refactor package

pkg/protocol/packet/game/client/set_equipment.go

@@ -0,0 +1,68 @@
+package client
+
+import (
+	"io"
+
+	"git.konjactw.dev/patyhank/minego/pkg/protocol/slot"
+	pk "github.com/Tnze/go-mc/net/packet"
+)
+
+type EquipmentData struct {
+	Slot int8
+	Item slot.Slot
+}
+
+type Equipment []EquipmentData
+
+func (e Equipment) WriteTo(w io.Writer) (n int64, err error) {
+	for i, equipment := range e {
+		b := equipment.Slot
+		if len(e)-1 == i {
+			b |= -128
+		}
+
+		n1, err := pk.Byte(b).WriteTo(w)
+		n += n1
+		if err != nil {
+			return n, err
+		}
+		n2, err := equipment.Item.WriteTo(w)
+		n += n2
+		if err != nil {
+			return n, err
+		}
+	}
+	return
+}
+
+func (e *Equipment) ReadFrom(r io.Reader) (n int64, err error) {
+	for {
+		var b pk.Byte
+		n1, err := b.ReadFrom(r)
+		n += n1
+		if err != nil {
+			return n, err
+		}
+
+		var equipment EquipmentData
+		equipment.Slot = int8(b & 127)
+		n2, err := equipment.Item.ReadFrom(r)
+		n += n2
+		if err != nil {
+			return n, err
+		}
+
+		*e = append(*e, equipment)
+		if n&-128 == 0 {
+			break
+		}
+	}
+
+	return
+}
+
+//codec:gen
+type SetEquipment struct {
+	EntityID int32 `mc:"VarInt"`
+	Equipment
+}