PKHeX/PKHeX.Core/Saves/SAV4.cs
Kurt f6bcc8a216 Minor clean
StringBuilder.Append has some fancy interpolation handling in the latest NET8 so it's more clean than multiple append calls.
2024-06-15 00:57:44 -05:00

844 lines
32 KiB
C#

using System;
using System.Collections.Generic;
using System.Diagnostics.CodeAnalysis;
using static System.Buffers.Binary.BinaryPrimitives;
namespace PKHeX.Core;
/// <summary>
/// Generation 4 abstract <see cref="SaveFile"/> object.
/// </summary>
/// <remarks>
/// Storage data is stored in one contiguous block, and the remaining data is stored in another block.
/// </remarks>
public abstract class SAV4 : SaveFile, IEventFlag37, IDaycareStorage, IDaycareRandomState<uint>, IDaycareExperience, IDaycareEggState, IMysteryGiftStorageProvider
{
protected internal override string ShortSummary => $"{OT} ({Version}) - {PlayTimeString}";
public sealed override string Extension => ".sav";
// Blocks & Offsets
private const int PartitionSize = 0x40000;
// SaveData is chunked into two pieces.
private readonly Memory<byte> StorageBuffer;
protected internal readonly Memory<byte> GeneralBuffer;
protected Span<byte> Storage => StorageBuffer.Span;
public Span<byte> General => GeneralBuffer.Span;
protected sealed override Span<byte> BoxBuffer => Storage;
protected sealed override Span<byte> PartyBuffer => General;
private readonly Memory<byte> BackupStorageBuffer;
private readonly Memory<byte> BackupGeneralBuffer;
private Span<byte> BackupStorage => BackupStorageBuffer.Span;
private Span<byte> BackupGeneral => BackupGeneralBuffer.Span;
protected abstract IReadOnlyList<BlockInfo4> ExtraBlocks { get; }
public abstract Zukan4 Dex { get; }
public sealed override bool HasPokeDex => true;
protected abstract int EventFlag { get; }
protected abstract int EventWork { get; }
public sealed override bool GetFlag(int offset, int bitIndex) => GetFlag(General, offset, bitIndex);
public sealed override void SetFlag(int offset, int bitIndex, bool value) => SetFlag(General, offset, bitIndex, value);
protected SAV4([ConstantExpected] int gSize, [ConstantExpected] int sSize)
{
GeneralBuffer = new byte[gSize];
StorageBuffer = new byte[sSize];
BackupGeneralBuffer = new byte[gSize];
BackupStorageBuffer = new byte[sSize];
ClearBoxes();
}
protected SAV4(byte[] data, [ConstantExpected] int gSize, [ConstantExpected] int sSize, [ConstantExpected] int sStart) : base(data)
{
var GeneralBlockPosition = GetActiveBlock(data, 0, gSize);
var StorageBlockPosition = GetActiveBlock(data, sStart, sSize);
var gbo = (GeneralBlockPosition == 0 ? 0 : PartitionSize);
var sbo = (StorageBlockPosition == 0 ? 0 : PartitionSize) + sStart;
GeneralBuffer = Data.AsMemory(gbo, gSize);
StorageBuffer = Data.AsMemory(sbo, sSize);
var gboBackup = (GeneralBlockPosition != 0 ? 0 : PartitionSize);
var sboBackup = (StorageBlockPosition != 0 ? 0 : PartitionSize) + sStart;
BackupGeneralBuffer = Data.AsMemory(gboBackup, gSize);
BackupStorageBuffer = Data.AsMemory(sboBackup, sSize);
}
// Configuration
protected sealed override SAV4 CloneInternal()
{
var sav = CloneInternal4();
SetData(sav.General, General);
SetData(sav.Storage, Storage);
return sav;
}
protected abstract SAV4 CloneInternal4();
public sealed override void CopyChangesFrom(SaveFile sav)
{
SetData(sav.Data, 0);
var s4 = (SAV4)sav;
SetData(General, s4.General);
SetData(Storage, s4.Storage);
}
protected sealed override int SIZE_STORED => PokeCrypto.SIZE_4STORED;
