  "license": "ISC"
+}