Version MFF.

depends.txt

@@ -1 +1,2 @@
+soundset
 mana?

init.lua

@@ -30,7 +30,7 @@ returnmirror.mana_check = function(player, cost)
 end
 
 minetest.register_tool("returnmirror:mirror_inactive", {
-	description = "Mirror of Returning",
+	description = "Mirror of Returning/Portal mirror",
 	inventory_image = "returnmirror_mirror_inactive.png",
 	wield_image = "returnmirror_mirror_inactive.png",
 	tool_capabilities = {},
@@ -39,14 +39,20 @@ minetest.register_tool("returnmirror:mirror_inactive", {
 			local pos = placer:getpos()
 			local newitem = ItemStack("returnmirror:mirror_active")
 			newitem:set_metadata(minetest.pos_to_string(pos))
-			minetest.sound_play( {name="returnmirror_set", gain=1}, {pos=pos, max_hear_distance=12})
+			minetest.sound_play({name="returnmirror_set", gain=0.5}, {pos=pos, max_hear_distance=12})
 			return newitem
 		end
 	end,
 })
 
+minetest.register_craftitem("returnmirror:mirror_glass", {
+	description = "Mirror glass",
+	inventory_image = "returnmirror_mirror_glass.png",
+	wield_image = "returnmirror_mirror_glass.png",
+})
+
 minetest.register_tool("returnmirror:mirror_active", {
-	description = "Mirror of Returning",
+	description = "Mirror of Returning/Portal mirror",
 	stack_max = 1,
 	inventory_image = "returnmirror_mirror_active.png",
 	wield_image = "returnmirror_mirror_active.png",
@@ -101,3 +107,23 @@ minetest.register_tool("returnmirror:mirror_active", {
 })
 
 minetest.register_alias("returnmirror:mirror_inactive", "returnmirror:returnmirror")
+
+minetest.register_craft({
+	output = "returnmirror:mirror_glass",
+	recipe = {
+		{"default:diamondblock","default:mese","default:diamondblock"},
+		{"default:mese","doors:door_obsidian_glass","default:mese"},
+		{"default:diamondblock","default:mese","default:diamondblock"},
+	},
+})
+
+minetest.register_craft({
+	output = "returnmirror:mirror_inactive",
+	recipe = {
+		{"default:diamondblock", "default:nyancat", "default:diamondblock"},
+		{"default:nyancat", "returnmirror:mirror_glass", "default:nyancat"},
+		{"default:diamondblock", "default:nyancat", "default:diamondblock"},
+	},
+})
+
+minetest.register_alias("returnmirror:portal","returnmirror:mirror_inactive")