/*************************************************************
*************************************************************/
public bool AnalyseISO(ODD odd)
{
bool IsPlain = true;
try
{
using (DiscStream inputStream = new DiscStream(odd))
{
byte[] buffer = new byte[0x1000];
inputStream.Read(buffer, 0, 0x1000);
NumPlainRegions = BitConverter.ToUInt32(buffer, 0).Swap();
Regions = new Region[(NumPlainRegions * 2) - 1];
if (buffer[0xF70 + 0xA] != '3' || buffer[0xF70 + 0xB] != 'K')
{
Interaction.Instance.ReportMessage("Invalid ISO file. This file does not contain PIC/D1/D2 data");
return(false);
}
IsDecrypting = buffer[0xF70] != 0x44; // Begins with E or D
IsBuildedISO = buffer[0xF70 + 0xD] == 0x42; // End in BLD
IsValidHash = IsBuildedISO && buffer[0xF70 + 0xF] != 0x44; // Ends in BLF
int pos = 8;
UInt32 Current = BitConverter.ToUInt32(buffer, pos).Swap();
pos += 4;
for (UInt32 i = 0; i < (2 * NumPlainRegions) - 1; i++)
{
UInt32 Next = BitConverter.ToUInt32(buffer, pos).Swap();
pos += 4;
if (IsPlain)
{
Regions[i] = new PlainRegion(i, IsDecrypting, IsBuildedISO, IsValidHash, Current, Next);
}
else
{
Regions[i] = IsDecrypting
? (Region) new CryptedRegion(i, inputStream.Data1, inputStream.Data2, Current, Next, false)
: new DecryptedRegion(i, inputStream.Data1, inputStream.Data2, Current, Next, false);
}
IsPlain = !IsPlain;
Current = Next;
}
/* Record this for later */
amountOfSectors = Current;
// Game ID is at offset 0x810, length = 10
GameID = Encoding.ASCII.GetString(buffer, 0x810, 10);
}
}
catch (Exception e)
{
Console.WriteLine(e);
return(false);
}
return(true);
}
/*****************************************************
*****************************************************/
public async Task DoRip(CancellationToken cancellation)
{
string isoFileName = await Interaction.Instance.GetIsoPath(null);
if (string.IsNullOrEmpty(isoFileName))
{
return;
}
Interaction.Instance.TaskBegin();
try
{
using (FileStream isoFile = new FileStream(isoFileName, FileMode.Create, FileAccess.Write))
{
using (DiscStream ds = new DiscStream(this))
{
long amountOfBytesToRead = ds.Length;
long totalRead = 0;
Interaction.Instance.SetProgressMaximum((int)amountOfBytesToRead.RoundToSector());
while (amountOfBytesToRead > 0)
{
byte[] buffer = new byte[0x20 * Utilities.SectorSize];
int bytesRead = await ds.ReadAsync(buffer, 0, buffer.Length);
await isoFile.WriteAsync(buffer, 0, bytesRead);
if (cancellation.IsCancellationRequested)
{
break;
}
totalRead += bytesRead;
amountOfBytesToRead -= bytesRead;
Interaction.Instance.ReportProgress((int)totalRead.RoundToSector());
}
}
}
Interaction.Instance.ReportMessage("Rip complete");
}
catch (Exception e)
{
Interaction.Instance.ReportMessage(e.Message, ReportType.Fail);
}
Interaction.Instance.TaskComplete();
/*
* UInt32 CurrentSector = 0;
* byte[] picData = new byte[0x73];
* byte[] Data1 = new byte[0x10];
* byte[] Data2 = new byte[0x10];
*
* byte[] DataBuffer = new byte[0x20 * Utilities.SectorSize];
*
* FileStream ISOFile;
* BinaryWriter bw;
*
* // Read the PIC data
* if (CDB.DoReadPICZone(picData) != CDB.IoResult.OK)
* {
* Interaction.Instance.ReportMessage("Cannot read PIC data", ReportType.Fail);
* Interaction.Instance.TaskComplete();
* return;
* }
* // Read the Data1/Data2
* if (EstablishSessionKeys(0, Key1, Key2) == false)
* {
* Interaction.Instance.ReportMessage("Cannot establish session keys", ReportType.Fail);
* Interaction.Instance.TaskComplete();
* return;
* }
* if (GetData(Data1, Data2) == false)
* {
* Interaction.Instance.ReportMessage("Cannot extract D1/D2 keys", ReportType.Fail);
* Interaction.Instance.TaskComplete();
* return;
* }
* if (EstablishSessionKeys(1, FixedKey30, FixedKey31) == false)
* {
* Interaction.Instance.ReportMessage("Cannot establish session keys", ReportType.Fail);
* Interaction.Instance.TaskComplete();
* return;
* }
*
* // Read the game capacity
* uint NumSectors = GetNumSectors();
*
* if (ReadWithRetry(DataBuffer, CurrentSector, 0x20) == false)
* {
* Interaction.Instance.ReportMessage("Failed to read from the disc", ReportType.Fail);
* Interaction.Instance.TaskComplete();
* return;
* }
*
* // Open the ISO file
* try
* {
* ISOFile = new FileStream(theIsoFileName, FileMode.Create, FileAccess.Write);
* bw = new BinaryWriter(ISOFile);
* }
* catch (Exception ee)
* {
* string fail = ee.Message;
* gameRipWorker.ReportProgress(0, fail);
* return false;
* }
*
* Array.Copy(Utilities.Encrypted3KISO, 0, DataBuffer, 0xF70, 0x10);
* Array.Copy(Data1, 0, DataBuffer, 0xF80, 0x10);
* Array.Copy(Data2, 0, DataBuffer, 0xF90, 0x10);
* Array.Copy(picData, 0, DataBuffer, 0xFA0, 0x73);
* bw.Write(DataBuffer, 0, (int)(0x20 * Utilities.SectorSize));
*
* CurrentSector = 0x20;
*
* CDB.DoSetCDROMSpeed(0xFFFF);
*
* while (CurrentSector <= NumSectors)
* {
* if (gameRipWorker.CancellationPending)
* {
* bw.Close();
* ISOFile.Close();
* return true;
* }
* if (ReadWithRetry(DataBuffer, CurrentSector, 0x20) == false)
* {
* bw.Close();
* ISOFile.Close();
* return false;
* }
* bw.Write(DataBuffer, 0, (int)(0x20 * Utilities.SectorSize));
*
* CurrentSector += 0x20;
* gameRipWorker.ReportProgress((int)CurrentSector, null);
* }
*
* if (NumSectors > CurrentSector)
* {
* if (gameRipWorker.CancellationPending)
* {
* bw.Close();
* ISOFile.Close();
* return true;
* }
* if (ReadWithRetry(DataBuffer, CurrentSector, (NumSectors - CurrentSector)) == false)
* {
* bw.Close();
* ISOFile.Close();
* return false;
* }
* bw.Write(DataBuffer, 0, (int)((NumSectors - CurrentSector) * Utilities.SectorSize));
* }
* bw.Close();
* ISOFile.Close();
* return true;
*/
}