refactor package

pkg/protocol/component/chicken_variant.go

@@ -0,0 +1,58 @@
+package component
+
+import (
+	"io"
+
+	"git.konjactw.dev/patyhank/minego/pkg/protocol/slot"
+	"github.com/Tnze/go-mc/net/packet"
+)
+
+type ChickenVariant struct {
+	Mode        int8
+	VariantName packet.Identifier
+	VariantID   int32
+}
+
+func (c *ChickenVariant) ReadFrom(r io.Reader) (n int64, err error) {
+	n1, err := (*packet.Byte)(&c.Mode).ReadFrom(r)
+	if err != nil {
+		return n1, err
+	}
+	if c.Mode == 0 {
+		n2, err := c.VariantName.ReadFrom(r)
+		return n1 + n2, err
+	}
+
+	if c.Mode == 1 {
+		n2, err := (*packet.VarInt)(&c.VariantID).ReadFrom(r)
+		return n1 + n2, err
+	}
+
+	return n1, err
+}
+
+func (c ChickenVariant) WriteTo(w io.Writer) (int64, error) {
+	n1, err := (*packet.Byte)(&c.Mode).WriteTo(w)
+	if err != nil {
+		return n1, err
+	}
+
+	if c.Mode == 0 {
+		n2, err := c.VariantName.WriteTo(w)
+		return n1 + n2, err
+	}
+
+	if c.Mode == 1 {
+		n2, err := (*packet.VarInt)(&c.VariantID).WriteTo(w)
+		return n1 + n2, err
+	}
+	return n1, err
+}
+
+func (*ChickenVariant) Type() slot.ComponentID {
+	return 86
+}
+
+func (*ChickenVariant) ID() string {
+	return "minecraft:chicken/variant"
+}