public async Task Initalize()
{
var headerSize = await CiaData.ReadInt32Async(0);
CiaHeader = new CiaHeader(await CiaData.ReadArrayAsync(0, headerSize));
var certOffset = BitMath.Align(headerSize, 64);
var ticketOffset = BitMath.Align(certOffset + CiaHeader.CertificateChainSize, 64);
var tmdOffset = BitMath.Align(ticketOffset + CiaHeader.TicketSize, 64);
var contentOffset = BitMath.Align(tmdOffset + CiaHeader.TmdFileSize, 64);
var metaOffset = BitMath.Align(contentOffset + CiaHeader.ContentSize, 64);
TmdMetadata = await TmdMetadata.Load(CiaData.GetReadOnlyDataReference(tmdOffset, CiaHeader.TmdFileSize));
Partitions = new NcchPartition[TmdMetadata.ContentChunkRecords.Length];
long partitionStart = contentOffset;
for (var i = 0; i < TmdMetadata.ContentChunkRecords.Length; i++)
{
var chunkRecord = TmdMetadata.ContentChunkRecords[i];
var partitionLength = chunkRecord.ContentSize;
int contentIndex = chunkRecord.ContentIndex;
Partitions[i] = await NcchPartition.Load(CiaData.GetReadOnlyDataReference(partitionStart, partitionLength));
partitionStart += partitionLength;
}
IsDlcContainer = TmdMetadata.TitleId >> 32 == 0x0004008C;
}
public SingleNcchPartitionContainer(NcchPartition partition, int partitionIndex = 0)
{
if (partitionIndex < 0)
{
throw new ArgumentOutOfRangeException(nameof(partitionIndex), "Partition index must be 0 or greater");
}
Partitions = new NcchPartition[partitionIndex + 1];
Partitions[partitionIndex] = partition ?? throw new ArgumentNullException(nameof(partition));
}
public async Task Initalize()
{
// To-do: determine which NCSD header to use
Header = new CartridgeNcsdHeader(await NcsdData.ReadArrayAsync(0, 0x1500));
Partitions = new NcchPartition[Header.Partitions.Length];
await Task.WhenAll(Enumerable.Range(0, Header.Partitions.Length).Select(async i =>
{
var partitionStart = (long)Header.Partitions[i].Offset * MediaUnitSize;
var partitionLength = (long)Header.Partitions[i].Length * MediaUnitSize;
Partitions[i] = await NcchPartition.Load(NcsdData.GetReadOnlyDataReference(partitionStart, partitionLength));
}));
}
public static async Task <NcchPartition> Load(IReadOnlyBinaryDataAccessor data)
{
NcchHeader?header = null;
if (data.Length > 0)
{
header = new NcchHeader(await data.ReadArrayAsync(0, 0x200));
}
var partition = new NcchPartition(header);
await partition.Initialize(data);
return(partition);
}
public static async Task <NcsdFile> Load(IReadOnlyBinaryDataAccessor data)
{
var header = new CartridgeNcsdHeader(await data.ReadArrayAsync(0, 0x1500));
var partitions = new NcchPartition[header.Partitions.Length];
await Task.WhenAll(Enumerable.Range(0, header.Partitions.Length).Select(async i =>
{
var partitionStart = (long)header.Partitions[i].Offset * MediaUnitSize;
var partitionLength = (long)header.Partitions[i].Length * MediaUnitSize;
partitions[i] = await NcchPartition.Load(data.Slice(partitionStart, partitionLength));
}));
return(new NcsdFile(header, partitions));
}
