Fix version number check

Add Italian locale

API.md

@@ -19,12 +19,22 @@ craftguide.register_craft_type("digging", {
 ```Lua
 craftguide.register_craft({
 	type   = "digging",
-	width  = 1,
 	result = "default:cobble 2",
 	items  = {"default:stone"},
 })
 ```
 
+```Lua
+craftguide.register_craft({
+	result = "default:cobble 16",
+	items = {
+		"default:stone, default:stone, default:stone",
+		"default:stone,              , default:stone",
+		"default:stone, default:stone, default:stone",
+	}
+})
+```
+
 Recipes can also be registered in a Minecraft-like way:
 
 ```Lua
@@ -72,6 +82,10 @@ craftguide.add_recipe_filter("Hide secretstuff", function(recipes)
 end)
 ```
 
+#### `craftguide.set_recipe_filter(name, function(recipe, player))`
+
+Removes all recipe filters and adds a new one.
+
 #### `craftguide.remove_recipe_filter(name)`
 
 Removes the recipe filter with the given name.
@@ -160,7 +174,7 @@ craftguide.group_stereotypes.radioactive = "mod:item"
 You can set a custom background theme by overriding this variable:
 
 ```Lua
-craftguide.background = "<file_name.png>:<middle>"
+craftguide.background = "<file_name.png>#<middle>"
 
 ```
 

README.md

@@ -6,7 +6,7 @@
 This crafting guide is a blue book named *"Crafting Guide"* or a wooden sign.
 
 This crafting guide features a **progressive mode**.
-The progressive mode is a Terraria-like system that shows recipes you can craft
+This mode is a Terraria-like system that shows recipes you can craft
 from items you ever had in your inventory. To enable it: `craftguide_progressive_mode = true` in `minetest.conf`.
 
 `craftguide` is also integrated in `sfinv` (Minetest Game inventory). To enable it:
@@ -16,5 +16,7 @@ Use the command `/craft` to show the recipe(s) of the pointed node.
 
 For developers, `craftguide` also has a [modding API](https://github.com/minetest-mods/craftguide/blob/master/API.md). 
 
+Love this mod? Donations are appreciated: https://www.paypal.me/jpg84240
 
-![Preview2](https://i.imgur.com/oGSvbTW.png)
+
+![Preview2](https://i.imgur.com/IbexMwQ.png)

description.txt

@@ -1,2 +0,0 @@
-The most comprehensive Crafting Guide
-on Minetest.

init.lua

@@ -1,5 +1,12 @@
 craftguide = {}
 
+local p = 0
+local CORE_VERSION = core.get_version().string:match("[^%-]*"):gsub("%.", function(a)
+	p = p + 1
+	return p == 3 and a or ""
+end)
+CORE_VERSION = tonumber(CORE_VERSION)
+
 -- Caches
 local pdata         = {}
 local init_items    = {}
@@ -7,6 +14,7 @@ local searches      = {}
 local recipes_cache = {}
 local usages_cache  = {}
 local fuel_cache    = {}
+local alias_cache   = {}
 
 local toolrepair
 
@@ -22,16 +30,26 @@ local show_formspec = core.show_formspec
 local globalstep = core.register_globalstep
 local on_shutdown = core.register_on_shutdown
 local get_players = core.get_connected_players
+local get_craft_result = core.get_craft_result
 local on_joinplayer = core.register_on_joinplayer
+local get_all_recipes = core.get_all_craft_recipes
 local register_command = core.register_chatcommand
 local get_player_by_name = core.get_player_by_name
+local slz, dslz = core.serialize, core.deserialize
 local on_mods_loaded = core.register_on_mods_loaded
 local on_leaveplayer = core.register_on_leaveplayer
-local serialize, deserialize = core.serialize, core.deserialize
 local on_receive_fields = core.register_on_player_receive_fields
 
 local ESC = core.formspec_escape
-local S = core.get_translator("craftguide")
+local S = CORE_VERSION >= 500 and core.get_translator("craftguide") or
+	function(...)
+		local args, i = {...}, 1
+
+		return args[1]:gsub("@%d+", function()
+			i = i + 1
+			return args[i]
+		end)
+	end
 
 local maxn, sort, concat, copy, insert =
 	table.maxn, table.sort, table.concat, table.copy, table.insert
@@ -52,20 +70,18 @@ local WH_LIMIT = 8
 local XOFFSET = sfinv_only and 3.83 or 4.66
 local YOFFSET = sfinv_only and 6 or 6.6
 