protected sealed override int SIZE_PARTY => PokeCrypto.SIZE_4PARTY;
public sealed override PK4 BlankPKM => new();
public sealed override Type PKMType => typeof(PK4);
public sealed override int BoxCount => 18;
public sealed override int MaxEV => EffortValues.Max255;
public sealed override byte Generation => 4;
public sealed override EntityContext Context => EntityContext.Gen4;
public int EventFlagCount => 0xB60; // 2912
public int EventWorkCount => (EventFlag - EventWork) >> 1;
public sealed override int MaxStringLengthTrainer => 7;
public sealed override int MaxStringLengthNickname => 10;
public sealed override int MaxMoney => 999999;
public sealed override int MaxCoins => 50_000;
public sealed override ushort MaxMoveID => Legal.MaxMoveID_4;
public sealed override ushort MaxSpeciesID => Legal.MaxSpeciesID_4;
// MaxItemID
public sealed override int MaxAbilityID => Legal.MaxAbilityID_4;
public sealed override int MaxBallID => Legal.MaxBallID_4;
public sealed override GameVersion MaxGameID => Legal.MaxGameID_4; // Colo/XD
#region Checksums
protected abstract int FooterSize { get; }
private ushort CalcBlockChecksum(ReadOnlySpan<byte> data) => Checksums.CRC16_CCITT(data[..^FooterSize]);
private static ushort GetBlockChecksumSaved(ReadOnlySpan<byte> data) => ReadUInt16LittleEndian(data[^2..]);
private bool GetBlockChecksumValid(ReadOnlySpan<byte> data) => CalcBlockChecksum(data) == GetBlockChecksumSaved(data);
public const uint MAGIC_JAPAN_INTL = 0x20060623;
public const uint MAGIC_KOREAN = 0x20070903;
public uint Magic { get => ReadUInt32LittleEndian(General[^8..^4]); set => SetMagics(value); }
protected void SetMagics(uint magic)
{
WriteUInt32LittleEndian(General[^8..^4], magic);
WriteUInt32LittleEndian(Storage[^8..^4], magic);
if (ReadUInt32LittleEndian(BackupGeneral[^8..^4]) != 0xFFFFFFFF)
WriteUInt32LittleEndian(BackupGeneral[^8..^4], magic);
if (ReadUInt32LittleEndian(BackupStorage[^8..^4]) != 0xFFFFFFFF)
WriteUInt32LittleEndian(BackupStorage[^8..^4], magic);
ExtraBlocks.SetMagics(Data.AsSpan(), magic);
ExtraBlocks.SetMagics(Data.AsSpan(PartitionSize..), magic);
}
protected sealed override void SetChecksums()
{
WriteUInt16LittleEndian(General[^2..], CalcBlockChecksum(General));
WriteUInt16LittleEndian(Storage[^2..], CalcBlockChecksum(Storage));
if (ReadUInt32LittleEndian(BackupGeneral[^8..^4]) != 0xFFFFFFFF)
WriteUInt16LittleEndian(BackupGeneral[^2..], CalcBlockChecksum(BackupGeneral));
if (ReadUInt32LittleEndian(BackupStorage[^8..^4]) != 0xFFFFFFFF)
WriteUInt16LittleEndian(BackupStorage[^2..], CalcBlockChecksum(BackupStorage));
ExtraBlocks.SetChecksums(Data.AsSpan());
ExtraBlocks.SetChecksums(Data.AsSpan(PartitionSize..));
}
public sealed override bool ChecksumsValid
{
get
{
if (!GetBlockChecksumValid(General))
return false;
if (!GetBlockChecksumValid(Storage))
return false;
if (!ExtraBlocks.GetChecksumsValid(Data.AsSpan()))
return false;
if (!ExtraBlocks.GetChecksumsValid(Data.AsSpan(PartitionSize..)))
return false;
return true;
}
}
public sealed override string ChecksumInfo
{
get
{
var list = new List<string>();
if (!GetBlockChecksumValid(General))
list.Add("Small block checksum is invalid");
if (!GetBlockChecksumValid(Storage))
list.Add("Large block checksum is invalid");
if (!ExtraBlocks.GetChecksumsValid(Data.AsSpan()))
list.Add(ExtraBlocks.GetChecksumInfo(Data.AsSpan()));
if (!ExtraBlocks.GetChecksumsValid(Data.AsSpan(PartitionSize..)))
