fix #154: 优化代码结构

plugin/genshin/data.go

@@ -0,0 +1,16 @@
+package genshin
+
+type storage uint64
+
+func (s *storage) is5starsmode() bool {
+	return *s&1 == 1
+}
+
+func (s *storage) setmode(is5stars bool) bool {
+	if is5stars {
+		*s |= 1
+	} else {
+		*s &= 0xffffffff_fffffffe
+	}
+	return is5stars
+}