-local DEV_CORE = sub(core.get_version().string, -3) == "dev"
+craftguide.background = "craftguide_bg_full.png#10"
-
-craftguide.background = "craftguide_bg_full.png:10"
 
 local PNG = {
-	bg      = "craftguide_bg.png",
+	bg     = "craftguide_bg.png",
-	search  = "craftguide_search_icon.png",
+	search = "craftguide_search_icon.png",
-	clear   = "craftguide_clear_icon.png",
+	clear  = "craftguide_clear_icon.png",
-	prev    = "craftguide_next_icon.png^\\[transformFX",
+	prev   = "craftguide_next_icon.png^\\[transformFX",
-	next    = "craftguide_next_icon.png",
+	next   = "craftguide_next_icon.png",
-	arrow   = "craftguide_arrow.png",
+	arrow  = "craftguide_arrow.png",
-	fire    = "craftguide_fire.png",
+	fire   = "craftguide_fire.png",
-	book    = "craftguide_book.png",
+	book   = "craftguide_book.png",
-	sign    = "craftguide_sign.png",
+	sign   = "craftguide_sign.png",
 }
 
 local FMT = {
@@ -80,12 +96,12 @@ local FMT = {
 }
 
 craftguide.group_stereotypes = {
-	wool         = "wool:white",
+	dye = "dye:white",
-	dye          = "dye:white",
+	wool = "wool:white",
+	coal = "default:coal_lump",
+	vessel = "vessels:glass_bottle",
+	flower = "flowers:dandelion_yellow",
 	water_bucket = "bucket:bucket_water",
-	vessel       = "vessels:glass_bottle",
-	coal         = "default:coal_lump",
-	flower       = "flowers:dandelion_yellow",
 	mesecon_conductor_craftable = "mesecons:wire_00000000_off",
 }
 
@@ -117,12 +133,16 @@ local function table_replace(t, val, new)
 	end
 end
 
-local function is_str(x)
+local function err(str)
-	return type(x) == "string"
+	return log("error", str)
 end
 
-local function is_num(x)
+local function clean_str(str)
-	return type(x) == "number"
+	return match(str, "%S*")
+end
+
+local function is_str(x)
+	return type(x) == "string" and clean_str(x)
 end
 
 local function is_table(x)
@@ -140,8 +160,8 @@ end
 local craft_types = {}
 
 function craftguide.register_craft_type(name, def)
-	if not is_str(name) or name == "" then
+	if not is_str(name) then
-		return log("error", "craftguide.register_craft_type(): name missing")
+		return err("craftguide.register_craft_type(): name missing")
 	end
 
 	if not is_str(def.description) then
@@ -155,36 +175,36 @@ function craftguide.register_craft_type(name, def)
 	craft_types[name] = def
 end
 
-local function clean_name(item)
-	return match(item, "%S+")
-end
-
 function craftguide.register_craft(def)
+	def.custom = true
+	def.width = 0
+	local c = 0
+
 	if not is_table(def) or not next(def) then
-		return log("error", "craftguide.register_craft(): craft definition missing")
+		return err("craftguide.register_craft(): craft definition missing")
 	end
 
 	if def.result then
 		def.output = def.result -- Backward compatibility
 	end
 
-	if not is_str(def.output) or def.output == "" then
+	if not is_str(def.output) then
-		return log("error", "craftguide.register_craft(): output missing")
+		return err("craftguide.register_craft(): output missing")
 	end
 
 	if not is_table(def.items) then
 		def.items = {}
 	end
 
-	if not is_num(def.width) then
-		def.width = 0
-	end
-
 	if def.grid then
 		if not is_table(def.grid) then
 			def.grid = {}
 		end
 
