public async Task Initialize(IReadOnlyBinaryDataAccessor data)
{
this.RawData = data;
if (Header != null && Header.RomFsSize > 0)
{
if (Header.ExeFsOffset > 0 && Header.ExeFsSize > 0)
{
ExeFs = await ExeFs.Load(data.Slice((long)Header.ExeFsOffset *MediaUnitSize, (long)Header.ExeFsSize *MediaUnitSize));
}
if (Header.RomFsOffset > 0 && Header.RomFsOffset > 0)
{
RomFs = await RomFs.Load(data.Slice((long)Header.RomFsOffset *MediaUnitSize, (long)Header.RomFsSize *MediaUnitSize));
}
if (Header.ExHeaderSize > 0)
{
ExHeader = await NcchExtendedHeader.Load(data.Slice(0x200, Header.ExHeaderSize));
}
PlainRegion = await data.ReadStringAsync(Header.PlainRegionOffset *MediaUnitSize, Header.PlainRegionSize *MediaUnitSize, Encoding.ASCII);
Logo = await data.ReadArrayAsync(Header.LogoRegionOffset *MediaUnitSize, Header.LogoRegionSize *MediaUnitSize);
}
}
/// <summary>
/// Builds a new NCCH partition from the given directory
/// </summary>
/// <param name="fileSystem">File system from which to load the files</param>
/// <returns>A newly built NCCH partition</returns>
public static async Task <NcchPartition> Build(string headerFilename, string exHeaderFilename, string?exeFsDirectory, string?romFsDiretory, string?plainRegionFilename, string?logoFilename, IFileSystem fileSystem, ProcessingProgressedToken?progressToken = null)
{
ProcessingProgressedToken?exefsToken = null;
ProcessingProgressedToken?romfsToken = null;
void ReportProgress()
{
if (progressToken != null)
{
progressToken.TotalFileCount = (exefsToken?.TotalFileCount + romfsToken?.TotalFileCount).GetValueOrDefault();
progressToken.ProcessedFileCount = (exefsToken?.ProcessedFileCount + romfsToken?.ProcessedFileCount).GetValueOrDefault();
}
};
Task <ExeFs?> exeFsTask;
if (!string.IsNullOrEmpty(exeFsDirectory))
{
if (progressToken != null)
{
exefsToken = new ProcessingProgressedToken();
exefsToken.FileCountChanged += (sender, e) => ReportProgress();
}
exeFsTask = Task.Run <ExeFs?>(async() => await ExeFs.Build(exeFsDirectory, fileSystem, exefsToken).ConfigureAwait(false));
}
else
{
exeFsTask = Task.FromResult <ExeFs?>(null);
}
Task <RomFs?> romFsTask;
if (!string.IsNullOrEmpty(romFsDiretory))
{
if (progressToken != null)
{
romfsToken = new ProcessingProgressedToken();
romfsToken.FileCountChanged += (sender, e) => ReportProgress();
}
romFsTask = Task.Run <RomFs?>(async() => await RomFs.Build(romFsDiretory, fileSystem, romfsToken).ConfigureAwait(false));
}
else
{
romFsTask = Task.FromResult <RomFs?>(null);
}
var header = new NcchHeader(fileSystem.ReadAllBytes(headerFilename));
NcchExtendedHeader?exHeader = null;
if (!string.IsNullOrEmpty(exHeaderFilename))
{
using var exHeaderData = new BinaryFile(fileSystem.ReadAllBytes(exHeaderFilename));
exHeader = await NcchExtendedHeader.Load(exHeaderData);
}
string?plainRegion = null;
if (!string.IsNullOrEmpty(plainRegionFilename))
{
plainRegion = fileSystem.ReadAllText(plainRegionFilename);
}
byte[]? logo = null;
if (!string.IsNullOrEmpty(logoFilename))
{
logo = fileSystem.ReadAllBytes(logoFilename);
}
return(new NcchPartition(await romFsTask, await exeFsTask, header, exHeader, plainRegion, logo));
}