Bump version

API.md

@@ -1,6 +1,19 @@
-## API
+# API :screwdriver:
 
-### Custom tabs
+### Table of Contents
+1. [**Tabs**](https://github.com/minetest-mods/i3/blob/main/API.md#tabs)
+2. [**Recipes**](https://github.com/minetest-mods/i3/blob/main/API.md#recipes)
+3. [**Minitabs**](https://github.com/minetest-mods/i3/blob/main/API.md#minitabs)
+4. [**Recipe filters**](https://github.com/minetest-mods/i3/blob/main/API.md#recipe-filters)
+5. [**Search filters**](https://github.com/minetest-mods/i3/blob/main/API.md#search-filters)
+6. [**Sorting methods**](https://github.com/minetest-mods/i3/blob/main/API.md#sorting-methods)
+7. [**Item list compression**](https://github.com/minetest-mods/i3/blob/main/API.md#item-list-compression)
+8. [**Waypoints**](https://github.com/minetest-mods/i3/blob/main/API.md#waypoints)
+9. [**Miscellaneous**](https://github.com/minetest-mods/i3/blob/main/API.md#miscellaneous)
+
+---
+
+### Tabs
 
 #### `i3.new_tab(name, def)`
 
@@ -13,6 +26,7 @@ Custom tabs can be added to the `i3` inventory as follow (example):
 i3.new_tab("stuff", {
 	description = "Stuff",
 	image = "image.png", -- Optional, add an image next to the tab description
+	slots = true -- Optional, whether the inventory slots are shown or not. Disabled by default.
 
 	--
 	-- The functions below are all optional
@@ -36,7 +50,7 @@ i3.new_tab("stuff", {
 			-- Do things
 		end
 
-		i3.set_fs(player) -- Update the formspec, mandatory
+		-- No need to update the formspec, it's automatic
 	end,
 })
 ```
@@ -72,7 +86,7 @@ A list of registered tabs.
 
 ---
 
-### Custom recipes
+### Recipes
 
 Custom recipes are nonconventional crafts outside the main crafting grid.
 They can be registered in-game dynamically and have a size beyond 3x3 items.
@@ -164,6 +178,53 @@ i3.register_craft {
 
 ---
 
+### Minitabs
+
+Manage the tabs on the right panel of the inventory.
+Allow to make a sensible list sorted by specific groups of items.
+
+#### `i3.new_minitab(name, def)`
+
+Add a new minitab (limited to 6).
+
+- `name` is the tab name.
+- `def` is the definition table.
+
+Example:
+
+```Lua
+i3.new_minitab("test", {
+	description = "Test",
+
+	-- Whether this tab is visible or not. Optional.
+	access = function(player, data)
+		return player:get_player_name() == "singleplayer"
+	end,
+
+	-- Whether a specific item is shown in the list or not.
+	sorter = function(item, data)
+		return item:find"wood"
+	end
+})
+
+```
+
+- `player` is an `ObjectRef` to the user.
+- `data` are the user data.
+- `item` is an item name string.
+
+#### `i3.remove_minitab(name)`
+
+Remove a minitab by name.
+
+- `name` is the name of the tab to remove.
+
+#### `i3.minimap`
+
+A list of registered minitabs.
+
+---
+
 ### Recipe filters
 
 Recipe filters can be used to filter the recipes shown to players. Progressive

LICENSE

@@ -3,7 +3,7 @@ License of source code
 
 The MIT License (MIT)
 
-Copyright (c) 2020-2021 Jean-Patrick Guerrero and contributors.
+Copyright (c) 2020-2023 Jean-Patrick Guerrero and contributors.