+		if not is_table(def.key) then
+			def.key = {}
+		end
+
 		local cp = copy(def.grid)
 		sort(cp, function(a, b)
 			return #a > #b
@@ -198,14 +218,36 @@ function craftguide.register_craft(def)
 			end
 		end
 
-		local c = 1
 		for symbol in gmatch(concat(def.grid), ".") do
-			def.items[c] = def.key[symbol]
 			c = c + 1
+			def.items[c] = def.key[symbol]
+		end
+	else
+		local items, len = def.items, #def.items
+		def.items = {}
+
+		for i = 1, len do
+			items[i] = items[i]:gsub(",", ", ")
+			local rlen = #split(items[i], ",")
+
+			if rlen > def.width then
+				def.width = rlen
+			end
+		end
+
+		for i = 1, len do
+			while #split(items[i], ",") < def.width do
+				items[i] = items[i] .. ", "
+			end
+		end
+
+		for name in gmatch(concat(items, ","), "[%s%w_:]+") do
+			c = c + 1
+			def.items[c] = clean_str(name)
 		end
 	end
 
-	local output = match(def.output, "%S*")
+	local output = clean_str(def.output)
 	recipes_cache[output] = recipes_cache[output] or {}
 	insert(recipes_cache[output], def)
 end
@@ -213,15 +255,25 @@ end
 local recipe_filters = {}
 
 function craftguide.add_recipe_filter(name, f)
-	if not is_str(name) or name == "" then
+	if not is_str(name) then
-		return log("error", "craftguide.add_recipe_filter(): name missing")
+		return err("craftguide.add_recipe_filter(): name missing")
 	elseif not is_func(f) then
-		return log("error", "craftguide.add_recipe_filter(): function missing")
+		return err("craftguide.add_recipe_filter(): function missing")
 	end
 
 	recipe_filters[name] = f
 end
 
+function craftguide.set_recipe_filter(name, f)
+	if not is_str(name) then
+		return err("craftguide.set_recipe_filter(): name missing")
+	elseif not is_func(f) then
+		return err("craftguide.set_recipe_filter(): function missing")
+	end
+
+	recipe_filters = {[name] = f}
+end
+
 function craftguide.remove_recipe_filter(name)
 	recipe_filters[name] = nil
 end
@@ -241,10 +293,10 @@ end
 local search_filters = {}
 
 function craftguide.add_search_filter(name, f)
-	if not is_str(name) or name == "" then
+	if not is_str(name) then
-		return log("error", "craftguide.add_search_filter(): name missing")
+		return err("craftguide.add_search_filter(): name missing")
 	elseif not is_func(f) then
-		return log("error", "craftguide.add_search_filter(): function missing")
+		return err("craftguide.add_search_filter(): function missing")
 	end
 
 	search_filters[name] = f
@@ -297,8 +349,7 @@ local function groups_item_in_recipe(item, recipe)
 end
 
 local function get_filtered_items(player, data)
-	local items, c = {}, 0
+	local items, known, c = {}, 0, 0
-	local known = 0
 
 	for i = 1, #init_items do
 		local item = init_items[i]
@@ -309,10 +360,10 @@ local function get_filtered_items(player, data)
 		usages  = #apply_recipe_filters(usages or {}, player)
 
 		if recipes > 0 or usages > 0 then
-			if not data then
+			c = c + 1
-				c = c + 1
+			items[c] = item
-				items[c] = item
+
-			else
+			if data then
 				known = known + recipes + usages
 			end
 		end
@@ -320,9 +371,9 @@ local function get_filtered_items(player, data)
 
 	if data then
 		data.known_recipes = known
-	else
-		return items
 	end
+
+	return items
 end
 
 local function get_usages(item)
@@ -331,7 +382,6 @@ local function get_usages(item)
 	for _, recipes in pairs(recipes_cache) do
 	for i = 1, #recipes do
 		local recipe = recipes[i]
-
 		if item_in_recipe(item, recipe) then
 			c = c + 1
 			usages[c] = recipe
@@ -348,15 +398,25 @@ local function get_usages(item)
 	if fuel_cache[item] then
 		usages[#usages + 1] = {
 			type = "fuel",
-			width = 1,
 			items = {item},
-			replacements = fuel_cache[item].replacements,
+			replacements = fuel_cache.replacements[item],
 		}
 	end
 
