diff --git a/API.md b/API.md
index 64b0db9..51a8cb4 100644
--- a/API.md
+++ b/API.md
@@ -186,9 +186,9 @@ Removes all recipe filters and adds a new one.
 
 Removes the recipe filter with the given `name`.
 
-#### `i3.get_recipe_filters()`
+#### `i3.recipe_filters`
 
-Returns a map of recipe filters, indexed by name.
+A map of recipe filters, indexed by name.
 
 ---
 
@@ -233,9 +233,9 @@ end)
 
 Removes the search filter with the given `name`.
 
-#### `i3.get_search_filters()`
+#### `i3.search_filters`
 
-Returns a map of search filters, indexed by name.
+A map of search filters, indexed by name.
 
 ---
 
diff --git a/etc/common.lua b/etc/common.lua
new file mode 100644
index 0000000..edbfcde
--- /dev/null
+++ b/etc/common.lua
@@ -0,0 +1,211 @@
+local modpath = core.get_modpath "i3"
+local item_compression = core.settings:get_bool("i3_item_compression", true)
+local reg_items, translate = core.registered_items, core.get_translated_string
+
+local fmt, find, gmatch, match, sub, split, lower =
+	string.format, string.find, string.gmatch, string.match,
+	string.sub, string.split, string.lower
+
+local function reset_compression(data)
+	data.alt_items = nil
+	data.expand = ""
+end
+
+local function search(data)
+	reset_compression(data)
+
+	local filter = data.filter
+	local opt = "^(.-)%+([%w_]+)=([%w_,]+)"
+	local search_filter = next(i3.search_filters) and match(filter, opt)
+	local filters = {}
+
+	if search_filter then
+		search_filter = search_filter:trim()
+
+		for filter_name, values in gmatch(filter, sub(opt, 6)) do
+			if i3.search_filters[filter_name] then
+				values = split(values, ",")
+				filters[filter_name] = values
+			end
+		end
+	end
+
+	local filtered_list, c = {}, 0
+
+	for i = 1, #data.items_raw do
+		local item = data.items_raw[i]
+		local def = core.registered_items[item]
+		local desc = lower(translate(data.lang_code, def and def.description)) or ""
+		local search_in = fmt("%s %s", item, desc)
+		local temp, j, to_add = {}, 1
+
+		if search_filter then
+			for filter_name, values in pairs(filters) do
+				if values then
+					local func = i3.search_filters[filter_name]
+					to_add = (j > 1 and temp[item] or j == 1) and
+						func(item, values) and (search_filter == "" or
+						find(search_in, search_filter, 1, true))
+
+					if to_add then
+						temp[item] = true
+					end
+
+					j = j + 1
+				end
+			end
+		else
+			local ok = true
+
+			for keyword in gmatch(filter, "%S+") do
+				if not find(search_in, keyword, 1, true) then
+					ok = nil
+					break
+				end
+			end
+
+			if ok then
+				to_add = true
+			end
+		end
+
+		if to_add then
+			c = c + 1
+			filtered_list[c] = item
+		end
+	end
+
+	data.items = filtered_list
+end
+
+local function table_merge(t1, t2, hash)
+	t1 = t1 or {}
+	t2 = t2 or {}
+
+	if hash then
+		for k, v in pairs(t2) do
+			t1[k] = v
+		end
+	else
+		local c = #t1
+
+		for i = 1, #t2 do
+			c = c + 1
+			t1[c] = t2[i]
+		end
+	end
+
+	return t1
+end
+
+local function is_group(item)
+	return sub(item, 1, 6) == "group:"
+end
+
+local function extract_groups(str)
+	if sub(str, 1, 6) == "group:" then
+		return split(sub(str, 7), ",")
+	end
+end
+
+local function item_has_groups(item_groups, groups)
+	for i = 1, #groups do
+		local group = groups[i]
+		if (item_groups[group] or 0) == 0 then return end
+	end
+
+	return true
+end
+
+local function show_item(def)
+	return def and def.groups.not_in_creative_inventory ~= 1 and
+		def.description and def.description ~= ""
+end
+
+local function groups_to_items(groups, get_all)
+	if not get_all and #groups == 1 then
+		local group = groups[1]
+		local stereotype = i3.group_stereotypes[group]
+		local def = reg_items[stereotype]
+
+		if show_item(def) then
+			return stereotype
+		end
+	end
+
+	local names = {}
+
+	for name, def in pairs(reg_items) do
+		if show_item(def) and item_has_groups(def.groups, groups) then
+			if get_all then
+				names[#names + 1] = name
+			else
+				return name
+			end
+		end
+	end
+
+	return get_all and names or ""
+end
+
+local function apply_recipe_filters(recipes, player)
+	for _, filter in pairs(i3.recipe_filters) do
+		recipes = filter(recipes, player)
+	end
+
+	return recipes
+end
+
+local function compression_active(data)
+	return item_compression and not next(i3.recipe_filters) and data.filter == ""
+end
+
+local function compressible(item, data)
+	return compression_active(data) and i3.compress_groups[item]
+end
+
+local function is_str(x)
+	return type(x) == "string"
+end
+
+local function true_str(str)
+	return is_str(str) and str ~= ""
+end
+
+local function is_fav(favs, query_item)
+	local fav, i
+	for j = 1, #favs do
+		if favs[j] == query_item then
+			fav = true
+			i = j
+			break
+		end
+	end
+
+	return fav, i
+end
+
+return {
+	init = {
+		is_str,
+		show_item,
+		reset_compression,
+	},
+
+	progressive = {
+		search,
+		table_merge,
+		is_group,
+		extract_groups,
+		item_has_groups,
+		apply_recipe_filters,
+	},
+
+	gui = {
+		groups_to_items,
+		compression_active,
+		compressible,
+		true_str,
+		is_fav,
+	},
+}
diff --git a/etc/gui.lua b/etc/gui.lua
new file mode 100644
index 0000000..0c23a22
--- /dev/null
+++ b/etc/gui.lua
@@ -0,0 +1,1312 @@
+local modpath = core.get_modpath "i3"
+local damage_enabled = core.settings:get_bool "enable_damage"
+
+local reg_items = core.registered_items
+local reg_entities = core.registered_entities
+local reg_tools = core.registered_tools
+
+local pairs, ipairs, next, type, setmetatable, unpack, select =
+	pairs, ipairs, next, type, setmetatable, unpack, select
+
+local sprintf, sub, find, match, upper =
+	string.format, string.sub, string.find, string.match, string.upper
+
+local concat, sort, insert, remove, maxn, copy =
+	table.concat, table.sort, table.insert, table.remove, table.maxn,
+	table.copy
+
+local min, max, floor, ceil = math.min, math.max, math.floor, math.ceil
+
+local clr, ESC, check_privs, translate =
+	core.colorize, core.formspec_escape, core.check_player_privs, core.get_translated_string
+
+local model_aliases = loadfile(modpath .. "/etc/model_aliases.lua")()
+local PNG, styles, fs_elements = loadfile(modpath .. "/etc/styles.lua")()
+
+local _, _, is_group, extract_groups, item_has_groups =
+	unpack(dofile(modpath .. "/etc/common.lua").progressive)
+
+local groups_to_items, compression_active, compressible, true_str, is_fav =
+	unpack(dofile(modpath .. "/etc/common.lua").gui)
+
+local S = i3.S
+
+local ES = function(...)
+	return ESC(S(...))
+end
+
+local function is_num(x)
+	return type(x) == "number"
+end
+
+local function round(num, decimal)
+	local mul = 10 ^ decimal
+	return floor(num * mul + 0.5) / mul
+end
+
+local function fmt(elem, ...)
+	if not fs_elements[elem] then
+		return sprintf(elem, ...)
+	end
+
+	return sprintf(fs_elements[elem], ...)
+end
+
+local function repairable(tool)
+	local def = reg_tools[tool]
+	return i3.toolrepair and def and def.groups and def.groups.disable_repair ~= 1
+end
+
+local function weird_desc(str)
+	return not true_str(str) or find(str, "\n") or not find(str, "%u")
+end
+
+local function toupper(str)
+	return str:gsub("%f[%w]%l", upper):gsub("_", " ")
+end
+
+local function snip(str, limit)
+	return #str > limit and fmt("%s...", sub(str, 1, limit - 3)) or str
+end
+
+local function get_desc(item)
+	if sub(item, 1, 1) == "_" then
+		item = sub(item, 2)
+	end
+
+	local def = reg_items[item]
+
+	if not def then
+		return S("Unknown Item (@1)", item)
+	end
+
+	local desc = def.description
+
+	if true_str(desc) then
+		desc = desc:trim():match("[^\n]*"):gsub("_", " ")
+
+		if not find(desc, "%u") then
+			desc = toupper(desc)
+		end
+
+		return desc
+
+	elseif true_str(item) then
+		return toupper(match(item, ":(.*)"))
+	end
+end
+
+local function get_stack_max(inv, data, is_recipe, rcp)
+	local list = inv:get_list("main")
+	local size = inv:get_size("main")
+	local counts_inv, counts_rcp, counts = {}, {}, {}
+	local rcp_usg = is_recipe and "recipe" or "usage"
+
+	for _, it in pairs(rcp.items) do
+		counts_rcp[it] = (counts_rcp[it] or 0) + 1
+	end
+
+	data.export_counts[rcp_usg] = {}
+	data.export_counts[rcp_usg].rcp = counts_rcp
+
+	for i = 1, size do
+		local stack = list[i]
+
+		if not stack:is_empty() then
+			local item = stack:get_name()
+			local count = stack:get_count()
+
+			for name in pairs(counts_rcp) do
+				if is_group(name) then
+					local def = reg_items[item]
+
+					if def then
+						local groups = extract_groups(name)
+
+						if item_has_groups(def.groups, groups) then
+							counts_inv[name] = (counts_inv[name] or 0) + count
+						end
+					end
+				end
+			end
+
+			counts_inv[item] = (counts_inv[item] or 0) + count
+		end
+	end
+
+	data.export_counts[rcp_usg].inv = counts_inv
+
+	for name in pairs(counts_rcp) do
+		counts[name] = floor((counts_inv[name] or 0) / (counts_rcp[name] or 0))
+	end
+
+	local max_stacks = math.huge
+
+	for _, count in pairs(counts) do
+		if count < max_stacks then
+			max_stacks = count
+		end
+	end
+
+	return max_stacks
+end
+
+local function get_inv_slots(data, fs)
+	local inv_x, inv_y = 0.22, 6.9
+	local width, size, spacing = i3.HOTBAR_LEN, 1, 0.1
+	local bag = data.bag_size
+
+	fs("style_type[box;colors=#77777710,#77777710,#777,#777]")
+
+	for i = 0, i3.HOTBAR_LEN - 1 do
+		fs("box", i * size + inv_x + (i * spacing), inv_y, size, size, "")
+	end
+
+	fs(fmt("style_type[list;size=%f;spacing=%f]", size, spacing),
+	   fmt("list[current_player;main;%f,%f;%u,1;]", inv_x, inv_y, i3.HOTBAR_LEN))
+
+	if bag then
+		if bag == 1 then
+			width, size = 10, 0.892
+		elseif bag == 2 then
+			width, size = 11, 0.8
+		elseif bag == 3 then
+			width, size = 12, 0.726
+		end
+	end
+
+	fs(fmt("style_type[list;size=%f;spacing=%f]", size, spacing),
+	   fmt("list[current_player;main;%f,%f;%u,%u;%u]", inv_x, inv_y + 1.15,
+		width, (bag and i3.BAG_SIZES[data.bag_size] or i3.INV_SIZE) / width, i3.HOTBAR_LEN),
+	   "style_type[list;size=1;spacing=0.15]")
+
+	fs("listring[current_player;craft]listring[current_player;main]")
+end
+
+local function add_subtitle(fs, name, y, ctn_len, font_size, sep, label)
+	fs(fmt("style[%s;font=bold;font_size=%u]", name, font_size))
+	fs("button", 0, y, ctn_len, 0.5, name, ESC(label))
+
+	if sep then
+		fs("image", 0, y + 0.55, ctn_len, 0.035, PNG.bar)
+	end
+end
+
+local function get_award_list(data, fs, ctn_len, yextra, award_list, awards_unlocked, award_list_nb)
+	local percent = fmt("%.1f%%", (awards_unlocked * 100) / award_list_nb):gsub(".0", "")
+
+	add_subtitle(fs, "awards", yextra, ctn_len, 18, false,
+		ES("Achievements: @1 of @2 (@3)", awards_unlocked, award_list_nb, percent))
+
+	for i = 1, award_list_nb do
+		local award = award_list[i]
+		local y = yextra - 0.6 + i + (i * 0.3)
+
+		local def, progress = award.def, award.progress
+		local title, desc = def.title, def.description
+
+		title = translate(data.lang_code, title)
+		desc = translate(data.lang_code, desc):gsub("%.$", "")
+
+		local title_lim, _title = 27
+		local desc_lim, _desc = 39
+		local icon_size = 1.1
+		local box_len = ctn_len - icon_size + 0.1
+
+		if #title > title_lim then
+			_title = snip(title, title_lim)
+		end
+
+		if #desc > desc_lim then
+			_desc = snip(desc, desc_lim)
+		end
+
+		if not award.unlocked and def.secret then
+			title = ES"Secret award"
+			desc = ES"Unlock this award to find out what it is"
+		end
+
+		local icon = def.icon or "awards_unknown.png"
+
+		if not award.unlocked then
+			icon = fmt("%s^\\[colorize:#000:180", icon)
+		end
+
+		fs[#fs + 1] = fmt("image", 0, y + 0.01, icon_size, icon_size, icon)
+		fs[#fs + 1] = "style_type[box;colors=#bababa30,#bababa30,#bababa05,#bababa05]"
+		fs[#fs + 1] = fmt("box", icon_size + 0.1, y, box_len, icon_size, "")
+
+		if progress then
+			local current, target = progress.current, progress.target
+			local curr_bar = (current * box_len) / target
+
+			fs[#fs + 1] = fmt("box", icon_size + 0.1, y + 0.8, box_len, 0.3, "#101010")
+			fs[#fs + 1] = "style_type[box;colors=#9dc34c80,#9dc34c,#9dc34c,#9dc34c80]"
+			fs[#fs + 1] = fmt("box", icon_size + 0.1, y + 0.8, curr_bar, 0.3, "")
+			fs[#fs + 1] = "style_type[label;font_size=14]"
+			fs[#fs + 1] = fmt("label", icon_size + 0.5, y + 0.97, fmt("%u / %u", current, target))
+
+			y = y - 0.14
+		end
+
+		title = _title or title
+		desc = _desc or desc
+
+		fs[#fs + 1] = "style_type[label;font=bold;font_size=17]"
+		fs[#fs + 1] = fmt("label", icon_size + 0.2, y + 0.4, title)
+		fs[#fs + 1] = "style_type[label;font=normal;font_size=15]"
+		fs[#fs + 1] = fmt("label", icon_size + 0.2, y + 0.75, clr("#bbbbbb", desc))
+		fs[#fs + 1] = "style_type[label;font_size=16]"
+	end
+end
+
+local function get_waypoint_fs(fs, data, player, yextra, ctn_len)
+	fs(fmt("box[0,%f;4.9,0.6;#bababa25]", yextra + 1.1))
+	fs("label", 0, yextra + 0.85, ES"Waypoint name:")
+	fs(fmt("field[0.1,%f;4.8,0.6;waypoint_name;;]", yextra + 1.1))
+	fs("image_button", 5.1, yextra + 1.15, 0.5, 0.5, "", "waypoint_add", "")
+	fs(fmt("tooltip[waypoint_add;%s]", ES"Add waypoint"))
+
+	if #data.waypoints == 0 then return end
+
+	for i, v in ipairs(data.waypoints) do
+		local y = yextra + 1.35 + (i - (i * 0.3))
+		local icon_size, yi = 0.35, y + 0.12
+
+		fs("style_type[box;colors=#bababa30,#bababa30,#bababa05,#bababa05]")
+		fs("box", 0, y, ctn_len, 0.6, "")
+
+		local waypoint_name, lim = v.name, 18
+
+		if #v.name > lim then
+			waypoint_name = snip(waypoint_name, lim)
+		end
+
+		fs("style_type[label;font_size=17]")
+
+		local hex = fmt("%02x", v.color)
+
+		while #hex < 6 do
+			hex = "0" .. hex
+		end
+
+		fs("label", 0.15, y + 0.33, clr(fmt("#%s", hex), waypoint_name))
+
+		fs("tooltip", 0, y, ctn_len - 2.5, 0.65,
+			fmt("Name: %s\nPosition:%s", clr("#ff0", v.name),
+				core.pos_to_string(v.pos, 0):sub(2,-2):gsub("(%-*%d+)", clr("#ff0", " %1"))))
+
+		local del = fmt("waypoint_%u_delete", i)
+		fs(fmt("style[%s;fgimg=%s;fgimg_hovered=%s;content_offset=0]", del, PNG.trash, PNG.trash_hover))
+		fs("image_button", ctn_len - 0.5, yi, icon_size, icon_size, "", del, "")
+		fs(fmt("tooltip[%s;%s]", del, ES"Remove waypoint"))
+
+		local rfs = fmt("waypoint_%u_refresh", i)
+		fs(fmt("style[%s;fgimg=%s;fgimg_hovered=%s;content_offset=0]", rfs, PNG.refresh, PNG.refresh_hover))
+		fs("image_button", ctn_len - 1, yi, icon_size, icon_size, "", rfs, "")
+		fs(fmt("tooltip[%s;%s]", rfs, ES"Change color"))
+
+		local vsb = fmt("waypoint_%u_hide", i)
+		fs(fmt("style[%s;fgimg=%s;content_offset=0]", vsb, v.hide and PNG.nonvisible or PNG.visible))
+		fs("image_button", ctn_len - 1.5, yi, icon_size, icon_size, "", vsb, "")
+		fs(fmt("tooltip[%s;%s]", vsb, v.hide and ES"Show waypoint" or ES"Hide waypoint"))
+
+		if check_privs(player, {teleport = true}) then
+			local tp = fmt("waypoint_%u_teleport", i)
+
+			fs(fmt("style[%s;fgimg=%s;fgimg_hovered=%s;content_offset=0]",
+				tp, PNG.teleport, PNG.teleport_hover))
+
+			fs("image_button", ctn_len - 2, yi, icon_size, icon_size, "", tp, "")
+			fs(fmt("tooltip[%s;%s]", tp, ES"Teleport to waypoint"))
+		end
+	end
+
+	fs("style_type[label;font_size=16]")
+end
+
+local function get_container(fs, data, player, yoffset, ctn_len, award_list, awards_unlocked, award_list_nb)
+	local name = player:get_player_name()
+	add_subtitle(fs, "player_name", 0, ctn_len, 22, true, ESC(name))
+
+	if damage_enabled then
+		local hp = data.hp or player:get_hp() or 20
+		local half = ceil((hp / 2) % 1)
+		local hearts = (hp / 2) + half
+		local heart_size = 0.35
+		local heart_x, heart_h = 0.65, yoffset + 0.75
+
+		for i = 1, 10 do
+			fs("image", heart_x + ((i - 1) * (heart_size + 0.1)), heart_h,
+				heart_size, heart_size, PNG.heart_grey)
+		end
+
+		for i = 1, hearts do
+			fs("image", heart_x + ((i - 1) * (heart_size + 0.1)), heart_h,
+				heart_size, heart_size,
+				(half == 1 and i == floor(hearts)) and PNG.heart_half or PNG.heart)
+		end
+	else
+		yoffset = yoffset - 0.5
+	end
+
+	fs(fmt("list[current_player;craft;%f,%f;3,3;]", 0, yoffset + 1.45))
+	fs("image", 3.47, yoffset + 2.69, 0.85, 0.85, PNG.arrow)
+	fs(fmt("list[current_player;craftpreview;%f,%f;1,1;]", 4.45, yoffset + 2.6),
+	   fmt("list[detached:i3_trash;main;%f,%f;1,1;]", 4.45, yoffset + 3.75))
+	fs("image", 4.45, yoffset + 3.75, 1, 1, PNG.trash)
+
+	local yextra = damage_enabled and 5.5 or 5
+
+	for i, title in ipairs(i3.SUBCAT) do
+		local btn_name = fmt("btn_%s", title)
+
+		fs(fmt("style[btn_%s;fgimg=%s;fgimg_hovered=%s;content_offset=0]", title,
+			data.subcat == i and PNG[fmt("%s_hover", title)] or PNG[title],
+			PNG[fmt("%s_hover", title)]))
+
+		fs("image_button", 0.25 + ((i - 1) * 1.18), yextra - 0.2, 0.5, 0.5, "", btn_name, "")
+		fs(fmt("tooltip[%s;%s]", btn_name, title:gsub("^%l", upper)))
+	end
+
+	fs("box", 0, yextra + 0.45, ctn_len, 0.045, "#bababa50")
+	fs("box", (data.subcat - 1) * 1.18, yextra + 0.45, 1, 0.045, "#f9826c")
+
+	local function not_installed(modname)
+		fs("hypertext", 0, yextra + 0.9, ctn_len, 0.6, "not_installed",
+			fmt("<center><style color=#7bf font=mono>%s</style> not installed</center>", modname))
+	end
+
+	if data.subcat == 1 then
+		fs(fmt("list[detached:%s_backpack;main;0,%f;1,1;]", ESC(name), yextra + 0.7))
+
+		if not data.bag:get_stack("main", 1):is_empty() then