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
@@ -28,10 +28,12 @@ Licenses of media (sounds)
 
 Lone_Wolf (CC0):
   i3_tab.ogg
-  i3_craft.ogg
   i3_click.ogg
   i3_cannot.ogg
 
+MadPanCake (CC0):
+  i3_craft.ogg (https://freesound.org/people/MadPanCake/sounds/567849/)
+
 Licenses of media (textures)
 ----------------------------
 

init.lua

@@ -20,7 +20,7 @@ local function lf(path)
 end
 
 i3 = {
-	version = 1131,
+	version = 1151,
 	data = core.deserialize(storage:get_string"data") or {},
 
 	settings = {
@@ -34,7 +34,7 @@ i3 = {
 		save_interval = 600, -- Player data save interval (in seconds)
 
 		hud_speed = 1,
-		hud_timer_max = 1.5,
+		hud_timer_max = 3,
 
 		damage_enabled = core.settings:get_bool"enable_damage",
 		progressive_mode = core.settings:get_bool"i3_progressive_mode",
@@ -101,6 +101,7 @@ i3 = {
 	groups = {},
 	plants = {},
 	modules = {},
+	minitabs = {},
 	craft_types = {},
 
 	recipe_filters = {},
@@ -112,6 +113,7 @@ i3.files.common()
 i3.files.api(http)
 i3.files.compress()
 i3.files.detached()
+i3.files.fields()
 i3.files.groups()
 i3.files.callbacks(http, storage)
 

src/api.lua

@@ -196,7 +196,7 @@ end
 i3.new_tab("inventory", {
 	description = S"Inventory",
 	formspec = get_inventory_fs,
-	fields = i3.files.fields(),
+	slots = true,
 })
 
 function i3.remove_tab(name)
@@ -204,7 +204,7 @@ function i3.remove_tab(name)
 		return err "i3.remove_tab: tab name missing"
 	end
 
-	for i = #i3.tabs, 1, -1 do
+	for i = #i3.tabs, 2, -1 do
 		local def = i3.tabs[i]
 		if def and name == def.name then
 			remove(i3.tabs, i)
@@ -430,3 +430,53 @@ function i3.get_waypoints(player_name)
 
 	return data.waypoints
 end
+
+function i3.new_minitab(name, def)
+	if #i3.minitabs == 6 then
+		return err "i3.new_minitab: limit reached (6)"
+	elseif not true_str(name) then
+		return err "i3.new_minitab: name missing"
+	elseif not true_table(def) then
+		return err "i3.new_minitab: definition missing"
+	end
+
+	def.name = name
+	insert(i3.minitabs, def)
+end
+
+function i3.remove_minitab(name)
+	if not true_str(name) then
+		return err "i3.remove_minitab: name missing"
+	end
+
+	for i = #i3.minitabs, 2, -1 do
+		local v = i3.minitabs[i]
+		if v and v.name == name then
+			remove(i3.minitabs, i)
+		end
+	end
+end
+
+i3.new_minitab("all", {
+	description = "All",
+
+	sorter = function()
+		return true
+	end
+})
+
+i3.new_minitab("nodes", {
+	description = "Nodes",
+
+	sorter = function(item)
+		return core.registered_nodes[item]
+	end
+})
+
+i3.new_minitab("items", {
+	description = "Items",
+
+	sorter = function(item)
+		return core.registered_craftitems[item] or core.registered_tools[item]
+	end
+})

src/caches.lua

@@ -1,7 +1,7 @@
 local replacements = {fuel = {}}
 local http = ...
 
-IMPORT("maxn", "copy", "insert", "sort", "match", "sub")
+IMPORT("copy", "insert", "sort", "match", "sub")
 IMPORT("true_str", "is_table", "valid_item", "table_merge", "table_replace", "table_eq")
 IMPORT("fmt", "reg_items", "reg_aliases", "reg_nodes", "is_cube", "get_cube", "ItemStack")
 IMPORT("is_group", "extract_groups", "item_has_groups", "groups_to_items", "get_group_stereotype")
@@ -178,17 +178,7 @@ local function cache_recipes(item)
 			_recipes[#recipes + 1 - k] = v
 		end
 
-		local shift = 0
-		local size_rpl = maxn(replacements[item])
-		local size_rcp = #_recipes
-
-		if size_rpl > size_rcp then
-			shift = size_rcp - size_rpl
-		end
-
 		for k, v in pairs(replacements[item]) do
-			k += shift
-
 			if _recipes[k] then
 				_recipes[k].replacements = v
 			end

src/common.lua

@@ -360,13 +360,8 @@ local function sort_by_category(data)
 
 	for i = 1, #items do
 		local item = items[i]
-		local to_add = true
-
-		if data.itab == 2 then
-			to_add = core.registered_nodes[item]
-		elseif data.itab == 3 then
