more util types

cmd/packetizer/codec.go.tmpl

@@ -0,0 +1,52 @@
+{{- /*gotype: github.com/Tnze/go-mc/cmd/packetizer.PackageInfo*/ -}}
+// Code generated by packetizer.go; DO NOT EDIT.
+
+package {{ .Name }}
+
+import (
+	"io"
+{{- if .Imports }}
+{{ range .Imports }}
+	"{{ . }}"
+{{- end }}
+{{- end }}
+
+	pk "github.com/Tnze/go-mc/net/packet"
+)
+{{ range .Structs }}
+func (c *{{ .Name }}) ReadFrom(r io.Reader) (int64, error) {
+{{- if eq (len .Fields) 0  }}
+	return 0, nil
+{{- else }}
+	var n int64
+	var err error
+	var temp int64
+	{{- range .Fields }}
+	temp, err = {{ generateTarget . }}.ReadFrom(r)
+	n += temp
+	if err != nil {
+		return n, err
+	}
+	{{- end }}
+	return n, err
+{{- end }}
+}
+
+func (c *{{ .Name }}) WriteTo(w io.Writer) (int64, error) {
+{{- if eq (len .Fields) 0  }}
+	return 0, nil
+{{- else }}
+	var n int64
+	var err error
+	var temp int64
+	{{- range .Fields }}
+	temp, err = {{ generateTarget . }}.WriteTo(w)
+		n += temp
+		if err != nil {
+		return n, err
+	}
+	{{- end }}
+	return n, err
+{{- end }}
+}
+{{ end }}