+			fs("hypertext", 1.2, yextra + 0.89, ctn_len - 1.9, 0.8, "bpk",
+				ES("The inventory is extended by @1 slots", i3.BAG_SIZES[data.bag_size] - i3.INV_SIZE))
+		end
+
+	elseif data.subcat == 2 then
+		if i3.modules.armor then
+			fs(fmt("list[detached:%s_armor;armor;0,%f;3,2;]", ESC(name), yextra + 0.7))
+
+			local armor_def = armor.def[name]
+
+			fs("label", 3.65, yextra + 1.55, fmt("%s: %s", ES"Level", armor_def.level))
+			fs("label", 3.65, yextra + 2.05, fmt("%s: %s", ES"Heal", armor_def.heal))
+		else
+			not_installed("3d_armor")
+		end
+
+	elseif data.subcat == 3 then
+		if i3.modules.skins then
+			local _skins = skins.get_skinlist_for_player(name)
+			local skin_name = skins.get_player_skin(player).name
+			local sks, id = {}, 1
+
+			for i, skin in ipairs(_skins) do
+				if skin.name == skin_name then
+					id = i
+				end
+
+				sks[#sks + 1] = skin.name
+			end
+
+			sks = concat(sks, ","):gsub(";", "")
+
+			fs("label", 0, yextra + 0.85, fmt("%s:", ES"Select a skin"))
+			fs(fmt("dropdown[0,%f;4,0.6;skins;%s;%u;true]", yextra + 1.1, sks, id))
+		else
+			not_installed("skinsdb")
+		end
+
+	elseif data.subcat == 4 then
+		if i3.modules.awards then
+			yextra = yextra + 0.7
+			get_award_list(data, fs, ctn_len, yextra, award_list, awards_unlocked, award_list_nb)
+		else
+			not_installed("awards")
+		end
+
+	elseif data.subcat == 5 then
+		get_waypoint_fs(fs, data, player, yextra, ctn_len)
+	end
+end
+
+local function get_inventory_fs(player, data, fs)
+	fs("listcolors[#bababa50;#bababa99]")
+
+	get_inv_slots(data, fs)
+
+	local props = player:get_properties()
+	local name = player:get_player_name()
+
+	local ctn_len, ctn_hgt = 5.7, 6.3
+	local yoffset = 0
+
+	if props.mesh ~= "" then
+		local anim = player:get_local_animation()
+		local armor_skin = i3.modules.armor or i3.modules.skins
+		local t = {}
+
+		for _, v in ipairs(props.textures) do
+			t[#t + 1] = ESC(v):gsub(",", "!")
+		end
+
+		local textures = concat(t, ","):gsub("!", ",")
+
+		--fs("style[player_model;bgcolor=black]")
+		fs("model", 0.2, 0.2, armor_skin and 4 or 3.4, ctn_hgt,
+			"player_model", props.mesh, textures, "0,-150", "false", "false",
+			fmt("%u,%u%s", anim.x, anim.y, data.fs_version >= 5 and ";30" or ""))
+	else
+		local size = 2.5
+		fs("image", 0.7, 0.2, size, size * props.visual_size.y, props.textures[1])
+	end
+
+	local award_list, award_list_nb
+	local awards_unlocked = 0
+	local max_val = damage_enabled and 12 or 7
+
+	if i3.modules.armor and data.subcat == 2 then
+		if data.scrbar_inv >= max_val then
+			data.scrbar_inv = data.scrbar_inv + 10
+		end
+
+		max_val = max_val + 10
+
+	elseif i3.modules.awards and data.subcat == 4 then
+		award_list = awards.get_award_states(name)
+		award_list_nb = #award_list
+
+		for i = 1, award_list_nb do
+			local award = award_list[i]
+
+			if award.unlocked then
+				awards_unlocked = awards_unlocked + 1
+			end
+		end
+
+		max_val = max_val + (award_list_nb * 13)
+
+	elseif data.subcat == 5 then
+		local wp_nb = #data.waypoints
+
+		if wp_nb > 0 then
+			local mul = (wp_nb > 8 and 7) or (wp_nb > 4 and 6) or 5
+			max_val = max_val + 11 + (wp_nb * mul)
+		end
+	end
+
+	fs(fmt([[
+		scrollbaroptions[arrows=hide;thumbsize=%u;max=%u]
+		scrollbar[%f,0.2;0.2,%f;vertical;scrbar_inv;%u]
+		scrollbaroptions[arrows=default;thumbsize=0;max=1000]
+	]],
+	(max_val * 4) / 12, max_val, 9.8, ctn_hgt, data.scrbar_inv))
+
+	fs(fmt("scroll_container[3.9,0.2;%f,%f;scrbar_inv;vertical]", ctn_len, ctn_hgt))
+		get_container(fs, data, player, yoffset, ctn_len, award_list, awards_unlocked, award_list_nb)
+	fs("scroll_container_end[]")
+
+	local btn = {
+		{"trash", ES"Clear inventory"},
+		{"sort_az", ES"Sort items (A-Z)"},
+		{"sort_za", ES"Sort items (Z-A)"},
+		{"compress", ES"Compress items"},
+	}
+
+	for i, v in ipairs(btn) do
+		local btn_name, tooltip = unpack(v)
+
+		fs(fmt("style[%s;fgimg=%s;fgimg_hovered=%s;content_offset=0]",
+			btn_name, PNG[btn_name], PNG[fmt("%s_hover", btn_name)]))
+
+		fs("image_button", i + 3.447 - (i * 0.4), 11.43, 0.35, 0.35, "", btn_name, "")
+		fs(fmt("tooltip[%s;%s]", btn_name, tooltip))
+	end
+
+	if data.confirm_trash then
+		fs("style_type[box;colors=#999,#999,#808080,#808080]")
+
+		for _ = 1, 3 do
+			fs("box", 2.97, 10.75, 4.3, 0.5, "")
+		end
+
+		fs("label", 3.12, 11, "Confirm trash?")
+		fs("image_button", 5.17, 10.75, 1, 0.5, "", "confirm_trash_yes", "Yes")
+		fs("image_button", 6.27, 10.75, 1, 0.5, "", "confirm_trash_no", "No")
+	end
+end
+
+local function get_tooltip(item, info, pos)
+	local tooltip
+
+	if info.groups then
+		sort(info.groups)
+		tooltip = i3.group_names[concat(info.groups, ",")]
+
+		if not tooltip then
+			local groupstr = {}
+
+			for i = 1, #info.groups do
+				insert(groupstr, clr("#ff0", info.groups[i]))
+			end
+
+			groupstr = concat(groupstr, ", ")
+			tooltip = S("Any item belonging to the groups: @1", groupstr)
+		end
+	else
+		tooltip = info.meta_desc or get_desc(item)
+	end
+
+	local function add(str)
+		return fmt("%s\n%s", tooltip, str)
+	end
+
+	if info.cooktime then
+		tooltip = add(S("Cooking time: @1", clr("#ff0", info.cooktime)))
+	end
+
+	if info.burntime then
+		tooltip = add(S("Burning time: @1", clr("#ff0", info.burntime)))
+	end
+
+	if info.replace then
+		for i = 1, #info.replace.items do
+			local rpl = match(info.replace.items[i], "%S+")
+			local desc = clr("#ff0", get_desc(rpl))
+
+			if info.replace.type == "cooking" then
+				tooltip = add(S("Replaced by @1 on smelting", desc))
+			elseif info.replace.type == "fuel" then
+				tooltip = add(S("Replaced by @1 on burning", desc))
+			else
+				tooltip = add(S("Replaced by @1 on crafting", desc))
+			end
+		end
+	end
+
+	if info.repair then
+		tooltip = add(S("Repairable by step of @1", clr("#ff0", i3.toolrepair .. "%")))
+	end
+
+	if info.rarity then
+		local chance = (1 / max(1, info.rarity)) * 100
+		tooltip = add(S("@1 of chance to drop", clr("#ff0", chance .. "%")))
+	end
+
+	if info.tools then
+		local several = #info.tools > 1
+		local names = several and "\n" or ""
+
+		if several then
+			for i = 1, #info.tools do
+				names = fmt("%s\t\t- %s\n", names, clr("#ff0", get_desc(info.tools[i])))
+			end
+
+			tooltip = add(S("Only drop if using one of these tools: @1", sub(names, 1, -2)))
+		else
+			tooltip = add(S("Only drop if using this tool: @1",
+				clr("#ff0", get_desc(info.tools[1]))))
+		end
+	end
+
+	if pos then
+		return fmt("tooltip", pos.x, pos.y, i3.ITEM_BTN_SIZE, i3.ITEM_BTN_SIZE, ESC(tooltip))
+	end
+
+	return fmt("tooltip[%s;%s]", item, ESC(tooltip))
+end
+
+local function get_output_fs(fs, data, rcp, is_recipe, shapeless, right, btn_size, _btn_size)
+	local custom_recipe = i3.craft_types[rcp.type]
+
+	if custom_recipe or shapeless or rcp.type == "cooking" then
+		local icon = custom_recipe and custom_recipe.icon or shapeless and "shapeless" or "furnace"
+
+		if not custom_recipe then
+			icon = fmt("i3_%s.png^\\[resize:16x16", icon)
+		end
+
+		local pos_x = right + btn_size + 0.42
+		local pos_y = data.yoffset + 0.9
+
+		if sub(icon, 1, 10) == "i3_furnace" then
+			fs("animated_image", pos_x, pos_y, 0.5, 0.5, PNG.furnace_anim, 8, 180)
+		else
+			fs("image", pos_x, pos_y, 0.5, 0.5, icon)
+		end
+
+		local tooltip = custom_recipe and custom_recipe.description or
+				shapeless and S"Shapeless" or S"Cooking"
+
+		fs("tooltip", pos_x, pos_y, 0.5, 0.5, ESC(tooltip))
+	end
+
+	local arrow_X = right + 0.2 + (_btn_size or i3.ITEM_BTN_SIZE)
+	local X = arrow_X + 1.2
+	local Y = data.yoffset + 1.4
+
+	fs("image", arrow_X, Y + 0.06, 1, 1, PNG.arrow)
+
+	if rcp.type == "fuel" then
+		fs("animated_image", X + 0.05, Y, i3.ITEM_BTN_SIZE, i3.ITEM_BTN_SIZE, PNG.fire_anim, 8, 180)
+	else
+		local item = ItemStack(rcp.output)
+		local meta = item:get_meta()
+		local name = item:get_name()
+		local count = item:get_count()
+		local bt_s = i3.ITEM_BTN_SIZE * 1.2
+		local _name = fmt("_%s", name)
+		local pos
+
+		if meta:get_string("color") ~= "" or meta:get_string("palette_index") ~= "" then
+			local rcp_usg = is_recipe and "rcp" or "usg"
+
+			fs(fmt("style_type[list;size=%f]", i3.ITEM_BTN_SIZE))
+			fs("listcolors[#bababa50;#bababa99]")
+			fs(fmt("list[detached:i3_output_%s;main;%f,%f;1,1;]", rcp_usg, X + 0.11, Y))
+			fs("button",  X + 0.11, Y, i3.ITEM_BTN_SIZE, i3.ITEM_BTN_SIZE, _name, "")
+
+			local inv = core.get_inventory {
+				type = "detached",
+				name = fmt("i3_output_%s", rcp_usg)
+			}
+
+			inv:set_stack("main", 1, item)
+			pos = {x = X + 0.11, y = Y}
+		else
+			fs("image", X, Y - 0.11, bt_s, bt_s, PNG.slot)
+
+			fs("item_image_button",
+				X + 0.11, Y, i3.ITEM_BTN_SIZE, i3.ITEM_BTN_SIZE,
+				fmt("%s %u", name, count * (is_recipe and data.scrbar_rcp or data.scrbar_usg or 1)),
+				_name, "")
+		end
+
+		local def = reg_items[name]
+		local unknown = not def or nil
+		local desc = def and def.description
+		local weird = name ~= "" and desc and weird_desc(desc) or nil
+		local burntime = i3.fuel_cache[name] and i3.fuel_cache[name].burntime
+
+		local short_desc = meta:get_string("short_description")
+		local long_desc  = meta:get_string("description")
+		local meta_desc  = (short_desc ~= "" and short_desc) or (long_desc ~= "" and long_desc)
+
+		local infos = {
+			unknown   = unknown,
+			weird     = weird,
+			burntime  = burntime,
+			repair    = repairable(name),
+			rarity    = rcp.rarity,
+			tools     = rcp.tools,
+			meta_desc = meta_desc,
+		}
+
+		if next(infos) then
+			fs(get_tooltip(_name, infos, pos))
+		end
+	end
+end
+
+local function get_grid_fs(fs, data, rcp, is_recipe)
+	local width = rcp.width or 1
+	local right, btn_size, _btn_size = 0, i3.ITEM_BTN_SIZE
+	local cooktime, shapeless
+
+	if rcp.type == "cooking" then
+		cooktime, width = width, 1
+	elseif width == 0 and not rcp.custom then
+		shapeless = true
+		local n = #rcp.items
+		width = (n < 5 and n > 1) and 2 or min(3, max(1, n))
+	end
+
+	local rows = ceil(maxn(rcp.items) / width)
+	local large_recipe = width > 3 or rows > 3
+
+	if large_recipe then
+		fs("style_type[item_image_button;border=true]")
+	end
+
+	for i = 1, width * rows do
+		local item  = rcp.items[i] or ""
+		      item  = ItemStack(item)
+		local meta  = item:get_meta()
+		local name  = item:get_name()
+		local count = item:get_count()
+		local X, Y
+
+		if large_recipe then
+			local a, b = 3, 3
+			local add_x, add_y = 0, 0
+
+			if width < 3 then
+				a, b = width * 2, 1
+				add_x = 2
+			elseif rows < 3 then
+				a, b = 1, rows * 2
+				add_y = 1.4
+			end
+
+			btn_size = (a / width) * (b / rows) + 0.3
+			_btn_size = btn_size
+
+			local xi = (i - 1) % width
+			local yi = floor((i - 1) / width)
+
+			X = btn_size * xi + data.inv_width + 0.3 + (xi * 0.05) + add_x
+			Y = btn_size * yi + data.yoffset + 0.2 + (yi * 0.05) + add_y
+		else
+			X = ceil((i - 1) % width - width)
+			X = X + (X * 0.2) + data.inv_width + 3.9
+
+			Y = ceil(i / width) - min(2, rows)
+			Y = Y + (Y * 0.15) + data.yoffset + 1.4
+		end
+
+		if X > right then
+			right = X
+		end
+
+		local groups
+
+		if is_group(name) then
+			groups = extract_groups(name)
+			name = groups_to_items(groups)
+		end
+
+		local label = groups and "\nG" or ""
+		local replace
+
+		for j = 1, #(rcp.replacements or {}) do
+			local replacement = rcp.replacements[j]
+			if replacement[1] == name then
+				replace = replace or {type = rcp.type, items = {}}
+
+				local added
+
+				for _, v in ipairs(replace.items) do
+					if replacement[2] == v then
+						added = true
+						break
+					end
+				end
+
+				if not added then
+					label = fmt("%s%s\nR", label ~= "" and "\n" or "", label)
+					replace.items[#replace.items + 1] = replacement[2]
+				end
+			end
+		end
+
+		if not large_recipe then
+			fs("image", X, Y, btn_size, btn_size, PNG.slot)
+		end
+
+		local btn_name = groups and fmt("group|%s|%s", groups[1], name) or name
+
+		fs("item_image_button", X, Y, btn_size, btn_size,
+			fmt("%s %u", name, count * (is_recipe and data.scrbar_rcp or data.scrbar_usg or 1)),
+			btn_name, label)
+
+		local def = reg_items[name]
+		local unknown = not def or nil
+		      unknown = not groups and unknown or nil
+		local desc = def and def.description
+		local weird = name ~= "" and desc and weird_desc(desc) or nil
+		local burntime = i3.fuel_cache[name] and i3.fuel_cache[name].burntime
+
+		local short_desc = meta:get_string("short_description")
+		local long_desc  = meta:get_string("description")
+		local meta_desc  = (short_desc ~= "" and short_desc) or (long_desc ~= "" and long_desc) or nil
+
+		local infos = {
+			unknown   = unknown,
+			weird     = weird,
+			groups    = groups,
+			burntime  = burntime,
+			cooktime  = cooktime,
+			replace   = replace,
+			meta_desc = meta_desc,
+		}
+
+		if next(infos) then
+			fs(get_tooltip(btn_name, infos))
+		end
+	end
+
+	if large_recipe then
+		fs("style_type[item_image_button;border=false]")
+	end
+
+	get_output_fs(fs, data, rcp, is_recipe, shapeless, right, btn_size, _btn_size)
+end
+
+local function get_rcp_lbl(fs, data, panel, rn, is_recipe)
+	local rcp = is_recipe and panel.rcp[data.rnum] or panel.rcp[data.unum]
+
+	if rcp.custom then
+		fs("hypertext", data.inv_width + 4.8, data.yoffset + 0.12, 3, 0.6, "custom_rcp",
+			fmt("<global size=16><right><i>%s</i></right>", ES"Custom recipe"))
+	end
+
+	local lbl = ES("Usage @1 of @2", data.unum, rn)
+
+	if is_recipe then
+		lbl = ES("Recipe @1 of @2", data.rnum, rn)
+	end
+
+	local one = rn == 1
+	local y = data.yoffset + 3.3
+
+	fs("hypertext", data.inv_width + (one and 4.7 or 3.95), y, 3, 0.6, "rcp_num",
+		fmt("<global size=16><right>%s</right>", lbl))
+
+	if not one then
+		local btn_suffix = is_recipe and "recipe" or "usage"
+		local prev_name = fmt("prev_%s", btn_suffix)
+		local next_name = fmt("next_%s", btn_suffix)
+		local size = 0.3
+
+		fs("image_button", data.inv_width + 7.05, y, size, size, "", prev_name, "")
+		fs("image_button", data.inv_width + 7.5,  y, size, size, "", next_name, "")
+	end
+
+	get_grid_fs(fs, data, rcp, is_recipe)
+end
+
+local function get_model_fs(fs, data, def, model_alias)
+	if model_alias then
+		if model_alias.drawtype == "entity" then
+			def = reg_entities[model_alias.name]
+			local init_props = def.initial_properties
+			def.textures = init_props and init_props.textures or def.textures
+			def.mesh = init_props and init_props.mesh or def.mesh
+		else
+			def = reg_items[model_alias.name]
+		end
+	end
+
+	local tiles = def.tiles or def.textures or {}
+	local t = {}
+
+	for _, v in ipairs(tiles) do
+		local _name
+
+		if v.color then
+			if is_num(v.color) then
+				local hex = fmt("%02x", v.color)
+
+				while #hex < 8 do
+					hex = "0" .. hex
+				end
+
+				_name = fmt("%s^[multiply:%s", v.name,
+					fmt("#%s%s", sub(hex, 3), sub(hex, 1, 2)))
+			else
+				_name = fmt("%s^[multiply:%s", v.name, v.color)
+			end
+		elseif v.animation then
+			_name = fmt("%s^[verticalframe:%u:0", v.name, v.animation.frames_h or v.animation.aspect_h)
+		end
+
+		t[#t + 1] = _name or v.name or v
+	end
+
+	while #t < 6 do
+		t[#t + 1] = t[#t]
+	end
+
+	fs("model", data.inv_width + 6.6, data.yoffset + 0.05, 1.3, 1.3, "preview",
+		def.mesh, concat(t, ","), "0,0", "true", "true",
+		model_alias and model_alias.frames or "")
+end
+
+local function get_header(fs, data)
+	local fav = is_fav(data.favs, data.query_item)
+	local nfavs = #data.favs
+	local star_x, star_y, size = data.inv_width + 0.3, data.yoffset + 0.2, 0.4
+
+	if nfavs < i3.MAX_FAVS or (nfavs == i3.MAX_FAVS and fav) then
+		local fav_marked = fmt("i3_fav%s.png", fav and "_off" or "")
+
+		fs(fmt("style[fav;fgimg=%s;fgimg_hovered=%s;fgimg_pressed=%s]",
+			fmt("i3_fav%s.png", fav and "" or "_off"), fav_marked, fav_marked))
+		fs("image_button", star_x, star_y, size, size, "", "fav", "")
+		fs(fmt("tooltip[fav;%s]", fav and ES"Unmark this item" or ES"Mark this item"))
+	else
+		fs(fmt("style[nofav;fgimg=%s;fgimg_hovered=%s;fgimg_pressed=%s]",
+			"i3_fav_off.png", PNG.cancel, PNG.cancel))
+		fs("image_button", star_x, star_y, size, size, "", "nofav", "")
+		fs(fmt("tooltip[nofav;%s]", ES"Cannot mark this item. Bookmark limit reached."))
+	end
+
+	fs("image_button", star_x + 0.05, star_y + 0.6, size, size, "", "exit", "")
+	fs(fmt("tooltip[exit;%s]", ES"Back to item list"))
+
+	local desc_lim, name_lim = 34, 35
+	local desc = translate(data.lang_code, get_desc(data.query_item))
+	      desc = ESC(desc)
+	local tech_name = data.query_item
+	local X = data.inv_width + 0.95
+	local Y1 = data.yoffset + 0.47
+	local Y2 = Y1 + 0.5
+
+	if #desc > desc_lim then
+		fs("tooltip", X, Y1 - 0.1, 5.7, 0.24, desc)
+		desc = snip(desc, desc_lim)
+	end
+
+	if #tech_name > name_lim then
+		fs("tooltip", X, Y2 - 0.1, 5.7, 0.24, tech_name)
+		tech_name = snip(tech_name, name_lim)
+	end
+
+	fs("style_type[label;font=bold;font_size=20]")
+	fs("label", X, Y1, desc)
+	fs("style_type[label;font=mono;font_size=16]")
+	fs("label", X, Y2, clr("#7bf", tech_name))
+	fs("style_type[label;font=normal;font_size=16]")
+
+	local def = reg_items[data.query_item]
+	local model_alias = model_aliases[data.query_item]
+
+	if def.drawtype == "mesh" or model_alias then
