mirror of
https://github.com/kwsch/PKHeX
synced 2024-11-10 06:34:19 +00:00
0674d72fae
new api allows for checking for trash byte metadata, makes it much easier to write a verifier now
297 lines
14 KiB
C#
297 lines
14 KiB
C#
using System;
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using static System.Buffers.Binary.BinaryPrimitives;
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namespace PKHeX.Core;
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/// <summary> Generation 2 <see cref="PKM"/> format. </summary>
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public sealed class PK2 : GBPKML, ICaughtData2
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{
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public override PersonalInfo2 PersonalInfo => PersonalTable.C[Species];
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public override bool Valid => Species <= Legal.MaxSpeciesID_2;
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public override int SIZE_PARTY => PokeCrypto.SIZE_2PARTY;
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public override int SIZE_STORED => PokeCrypto.SIZE_2STORED;
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public override bool Korean => !Japanese && OriginalTrainerTrash[0] <= 0xB;
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public override EntityContext Context => EntityContext.Gen2;
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public PK2(bool jp = false) : base(PokeCrypto.SIZE_2PARTY, jp) { }
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public PK2(byte[] decryptedData, bool jp = false) : base(EnsurePartySize(decryptedData), jp) { }
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public PK2(ReadOnlySpan<byte> data, ReadOnlySpan<byte> ot, ReadOnlySpan<byte> nick)
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: this(ot.Length == StringLengthJapanese)
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{
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data.CopyTo(Data);
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ot.CopyTo(OriginalTrainerTrash);
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nick.CopyTo(NicknameTrash);
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}
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private static byte[] EnsurePartySize(byte[] data)
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{
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if (data.Length != PokeCrypto.SIZE_2PARTY)
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Array.Resize(ref data, PokeCrypto.SIZE_2PARTY);
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return data;
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}
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public override PK2 Clone()
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{
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PK2 clone = new((byte[])Data.Clone(), Japanese) { IsEgg = IsEgg };
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OriginalTrainerTrash.CopyTo(clone.OriginalTrainerTrash);
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NicknameTrash.CopyTo(clone.NicknameTrash);
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return clone;
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}
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protected override byte[] Encrypt() => PokeList2.WrapSingle(this);
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#region Stored Attributes
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public override ushort Species { get => Data[0]; set => Data[0] = (byte)value; }
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public byte SpeciesInternal { get => Data[0]; set => Data[0] = value; } // Alias with a different type.
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public override int SpriteItem => ItemConverter.GetItemFuture2((byte)HeldItem);
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public override int HeldItem { get => Data[0x1]; set => Data[0x1] = (byte)value; }
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public override ushort Move1 { get => Data[2]; set => Data[2] = (byte)value; }
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public override ushort Move2 { get => Data[3]; set => Data[3] = (byte)value; }
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public override ushort Move3 { get => Data[4]; set => Data[4] = (byte)value; }
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public override ushort Move4 { get => Data[5]; set => Data[5] = (byte)value; }
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public override ushort TID16 { get => ReadUInt16BigEndian(Data.AsSpan(6)); set => WriteUInt16BigEndian(Data.AsSpan(6), value); }
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public override uint EXP { get => ReadUInt32BigEndian(Data.AsSpan(0x08)) >> 8; set => WriteUInt32BigEndian(Data.AsSpan(8), (value << 8) | Data[0xB]); }
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public override int EV_HP { get => ReadUInt16BigEndian(Data.AsSpan(0x0B)); set => WriteUInt16BigEndian(Data.AsSpan(0xB), (ushort)value); }
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public override int EV_ATK { get => ReadUInt16BigEndian(Data.AsSpan(0x0D)); set => WriteUInt16BigEndian(Data.AsSpan(0xD), (ushort)value); }
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public override int EV_DEF { get => ReadUInt16BigEndian(Data.AsSpan(0x0F)); set => WriteUInt16BigEndian(Data.AsSpan(0xF), (ushort)value); }
