1.19.2 chat support

This commit is contained in:
Tnze
2022-11-30 18:50:10 +08:00
parent 0b7ef620d9
commit 55d79f791a
13 changed files with 431 additions and 244 deletions

View File

@ -1,5 +1,11 @@
package chat
import (
"io"
pk "github.com/Tnze/go-mc/net/packet"
)
type Decoration struct {
TranslationKey string `nbt:"translation_key"`
Parameters []string `nbt:"parameters"`
@ -49,3 +55,46 @@ func (t *Type) Decorate(content Message, d *Decoration) (msg Message) {
Insertion: d.Style.Insertion,
}
}
func (t *Type) ReadFrom(r io.Reader) (n int64, err error) {
var hasTargetName pk.Boolean
n1, err := (*pk.VarInt)(&t.ID).ReadFrom(r)
if err != nil {
return n1, err
}
n2, err := t.SenderName.ReadFrom(r)
if err != nil {
return n1 + n2, err
}
n3, err := hasTargetName.ReadFrom(r)
if err != nil {
return n1 + n2 + n3, err
}
if hasTargetName {
t.TargetName = new(Message)
n4, err := t.TargetName.ReadFrom(r)
return n1 + n2 + n3 + n4, err
}
return n1 + n2 + n3, nil
}
func (t *Type) WriteTo(w io.Writer) (n int64, err error) {
hasTargetName := pk.Boolean(t.TargetName != nil)
n1, err := (*pk.VarInt)(&t.ID).WriteTo(w)
if err != nil {
return n1, err
}
n2, err := t.SenderName.WriteTo(w)
if err != nil {
return n1 + n2, err
}
n3, err := hasTargetName.WriteTo(w)
if err != nil {
return n1 + n2 + n3, err
}
if hasTargetName {
n4, err := t.TargetName.WriteTo(w)
return n1 + n2 + n3 + n4, err
}
return n1 + n2 + n3, nil
}

View File

@ -132,13 +132,13 @@ func (m *Message) UnmarshalJSON(raw []byte) (err error) {
// ReadFrom decode Message in a ChatMsg packet
func (m *Message) ReadFrom(r io.Reader) (int64, error) {
var Len pk.VarInt
if n, err := Len.ReadFrom(r); err != nil {
var code pk.String
n, err := code.ReadFrom(r)
if err != nil {
return n, err
}
lr := &io.LimitedReader{R: r, N: int64(Len)}
err := json.NewDecoder(lr).Decode(m)
return int64(Len) - lr.N, err
err = json.Unmarshal([]byte(code), m)
return n, err
}
// WriteTo encode Message into a ChatMsg packet

