internal static long LoadOffset(BinaryReader reader, NintendoOpticalDiscSystem system)
{
switch (system)
{
case NintendoOpticalDiscSystem.Wii: return(reader.ReadUInt32() * 4L);
case NintendoOpticalDiscSystem.GameCube: return(reader.ReadUInt32());
default: throw new NotImplementedException();
}
}
internal static void LoadFileTable(FolderAsset parent, BinaryReader reader, NintendoOpticalDiscSystem system)
{
reader.BaseStream.Position = 0x424;
long fileTableOffset = LoadOffset(reader, system);
reader.BaseStream.Position = fileTableOffset + 8;
int count = reader.ReadInt32();
for (int index = 1; index < count;)
{
LoadFile(parent, reader, ref index, system);
}
foreach (Asset asset in parent.Children)
{
LoadFileName(asset, reader, fileTableOffset + count * 12);
}
}
internal NintendoOpticalDiscPartitionFile(FolderAsset parent, int index, int nameOffset, BinaryReader reader, NintendoOpticalDiscSystem system)
: base(parent, "")
{
Index = index;
NameOffset = nameOffset;
DataOffset = NintendoOpticalDiscPartition.LoadOffset(reader, system);
Size = reader.ReadUInt32();
}
internal NintendoOpticalDiscPartitionFolder(FolderAsset parent, ref int index, int nameOffset, BinaryReader reader, NintendoOpticalDiscSystem system)
: base(parent, "")
{
Index = index;
NameOffset = nameOffset;
int firstIndex = reader.ReadInt32();
/*if (firstIndex != index + 1)
* throw new InvalidDataException();*/
int endIndex = reader.ReadInt32();
index++;
while (index < endIndex)
{
NintendoOpticalDiscPartition.LoadFile(this, reader, ref index, system);
}
}
internal static Asset LoadFile(FolderAsset parent, BinaryReader reader, ref int index, NintendoOpticalDiscSystem system)
{
int nameOffset = reader.ReadInt32();
bool isDirectory = (nameOffset & 0xFF000000) != 0;
nameOffset &= 0xFFFFFF;
if (isDirectory)
{
return(new NintendoOpticalDiscPartitionFolder(parent, ref index, nameOffset, reader, system));
}
else
{
return(new NintendoOpticalDiscPartitionFile(parent, index++, nameOffset, reader, system));
}
}
internal NintendoOpticalDiscPartitionFolder(FolderAsset parent, ref int index, int nameOffset, BinaryReader reader, NintendoOpticalDiscSystem system)
: base(parent, "")
{
Index = index;
NameOffset = nameOffset;
int firstIndex = reader.ReadInt32();
/*if (firstIndex != index + 1)
throw new InvalidDataException();*/
int endIndex = reader.ReadInt32();
index++;
while (index < endIndex)
NintendoOpticalDiscPartition.LoadFile(this, reader, ref index, system);
}
internal NintendoOpticalDiscPartitionFile(FolderAsset parent, int index, int nameOffset, BinaryReader reader, NintendoOpticalDiscSystem system)
: base(parent, "")
{
Index = index;
NameOffset = nameOffset;
DataOffset = NintendoOpticalDiscPartition.LoadOffset(reader, system);
Size = reader.ReadUInt32();
}
internal static long LoadOffset(BinaryReader reader, NintendoOpticalDiscSystem system)
{
switch (system) {
case NintendoOpticalDiscSystem.Wii: return reader.ReadUInt32() * 4L;
case NintendoOpticalDiscSystem.GameCube: return reader.ReadUInt32();
default: throw new NotImplementedException();
}
}
internal static void LoadFileTable(FolderAsset parent, BinaryReader reader, NintendoOpticalDiscSystem system)
{
reader.BaseStream.Position = 0x424;
long fileTableOffset = LoadOffset(reader, system);
reader.BaseStream.Position = fileTableOffset + 8;
int count = reader.ReadInt32();
for (int index = 1; index < count; )
LoadFile(parent, reader, ref index, system);
foreach (Asset asset in parent.Children)
LoadFileName(asset, reader, fileTableOffset + count * 12);
}
internal static Asset LoadFile(FolderAsset parent, BinaryReader reader, ref int index, NintendoOpticalDiscSystem system)
{
int nameOffset = reader.ReadInt32();
bool isDirectory = (nameOffset & 0xFF000000) != 0;
nameOffset &= 0xFFFFFF;
if (isDirectory)
return new NintendoOpticalDiscPartitionFolder(parent, ref index, nameOffset, reader, system);
else
return new NintendoOpticalDiscPartitionFile(parent, index++, nameOffset, reader, system);
}