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public override int EV_SPE { get => ReadUInt16BigEndian(Data.AsSpan(0x11)); set => WriteUInt16BigEndian(Data.AsSpan(0x11), (ushort)value); }
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public override int EV_SPC { get => ReadUInt16BigEndian(Data.AsSpan(0x13)); set => WriteUInt16BigEndian(Data.AsSpan(0x13), (ushort)value); }
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public override ushort DV16 { get => ReadUInt16BigEndian(Data.AsSpan(0x15)); set => WriteUInt16BigEndian(Data.AsSpan(0x15), value); }
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public override int Move1_PP { get => Data[0x17] & 0x3F; set => Data[0x17] = (byte)((Data[0x17] & 0xC0) | Math.Min(63, value)); }
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public override int Move2_PP { get => Data[0x18] & 0x3F; set => Data[0x18] = (byte)((Data[0x18] & 0xC0) | Math.Min(63, value)); }
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public override int Move3_PP { get => Data[0x19] & 0x3F; set => Data[0x19] = (byte)((Data[0x19] & 0xC0) | Math.Min(63, value)); }
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public override int Move4_PP { get => Data[0x1A] & 0x3F; set => Data[0x1A] = (byte)((Data[0x1A] & 0xC0) | Math.Min(63, value)); }
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public override int Move1_PPUps { get => (Data[0x17] & 0xC0) >> 6; set => Data[0x17] = (byte)((Data[0x17] & 0x3F) | ((value & 0x3) << 6)); }
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public override int Move2_PPUps { get => (Data[0x18] & 0xC0) >> 6; set => Data[0x18] = (byte)((Data[0x18] & 0x3F) | ((value & 0x3) << 6)); }
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public override int Move3_PPUps { get => (Data[0x19] & 0xC0) >> 6; set => Data[0x19] = (byte)((Data[0x19] & 0x3F) | ((value & 0x3) << 6)); }
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public override int Move4_PPUps { get => (Data[0x1A] & 0xC0) >> 6; set => Data[0x1A] = (byte)((Data[0x1A] & 0x3F) | ((value & 0x3) << 6)); }
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public override byte CurrentFriendship { get => Data[0x1B]; set => Data[0x1B] = value; }
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public byte PokerusState { get => Data[0x1C]; set => Data[0x1C] = value; }
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public override int PokerusDays { get => PokerusState & 0xF; set => PokerusState = (byte)((PokerusState & ~0xF) | value); }
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public override int PokerusStrain { get => PokerusState >> 4; set => PokerusState = (byte)((PokerusState & 0xF) | (value << 4)); }
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// Crystal only Caught Data
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public ushort CaughtData { get => ReadUInt16BigEndian(Data.AsSpan(0x1D)); set => WriteUInt16BigEndian(Data.AsSpan(0x1D), value); }
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public int MetTimeOfDay { get => (CaughtData >> 14) & 0x3; set => CaughtData = (ushort)((CaughtData & 0x3FFF) | ((value & 0x3) << 14)); }
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public override byte MetLevel { get => (byte)((CaughtData >> 8) & 0x3F); set => CaughtData = (ushort)((CaughtData & 0xC0FF) | ((value & 0x3F) << 8)); }
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public override byte OriginalTrainerGender { get => (byte)((CaughtData >> 7) & 1); set => CaughtData = (ushort)((CaughtData & 0xFF7F) | ((value & 1) << 7)); }
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public override ushort MetLocation { get => (byte)(CaughtData & 0x7F); set => CaughtData = (ushort)((CaughtData & 0xFF80) | (value & 0x7F)); }
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public override byte Stat_Level
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{
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get => Data[0x1F];
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set => Data[0x1F] = value;
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}
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#endregion
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#region Party Attributes
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public override int Status_Condition { get => Data[0x20]; set => Data[0x20] = (byte)value; }
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public override int Stat_HPCurrent { get => ReadUInt16BigEndian(Data.AsSpan(0x22)); set => WriteUInt16BigEndian(Data.AsSpan(0x22), (ushort)value); }
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public override int Stat_HPMax { get => ReadUInt16BigEndian(Data.AsSpan(0x24)); set => WriteUInt16BigEndian(Data.AsSpan(0x24), (ushort)value); }
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public override int Stat_ATK { get => ReadUInt16BigEndian(Data.AsSpan(0x26)); set => WriteUInt16BigEndian(Data.AsSpan(0x26), (ushort)value); }
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public override int Stat_DEF { get => ReadUInt16BigEndian(Data.AsSpan(0x28)); set => WriteUInt16BigEndian(Data.AsSpan(0x28), (ushort)value); }
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public override int Stat_SPE { get => ReadUInt16BigEndian(Data.AsSpan(0x2A)); set => WriteUInt16BigEndian(Data.AsSpan(0x2A), (ushort)value); }
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public override int Stat_SPA { get => ReadUInt16BigEndian(Data.AsSpan(0x2C)); set => WriteUInt16BigEndian(Data.AsSpan(0x2C), (ushort)value); }
