1.20.80 support (#1)

legacyver/proto/io.go

@@ -112,3 +112,22 @@ func IOStackRequestAction(io protocol.IO, x *protocol.StackRequestAction) {
 	}
 	(*x).Marshal(io)
 }
+
+func IORecipe(io protocol.IO, recipe *Recipe) {
+	if IsReader(io) {
+		var recipeType int32
+		io.Varint32(&recipeType)
+		if !lookupRecipe(recipeType, recipe) {
+			io.UnknownEnumOption(recipeType, "crafting data recipe type")
+			return
+		}
+		(*recipe).Unmarshal(io.(*Reader))
+	} else {
+		var recipeType int32
+		if !lookupRecipeType(*recipe, &recipeType) {
+			io.UnknownEnumOption(fmt.Sprintf("%T", *recipe), "crafting recipe type")
+		}
+		io.Varint32(&recipeType)
+		(*recipe).Marshal(io.(*Writer))
+	}
+}