PKHeX/PKHeX.Core/Saves/Substructures/Gen7/BattleAgency7.cs

using System;

namespace PKHeX.Core
{
    public sealed class BattleAgency7 : SaveBlock
    {
        public BattleAgency7(SAV7USUM sav, int offset) : base(sav) => Offset = offset;

        public int GetSlotOffset(int slot) => Offset + slot switch
        {
            0 => 0,
            1 => PokeCrypto.SIZE_6STORED,
            2 => 0x220,
            _ => throw new ArgumentOutOfRangeException(nameof(slot)),
        };
    }
}