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public override int Stat_SPD { get => ReadUInt16BigEndian(Data.AsSpan(0x2E)); set => WriteUInt16BigEndian(Data.AsSpan(0x2E), (ushort)value); }
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#endregion
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public override bool IsEgg { get; set; }
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public override byte OriginalTrainerFriendship { get => CurrentFriendship; set => CurrentFriendship = value; }
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public override bool HasOriginalMetLocation => CaughtData != 0;
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public override GameVersion Version { get => GameVersion.GSC; set { } }
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// Maximums
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public override ushort MaxMoveID => Legal.MaxMoveID_2;
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public override ushort MaxSpeciesID => Legal.MaxSpeciesID_2;
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public override int MaxAbilityID => Legal.MaxAbilityID_2;
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public override int MaxItemID => Legal.MaxItemID_2;
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public PK1 ConvertToPK1()
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{
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PK1 pk1 = new(Japanese);
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Array.Copy(Data, 0x1, pk1.Data, 0x7, 0x1A);
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pk1.Species = Species; // This will take care of Typing :)
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var lvl = Stat_Level;
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if (lvl == 0) // no party stats (originated from box format), need to regenerate
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{
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pk1.Stat_HPCurrent = GetStat(PersonalInfo.HP, IV_ATK, EV_ATK, Stat_Level);
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pk1.Stat_Level = CurrentLevel;
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}
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else
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{
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pk1.Stat_HPCurrent = Stat_HPCurrent;
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pk1.Stat_Level = Stat_Level;
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}
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// Status = 0
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OriginalTrainerTrash.CopyTo(pk1.OriginalTrainerTrash);
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NicknameTrash.CopyTo(pk1.NicknameTrash);
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pk1.ClearInvalidMoves();
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return pk1;
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}
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public PK7 ConvertToPK7()
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{
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var rnd = Util.Rand;
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var lang = TransferLanguage(RecentTrainerCache.Language);
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if ((lang == 1) != Japanese)
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lang = Japanese ? 1 : 2;
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var pi = PersonalTable.SM[Species];
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int ability = TransporterLogic.IsHiddenDisallowedVC2(Species) ? 0 : 2; // Hidden
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var pk7 = new PK7
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{
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EncryptionConstant = rnd.Rand32(),
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Species = Species,
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TID16 = TID16,
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CurrentLevel = CurrentLevel,
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EXP = EXP,
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MetLevel = CurrentLevel,
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Nature = Experience.GetNatureVC(EXP),
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PID = rnd.Rand32(),
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Ball = 4,
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MetDate = EncounterDate.GetDate3DS(),
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Version = HasOriginalMetLocation ? GameVersion.C : EntityConverter.VirtualConsoleSourceGen2,
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Move1 = Move1,
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Move2 = Move2,
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Move3 = Move3,
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Move4 = Move4,
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Move1_PPUps = Move1_PPUps,
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Move2_PPUps = Move2_PPUps,
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Move3_PPUps = Move3_PPUps,
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Move4_PPUps = Move4_PPUps,
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MetLocation = Locations.Transfer2, // "Johto region", hardcoded.