+		get_model_fs(fs, data, def, model_alias)
+	else
+		fs("item_image", data.inv_width + 6.8, data.yoffset + 0.17, 1.1, 1.1, data.query_item)
+	end
+end
+
+local function get_export_fs(fs, data, is_recipe, is_usage, max_stacks_rcp, max_stacks_usg)
+	local name = is_recipe and "rcp" or "usg"
+	local show_export = (is_recipe and data.export_rcp) or (is_usage and data.export_usg)
+
+	fs(fmt("style[export_%s;fgimg=%s;fgimg_hovered=%s]",
+		name, fmt("%s", show_export and PNG.export_hover or PNG.export), PNG.export_hover))
+	fs("image_button", data.inv_width + 7.35, data.yoffset + 0.2, 0.45, 0.45, "", fmt("export_%s", name), "")
+	fs(fmt("tooltip[export_%s;%s]", name, ES"Quick crafting"))
+
+	if not show_export then return end
+
+	local craft_max = is_recipe and max_stacks_rcp or max_stacks_usg
+	local stack_fs = (is_recipe and data.scrbar_rcp) or (is_usage and data.scrbar_usg) or 1
+
+	if stack_fs > craft_max then
+		stack_fs = craft_max
+
+		if is_recipe then
+			data.scrbar_rcp = craft_max
+		elseif is_usage then
+			data.scrbar_usg = craft_max
+		end
+	end
+
+	fs(fmt("style[scrbar_%s;noclip=true]", name),
+	   fmt("scrollbaroptions[min=1;max=%u;smallstep=1]", craft_max))
+	fs("scrollbar", data.inv_width + 8.1, data.yoffset, 3, 0.35, "horizontal", fmt("scrbar_%s", name), stack_fs)
+	fs("button", data.inv_width + 8.1, data.yoffset + 0.4, 3, 0.7, fmt("craft_%s", name),
+		ES("Craft (×@1)", stack_fs))
+end
+
+local function get_rcp_extra(player, fs, data, panel, is_recipe, is_usage)
+	fs("container[0,0.075]")
+	local rn = panel.rcp and #panel.rcp
+
+	if rn then
+		local rcp_ok = is_recipe and panel.rcp[data.rnum].type == "normal"
+		local usg_ok = is_usage and panel.rcp[data.unum].type == "normal"
+		local max_stacks_rcp, max_stacks_usg = 0, 0
+		local inv = player:get_inventory()
+
+		if rcp_ok then
+			max_stacks_rcp = get_stack_max(inv, data, is_recipe, panel.rcp[data.rnum])
+		end
+
+		if usg_ok then
+			max_stacks_usg = get_stack_max(inv, data, is_recipe, panel.rcp[data.unum])
+		end
+
+		if is_recipe and max_stacks_rcp == 0 then
+			data.export_rcp = nil
+			data.scrbar_rcp = 1
+		elseif is_usage and max_stacks_usg == 0 then
+			data.export_usg = nil
+			data.scrbar_usg = 1
+		end
+
+		if max_stacks_rcp > 0 or max_stacks_usg > 0 then
+			get_export_fs(fs, data, is_recipe, is_usage, max_stacks_rcp, max_stacks_usg)
+		end
+
+		get_rcp_lbl(fs, data, panel, rn, is_recipe)
+	else
+		local lbl = is_recipe and ES"No recipes" or ES"No usages"
+		fs("button", data.inv_width + 0.1, data.yoffset + (panel.height / 2) - 0.5,
+			7.8, 1, "no_rcp", lbl)
+	end
+
+	fs("container_end[]")
+end
+
+local function get_items_fs(fs, data, full_height)
+	if compression_active(data) then
+		local new = {}
+
+		for i = 1, #data.items do
+			local item = data.items[i]
+			if not i3.compressed[item] then
+				new[#new + 1] = item
+			end
+		end
+
+		data.items = new
+	end
+
+	local items = data.alt_items or data.items or {}
+	local rows, lines = 8, 12
+	local ipp = rows * lines
+	local size = 0.85
+
+	fs(fmt("box[%f,0.2;4.05,0.6;#bababa25]", data.inv_width + 0.3),
+	   "set_focus[filter]",
+	   fmt("field[%f,0.2;2.95,0.6;filter;;%s]", data.inv_width + 0.35, ESC(data.filter)),
+	   "field_close_on_enter[filter;false]")
+
+	fs("image_button", data.inv_width + 3.35, 0.35, 0.3,  0.3,  "", "cancel", "")
+	fs("image_button", data.inv_width + 3.85, 0.32, 0.35, 0.35, "", "search", "")
+	fs("image_button", data.inv_width + 5.27, 0.3,  0.35, 0.35, "", "prev_page", "")
+	fs("image_button", data.inv_width + 7.45, 0.3,  0.35, 0.35, "", "next_page", "")
+
+	data.pagemax = max(1, ceil(#items / ipp))
+
+	fs("button", data.inv_width + 5.6, 0.14, 1.88, 0.7, "pagenum",
+		fmt("%s / %u", clr("#ff0", data.pagenum), data.pagemax))
+
+	if #items == 0 then
+		local lbl = ES"No item to show"
+
+		if next(i3.recipe_filters) and #i3.init_items > 0 and data.filter == "" then
+			lbl = ES"Collect items to reveal more recipes"
+		end
+
+		fs("button", data.inv_width + 0.1, 3, 8, 1, "no_item", lbl)
+	else
+		local first_item = (data.pagenum - 1) * ipp
+
+		for i = first_item, first_item + ipp - 1 do
+			local item = items[i + 1]
+			if not item then break end
+
+			local _compressed = item:sub(1, 1) == "_"
+			local name = _compressed and item:sub(2) or item
+
+			local X = i % rows
+			      X = X - (X * 0.045) + data.inv_width + 0.28
+
+			local Y = round((i % ipp - X) / rows + 1, 0)
+			      Y = Y - (Y * 0.085) + 0.95
+
+			fs[#fs + 1] = fmt("item_image_button", X, Y, size, size, name, item, "")
+
+			if compressible(item, data) then
+				local expand = data.expand == name
+
+				fs(fmt("tooltip[%s;%s]", item, expand and ES"Click to hide" or ES"Click to expand"))
+				fs("style_type[label;font=bold;font_size=20]")
+				fs("label", X + 0.65, Y + 0.7, expand and "-" or "+")
+				fs("style_type[label;font=normal;font_size=16]")
+			end
+		end
+	end
+
+	local _tabs = {"All", "Nodes", "Items"}
+	local tab_len, tab_hgh = 1.8, 0.5
+
+	for i, title in ipairs(_tabs) do
+		local selected = i == data.current_itab
+
+		fs(fmt([[style_type[image_button;fgimg=%s;fgimg_hovered=%s;noclip=true;
+			font_size=16;textcolor=%s;content_offset=0;sound=i3_tab] ]],
+		selected and PNG.tab_small_hover or PNG.tab_small,
+		PNG.tab_small_hover, selected and "#fff" or "#ddd"))
+
+		fs("style_type[image_button:hovered;textcolor=#fff]")
+		fs("image_button", (data.inv_width - 0.65) + (i * (tab_len + 0.1)),
+			full_height, tab_len, tab_hgh, "", fmt("itab_%u", i), title)
+	end
+end
+
+local function get_favs(fs, data)
+	fs("label", data.inv_width + 0.4, data.yoffset + 0.4, ES"Bookmarks")
+
+	for i = 1, #data.favs do
+		local item = data.favs[i]
+		local X = data.inv_width - 0.7 + (i * 1.2)
+		local Y = data.yoffset + 0.8
+
+		if data.query_item == item then
+			fs("image", X, Y, i3.ITEM_BTN_SIZE, i3.ITEM_BTN_SIZE, PNG.slot)
+		end
+
+		fs("item_image_button", X, Y, i3.ITEM_BTN_SIZE, i3.ITEM_BTN_SIZE, item, item, "")
+	end
+end
+
+local function get_panels(player, data, fs, full_height)
+	local _title   = {name = "title", height = 1.4}
+	local _favs    = {name = "favs",  height = 2.23}
+	local _items   = {name = "items", height = full_height}
+	local _recipes = {name = "recipes", rcp = data.recipes, height = 4.045}
+	local _usages  = {name = "usages",  rcp = data.usages,  height = 4.045}
+	local panels
+
+	if data.query_item then
+		panels = {_title, _recipes, _usages, _favs}
+	else
+		panels = {_items}
+	end
+
+	for idx = 1, #panels do
+		local panel = panels[idx]
+		data.yoffset = 0
+
+		if idx > 1 then
+			for _idx = idx - 1, 1, -1 do
+				data.yoffset = data.yoffset + panels[_idx].height + 0.1
+			end
+		end
+
+		fs("bg9", data.inv_width + 0.1, data.yoffset, 7.9, panel.height, PNG.bg_full, 10)
+
+		local is_recipe, is_usage = panel.name == "recipes", panel.name == "usages"
+
+		if is_recipe or is_usage then
+			get_rcp_extra(player, fs, data, panel, is_recipe, is_usage)
+		elseif panel.name == "items" then
+			get_items_fs(fs, data, full_height)
+		elseif panel.name == "title" then
+			get_header(fs, data)
+		elseif panel.name == "favs" then
+			get_favs(fs, data)
+		end
+	end
+end
+
+local function get_tabs_fs(player, data, fs, full_height)
+	local tab_len, tab_hgh, c, over = 3, 0.5, 0
+	local _tabs = copy(i3.tabs)
+
+	for i, def in ipairs(i3.tabs) do
+		if def.access and not def.access(player, data) then
+			remove(_tabs, i)
+		end
+	end
+
+	local shift = min(3, #_tabs)
+
+	for i, def in ipairs(_tabs) do
+		if not over and c > 2 then
+			over = true
+			c = 0
+		end
+
+		local btm = i <= 3
+
+		if not btm then
+			shift = #_tabs - 3
+		end
+
+		local selected = i == data.current_tab
+
+		fs(fmt([[style_type[image_button;fgimg=%s;fgimg_hovered=%s;noclip=true;
+			font_size=16;textcolor=%s;content_offset=0;sound=i3_tab] ]],
+		selected and (btm and PNG.tab_hover or PNG.tab_hover_top) or (btm and PNG.tab or PNG.tab_top),
+		btm and PNG.tab_hover or PNG.tab_hover_top, selected and "#fff" or "#ddd"))
+
+		local X = (data.inv_width / 2) + (c * (tab_len + 0.1)) - ((tab_len + 0.05) * (shift / 2))
+		local Y = btm and full_height or -tab_hgh
+
+		fs("style_type[image_button:hovered;textcolor=#fff]")
+		fs("image_button", X, Y, tab_len, tab_hgh, "", fmt("tab_%s", def.name), ESC(def.description))
+
+		if def.image and def.image ~= "" then
+			local desc = translate(data.lang_code, def.description)
+
+			fs("style_type[image;noclip=true]")
+			fs("image", X + (tab_len / 2) - ((#desc * 0.1) / 2) - 0.55,
+				Y + 0.05, 0.35, 0.35, fmt("%s^\\[resize:16x16", def.image))
+		end
+
+		c = c + 1
+	end
+end
+
+local function get_debug_grid(data, fs, full_height)
+	fs("style_type[label;font_size=8;noclip=true]")
+	local spacing, i = 0.2, 1
+
+	for x = 0, data.inv_width + 8, spacing do
+		fs("box", x, 0, 0.01, full_height, "#ff0")
+		fs("label", x, full_height + 0.1, tostring(i))
+		i = i + 1
+	end
+
+	i = 61
+
+	for y = 0, full_height, spacing do
+		fs("box", 0, y, data.inv_width + 8, 0.01, "#ff0")
+		fs("label", -0.15, y, tostring(i))
+		i = i - 1
+	end
+
+	fs("box", data.inv_width / 2, 0, 0.01, full_height, "#f00")
+	fs("box", 0, full_height / 2, data.inv_width, 0.01, "#f00")
+	fs("style_type[label;font_size=16]")
+end
+
+local function make_fs(player, data)
+	--local start = os.clock()
+
+	local fs = setmetatable({}, {
+		__call = function(t, ...)
+			local args = {...}
+			local elem = fs_elements[args[1]]
+
+			if elem then
+				t[#t + 1] = fmt(elem, select(2, ...))
+			else
+				t[#t + 1] = concat(args)
+			end
+		end
+	})
+
+	data.inv_width = 10.23
+	local full_height = 12
+
+	local tab = i3.tabs[data.current_tab]
+
+	fs(fmt("formspec_version[%u]size[%f,%f]no_prepend[]bgcolor[#0000]",
+		i3.MIN_FORMSPEC_VERSION, data.inv_width + 8, full_height), styles)
+
+	fs("bg9", 0, 0, data.inv_width, full_height, PNG.bg_full, 10)
+
+	if tab then
+		tab.formspec(player, data, fs)
+	end
+
+	get_panels(player, data, fs, full_height)
+
+	if #i3.tabs > 1 then
+		get_tabs_fs(player, data, fs, full_height)
+	end
+
+	--get_debug_grid(data, fs, full_height)
+	--print("make_fs()", fmt("%.2f ms", (os.clock() - start) * 1000))
+
+	return concat(fs)
+end
+
+return make_fs, get_inventory_fs
diff --git a/etc/progressive.lua b/etc/progressive.lua
new file mode 100644
index 0000000..8bcdec8
--- /dev/null
+++ b/etc/progressive.lua
@@ -0,0 +1,301 @@
+local POLL_FREQ = 0.25
+local HUD_TIMER_MAX = 1.5
+
+local set_fs = i3.set_fs
+local modpath = core.get_modpath "i3"
+local search, table_merge, is_group, extract_groups, item_has_groups, apply_recipe_filters =
+	unpack(dofile(modpath .. "/etc/common.lua").progressive)
+
+local singleplayer = core.is_singleplayer()
+local fmt, after = string.format, core.after
+
+local function array_diff(t1, t2)
+	local hash = {}
+
+	for i = 1, #t1 do
+		local v = t1[i]
+		hash[v] = true
+	end
+
+	for i = 1, #t2 do
+		local v = t2[i]
+		hash[v] = nil
+	end
+
+	local diff, c = {}, 0
+
+	for i = 1, #t1 do
+		local v = t1[i]
+		if hash[v] then
+			c = c + 1
+			diff[c] = v
+		end
+	end
+
+	return diff
+end
+
+local function get_filtered_items(player, data)
+	local items, known, c = {}, 0, 0
+
+	for i = 1, #i3.init_items do
+		local item = i3.init_items[i]
+		local recipes = i3.recipes_cache[item]
+		local usages = i3.usages_cache[item]
+
+		recipes = #apply_recipe_filters(recipes or {}, player)
+		usages = #apply_recipe_filters(usages or {}, player)
+
+		if recipes > 0 or usages > 0 then
+			c = c + 1
+			items[c] = item
+
+			if data then
+				known = known + recipes + usages
+			end
+		end
+	end
+
+	if data then
+		data.known_recipes = known
+	end
+
+	return items
+end
+
+local function item_in_inv(item, inv_items)
+	local inv_items_size = #inv_items
+
+	if is_group(item) then
+		local groups = extract_groups(item)
+
+		for i = 1, inv_items_size do
+			local def = core.registered_items[inv_items[i]]
+
+			if def then
+				if item_has_groups(def.groups, groups) then
+					return true
+				end
+			end
+		end
+	else
+		for i = 1, inv_items_size do
+			if inv_items[i] == item then
+				return true
+			end
+		end
+	end
+end
+
+local function recipe_in_inv(rcp, inv_items)
+	for _, item in pairs(rcp.items) do
+		if not item_in_inv(item, inv_items) then return end
+	end
+
+	return true
+end
+
+local function progressive_filter(recipes, player)
+	if not recipes then
+		return {}
+	end
+
+	local name = player:get_player_name()
+	local data = i3.data[name]
+
+	if #data.inv_items == 0 then
+		return {}
+	end
+
+	local filtered, c = {}, 0
+
+	for i = 1, #recipes do
+		local recipe = recipes[i]
+		if recipe_in_inv(recipe, data.inv_items) then
+			c = c + 1
+			filtered[c] = recipe
+		end
+	end
+
+	return filtered
+end
+
+local item_lists = {"main", "craft", "craftpreview"}
+
+local function get_inv_items(player)
+	local inv = player:get_inventory()
+	local stacks = {}
+
+	for i = 1, #item_lists do
+		local list = inv:get_list(item_lists[i])
+		table_merge(stacks, list)
+	end
+
+	local inv_items, c = {}, 0
+
+	for i = 1, #stacks do
+		local stack = stacks[i]
+
+		if not stack:is_empty() then
+			local name = stack:get_name()
+			if core.registered_items[name] then
+				c = c + 1
+				inv_items[c] = name
+			end
+		end
+	end
+
+	return inv_items
+end
+
+local function init_hud(player, data)
+	data.hud = {
+		bg = player:hud_add {
+			hud_elem_type = "image",
+			position      = {x = 0.78, y = 1},
+			alignment     = {x = 1,    y = 1},
+			scale         = {x = 370,  y = 112},
+			text          = "i3_bg.png",
+			z_index       = 0xDEAD,
+		},
+
+		book = player:hud_add {
+			hud_elem_type = "image",
+			position      = {x = 0.79, y = 1.02},
+			alignment     = {x = 1,    y = 1},
+			scale         = {x = 4,    y = 4},
+			text          = "i3_book.png",
+			z_index       = 0xDEAD,
+		},
+
+		text = player:hud_add {
+			hud_elem_type = "text",
+			position      = {x = 0.84, y = 1.04},
+			alignment     = {x = 1,    y = 1},
+			number        = 0xffffff,
+			text          = "",
+			z_index       = 0xDEAD,
+			style         = 1,
+		},
+	}
+end
+
+local function show_hud_success(player, data)
+	-- It'd better to have an engine function `hud_move` to only need
+	-- 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) + dt
+	end
+
+	if data.show_hud 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 - (dt / 5)
+			})
+		end
+
+		player:hud_change(data.hud.text, "text",
+			fmt("%u new recipe%s unlocked!",
+				data.discovered, data.discovered > 1 and "s" or ""))
+
+	elseif data.show_hud == false 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 + (dt / 5)
+				})
+			end
+
+			if hud_info_bg.position.y >= 1 then
+				data.show_hud = nil
+				data.hud_timer = nil
+			end
+		end
+	end
+end
+
+-- Workaround. Need an engine call to detect when the contents of
+-- the player inventory changed, instead.
+local function poll_new_items()
+	local players = core.get_connected_players()
+
+	for i = 1, #players do
+		local player = players[i]
+		local name = player:get_player_name()
+		local data = i3.data[name]
+		if not data then return end
+
+		local inv_items = get_inv_items(player)
+		local diff = array_diff(inv_items, data.inv_items)
+
+		if #diff > 0 then
+			data.inv_items = table_merge(diff, data.inv_items)
+			local oldknown = data.known_recipes or 0
+			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
+
+			data.items_raw = items
+			data.current_itab = 1
+
+			search(data)
+			set_fs(player)
+		end
+	end
+
+	after(POLL_FREQ, poll_new_items)
+end
+
+poll_new_items()
+
+if singleplayer then
+	core.register_globalstep(function()
+		local name = "singleplayer"
+		local player = core.get_player_by_name(name)
+		local data = i3.data[name]
+
+		if data and data.show_hud ~= nil then
+			show_hud_success(player, data)
+		end
+	end)
+end
+
+i3.add_recipe_filter("Default progressive filter", progressive_filter)
+
+core.register_on_joinplayer(function(player)
+	local name = player:get_player_name()
+	local data = i3.data[name]
+	if not data then return end
+
+	data.inv_items = data.inv_items or {}
+	data.known_recipes = data.known_recipes or 0
+
+	local oldknown = data.known_recipes
+	local items = get_filtered_items(player, data)
+	data.discovered = data.known_recipes - oldknown
+
+	data.items_raw = items
+	search(data)
+
+	if singleplayer then
+		init_hud(player, data)
+
+		if data.show_hud == nil and data.discovered > 0 then
+			data.show_hud = true
+		end
+	end
+end)
diff --git a/init.lua b/init.lua
index 2c6a634..ce0f6d9 100644
--- a/init.lua
+++ b/init.lua
@@ -1,145 +1,100 @@
-i3 = {}
+i3 = {
+	modules = {},
+
+	MAX_FAVS = 6,
+	INV_SIZE = 4*9,
+	HOTBAR_LEN = 9,
+	ITEM_BTN_SIZE = 1.1,
+	MIN_FORMSPEC_VERSION = 4,
+	SAVE_INTERVAL = 600, -- Player data save interval (in seconds)
+
+	BAG_SIZES = {
+		4*9 + 3,
+		4*9 + 6,
+		4*9 + 9,
+	},
+
+	SUBCAT = {
+		"bag",
+		"armor",
+		"skins",
+		"awards",
+		"waypoints",
+	},
+
+	META_SAVES = {
+		bag_item = true,
+		bag_size = true,
+		waypoints = true,
+		inv_items = true,
+		known_recipes = true,
+	},
+
+	-- Caches
+	init_items     = {},
+	recipes_cache  = {},
+	usages_cache   = {},
+	fuel_cache     = {},
+	recipe_filters = {},
+	search_filters = {},
+	craft_types    = {},
+	tabs           = {},
+}
 