-			to_add = core.registered_craftitems[item] or core.registered_tools[item]
-		end
+		local tab = i3.minitabs[data.itab]
+		local to_add = tab.sorter(item, data)
 
 		if to_add then
 			insert(new, item)
@@ -413,6 +408,11 @@ local function get_stack(player, stack)
 	end
 end
 
+local function get_group_items(name)
+	local groups = extract_groups(name)
+	return i3.groups[name:sub(7)].items or groups_to_items(groups)
+end
+
 local function craft_stack(player, data, craft_rcp)
 	local inv = player:get_inventory()
 	local rcp_usg = craft_rcp and "recipe" or "usage"
@@ -427,32 +427,42 @@ local function craft_stack(player, data, craft_rcp)
 
 		if is_group(name) then
 			items = {}
-			local groups = extract_groups(name)
-			local groupname = name:sub(7)
-			local item_groups = i3.groups[groupname].items or groups_to_items(groups)
+			local item_groups = get_group_items(name)
 			local remaining = count
 
 			for _, item in ipairs(item_groups) do
-			for _name, _count in pairs(data.crafting_counts[rcp_usg].inv) do
-				if item == _name and remaining > 0 then
-					local c = min(remaining, _count)
-					items[item] = c
-					remaining -= c
+				for _name, _count in pairs(data.crafting_counts[rcp_usg].inv) do
+					if item == _name and remaining > 0 then
+						local c = min(remaining, _count)
+						items[item] = c
+						remaining -= c
+					end
+
+					if remaining == 0 then break end
 				end
-
-				if remaining == 0 then break end
-			end
 			end
 		end
 
-		for k, v in pairs(items) do
-			inv:remove_item("main", fmt("%s %s", k, v * scrbar_val))
-		end
-	end
+		for item, v in pairs(items) do
+			for _ = 1, v * scrbar_val do
+				inv:remove_item("main", item)
 
-	if rcp_def.replacements then
-		for _, pair in ipairs(rcp_def.replacements) do
-			get_stack(player, ItemStack(pair[2]))
+				for _, pair in ipairs(rcp_def.replacements or {}) do
+					local old_name, new_name = unpack(pair)
+
+					if is_group(old_name) then
+						local item_groups = get_group_items(old_name)
+
+						for _, it in ipairs(item_groups) do
+							if item == it then
+								get_stack(player, ItemStack(new_name))
+							end
+						end
+					elseif item == old_name then
+						get_stack(player, ItemStack(new_name))
+					end
+				end
+			end
 		end
 	end
 

src/fields.lua

@@ -211,8 +211,6 @@ local function inv_fields(player, data, fields)
 	elseif fields.hide_debug_grid then
 		data.hide_debug_grid = not data.hide_debug_grid
 	end
-
-	return set_fs(player)
 end
 
 local function select_item(player, data, fields)
@@ -465,11 +463,15 @@ core.register_on_player_receive_fields(function(player, formname, fields)
 
 	local tab = i3.tabs[data.tab]
 
-	if tab and tab.fields then
-		return true, tab.fields(player, data, fields)
+	if tab then
+		if tab.slots then
+			inv_fields(player, data, fields)
+		end
+
+		if tab.fields then
+			tab.fields(player, data, fields)
+		end
 	end
 
 	return true, set_fs(player)
 end)
-
-return inv_fields

src/gui.lua

@@ -124,33 +124,13 @@ local function get_stack_max(inv, data, is_recipe, rcp)
 		end
 	end
 
-	return max_stacks
-end
+	local missing = {}
 
-local function get_inv_slots(data, fs)
-	local legacy_inventory = data.legacy_inventory
-	local hotbar_len = data.hotbar_len
-	local inv_x = legacy_inventory and 0.23 or 0.22
-	local inv_y = legacy_inventory and 6.7 or 6.9
-	local spacing = legacy_inventory and 0.25 or 0.1
-	local size = 1
-
-	fs"style_type[box;colors=#77777710,#77777710,#777,#777]"
-
-	for i = 0, hotbar_len - 1 do
-		box(i * size + inv_x + (i * spacing), inv_y, size, size, "")
+	for item, count in pairs(counts_rcp) do
+		missing[item] = max(0, count - (counts_inv[item] or 0))
 	end
 
-	fs("style_type[list;size=%f;spacing=%f]", size, spacing)
