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PKHeX/PKHeX.Core/Saves/Substructures/Mail/Mail4.cs

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using System;
using static System.Buffers.Binary.BinaryPrimitives;
namespace PKHeX.Core;
public sealed class Mail4 : MailDetail
{
public const int SIZE = 0x38;
public Mail4(byte[] data, int ofs) : base(data, ofs) { }
public Mail4(byte[] data) : base(data, -1) { }
public Mail4(byte? lang, byte? ver) : base(new byte[SIZE])
{
if (lang != null) AuthorLanguage = (byte)lang;
if (ver != null) AuthorVersion = (byte)ver;
ResetData();
}
public override void CopyTo(SaveFile sav) => sav.SetData(((SAV4)sav).General, Data, DataOffset);
private void ResetData()
{
AuthorTID = 0;
AuthorSID = 0;
AuthorGender = 0;
MailType = 0xFF;
AuthorName = string.Empty;
for (int i = 0; i < 3; i++)
SetAppearSpecies(i, ushort.MaxValue);
for (int y = 0; y < 3; y++)
{
for (int x = 0; x < 4; x++)
SetMessage(y, x, x == 1 ? (ushort)0 : ushort.MaxValue);
}
}
public override void CopyTo(PK4 pk4) => Data.CopyTo(pk4.HeldMail);
public override ushort AuthorTID { get => ReadUInt16LittleEndian(Data.AsSpan(0)); set => WriteUInt16LittleEndian(Data.AsSpan(0), value); }
public override ushort AuthorSID { get => ReadUInt16LittleEndian(Data.AsSpan(2)); set => WriteUInt16LittleEndian(Data.AsSpan(2), value); }
public override byte AuthorGender { get => Data[4]; set => Data[4] = value; }
public override byte AuthorLanguage { get => Data[5]; set => Data[5] = value; }
public override byte AuthorVersion { get => Data[6]; set => Data[6] = value; }
public override int MailType { get => Data[7]; set => Data[7] = (byte)value; }
public override string AuthorName { get => StringConverter4.GetString(Data.AsSpan(8, 0x10)); set => StringConverter4.SetString(Data.AsSpan(8, 0x10), value, 7, StringConverterOption.ClearFF); }
public ushort GetAppearSpecies(int index) => ReadUInt16LittleEndian(Data.AsSpan(0x1C - (index * 2)));
public void SetAppearSpecies(int index, ushort value) => WriteUInt16LittleEndian(Data.AsSpan(0x1C - (index * 2)), (ushort)(value == 0 ? 0xFFFF : value));
public override ushort GetMessage(int index1, int index2) => ReadUInt16LittleEndian(Data.AsSpan(0x20 + (((index1 * 4) + index2) * 2)));
public override void SetMessage(int index1, int index2, ushort value) => WriteUInt16LittleEndian(Data.AsSpan(0x20 + (((index1 * 4) + index2) * 2)), value);
public override bool? IsEmpty => MailType switch
{
0xFF => true,
<= 11 => false,
_ => null,
};
public override void SetBlank() => SetBlank(0, 0);
public void SetBlank(byte lang, byte ver)
{
Array.Clear(Data, 0, Data.Length);
AuthorLanguage = lang;
AuthorVersion = ver;
}
}