Add “inactive” and “active” mirror

To denote which mirror has a destination yet

init.lua

@@ -29,11 +29,27 @@ returnmirror.mana_check = function(player, cost)
 	return allowed
 end
 
-minetest.register_tool("returnmirror:returnmirror", {
+minetest.register_tool("returnmirror:mirror_inactive", {
+	description = "Mirror of Returning",
+	inventory_image = "returnmirror_mirror_inactive.png",
+	wield_image = "returnmirror_mirror_inactive.png",
+	tool_capabilities = {},
+	on_place = function(itemstack, placer, pointed_thing)
+		if returnmirror.mana_check(placer, returnmirror.cost_set) then
+			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})
+			return newitem
+		end
+	end,
+})
+
+minetest.register_tool("returnmirror:mirror_active", {
 	description = "Mirror of Returning",
 	stack_max = 1,
-	inventory_image = "returnmirror_returnmirror.png",
-	wield_image = "returnmirror_returnmirror.png",
+	inventory_image = "returnmirror_mirror_active.png",
+	wield_image = "returnmirror_mirror_active.png",
 	tool_capabilities = {},
 	on_use = function(itemstack, user, pointed_thing)
 		local dest_string = itemstack:get_metadata()
@@ -80,5 +96,8 @@ minetest.register_tool("returnmirror:returnmirror", {
 			minetest.sound_play( {name="returnmirror_set", gain=1}, {pos=pos, max_hear_distance=12})
 			return itemstack
 		end
-	end
+	end,
+	groups = { not_in_creative_inventory = 1 },
 })
+
+minetest.register_alias("returnmirror:mirror_inactive", "returnmirror:returnmirror")