list.Add(ExtraBlocks.GetChecksumInfo(Data.AsSpan(PartitionSize..)));
return list.Count != 0 ? string.Join(Environment.NewLine, list) : "Checksums are valid.";
}
}
private static int GetActiveBlock(ReadOnlySpan<byte> data, [ConstantExpected] int begin, [ConstantExpected] int length)
{
int offset = begin + length - 0x14;
return SAV4BlockDetection.CompareFooters(data, offset, offset + PartitionSize);
}
private int GetActiveExtraBlock(BlockInfo4 block)
{
int index = (int)block.ID;
// Hall of Fame
if (index == 0)
return SAV4BlockDetection.CompareExtra(Data, Data.AsSpan(PartitionSize), block);
// Battle Hall/Battle Videos
var KeyOffset = Extra;
var KeyBackupOffset = Extra + (0x4 * (ExtraBlocks.Count - 1));
var PreferOffset = Extra + (2 * 0x4 * (ExtraBlocks.Count - 1));
var key = ReadUInt32LittleEndian(General[(KeyOffset + (0x4 * (index - 1)))..]);
var keyBackup = ReadUInt32LittleEndian(General[(KeyBackupOffset + (0x4 * (index - 1)))..]);
var prefer = General[PreferOffset + (index - 1)];
return SAV4BlockDetection.CompareExtra(Data, Data.AsSpan(PartitionSize), block, key, keyBackup, prefer);
}
#endregion
public BattleVideo4? GetBattleVideo(int index)
{
ArgumentOutOfRangeException.ThrowIfGreaterThanOrEqual<uint>((uint)index, 4);
index = 2 + index; // 2-5, skip HoF and Battle Hall
if (ExtraBlocks.Count < index)
return null; // not in D/P
var block = ExtraBlocks[index];
var active = GetActiveExtraBlock(block);
return active == -1 ? null : new BattleVideo4(Data.AsMemory((active == 0 ? 0 : PartitionSize) + block.Offset, BattleVideo4.SIZE_USED));
}
public Hall4? GetHall()
{
if (ExtraBlocks.Count < 1)
return null; // not in D/P
var block = ExtraBlocks[1];
var active = GetActiveExtraBlock(block);
return active == -1 ? null : new Hall4(Data.AsMemory((active == 0 ? 0 : PartitionSize) + block.Offset, Hall4.SIZE_USED));
}
protected int WondercardFlags = int.MinValue;
protected int AdventureInfo = int.MinValue;
protected int Seal = int.MinValue;
public int Geonet { get; protected set; } = int.MinValue;
protected int Extra = int.MinValue;
protected int Trainer1;
public int GTS { get; protected set; } = int.MinValue;
protected int FashionCase = int.MinValue;
private int OFS_AccessoryMultiCount => FashionCase; // 4 bits each
private int OFS_AccessorySingleCount => FashionCase + 0x20; // 1 bit each
private int OFS_Backdrop => FashionCase + 0x28;
protected int OFS_Chatter = int.MinValue;
public Chatter4 Chatter => new(this, Data.AsMemory(OFS_Chatter));
protected int OFS_Record = int.MinValue;
public Record4 Records => new(this, Data.AsMemory(OFS_Record, Record4.GetSize(this)));
// Storage
public override int PartyCount
{
get => General[Party - 4];
protected set => General[Party - 4] = (byte)value;
}
public sealed override int GetPartyOffset(int slot) => Party + (SIZE_PARTY * slot);
#region Trainer Info
public override string OT
{
get => GetString(General.Slice(Trainer1, 16));
set => SetString(General.Slice(Trainer1, 16), value, MaxStringLengthTrainer, StringConverterOption.ClearZero);
}
public override uint ID32
{
get => ReadUInt32LittleEndian(General[(Trainer1 + 0x10)..]);
set => WriteUInt32LittleEndian(General[(Trainer1 + 0x10)..], value);
}
public override ushort TID16
{
get => ReadUInt16LittleEndian(General[(Trainer1 + 0x10)..]);
set => WriteUInt16LittleEndian(General[(Trainer1 + 0x10)..], value);
}
public override ushort SID16
{
get => ReadUInt16LittleEndian(General[(Trainer1 + 0x12)..]);
set => WriteUInt16LittleEndian(General[(Trainer1 + 0x12)..], value);
}
public override uint Money
{
get => ReadUInt32LittleEndian(General[(Trainer1 + 0x14)..]);
