PKHeX/PKHeX.Core/Saves/SAV3XD.cs

389 lines
15 KiB
C#

using System;
using System.Linq;
namespace PKHeX.Core
{
/// <summary>
/// Generation 3 <see cref="SaveFile"/> object for Pokémon XD saves.
/// </summary>
public sealed class SAV3XD : SaveFile
{
protected override string BAKText => $"{OT} ({Version}) #{SaveCount:0000}";
public override string Filter
{
get
{
if (IsMemoryCardSave)
return "Memory Card Raw File|*.raw|Memory Card Binary File|*.bin|GameCube Save File|*.gci|All Files|*.*";
return "GameCube Save File|*.gci|All Files|*.*";
}
}
public override string Extension => IsMemoryCardSave ? ".raw" : ".gci";
private const int SLOT_SIZE = 0x28000;
private const int SLOT_START = 0x6000;
private const int SLOT_COUNT = 2;
private readonly int SaveCount = -1;
private readonly int SaveIndex = -1;
private readonly int Memo, Shadow;
private readonly StrategyMemo StrategyMemo;
private readonly ShadowInfoTableXD ShadowInfo;
public int MaxShadowID => ShadowInfo.Count;
private readonly ushort[] LegalItems, LegalKeyItems, LegalBalls, LegalTMHMs, LegalBerries, LegalCologne, LegalDisc;
private readonly int OFS_PouchCologne, OFS_PouchDisc;
private readonly int[] subOffsets = new int[16];
private readonly SAV3GCMemoryCard MC;
private bool IsMemoryCardSave => MC != null;
public SAV3XD(byte[] data, SAV3GCMemoryCard MC) : this(data) { this.MC = MC; BAK = MC.Data; }
public SAV3XD(byte[] data = null)
{
Data = data ?? new byte[SaveUtil.SIZE_G3XD];
BAK = (byte[])Data.Clone();
Exportable = !IsRangeEmpty(0, Data.Length);
if (SaveUtil.GetIsG3XDSAV(Data) != GameVersion.XD)
return;
// Scan all 3 save slots for the highest counter
for (int i = 0; i < SLOT_COUNT; i++)
{
int slotOffset = SLOT_START + (i * SLOT_SIZE);
int SaveCounter = BigEndian.ToInt32(Data, slotOffset + 4);
if (SaveCounter <= SaveCount)
continue;
SaveCount = SaveCounter;
SaveIndex = i;
}
// Decrypt most recent save slot
{
byte[] slot = new byte[SLOT_SIZE];
int slotOffset = SLOT_START + (SaveIndex * SLOT_SIZE);
Array.Copy(Data, slotOffset, slot, 0, slot.Length);
ushort[] keys = new ushort[4];
for (int i = 0; i < keys.Length; i++)
keys[i] = BigEndian.ToUInt16(slot, 8 + (i * 2));
// Decrypt Slot
Data = SaveUtil.DecryptGC(slot, 0x00010, 0x27FD8, keys);
}
// Get Offset Info
ushort[] subLength = new ushort[16];
for (int i = 0; i < 16; i++)
{
subLength[i] = BigEndian.ToUInt16(Data, 0x20 + (2 * i));
subOffsets[i] = BigEndian.ToUInt16(Data, 0x40 + (4 * i)) | BigEndian.ToUInt16(Data, 0x40 + (4 * i) + 2) << 16;
}
// Offsets are displaced by the 0xA8 savedata region
Trainer1 = subOffsets[1] + 0xA8;
Party = Trainer1 + 0x30;
Box = subOffsets[2] + 0xA8;
Daycare = subOffsets[4] + 0xA8;
Memo = subOffsets[5] + 0xA8;
Shadow = subOffsets[7] + 0xA8;
// Purifier = subOffsets[14] + 0xA8;
StrategyMemo = new StrategyMemo(Data, Memo, xd: true);
ShadowInfo = new ShadowInfoTableXD(Data.Skip(Shadow).Take(subLength[7]).ToArray());
OFS_PouchHeldItem = Trainer1 + 0x4C8;
OFS_PouchKeyItem = Trainer1 + 0x540;
OFS_PouchBalls = Trainer1 + 0x5EC;
OFS_PouchTMHM = Trainer1 + 0x62C;
OFS_PouchBerry = Trainer1 + 0x72C;
OFS_PouchCologne = Trainer1 + 0x7E4;
OFS_PouchDisc = Trainer1 + 0x7F0;
LegalItems = Legal.Pouch_Items_XD;
LegalKeyItems = Legal.Pouch_Key_XD;
LegalBalls = Legal.Pouch_Ball_RS;
LegalTMHMs = Legal.Pouch_TM_RS; // not HMs
LegalBerries = Legal.Pouch_Berries_RS;
LegalCologne = Legal.Pouch_Cologne_XD;
LegalDisc = Legal.Pouch_Disc_XD;
Personal = PersonalTable.RS;
HeldItems = Legal.HeldItems_XD;
if (!Exportable)
ClearBoxes();
// Since PartyCount is not stored in the save file,
// Count up how many party slots are active.