 local modpath = core.get_modpath "i3"
+local http = core.request_http_api()
 local storage = core.get_mod_storage()
-local slz, dslz = core.serialize, core.deserialize
-local pdata = dslz(storage:get_string "pdata") or {}
 
--- Caches
-local init_items    = {}
-local recipes_cache = {}
-local usages_cache  = {}
-local fuel_cache    = {}
-local replacements  = {fuel = {}}
-local toolrepair
+i3.S = core.get_translator "i3"
+local S, slz, dslz = i3.S, core.serialize, core.deserialize
 
-local tabs = {}
+i3.data = dslz(storage:get_string "data") or {}
+i3.compress_groups, i3.compressed = loadfile(modpath .. "/etc/compress.lua")()
+i3.group_stereotypes, i3.group_names = loadfile(modpath .. "/etc/groups.lua")()
 
-local model_aliases = loadfile(modpath .. "/etc/model_aliases.lua")()
-local PNG, styles, fs_elements = loadfile(modpath .. "/etc/styles.lua")()
-local compress_groups, compressed = loadfile(modpath .. "/etc/compress.lua")()
-local group_stereotypes, group_names = loadfile(modpath .. "/etc/groups.lua")()
+local is_str, show_item, reset_compression = unpack(dofile(modpath .. "/etc/common.lua").init)
+local groups_to_items, _, compressible, true_str, is_fav = unpack(dofile(modpath .. "/etc/common.lua").gui)
+
+local search, table_merge, is_group, extract_groups, item_has_groups, apply_recipe_filters =
+	unpack(dofile(modpath .. "/etc/common.lua").progressive)
+
+local make_fs, get_inventory_fs = dofile(modpath .. "/etc/gui.lua")
 
 local progressive_mode = core.settings:get_bool "i3_progressive_mode"
-local item_compression = core.settings:get_bool("i3_item_compression", true)
-local damage_enabled = core.settings:get_bool "enable_damage"
-
-local __3darmor, __skinsdb, __awards
-
-local http = core.request_http_api()
-local singleplayer = core.is_singleplayer()
-
-local after = core.after
-local clr = core.colorize
 
 local reg_items = core.registered_items
 local reg_nodes = core.registered_nodes
 local reg_craftitems = core.registered_craftitems
 local reg_tools = core.registered_tools
-local reg_entities = core.registered_entities
 local reg_aliases = core.registered_aliases
 
+local replacements = {fuel = {}}
 local check_privs = core.check_player_privs
-local translate = core.get_translated_string
+local after, clr = core.after, core.colorize
 local create_inventory = core.create_detached_inventory
 
-local ESC = core.formspec_escape
-local S = core.get_translator "i3"
-
-local ES = function(...)
-	return ESC(S(...))
-end
-
 local maxn, sort, concat, copy, insert, remove, indexof =
 	table.maxn, table.sort, table.concat, table.copy,
 	table.insert, table.remove, table.indexof
 
-local sprintf, find, gmatch, match, sub, split, upper, lower =
+local fmt, find, gmatch, match, sub, split, upper, lower =
 	string.format, string.find, string.gmatch, string.match,
 	string.sub, string.split, string.upper, string.lower
 
-local min, max, floor, ceil, random =
-	math.min, math.max, math.floor, math.ceil, math.random
+local min, ceil, random = math.min, math.ceil, math.random
 
-local pairs, ipairs, next, type, setmetatable, tonum, unpack, select =
-	pairs, ipairs, next, type, setmetatable, tonumber, unpack, select
+local pairs, ipairs, next, type, tonum =
+	pairs, ipairs, next, type, tonumber
 
 local vec_new, vec_add, vec_mul, vec_eq, vec_round =
 	vector.new, vector.add, vector.multiply, vector.equals, vector.round
 
-local MAX_FAVS = 6
-local ITEM_BTN_SIZE = 1.1
-
-local INV_SIZE = 36
-local HOTBAR_COUNT = 9
-
--- Players data interval
-local SAVE_INTERVAL = 600
-
--- Progressive mode
-local POLL_FREQ = 0.25
-local HUD_TIMER_MAX = 1.5
-
-local MIN_FORMSPEC_VERSION = 4
-
-local BAG_SIZES = {
-	INV_SIZE + 3,
-	INV_SIZE + 6,
-	INV_SIZE + 9,
-}
-
-local SUBCAT = {
-	"bag",
-	"armor",
-	"skins",
-	"awards",
-	"waypoints",
-}
-
-local function get_lang_code(info)
-	return info and info.lang_code
-end
-
-local function get_formspec_version(info)
-	return info and info.formspec_version or 1
-end
-
-local function outdated(name)
-	local fs = sprintf("size[6.3,1.3]image[0,0;1,1;%s]label[1,0;%s]button_exit[2.6,0.8;1,1;;OK]",
-		PNG.book,
-		"Your Minetest client is outdated.\nGet the latest version on minetest.net to play the game.")
-
-	core.show_formspec(name, "i3_outdated", fs)
-end
-
-local old_is_creative_enabled = core.is_creative_enabled
-
-function core.is_creative_enabled(name)
-	if name == "" then
-		return old_is_creative_enabled(name)
-	end
-
-	return check_privs(name, {creative = true}) or old_is_creative_enabled(name)
-end
-
 local function err(str)
 	return core.log("error", str)
 end
 
 local function msg(name, str)
-	return core.chat_send_player(name, sprintf("[i3] %s", str))
-end
-
-local function is_num(x)
-	return type(x) == "number"
-end
-
-local function is_str(x)
-	return type(x) == "string"
-end
-
-local function true_str(str)
-	return is_str(str) and str ~= ""
+	return core.chat_send_player(name, fmt("[i3] %s", str))
 end
 
 local function is_table(x)
@@ -150,18 +105,6 @@ local function is_func(x)
 	return type(x) == "function"
 end
 
-local function is_group(item)
-	return sub(item, 1, 6) == "group:"
-end
-
-local function fmt(elem, ...)
-	if not fs_elements[elem] then
-		return sprintf(elem, ...)
-	end
-
-	return sprintf(fs_elements[elem], ...)
-end
-
 local function clean_name(item)
 	if sub(item, 1, 1) == ":" or sub(item, 1, 1) == " " or sub(item, 1, 1) == "_" then
 		item = sub(item, 2)
@@ -170,35 +113,12 @@ local function clean_name(item)
 	return item
 end
 
-local function round(num, decimal)
-	local mul = 10 ^ decimal
-	return floor(num * mul + 0.5) / mul
-end
-
-local function array_diff(t1, t2)
-	local hash = {}
-
-	for i = 1, #t1 do
-		local v = t1[i]
-		hash[v] = true
-	end
-
-	for i = 1, #t2 do
-		local v = t2[i]
-		hash[v] = nil
-	end
-
-	local diff, c = {}, 0
-
-	for i = 1, #t1 do
-		local v = t1[i]
-		if hash[v] then
-			c = c + 1
-			diff[c] = v
+local function table_replace(t, val, new)
+	for k, v in pairs(t) do
+		if v == val then
+			t[k] = new
 		end
 	end
-
-	return diff
 end
 
 local function table_eq(T1, T2)
@@ -255,35 +175,31 @@ local function table_eq(T1, T2)
 	return recurse(T1, T2)
 end
 
-local function table_merge(t1, t2, hash)
-	t1 = t1 or {}
-	t2 = t2 or {}
-
-	if hash then
-		for k, v in pairs(t2) do
-			t1[k] = v
-		end
-	else
-		local c = #t1
-
-		for i = 1, #t2 do
-			c = c + 1
-			t1[c] = t2[i]
-		end
-	end
-
-	return t1
+local function get_lang_code(info)
+	return info and info.lang_code
 end
 
-local function table_replace(t, val, new)
-	for k, v in pairs(t) do
-		if v == val then
-			t[k] = new
-		end
-	end
+local function get_formspec_version(info)
+	return info and info.formspec_version or 1
 end
 
-local craft_types = {}
+local function outdated(name)
+	local fs = fmt("size[6.3,1.3]image[0,0;1,1;%s]label[1,0;%s]button_exit[2.6,0.8;1,1;;OK]",
+		"i3_book.png",
+		"Your Minetest client is outdated.\nGet the latest version on minetest.net to play the game.")
+
+	core.show_formspec(name, "i3_outdated", fs)
+end
+
+local old_is_creative_enabled = core.is_creative_enabled
+
+function core.is_creative_enabled(name)
+	if name == "" then
+		return old_is_creative_enabled(name)
+	end
+
+	return check_privs(name, {creative = true}) or old_is_creative_enabled(name)
+end
 
 function i3.register_craft_type(name, def)
 	if not true_str(name) then
@@ -294,7 +210,7 @@ function i3.register_craft_type(name, def)
 		def.description = ""
 	end
 
-	craft_types[name] = def
+	i3.craft_types[name] = def
 end
 
 function i3.register_craft(def)
@@ -394,16 +310,14 @@ function i3.register_craft(def)
 	end
 
 	local item = match(def.output, "%S+")
-	recipes_cache[item] = recipes_cache[item] or {}
+	i3.recipes_cache[item] = i3.recipes_cache[item] or {}
 
 	def.custom = true
 	def.width = width
 
-	insert(recipes_cache[item], def)
+	insert(i3.recipes_cache[item], def)
 end
 
-local recipe_filters = {}
-
 function i3.add_recipe_filter(name, f)
 	if not true_str(name) then
 		return err "i3.add_recipe_filter: name missing"
@@ -411,7 +325,7 @@ function i3.add_recipe_filter(name, f)
 		return err "i3.add_recipe_filter: function missing"
 	end
 
-	recipe_filters[name] = f
+	i3.recipe_filters[name] = f
 end
 
 function i3.set_recipe_filter(name, f)
@@ -421,27 +335,13 @@ function i3.set_recipe_filter(name, f)
 		return err "i3.set_recipe_filter: function missing"
 	end
 
-	recipe_filters = {[name] = f}
+	i3.recipe_filters = {[name] = f}
 end
 
 function i3.remove_recipe_filter(name)
-	recipe_filters[name] = nil
+	i3.recipe_filters[name] = nil
 end
 
-function i3.get_recipe_filters()
-	return recipe_filters
-end
-
-local function apply_recipe_filters(recipes, player)
-	for _, filter in pairs(recipe_filters) do
-		recipes = filter(recipes, player)
-	end
-
-	return recipes
-end
-
-local search_filters = {}
-
 function i3.add_search_filter(name, f)
 	if not true_str(name) then
 		return err "i3.add_search_filter: name missing"
@@ -449,105 +349,11 @@ function i3.add_search_filter(name, f)
 		return err "i3.add_search_filter: function missing"
 	end
 