-	fs("list[current_player;main;%f,%f;%u,1;]", inv_x, inv_y, hotbar_len)
-
-	fs("style_type[list;size=%f;spacing=%f,%f]", size, spacing, legacy_inventory and 0.15 or spacing)
-
-	fs("list[current_player;main;%f,%f;%u,%u;%u]", inv_x, inv_y + (legacy_inventory and 1.25 or 1.15),
-		hotbar_len, data.inv_size / hotbar_len, hotbar_len)
-
-	fs"style_type[list;size=1;spacing=0.15]"
-	fs"listring[current_player;craft]listring[current_player;main]"
+	return max_stacks, missing
 end
 
 local function add_subtitle(fs, name, y, ctn_len, font_size, sep, label)
@@ -332,7 +312,7 @@ local function get_waypoint_fs(fs, data, player, yextra, ctn_len)
 		label(0.15, y + 0.33, clr(fmt("#%s", hex), waypoint_name))
 
 		local tooltip = fmt("Name: %s\nPosition:%s", clr("#dbeeff", v.name),
-					v.pos:sub(2,-2):gsub("(%-*%d*%.?%d+)", clr("#dbeeff", " %1")))
+			v.pos:sub(2,-2):gsub("(%-*%d*%.?%d+)", clr("#dbeeff", " %1")))
 
 		if teleport_priv then
 			tooltip = fmt("%s\n%s", tooltip, clr("#ff0", ES"[Click to teleport]"))
@@ -625,7 +605,9 @@ local function show_settings(fs, data)
 			end
 
 			hypertext(2.2, 9.9, 6, 0.6, "home_pos", fmt("<global size=16><center>%s</center>", str))
-			image_button(4.3, 10.4, 1.8, 0.7, "", "set_home", "Set home")
+			fs("style[set_home;padding=20,10,-210,-10;fgimg=%s;fgimg_hovered=%s]", PNG.home_px, PNG.home_px_hover)
+			image_button(4.1, 10.4, 2.2, 0.7, "", "set_home", "")
+			label(4.9, 10.75, "Set home")
 
 		elseif show_style then
 			checkbox(2.6, 9.95, "cb_hide_tabs", "Hide tabs", tostring(data.hide_tabs))
@@ -688,11 +670,53 @@ local function show_settings(fs, data)
 	end
 end
 
+local function get_footer(fs, data)
+	local btn = {
+		{"trash",    ES"Clear inventory"},
+		{"sort",     ES"Sort inventory"},
+		{"settings", ES"Settings"},
+		{"home",     ES"Go home"},
+	}
+
+	for i, v in ipairs(btn) do
+		local btn_name, tooltip = unpack(v)
+		fs("style[%s;fgimg=%s;fgimg_hovered=%s;content_offset=0]",
+			btn_name, PNG[btn_name], PNG[fmt("%s_hover", btn_name)])
+		image_button(i + 3.43 - (i * 0.4), 11.43, 0.35, 0.35, "", btn_name, "")
+		fs("tooltip[%s;%s]", btn_name, tooltip)
+	end
+
+	show_settings(fs, data)
+end
+
+local function get_slots(fs, data)
+	local legacy_inventory = data.legacy_inventory
+	local hotbar_len = data.hotbar_len
+	local inv_x = legacy_inventory and 0.23 or 0.22
+	local inv_y = legacy_inventory and 6.7 or 6.9
+	local spacing = legacy_inventory and 0.25 or 0.1
+	local size = 1
+
+	fs"style_type[box;colors=#77777710,#77777710,#777,#777]"
+
+	for i = 0, hotbar_len - 1 do
+		box(i * size + inv_x + (i * spacing), inv_y, size, size, "")
+	end
+
+	fs("style_type[list;size=%f;spacing=%f]", size, spacing)
+	fs("list[current_player;main;%f,%f;%u,1;]", inv_x, inv_y, hotbar_len)
+
+	fs("style_type[list;size=%f;spacing=%f,%f]", size, spacing, legacy_inventory and 0.15 or spacing)
+
+	fs("list[current_player;main;%f,%f;%u,%u;%u]", inv_x, inv_y + (legacy_inventory and 1.25 or 1.15),
+		hotbar_len, data.inv_size / hotbar_len, hotbar_len)
+
+	fs"listring[current_player;craft]listring[current_player;main]"
+
+	get_footer(fs, data)
+end
+
 local function get_inventory_fs(player, data, fs)
-	fs"listcolors[#bababa50;#bababa99]"
-
-	get_inv_slots(data, fs)
-
 	local props = player:get_properties()
 	local ctn_len = 5.7
 	local ctn_hgt = data.legacy_inventory and 6.1 or 6.3
@@ -772,23 +796,6 @@ local function get_inventory_fs(player, data, fs)
 	fs("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, bag_size)
 	fs"scroll_container_end[]"
-
-	local btn = {
-		{"trash",    ES"Clear inventory"},
-		{"sort",     ES"Sort inventory"},
-		{"settings", ES"Settings"},
-		{"home",     ES"Go home"},
-	}
-
-	for i, v in ipairs(btn) do
-		local btn_name, tooltip = unpack(v)
-		fs("style[%s;fgimg=%s;fgimg_hovered=%s;content_offset=0]",