for (int i = 0; i < 6; i++)
{
if (GetPartySlot(GetPartyOffset(i)).Species != 0)
PartyCount++;
}
}
public override byte[] Write(bool DSV, bool GCI)
{
// Set Memo Back
StrategyMemo.FinalData.CopyTo(Data, Memo);
ShadowInfo.FinalData.CopyTo(Data, Shadow);
SetChecksums();
// Get updated save slot data
ushort[] keys = new ushort[4];
for (int i = 0; i < keys.Length; i++)
keys[i] = BigEndian.ToUInt16(Data, 8 + (i * 2));
byte[] newSAV = SaveUtil.EncryptGC(Data, 0x10, 0x27FD8, keys);
// Put save slot back in original save data
byte[] newFile = MC != null ? MC.SelectedSaveData : (byte[])BAK.Clone();
Array.Copy(newSAV, 0, newFile, SLOT_START + (SaveIndex * SLOT_SIZE), newSAV.Length);
// Return the gci if Memory Card is not being exported
if (!IsMemoryCardSave || GCI)
return Header.Concat(newFile).ToArray();
MC.SelectedSaveData = newFile.ToArray();
return MC.Data;
}
// Configuration
public override SaveFile Clone()
{
byte[] data = Write(DSV: false, GCI: true).Skip(Header.Length).ToArray();
var sav = new SAV3XD(data) {Header = (byte[]) Header.Clone()};
return sav;
}
public override int SIZE_STORED => PKX.SIZE_3XSTORED;
protected override int SIZE_PARTY => PKX.SIZE_3XSTORED; // unused
public override PKM BlankPKM => new XK3();
public override Type PKMType => typeof(XK3);
public override int MaxMoveID => Legal.MaxMoveID_3;
public override int MaxSpeciesID => Legal.MaxSpeciesID_3;
public override int MaxAbilityID => Legal.MaxAbilityID_3;
public override int MaxBallID => Legal.MaxBallID_3;
public override int MaxItemID => Legal.MaxItemID_3_XD;
public override int MaxGameID => Legal.MaxGameID_3;
public override int MaxEV => 255;
public override int Generation => 3;
protected override int GiftCountMax => 1;
public override int OTLength => 7;
public override int NickLength => 10;
public override int MaxMoney => 999999;
public override int BoxCount => 8;
public override bool IsPKMPresent(int Offset) => PKX.IsPKMPresentGC(Data, Offset);
// Checksums
protected override void SetChecksums()
{
Data = SetChecksums(Data, subOffsets[0]);
}
public override bool ChecksumsValid => !ChecksumInfo.Contains("Invalid");
public override string ChecksumInfo
{
get
{
byte[] data = SetChecksums(Data, subOffsets[0]);
const int start = 0xA8; // 0x88 + 0x20
int oldHC = BigEndian.ToInt32(Data, start + subOffsets[0] + 0x38);
int newHC = BigEndian.ToInt32(data, start + subOffsets[0] + 0x38);
bool header = newHC == oldHC;
var oldCHK = Data.Skip(0x10).Take(0x10);
var newCHK = data.Skip(0x10).Take(0x10);
bool body = newCHK.SequenceEqual(oldCHK);
return $"Header Checksum {(header ? "V" : "Inv")}alid, Body Checksum {(body ? "V" : "Inv")}alid.";
}
}
private static byte[] SetChecksums(byte[] input, int subOffset0)
{
if (input.Length != 0x28000)
throw new ArgumentException("Input should be a slot, not the entire save binary.");
byte[] data = (byte[])input.Clone();
const int start = 0xA8; // 0x88 + 0x20
// Header Checksum
int newHC = 0;
for (int i = 0; i < 8; i++)
newHC += data[i];
BigEndian.GetBytes(newHC).CopyTo(data, start + subOffset0 + 0x38);
// Body Checksum
new byte[16].CopyTo(data, 0x10); // Clear old Checksum Data
uint[] checksum = new uint[4];
int dt = 8;
for (int i = 0; i < 4; i++)
{
for (int j = 0; j < 0x9FF4; j += 2, dt += 2)
checksum[i] += BigEndian.ToUInt16(data, dt);
}
ushort[] newchks = new ushort[8];
for (int i = 0; i < 4; i++)
{
newchks[i*2] = (ushort)(checksum[i] >> 16);
newchks[(i * 2) + 1] = (ushort)checksum[i];
}
Array.Reverse(newchks);
for (int i = 0; i < newchks.Length; i++)
BigEndian.GetBytes(newchks[i]).CopyTo(data, 0x10 + (2 * i));
return data;
}
// Trainer Info
public override GameVersion Version { get => GameVersion.XD; protected set { } }
public override string OT { get => GetString(Trainer1 + 0x00, 20); set => SetString(value, 10).CopyTo(Data, Trainer1 + 0x00); }
public override int SID { get => BigEndian.ToUInt16(Data, Trainer1 + 0x2C); set => BigEndian.GetBytes((ushort)value).CopyTo(Data, Trainer1 + 0x2C); }
