Add playerinfo recorder for chat message

yggdrasil/user/auth.go

@@ -0,0 +1,47 @@
+package user
+
+import (
+	"io"
+
+	"github.com/google/uuid"
+
+	pk "github.com/Tnze/go-mc/net/packet"
+)
+
+type Property struct {
+	Name, Value, Signature string
+}
+
+func (p Property) WriteTo(w io.Writer) (n int64, err error) {
+	return pk.Tuple{
+		pk.String(p.Name),
+		pk.String(p.Value),
+		pk.Option[pk.String, *pk.String]{
+			Has: p.Signature != "",
+			Val: pk.String(p.Signature),
+		},
+	}.WriteTo(w)
+}
+
+func (p *Property) ReadFrom(r io.Reader) (n int64, err error) {
+	var signature pk.Option[pk.String, *pk.String]
+	n, err = pk.Tuple{
+		(*pk.String)(&p.Name),
+		(*pk.String)(&p.Value),
+		&signature,
+	}.ReadFrom(r)
+	p.Signature = string(signature.Val)
+	return
+}
+
+// Texture includes player's skin and cape
+type Texture struct {
+	TimeStamp int64     `json:"timestamp"`
+	ID        uuid.UUID `json:"profileId"`
+	Name      string    `json:"profileName"`
+	Textures  struct {
+		SKIN, CAPE struct {
+			URL string `json:"url"`
+		}
+	} `json:"textures"`
+}