 	return usages
 end
 
+local function get_burntime(item)
+	return get_craft_result({method = "fuel", items = {item}}).time
+end
+
+local function cache_fuel(item)
+	local burntime = get_burntime(item)
+	if burntime > 0 then
+		fuel_cache[item] = burntime
+	end
+end
+
 local function cache_usages(item)
 	local usages = get_usages(item)
 	if #usages > 0 then
@@ -364,6 +424,13 @@ local function cache_usages(item)
 	end
 end
 
+local function cache_recipes(output)
+	local recipes = get_all_recipes(output) or {}
+	if #recipes > 0 then
+		recipes_cache[output] = recipes
+	end
+end
+
 local function get_recipes(item, data, player)
 	local recipes = recipes_cache[item]
 	local usages = usages_cache[item]
@@ -444,7 +511,7 @@ local function get_tooltip(item, info)
 	tooltip = get_desc(reg_items[item])
 
 	local function add(str)
-		return tooltip .. "\n" .. str
+		return fmt("%s\n%s", tooltip, str)
 	end
 
 	if info.cooktime then
@@ -494,11 +561,12 @@ local function get_output_fs(fs, L)
 		local tooltip = custom_recipe and custom_recipe.description or
 				L.shapeless and S("Shapeless") or S("Cooking")
 
-		fs[#fs + 1] = fmt("tooltip[%f,%f;%f,%f;%s]",
+		if CORE_VERSION >= 500 then
-			pos_x, pos_y, 0.5, 0.5, ESC(tooltip))
+			fs[#fs + 1] = fmt(FMT.tooltip, pos_x, pos_y, 0.5, 0.5, ESC(tooltip))
+		end
 	end
 
-	local arrow_X  = L.rightest + (L.s_btn_size or 1.1)
+	local arrow_X = L.rightest + (L.s_btn_size or 1.1)
 	local output_X = arrow_X + 0.9
 
 	fs[#fs + 1] = fmt(FMT.image,
@@ -511,14 +579,14 @@ local function get_output_fs(fs, L)
 			1.1, 1.1, PNG.fire)
 	else
 		local item = L.recipe.output
-		local name = clean_name(item)
+		local name = clean_str(item)
-		local burntime = fuel_cache[name] and fuel_cache[name].burntime
 
 		fs[#fs + 1] = fmt(FMT.item_image_button,
 			output_X, YOFFSET + (sfinv_only and 0.7 or 0),
 			1.1, 1.1, item, ESC(name), "")
 
-		local repair = repairable(item)
+		local burntime = fuel_cache[name]
+		local repair = repairable(name)
 
 		if burntime or repair then
 			fs[#fs + 1] = get_tooltip(name, {
@@ -541,13 +609,13 @@ end
 
 local function get_recipe_fs(data, fs)
 	local recipe = data.recipes[data.rnum]
-	local width = recipe.width
+	local width = recipe.width or 1
 	local replacements = recipe.replacements
 	local cooktime, shapeless
 
 	if recipe.type == "cooking" then
 		cooktime, width = width, 1
-	elseif width == 0 then
+	elseif width == 0 and not recipe.custom then
 		shapeless = true
 		local n = #recipe.items
 		width = (n < 5 and n > 1) and 2 or min(3, max(1, n))
@@ -612,7 +680,7 @@ local function get_recipe_fs(data, fs)
 			for j = 1, #replacements do
 				local replacement = replacements[j]
 				if replacement[1] == item then
-					label = label .. "\nR"
+					label = "\nR"
 					replace = replacement[2]
 				end
 			end
@@ -620,16 +688,14 @@ local function get_recipe_fs(data, fs)
 
