protected int OnExecute(CommandLineApplication app)
{
var outputDir = OutputDir ?? Path.Combine(Path.GetDirectoryName(InputIso), "extract");
using var stream = File.OpenRead(InputIso);
var firstBlock = IsoUtility.GetFileOffset(stream, "SYSTEM.CNF;1");
if (firstBlock == -1)
{
throw new IOException("The file specified seems to not be a valid PlayStation 2 ISO.");
}
var kingdomIdxBlock = IsoUtility.GetFileOffset(stream, "KINGDOM.IDX;1");
if (kingdomIdxBlock == -1)
{
throw new IOException("The file specified seems to not be a Kingdom Hearts 1 ISO");
}
var idx = Idx1.Read(stream.SetPosition(kingdomIdxBlock * IsoBlockAlign));
var img = new Img1(stream, idx, firstBlock);
ExtractIdx(img, outputDir, DoNotExtractAgain);
return(0);
}
protected int OnExecute(CommandLineApplication app)
{
using var stream = File.OpenRead(InputIso);
var firstBlock = IsoUtility.GetFileOffset(stream, "SYSTEM.CNF;1");
if (firstBlock == -1)
{
throw new IOException("The file specified seems to not be a valid PlayStation 2 ISO.");
}
var kingdomIdxBlock = IsoUtility.GetFileOffset(stream, "KINGDOM.IDX;1");
if (kingdomIdxBlock == -1)
{
throw new IOException("The file specified seems to not be a Kingdom Hearts 1 ISO");
}
var idx = Idx1.Read(stream.SetPosition(kingdomIdxBlock * IsoBlockAlign));
foreach (var entry in idx.OrderBy(x => x.IsoBlock))
{
Console.WriteLine(Idx1Name.Lookup(entry) ?? $"@{entry.Hash:X08}");
}
return(0);
}
protected int OnExecute(CommandLineApplication app)
{
const long EsitmatedMaximumImgFileSize = 4L * 1024 * 1024 * 1024; // 4GB
const int EsitmatedMaximumIdxFileSize = 600 * 1024; // 600KB
const int EstimatedMaximumIdxEntryAmountToBeValid = EsitmatedMaximumIdxFileSize / 0x10 - 4;
using var isoStream = File.Open(InputIso, FileMode.Open, FileAccess.ReadWrite);
if (IdxIsoBlock == -1 || ImgIsoBlock == -1)
{
var bufferedStream = new BufferedStream(isoStream);
IdxIsoBlock = IsoUtility.GetFileOffset(bufferedStream, "KH2.IDX;1");
ImgIsoBlock = IsoUtility.GetFileOffset(bufferedStream, "KH2.IMG;1");
if (IdxIsoBlock == -1 || ImgIsoBlock == -1)
{
throw new IOException("Could not determine the LBA Offsets of KH2.IDX or KH2.IMG, is this ISO valid?");
}
}
var idxStream = OpenIsoSubStream(isoStream, IdxIsoBlock, EsitmatedMaximumIdxFileSize);
using var imgStream = OpenIsoSubStream(isoStream, ImgIsoBlock, EsitmatedMaximumImgFileSize);
var idxEntryCount = idxStream.ReadInt32();
if (idxEntryCount > EstimatedMaximumIdxEntryAmountToBeValid)
{
throw new CustomException("There is a high chance that the IDX block is not valid, therefore the injection will terminate to avoid corruption.");
}
var idxEntries = Idx.Read(idxStream.SetPosition(0));
var entry = idxEntries.FirstOrDefault(x => x.Hash32 == Idx.GetHash32(FilePath) && x.Hash16 == Idx.GetHash16(FilePath));
if (entry == null)
{
idxStream = GetIdxStreamWhichContainsTargetedFile(idxEntries, imgStream, FilePath);
if (idxStream == null)
{
throw new CustomException($"The file {FilePath} has not been found inside the KH2.IDX, therefore the injection will terminate.");
}
idxEntries = Idx.Read(idxStream.SetPosition(0));
entry = idxEntries.FirstOrDefault(x => x.Hash32 == Idx.GetHash32(FilePath) && x.Hash16 == Idx.GetHash16(FilePath));
}
var inputData = File.ReadAllBytes(InputFile);
var decompressedLength = inputData.Length;
if (Uncompressed == false)
{
inputData = Img.Compress(inputData);
}
var blockCountRequired = (inputData.Length + 0x7ff) / 0x800 - 1;
if (blockCountRequired > entry.BlockLength)
{
throw new CustomException($"The file to inject is too big: the actual is {inputData.Length} but the maximum allowed is {GetLength(entry.BlockLength)}.");
}
imgStream.SetPosition(GetOffset(entry.Offset));
// Clean completely the content of the previous file to not mess up the decompression
imgStream.Write(new byte[GetLength(entry.BlockLength)]);
imgStream.SetPosition(GetOffset(entry.Offset));
imgStream.Write(inputData);
entry.IsCompressed = !Uncompressed;
entry.Length = decompressedLength;
// we are intentionally not patching entry.BlockLength because it would not allow to insert back bigger files.
Idx.Write(idxStream.SetPosition(0), idxEntries);
return(0);
}
