PKHeX/PKHeX.Core/Saves/Storage/Bank7.cs
Kurt 0087ccb44f Use span for savefile slot API
No more offset fetch
2023-03-25 23:14:50 -07:00

55 lines
2.3 KiB
C#
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using System;
using static System.Buffers.Binary.BinaryPrimitives;
namespace PKHeX.Core;
/// <summary>
/// Generation 7 <see cref="SaveFile"/> object that reads from Pokémon Bank savedata (stored on AWS).
/// </summary>
public sealed class Bank7 : BulkStorage
{
public Bank7(byte[] data, Type t, int start, int slotsPerBox = 30) : base(data, t, start, slotsPerBox) => Version = GameVersion.USUM;
public override PersonalTable7 Personal => PersonalTable.USUM;
public override ReadOnlySpan<ushort> HeldItems => Legal.HeldItems_SM;
protected override Bank7 CloneInternal() => new((byte[])Data.Clone(), PKMType, BoxStart, SlotsPerBox);
public override string PlayTimeString => $"{Year:00}{Month:00}{Day:00}_{Hours:00}ː{Minutes:00}";
protected internal override string ShortSummary => PlayTimeString;
private const int GroupNameSize = 0x20;
private const int BankNameSize = 0x24;
private const int GroupNameSpacing = GroupNameSize + 2;
private const int BankNameSpacing = BankNameSize + 2;
public ulong UID => ReadUInt64LittleEndian(Data.AsSpan(0));
public string GetGroupName(int group)
{
if ((uint)group > 10)
throw new ArgumentOutOfRangeException(nameof(group), $"{nameof(group)} must be 0-10.");
int offset = 0x8 + (GroupNameSpacing * group) + 2; // skip over " "
return GetString(Data.AsSpan(offset, GroupNameSize / 2));
}
public override int BoxCount => BankCount;
private int BankCount
{
get => Data[0x15E];
set => Data[0x15E] = (byte)value;
}
private int Year => ReadUInt16LittleEndian(Data.AsSpan(0x160));
private int Month => Data[0x162];
private int Day => Data[0x163];
private int Hours => Data[0x164];
private int Minutes => Data[0x165];
private int BoxDataSize => (SlotsPerBox * SIZE_STORED) + BankNameSpacing;
public override int GetBoxOffset(int box) => Box + (BoxDataSize * box);
public override string GetBoxName(int box) => GetString(Data.AsSpan(GetBoxNameOffset(box), BankNameSize / 2));
public int GetBoxNameOffset(int box) => GetBoxOffset(box) + (SlotsPerBox * SIZE_STORED);
public int GetBoxIndex(int box) => ReadUInt16LittleEndian(Data.AsSpan(GetBoxNameOffset(box) + BankNameSize));
private const int BoxStart = 0x17C;
public static Bank7 GetBank7(byte[] data) => new(data, typeof(PK7), BoxStart);
}