PKHeX/PKHeX.Core/Saves/SAV4.cs
Kurt 4ed0e30ace Minor tweaks
Muh infinitesimally small perf gainz found while waiting for next dota match
2021-07-26 23:33:56 -07:00

543 lines
20 KiB
C#

using System;
using System.Collections.Generic;
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
{
protected internal override string ShortSummary => $"{OT} ({Version}) - {PlayTimeString}";
public sealed override string Extension => ".sav";
// Blocks & Offsets
private readonly int GeneralBlockPosition; // Small Block
private readonly int StorageBlockPosition; // Big Block
private const int PartitionSize = 0x40000;
// SaveData is chunked into two pieces.
protected readonly byte[] Storage;
public readonly byte[] General;
protected sealed override byte[] BoxBuffer => Storage;
protected sealed override byte[] PartyBuffer => General;
protected abstract int StorageStart { get; }
public abstract Zukan4 Dex { get; }
public sealed override bool GetFlag(int offset, int bitIndex) => FlagUtil.GetFlag(General, offset, bitIndex);
public sealed override void SetFlag(int offset, int bitIndex, bool value) => FlagUtil.SetFlag(General, offset, bitIndex, value);
protected SAV4(int gSize, int sSize)
{
General = new byte[gSize];
Storage = new byte[sSize];
ClearBoxes();
}
protected SAV4(byte[] data, int gSize, int sSize, int sStart) : base(data)
{
GeneralBlockPosition = GetActiveBlock(data, 0, gSize);
StorageBlockPosition = GetActiveBlock(data, sStart, sSize);
var gbo = (GeneralBlockPosition == 0 ? 0 : PartitionSize);
var sbo = (StorageBlockPosition == 0 ? 0 : PartitionSize) + sStart;
General = GetData(gbo, gSize);
Storage = GetData(sbo, sSize);
}
// Configuration
protected sealed override SaveFile CloneInternal()
{
var sav = CloneInternal4();
SetData(sav.General, General, 0);
SetData(sav.Storage, Storage, 0);
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, 0);
SetData(Storage, s4.Storage, 0);
}
protected sealed override int SIZE_STORED => PokeCrypto.SIZE_4STORED;
protected sealed override int SIZE_PARTY => PokeCrypto.SIZE_4PARTY;
public sealed override PKM BlankPKM => new PK4();
public sealed override Type PKMType => typeof(PK4);
public sealed override int BoxCount => 18;
public sealed override int MaxEV => 255;
public sealed override int Generation => 4;
protected sealed override int EventFlagMax => 0xB60; // 2912
protected sealed override int EventConstMax => (EventFlag - EventConst) >> 1;
protected sealed override int GiftCountMax => 11;
public sealed override int OTLength => 7;
public sealed override int NickLength => 10;
public sealed override int MaxMoney => 999999;
public sealed override int MaxCoins => 50_000;
public sealed override int MaxMoveID => Legal.MaxMoveID_4;
public sealed override int MaxSpeciesID => Legal.MaxSpeciesID_4;
// MaxItemID
public sealed override int MaxAbilityID => Legal.MaxAbilityID_4;
public sealed override int MaxBallID => Legal.MaxBallID_4;
public sealed override int MaxGameID => Legal.MaxGameID_4; // Colo/XD
// Checksums
protected abstract int FooterSize { get; }
private ushort CalcBlockChecksum(byte[] data) => Checksums.CRC16_CCITT(new ReadOnlySpan<byte>(data, 0, data.Length - FooterSize));
private static ushort GetBlockChecksumSaved(byte[] data) => BitConverter.ToUInt16(data, data.Length - 2);
private bool GetBlockChecksumValid(byte[] data) => CalcBlockChecksum(data) == GetBlockChecksumSaved(data);
protected sealed override void SetChecksums()
{
BitConverter.GetBytes(CalcBlockChecksum(General)).CopyTo(General, General.Length - 2);
BitConverter.GetBytes(CalcBlockChecksum(Storage)).CopyTo(Storage, Storage.Length - 2);
// Write blocks back
General.CopyTo(Data, GeneralBlockPosition * PartitionSize);
Storage.CopyTo(Data, (StorageBlockPosition * PartitionSize) + StorageStart);
}
public sealed override bool ChecksumsValid
{
get
{
if (!GetBlockChecksumValid(General))
return false;
if (!GetBlockChecksumValid(Storage))
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");
return list.Count != 0 ? string.Join(Environment.NewLine, list) : "Checksums are valid.";
}
}
private static int GetActiveBlock(byte[] data, int begin, int length)
{
int offset = begin + length - 0x14;
return SAV4BlockDetection.CompareFooters(data, offset, offset + PartitionSize);
}
protected int WondercardFlags = int.MinValue;
protected int AdventureInfo = int.MinValue;