set => WriteUInt32LittleEndian(General[(Trainer1 + 0x14)..], value);
}
public override byte Gender
{
get => General[Trainer1 + 0x18];
set => General[Trainer1 + 0x18] = value;
}
public override int Language
{
get => General[Trainer1 + 0x19];
set => General[Trainer1 + 0x19] = (byte)value;
}
public int Badges
{
get => General[Trainer1 + 0x1A];
set { if (value < 0) return; General[Trainer1 + 0x1A] = (byte)value; }
}
public int Sprite
{
get => General[Trainer1 + 0x1B];
set { if (value < 0) return; General[Trainer1 + 0x1B] = (byte)value; }
}
public uint Coin
{
get => ReadUInt16LittleEndian(General[(Trainer1 + 0x20)..]);
set => WriteUInt16LittleEndian(General[(Trainer1 + 0x20)..], (ushort)value);
}
public override int PlayedHours
{
get => ReadUInt16LittleEndian(General[(Trainer1 + 0x22)..]);
set => WriteUInt16LittleEndian(General[(Trainer1 + 0x22)..], (ushort)value);
}
public override int PlayedMinutes
{
get => General[Trainer1 + 0x24];
set => General[Trainer1 + 0x24] = (byte)value;
}
public override int PlayedSeconds
{
get => General[Trainer1 + 0x25];
set => General[Trainer1 + 0x25] = (byte)value;
}
public abstract int M { get; set; }
public abstract int X { get; set; }
public abstract int Y { get; set; }
public string Rival
{
get => GetString(RivalTrash);
set => SetString(RivalTrash, value, MaxStringLengthTrainer, StringConverterOption.ClearZero);
}
public abstract Span<byte> RivalTrash { get; set; }
public abstract int X2 { get; set; }
public abstract int Y2 { get; set; }
public abstract int Z { get; set; }
public override uint SecondsToStart { get => ReadUInt32LittleEndian(General[(AdventureInfo + 0x34)..]); set => WriteUInt32LittleEndian(General[(AdventureInfo + 0x34)..], value); }
public override uint SecondsToFame { get => ReadUInt32LittleEndian(General[(AdventureInfo + 0x3C)..]); set => WriteUInt32LittleEndian(General[(AdventureInfo + 0x3C)..], value); }
public bool GeonetGlobalFlag { get => General[Geonet] != 0; set => General[Geonet] = (byte)(value ? 1 : 0); }
public int Country
{
get => General[Geonet + 1];
set { if (value < 0) return; General[Geonet + 1] = (byte)value; }
}
public int Region
{
get => General[Geonet + 2];
set { if (value < 0) return; General[Geonet + 2] = (byte)value; }
}
#endregion
protected sealed override PK4 GetPKM(byte[] data) => new(data);
protected sealed override byte[] DecryptPKM(byte[] data) => PokeCrypto.DecryptArray45(data);
protected sealed override void SetPKM(PKM pk, bool isParty = false)
{
var pk4 = (PK4)pk;
// Apply to this Save File
pk4.UpdateHandler(this);
pk.RefreshChecksum();
}
#region Daycare
public int DaycareSlotCount => 2;
private const int DaycareSlotSize = PokeCrypto.SIZE_4PARTY;
protected abstract int DaycareOffset { get; }
public Memory<byte> GetDaycareSlot(int slot) => GeneralBuffer.Slice(DaycareOffset + (slot * DaycareSlotSize), PokeCrypto.SIZE_4STORED);
// EXP: Last 4 bytes of each slot
public uint GetDaycareEXP(int index)
{
ArgumentOutOfRangeException.ThrowIfGreaterThanOrEqual((uint)index, 2u);
int ofs = DaycareOffset + DaycareSlotSize - 4 + (index * DaycareSlotSize);
return ReadUInt32LittleEndian(General[ofs..]);
}
public void SetDaycareEXP(int index, uint value)
{
ArgumentOutOfRangeException.ThrowIfGreaterThanOrEqual((uint)index, 2u);
int ofs = DaycareOffset + DaycareSlotSize - 4 + (index * DaycareSlotSize);
WriteUInt32LittleEndian(General[ofs..], value);
}
public bool IsDaycareOccupied(int index) => GetStoredSlot(GetDaycareSlot(index).Span).Species != 0;
public void SetDaycareOccupied(int index, bool occupied)
{
if (occupied)
return; // how would we even set this? just ignore and assume they'll set the slot data via other means.
