public SAV4BR(byte[] data = null)
{
Data = data ?? new byte[SaveUtil.SIZE_G4BR];
BAK = (byte[])Data.Clone();
Exportable = !IsRangeEmpty(0, Data.Length);
if (SaveUtil.GetIsG4BRSAV(Data) != GameVersion.BATREV)
{
return;
}
Data = DecryptPBRSaveData(data);
// Detect active save
SaveCount = Math.Max(BigEndian.ToUInt32(Data, 0x1C004C), BigEndian.ToUInt32(Data, 0x4C));
if (BigEndian.ToUInt32(Data, 0x1C004C) > BigEndian.ToUInt32(Data, 0x4C))
{
byte[] tempData = new byte[0x1C0000];
Array.Copy(Data, 0, tempData, 0, 0x1C0000);
Array.Copy(Data, 0x1C0000, Data, 0, 0x1C0000);
tempData.CopyTo(Data, 0x1C0000);
}
for (int i = 0; i < SAVE_COUNT; i++)
{
if (!IsOTNamePresent(i))
{
continue;
}
SaveSlots.Add(i);
SaveNames.Add(GetOTName(i).Trim());
}
CurrentSlot = SaveSlots[0];
Personal = PersonalTable.DP;
HeldItems = Legal.HeldItems_DP;
if (!Exportable)
{
ClearBoxes();
}
}
private byte[] GetInnerData()
{
// Set Memo Back
StrategyMemo.Write().CopyTo(Data, Memo);
ShadowInfo.Write().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 = GCSaveUtil.Encrypt(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(newFile);
}
public override byte[] Write(bool DSV)
{
// 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 = (byte[])OriginalData.Clone();
Array.Copy(newSAV, 0, newFile, SLOT_START + SaveIndex * SLOT_SIZE, newSAV.Length);
return(Header.Concat(newFile).ToArray());
}
private void InitializeData(byte[] data)
{
Data = DecryptPBRSaveData(data);
// Detect active save
var first = BigEndian.ToUInt32(Data, 0x00004C);
var second = BigEndian.ToUInt32(Data, 0x1C004C);
SaveCount = Math.Max(second, first);
if (second > first)
{
// swap halves
byte[] tempData = new byte[0x1C0000];
Array.Copy(Data, 0, tempData, 0, 0x1C0000);
Array.Copy(Data, 0x1C0000, Data, 0, 0x1C0000);
tempData.CopyTo(Data, 0x1C0000);
}
var names = (string[])SaveNames;
for (int i = 0; i < SAVE_COUNT; i++)
{
var name = GetOTName(i);
if (string.IsNullOrWhiteSpace(name))
{
name = $"Empty {i + 1}";
}
else if (_currentSlot == -1)
{
_currentSlot = i;
}
names[i] = name;
}
if (_currentSlot == -1)
{
_currentSlot = 0;
}
CurrentSlot = _currentSlot;
}
/// <summary>Checks to see if the data belongs to a Gen3 Box RS save</summary>
/// <param name="data">Save data of which to determine the type</param>
/// <returns>Version Identifier or Invalid if type cannot be determined.</returns>
internal static GameVersion GetIsG3BOXSAV(byte[] data)
{
if (data.Length != SIZE_G3BOX && data.Length != SIZE_G3BOXGCI)
return Invalid;
byte[] sav = data;
// Verify first checksum
ushort chk = 0; // initial value
var ofs = data.Length - SIZE_G3BOX + 0x2000;
for (int i = 0x4; i < 0x1FFC; i += 2)
chk += BigEndian.ToUInt16(sav, ofs + i);
ushort chkA = chk;
ushort chkB = (ushort)(0xF004 - chkA);
ushort CHK_A = BigEndian.ToUInt16(sav, ofs + 0);
ushort CHK_B = BigEndian.ToUInt16(sav, ofs + 2);
return CHK_A == chkA && CHK_B == chkB ? RSBOX : Invalid;
}
private static bool GetIsRanchPlat(byte[] data) => data.Length == SIZE_G4RANCH_PLAT && BigEndian.ToUInt32(data, 0x268C) != 0;
private static bool GetIsBank3(byte[] data) => data.Length == SIZE_G4BANK && BitConverter.ToUInt32(data, 0x3FC00) == 0; // size collision with ^ private static bool GetIsRanchDP(byte[] data) => data.Length == SIZE_G4RANCH && BigEndian.ToUInt32(data, 0x22AC) != 0;
private static bool GetIsBank3(byte[] data) => data.Length == SIZE_G4BANK && BitConverter.ToUInt32(data, 0x3FC00) == 0; // size collision with ^ private static bool GetIsRanch4(byte[] data) => (data.Length == SIZE_G4RANCH && BigEndian.ToUInt32(data, 0x22AC) != 0) || (data.Length == SIZE_G4RANCH_PLAT && BigEndian.ToUInt32(data, 0x268C) != 0);