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Gender = Gender,
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IsNicknamed = false,
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Form = Form,
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CurrentHandler = 1,
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HandlingTrainerName = RecentTrainerCache.OriginalTrainerName,
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HandlingTrainerGender = RecentTrainerCache.OriginalTrainerGender,
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Language = lang,
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Nickname = SpeciesName.GetSpeciesNameGeneration(Species, lang, 7),
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OriginalTrainerName = GetTransferTrainerName(lang),
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OriginalTrainerGender = OriginalTrainerGender, // Crystal
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OriginalTrainerFriendship = pi.BaseFriendship,
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HandlingTrainerFriendship = pi.BaseFriendship,
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Ability = pi.GetAbilityAtIndex(ability),
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AbilityNumber = 1 << ability,
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};
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var special = Species is 151 or 251;
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int flawless = special ? 5 : 3;
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pk7.SetTransferIVs(flawless, rnd);
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pk7.SetTransferPID(IsShiny);
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pk7.SetTransferLocale(lang);
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if (special)
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{
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pk7.FatefulEncounter = true;
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}
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else if (IsNicknamedBank)
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{
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pk7.IsNicknamed = true;
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pk7.Nickname = Korean ? Nickname : StringConverter12Transporter.GetString(NicknameTrash, Japanese);
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}
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// Dizzy Punch cannot be transferred
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var dizzy = pk7.GetMoveIndex(146); // Dizzy Punch
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if (dizzy != -1)
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{
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pk7.SetMove(dizzy, 0);
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pk7.FixMoves();
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}
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pk7.HealPP();
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pk7.RefreshChecksum();
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return pk7;
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}
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private string GetTransferTrainerName(int lang)
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{
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if (OriginalTrainerTrash[0] == StringConverter1.TradeOTCode) // In-game Trade
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return StringConverter12Transporter.GetTradeNameGen1(lang);
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if (Korean)
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return OriginalTrainerName;
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return StringConverter12Transporter.GetString(OriginalTrainerTrash, Japanese);
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}
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public SK2 ConvertToSK2() => new(Japanese)
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{
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Species = Species,
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HeldItem = HeldItem,
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Move1 = Move1,
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Move2 = Move2,
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Move3 = Move3,
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Move4 = Move4,
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TID16 = TID16,
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EXP = EXP,
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EV_HP = EV_HP,
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EV_ATK = EV_ATK,
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EV_DEF = EV_DEF,
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EV_SPE = EV_SPE,
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EV_SPC = EV_SPC,
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DV16 = DV16,
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Move1_PP = Move1_PP,
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Move2_PP = Move2_PP,
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Move3_PP = Move3_PP,
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Move4_PP = Move4_PP,
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Move1_PPUps = Move1_PPUps,
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Move2_PPUps = Move2_PPUps,
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Move3_PPUps = Move3_PPUps,
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Move4_PPUps = Move4_PPUps,
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CurrentFriendship = CurrentFriendship,
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IsEgg = IsEgg,
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Stat_Level = Stat_Level,
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PokerusState = PokerusState,
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CaughtData = CaughtData,
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// Only copies until first 0x50 terminator, but just copy everything
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Nickname = Nickname,
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OriginalTrainerName = OriginalTrainerName,
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};
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public override string GetString(ReadOnlySpan<byte> data)
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{
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if (Korean)
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return StringConverter2KOR.GetString(data);
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return StringConverter2.GetString(data, Language);
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}
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public override int LoadString(ReadOnlySpan<byte> data, Span<char> destBuffer)
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{
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if (Korean)
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return StringConverter2KOR.LoadString(data, destBuffer);
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return StringConverter2.LoadString(data, destBuffer, Language);
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}
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public override int SetString(Span<byte> destBuffer, ReadOnlySpan<char> value, int maxLength, StringConverterOption option)
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{
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if (Korean)
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return StringConverter2KOR.SetString(destBuffer, value, maxLength, option);
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return StringConverter2.SetString(destBuffer, value, maxLength, Language, option);
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}
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public override int GetStringTerminatorIndex(ReadOnlySpan<byte> data)
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=> Korean ? StringConverter2KOR.GetTerminatorIndex(data) : TrashBytesGB.GetTerminatorIndex(data);
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public override int GetStringLength(ReadOnlySpan<byte> data)
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=> Korean ? StringConverter2KOR.GetStringLength(data) : TrashBytesGB.GetStringLength(data);
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public override int GetBytesPerChar() => 1;
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/// <summary>
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/// Gets a checksum over all the entity's data using a single list to wrap all components.
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/// </summary>
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public ushort GetSingleListChecksum()
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{
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Span<byte> tmp = stackalloc byte[PokeList2.GetListLengthSingle(Japanese)];
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PokeList2.WrapSingle(this, tmp);
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return Checksums.CRC16_CCITT(tmp);
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}
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}
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