GetDaycareSlot(index).Span.Clear();
}
private int DaycareEnd => DaycareOffset + (2 * DaycareSlotSize);
uint IDaycareRandomState<uint>.Seed
{
get => ReadUInt32LittleEndian(General[DaycareEnd..]);
set => WriteUInt32LittleEndian(General[DaycareEnd..], value);
}
public byte DaycareStepCounter { get => General[DaycareEnd + 4]; set => General[DaycareEnd + 4] = value; }
public bool IsEggAvailable
{
get => ((IDaycareRandomState<uint>)this).Seed != 0;
set
{
if (!value)
((IDaycareRandomState<uint>)this).Seed = 0;
else if (((IDaycareRandomState<uint>)this).Seed == 0)
((IDaycareRandomState<uint>)this).Seed = (uint)Util.Rand.Next(1, int.MaxValue);
}
}
#endregion
// Mystery Gift
public bool IsMysteryGiftUnlocked { get => (General[72] & 1) == 1; set => General[72] = (byte)((General[72] & 0xFE) | (value ? 1 : 0)); }
protected sealed override void SetDex(PKM pk) => Dex.SetDex(pk);
public sealed override bool GetCaught(ushort species) => Dex.GetCaught(species);
public sealed override bool GetSeen(ushort species) => Dex.GetSeen(species);
public int DexUpgraded
{
get
{
switch (Version)
{
case GameVersion.DP:
if (General[0x1413] != 0) return 4;
if (General[0x1415] != 0) return 3;
if (General[0x1404] != 0) return 2;
if (General[0x1414] != 0) return 1;
return 0;
case GameVersion.HGSS:
if (General[0x15ED] != 0) return 3;
if (General[0x15EF] != 0) return 2;
if (General[0x15EE] != 0 && (General[0x10D1] & 8) != 0) return 1;
return 0;
case GameVersion.Pt:
if (General[0x1641] != 0) return 4;
if (General[0x1643] != 0) return 3;
if (General[0x1640] != 0) return 2;
if (General[0x1642] != 0) return 1;
return 0;
default: return 0;
}
}
set
{
switch (Version)
{
case GameVersion.DP:
General[0x1413] = value == 4 ? (byte)1 : (byte)0;
General[0x1415] = value >= 3 ? (byte)1 : (byte)0;
General[0x1404] = value >= 2 ? (byte)1 : (byte)0;
General[0x1414] = value >= 1 ? (byte)1 : (byte)0;
break;
case GameVersion.HGSS:
General[0x15ED] = value == 3 ? (byte)1 : (byte)0;
General[0x15EF] = value >= 2 ? (byte)1 : (byte)0;
General[0x15EE] = value >= 1 ? (byte)1 : (byte)0;
General[0x10D1] = (byte)((General[0x10D1] & ~8) | (value >= 1 ? 8 : 0));
break;
case GameVersion.Pt:
General[0x1641] = value == 4 ? (byte)1 : (byte)0;
General[0x1643] = value >= 3 ? (byte)1 : (byte)0;
General[0x1640] = value >= 2 ? (byte)1 : (byte)0;
General[0x1642] = value >= 1 ? (byte)1 : (byte)0;
break;
default: return;
}
}
}
public sealed override string GetString(ReadOnlySpan<byte> data)
=> StringConverter4.GetString(data);
public sealed override int LoadString(ReadOnlySpan<byte> data, Span<char> destBuffer)
=> StringConverter4.LoadString(data, destBuffer);
public sealed override int SetString(Span<byte> destBuffer, ReadOnlySpan<char> value, int maxLength, StringConverterOption option)
=> StringConverter4.SetString(destBuffer, value, maxLength, Language, option);
#region Event Flag/Event Work
public bool GetEventFlag(int flagNumber)
{
if ((uint)flagNumber >= EventFlagCount)
throw new ArgumentOutOfRangeException(nameof(flagNumber), $"Event Flag to get ({flagNumber}) is greater than max ({EventFlagCount}).");
return GetFlag(EventFlag + (flagNumber >> 3), flagNumber & 7);
}
public void SetEventFlag(int flagNumber, bool value)
{
if ((uint)flagNumber >= EventFlagCount)
throw new ArgumentOutOfRangeException(nameof(flagNumber), $"Event Flag to set ({flagNumber}) is greater than max ({EventFlagCount}).");
SetFlag(EventFlag + (flagNumber >> 3), flagNumber & 7, value);
}
public ushort GetWork(int index) => ReadUInt16LittleEndian(General[(EventWork + (index * 2))..]);
public void SetWork(int index, ushort value) => WriteUInt16LittleEndian(General[EventWork..][(index * 2)..], value);
#endregion
