minime/src/idz/decoder/loadTopTen1.ts

import { ExtId, RouteNo } from "../model/base";
import { Team } from "../model/team";
import {
  LoadTopTenRequest,
  LoadTopTenRequestSelector,
} from "../request/loadTopTen";
import { AimeId } from "../../model";

loadTopTen1.msgCode = 0x00b5;
loadTopTen1.msgLen = 0x00e0;

export function loadTopTen1(buf: Buffer): LoadTopTenRequest {
  const selectors = new Array<LoadTopTenRequestSelector>();

  for (let i = 0; i < 32; i++) {
    selectors.push({
      routeNo: (buf.readUInt16LE(0x0004 + 2 * i) >> 1) as RouteNo,
      minTimestamp: new Date(buf.readUInt32LE(0x0044 + 4 * i) * 1000 + 1000),
    });
  }

  const profileId = buf.readUInt32LE(0x00c8);
  const teamId = buf.readUInt32LE(0x00cc);

  return {
    type: "load_top_ten_req",
    field_2: buf.readUInt16LE(0x0002), // Bitmask selector
    selectors,
    field_C4: buf.readUInt8(0x00c4), // Boolean, true if profile ID is set
    field_C5: buf.readUInt8(0x00c5), // Always zero
    field_C6: buf.readUInt16LE(0x00c6),
    aimeId: profileId !== 0 ? (profileId as AimeId) : undefined,
    teamId: teamId !== 0xffffffff ? (teamId as ExtId<Team>) : undefined,
  };
}