-	search_filters[name] = f
+	i3.search_filters[name] = f
 end
 
 function i3.remove_search_filter(name)
-	search_filters[name] = nil
-end
-
-function i3.get_search_filters()
-	return search_filters
-end
-
-local function compression_active(data)
-	return item_compression and not next(recipe_filters) and data.filter == ""
-end
-
-local function compressible(item, data)
-	return compression_active(data) and compress_groups[item]
-end
-
-local function weird_desc(str)
-	return not true_str(str) or find(str, "\n") or not find(str, "%u")
-end
-
-local function toupper(str)
-	return str:gsub("%f[%w]%l", upper):gsub("_", " ")
-end
-
-local function snip(str, limit)
-	return #str > limit and fmt("%s...", sub(str, 1, limit - 3)) or str
-end
-
-local function get_desc(item)
-	if sub(item, 1, 1) == "_" then
-		item = sub(item, 2)
-	end
-
-	local def = reg_items[item]
-
-	if not def then
-		return S("Unknown Item (@1)", item)
-	end
-
-	local desc = def.description
-
-	if true_str(desc) then
-		desc = desc:trim():match("[^\n]*"):gsub("_", " ")
-
-		if not find(desc, "%u") then
-			desc = toupper(desc)
-		end
-
-		return desc
-
-	elseif true_str(item) then
-		return toupper(match(item, ":(.*)"))
-	end
-end
-
-local function item_has_groups(item_groups, groups)
-	for i = 1, #groups do
-		local group = groups[i]
-		if (item_groups[group] or 0) == 0 then return end
-	end
-
-	return true
-end
-
-local function extract_groups(str)
-	if sub(str, 1, 6) == "group:" then
-		return split(sub(str, 7), ",")
-	end
-end
-
-local function get_filtered_items(player, data)
-	local items, known, c = {}, 0, 0
-
-	for i = 1, #init_items do
-		local item = init_items[i]
-		local recipes = recipes_cache[item]
-		local usages = usages_cache[item]
-
-		recipes = #apply_recipe_filters(recipes or {}, player)
-		usages = #apply_recipe_filters(usages or {}, player)
-
-		if recipes > 0 or usages > 0 then
-			c = c + 1
-			items[c] = item
-
-			if data then
-				known = known + recipes + usages
-			end
-		end
-	end
-
-	if data then
-		data.known_recipes = known
-	end
-
-	return items
+	i3.search_filters[name] = nil
 end
 
 local function get_burntime(item)
@@ -557,7 +363,7 @@ end
 local function cache_fuel(item)
 	local burntime = get_burntime(item)
 	if burntime > 0 then
-		fuel_cache[item] = {
+		i3.fuel_cache[item] = {
 			type = "fuel",
 			items = {item},
 			burntime = burntime,
@@ -566,83 +372,6 @@ local function cache_fuel(item)
 	end
 end
 
-local function show_item(def)
-	return def and def.groups.not_in_creative_inventory ~= 1 and
-		def.description and def.description ~= ""
-end
-
-local function reset_compression(data)
-	data.alt_items = nil
-	data.expand = ""
-end
-
-local function search(data)
-	reset_compression(data)
-
-	local filter = data.filter
-	local opt = "^(.-)%+([%w_]+)=([%w_,]+)"
-	local search_filter = next(search_filters) and match(filter, opt)
-	local filters = {}
-
-	if search_filter then
-		search_filter = search_filter:trim()
-
-		for filter_name, values in gmatch(filter, sub(opt, 6)) do
-			if search_filters[filter_name] then
-				values = split(values, ",")
-				filters[filter_name] = values
-			end
-		end
-	end
-
-	local filtered_list, c = {}, 0
-
-	for i = 1, #data.items_raw do
-		local item = data.items_raw[i]
-		local def = reg_items[item]
-		local desc = lower(translate(data.lang_code, def and def.description)) or ""
-		local search_in = fmt("%s %s", item, desc)
-		local temp, j, to_add = {}, 1
-
-		if search_filter then
-			for filter_name, values in pairs(filters) do
-				if values then
-					local func = search_filters[filter_name]
-					to_add = (j > 1 and temp[item] or j == 1) and
-						func(item, values) and (search_filter == "" or
-						find(search_in, search_filter, 1, true))
-
-					if to_add then
-						temp[item] = true
-					end
-
-					j = j + 1
-				end
-			end
-		else
-			local ok = true
-
-			for keyword in gmatch(filter, "%S+") do
-				if not find(search_in, keyword, 1, true) then
-					ok = nil
-					break
-				end
-			end
-
-			if ok then
-				to_add = true
-			end
-		end
-
-		if to_add then
-			c = c + 1
-			filtered_list[c] = item
-		end
-	end
-
-	data.items = filtered_list
-end
-
 local function sort_by_category(data)
 	reset_compression(data)
 	local items = data.items_raw
@@ -681,15 +410,15 @@ local function get_item_usages(item, recipe, added)
 				local usage = copy(recipe)
 				table_replace(usage.items, item, name)
 
-				usages_cache[name] = usages_cache[name] or {}
-				insert(usages_cache[name], 1, usage)
+				i3.usages_cache[name] = i3.usages_cache[name] or {}
+				insert(i3.usages_cache[name], 1, usage)
 
 				added[name] = true
 			end
 		end
 	elseif show_item(reg_items[item]) then
-		usages_cache[item] = usages_cache[item] or {}
-		insert(usages_cache[item], 1, recipe)
+		i3.usages_cache[item] = i3.usages_cache[item] or {}
+		insert(i3.usages_cache[item], 1, recipe)
 	end
 end
 
@@ -707,14 +436,14 @@ local function get_usages(recipe)
 end
 
 local function cache_usages(item)
-	local recipes = recipes_cache[item] or {}
+	local recipes = i3.recipes_cache[item] or {}
 
 	for i = 1, #recipes do
 		get_usages(recipes[i])
 	end
 
-	if fuel_cache[item] then
-		usages_cache[item] = table_merge(usages_cache[item] or {}, {fuel_cache[item]})
+	if i3.fuel_cache[item] then
+		i3.usages_cache[item] = table_merge(i3.usages_cache[item] or {}, {i3.fuel_cache[item]})
 	end
 end
 
@@ -803,21 +532,21 @@ local function cache_recipes(item)
 	end
 
 	if recipes then
-		recipes_cache[item] = table_merge(recipes, recipes_cache[item] or {})
+		i3.recipes_cache[item] = table_merge(recipes, i3.recipes_cache[item] or {})
 	end
 end
 
 function i3.get_recipes(item)
 	return {
-		recipes = recipes_cache[item],
-		usages = usages_cache[item]
+		recipes = i3.recipes_cache[item],
+		usages = i3.usages_cache[item]
 	}
 end
 
 local function get_recipes(player, item)
 	local clean_item = reg_aliases[item] or item
-	local recipes = recipes_cache[clean_item]
-	local usages = usages_cache[clean_item]
+	local recipes = i3.recipes_cache[clean_item]
+	local usages = i3.usages_cache[clean_item]
 
 	if recipes then
 		recipes = apply_recipe_filters(recipes, player)
@@ -833,32 +562,6 @@ local function get_recipes(player, item)
 	       not no_usages  and usages  or nil
 end
 
-local function groups_to_items(groups, get_all)
-	if not get_all and #groups == 1 then
-		local group = groups[1]
-		local stereotype = group_stereotypes[group]
-		local def = reg_items[stereotype]
-
-		if show_item(def) then
-			return stereotype
-		end
-	end
-
-	local names = {}
-
-	for name, def in pairs(reg_items) do
-		if show_item(def) and item_has_groups(def.groups, groups) then
-			if get_all then
-				names[#names + 1] = name
-			else
-				return name
-			end
-		end
-	end
-
-	return get_all and names or ""
-end
-
 local function __sort(inv, reverse)
 	sort(inv, function(a, b)
 		if not is_str(a) then
@@ -957,61 +660,6 @@ local function compress_items(player)
 	inv:set_list("main", _new_inv)
 end
 
-local function get_stack_max(inv, data, is_recipe, rcp)
-	local list = inv:get_list("main")
-	local size = inv:get_size("main")
-	local counts_inv, counts_rcp, counts = {}, {}, {}
-	local rcp_usg = is_recipe and "recipe" or "usage"
-
-	for _, it in pairs(rcp.items) do
-		counts_rcp[it] = (counts_rcp[it] or 0) + 1
-	end
-
-	data.export_counts[rcp_usg] = {}
-	data.export_counts[rcp_usg].rcp = counts_rcp
-
-	for i = 1, size do
-		local stack = list[i]
-
-		if not stack:is_empty() then
-			local item = stack:get_name()
-			local count = stack:get_count()
-
-			for name in pairs(counts_rcp) do
-				if is_group(name) then
-					local def = reg_items[item]
-
-					if def then
-						local groups = extract_groups(name)
-
-						if item_has_groups(def.groups, groups) then
-							counts_inv[name] = (counts_inv[name] or 0) + count
-						end
-					end
-				end
-			end
-
-			counts_inv[item] = (counts_inv[item] or 0) + count
-		end
-	end
-
-	data.export_counts[rcp_usg].inv = counts_inv
-
-	for name in pairs(counts_rcp) do
-		counts[name] = floor((counts_inv[name] or 0) / (counts_rcp[name] or 0))
-	end
-
-	local max_stacks = math.huge
-
-	for _, count in pairs(counts) do
-		if count < max_stacks then
-			max_stacks = count
-		end
-	end
-
-	return max_stacks
-end
-
 local function spawn_item(player, stack)
 	local dir     = player:get_look_dir()
 	local ppos    = player:get_pos()
@@ -1114,8 +762,8 @@ local function select_item(player, name, data, _f)
 			data.alt_items = copy(data.items)
 			data.expand = item
 
-			if compress_groups[item] then
-				local items = copy(compress_groups[item])
+			if i3.compress_groups[item] then
+				local items = copy(i3.compress_groups[item])
 				insert(items, fmt("_%s", item))
 
 				sort(items, function(a, b)
@@ -1169,1048 +817,10 @@ local function select_item(player, name, data, _f)
 	end
 end
 
