Files
go-mc/registry/network.go
2024-07-27 22:48:40 +08:00

47 lines
783 B
Go

package registry
import (
"io"
pk "github.com/Tnze/go-mc/net/packet"
)
func (reg *Registry[E]) ReadFrom(r io.Reader) (int64, error) {
var length pk.VarInt
n, err := length.ReadFrom(r)
if err != nil {
return n, err
}
reg.Clear()
var key pk.Identifier
var hasData pk.Boolean
for i := 0; i < int(length); i++ {
var data E
var n1, n2, n3 int64
n1, err = key.ReadFrom(r)
if err != nil {
return n + n1, err
}
n2, err = hasData.ReadFrom(r)
if err != nil {
return n + n1 + n2, err
}
if hasData {
n3, err = pk.NBTField{V:&data, AllowUnknownFields: true}.ReadFrom(r)
if err != nil {
return n + n1 + n2 + n3, err
}
reg.Put(string(key), data)
}
n += n1 + n2 + n3
}
return n, nil
}