protected int Seal = int.MinValue;
protected int Trainer1;
public int GTS { get; protected set; } = int.MinValue;
// 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);
// Trainer Info
public override string OT
{
get => GetString(General, Trainer1, 16);
set => SetString(value, OTLength).CopyTo(General, Trainer1);
}
public override int TID
{
get => BitConverter.ToUInt16(General, Trainer1 + 0x10);
set => BitConverter.GetBytes((ushort)value).CopyTo(General, Trainer1 + 0x10);
}
public override int SID
{
get => BitConverter.ToUInt16(General, Trainer1 + 0x12);
set => BitConverter.GetBytes((ushort)value).CopyTo(General, Trainer1 + 0x12);
}
public override uint Money
{
get => BitConverter.ToUInt32(General, Trainer1 + 0x14);
set => BitConverter.GetBytes(value).CopyTo(General, Trainer1 + 0x14);
}
public override int Gender
{
get => General[Trainer1 + 0x18];
set => General[Trainer1 + 0x18] = (byte)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 => BitConverter.ToUInt16(General, Trainer1 + 0x20);
set => BitConverter.GetBytes((ushort)value).CopyTo(General, Trainer1 + 0x20);
}
public override int PlayedHours
{
get => BitConverter.ToUInt16(General, Trainer1 + 0x22);
set => BitConverter.GetBytes((ushort)value).CopyTo(General, Trainer1 + 0x22);
}
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 abstract int X2 { get; set; }
public abstract int Y2 { get; set; }
public abstract int Z { get; set; }
public override uint SecondsToStart { get => BitConverter.ToUInt32(General, AdventureInfo + 0x34); set => BitConverter.GetBytes(value).CopyTo(General, AdventureInfo + 0x34); }
public override uint SecondsToFame { get => BitConverter.ToUInt32(General, AdventureInfo + 0x3C); set => BitConverter.GetBytes(value).CopyTo(General, AdventureInfo + 0x3C); }
protected sealed override PKM GetPKM(byte[] data) => new PK4(data);
protected sealed override byte[] DecryptPKM(byte[] data) => PokeCrypto.DecryptArray45(data);
protected sealed override void SetPKM(PKM pkm, bool isParty = false)
{
var pk4 = (PK4)pkm;
// Apply to this Save File
DateTime Date = DateTime.Now;
if (pk4.Trade(OT, TID, SID, Gender, Date.Day, Date.Month, Date.Year))
pkm.RefreshChecksum();
}
// Daycare
public override int GetDaycareSlotOffset(int loc, int slot) => DaycareOffset + (slot * SIZE_PARTY);
public override uint? GetDaycareEXP(int loc, int slot)
{
int ofs = DaycareOffset + ((slot+1)*SIZE_PARTY) - 4;
return BitConverter.ToUInt32(General, ofs);
}
public override bool? IsDaycareOccupied(int loc, int slot) => null; // todo
public override void SetDaycareEXP(int loc, int slot, uint EXP)
{
int ofs = DaycareOffset + ((slot+1)*SIZE_PARTY) - 4;
BitConverter.GetBytes(EXP).CopyTo(General, ofs);
}
public override void SetDaycareOccupied(int loc, int slot, bool occupied)
{
// todo
}
// Mystery Gift
private bool MysteryGiftActive { get => (General[72] & 1) == 1; set => General[72] = (byte)((General[72] & 0xFE) | (value ? 1 : 0)); }
private static bool IsMysteryGiftAvailable(DataMysteryGift[] value)
{
for (int i = 0; i < 8; i++) // 8 PGT
{
if (value[i] is PGT {CardType: not 0})
return true;
}
for (int i = 8; i < 11; i++) // 3 PCD
{
if (value[i] is PCD {Gift: {CardType: not 0}})
return true;
}
return false;
}
private byte[] MatchMysteryGifts(DataMysteryGift[] value)
{
byte[] cardMatch = new byte[8];
for (int i = 0; i < 8; i++)
{
if (value[i] is not PGT pgt)
continue;
if (pgt.CardType == 0) // empty
{
cardMatch[i] = pgt.Slot = 0;
continue;
}
cardMatch[i] = pgt.Slot = 3;
for (byte j = 0; j < 3; j++)
{
if (value[8 + j] is not PCD pcd)
continue;
// Check if data matches (except Slot @ 0x02)
if (!pcd.GiftEquals(pgt))
continue;
if (this is SAV4HGSS)
j++; // hgss 0,1,2; dppt 1,2,3
cardMatch[i] = pgt.Slot = j;
break;
}
}
return cardMatch;
}
public override MysteryGiftAlbum GiftAlbum
{
get
{
var album = new MysteryGiftAlbum(MysteryGiftCards, MysteryGiftReceivedFlags);
album.Flags[2047] = false;
return album;
}
set
{
bool available = IsMysteryGiftAvailable(value.Gifts);
if (available && !MysteryGiftActive)
MysteryGiftActive = true;
value.Flags[2047] = available;
// Check encryption for each gift (decrypted wc4 sneaking in)
foreach (var g in value.Gifts)
{
if (g is PGT pgt)
{
pgt.VerifyPKEncryption();
}
else if (g is PCD pcd)
{
var dg = pcd.Gift;
if (dg.VerifyPKEncryption())
pcd.Gift = dg; // set encrypted gift back to PCD.
