Files
go-mc/nbt/rawmsg.go
Tnze e6246ce675 Record TagType when decoding RawMessage.
Display item's NBT in example/daze.
Upgrade data/item to 1.17
2021-07-05 13:35:22 +08:00

52 lines
834 B
Go

package nbt
import (
"bytes"
"io"
"strings"
)
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.Type = tagType
m.Data = buf.Bytes()
return nil
}
func (m RawMessage) String() string {
if m.Type == TagEnd {
return "TagEnd"
}
var snbt StringifiedMessage
var sb strings.Builder
r := bytes.NewReader(m.Data)
d := NewDecoder(r)
err := snbt.encode(d, &sb, m.Type)
if err != nil {
return "Invalid"
}
return sb.String()
}