matterbridge-roborock-vacuum-plugin/dist/roborockCommunication/map/b01/b01Q10MapParser.js

Matterbridge Roborock Vacuum Plugin

import { decompressLz4Block } from './lz4BlockDecompressor.js';
const ROOM_RECORD_SIZE = 47;
const HEADER_SIZE = 29;
export function parseQ10MapPacket(payload) {
    if (payload.length < HEADER_SIZE || payload[0] !== 0x01 || payload[1] !== 0x01) {
        throw new Error('Q10 map packet: invalid header or unrecognized marker bytes');
    }
    const mapId = payload.readUInt32BE(2);
    const width = payload.readUInt16BE(7);
    const height = payload.readUInt16BE(9);
    const compressedLength = payload.readUInt16BE(27);
    if (width <= 0 || height <= 0 || HEADER_SIZE + compressedLength > payload.length) {
        throw new Error('Q10 map packet: invalid width/height or compressed length out of bounds');
    }
    const decoded = decompressLz4Block(payload.subarray(HEADER_SIZE, HEADER_SIZE + compressedLength));
    const gridSize = width * height;
    const roomSection = decoded.subarray(gridSize);
    if (roomSection.length < 2 || roomSection[0] !== 0x01) {
        throw new Error('Q10 map packet: unrecognized room-section layout after grid split');
    }
    const roomCount = roomSection[1];
    const rooms = [];
    for (let i = 0; i < roomCount; i++) {
        const recordStart = 2 + i * ROOM_RECORD_SIZE;
        const recordEnd = recordStart + ROOM_RECORD_SIZE;
        if (recordEnd > roomSection.length) {
            break;
        }
        const record = roomSection.subarray(recordStart, recordEnd);
        const roomId = record.readUInt16BE(0);
        const nameLength = Math.min(record[26], record.length - 27);
        const roomName = record.subarray(27, 27 + nameLength).toString('utf8');
        rooms.push({ roomId, roomName });
    }
    return { rooms, mapId, currentPose: undefined, roomMatrix: undefined };
}
//# sourceMappingURL=b01Q10MapParser.js.map