}
}
MysteryGiftReceivedFlags = value.Flags;
MysteryGiftCards = value.Gifts;
}
}
protected sealed override bool[] MysteryGiftReceivedFlags
{
get
{
bool[] result = new bool[GiftFlagMax];
for (int i = 0; i < result.Length; i++)
result[i] = (General[WondercardFlags + (i >> 3)] >> (i & 7) & 0x1) == 1;
return result;
}
set
{
if (GiftFlagMax != value.Length)
return;
byte[] data = new byte[value.Length / 8];
for (int i = 0; i < value.Length; i++)
{
if (value[i])
data[i >> 3] |= (byte)(1 << (i & 7));
}
SetData(General, data, WondercardFlags);
}
}
protected sealed override DataMysteryGift[] MysteryGiftCards
{
get
{
DataMysteryGift[] cards = new DataMysteryGift[8 + 3];
for (int i = 0; i < 8; i++) // 8 PGT
cards[i] = new PGT(General.Slice(WondercardData + (i * PGT.Size), PGT.Size));
for (int i = 8; i < 11; i++) // 3 PCD
cards[i] = new PCD(General.Slice(WondercardData + (8 * PGT.Size) + ((i-8) * PCD.Size), PCD.Size));
return cards;
}
set
{
var Matches = MatchMysteryGifts(value); // automatically applied
if (Matches.Length == 0)
return;
for (int i = 0; i < 8; i++) // 8 PGT
{
if (value[i] is PGT)
SetData(General, value[i].Data, WondercardData + (i *PGT.Size));
}
for (int i = 8; i < 11; i++) // 3 PCD
{
if (value[i] is PCD)
SetData(General, value[i].Data, WondercardData + (8 *PGT.Size) + ((i - 8)*PCD.Size));
}
}
}
protected sealed override void SetDex(PKM pkm) => Dex.SetDex(pkm);
public sealed override bool GetCaught(int species) => Dex.GetCaught(species);
public sealed override bool GetSeen(int species) => Dex.GetSeen(species);
public int DexUpgraded
{
get
{
switch (Version)
{
case GameVersion.DP:
if (General[0x1413] != 0) return 4;
else if (General[0x1415] != 0) return 3;
else if (General[0x1404] != 0) return 2;
else if (General[0x1414] != 0) return 1;
else return 0;
case GameVersion.HGSS:
if (General[0x15ED] != 0) return 3;
else if (General[0x15EF] != 0) return 2;
else if (General[0x15EE] != 0 && (General[0x10D1] & 8) != 0) return 1;
else return 0;
case GameVersion.Pt:
if (General[0x1641] != 0) return 4;
else if (General[0x1643] != 0) return 3;
else if (General[0x1640] != 0) return 2;
else if (General[0x1642] != 0) return 1;
else 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(byte[] data, int offset, int length) => StringConverter4.GetString4(data, offset, length);
public sealed override byte[] SetString(string value, int maxLength, int PadToSize = 0, ushort PadWith = 0)
{
if (PadToSize == 0)
PadToSize = maxLength + 1;
return StringConverter4.SetString4(value, maxLength, PadToSize, PadWith);
}
/// <summary> All Event Constant values for the savegame </summary>
public sealed override ushort[] GetEventConsts()
{
if (EventConstMax <= 0)
return Array.Empty<ushort>();
ushort[] Constants = new ushort[EventConstMax];
for (int i = 0; i < Constants.Length; i++)
Constants[i] = BitConverter.ToUInt16(General, EventConst + (i * 2));
return Constants;
}
/// <summary> All Event Constant values for the savegame </summary>
public sealed override void SetEventConsts(ushort[] value)
{
if (EventConstMax <= 0)
return;
if (value.Length != EventConstMax)
return;
for (int i = 0; i < value.Length; i++)
BitConverter.GetBytes(value[i]).CopyTo(General, EventConst + (i * 2));
}
// Seals
private const byte SealMaxCount = 99;
public byte[] GetSealCase() => General.Slice(Seal, (int)Seal4.MAX);
public void SetSealCase(byte[] value) => SetData(General, value, Seal);
public byte GetSealCount(Seal4 id) => General[Seal + (int)id];
public byte SetSealCount(Seal4 id, byte count) => General[Seal + (int)id] = Math.Min(SealMaxCount, count);
public void SetAllSeals(byte count, bool unreleased = false)
{
var sealIndexCount = (int)(unreleased ? Seal4.MAX : Seal4.MAXLEGAL);
var val = Math.Min(count, SealMaxCount);
for (int i = 0; i < sealIndexCount; i++)
General[Seal + i] = val;
}
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);
public Mail4 GetMail(int i)
{
int ofs = GetMailOffset(i);
return new Mail4(GetMailData(ofs), ofs);
}
}
}