PKHeX/PKHeX.Core/Saves/Substructures/Gen7/MysteryBlock7.cs

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using System;
namespace PKHeX.Core;
public sealed class MysteryBlock7(SAV7 sav, Memory<byte> raw) : SaveBlock<SAV7>(sav, raw), IMysteryGiftStorage, IMysteryGiftFlags
{
private const int FlagStart = 0;
private const int MaxReceivedFlag = 2048;
private const int MaxCardsPresent = 48;
// private const int FlagRegionSize = (MaxReceivedFlag / 8); // 0x100
private const int CardStart = FlagStart + (MaxReceivedFlag / 8);
public void ClearReceivedFlags() => Data[..(MaxReceivedFlag / 8)].Clear();
private static int GetGiftOffset(int index)
{
ArgumentOutOfRangeException.ThrowIfGreaterThanOrEqual((uint)index, (uint)MaxCardsPresent);
return CardStart + (index * WC7.Size);
}
private Span<byte> GetCardSpan(int index) => Data.Slice(GetGiftOffset(index), WC7.Size);
public WC7 GetMysteryGift(int index) => new(GetCardSpan(index).ToArray());
public void SetMysteryGift(int index, WC7 wc7)
{
if ((uint)index > MaxCardsPresent)
throw new ArgumentOutOfRangeException(nameof(index));
if (wc7.Data.Length != WC7.Size)
throw new InvalidCastException(nameof(wc7));
SAV.SetData(Data[GetGiftOffset(index)..], wc7.Data);
}
public int MysteryGiftReceivedFlagMax => MaxReceivedFlag;
public bool GetMysteryGiftReceivedFlag(int index)
{
ArgumentOutOfRangeException.ThrowIfGreaterThanOrEqual((uint)index, (uint)MaxReceivedFlag);
return FlagUtil.GetFlag(Data, index); // offset 0
}
public void SetMysteryGiftReceivedFlag(int index, bool value)
{
ArgumentOutOfRangeException.ThrowIfGreaterThanOrEqual((uint)index, (uint)MaxReceivedFlag);
FlagUtil.SetFlag(Data, index, value); // offset 0
}
public int GiftCountMax => MaxCardsPresent;
DataMysteryGift IMysteryGiftStorage.GetMysteryGift(int index) => GetMysteryGift(index);
void IMysteryGiftStorage.SetMysteryGift(int index, DataMysteryGift gift) => SetMysteryGift(index, (WC7)gift);
}