void WriteField(DatWriter w, JField field)
{
w.WriteUInt8((byte)field.type);
w.WriteUtf8(field.field);
if (field.klass == null)
{
return;
}
w.WriteUInt8(TC_STRING);
w.WriteUtf8(field.klass);
}
void WriteClassDesc(DatWriter w, string klass, JField[] fields)
{
// Write serialised Level Object
w.WriteUInt8(TC_CLASSDESC);
w.WriteUtf8(klass);
w.WriteInt32(0); w.WriteInt32(0); // serialUUID
w.WriteUInt8(SC_SERIALIZABLE); // SC_SERIALIZABLE
w.WriteUInt16((ushort)fields.Length);
foreach (JField field in fields)
{
WriteField(w, field);
}
w.WriteUInt8(TC_ENDOFBLOCKDATA); // classAnnotations
w.WriteUInt8(TC_NULL); // superClassDesc
}
void WriteValue(DatWriter w, JField field)
{
switch (field.type)
{
case 'I':
w.WriteInt32((int)field.value);
break;
case '[':
w.WriteUInt8(TC_ARRAY);
WriteClassDesc(w, "[B", new JField[0]);
w.WriteInt32(((byte[])field.value).Length);
//w.WriteBytes((byte[])field.value);
// NOTE: need to convert since level might have blocks that don't exist in classic
WriteLevelBlocks(w.dst, (byte[])field.value);
break;
default:
throw new InvalidOperationException("Can't write fields of type " + field.type);
}
}
public override void Write(Stream dst, Level lvl)
{
JField[] fields = GetFields(lvl);
using (Stream s = new GZipStream(dst, CompressionMode.Compress))
{
DatWriter w = new DatWriter();
w.dst = new BinaryWriter(s);
w.WriteInt32(DAT_SIGNATURE);
w.WriteUInt8(DAT_VERSION);
w.WriteUInt16(JSF_SIGNATURE);
w.WriteUInt16(JSF_VERSION);
// Write serialised Level Object
w.WriteUInt8(TC_OBJECT);
WriteClassDesc(w, "com.mojang.minecraft.level.Level", fields);
foreach (JField field in fields) // classData
{
WriteValue(w, field);
}
}
}