216
chat/sign/sign.go Normal file
View File

@ -0,0 +1,216 @@
package sign
import (
"crypto/rand"
"encoding/binary"
"io"
"time"
"github.com/Tnze/go-mc/chat"
pk "github.com/Tnze/go-mc/net/packet"
"github.com/google/uuid"
)
type MessageHeader struct {
Signature []byte
Sender uuid.UUID
}
func (m *MessageHeader) WriteTo(w io.Writer) (n int64, err error) {
hasSignature := pk.Boolean(len(m.Signature) > 0)
n, err = hasSignature.WriteTo(w)
if err != nil {
return
}
if hasSignature {
n2, err := pk.ByteArray(m.Signature).WriteTo(w)
n += n2
if err != nil {
return n, err
}
}
n3, err := pk.UUID(m.Sender).WriteTo(w)
return n + n3, err
}
func (m *MessageHeader) ReadFrom(r io.Reader) (n int64, err error) {
var hasSignature pk.Boolean
n, err = hasSignature.ReadFrom(r)
if err != nil {
return
}
if hasSignature {
n2, err := (*pk.ByteArray)(&m.Signature).ReadFrom(r)
n += n2
if err != nil {
return n, err
}
}
n3, err := (*pk.UUID)(&m.Sender).ReadFrom(r)
return n + n3, err
}
type MessageBody struct {
PlainMessage string
Message *chat.Message
Timestamp time.Time
Salt int64
History []HistoryMessage
}
func (m *MessageBody) WriteTo(w io.Writer) (n int64, err error) {
return pk.Tuple{
pk.String(m.PlainMessage),
pk.Boolean(m.Message != nil),
pk.Opt{
Has: m.Message != nil,
Field: m.Message,
},
pk.Long(m.Timestamp.UnixMilli()),
pk.Long(m.Salt),
pk.Array(&m.History),
}.WriteTo(w)
}
func (m *MessageBody) ReadFrom(r io.Reader) (n int64, err error) {
var hasContent pk.Boolean
var timestamp pk.Long
n, err = pk.Tuple{
(*pk.String)(&m.PlainMessage),
&hasContent,
pk.Opt{
Has: &hasContent,
Field: func() pk.FieldDecoder {
m.Message = new(chat.Message)
return m.Message
},
},
&timestamp,
(*pk.Long)(&m.Salt),
pk.Array(&m.History),
}.ReadFrom(r)
m.Timestamp = time.UnixMilli(int64(timestamp))
return
}
type FilterMask struct {
Type byte
Mask pk.BitSet
}
func (f *FilterMask) WriteTo(w io.Writer) (n int64, err error) {
n, err = pk.VarInt(f.Type).WriteTo(w)
if err != nil {
return
}
if f.Type == 2 {
var n1 int64
n1, err = f.Mask.WriteTo(w)
n += n1
}
return
}
func (f *FilterMask) ReadFrom(r io.Reader) (n int64, err error) {
var Type pk.VarInt
if n, err = Type.ReadFrom(r); err != nil {
return
}
f.Type = byte(Type)
if f.Type == 2 {
var n1 int64
n1, err = f.Mask.ReadFrom(r)
n += n1
}
return
}
type PlayerMessage struct {
MessageHeader
MessageSignature []byte
MessageBody
UnsignedContent *chat.Message
FilterMask
}
func (msg *PlayerMessage) ReadFrom(r io.Reader) (n int64, err error) {
var hasUnsignedContent pk.Boolean
return pk.Tuple{
&msg.MessageHeader,
(*pk.ByteArray)(&msg.MessageSignature),
&msg.MessageBody,
&hasUnsignedContent,
pk.Opt{
Has: &hasUnsignedContent,
Field: func() pk.FieldDecoder {
msg.UnsignedContent = new(chat.Message)
return msg.UnsignedContent
},
},
&msg.FilterMask,
}.ReadFrom(r)
}
func (msg *PlayerMessage) WriteTo(w io.Writer) (n int64, err error) {
return pk.Tuple{
&msg.MessageHeader,
pk.ByteArray(msg.MessageSignature),
&msg.MessageBody,
pk.Boolean(msg.UnsignedContent != nil),
pk.Opt{
Has: msg.UnsignedContent != nil,
Field: msg.UnsignedContent,
},
&msg.FilterMask,
}.WriteTo(w)
}
func genSalt() (salt int64) {
err := binary.Read(rand.Reader, binary.BigEndian, &salt)
if err != nil {
panic(err)
}
return
}
func Unsigned(id uuid.UUID, plain string, content *chat.Message) (msg PlayerMessage) {
return PlayerMessage{
MessageHeader: MessageHeader{
Signature: nil,
Sender: id,
},
MessageSignature: []byte{},
MessageBody: MessageBody{
PlainMessage: plain,
Message: nil,
Timestamp: time.Now(),
Salt: genSalt(),
History: nil,
},
UnsignedContent: nil,
FilterMask: FilterMask{Type: 0},
}
}
type HistoryMessage struct {
Sender uuid.UUID
Signature []byte
}
func (p *HistoryMessage) ReadFrom(r io.Reader) (n int64, err error) {
n, err = (*pk.UUID)(&p.Sender).ReadFrom(r)
if err != nil {
return
}
n2, err := (*pk.ByteArray)(&p.Signature).ReadFrom(r)
return n + n2, err
}
func (p *HistoryMessage) WriteTo(w io.Writer) (n int64, err error) {
n, err = pk.UUID(p.Sender).WriteTo(w)
if err != nil {
return
}
n2, err := pk.ByteArray(p.Signature).WriteTo(w)
return n + n2, err
}