-			btn_name, PNG[btn_name], PNG[fmt("%s_hover", btn_name)])
-		image_button(i + 3.43 - (i * 0.4), 11.43, 0.35, 0.35, "", btn_name, "")
-		fs("tooltip[%s;%s]", btn_name, tooltip)
-	end
-
-	show_settings(fs, data)
 end
 
 local function get_tooltip(item, info, lang_code)
@@ -946,6 +953,12 @@ local function get_output_fs(fs, data, rcp, is_recipe, is_usage, shapeless, righ
 	local itemstr = ESC(item:to_string())
 	item_image_button(X + 0.11, Y, BTN_SIZE, BTN_SIZE, itemstr, _name, "")
 
+	local stackmax = item:get_stack_max()
+
+	if stackmax == 1 and count > 1 then
+		label(X + 1.05, Y + 1, count)
+	end
+
 	local def = reg_items[name]
 	local unknown = not def or nil
 	local desc = def and def.description
@@ -1044,11 +1057,9 @@ local function get_grid_fs(fs, data, rcp, is_recipe, is_usage)
 		local label = groups and "\nG" or ""
 		local replace
 
-		for j = 1, #(rcp.replacements or {}) do
-			local replacement = rcp.replacements[j]
+		for _, replacement in ipairs(rcp.replacements or {}) do
 			if replacement[1] == name then
 				replace = replace or {type = rcp.type, items = {}}
-
 				local added
 
 				for _, v in ipairs(replace.items) do
@@ -1059,12 +1070,17 @@ local function get_grid_fs(fs, data, rcp, is_recipe, is_usage)
 				end
 
 				if not added then
-					label = fmt("%s%s\nR", label ~= "" and "\n" or "", label)
+					label = fmt("%s\nR", label)
 					insert(replace.items, replacement[2])
 				end
 			end
 		end
 
+		local _, count_sub = label:gsub("\n", "")
+		if count_sub == 2 then
+			label = label:sub(2)
+		end
+
 		if not large_recipe then
 			slot(X, Y, btn_size, btn_size)
 		end
@@ -1087,7 +1103,14 @@ local function get_grid_fs(fs, data, rcp, is_recipe, is_usage)
 			item:set_name(name)
 			item:set_count(count)
 			local itemstr = ESC(item:to_string())
+
 			item_image_button(X, Y, btn_size, btn_size, itemstr, btn_name, label)
+
+			local stackmax = item:get_stack_max()
+
+			if stackmax == 1 and count > 1 then
+				label(X + 0.95, Y + 0.95, count)
+			end
 		end
 
 		local def = reg_items[name]
@@ -1298,9 +1321,10 @@ local function get_crafting_fs(fs, data, is_recipe, is_usage, max_stacks_rcp, ma
 	fs("scrollbaroptions[min=1;max=%u;smallstep=1]", craft_max)
 
 	scrollbar(x + 0.2, data.yoffset + 1.45, 2.5, 0.35, "horizontal", fmt("scrbar_%s", name), stack_fs)
-	button(x + 0.2, data.yoffset + 1.85, 2.5, 0.7, fmt("craft_%s", name), ES("Craft (×@1)", stack_fs))
+	button(x + 0.2, data.yoffset + 1.9, 2.5, 0.7, fmt("craft_%s", name), ES("Craft (×@1)", stack_fs))
 
 	fs"style_type[label;font_size=16;textcolor=#fff]"
+	fs"style_type[image,button,image_button;noclip=false]"
 end
 
 local function get_rcp_extra(fs, data, player, panel, is_recipe, is_usage)
@@ -1310,15 +1334,15 @@ local function get_rcp_extra(fs, data, player, panel, is_recipe, is_usage)
 	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 max_stacks_rcp, max_stacks_usg, missing_rcp, missing_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])
+			max_stacks_rcp, missing_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])
+			max_stacks_usg, missing_usg = get_stack_max(inv, data, is_recipe, panel.rcp[data.unum])
 		end
 
 		if is_recipe and max_stacks_rcp == 0 then
@@ -1331,6 +1355,23 @@ local function get_rcp_extra(fs, data, player, panel, is_recipe, is_usage)
 
 		if max_stacks_rcp > 0 or max_stacks_usg > 0 then
 			get_crafting_fs(fs, data, is_recipe, is_usage, max_stacks_rcp, max_stacks_usg)
+
+		elseif rcp_ok or usg_ok then
+			local X = data.inv_width + 7.35
+			local Y = data.yoffset + 0.2
+			local missing = is_recipe and missing_rcp or missing_usg
+			local str = ""
+
+			for item, count in pairs(missing) do
+				if count > 0 then
+					local name = is_group(item) and (i3.group_names[item:sub(7)] or item) or