#region Seals
public const byte SealMaxCount = 99;
public Span<byte> GetSealCase() => General.Slice(Seal, (int)Seal4.MAX);
public void SetSealCase(ReadOnlySpan<byte> value) => SetData(General.Slice(Seal, (int)Seal4.MAX), value);
public byte GetSealCount(Seal4 id) => General[Seal + (int)id];
public void SetSealCount(Seal4 id, byte count) => General[Seal + (int)id] = Math.Min(SealMaxCount, count);
#endregion
#region Accessories
public byte GetAccessoryOwnedCount(Accessory4 accessory)
{
if (accessory.IsMultiple())
{
byte enumIdx = (byte)accessory;
byte val = General[OFS_AccessoryMultiCount + (enumIdx / 2)];
if (enumIdx % 2 == 0)
return (byte)(val & 0x0F);
return (byte)(val >> 4);
}
// Otherwise, it's a single-count accessory
var flagIdx = accessory.GetSingleBitIndex();
if (GetFlag(OFS_AccessorySingleCount + (flagIdx >> 3), flagIdx & 7))
return 1;
return 0;
}
public void SetAccessoryOwnedCount(Accessory4 accessory, byte count)
{
if (accessory.IsMultiple())
{
if (count > 9)
count = 9;
var enumIdx = (byte)accessory;
var addr = OFS_AccessoryMultiCount + (enumIdx / 2);
if (enumIdx % 2 == 0)
{
General[addr] &= 0xF0; // Reset old count to 0
General[addr] |= count; // Set new count
}
else
{
General[addr] &= 0x0F; // Reset old count to 0
General[addr] |= (byte)(count << 4); // Set new count
}
}
else
{
var flagIdx = accessory.GetSingleBitIndex();
SetFlag(OFS_AccessorySingleCount + (flagIdx >> 3), flagIdx & 7, count != 0);
}
State.Edited = true;
}
#endregion
#region Backdrops
public byte GetBackdropPosition(Backdrop4 backdrop)
{
ArgumentOutOfRangeException.ThrowIfGreaterThan((uint)backdrop, (uint)Backdrop4.Unset);
return General[OFS_Backdrop + (byte)backdrop];
}
public bool GetBackdropUnlocked(Backdrop4 backdrop) => GetBackdropPosition(backdrop) != (byte)Backdrop4.Unset;
public void RemoveBackdrop(Backdrop4 backdrop) => SetBackdropPosition(backdrop, (byte)Backdrop4.Unset);
/// <summary>
/// Sets the position of a backdrop.
/// </summary>
/// <remarks>
/// Every unlocked backdrop must have a different position.
/// Use <see cref="RemoveBackdrop"/> to remove a backdrop.
/// </remarks>
public void SetBackdropPosition(Backdrop4 backdrop, byte position)
{
ArgumentOutOfRangeException.ThrowIfGreaterThan((uint)backdrop, (uint)Backdrop4.Unset);
General[OFS_Backdrop + (byte)backdrop] = Math.Min(position, (byte)Backdrop4.Unset);
State.Edited = true;
}
#endregion
public int GetMailOffset(int index)
{
int ofs = (index * Mail4.SIZE);
return Version switch
{
GameVersion.DP => (ofs + 0x4BEC),
GameVersion.Pt => (ofs + 0x4E80),
_ => (ofs + 0x3FA8),
};
}
public byte[] GetMailData(int ofs) => General.Slice(ofs, Mail4.SIZE).ToArray();
public Mail4 GetMail(int mailIndex)
{
int ofs = GetMailOffset(mailIndex);
return new Mail4(GetMailData(ofs), ofs);
}
public abstract uint SwarmSeed { get; set; }
public abstract uint SwarmMaxCountModulo { get; }
public uint SwarmIndex
{
get => SwarmSeed % SwarmMaxCountModulo;
set
{
value %= SwarmMaxCountModulo;
while (SwarmIndex != value)
++SwarmSeed;
}
}
public abstract int BP { get; set; }
public abstract BattleFrontierFacility4 MaxFacility { get; }
public abstract MysteryBlock4 Mystery { get; }
IMysteryGiftStorage IMysteryGiftStorageProvider.MysteryGiftStorage => Mystery;
}
public sealed class MysteryBlock4DP(SAV4DP sav, Memory<byte> raw) : MysteryBlock4(sav, raw)
{
// 0x100 Flags
// 11 u32 IsActive sentinels
// 8 PGT
// 3 PCD
public const int Size = (MaxReceivedFlag / 8) + (SentinelCount * sizeof(uint)) + (MaxCountPGT * PGT.Size) + (MaxCountPCD * PCD.Size);
protected override int CardStart => FlagStart + FlagRegionSize + (11 * sizeof(uint));
private const int SentinelCount = 11;
// reverse crc32 polynomial, nice!
