PKHeX/PKHeX.Core/PKM/Shared/G6PKM.cs

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using System;
using static System.Buffers.Binary.BinaryPrimitives;
namespace PKHeX.Core;
/// <summary> Generation 6 <see cref="PKM"/> format. </summary>
public abstract class G6PKM : PKM, ISanityChecksum
{
public override int SIZE_PARTY => PokeCrypto.SIZE_6PARTY;
public override int SIZE_STORED => PokeCrypto.SIZE_6STORED;
protected G6PKM(byte[] data) : base(data) { }
protected G6PKM(int size) : base(size) { }
// Trash Bytes
public sealed override Span<byte> Nickname_Trash => Data.AsSpan(0x40, 26);
public sealed override Span<byte> HT_Trash => Data.AsSpan(0x78, 26);
public sealed override Span<byte> OT_Trash => Data.AsSpan(0xB0, 26);
public abstract ushort Sanity { get; set; }
public abstract ushort Checksum { get; set; }
public sealed override void RefreshChecksum() => Checksum = CalculateChecksum();
public sealed override bool ChecksumValid => CalculateChecksum() == Checksum;
public sealed override bool Valid { get => Sanity == 0 && ChecksumValid; set { if (!value) return; Sanity = 0; RefreshChecksum(); } }
private ushort CalculateChecksum()
{
ushort chk = 0;
for (int i = 8; i < PokeCrypto.SIZE_6STORED; i += 2) // don't use SIZE_STORED property; pb7 overrides stored size
chk += ReadUInt16LittleEndian(Data.AsSpan(i));
return chk;
}
// Simple Generated Attributes
public sealed override int CurrentFriendship
{
get => CurrentHandler == 0 ? OT_Friendship : HT_Friendship;
set { if (CurrentHandler == 0) OT_Friendship = value; else HT_Friendship = value; }
}
public int OppositeFriendship
{
get => CurrentHandler == 1 ? OT_Friendship : HT_Friendship;
set { if (CurrentHandler == 1) OT_Friendship = value; else HT_Friendship = value; }
}
public sealed override int PSV => (int)(((PID >> 16) ^ (PID & 0xFFFF)) >> 4);
public sealed override int TSV => (TID ^ SID) >> 4;
public sealed override bool IsUntraded => Data[0x78] == 0 && Data[0x78 + 1] == 0 && Format == Generation; // immediately terminated HT_Name data (\0)
// Complex Generated Attributes
public sealed override int Characteristic
{
get
{
int pm6 = (int)(EncryptionConstant % 6);
int maxIV = MaximumIV;
int pm6stat = 0;
for (int i = 0; i < 6; i++)
{
pm6stat = (pm6 + i) % 6;
if (GetIV(pm6stat) == maxIV)
break;
}
return (pm6stat * 5) + (maxIV % 5);
}
}
// Methods
protected sealed override byte[] Encrypt()
{
RefreshChecksum();
return PokeCrypto.EncryptArray6(Data);
}
// General User-error Fixes
public void FixRelearn()
{
while (true)
{
if (RelearnMove4 != 0 && RelearnMove3 == 0)
{
RelearnMove3 = RelearnMove4;
RelearnMove4 = 0;
}
if (RelearnMove3 != 0 && RelearnMove2 == 0)
{
RelearnMove2 = RelearnMove3;
RelearnMove3 = 0;
continue;
}
if (RelearnMove2 != 0 && RelearnMove1 == 0)
{
RelearnMove1 = RelearnMove2;
RelearnMove2 = 0;
continue;
}
break;
}
}
// Synthetic Trading Logic
public void Trade(ITrainerInfo tr, int Day = 1, int Month = 1, int Year = 2015)
{
if (IsEgg)
{
// Eggs do not have any modifications done if they are traded
// Apply link trade data, only if it left the OT (ignore if dumped & imported, or cloned, etc)
if ((tr.TID != TID) || (tr.SID != SID) || (tr.Gender != OT_Gender) || (tr.OT != OT_Name))
SetLinkTradeEgg(Day, Month, Year, Locations.LinkTrade6);
return;
}
// Process to the HT if the OT of the Pokémon does not match the SAV's OT info.
if (!TradeOT(tr))
TradeHT(tr);
}
protected abstract bool TradeOT(ITrainerInfo tr);
protected abstract void TradeHT(ITrainerInfo tr);
// Maximums
public sealed override int MaxIV => 31;
public sealed override int MaxEV => 252;
public sealed override int MaxStringLengthOT => 12;
public sealed override int MaxStringLengthNickname => 12;
}
public interface ISuperTrain
{
uint SuperTrainBitFlags { get; set; }
bool SecretSuperTrainingUnlocked { get; set; }
bool SecretSuperTrainingComplete { get; set; }
int SuperTrainingMedalCount(int maxCount = 30);
}