 		fs[#fs + 1] = fmt(FMT.item_image_button,
 			X, Y + (sfinv_only and 0.7 or 0),
-			btn_size, btn_size, item, clean_name(item), ESC(label))
+			btn_size, btn_size, item, clean_str(item), ESC(label))
-
-		local burntime = fuel_cache[item] and fuel_cache[item].burntime
 
 		local info = {
+			unknown  = not reg_items[item],
 			groups   = groups,
-			burntime = burntime,
+			burntime = fuel_cache[item],
 			cooktime = cooktime,
 			replace  = replace,
-			repair   = nil,
 		}
 
 		for _, v in pairs(info) do
@@ -656,17 +722,19 @@ local function make_formspec(name)
 	local fs = {}
 
 	if not sfinv_only then
-		local bg, middle = match(craftguide.background, "(.-):(%d+)")
+		local bg, middle = match(craftguide.background, "([%w_%.]*)([#%d]*)")
 		bg = bg or ""
-		middle = middle or "10"
+		middle = tonumber(sub(middle, 2)) or 10
 
-		fs[#fs + 1] = fmt([[
+		fs[#fs + 1] = [[
 			size[9.5,8.4]
 			no_prepend[]
-			bgcolor[#00000000;false]
+			bgcolor[#0000]
-			background[1,1;1,1;%s;true%s]
+		]]
-		]],
+
-		bg, DEV_CORE and ";" .. middle or "")
+		fs[#fs + 1] = CORE_VERSION >= 510 and
+			fmt("background9[1,1;1,1;%s;true;%d]", bg, middle) or
+			fmt("background[1,1;1,1;%s;true]", bg)
 	end
 
 	fs[#fs + 1] = fmt([[
@@ -682,16 +750,14 @@ local function make_formspec(name)
 		sfinv_only and 2.6 or 2.54, PNG.search, PNG.search,
 		sfinv_only and 3.3 or 3.25, PNG.clear, PNG.clear)
 
-	fs[#fs + 1] = fmt("label[%f,%f;%s / %u]",
-		sfinv_only and 6.35 or 7.85, 0.06,
-		clr("yellow", data.pagenum), data.pagemax)
-
 	fs[#fs + 1] = fmt([[
 		image_button[%f,-0.05;0.8,0.8;%s;prev;;;false;%s^\[colorize:yellow:255]
+		label[%f,%f;%s / %u]
 		image_button[%f,-0.05;0.8,0.8;%s;next;;;false;%s^\[colorize:yellow:255]
 		]],
 		sfinv_only and 5.45 or 6.83, PNG.prev, PNG.prev,
-		sfinv_only and 7.2 or 8.75, PNG.next, PNG.next)
+		sfinv_only and 6.35 or 7.85, 0.06, clr("yellow", data.pagenum), data.pagemax,
+		sfinv_only and 7.2  or 8.75, PNG.next, PNG.next)
 
 	if #data.items == 0 then
 		local no_item = S("No item to show")
@@ -777,7 +843,7 @@ local function search(data)
 		local item = data.items_raw[i]
 		local def  = reg_items[item]
 		local desc = (def and def.description) and lower(def.description) or ""
-		local search_in = item .. " " .. desc
+		local search_in = fmt("%s %s", item, desc)
 		local to_add
 
 		if search_filter then
@@ -808,12 +874,140 @@ local function search(data)
 	data.items = filtered_list
 end
 