+						get_desc(item, data.lang_code)
+					str = fmt("%s\n%s %s", str, clr("#ff0", count .. '×'), name)
+				end
+			end
+
+			image(X, Y, 0.45, 0.45, PNG.crafting .. "^\\[opacity:100")
+			tooltip(X, Y, 0.45, 0.45, fmt("%s:%s", ES"Missing materials for crafting", str))
 		end
 
 		get_rcp_lbl(fs, data, panel, rn, is_recipe, is_usage)
@@ -1391,7 +1432,20 @@ local function get_header_items_fs(fs, data)
 		end
 
 		box(X + 1, 0.2, 0.01, 0.5, "#bababa50")
-		local cat = {{"all", "all items"}, {"node", "nodes only"}, {"item", "items only"}}
+
+		local cat = {{"all", "all items"}}
+
+		if not recipe_filter_set() then
+			for _, v in ipairs(i3.minitabs) do
+				if v.name == "nodes" then
+					insert(cat, {"node", "nodes only"})
+				end
+
+				if v.name == "items" then
+					insert(cat, {"item", "items only"})
+				end
+			end
+		end
 
 		for i in ipairs(cat) do
 			local name, desc = unpack(cat[i])
@@ -1452,22 +1506,36 @@ local function get_header_items_fs(fs, data)
 	end
 end
 
-local function get_minitabs(fs, data, full_height)
-	local _tabs = {"All", "Nodes", "Items"}
-	local tab_len, tab_hgh = 1.8, 0.5
+local function get_minitabs(fs, data, player, full_height)
+	local minitabs = {}
 
-	for i, title in ipairs(_tabs) do
-		local selected = i == data.itab
+	for i, v in ipairs(i3.minitabs) do
+		local access = v.access
+
+		if access == nil or access(player, data) then
+			minitabs[i] = v.description
+		end
+	end
+
+	local tab_len, tab_hgh, i = 1.8, 0.5, 0
+
+	for id, title in pairs(minitabs) do
+		i++
+		local top = i > 3
+		local X = top and i - 3 or i
+		local selected = id == data.itab
 		local hover_texture = selected and PNG.tab_small_hover or PNG.tab_small
+		local flip = top and "^[transformFY" or ""
+		local tabname = fmt("itab_%u", id)
 
-		fs([[ style_type[image_button;bgimg=%s;bgimg_hovered=%s;
-			bgimg_middle=14,0,-14,-14;padding=-14,0,14,14] ]], hover_texture, PNG.tab_small_hover)
+		fs([[ style[%s;bgimg=%s%s;bgimg_hovered=%s%s;noclip=true;font=bold;font_size=16;
+			textcolor=%s;content_offset=0;sound=i3_tab;bgimg_middle=14,0,-14,-14;padding=-14,0,14,14] ]],
+			tabname, hover_texture, flip, PNG.tab_small_hover, flip, selected and "#fff" or "#bbb")
 
-		fs([[ style_type[image_button;noclip=true;font=bold;font_size=16;
-			textcolor=%s;content_offset=0;sound=i3_tab] ]], selected and "#fff" or "#bbb")
-		fs"style_type[image_button:hovered;textcolor=#fff]"
-		image_button((data.inv_width - 0.65) + (i * (tab_len + 0.1)),
-			full_height, tab_len, tab_hgh, "", fmt("itab_%u", i), title)
+		fs("style[%s:hovered;textcolor=#fff]", tabname)
+
+		image_button((data.inv_width - 0.65) + (X * (tab_len + 0.1)),
+			top and -tab_hgh or full_height, tab_len, tab_hgh, "", tabname, title)
 	end
 end
 
@@ -1515,7 +1583,7 @@ local function get_items_fs(fs, data, player, full_height)
 
 			local item_btn = fmt("item_image_button", X, Y, size, size, name, item, "")
 
-			if recipe_filter_set() then
+			if recipe_filter_set() and data.itab == 1 then
 				if data.items_progress[item] then
 					insert(fs, item_btn)
 				else
@@ -1616,17 +1684,17 @@ local function get_tabs_fs(fs, player, data, full_height)
 		local middle = btm and "16,0,-16,-16" or "16,16,-16,-16"
 		local padding = btm and "-16,0,16,16" or "-16,-16,16,16"
 
-		fs([[ style_type[image_button;bgimg=%s;bgimg_hovered=%s;bgimg_middle=%s;padding=%s] ]],
-			bgimg, bgimg_hover, middle, padding)
+		local tabname = fmt("tab_%s", def.name)
 
-		fs("style_type[image_button;noclip=true;font_size=16;textcolor=%s;content_offset=0;sound=i3_tab]",
-			selected and "#fff" or "#ddd")
+		fs([[ style[%s;bgimg=%s;bgimg_hovered=%s;bgimg_middle=%s;padding=%s;noclip=true;
+			font=bold;font_size=16;textcolor=%s;content_offset=0;sound=i3_tab] ]],