-local function repairable(tool)
-	local def = reg_tools[tool]
-	return toolrepair and def and def.groups and def.groups.disable_repair ~= 1
-end
-
-local function is_fav(favs, query_item)
-	local fav, i
-	for j = 1, #favs do
-		if favs[j] == query_item then
-			fav = true
-			i = j
-			break
-		end
-	end
-
-	return fav, i
-end
-
-local function get_tooltip(item, info, pos)
-	local tooltip
-
-	if info.groups then
-		sort(info.groups)
-		tooltip = group_names[concat(info.groups, ",")]
-
-		if not tooltip then
-			local groupstr = {}
-
-			for i = 1, #info.groups do
-				insert(groupstr, clr("#ff0", info.groups[i]))
-			end
-
-			groupstr = concat(groupstr, ", ")
-			tooltip = S("Any item belonging to the groups: @1", groupstr)
-		end
-	else
-		tooltip = info.meta_desc or get_desc(item)
-	end
-
-	local function add(str)
-		return fmt("%s\n%s", tooltip, str)
-	end
-
-	if info.cooktime then
-		tooltip = add(S("Cooking time: @1", clr("#ff0", info.cooktime)))
-	end
-
-	if info.burntime then
-		tooltip = add(S("Burning time: @1", clr("#ff0", info.burntime)))
-	end
-
-	if info.replace then
-		for i = 1, #info.replace.items do
-			local rpl = match(info.replace.items[i], "%S+")
-			local desc = clr("#ff0", get_desc(rpl))
-
-			if info.replace.type == "cooking" then
-				tooltip = add(S("Replaced by @1 on smelting", desc))
-			elseif info.replace.type == "fuel" then
-				tooltip = add(S("Replaced by @1 on burning", desc))
-			else
-				tooltip = add(S("Replaced by @1 on crafting", desc))
-			end
-		end
-	end
-
-	if info.repair then
-		tooltip = add(S("Repairable by step of @1", clr("#ff0", toolrepair .. "%")))
-	end
-
-	if info.rarity then
-		local chance = (1 / max(1, info.rarity)) * 100
-		tooltip = add(S("@1 of chance to drop", clr("#ff0", chance .. "%")))
-	end
-
-	if info.tools then
-		local several = #info.tools > 1
-		local names = several and "\n" or ""
-
-		if several then
-			for i = 1, #info.tools do
-				names = fmt("%s\t\t- %s\n", names, clr("#ff0", get_desc(info.tools[i])))
-			end
-
-			tooltip = add(S("Only drop if using one of these tools: @1", sub(names, 1, -2)))
-		else
-			tooltip = add(S("Only drop if using this tool: @1",
-				clr("#ff0", get_desc(info.tools[1]))))
-		end
-	end
-
-	if pos then
-		return fmt("tooltip", pos.x, pos.y, ITEM_BTN_SIZE, ITEM_BTN_SIZE, ESC(tooltip))
-	end
-
-	return fmt("tooltip[%s;%s]", item, ESC(tooltip))
-end
-
-local function get_output_fs(fs, data, rcp, is_recipe, shapeless, right, btn_size, _btn_size)
-	local custom_recipe = craft_types[rcp.type]
-
-	if custom_recipe or shapeless or rcp.type == "cooking" then
-		local icon = custom_recipe and custom_recipe.icon or shapeless and "shapeless" or "furnace"
-
-		if not custom_recipe then
-			icon = fmt("i3_%s.png^\\[resize:16x16", icon)
-		end
-
-		local pos_x = right + btn_size + 0.42
-		local pos_y = data.yoffset + 0.9
-
-		if sub(icon, 1, 10) == "i3_furnace" then
-			fs("animated_image", pos_x, pos_y, 0.5, 0.5, PNG.furnace_anim, 8, 180)
-		else
-			fs("image", pos_x, pos_y, 0.5, 0.5, icon)
-		end
-
-		local tooltip = custom_recipe and custom_recipe.description or
-				shapeless and S"Shapeless" or S"Cooking"
-
-		fs("tooltip", pos_x, pos_y, 0.5, 0.5, ESC(tooltip))
-	end
-
-	local arrow_X = right + 0.2 + (_btn_size or ITEM_BTN_SIZE)
-	local X = arrow_X + 1.2
-	local Y = data.yoffset + 1.4
-
-	fs("image", arrow_X, Y + 0.06, 1, 1, PNG.arrow)
-
-	if rcp.type == "fuel" then
-		fs("animated_image", X + 0.05, Y, ITEM_BTN_SIZE, ITEM_BTN_SIZE, PNG.fire_anim, 8, 180)
-	else
-		local item = ItemStack(rcp.output)
-		local meta = item:get_meta()
-		local name = item:get_name()
-		local count = item:get_count()
-		local bt_s = ITEM_BTN_SIZE * 1.2
-		local _name = fmt("_%s", name)
-		local pos
-
-		if meta:get_string("color") ~= "" or meta:get_string("palette_index") ~= "" then
-			local rcp_usg = is_recipe and "rcp" or "usg"
-
-			fs(fmt("style_type[list;size=%f]", ITEM_BTN_SIZE))
-			fs("listcolors[#bababa50;#bababa99]")
-			fs(fmt("list[detached:i3_output_%s;main;%f,%f;1,1;]", rcp_usg, X + 0.11, Y))
-			fs("button",  X + 0.11, Y, ITEM_BTN_SIZE, ITEM_BTN_SIZE, _name, "")
-
-			local inv = core.get_inventory {
-				type = "detached",
-				name = fmt("i3_output_%s", rcp_usg)
-			}
-
-			inv:set_stack("main", 1, item)
-			pos = {x = X + 0.11, y = Y}
-		else
-			fs("image", X, Y - 0.11, bt_s, bt_s, PNG.slot)
-
-			fs("item_image_button",
-				X + 0.11, Y, ITEM_BTN_SIZE, ITEM_BTN_SIZE,
-				fmt("%s %u", name, count * (is_recipe and data.scrbar_rcp or data.scrbar_usg or 1)),
-				_name, "")
-		end
-
-		local def = reg_items[name]
-		local unknown = not def or nil
-		local desc = def and def.description
-		local weird = name ~= "" and desc and weird_desc(desc) or nil
-		local burntime = fuel_cache[name] and fuel_cache[name].burntime
-
-		local short_desc = meta:get_string("short_description")
-		local long_desc  = meta:get_string("description")
-		local meta_desc  = (short_desc ~= "" and short_desc) or (long_desc ~= "" and long_desc)
-
-		local infos = {
-			unknown   = unknown,
-			weird     = weird,
-			burntime  = burntime,
-			repair    = repairable(name),
-			rarity    = rcp.rarity,
-			tools     = rcp.tools,
-			meta_desc = meta_desc,
-		}
-
-		if next(infos) then
-			fs(get_tooltip(_name, infos, pos))
-		end
-	end
-end
-
-local function get_grid_fs(fs, data, rcp, is_recipe)
-	local width = rcp.width or 1
-	local right, btn_size, _btn_size = 0, ITEM_BTN_SIZE
-	local cooktime, shapeless
-
-	if rcp.type == "cooking" then
-		cooktime, width = width, 1
-	elseif width == 0 and not rcp.custom then
-		shapeless = true
-		local n = #rcp.items
-		width = (n < 5 and n > 1) and 2 or min(3, max(1, n))
-	end
-
-	local rows = ceil(maxn(rcp.items) / width)
-	local large_recipe = width > 3 or rows > 3
-
-	if large_recipe then
-		fs("style_type[item_image_button;border=true]")
-	end
-
-	for i = 1, width * rows do
-		local item  = rcp.items[i] or ""
-		      item  = ItemStack(item)
-		local meta  = item:get_meta()
-		local name  = item:get_name()
-		local count = item:get_count()
-		local X, Y
-
-		if large_recipe then
-			local a, b = 3, 3
-			local add_x, add_y = 0, 0
-
-			if width < 3 then
-				a, b = width * 2, 1
-				add_x = 2
-			elseif rows < 3 then
-				a, b = 1, rows * 2
-				add_y = 1.4
-			end
-
-			btn_size = (a / width) * (b / rows) + 0.3
-			_btn_size = btn_size
-
-			local xi = (i - 1) % width
-			local yi = floor((i - 1) / width)
-
-			X = btn_size * xi + data.inv_width + 0.3 + (xi * 0.05) + add_x
-			Y = btn_size * yi + data.yoffset + 0.2 + (yi * 0.05) + add_y
-		else
-			X = ceil((i - 1) % width - width)
-			X = X + (X * 0.2) + data.inv_width + 3.9
-
-			Y = ceil(i / width) - min(2, rows)
-			Y = Y + (Y * 0.15) + data.yoffset + 1.4
-		end
-
-		if X > right then
-			right = X
-		end
-
-		local groups
-
-		if is_group(name) then
-			groups = extract_groups(name)
-			name = groups_to_items(groups)
-		end
-
-		local label = groups and "\nG" or ""
-		local replace
-
-		for j = 1, #(rcp.replacements or {}) do
-			local replacement = rcp.replacements[j]
-			if replacement[1] == name then
-				replace = replace or {type = rcp.type, items = {}}
-
-				local added
-
-				for _, v in ipairs(replace.items) do
-					if replacement[2] == v then
-						added = true
-						break
-					end
-				end
-
-				if not added then
-					label = fmt("%s%s\nR", label ~= "" and "\n" or "", label)
-					replace.items[#replace.items + 1] = replacement[2]
-				end
-			end
-		end
-
-		if not large_recipe then
-			fs("image", X, Y, btn_size, btn_size, PNG.slot)
-		end
-
-		local btn_name = groups and fmt("group|%s|%s", groups[1], name) or name
-
-		fs("item_image_button", X, Y, btn_size, btn_size,
-			fmt("%s %u", name, count * (is_recipe and data.scrbar_rcp or data.scrbar_usg or 1)),
-			btn_name, label)
-
-		local def = reg_items[name]
-		local unknown = not def or nil
-		      unknown = not groups and unknown or nil
-		local desc = def and def.description
-		local weird = name ~= "" and desc and weird_desc(desc) or nil
-		local burntime = fuel_cache[name] and fuel_cache[name].burntime
-
-		local short_desc = meta:get_string("short_description")
-		local long_desc  = meta:get_string("description")
-		local meta_desc  = (short_desc ~= "" and short_desc) or (long_desc ~= "" and long_desc) or nil
-
-		local infos = {
-			unknown   = unknown,
-			weird     = weird,
-			groups    = groups,
-			burntime  = burntime,
-			cooktime  = cooktime,
-			replace   = replace,
-			meta_desc = meta_desc,
-		}
-
-		if next(infos) then
-			fs(get_tooltip(btn_name, infos))
-		end
-	end
-
-	if large_recipe then
-		fs("style_type[item_image_button;border=false]")
-	end
-
-	get_output_fs(fs, data, rcp, is_recipe, shapeless, right, btn_size, _btn_size)
-end
-
-local function get_rcp_lbl(fs, data, panel, rn, is_recipe)
-	local rcp = is_recipe and panel.rcp[data.rnum] or panel.rcp[data.unum]
-
-	if rcp.custom then
-		fs("hypertext", data.inv_width + 4.8, data.yoffset + 0.12, 3, 0.6, "custom_rcp",
-			fmt("<global size=16><right><i>%s</i></right>", ES"Custom recipe"))
-	end
-
-	local lbl = ES("Usage @1 of @2", data.unum, rn)
-
-	if is_recipe then
-		lbl = ES("Recipe @1 of @2", data.rnum, rn)
-	end
-
-	local one = rn == 1
-	local y = data.yoffset + 3.3
-
-	fs("hypertext", data.inv_width + (one and 4.7 or 3.95), y, 3, 0.6, "rcp_num",
-		fmt("<global size=16><right>%s</right>", lbl))
-
-	if not one then
-		local btn_suffix = is_recipe and "recipe" or "usage"
-		local prev_name = fmt("prev_%s", btn_suffix)
-		local next_name = fmt("next_%s", btn_suffix)
-		local size = 0.3
-
-		fs("image_button", data.inv_width + 7.05, y, size, size, "", prev_name, "")
-		fs("image_button", data.inv_width + 7.5,  y, size, size, "", next_name, "")
-	end
-
-	get_grid_fs(fs, data, rcp, is_recipe)
-end
-
-local function get_model_fs(fs, data, def, model_alias)
-	if model_alias then
-		if model_alias.drawtype == "entity" then
-			def = reg_entities[model_alias.name]
-			local init_props = def.initial_properties
-			def.textures = init_props and init_props.textures or def.textures
-			def.mesh = init_props and init_props.mesh or def.mesh
-		else
-			def = reg_items[model_alias.name]
-		end
-	end
-
-	local tiles = def.tiles or def.textures or {}
-	local t = {}
-
-	for _, v in ipairs(tiles) do
-		local _name
-
-		if v.color then
-			if is_num(v.color) then
-				local hex = fmt("%02x", v.color)
-
-				while #hex < 8 do
-					hex = "0" .. hex
-				end
-
-				_name = fmt("%s^[multiply:%s", v.name,
-					fmt("#%s%s", sub(hex, 3), sub(hex, 1, 2)))
-			else
-				_name = fmt("%s^[multiply:%s", v.name, v.color)
-			end
-		elseif v.animation then
-			_name = fmt("%s^[verticalframe:%u:0", v.name, v.animation.frames_h or v.animation.aspect_h)
-		end
-
-		t[#t + 1] = _name or v.name or v
-	end
-
-	while #t < 6 do
-		t[#t + 1] = t[#t]
-	end
-
-	fs("model", data.inv_width + 6.6, data.yoffset + 0.05, 1.3, 1.3, "preview",
-		def.mesh, concat(t, ","), "0,0", "true", "true",
-		model_alias and model_alias.frames or "")
-end
-
-local function get_header(fs, data)
-	local fav = is_fav(data.favs, data.query_item)
-	local nfavs = #data.favs
-	local star_x, star_y, size = data.inv_width + 0.3, data.yoffset + 0.2, 0.4
-
-	if nfavs < MAX_FAVS or (nfavs == MAX_FAVS and fav) then
-		local fav_marked = fmt("i3_fav%s.png", fav and "_off" or "")
-
-		fs(fmt("style[fav;fgimg=%s;fgimg_hovered=%s;fgimg_pressed=%s]",
-			fmt("i3_fav%s.png", fav and "" or "_off"), fav_marked, fav_marked))
-		fs("image_button", star_x, star_y, size, size, "", "fav", "")
-		fs(fmt("tooltip[fav;%s]", fav and ES"Unmark this item" or ES"Mark this item"))
-	else
-		fs(fmt("style[nofav;fgimg=%s;fgimg_hovered=%s;fgimg_pressed=%s]",
-			"i3_fav_off.png", PNG.cancel, PNG.cancel))
-		fs("image_button", star_x, star_y, size, size, "", "nofav", "")
-		fs(fmt("tooltip[nofav;%s]", ES"Cannot mark this item. Bookmark limit reached."))
-	end
-
-	fs("image_button", star_x + 0.05, star_y + 0.6, size, size, "", "exit", "")
-	fs(fmt("tooltip[exit;%s]", ES"Back to item list"))
-
-	local desc_lim, name_lim = 34, 35
-	local desc = translate(data.lang_code, get_desc(data.query_item))
-	      desc = ESC(desc)
-	local tech_name = data.query_item
-	local X = data.inv_width + 0.95
-	local Y1 = data.yoffset + 0.47
-	local Y2 = Y1 + 0.5
-
-	if #desc > desc_lim then
-		fs("tooltip", X, Y1 - 0.1, 5.7, 0.24, desc)
-		desc = snip(desc, desc_lim)
-	end
-
-	if #tech_name > name_lim then
-		fs("tooltip", X, Y2 - 0.1, 5.7, 0.24, tech_name)
-		tech_name = snip(tech_name, name_lim)
-	end
-
-	fs("style_type[label;font=bold;font_size=20]")
-	fs("label", X, Y1, desc)
-	fs("style_type[label;font=mono;font_size=16]")
-	fs("label", X, Y2, clr("#7bf", tech_name))
-	fs("style_type[label;font=normal;font_size=16]")
-
-	local def = reg_items[data.query_item]
-	local model_alias = model_aliases[data.query_item]
-
-	if def.drawtype == "mesh" or model_alias then
-		get_model_fs(fs, data, def, model_alias)
-	else
-		fs("item_image", data.inv_width + 6.8, data.yoffset + 0.17, 1.1, 1.1, data.query_item)
-	end
-end
-
-local function get_export_fs(fs, data, is_recipe, is_usage, max_stacks_rcp, max_stacks_usg)
-	local name = is_recipe and "rcp" or "usg"
-	local show_export = (is_recipe and data.export_rcp) or (is_usage and data.export_usg)
-
-	fs(fmt("style[export_%s;fgimg=%s;fgimg_hovered=%s]",
-		name, fmt("%s", show_export and PNG.export_hover or PNG.export), PNG.export_hover))
-	fs("image_button", data.inv_width + 7.35, data.yoffset + 0.2, 0.45, 0.45, "", fmt("export_%s", name), "")
-	fs(fmt("tooltip[export_%s;%s]", name, ES"Quick crafting"))
-
-	if not show_export then return end
-
-	local craft_max = is_recipe and max_stacks_rcp or max_stacks_usg
-	local stack_fs = (is_recipe and data.scrbar_rcp) or (is_usage and data.scrbar_usg) or 1
-
-	if stack_fs > craft_max then
-		stack_fs = craft_max
-
-		if is_recipe then
-			data.scrbar_rcp = craft_max
-		elseif is_usage then
-			data.scrbar_usg = craft_max
-		end
-	end
-
-	fs(fmt("style[scrbar_%s;noclip=true]", name),
-	   fmt("scrollbaroptions[min=1;max=%u;smallstep=1]", craft_max))
-	fs("scrollbar", data.inv_width + 8.1, data.yoffset, 3, 0.35, "horizontal", fmt("scrbar_%s", name), stack_fs)
-	fs("button", data.inv_width + 8.1, data.yoffset + 0.4, 3, 0.7, fmt("craft_%s", name),
-		ES("Craft (x@1)", stack_fs))
-end
-
-local function get_rcp_extra(player, fs, data, panel, is_recipe, is_usage)
-	fs("container[0,0.075]")
-	local rn = panel.rcp and #panel.rcp
-
-	if rn then
-		local rcp_ok = is_recipe and panel.rcp[data.rnum].type == "normal"
-		local usg_ok = is_usage and panel.rcp[data.unum].type == "normal"
-		local max_stacks_rcp, max_stacks_usg = 0, 0
-		local inv = player:get_inventory()
-
-		if rcp_ok then
-			max_stacks_rcp = get_stack_max(inv, data, is_recipe, panel.rcp[data.rnum])
-		end
-
-		if usg_ok then
-			max_stacks_usg = get_stack_max(inv, data, is_recipe, panel.rcp[data.unum])
-		end
-
-		if is_recipe and max_stacks_rcp == 0 then
-			data.export_rcp = nil
-			data.scrbar_rcp = 1
-		elseif is_usage and max_stacks_usg == 0 then
-			data.export_usg = nil
-			data.scrbar_usg = 1
-		end
-
-		if max_stacks_rcp > 0 or max_stacks_usg > 0 then
-			get_export_fs(fs, data, is_recipe, is_usage, max_stacks_rcp, max_stacks_usg)
-		end
-
-		get_rcp_lbl(fs, data, panel, rn, is_recipe)
-	else
-		local lbl = is_recipe and ES"No recipes" or ES"No usages"
-		fs("button", data.inv_width + 0.1, data.yoffset + (panel.height / 2) - 0.5,
-			7.8, 1, "no_rcp", lbl)
-	end
-
-	fs("container_end[]")
-end
-
-local function get_items_fs(fs, data, full_height)
-	if compression_active(data) then
-		local new = {}
-
-		for i = 1, #data.items do
-			local item = data.items[i]
-			if not compressed[item] then
-				new[#new + 1] = item
-			end
-		end
-
-		data.items = new
-	end
-
-	local items = data.alt_items or data.items or {}
-	local rows, lines = 8, 12
-	local ipp = rows * lines
-	local size = 0.85
-
-	fs(fmt("box[%f,0.2;4.05,0.6;#bababa25]", data.inv_width + 0.3),
-	   "set_focus[filter]",
-	   fmt("field[%f,0.2;2.95,0.6;filter;;%s]", data.inv_width + 0.35, ESC(data.filter)),
-	   "field_close_on_enter[filter;false]")
-
-	fs("image_button", data.inv_width + 3.35, 0.35, 0.3,  0.3,  "", "cancel", "")
-	fs("image_button", data.inv_width + 3.85, 0.32, 0.35, 0.35, "", "search", "")
-	fs("image_button", data.inv_width + 5.27, 0.3,  0.35, 0.35, "", "prev_page", "")
-	fs("image_button", data.inv_width + 7.45, 0.3,  0.35, 0.35, "", "next_page", "")
-
-	data.pagemax = max(1, ceil(#items / ipp))
-
-	fs("button", data.inv_width + 5.6, 0.14, 1.88, 0.7, "pagenum",
-		fmt("%s / %u", clr("#ff0", data.pagenum), data.pagemax))
-
-	if #items == 0 then
-		local lbl = ES"No item to show"
-
-		if next(recipe_filters) and #init_items > 0 and data.filter == "" then
-			lbl = ES"Collect items to reveal more recipes"
-		end
-
-		fs("button", data.inv_width + 0.1, 3, 8, 1, "no_item", lbl)
-	else
-		local first_item = (data.pagenum - 1) * ipp
-
-		for i = first_item, first_item + ipp - 1 do
-			local item = items[i + 1]
-			if not item then break end
-
-			local _compressed = item:sub(1, 1) == "_"
-			local name = _compressed and item:sub(2) or item
-
-			local X = i % rows
-			      X = X - (X * 0.045) + data.inv_width + 0.28
-
-			local Y = round((i % ipp - X) / rows + 1, 0)
-			      Y = Y - (Y * 0.085) + 0.95
-
-			fs[#fs + 1] = fmt("item_image_button", X, Y, size, size, name, item, "")
-
-			if compressible(item, data) then
-				local expand = data.expand == name
-
-				fs(fmt("tooltip[%s;%s]", item, expand and ES"Click to hide" or ES"Click to expand"))
-				fs("style_type[label;font=bold;font_size=20]")
-				fs("label", X + 0.65, Y + 0.7, expand and "-" or "+")
-				fs("style_type[label;font=normal;font_size=16]")
-			end
-		end
-	end
-
-	local _tabs = {"All", "Nodes", "Items"}
-	local tab_len, tab_hgh = 1.8, 0.5
-
-	for i, title in ipairs(_tabs) do
-		local selected = i == data.current_itab
-
-		fs(fmt([[style_type[image_button;fgimg=%s;fgimg_hovered=%s;noclip=true;
-			font_size=16;textcolor=%s;content_offset=0;sound=i3_tab] ]],
-		selected and PNG.tab_small_hover or PNG.tab_small,
-		PNG.tab_small_hover, selected and "#fff" or "#ddd"))
-
-		fs("style_type[image_button:hovered;textcolor=#fff]")
-		fs("image_button", (data.inv_width - 0.65) + (i * (tab_len + 0.1)),
-			full_height, tab_len, tab_hgh, "", fmt("itab_%u", i), title)
-	end
-end
-
-local function get_favs(fs, data)
-	fs("label", data.inv_width + 0.4, data.yoffset + 0.4, ES"Bookmarks")
-
-	for i = 1, #data.favs do
-		local item = data.favs[i]
-		local X = data.inv_width - 0.7 + (i * 1.2)
-		local Y = data.yoffset + 0.8
-
-		if data.query_item == item then
-			fs("image", X, Y, ITEM_BTN_SIZE, ITEM_BTN_SIZE, PNG.slot)
-		end
-
-		fs("item_image_button", X, Y, ITEM_BTN_SIZE, ITEM_BTN_SIZE, item, item, "")
-	end
-end
-
-local function get_panels(player, data, fs, full_height)
-	local _title   = {name = "title", height = 1.4}
-	local _favs    = {name = "favs",  height = 2.23}
-	local _items   = {name = "items", height = full_height}
-	local _recipes = {name = "recipes", rcp = data.recipes, height = 4.045}
-	local _usages  = {name = "usages",  rcp = data.usages,  height = 4.045}
-	local panels
-
-	if data.query_item then
-		panels = {_title, _recipes, _usages, _favs}
-	else
-		panels = {_items}
-	end
-
-	for idx = 1, #panels do
-		local panel = panels[idx]
-		data.yoffset = 0
-
-		if idx > 1 then
-			for _idx = idx - 1, 1, -1 do
-				data.yoffset = data.yoffset + panels[_idx].height + 0.1
-			end
-		end
-
-		fs("bg9", data.inv_width + 0.1, data.yoffset, 7.9, panel.height, PNG.bg_full, 10)
-
-		local is_recipe, is_usage = panel.name == "recipes", panel.name == "usages"
-
-		if is_recipe or is_usage then
-			get_rcp_extra(player, fs, data, panel, is_recipe, is_usage)
-		elseif panel.name == "items" then
-			get_items_fs(fs, data, full_height)
-		elseif panel.name == "title" then
-			get_header(fs, data)
-		elseif panel.name == "favs" then
-			get_favs(fs, data)
-		end
-	end
-end
-
-local function add_subtitle(fs, name, y, ctn_len, font_size, sep, label)
-	fs(fmt("style[%s;font=bold;font_size=%u]", name, font_size))
-	fs("button", 0, y, ctn_len, 0.5, name, ESC(label))
-
-	if sep then
-		fs("image", 0, y + 0.55, ctn_len, 0.035, PNG.bar)
-	end
-end
-
-local function get_award_list(data, fs, ctn_len, yextra, award_list, awards_unlocked, award_list_nb)
-	local percent = fmt("%.1f%%", (awards_unlocked * 100) / award_list_nb):gsub(".0", "")
-
-	add_subtitle(fs, "awards", yextra, ctn_len, 18, false,
-		ES("Achievements: @1 of @2 (@3)", awards_unlocked, award_list_nb, percent))
-
-	for i = 1, award_list_nb do
-		local award = award_list[i]
-		local y = yextra - 0.6 + i + (i * 0.3)
-
-		local def, progress = award.def, award.progress
-		local title, desc = def.title, def.description
-
-		title = translate(data.lang_code, title)
-		desc = translate(data.lang_code, desc):gsub("%.$", "")
-
-		local title_lim, _title = 27
-		local desc_lim, _desc = 39
-		local icon_size = 1.1
-		local box_len = ctn_len - icon_size + 0.1
-
-		if #title > title_lim then
-			_title = snip(title, title_lim)
-		end
-
-		if #desc > desc_lim then
-			_desc = snip(desc, desc_lim)
-		end
-
-		if not award.unlocked and def.secret then
-			title = ES"Secret award"
-			desc = ES"Unlock this award to find out what it is"
-		end
-
-		local icon = def.icon or "awards_unknown.png"
-
-		if not award.unlocked then
-			icon = fmt("%s^\\[colorize:#000:180", icon)
-		end
-
-		fs[#fs + 1] = fmt("image", 0, y + 0.01, icon_size, icon_size, icon)
-		fs[#fs + 1] = "style_type[box;colors=#bababa30,#bababa30,#bababa05,#bababa05]"
-		fs[#fs + 1] = fmt("box", icon_size + 0.1, y, box_len, icon_size, "")
-
-		if progress then
-			local current, target = progress.current, progress.target
-			local curr_bar = (current * box_len) / target
-
-			fs[#fs + 1] = fmt("box", icon_size + 0.1, y + 0.8, box_len, 0.3, "#101010")
-			fs[#fs + 1] = "style_type[box;colors=#9dc34c80,#9dc34c,#9dc34c,#9dc34c80]"
-			fs[#fs + 1] = fmt("box", icon_size + 0.1, y + 0.8, curr_bar, 0.3, "")
-			fs[#fs + 1] = "style_type[label;font_size=14]"
-			fs[#fs + 1] = fmt("label", icon_size + 0.5, y + 0.97, fmt("%u / %u", current, target))
-
-			y = y - 0.14
-		end
-
-		title = _title or title
-		desc = _desc or desc
-
-		fs[#fs + 1] = "style_type[label;font=bold;font_size=17]"
-		fs[#fs + 1] = fmt("label", icon_size + 0.2, y + 0.4, title)
-		fs[#fs + 1] = "style_type[label;font=normal;font_size=15]"
-		fs[#fs + 1] = fmt("label", icon_size + 0.2, y + 0.75, clr("#bbbbbb", desc))
-		fs[#fs + 1] = "style_type[label;font_size=16]"
-	end
-end
-
-local function get_waypoint_fs(fs, data, player, yextra, ctn_len)
-	fs(fmt("box[0,%f;4.9,0.6;#bababa25]", yextra + 1.1))
-	fs("label", 0, yextra + 0.85, ES"Waypoint name:")
-	fs(fmt("field[0.1,%f;4.8,0.6;waypoint_name;;]", yextra + 1.1))
-	fs("image_button", 5.1, yextra + 1.15, 0.5, 0.5, "", "waypoint_add", "")
-	fs(fmt("tooltip[waypoint_add;%s]", ES"Add waypoint"))
-
-	if #data.waypoints == 0 then return end
-
-	for i, v in ipairs(data.waypoints) do
-		local y = yextra + 1.35 + (i - (i * 0.3))
-		local icon_size, yi = 0.35, y + 0.12
-
-		fs("style_type[box;colors=#bababa30,#bababa30,#bababa05,#bababa05]")
-		fs("box", 0, y, ctn_len, 0.6, "")
-
-		local waypoint_name, lim = v.name, 18
-
-		if #v.name > lim then
-			waypoint_name = snip(waypoint_name, lim)
-		end
-
-		fs("style_type[label;font_size=17]")
-
-		local hex = fmt("%02x", v.color)
-
-		while #hex < 6 do
-			hex = "0" .. hex
-		end
-
-		fs("label", 0.15, y + 0.33, clr(fmt("#%s", hex), waypoint_name))
-
-		fs("tooltip", 0, y, ctn_len - 2.5, 0.65,
-			fmt("Name: %s\nPosition:%s", clr("#ff0", v.name),
-				core.pos_to_string(v.pos, 0):sub(2,-2):gsub("(%-*%d+)", clr("#ff0", " %1"))))
-
-		local del = fmt("waypoint_%u_delete", i)
-		fs(fmt("style[%s;fgimg=%s;fgimg_hovered=%s;content_offset=0]", del, PNG.trash, PNG.trash_hover))
-		fs("image_button", ctn_len - 0.5, yi, icon_size, icon_size, "", del, "")
-		fs(fmt("tooltip[%s;%s]", del, ES"Remove waypoint"))
-
-		local rfs = fmt("waypoint_%u_refresh", i)
-		fs(fmt("style[%s;fgimg=%s;fgimg_hovered=%s;content_offset=0]", rfs, PNG.refresh, PNG.refresh_hover))
-		fs("image_button", ctn_len - 1, yi, icon_size, icon_size, "", rfs, "")
-		fs(fmt("tooltip[%s;%s]", rfs, ES"Change color"))
-
-		local vsb = fmt("waypoint_%u_hide", i)
-		fs(fmt("style[%s;fgimg=%s;content_offset=0]", vsb, v.hide and PNG.nonvisible or PNG.visible))
-		fs("image_button", ctn_len - 1.5, yi, icon_size, icon_size, "", vsb, "")
-		fs(fmt("tooltip[%s;%s]", vsb, v.hide and ES"Show waypoint" or ES"Hide waypoint"))
-
-		if check_privs(player, {teleport = true}) then
-			local tp = fmt("waypoint_%u_teleport", i)
-
-			fs(fmt("style[%s;fgimg=%s;fgimg_hovered=%s;content_offset=0]",
-				tp, PNG.teleport, PNG.teleport_hover))
-
-			fs("image_button", ctn_len - 2, yi, icon_size, icon_size, "", tp, "")
-			fs(fmt("tooltip[%s;%s]", tp, ES"Teleport to waypoint"))
-		end
-	end
-
-	fs("style_type[label;font_size=16]")
-end
-
-local function get_ctn_content(fs, data, player, yoffset, ctn_len, award_list, awards_unlocked, award_list_nb)
-	local name = player:get_player_name()
-	add_subtitle(fs, "player_name", 0, ctn_len, 22, true, ESC(name))
-
-	if damage_enabled then
-		local hp = data.hp or player:get_hp() or 20
-		local half = ceil((hp / 2) % 1)
-		local hearts = (hp / 2) + half
-		local heart_size = 0.35
-		local heart_x, heart_h = 0.65, yoffset + 0.75
-
-		for i = 1, 10 do
-			fs("image", heart_x + ((i - 1) * (heart_size + 0.1)), heart_h,
-				heart_size, heart_size, PNG.heart_grey)
-		end
-
-		for i = 1, hearts do
-			fs("image", heart_x + ((i - 1) * (heart_size + 0.1)), heart_h,
-				heart_size, heart_size,
-				(half == 1 and i == floor(hearts)) and PNG.heart_half or PNG.heart)
-		end
-	else
-		yoffset = yoffset - 0.5
-	end
-
-	fs(fmt("list[current_player;craft;%f,%f;3,3;]", 0, yoffset + 1.45))
-	fs("image", 3.47, yoffset + 2.69, 0.85, 0.85, PNG.arrow)
-	fs(fmt("list[current_player;craftpreview;%f,%f;1,1;]", 4.45, yoffset + 2.6),
-	   fmt("list[detached:i3_trash;main;%f,%f;1,1;]", 4.45, yoffset + 3.75))
-	fs("image", 4.45, yoffset + 3.75, 1, 1, PNG.trash)
-
-	local yextra = damage_enabled and 5.5 or 5
-
-	for i, title in ipairs(SUBCAT) do
-		local btn_name = fmt("btn_%s", title)
-
-		fs(fmt("style[btn_%s;fgimg=%s;fgimg_hovered=%s;content_offset=0]", title,
-			data.subcat == i and PNG[fmt("%s_hover", title)] or PNG[title],
-			PNG[fmt("%s_hover", title)]))
-
-		fs("image_button", 0.25 + ((i - 1) * 1.18), yextra - 0.2, 0.5, 0.5, "", btn_name, "")
-		fs(fmt("tooltip[%s;%s]", btn_name, title:gsub("^%l", upper)))
-	end
-
-	fs("box", 0, yextra + 0.45, ctn_len, 0.045, "#bababa50")
-	fs("box", (data.subcat - 1) * 1.18, yextra + 0.45, 1, 0.045, "#f9826c")
-
-	local function not_installed(modname)
-		fs("hypertext", 0, yextra + 0.9, ctn_len, 0.6, "not_installed",
-			fmt("<center><style color=#7bf font=mono>%s</style> not installed</center>", modname))
-	end
-
-	if data.subcat == 1 then
-		fs(fmt("list[detached:%s_backpack;main;0,%f;1,1;]", ESC(name), yextra + 0.7))
-
-		if not data.bag:get_stack("main", 1):is_empty() then
-			fs("hypertext", 1.2, yextra + 0.89, ctn_len - 1.9, 0.8, "bpk",
-				ES("The inventory is extended by @1 slots", BAG_SIZES[data.bag_size] - INV_SIZE))
-		end
-
-	elseif data.subcat == 2 then
-		if __3darmor then
-			fs(fmt("list[detached:%s_armor;armor;0,%f;3,2;]", ESC(name), yextra + 0.7))
-
-			local armor_def = armor.def[name]
-
-			fs("label", 3.65, yextra + 1.55, fmt("%s: %s", ES"Level", armor_def.level))
-			fs("label", 3.65, yextra + 2.05, fmt("%s: %s", ES"Heal", armor_def.heal))
-		else
-			not_installed("3d_armor")
-		end
-
-	elseif data.subcat == 3 then
-		if __skinsdb then
-			local _skins = skins.get_skinlist_for_player(name)
-			local skin_name = skins.get_player_skin(player).name
-			local sks, id = {}, 1
-
-			for i, skin in ipairs(_skins) do
-				if skin.name == skin_name then
-					id = i
-				end
-
-				sks[#sks + 1] = skin.name
-			end
-
-			sks = concat(sks, ","):gsub(";", "")
-
-			fs("label", 0, yextra + 0.85, fmt("%s:", ES"Select a skin"))
-			fs(fmt("dropdown[0,%f;4,0.6;skins;%s;%u;true]", yextra + 1.1, sks, id))
-		else
-			not_installed("skinsdb")
-		end
-
-	elseif data.subcat == 4 then
-		if __awards then
-			yextra = yextra + 0.7
-			get_award_list(data, fs, ctn_len, yextra, award_list, awards_unlocked, award_list_nb)
-		else
-			not_installed("awards")
-		end
-
-	elseif data.subcat == 5 then
-		get_waypoint_fs(fs, data, player, yextra, ctn_len)
-	end
-end
-
-local function get_tabs_fs(player, data, fs, full_height)
-	local tab_len, tab_hgh, c, over = 3, 0.5, 0
-	local _tabs = copy(tabs)
-
-	for i, def in ipairs(tabs) do
-		if def.access and not def.access(player, data) then
-			remove(_tabs, i)
-		end
-	end
-
-	local shift = min(3, #_tabs)
-
-	for i, def in ipairs(_tabs) do
-		if not over and c > 2 then
-			over = true
-			c = 0
-		end
-
-		local btm = i <= 3
-
-		if not btm then
-			shift = #_tabs - 3
-		end
-
-		local selected = i == data.current_tab
-
-		fs(fmt([[style_type[image_button;fgimg=%s;fgimg_hovered=%s;noclip=true;
-			font_size=16;textcolor=%s;content_offset=0;sound=i3_tab] ]],
-		selected and (btm and PNG.tab_hover or PNG.tab_hover_top) or (btm and PNG.tab or PNG.tab_top),
-		btm and PNG.tab_hover or PNG.tab_hover_top, selected and "#fff" or "#ddd"))
-
-		local X = (data.inv_width / 2) + (c * (tab_len + 0.1)) - ((tab_len + 0.05) * (shift / 2))
-		local Y = btm and full_height or -tab_hgh
-
-		fs("style_type[image_button:hovered;textcolor=#fff]")
-		fs("image_button", X, Y, tab_len, tab_hgh, "", fmt("tab_%s", def.name), ESC(def.description))
-
-		if def.image and def.image ~= "" then
-			local desc = translate(data.lang_code, def.description)
-
-			fs("style_type[image;noclip=true]")
-			fs("image", X + (tab_len / 2) - ((#desc * 0.1) / 2) - 0.55,
-				Y + 0.05, 0.35, 0.35, fmt("%s^\\[resize:16x16", def.image))
-		end
-
-		c = c + 1
-	end
-end
-
-local function get_debug_grid(data, fs, full_height)
-	fs("style_type[label;font_size=8;noclip=true]")
-	local spacing, i = 0.2, 1
-
-	for x = 0, data.inv_width + 8, spacing do
-		fs("box", x, 0, 0.01, full_height, "#ff0")
-		fs("label", x, full_height + 0.1, tostring(i))
-		i = i + 1
-	end
-
-	i = 61
-
-	for y = 0, full_height, spacing do
-		fs("box", 0, y, data.inv_width + 8, 0.01, "#ff0")
-		fs("label", -0.15, y, tostring(i))
-		i = i - 1
-	end
-
-	fs("box", data.inv_width / 2, 0, 0.01, full_height, "#f00")
-	fs("box", 0, full_height / 2, data.inv_width, 0.01, "#f00")
-	fs("style_type[label;font_size=16]")
-end
-
-local function make_fs(player, data)
-	--local start = os.clock()
-
-	local fs = setmetatable({}, {
-		__call = function(t, ...)
-			local args = {...}
-			local elem = fs_elements[args[1]]
-
-			if elem then
-				t[#t + 1] = fmt(elem, select(2, ...))
-			else
-				t[#t + 1] = concat(args)
-			end
-		end
-	})
-
-	data.inv_width = 10.23
-	local full_height = 12
-
-	local tab = tabs[data.current_tab]
-
-	fs(fmt("formspec_version[%u]size[%f,%f]no_prepend[]bgcolor[#0000]",
-		MIN_FORMSPEC_VERSION, data.inv_width + 8, full_height), styles)
-
-	fs("bg9", 0, 0, data.inv_width, full_height, PNG.bg_full, 10)
-
-	if tab then
-		tab.formspec(player, data, fs)
-	end
-
-	get_panels(player, data, fs, full_height)
-
-	if #tabs > 1 then
-		get_tabs_fs(player, data, fs, full_height)
-	end
-
-	--get_debug_grid(data, fs, full_height)
-	--print("make_fs()", fmt("%.2f ms", (os.clock() - start) * 1000))
-
-	return concat(fs)
-end
-
 function i3.set_fs(player, _fs)
 	if not player or player.is_fake_player then return end
 	local name = player:get_player_name()
-	local data = pdata[name]
+	local data = i3.data[name]
 	if not data then return end
 
