// get the next list, prefixed by tag type (1 byte) and array length (signed int, 4 bytes). all elements of TAG_List are not prefixed by tag type or name
public static NbtList ParseNbtList(NbtByteReader reader, bool parseName = true)
{
NbtList list = new NbtList(parseName ? ParseString(reader) : "", reader.ReadTagType());
int listLength = reader.ReadInt();
for (int i = 0; i < listLength; i++)
{
list.Value.Add(ParseNextValueType(reader, list.Type)); // we know the tag type of each element in the list, so we can just pass it in as an argument here
}
return(list);
}
// get the next value prefixed by tag type (1 byte) and name length (unsigned short, 2 bytes)
public static NbtTag ParseNextValueType(NbtByteReader reader)
{
TagType nextTagType = reader.ReadTagType();
switch (nextTagType)
{
case TagType.Byte:
return(new NbtByte(ParseString(reader), reader.ReadSByte()));
case TagType.Short:
return(new NbtShort(ParseString(reader), reader.ReadShort()));
case TagType.Int:
return(new NbtInt(ParseString(reader), reader.ReadInt()));
case TagType.Long:
return(new NbtLong(ParseString(reader), reader.ReadLong()));
case TagType.Float:
return(new NbtFloat(ParseString(reader), reader.ReadFloat()));
case TagType.Double:
return(new NbtDouble(ParseString(reader), reader.ReadDouble()));
case TagType.ByteArray:
return(ParseNbtByteArray(reader));
case TagType.String:
return(new NbtString(ParseString(reader), ParseString(reader)));
case TagType.List:
return(ParseNbtList(reader));
case TagType.Compound:
return(ParseNbtCompound(reader));
case TagType.IntArray:
return(ParseNbtIntArray(reader));
case TagType.LongArray:
return(ParseNbtLongArray(reader));
default:
throw new Exception("Should never get here.");
}
}
public static NbtTag ReadFromStream(Stream inputStream, Endian endianness)
{
NbtByteReader reader = new NbtByteReader(inputStream, endianness);
TagType firstTagType = reader.ReadTagType();
// first byte should always be the TAG_Compound ID or TAG_List ID
switch (firstTagType)
{
case TagType.Compound:
return(ParseNbtCompound(reader));
case TagType.List:
return(ParseNbtList(reader));
default:
throw new Exception("Unknown first byte.");
}
}