+local old_register_alias = core.register_alias
+
+core.register_alias = function(old, new)
+	old_register_alias(old, new)
+	alias_cache[new] = old
+end
+
+--[[	As `core.get_craft_recipe` and `core.get_all_craft_recipes` do not
+	return the replacements and toolrepair, we have to override
+	`core.register_craft` and do some reverse engineering.
+	See engine's issues #4901 and #8920.	]]
+
+fuel_cache.replacements = {}
+
+local old_register_craft = core.register_craft
+
+core.register_craft = function(def)
+	old_register_craft(def)
+
+	if def.type == "toolrepair" then
+		toolrepair = def.additional_wear * -100
+	end
+
+	local output = def.output or is_str(def.recipe)
+	if not output then return end
+	output = {clean_str(output)}
+
+	local groups
+
+	if is_group(output[1]) then
+		groups = extract_groups(output[1])
+		output = groups_to_items(groups, true)
+	end
+
+	for i = 1, #output do
+		local name = output[i]
+
+		if def.type ~= "fuel" then
+			def.items = {}
+		end
+
+		if def.type == "fuel" then
+			fuel_cache[name] = def.burntime
+			fuel_cache.replacements[name] = def.replacements
+
+		elseif def.type == "cooking" then
+			def.width = def.cooktime
+			def.cooktime = nil
+			def.items[1] = def.recipe
+
+		elseif def.type == "shapeless" then
+			def.width = 0
+			for j = 1, #def.recipe do
+				def.items[#def.items + 1] = def.recipe[j]
+			end
+		else
+			def.width = #def.recipe[1]
+			local c = 0
+
+			for j = 1, #def.recipe do
+				if def.recipe[j] then
+					for h = 1, def.width do
+						c = c + 1
+						local it = def.recipe[j][h]
+
+						if it and it ~= "" then
+							def.items[c] = it
+						end
+					end
+				end
+			end
+		end
+
+		if def.type ~= "fuel" then
+			def.recipe = nil
+			recipes_cache[name] = recipes_cache[name] or {}
+			insert(recipes_cache[name], 1, def)
+		end
+	end
+end
+
+local function show_item(def)
+	return not (def.groups.not_in_craft_guide == 1 or
+		def.groups.not_in_creative_inventory == 1) and
+		def.description and def.description ~= ""
+end
+
+local function get_init_items()
+	local c = 0
+	for name, def in pairs(reg_items) do
+		if show_item(def) then
+			local old_name = alias_cache[name]
+			if old_name then
+				local old_recipes = recipes_cache[old_name]
+				local old_usages = usages_cache[old_name]
+
+				if old_recipes then
+					recipes_cache[name] = old_recipes
+				end
+
+				if old_usages then
+					usages_cache[name] = old_usages
+				end
+			end
+
+			if not fuel_cache[name] then
+				cache_fuel(name)
+			end
+
+			if not recipes_cache[name] then
+				cache_recipes(name)
+			end
+
+			cache_usages(name)
+
+			if recipes_cache[name] or usages_cache[name] then
+				c = c + 1
+				init_items[c] = name
+			end
+		end
+	end
+
+	sort(init_items)
+end
+
 local function init_data(name)
+	local items = CORE_VERSION >= 500 and init_items or
+		(#init_items == 0 and get_init_items() or init_items)
+
 	pdata[name] = {
 		filter    = "",
 		pagenum   = 1,
-		items     = init_items,
+		items     = items,
-		items_raw = init_items,
+		items_raw = items,
 	}
 end
 
@@ -827,111 +1021,10 @@ local function reset_data(data)
 	data.items       = data.items_raw
 end
 
--- As `core.get_craft_recipe` and `core.get_all_craft_recipes` do not return the replacements,
+if CORE_VERSION >= 500 then
--- we have to override `core.register_craft` and `core.register_alias` and do some reverse engineering.
+	on_mods_loaded(get_init_items)
--- See engine's issues #4901 and #8920.
-
-local old_register_alias = core.register_alias
-local current_alias = {}
-
-core.register_alias = function(old, new)
-	old_register_alias(old, new)
-	current_alias = {old, new}
 end
 