public override int TID { get => BigEndian.ToUInt16(Data, Trainer1 + 0x2E); set => BigEndian.GetBytes((ushort)value).CopyTo(Data, Trainer1 + 0x2E); }
public override int Gender { get => Data[Trainer1 + 0x8E0]; set => Data[Trainer1 + 0x8E0] = (byte)value; }
public override uint Money { get => BigEndian.ToUInt32(Data, Trainer1 + 0x8E4); set => BigEndian.GetBytes(value).CopyTo(Data, Trainer1 + 0x8E4); }
public uint Coupons { get => BigEndian.ToUInt32(Data, Trainer1 + 0x8E8); set => BigEndian.GetBytes(value).CopyTo(Data, Trainer1 + 0x8E8); }
// Storage
public override int GetPartyOffset(int slot)
{
return Party + (SIZE_STORED * slot);
}
public override int GetBoxOffset(int box)
{
return Box + (((30 * SIZE_STORED) + 0x14)*box) + 0x14;
}
public override string GetBoxName(int box)
{
return GetString(Box + (((30 * SIZE_STORED) + 0x14)*box), 16);
}
public override void SetBoxName(int box, string value)
{
if (value.Length > 8)
value = value.Substring(0, 8); // Hard cap
SetString(value, 8).CopyTo(Data, Box + (0x24A4 * box));
}
public override PKM GetPKM(byte[] data)
{
return new XK3(data.Take(SIZE_STORED).ToArray());
}
public override byte[] DecryptPKM(byte[] data)
{
return data;
}
public override PKM GetPartySlot(int offset)
{
return GetStoredSlot(offset);
}
public override PKM GetStoredSlot(int offset)
{
// Get Shadow Data
var pk = (XK3)GetPKM(DecryptPKM(GetData(offset, SIZE_STORED)));
if (pk.ShadowID > 0 && pk.ShadowID < ShadowInfo.Count)
pk.Purification = ShadowInfo[pk.ShadowID - 1].Purification;
return pk;
}
protected override void SetPKM(PKM pkm)
{
if (!(pkm is XK3 pk))
return; // shouldn't ever hit
if (pk.CurrentRegion == 0)
pk.CurrentRegion = 2; // NTSC-U
if (pk.OriginalRegion == 0)
pk.OriginalRegion = 2; // NTSC-U
// Set Shadow Data back to save
if (pk.ShadowID <= 0 || pk.ShadowID >= ShadowInfo.Count)
return;
var entry = ShadowInfo[pk.ShadowID - 1];
entry.Purification = pk.Purification;
entry.Species = pk.Species;
entry.PID = pk.PID;
entry.IsPurified = pk.Purification == 0;
}
protected override void SetDex(PKM pkm)
{
// Dex Related
var entry = StrategyMemo.GetEntry(pkm.Species);
if (entry.IsEmpty) // Populate
{
entry.Species = pkm.Species;
entry.PID = pkm.PID;
entry.TID = pkm.TID;
entry.SID = pkm.SID;
}
if (entry.Matches(pkm.Species, pkm.PID, pkm.TID, pkm.SID))
{
entry.Seen = true;
entry.Owned = true;
}
StrategyMemo.SetEntry(entry);
}
public override InventoryPouch[] Inventory
{
get
{
InventoryPouch[] pouch =
{
new InventoryPouch3GC(InventoryType.Items, LegalItems, 999, OFS_PouchHeldItem, 30), // 20 COLO, 30 XD
new InventoryPouch3GC(InventoryType.KeyItems, LegalKeyItems, 1, OFS_PouchKeyItem, 43),
new InventoryPouch3GC(InventoryType.Balls, LegalBalls, 999, OFS_PouchBalls, 16),
new InventoryPouch3GC(InventoryType.TMHMs, LegalTMHMs, 999, OFS_PouchTMHM, 64),
new InventoryPouch3GC(InventoryType.Berries, LegalBerries, 999, OFS_PouchBerry, 46),
new InventoryPouch3GC(InventoryType.Medicine, LegalCologne, 999, OFS_PouchCologne, 3), // Cologne
new InventoryPouch3GC(InventoryType.BattleItems, LegalDisc, 999, OFS_PouchDisc, 60)
};
foreach (var p in pouch)
p.GetPouch(Data);
return pouch;
}
set
{
foreach (var p in value)
p.SetPouch( Data);
}
}
// Daycare Structure:
// 0x00 -- Occupied
// 0x01 -- Deposited Level
// 0x02-0x03 -- unused?
// 0x04-0x07 -- Initial EXP
public override int GetDaycareSlotOffset(int loc, int slot) { return Daycare + 8; }
public override uint? GetDaycareEXP(int loc, int slot) { return null; }
public override bool? IsDaycareOccupied(int loc, int slot) { return null; }
public override void SetDaycareEXP(int loc, int slot, uint EXP) { }
public override void SetDaycareOccupied(int loc, int slot, bool occupied) { }
public override string GetString(byte[] data, int offset, int length) => StringConverter.GetBEString3(data, offset, length);
public override byte[] SetString(string value, int maxLength, int PadToSize = 0, ushort PadWith = 0)
{
if (PadToSize == 0)
PadToSize = maxLength + 1;
return StringConverter.SetBEString3(value, maxLength, PadToSize, PadWith);
}
}
}