private const uint MysteryGiftDPSlotActive = 0xEDB88320;
private Span<byte> SentinelSpan => Data.Slice(FlagStart + FlagRegionSize, 11 * sizeof(uint));
public uint GetMysteryGiftReceivedSentinel(int index)
{
ArgumentOutOfRangeException.ThrowIfGreaterThanOrEqual<uint>((uint)index, SentinelCount);
return ReadUInt32LittleEndian(SentinelSpan[(index * sizeof(uint))..]);
}
public void SetMysteryGiftReceivedSentinel(int index, uint value)
{
ArgumentOutOfRangeException.ThrowIfGreaterThanOrEqual<uint>((uint)index, SentinelCount);
WriteUInt32LittleEndian(SentinelSpan[(index * sizeof(uint))..], value);
}
public override void SetMysteryGift(int index, PGT pgt)
{
base.SetMysteryGift(index, pgt);
SetMysteryGiftReceivedSentinel(index, pgt.Empty ? 0 : MysteryGiftDPSlotActive);
}
public override void SetMysteryGift(int index, PCD pcd)
{
base.SetMysteryGift(index, pcd);
SetMysteryGiftReceivedSentinel(index, pcd.Empty ? 0 : MysteryGiftDPSlotActive);
}
}
public sealed class MysteryBlock4Pt(SAV4Pt sav, Memory<byte> raw) : MysteryBlock4(sav, raw)
{
// 0x100 Flags
// 8 PGT
// 3 PCD
public const int Size = (MaxReceivedFlag / 8) + (MaxCountPGT * PGT.Size) + (MaxCountPCD * PCD.Size);
protected override int CardStart => FlagStart + FlagRegionSize;
}
public sealed class MysteryBlock4HGSS(SAV4HGSS sav, Memory<byte> raw) : MysteryBlock4(sav, raw)
{
// 0x100 Flags
// 8 PGT
// 3 PCD0x100
public const int Size = (MaxReceivedFlag / 8) + (MaxCountPGT * PGT.Size) + (MaxCountPCD * PCD.Size);
protected override int CardStart => FlagStart + FlagRegionSize;
}
public abstract class MysteryBlock4(SAV4 sav, Memory<byte> raw) : SaveBlock<SAV4>(sav, raw), IMysteryGiftStorage, IMysteryGiftFlags
{
protected const int FlagStart = 0;
protected const int MaxReceivedFlag = 2048;
protected const int MaxCountPGT = 8;
protected const int MaxCountPCD = 3;
protected const int MaxCardsPresent = MaxCountPGT + MaxCountPCD;
protected const int FlagRegionSize = (MaxReceivedFlag / 8); // 0x100
protected abstract int CardStart { get; }
private const int FlagDeliveryManActive = 2047;
private int CardRegionPGTStart => CardStart;
private int CardRegionPCDStart => CardRegionPGTStart + (MaxCountPGT * PGT.Size);
public bool IsDeliveryManActive
{
get => GetMysteryGiftReceivedFlag(FlagDeliveryManActive);
set
{
if (value && !SAV.IsMysteryGiftUnlocked)
SAV.IsMysteryGiftUnlocked = true; // be nice to the user and unlock the Mystery Gift menu feature.