-local old_register_craft = core.register_craft
-
-core.register_craft = function(recipe)
-	old_register_craft(recipe)
-
-	if recipe.type == "toolrepair" then
-		toolrepair = recipe.additional_wear * -100
-	end
-
-	local output = recipe.output or
-		(is_str(recipe.recipe) and recipe.recipe or "")
-
-	if output == "" then return end
-	output = {clean_name(output)}
-	local groups
-
-	if is_group(output[1]) then
-		groups = extract_groups(output[1])
-		output = groups_to_items(groups, true)
-	end
-
-	for i = 1, #output do
-		local item = output[i]
-		if item == current_alias[1] then
-			item = current_alias[2]
-		end
-
-		recipe.items = {}
-
-		if recipe.type == "fuel" then
-			fuel_cache[item] = recipe
-
-		elseif recipe.type == "cooking" then
-			recipe.width = recipe.cooktime
-			recipe.cooktime = nil
-			recipe.items[1] = recipe.recipe
-
-		elseif recipe.type == "shapeless" then
-			recipe.width = 0
-			for j = 1, #recipe.recipe do
-				recipe.items[#recipe.items + 1] = recipe.recipe[j]
-			end
-		else
-			recipe.width = #recipe.recipe[1]
-			local c = 1
-
-			for j = 1, #recipe.recipe do
-				if recipe.recipe[j] then
-					for h = 1, recipe.width do
-						local it = recipe.recipe[j][h]
-
-						if it and it ~= "" then
-							recipe.items[c] = it
-						end
-
-						c = c + 1
-					end
-				end
-			end
-		end
-
-		if recipe.type ~= "fuel" then
-			recipe.recipe = nil
-			recipes_cache[item] = recipes_cache[item] or {}
-			insert(recipes_cache[item], 1, recipe)
-		end
-	end
-end
-
-local function show_item(def)
-	return not (def.groups.not_in_craft_guide == 1 or
-		def.groups.not_in_creative_inventory == 1) and
-		def.description and def.description ~= ""
-end
-
-local function get_init_items()
-	local c = 1
-	for name, def in pairs(reg_items) do
-		if show_item(def) then
-			cache_usages(name)
-
-			if recipes_cache[name] or usages_cache[name] then
-				init_items[c] = name
-				c = c + 1
-			end
-		end
-	end
-
-	sort(init_items)
-end
-
-on_mods_loaded(get_init_items)
-
 on_joinplayer(function(player)
 	local name = player:get_player_name()
 	init_data(name)
@@ -1131,6 +1224,7 @@ end
 if progressive_mode then
 	local PLAYERS = {}
 	local POLL_FREQ = 0.25
+	local HUD_TIMER_MAX = 1.5
 
 	local function table_diff(t1, t2)
 		local hash = {}
@@ -1245,15 +1339,16 @@ if progressive_mode then
 		return inv_items
 	end
 
-	local function show_hud_success(player, data, dtime)
+	local function show_hud_success(player, data)
-		-- It'd better to have an engine function `hud_move` to do not
+		-- It'd better to have an engine function `hud_move` to only need
-		-- depend on the server dtime, and use the client dtime internally instead.
+		-- 2 calls for the notification's back and forth.
 
 		local hud_info_bg = player:hud_get(data.hud.bg)
+		local dt = 0.016
 
 		if hud_info_bg.position.y <= 0.9 then
 			data.show_hud = false
-			data.hud_timer = (data.hud_timer or 0) + dtime
+			data.hud_timer = (data.hud_timer or 0) + dt
 		end
 
 		if data.show_hud then
@@ -1262,7 +1357,7 @@ if progressive_mode then
 
 				player:hud_change(def, "position", {
 					x = hud_info.position.x,
-					y = hud_info.position.y - (dtime / 5)
+					y = hud_info.position.y - (dt / 5)
 				})
 			end
 
@@ -1270,13 +1365,13 @@ if progressive_mode then
 				S("@1 new recipe(s) discovered!", data.discovered))
 
 		elseif data.show_hud == false then
-			if data.hud_timer > 3 then
+			if data.hud_timer >= HUD_TIMER_MAX then
 				for _, def in pairs(data.hud) do
 					local hud_info = player:hud_get(def)
 
 					player:hud_change(def, "position", {
 						x = hud_info.position.x,
-						y = hud_info.position.y + (dtime / 5)
+						y = hud_info.position.y + (dt / 5)
 					})
 				end
 
@@ -1303,12 +1398,19 @@ if progressive_mode then
 				data.inv_items = table_merge(diff, data.inv_items)
 
 				local oldknown = data.known_recipes or 0
-				get_filtered_items(player, data)
+				local items = get_filtered_items(player, data)
+
 				data.discovered = data.known_recipes - oldknown
 
 				if data.show_hud == nil and data.discovered > 0 then
 					data.show_hud = true
 				end
+
+				if sfinv_only then
+					data.items_raw = items
+					search(data)
+					sfinv.set_player_inventory_formspec(player)
+				end
 			end
 		end
 
