refactor package

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

@@ -0,0 +1,21 @@
+package client
+
+//codec:gen
+type AttributeModifier struct {
+	Id        string `mc:"Identifier"`
+	Amount    float64
+	Operation int8
+}
+
+//codec:gen
+type Attribute struct {
+	Id        int32 `mc:"VarInt"`
+	Value     float64
+	Modifiers []AttributeModifier
+}
+
+//codec:gen
+type UpdateAttributes struct {
+	EntityID   int32 `mc:"VarInt"`
+	Attributes []Attribute
+}