SetMysteryGiftReceivedFlag(FlagDeliveryManActive, value);
}
}
public int GiftCountMax => MaxCardsPresent;
DataMysteryGift IMysteryGiftStorage.GetMysteryGift(int index)
{
if ((uint)index < MaxCountPGT)
return GetMysteryGiftPGT(index);
if ((uint)index < MaxCardsPresent)
return GetMysteryGiftPCD(index - MaxCountPGT);
throw new ArgumentOutOfRangeException(nameof(index));
}
void IMysteryGiftStorage.SetMysteryGift(int index, DataMysteryGift gift)
{
if ((uint) index < MaxCountPGT)
SetMysteryGift(index, (PGT)gift);
else if ((uint)index < MaxCardsPresent)
SetMysteryGift(index - MaxCountPGT, (PCD)gift);
else throw new ArgumentOutOfRangeException(nameof(index));
}
public int MysteryGiftReceivedFlagMax => FlagDeliveryManActive; // ignore the delivery man flag when populating flags
private Span<byte> FlagRegion => Data[..CardStart]; // 0x100
public void ClearReceivedFlags() => FlagRegion.Clear();
private int GetGiftOffsetPGT(int index)
{
ArgumentOutOfRangeException.ThrowIfGreaterThanOrEqual((uint)index, (uint)MaxCountPGT);
return CardRegionPGTStart + (index * PGT.Size);
}
private int GetGiftOffsetPCD(int index)
{
ArgumentOutOfRangeException.ThrowIfGreaterThanOrEqual((uint)index, (uint)MaxCountPCD);
return CardRegionPCDStart + (index * PCD.Size);
}
private Span<byte> GetCardSpanPGT(int index) => Data.Slice(GetGiftOffsetPGT(index), PGT.Size);
private Span<byte> GetCardSpanPCD(int index) => Data.Slice(GetGiftOffsetPCD(index), PCD.Size);
public PGT GetMysteryGiftPGT(int index) => new(GetCardSpanPGT(index).ToArray());
public PCD GetMysteryGiftPCD(int index) => new(GetCardSpanPCD(index).ToArray());
public virtual void SetMysteryGift(int index, PGT pgt)
{
if ((uint)index > MaxCardsPresent)
throw new ArgumentOutOfRangeException(nameof(index));
if (pgt.Data.Length != PGT.Size)
throw new InvalidCastException(nameof(pgt));
pgt.VerifyPKEncryption();
SAV.SetData(GetCardSpanPGT(index), pgt.Data);
}
public virtual void SetMysteryGift(int index, PCD pcd)
{
if ((uint)index > MaxCardsPresent)
throw new ArgumentOutOfRangeException(nameof(index));
if (pcd.Data.Length != PCD.Size)
throw new InvalidCastException(nameof(pcd));
var gift = pcd.Gift;
if (gift.VerifyPKEncryption())
pcd.Gift = gift; // ensure data is encrypted in the object
SAV.SetData(GetCardSpanPCD(index), pcd.Data);
}
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
}
// HG/SS 0,1,2,[3]; D/P/Pt 1,2,3,[4]
private const byte NoPCDforPGT = 3; // 4 for DPPt; handle this manually.
/// <summary>
/// Each PGT points to a PCD slot if it is correlated.
/// </summary>
public static void UpdateSlotPGT(ReadOnlySpan<DataMysteryGift> value, bool hgss)
{
var arrPGT = value[..MaxCountPGT];
var arrPCD = value.Slice(MaxCountPGT, MaxCountPCD);
UpdateSlotPGT(hgss, arrPGT, arrPCD);
}
public static void UpdateSlotPGT(bool hgss, ReadOnlySpan<DataMysteryGift> arrPGT, ReadOnlySpan<DataMysteryGift> arrPCD)
{
foreach (var gift in arrPGT)
{
var pgt = (PGT)gift;
if (pgt.CardType == 0) // empty
{
pgt.Slot = 0;
continue;
}
var index = FindIndexPCD(pgt, arrPCD);
if (!hgss)
index++;
pgt.Slot = index;
}
}
private static byte FindIndexPCD(PGT pgt, ReadOnlySpan<DataMysteryGift> arrPCD)
{
for (byte i = 0; i < arrPCD.Length; i++)
{
var pcd = (PCD)arrPCD[i];
// Check if data matches (except Slot @ 0x02)
if (pcd.GiftEquals(pgt))
return i;
}
return NoPCDforPGT;
}
}