@jsprismarine/raknet/dist/protocol/AcknowledgePacket.cjs.cjs

Basic RakNet implementation written in TypeScript

'use strict';

Object.defineProperties(exports, { __esModule: { value: true }, [Symbol.toStringTag]: { value: 'Module' } });

const BinaryStream = require('@jsprismarine/jsbinaryutils');
const protocol_Packet = require('./Packet.cjs.cjs');

const _interopDefault = e => e && e.__esModule ? e : { default: e };

const BinaryStream__default = /*#__PURE__*/_interopDefault(BinaryStream);

class AcknowledgePacket extends protocol_Packet.default {
  sequenceNumbers = [];
  decodePayload() {
    this.sequenceNumbers = [];
    const recordCount = this.readUnsignedShort();
    for (let i = 0; i < recordCount; i++) {
      const notRange = this.readBoolean();
      if (notRange) {
        this.sequenceNumbers.push(this.readUnsignedTriadLE());
      } else {
        const start = this.readUnsignedTriadLE();
        const end = this.readUnsignedTriadLE();
        for (let i2 = start; i2 <= end; i2++) {
          this.sequenceNumbers.push(i2);
        }
      }
    }
  }
  encodePayload() {
    const stream = new BinaryStream__default.default();
    this.sequenceNumbers.sort((a, b) => a - b);
    const count = this.sequenceNumbers.length;
    let records = 0;
    if (count > 0) {
      let pointer = 1;
      let start = this.sequenceNumbers[0];
      let last = this.sequenceNumbers[0];
      while (pointer < count) {
        const current = this.sequenceNumbers[pointer++];
        const diff = current - last;
        if (diff === 1) {
          last = current;
        } else if (diff > 1) {
          if (start === last) {
            stream.writeBoolean(true);
            stream.writeUnsignedTriadLE(start);
            start = last = current;
          } else {
            stream.writeBoolean(false);
            stream.writeUnsignedTriadLE(start);
            stream.writeUnsignedTriadLE(last);
            start = last = current;
          }
          ++records;
        }
      }
      if (start === last) {
        stream.writeBoolean(true);
        stream.writeUnsignedTriadLE(start);
      } else {
        stream.writeBoolean(false);
        stream.writeUnsignedTriadLE(start);
        stream.writeUnsignedTriadLE(last);
      }
      ++records;
    }
    this.writeUnsignedShort(records);
    this.write(stream.getBuffer());
  }
}

exports.default = AcknowledgePacket;
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