Add nbt.RawMessage

nbt/raw.go

@@ -0,0 +1,23 @@
+package nbt
+
+import (
+	"bytes"
+	"io"
+)
+
+type RawMessage []byte
+
+func (m *RawMessage) Unmarshal(tagType byte, _ string, r DecoderReader) error {
+	if tagType == TagEnd {
+		return ErrEND
+	}
+
+	buf := bytes.NewBuffer((*m)[:0])
+	tee := io.TeeReader(r, buf)
+	err := NewDecoder(tee).rawRead(tagType)
+	if err != nil {
+		return err
+	}
+	*m = buf.Bytes()
+	return nil
+}