using System; using static System.Buffers.Binary.BinaryPrimitives; namespace PKHeX.Core; /// Generation 6 format. 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 Nickname_Trash => Data.AsSpan(0x40, 26); public sealed override Span HT_Trash => Data.AsSpan(0x78, 26); public sealed override Span 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); }