/// <summary>
/// Reads the TAG file schema dictionary from the TAG file data using the TAG file reader
/// </summary>
/// <returns></returns>
public bool Read(NybbleStream reader)
{
string fieldName;
while ((fieldName = reader.ReadANSIString()) != string.Empty)
{
uint tempFieldType = reader.ReadUnSignedIntegerValue(1);
// If field type is 15, then read an extra var int to determine extended data type
if (tempFieldType == 15)
{
if (!reader.ReadVarInt(out short tempFieldTypeExtended))
{
return(false);
}
tempFieldType += (uint)tempFieldTypeExtended;
}
var fieldType = (TAGDataType)tempFieldType;
if (!reader.ReadVarInt(out var id))
{
return(false);
}
Entries.Add(id, new TAGDictionaryItem(fieldName, fieldType, id));
}
return(true);
}
public void Write(NybbleStream stream)
{
// Write out each tagfile data entry to stream. First one must be a timestamp
foreach (TagData td in Entries)
{
stream.WriteVarSizeUnsignedInt((uint)td.DictID); // write dictionary id first
td.Write(ref stream);
}
}
/// <summary>
/// Write stream of nybbles
/// </summary>
/// <param name="stream"></param>
public void Write(NybbleStream stream)
{
foreach (KeyValuePair <short, TAGDictionaryItem> kvp in Entries)
{
TAGDictionaryItem theElement = kvp.Value;
byte[] bytes = Encoding.ASCII.GetBytes(theElement.Name);
for (int i = 0; i < bytes.Length; i++)
{
// bytes[i];
stream.WriteFixedSizeUnsignedInt((uint)bytes[i], 2);
}
stream.WriteFixedSizeUnsignedInt(0, 2); // end of name marker
stream.WriteNybble((byte)(theElement.Type));
stream.WriteVarSizeUnsignedInt((uint)theElement.ID);
}
stream.WriteFixedSizeUnsignedInt(0, 2); // end of dictionary marker
}
