refactor package

pkg/protocol/component/rarity.go

@@ -0,0 +1,18 @@
+package component
+
+import (
+	"git.konjactw.dev/patyhank/minego/pkg/protocol/slot"
+)
+
+//codec:gen
+type Rarity struct {
+	Rarity int32 `mc:"VarInt"` // 0=Common, 1=Uncommon, 2=Rare, 3=Epic
+}
+
+func (*Rarity) Type() slot.ComponentID {
+	return 9
+}
+
+func (*Rarity) ID() string {
+	return "minecraft:rarity"
+}