+				tabname, bgimg, bgimg_hover, middle, padding, selected and "#fff" or "#bbb")
 
 		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]"
-		image_button(X, Y, tab_len, tab_hgh, "", fmt("tab_%s", def.name), ESC(def.description))
+		fs("style[%s:hovered;textcolor=#fff]", tabname)
+		image_button(X, Y, tab_len, tab_hgh, "", tabname, ESC(def.description))
 
 		if true_str(def.image) then
 			local desc = translate(data.lang_code, def.description)
@@ -1634,6 +1702,7 @@ local function get_tabs_fs(fs, player, data, full_height)
 
 			fs"style_type[image;noclip=true]"
 			image(X + (tab_len / 2) - ((desc_len * 0.1) / 2) - 0.55, Y + 0.05, 0.35, 0.35, def.image)
+			fs"style_type[image;noclip=false]"
 		end
 
 		c++
@@ -1696,8 +1765,14 @@ local function make_fs(player, data)
 
 	local tab = i3.tabs[data.tab]
 
-	if tab and tab.formspec then
-		tab.formspec(player, data, fs)
+	if tab then
+		if tab.formspec then
+			tab.formspec(player, data, fs)
+		end
+
+		if tab.slots then
+			get_slots(fs, data)
+		end
 	end
 
 	if data.query_item then
@@ -1706,7 +1781,7 @@ local function make_fs(player, data)
 		get_items_fs(fs, data, player, full_height)
 
 		if not data.hide_tabs then
-			get_minitabs(fs, data, full_height)
+			get_minitabs(fs, data, player, full_height)
 		end
 	end
 

src/hud.lua

@@ -15,16 +15,18 @@ local function init_hud(player)
 	data.hud = {
 		bg = player:hud_add {
 			hud_elem_type = "image",
-			position      = {x = 0.78, y = 1},
+			position      = {x = 1,    y = 1},
+			offset        = {x = -320, y = 0},
 			alignment     = {x = 1,    y = 1},
-			scale         = {x = 370,  y = 112},
+			scale         = {x = 300,  y = 105},
 			text          = "i3_bg.png",
 			z_index       = 0xDEAD,
 		},
 
 		img = player:hud_add {
 			hud_elem_type = "image",
-			position      = {x = 0.79, y = 1.02},
+			position      = {x = 1,    y = 1},
+			offset        = {x = -310, y = 20},
 			alignment     = {x = 1,    y = 1},
 			scale         = {x = 1,    y = 1},
 			text          = "",
@@ -33,7 +35,8 @@ local function init_hud(player)
 
 		text = player:hud_add {
 			hud_elem_type = "text",
-			position      = {x = 0.84, y = 1.04},
+			position      = {x = 1,    y = 1},
+			offset        = {x = -235, y = 40},
 			alignment     = {x = 1,    y = 1},
 			number        = 0xffffff,
 			text          = "",
@@ -55,13 +58,12 @@ local function init_hud(player)
 end
 
 local function show_hud(player, data)
-	-- It would 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 = 0.025
+	local dt = 0.016
+	local offset_y = hud_info_bg.offset.y
+	local speed = 5 * i3.settings.hud_speed
 
-	if hud_info_bg.position.y <= 0.9 then
+	if offset_y < -100 then
 		data.show_hud = false
 		data.hud_timer = (data.hud_timer or 0) + dt
 	end
@@ -73,31 +75,34 @@ local function show_hud(player, data)
 	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) * i3.settings.hud_speed)
-			})
-		end
-
-	elseif data.show_hud == false then
-		if data.hud_timer >= i3.settings.hud_timer_max then
-			for _, def in pairs(data.hud) do
+		for name, def in pairs(data.hud) do
+			if name ~= "wielditem" then
 				local hud_info = player:hud_get(def)
 
-				player:hud_change(def, "position", {
-					x = hud_info.position.x,
-					y = hud_info.position.y + ((dt / 5) * i3.settings.hud_speed)
+				player:hud_change(def, "offset", {
+					x = hud_info.offset.x,
+					y = hud_info.offset.y - speed
 				})
 			end
+		end
+	elseif data.show_hud == false then
+		if data.hud_timer >= i3.settings.hud_timer_max then
+			for name, def in pairs(data.hud) do
+				if name ~= "wielditem" then
+					local hud_info = player:hud_get(def)
 
-			if hud_info_bg.position.y >= 1 then
-				data.show_hud = nil
+					player:hud_change(def, "offset", {
+						x = hud_info.offset.x,