@@ -1317,14 +1419,14 @@ if progressive_mode then
 
 	poll_new_items()
 
-	globalstep(function(dtime)
+	globalstep(function()
 		for i = 1, #PLAYERS do
 			local player = PLAYERS[i]
 			local name   = player:get_player_name()
 			local data   = pdata[name]
 
 			if data.show_hud ~= nil then
-				show_hud_success(player, data, dtime)
+				show_hud_success(player, data)
 			end
 		end
 	end)
@@ -1334,12 +1436,17 @@ if progressive_mode then
 	on_joinplayer(function(player)
 		PLAYERS = get_players()
 
-		local meta = player:get_meta()
 		local name = player:get_player_name()
 		local data = pdata[name]
 
-		data.inv_items = deserialize(meta:get_string("inv_items")) or {}
+		if CORE_VERSION >= 500 then
-		data.known_recipes = deserialize(meta:get_string("known_recipes")) or 0
+			local meta = player:get_meta()
+			data.inv_items = dslz(meta:get_string("inv_items")) or {}
+			data.known_recipes = dslz(meta:get_string("known_recipes")) or 0
+		else
+			data.inv_items = dslz(player:get_attribute("inv_items")) or {}
+			data.known_recipes = dslz(player:get_attribute("known_recipes")) or 0
+		end
 
 		data.hud = {
 			bg = player:hud_add({
@@ -1374,13 +1481,22 @@ if progressive_mode then
 	}
 
 	local function save_meta(player)
-		local meta = player:get_meta()
+		local meta
 		local name = player:get_player_name()
 		local data = pdata[name]
 
+		if CORE_VERSION >= 500 then
+			meta = player:get_meta()
+		end
+
 		for i = 1, #to_save do
 			local meta_name = to_save[i]
-			meta:set_string(meta_name, serialize(data[meta_name]))
+
+			if CORE_VERSION >= 500 then
+				meta:set_string(meta_name, slz(data[meta_name]))
+			else
+				player:set_attribute(meta_name, slz(data[meta_name]))
+			end
 		end
 	end
 
@@ -1462,8 +1578,8 @@ register_command("craft", {
 })
 
 function craftguide.show(name, item, show_usages)
-	if not is_str(name) or name == "" then
+	if not is_str(name) then
-		return log("error", "craftguide.show(): player name missing")
+		return err("craftguide.show(): player name missing")
 	end
 
 	local data = pdata[name]

locale/craftguide.it.tr

@@ -0,0 +1,23 @@
+# textdomain: craftguide
+
+Craft Guide=Guida di assemblaggio
+Crafting Guide=Guida d'assemblaggio
+Crafting Guide Sign=Cartello della guida d'assemblaggio
+Usage @1 of @2=Utilizzo @1 di @2
+Recipe @1 of @2=Ricetta @1 di @2
+Burning time: @1=Tempo di bruciatura: @1
+Cooking time: @1=Tempo di cottura: @1
+Replaced by @1 on smelting=Sostituito da @1 alla fusione
+Replaced by @1 on burning=Sostituito da @1 alla bruciatura
+Replaced by @1 on crafting=Sostituito da @1 all'assemblaggio
+Repairable by step of @1=Riparabile per passo di @1
+Any item belonging to the group(s): @1=Qualunque oggetto appartenente al gruppo: @1
+Recipe's too big to be displayed (@1x@2)=La ricetta è troppo grande per essere mostrata (@1x@2)
+Shapeless=Senza forma
+Cooking=Cottura
+No item to show=Nessun oggetto da mostrare
+Collect items to reveal more recipes=Raccogli oggetti per svelare più ricette
+Show recipe(s) of the pointed node=Mostra la ricetta del nodo puntato
+No node pointed=Nessun nodo puntato
+You don't know a recipe for this node=Non conosci una ricetta per questo nodo
+No recipe for this node=Nessuna ricetta per questo nodo