/// <summary>
/// Load a BND4 file into the existing object, overwriting existing data.
/// </summary>
/// <param name="filePath"></param>
public void LoadInPlace(string filePath)
{
Utils.Assert(File.Exists(filePath), "File does not exist");
using (BinReader bin = new BinReader(File.OpenRead(filePath)))
{
if (DEBUG)
{
Console.WriteLine("[DEBUG] READ BND4 HEADERS");
}
header = bin.ReadStruct <BND4Header>();
header.AssertIntegrity();
isUnicode = header.isUnicode;
entries = new BND4Entry[header.fileCnt];
for (int i = 0; i < header.fileCnt; i++)
{
if (DEBUG)
{
Console.WriteLine(string.Format("[DEBUG] READ ENTRY HEADER {0}/{1}", i + 1, header.fileCnt));
}
entries[i] = new BND4Entry();
entries[i].header = bin.ReadStruct <BND4EntryHeader>();
entries[i].header.AssertIntegrity();
if (DEBUG)
{
Console.WriteLine(string.Format("[DEBUG] READ ENTRY NAME {0}/{1}", i + 1, header.fileCnt));
}
bin.StepInto(entries[i].header.entryNameOffset);
entries[i].name = header.isUnicode ? bin.ReadWideString() : bin.ReadShiftJIS();
bin.StepOut();
if (DEBUG)
{
Console.WriteLine(string.Format("[DEBUG] READ ENTRY DATA {0}/{1}", i + 1, header.fileCnt));
}
bin.StepInto(entries[i].header.entryDataOffset);
entries[i].data = bin.ReadBytes((int)entries[i].header.entrySize);
bin.StepOut();
}
if (DEBUG)
{
Console.WriteLine("[DEBUG] READ COMPLETE");
}
}
}
/// <summary>
/// Patch the DS3 account flag that controls if a save can be opened by a user.
/// </summary>
/// <param name="steamID"></param>
public void PatchDS3AccountFlag(ulong steamID)
{
if (DEBUG)
{
Console.WriteLine("[DEBUG] PATCH MENU ACCOUNT FLAG...");
}
BND4Entry menuEntry = entries[10];
// Overwrite account flag in menu file (Responsible for "Cannot load save" msg on startup)
byte[] menuData = menuEntry.DecryptData();
Array.Copy(BitConverter.GetBytes(steamID), 0, menuData, 0x8, 8);
menuEntry.SetEncryptedData(menuData);
// Get used save slots bool array to overwrite save-specific account flags
byte[] usedCharSlots = new byte[10];
Array.Copy(menuData, 0x1098, usedCharSlots, 0, 10);
// For each used char. slot, patch its account flag
for (int i = 0; i < 10; i++)
{
if (0 == usedCharSlots[i])
{
continue;
}
if (DEBUG)
{
Console.WriteLine("[DEBUG] PATCH ACCOUNT FLAG CHAR #" + i.ToString());
}
byte[] slotData = entries[i].DecryptData();
// This offset always seems to go 0x6F under the account flag
uint flagOffset = BitConverter.ToUInt32(slotData, 0x58) + 0x6F;
Array.Copy(BitConverter.GetBytes(steamID), 0, slotData, flagOffset, 8);
entries[i].SetEncryptedData(slotData);
}
if (DEBUG)
{
Console.WriteLine("[DEBUG] ACCOUNT FLAG PATCHED");
}
}