+						y = hud_info.offset.y + speed
+					})
+				end
+			end
+
+			if offset_y > 0 then
+				data.show_hud  = nil
 				data.hud_timer = nil
-				data.hud_msg = nil
-				data.hud_img = nil
+				data.hud_msg   = nil
+				data.hud_img   = nil
 			end
 		end
 	end
@@ -113,8 +118,16 @@ core.register_globalstep(function(dt)
 		local data = i3.data[name]
 		if not data then return end
 
+		if data.show_hud ~= nil then
+			show_hud(player, data)
+		end
+
+		local has_text = player:hud_get(data.hud.wielditem).text ~= ""
+
 		if not data.wielditem_hud then
-			player:hud_change(data.hud.wielditem, "text", "")
+			if has_text then
+				player:hud_change(data.hud.wielditem, "text", "")
+			end
 			return
 		end
 
@@ -122,7 +135,7 @@ core.register_globalstep(function(dt)
 		local wieldidx = player:get_wield_index()
 
 		if wieldidx == data.old_wieldidx then
-			if data.timer >= i3.settings.wielditem_fade_after then
+			if data.timer >= i3.settings.wielditem_fade_after and has_text then
 				player:hud_change(data.hud.wielditem, "text", "")
 			end
 			return
@@ -143,21 +156,6 @@ core.register_globalstep(function(dt)
 	end
 end)
 
-core.register_globalstep(function()
-	local players = get_connected_players()
-	players[0] = #players
-
-	for i = 1, players[0] do
-		local player = players[i]
-		local name = player:get_player_name()
-		local data = i3.data[name]
-
-		if data and data.show_hud ~= nil then
-			show_hud(player, data)
-		end
-	end
-end)
-
 local function init_waypoints(player)
 	local name = player:get_player_name()
 	local data = i3.data[name]

src/progressive.lua

@@ -2,9 +2,19 @@ local set_fs = i3.set_fs
 local hud_notif = i3.hud_notif
 local POLL_FREQ = 0.25
 
-IMPORT("reg_items", "reg_nodes")
-IMPORT("fmt", "search", "table_merge", "array_diff")
-IMPORT("is_group", "extract_groups", "item_has_groups", "apply_recipe_filters")
+IMPORT("reg_items", "reg_nodes", "fmt", "table_merge", "array_diff")
+IMPORT("is_group", "extract_groups", "item_has_groups", "apply_recipe_filters", "sort_by_category")
+
+i3.remove_minitab"nodes"
+i3.remove_minitab"items"
+
+i3.new_minitab("unlocked", {
+	description = "Unlocked",
+
+	sorter = function(item, data)
+		return data.items_progress[item]
+	end
+})
 
 local function get_filtered_items(player, data)
 	local items, known = {}, 0
@@ -145,9 +155,8 @@ local function poll_new_items(player, data, join)
 		end
 
 		data.items_progress = items
-		data.itab = 1
 
-		search(data)
+		sort_by_category(data)
 		set_fs(player)
 	end
 

src/styles.lua

@@ -54,6 +54,8 @@ local PNG = {
 	node = "i3_node.png",
 	item = "i3_item.png",
 	cube = "i3_cube.png",
+	home_px = "i3_home_px.png",
+	home_px_hover = "i3_home_px_hover.png",
 
 	cancel_hover = "i3_cancel.png^\\[brighten",
 	search_hover = "i3_search.png^\\[brighten",
@@ -83,6 +85,9 @@ local PNG = {
 }
 
 local styles = string.format([[
+	listcolors[#bababa50;#bababa99]
+
+	style_type[list;size=1;spacing=0.15]
 	style_type[field;border=false;bgcolor=transparent]
 	style_type[label,field;font_size=16]
 	style_type[button;border=false;content_offset=0]

tests/test_tabs.lua

@@ -1,16 +1,32 @@
+local SWITCH
+
 i3.new_tab("test1", {
 	description = "Test 1 Test 1",
 	image = "i3_heart.png",
 
 	formspec = function(player, data, fs)
+		fs("button", 3, 4, 3, 0.8, "test", "Click here")
 		fs("label", 3, 1, "Just a test")
-		fs"label[3,2;Lorem Ipsum]"
+		
+
+		if SWITCH then
+			fs"label[3,2;Button clicked]"
+		else
+			fs"label[3,2;Lorem Ipsum]"
+		end
 	end,
+
+	fields = function(player, data, fields)
+		if fields.test then
+			SWITCH = true
+		end
+	end
 })
 
 i3.new_tab("test2", {
 	description = "Test 2",
 	image = "i3_mesepick.png",
+	slots = true,
 
 	formspec = function(player, data, fs)
 		fs("label[3,1;Test 2]")