 	local fs = fmt("%s%s", make_fs(player, data), _fs or "")
@@ -2232,15 +842,15 @@ function i3.new_tab(def)
 		return err "i3.new_tab: description missing"
 	end
 
-	if #tabs == 6 then
+	if #i3.tabs == 6 then
 		return err(fmt("i3.new_tab: cannot add '%s' tab. Limit reached (6).", def.name))
 	end
 
-	tabs[#tabs + 1] = def
+	i3.tabs[#i3.tabs + 1] = def
 end
 
 function i3.get_tabs()
-	return tabs
+	return i3.tabs
 end
 
 function i3.remove_tab(tabname)
@@ -2248,23 +858,23 @@ function i3.remove_tab(tabname)
 		return err "i3.remove_tab: tab name missing"
 	end
 
-	for i, def in ipairs(tabs) do
+	for i, def in ipairs(i3.tabs) do
 		if tabname == def.name then
-			remove(tabs, i)
+			remove(i3.tabs, i)
 		end
 	end
 end
 
 function i3.get_current_tab(player)
 	local name = player:get_player_name()
-	local data = pdata[name]
+	local data = i3.data[name]
 
 	return data.current_tab
 end
 
 function i3.set_tab(player, tabname)
 	local name = player:get_player_name()
-	local data = pdata[name]
+	local data = i3.data[name]
 
 	if not tabname or tabname == "" then
 		data.current_tab = 0
@@ -2273,7 +883,7 @@ function i3.set_tab(player, tabname)
 
 	local found
 
-	for i, def in ipairs(tabs) do
+	for i, def in ipairs(i3.tabs) do
 		if not found and def.name == tabname then
 			data.current_tab = i
 			found = true
@@ -2300,22 +910,22 @@ function i3.override_tab(tabname, newdef)
 		return err "i3.override_tab: description missing"
 	end
 
-	for i, def in ipairs(tabs) do
+	for i, def in ipairs(i3.tabs) do
 		if def.name == tabname then
-			tabs[i] = newdef
+			i3.tabs[i] = newdef
 		end
 	end
 end
 
 local function init_data(player, info)
 	local name = player:get_player_name()
-	pdata[name] = pdata[name] or {}
-	local data = pdata[name]
+	i3.data[name] = i3.data[name] or {}
+	local data = i3.data[name]
 
 	data.filter        = ""
 	data.pagenum       = 1
-	data.items         = init_items
-	data.items_raw     = init_items
+	data.items         = i3.init_items
+	data.items_raw     = i3.init_items
 	data.favs          = {}
 	data.export_counts = {}
 	data.current_tab   = 1
@@ -2404,7 +1014,7 @@ local function rcp_fields(player, data, fields)
 		local fav, i = is_fav(data.favs, data.query_item)
 		local total = #data.favs
 
-		if total < MAX_FAVS and not fav then
+		if total < i3.MAX_FAVS and not fav then
 			data.favs[total + 1] = data.query_item
 		elseif fav then
 			remove(data.favs, i)
@@ -2444,144 +1054,6 @@ local function rcp_fields(player, data, fields)
 	end
 end
 
