NBT RawMessage fully support

nbt/rawmsg.go

@@ -0,0 +1,34 @@
+package nbt
+
+import (
+	"bytes"
+	"io"
+)
+
+type RawMessage struct {
+	Type byte
+	Data []byte
+}
+
+func (m RawMessage) TagType() byte {
+	return m.Type
+}
+
+func (m RawMessage) Encode(w io.Writer) error {
+	_, err := w.Write(m.Data)
+	return err
+}
+
+func (m *RawMessage) Decode(tagType byte, r DecoderReader) error {
+	if tagType == TagEnd {
+		return ErrEND
+	}
+	buf := bytes.NewBuffer(m.Data[:0])
+	tee := io.TeeReader(r, buf)
+	err := NewDecoder(tee).rawRead(tagType)
+	if err != nil {
+		return err
+	}
+	m.Data = buf.Bytes()
+	return nil
+}