public Cnmt(Stream file)
{
using (var reader = new BinaryReader(file))
{
TitleId = reader.ReadUInt64();
uint version = reader.ReadUInt32();
Type = (TitleType)reader.ReadByte();
TitleVersion = new TitleVersion(version, Type < TitleType.Application);
FieldD = reader.ReadByte();
TableOffset = reader.ReadUInt16();
ContentEntryCount = reader.ReadUInt16();
MetaEntryCount = reader.ReadUInt16();
file.Position += 12;
switch (Type)
{
case TitleType.Application:
ApplicationTitleId = TitleId;
PatchTitleId = reader.ReadUInt64();
MinimumSystemVersion = new TitleVersion(reader.ReadUInt32(), true);
break;
case TitleType.Patch:
ApplicationTitleId = reader.ReadUInt64();
MinimumSystemVersion = new TitleVersion(reader.ReadUInt32(), true);
break;
case TitleType.AddOnContent:
ApplicationTitleId = reader.ReadUInt64();
MinimumApplicationVersion = new TitleVersion(reader.ReadUInt32());
break;
}
file.Position = 0x20 + TableOffset;
ContentEntries = new CnmtContentEntry[ContentEntryCount];
MetaEntries = new CnmtContentMetaEntry[MetaEntryCount];
for (int i = 0; i < ContentEntryCount; i++)
{
ContentEntries[i] = new CnmtContentEntry(reader);
}
for (int i = 0; i < MetaEntryCount; i++)
{
MetaEntries[i] = new CnmtContentMetaEntry(reader);
}
if (Type == TitleType.Patch)
{
ExtendedData = new CnmtExtended(reader);
}
Hash = reader.ReadBytes(0x20);
}
}
public CnmtExtended(BinaryReader reader)
{
PrevMetaCount = reader.ReadInt32(); // Lists all previous content meta files
PrevDeltaSetCount = reader.ReadInt32(); // Lists all previous delta sets
DeltaSetCount = reader.ReadInt32(); // Lists the delta set for the current title version
FragmentSetCount = reader.ReadInt32(); // Groups fragments into full deltas
PrevContentCount = reader.ReadInt32(); // Lists all previous NCAs for the title
DeltaContentCount = reader.ReadInt32(); // Lists all NCAs containing delta fragments
reader.BaseStream.Position += 4;
PrevMetas = new CnmtPrevMetaEntry[PrevMetaCount];
PrevDeltaSets = new CnmtPrevDelta[PrevDeltaSetCount];
DeltaSets = new CnmtDeltaSetInfo[DeltaSetCount];
FragmentSets = new CnmtFragmentSetInfo[FragmentSetCount];
PrevContents = new CnmtPrevContent[PrevContentCount];
DeltaContents = new CnmtContentEntry[DeltaContentCount];
for (int i = 0; i < PrevMetaCount; i++)
{
PrevMetas[i] = new CnmtPrevMetaEntry(reader);
}
for (int i = 0; i < PrevDeltaSetCount; i++)
{
PrevDeltaSets[i] = new CnmtPrevDelta(reader);
}
for (int i = 0; i < DeltaSetCount; i++)
{
DeltaSets[i] = new CnmtDeltaSetInfo(reader);
}
for (int i = 0; i < FragmentSetCount; i++)
{
FragmentSets[i] = new CnmtFragmentSetInfo(reader);
}
for (int i = 0; i < PrevContentCount; i++)
{
PrevContents[i] = new CnmtPrevContent(reader);
}
for (int i = 0; i < DeltaContentCount; i++)
{
DeltaContents[i] = new CnmtContentEntry(reader);
}
int fragmentCount = FragmentSets.Sum(x => x.FragmentCount);
FragmentMap = new FragmentMapEntry[fragmentCount];
for (int i = 0; i < fragmentCount; i++)
{
FragmentMap[i] = new FragmentMapEntry(reader);
}
}
public CnmtExtended(BinaryReader reader)
{
PrevMetaCount = reader.ReadInt32();
PrevDeltaCount = reader.ReadInt32();
DeltaInfoCount = reader.ReadInt32();
DeltaApplyCount = reader.ReadInt32();
PrevContentCount = reader.ReadInt32();
DeltaContentCount = reader.ReadInt32();
reader.BaseStream.Position += 4;
PrevMetas = new CnmtPrevMetaEntry[PrevMetaCount];
PrevDeltas = new CnmtPrevDelta[PrevDeltaCount];
DeltaInfos = new CnmtDeltaInfo[DeltaInfoCount];
DeltaApplyInfos = new CnmtDeltaApplyInfo[DeltaApplyCount];
PrevContents = new CnmtPrevContent[PrevContentCount];
DeltaContents = new CnmtContentEntry[DeltaContentCount];
for (int i = 0; i < PrevMetaCount; i++)
{
PrevMetas[i] = new CnmtPrevMetaEntry(reader);
}
for (int i = 0; i < PrevDeltaCount; i++)
{
PrevDeltas[i] = new CnmtPrevDelta(reader);
}
for (int i = 0; i < DeltaInfoCount; i++)
{
DeltaInfos[i] = new CnmtDeltaInfo(reader);
}
for (int i = 0; i < DeltaApplyCount; i++)
{
DeltaApplyInfos[i] = new CnmtDeltaApplyInfo(reader);
}
for (int i = 0; i < PrevContentCount; i++)
{
PrevContents[i] = new CnmtPrevContent(reader);
}
for (int i = 0; i < DeltaContentCount; i++)
{
DeltaContents[i] = new CnmtContentEntry(reader);
}
}
public Cnmt(Stream file)
{
using (var reader = new BinaryReader(file))
{
TitleId = reader.ReadUInt64();
uint version = reader.ReadUInt32();
Type = (ContentMetaType)reader.ReadByte();
TitleVersion = new TitleVersion(version, Type < ContentMetaType.Application);
FieldD = reader.ReadByte();
TableOffset = reader.ReadUInt16();
ContentEntryCount = reader.ReadUInt16();
MetaEntryCount = reader.ReadUInt16();
// Old, pre-release cnmt files don't have the "required system version" field.
// Try to detect this by reading the padding after that field.
// The old format usually contains hashes there.
file.Position += 8;
int padding = reader.ReadInt32();
bool isOldCnmtFormat = padding != 0;
switch (Type)
{
case ContentMetaType.Application:
ApplicationTitleId = TitleId;
PatchTitleId = reader.ReadUInt64();
MinimumSystemVersion = new TitleVersion(reader.ReadUInt32(), true);
break;
case ContentMetaType.Patch:
ApplicationTitleId = reader.ReadUInt64();
MinimumSystemVersion = new TitleVersion(reader.ReadUInt32(), true);
break;
case ContentMetaType.AddOnContent:
ApplicationTitleId = reader.ReadUInt64();
MinimumApplicationVersion = new TitleVersion(reader.ReadUInt32());
break;
}
int baseOffset = isOldCnmtFormat ? 0x18 : 0x20;
file.Position = baseOffset + TableOffset;
ContentEntries = new CnmtContentEntry[ContentEntryCount];
MetaEntries = new CnmtContentMetaEntry[MetaEntryCount];
for (int i = 0; i < ContentEntryCount; i++)
{
ContentEntries[i] = new CnmtContentEntry(reader);
}
for (int i = 0; i < MetaEntryCount; i++)
{
MetaEntries[i] = new CnmtContentMetaEntry(reader);
}
if (Type == ContentMetaType.Patch)
{
ExtendedData = new CnmtExtended(reader);
}
Hash = reader.ReadBytes(0x20);
}
}