-local function get_inv_slots(data, fs)
-	local inv_x, inv_y = 0.22, 6.9
-	local width, size, spacing = HOTBAR_COUNT, 1, 0.1
-	local bag = data.bag_size
-
-	fs("style_type[box;colors=#77777710,#77777710,#777,#777]")
-
-	for i = 0, HOTBAR_COUNT - 1 do
-		fs("box", i * size + inv_x + (i * spacing), inv_y, size, size, "")
-	end
-
-	fs(fmt("style_type[list;size=%f;spacing=%f]", size, spacing),
-	   fmt("list[current_player;main;%f,%f;%u,1;]", inv_x, inv_y, HOTBAR_COUNT))
-
-	if bag then
-		if bag == 1 then
-			width, size = 10, 0.892
-		elseif bag == 2 then
-			width, size = 11, 0.8
-		elseif bag == 3 then
-			width, size = 12, 0.726
-		end
-	end
-
-	fs(fmt("style_type[list;size=%f;spacing=%f]", size, spacing),
-	   fmt("list[current_player;main;%f,%f;%u,%u;%u]", inv_x, inv_y + 1.15,
-		width, (bag and BAG_SIZES[data.bag_size] or INV_SIZE) / width, HOTBAR_COUNT),
-	   "style_type[list;size=1;spacing=0.15]")
-
-	fs("listring[current_player;craft]listring[current_player;main]")
-end
-
-local function get_inventory_fs(player, data, fs)
-	fs("listcolors[#bababa50;#bababa99]")
-
-	get_inv_slots(data, fs)
-
-	local props = player:get_properties()
-	local name = player:get_player_name()
-
-	local ctn_len, ctn_hgt = 5.7, 6.3
-	local yoffset = 0
-
-	if props.mesh ~= "" then
-		local anim = player:get_local_animation()
-		local armor_skin = __3darmor or __skinsdb
-		local t = {}
-
-		for _, v in ipairs(props.textures) do
-			t[#t + 1] = ESC(v):gsub(",", "!")
-		end
-
-		local textures = concat(t, ","):gsub("!", ",")
-
-		--fs("style[player_model;bgcolor=black]")
-		fs("model", 0.2, 0.2, armor_skin and 4 or 3.4, ctn_hgt,
-			"player_model", props.mesh, textures, "0,-150", "false", "false",
-			fmt("%u,%u%s", anim.x, anim.y, data.fs_version >= 5 and ";30" or ""))
-	else
-		local size = 2.5
-		fs("image", 0.7, 0.2, size, size * props.visual_size.y, props.textures[1])
-	end
-
-	local award_list, award_list_nb
-	local awards_unlocked = 0
-	local max_val = damage_enabled and 12 or 7
-
-	if __3darmor and data.subcat == 2 then
-		if data.scrbar_inv >= max_val then
-			data.scrbar_inv = data.scrbar_inv + 10
-		end
-
-		max_val = max_val + 10
-
-	elseif __awards and data.subcat == 4 then
-		award_list = awards.get_award_states(name)
-		award_list_nb = #award_list
-
-		for i = 1, award_list_nb do
-			local award = award_list[i]
-
-			if award.unlocked then
-				awards_unlocked = awards_unlocked + 1
-			end
-		end
-
-		max_val = max_val + (award_list_nb * 13)
-
-	elseif data.subcat == 5 then
-		local wp_nb = #data.waypoints
-
-		if wp_nb > 0 then
-			local mul = (wp_nb > 8 and 7) or (wp_nb > 4 and 6) or 5
-			max_val = max_val + 11 + (wp_nb * mul)
-		end
-	end
-
-	fs(fmt([[
-		scrollbaroptions[arrows=hide;thumbsize=%u;max=%u]
-		scrollbar[%f,0.2;0.2,%f;vertical;scrbar_inv;%u]
-		scrollbaroptions[arrows=default;thumbsize=0;max=1000]
-	]],
-	(max_val * 4) / 12, max_val, 9.8, ctn_hgt, data.scrbar_inv))
-
-	fs(fmt("scroll_container[3.9,0.2;%f,%f;scrbar_inv;vertical]", ctn_len, ctn_hgt))
-		get_ctn_content(fs, data, player, yoffset, ctn_len, award_list, awards_unlocked, award_list_nb)
-	fs("scroll_container_end[]")
-
-	local btn = {
-		{"trash", ES"Clear inventory"},
-		{"sort_az", ES"Sort items (A-Z)"},
-		{"sort_za", ES"Sort items (Z-A)"},
-		{"compress", ES"Compress items"},
-	}
-
-	for i, v in ipairs(btn) do
-		local btn_name, tooltip = unpack(v)
-
-		fs(fmt("style[%s;fgimg=%s;fgimg_hovered=%s;content_offset=0]",
-			btn_name, PNG[btn_name], PNG[fmt("%s_hover", btn_name)]))
-
-		fs("image_button", i + 3.447 - (i * 0.4), 11.43, 0.35, 0.35, "", btn_name, "")
-		fs(fmt("tooltip[%s;%s]", btn_name, tooltip))
-	end
-
-	if data.confirm_trash then
-		fs("style_type[box;colors=#999,#999,#808080,#808080]")
-
-		for _ = 1, 3 do
-			fs("box", 2.97, 10.75, 4.3, 0.5, "")
-		end
-
-		fs("label", 3.12, 11, "Confirm trash?")
-		fs("image_button", 5.17, 10.75, 1, 0.5, "", "confirm_trash_yes", "Yes")
-		fs("image_button", 6.27, 10.75, 1, 0.5, "", "confirm_trash_no", "No")
-	end
-end
-
 i3.new_tab {
 	name = "inventory",
 	description = S"Inventory",
@@ -2599,7 +1071,7 @@ i3.new_tab {
 
 		for field in pairs(fields) do
 			if sub(field, 1, 4) == "btn_" then
-				data.subcat = indexof(SUBCAT, sub(field, 5))
+				data.subcat = indexof(i3.SUBCAT, sub(field, 5))
 				break
 
 			elseif find(field, "waypoint_%d+") then
@@ -2741,16 +1213,16 @@ core.register_on_player_inventory_action(function(player, _, _, info)
 end)
 
 if rawget(_G, "armor") then
-	__3darmor = true
+	i3.modules.armor = true
 	armor:register_on_update(set_fs)
 end
 
 if rawget(_G, "skins") then
-	__skinsdb = true
+	i3.modules.skins = true
 end
 
 if rawget(_G, "awards") then
-	__awards = true
+	i3.modules.awards = true
 
 	core.register_on_craft(function(_, player)
 		set_fs(player)
@@ -2777,7 +1249,7 @@ end)
 
 core.register_on_priv_grant(function(name, _, priv)
 	if priv == "creative" or priv == "all" then
-		local data = pdata[name]
+		local data = i3.data[name]
 		reset_data(data)
 		data.favs = {}
 
@@ -2787,12 +1259,12 @@ core.register_on_priv_grant(function(name, _, priv)
 end)
 
 i3.register_craft_type("digging", {
-	description = ES"Digging",
+	description = S"Digging",
 	icon = "i3_steelpick.png",
 })
 
 i3.register_craft_type("digging_chance", {
-	description = ES"Digging (by chance)",
+	description = S"Digging (by chance)",
 	icon = "i3_mesepick.png",
 })
 
@@ -2822,7 +1294,7 @@ core.register_craft = function(def)
 	old_register_craft(def)
 
 	if def.type == "toolrepair" then
-		toolrepair = def.additional_wear * -100
+		i3.toolrepair = def.additional_wear * -100
 	end
 
 	local output = def.output or (true_str(def.recipe) and def.recipe) or nil
@@ -2866,20 +1338,20 @@ end
 local function resolve_aliases(hash)
 	for oldname, newname in pairs(reg_aliases) do
 		cache_recipes(oldname)
-		local recipes = recipes_cache[oldname]
+		local recipes = i3.recipes_cache[oldname]
 
 		if recipes then
-			if not recipes_cache[newname] then
-				recipes_cache[newname] = {}
+			if not i3.recipes_cache[newname] then
+				i3.recipes_cache[newname] = {}
 			end
 
 			local similar
 
-			for i = 1, #recipes_cache[oldname] do
-				local rcp_old = recipes_cache[oldname][i]
+			for i = 1, #i3.recipes_cache[oldname] do
+				local rcp_old = i3.recipes_cache[oldname][i]
 
-				for j = 1, #recipes_cache[newname] do
-					local rcp_new = copy(recipes_cache[newname][j])
+				for j = 1, #i3.recipes_cache[newname] do
+					local rcp_new = copy(i3.recipes_cache[newname][j])
 					rcp_new.output = oldname
 
 					if table_eq(rcp_old, rcp_new) then
@@ -2889,13 +1361,13 @@ local function resolve_aliases(hash)
 				end
 
 				if not similar then
-					insert(recipes_cache[newname], rcp_old)
+					insert(i3.recipes_cache[newname], rcp_old)
 				end
 			end
 		end
 
-		if newname ~= "" and recipes_cache[oldname] and not hash[newname] then
-			init_items[#init_items + 1] = newname
+		if newname ~= "" and i3.recipes_cache[oldname] and not hash[newname] then
+			i3.init_items[#i3.init_items + 1] = newname
 		end
 	end
 end
@@ -2916,17 +1388,17 @@ local function get_init_items()
 	for name in pairs(_preselect) do
 		cache_usages(name)
 
-		init_items[#init_items + 1] = name
+		i3.init_items[#i3.init_items + 1] = name
 		_select[name] = true
 	end
 
 	resolve_aliases(_select)
-	sort(init_items)
+	sort(i3.init_items)
 
 	if http and true_str(i3.export_url) then
 		local post_data = {
-			recipes = recipes_cache,
-			usages  = usages_cache,
+			recipes = i3.recipes_cache,
+			usages  = i3.usages_cache,
 		}
 
 		http.fetch_async {
@@ -2951,10 +1423,10 @@ end)
 
 local function init_backpack(player)
 	local name = player:get_player_name()
-	local data = pdata[name]
+	local data = i3.data[name]
 	local inv = player:get_inventory()
 
-	--legacy compat
+	-- Legacy compat
 	if data.bag_size and type(data.bag_size) == "string" then
 		local convert = {
 			small = 1,
@@ -2966,18 +1438,18 @@ local function init_backpack(player)
 		data.bag_size = convert[data.bag_size]
 	end
 
-	inv:set_size("main", data.bag_size and BAG_SIZES[data.bag_size] or INV_SIZE)
+	inv:set_size("main", data.bag_size and i3.BAG_SIZES[data.bag_size] or i3.INV_SIZE)
 
 	data.bag = create_inventory(fmt("%s_backpack", name), {
 		allow_put = function(_inv, listname, _, stack)
 			local empty = _inv:get_stack(listname, 1):is_empty()
 			local item_group = minetest.get_item_group(stack:get_name(), "bag")
 
-			if empty and item_group > 0 and item_group <= #BAG_SIZES then
+			if empty and item_group > 0 and item_group <= #i3.BAG_SIZES then
 				return 1
 			end
 
-			msg(name, ES"This is not a backpack")
+			msg(name, S"This is not a backpack")
 
 			return 0
 		end,
@@ -2987,12 +1459,12 @@ local function init_backpack(player)
 			data.bag_item = stackname
 			data.bag_size = minetest.get_item_group(stackname, "bag")
 
-			inv:set_size("main", BAG_SIZES[data.bag_size])
+			inv:set_size("main", i3.BAG_SIZES[data.bag_size])
 			set_fs(player)
 		end,
 
 		on_take = function()
-			for i = INV_SIZE + 1, BAG_SIZES[data.bag_size] do
+			for i = i3.INV_SIZE + 1, i3.BAG_SIZES[data.bag_size] do
 				local stack = inv:get_stack("main", i)
 
 				if not stack:is_empty() then
@@ -3003,7 +1475,7 @@ local function init_backpack(player)
 			data.bag_item = nil
 			data.bag_size = nil
 
-			inv:set_size("main", INV_SIZE)
+			inv:set_size("main", i3.INV_SIZE)
 			set_fs(player)
 		end,
 	})
@@ -3017,7 +1489,7 @@ end
 
 local function init_waypoints(player)
 	local name = player:get_player_name()
-	local data = pdata[name]
+	local data = i3.data[name]
 	data.waypoints = data.waypoints or {}
 
 	for _, v in ipairs(data.waypoints) do
@@ -3040,8 +1512,8 @@ core.register_on_joinplayer(function(player)
 	local name = player:get_player_name()
 	local info = core.get_player_information and core.get_player_information(name)
 
-	if not info or get_formspec_version(info) < MIN_FORMSPEC_VERSION then
-		pdata[name] = nil
+	if not info or get_formspec_version(info) < i3.MIN_FORMSPEC_VERSION then
+		i3.data[name] = nil
 		return outdated(name)
 	end
 
@@ -3050,14 +1522,14 @@ core.register_on_joinplayer(function(player)
 	init_waypoints(player)
 
 	after(0, function()
-		player:hud_set_hotbar_itemcount(HOTBAR_COUNT)
-		player:hud_set_hotbar_image(PNG.hotbar)
+		player:hud_set_hotbar_itemcount(i3.HOTBAR_LEN)
+		player:hud_set_hotbar_image("i3_hotbar.png")
 	end)
 end)
 
 core.register_on_dieplayer(function(player)
 	local name = player:get_player_name()
-	local data = pdata[name]
+	local data = i3.data[name]
 	if not data then return end
 
 	if data.bag_size then
@@ -3066,36 +1538,28 @@ core.register_on_dieplayer(function(player)
 		data.bag:set_list("main", {})
 
 		local inv = player:get_inventory()
-		inv:set_size("main", INV_SIZE)
+		inv:set_size("main", i3.INV_SIZE)
 	end
 
 	set_fs(player)
 end)
 
-local META_SAVES = {
-	bag_item = true,
-	bag_size = true,
-	waypoints = true,
-	inv_items = true,
-	known_recipes = true,
-}
-
 local function save_data(player_name)
-	local _pdata = copy(pdata)
+	local _data = copy(i3.data)
 
-	for name, v in pairs(_pdata) do
+	for name, v in pairs(_data) do
 	for dat in pairs(v) do
-		if not META_SAVES[dat] then
-			_pdata[name][dat] = nil
+		if not i3.META_SAVES[dat] then
+			_data[name][dat] = nil
 
-			if player_name and pdata[player_name] then
-				pdata[player_name][dat] = nil -- To free up some memory
+			if player_name and i3.data[player_name] then
+				i3.data[player_name][dat] = nil -- To free up some memory
 			end
 		end
 	end
 	end
 
-	storage:set_string("pdata", slz(_pdata))
+	storage:set_string("data", slz(_data))
 end
 
 core.register_on_leaveplayer(function(player)
@@ -3107,10 +1571,10 @@ core.register_on_shutdown(save_data)
 
 local function routine()
 	save_data()
-	after(SAVE_INTERVAL, routine)
+	after(i3.SAVE_INTERVAL, routine)
 end
 
-after(SAVE_INTERVAL, routine)
+after(i3.SAVE_INTERVAL, routine)
 
 core.register_on_player_receive_fields(function(player, formname, fields)
 	local name = player:get_player_name()
@@ -3121,7 +1585,7 @@ core.register_on_player_receive_fields(function(player, formname, fields)
 		return false
 	end
 
-	local data = pdata[name]
+	local data = i3.data[name]
 	if not data then return end
 
 	for f in pairs(fields) do
@@ -3138,7 +1602,7 @@ core.register_on_player_receive_fields(function(player, formname, fields)
 
 	rcp_fields(player, data, fields)
 
-	local tab = tabs[data.current_tab]
+	local tab = i3.tabs[data.current_tab]
 
 	if tab and tab.fields then
 		return true, tab.fields(player, data, fields)
@@ -3149,7 +1613,7 @@ end)
 
 core.register_on_player_hpchange(function(player, hpchange)
 	local name = player:get_player_name()
-	local data = pdata[name]
+	local data = i3.data[name]
 	if not data then return end
 
 	local hp_max = player:get_properties().hp_max
@@ -3159,242 +1623,7 @@ core.register_on_player_hpchange(function(player, hpchange)
 end)
 
 if progressive_mode then
-	local function item_in_inv(item, inv_items)
-		local inv_items_size = #inv_items
-
-		if is_group(item) then
-			local groups = extract_groups(item)
-
-			for i = 1, inv_items_size do
-				local def = reg_items[inv_items[i]]
-
-				if def then
-					if item_has_groups(def.groups, groups) then
-						return true
-					end
-				end
-			end
-		else
-			for i = 1, inv_items_size do
-				if inv_items[i] == item then
-					return true
-				end
-			end
-		end
-	end
-
-	local function recipe_in_inv(rcp, inv_items)
-		for _, item in pairs(rcp.items) do
-			if not item_in_inv(item, inv_items) then return end
-		end
-
-		return true
-	end
-
-	local function progressive_filter(recipes, player)
-		if not recipes then
-			return {}
-		end
-
-		local name = player:get_player_name()
-		local data = pdata[name]
-
-		if #data.inv_items == 0 then
-			return {}
-		end
-
-		local filtered, c = {}, 0
-
-		for i = 1, #recipes do
-			local recipe = recipes[i]
-			if recipe_in_inv(recipe, data.inv_items) then
-				c = c + 1
-				filtered[c] = recipe
-			end
-		end
-
-		return filtered
-	end
-
-	local item_lists = {"main", "craft", "craftpreview"}
-
-	local function get_inv_items(player)
-		local inv = player:get_inventory()
-		local stacks = {}
-
-		for i = 1, #item_lists do
-			local list = inv:get_list(item_lists[i])
-			table_merge(stacks, list)
-		end
-
-		local inv_items, c = {}, 0
-
-		for i = 1, #stacks do
-			local stack = stacks[i]
-
-			if not stack:is_empty() then
-				local name = stack:get_name()
-				if reg_items[name] then
-					c = c + 1
-					inv_items[c] = name
-				end
-			end
-		end
-
-		return inv_items
-	end
-
-	local function init_hud(player, data)
-		data.hud = {
-			bg = player:hud_add {
-				hud_elem_type = "image",
-				position      = {x = 0.78, y = 1},
-				alignment     = {x = 1,    y = 1},
-				scale         = {x = 370,  y = 112},
-				text          = PNG.bg,
-				z_index       = 0xDEAD,
-			},
-
-			book = player:hud_add {
-				hud_elem_type = "image",
-				position      = {x = 0.79, y = 1.02},
-				alignment     = {x = 1,    y = 1},
-				scale         = {x = 4,    y = 4},
-				text          = PNG.book,
-				z_index       = 0xDEAD,
-			},
-
-			text = player:hud_add {
-				hud_elem_type = "text",
-				position      = {x = 0.84, y = 1.04},
-				alignment     = {x = 1,    y = 1},
-				number        = 0xffffff,
-				text          = "",
-				z_index       = 0xDEAD,
-				style         = 1,
-			},
-		}
-	end
-
-	local function show_hud_success(player, data)
-		-- It'd better to have an engine function `hud_move` to only need
-		-- 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) + dt
-		end
-
-		if data.show_hud 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 - (dt / 5)
-				})
-			end
-
-			player:hud_change(data.hud.text, "text",
-				fmt("%u new recipe%s unlocked!",
-					data.discovered, data.discovered > 1 and "s" or ""))
-
-		elseif data.show_hud == false 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 + (dt / 5)
-					})
-				end
-
-				if hud_info_bg.position.y >= 1 then
-					data.show_hud = nil
-					data.hud_timer = nil
-				end
-			end
-		end
-	end
-
-	-- Workaround. Need an engine call to detect when the contents of
-	-- the player inventory changed, instead.
-	local function poll_new_items()
-		local players = core.get_connected_players()
-
-		for i = 1, #players do
-			local player = players[i]
-			local name = player:get_player_name()
-			local data = pdata[name]
-			if not data then return end
-
-			local inv_items = get_inv_items(player)
-			local diff = array_diff(inv_items, data.inv_items)
-
-			if #diff > 0 then
-				data.inv_items = table_merge(diff, data.inv_items)
-				local oldknown = data.known_recipes or 0
-				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
-
-				data.items_raw = items
-				data.current_itab = 1
-
-				search(data)
-				set_fs(player)
-			end
-		end
-
-		after(POLL_FREQ, poll_new_items)
-	end
-
-	poll_new_items()
-
-	if singleplayer then
-		core.register_globalstep(function()
-			local name = "singleplayer"
-			local player = core.get_player_by_name(name)
-			local data = pdata[name]
-
-			if data and data.show_hud ~= nil then
-				show_hud_success(player, data)
-			end
-		end)
-	end
-
-	i3.add_recipe_filter("Default progressive filter", progressive_filter)
-
-	core.register_on_joinplayer(function(player)
-		local name = player:get_player_name()
-		local data = pdata[name]
-		if not data then return end
-
-		data.inv_items = data.inv_items or {}
-		data.known_recipes = data.known_recipes or 0
-
-		local oldknown = data.known_recipes
-		local items = get_filtered_items(player, data)
-		data.discovered = data.known_recipes - oldknown
-
-		data.items_raw = items
-		search(data)
-
-		if singleplayer then
-			init_hud(player, data)
-
-			if data.show_hud == nil and data.discovered > 0 then
-				data.show_hud = true
-			end
-		end
-	end)
+	dofile(modpath .. "/etc/progressive.lua")
 end
 
 local bag_recipes = {