Bump version

.luacheckrc

@@ -31,6 +31,7 @@ exclude_files = {
 	"tests/test_custom_recipes.lua",
 	"tests/test_operators.lua",
 	"tests/test_tabs.lua",
+	"tests/test_waypoints.lua",
 
 	".install",
 	".luarocks",

API.md

@@ -12,23 +12,31 @@ Custom tabs can be added to the `i3` inventory as follow (example):
 ```Lua
 i3.new_tab("stuff", {
 	description = "Stuff",
-	image = "image.png", -- Optional, adds an image next to the tab description
+	image = "image.png", -- Optional, add an image next to the tab description
 
-	-- Determine if the tab is visible by a player, `false` or `nil` hide the tab
+	--
+	-- The functions below are all optional
+	--
+
+	-- Determine if the tab is visible by a player, return false to hide the tab
 	access = function(player, data)
 		local name = player:get_player_name()
 		return name == "singleplayer"
 	end,
 
 	formspec = function(player, data, fs)
-		fs"label[3,1;This is just a test]"
+		fs("label", 3, 1, "Just a test")
+		fs"label[3,2;Lorem Ipsum]"
+		-- No need to return anything
 	end,
 
 	-- Events handling happens here
 	fields = function(player, data, fields)
 		if fields.mybutton then
-			do_things()
+			-- Do things
 		end
+
+		i3.set_fs(player) -- Update the formspec, mandatory
 	end,
 })
 ```
@@ -301,6 +309,49 @@ A map of all compressed item groups, indexed by stereotypes.
 
 ---
 
+### Waypoints
+
+`i3` allows you to manage the waypoints of a specific player.
+
+#### `i3.add_waypoint(player_name, def)`
+
+Add a waypoint to specific player.
+
+- `player_name` is the player name.
+- `def` is the waypoint definition table.
+
+Example:
+
+```Lua
+i3.add_waypoint("Test", {
+	player = "singleplayer",
+	pos = {x = 0, y = 2, z = 0},
+	color = 0xffff00,
+--	image = "heart.png" (optional)
+})
+```
+
+#### `i3.remove_waypoint(player_name, waypoint_name)`
+
+Remove a waypoint for specific player.
+
+- `player_name` is the player name.
+- `waypoint_name` is the waypoint name.
+
+Example:
+
+```Lua
+i3.remove_waypoint("singleplayer", "Test")
+```
+
+#### `i3.get_waypoints(player_name)`
+
+Return a table of all waypoints of a specific player.
+
+- `player_name` is the player name.
+
+---
+
 ### Miscellaneous
 
 #### `i3.hud_notif(name, msg[, img])`

LICENSE

@@ -23,6 +23,14 @@ LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 THE SOFTWARE.
 
+Licenses of media (sounds)
+--------------------------
+
+Lone_Wolf (CC0):
+  i3_tab.ogg
+  i3_craft.ogg
+  i3_click.ogg
+  i3_cannot.ogg
 
 Licenses of media (textures)
 ----------------------------

README.md

@@ -1,6 +1,6 @@
 ![logo](https://user-images.githubusercontent.com/7883281/145490041-d91d6bd6-a654-438d-b208-4d5736845ab7.png)
 
-[![MIT License](https://img.shields.io/apm/l/atomic-design-ui.svg?)](https://github.com/tterb/atomic-design-ui/blob/master/LICENSEs) [![GitHub Release](https://img.shields.io/github/release/minetest-mods/i3.svg?style=flat)]() ![workflow](https://github.com/minetest-mods/i3/actions/workflows/luacheck.yml/badge.svg) [![ContentDB](https://content.minetest.net/packages/jp/i3/shields/downloads/)](https://content.minetest.net/packages/jp/i3/) [![PayPal](https://img.shields.io/badge/paypal-donate-yellow.svg)](https://www.paypal.me/jpg84240)
+[![GitHub Release](https://img.shields.io/github/release/minetest-mods/i3.svg?style=flat)]() ![workflow](https://github.com/minetest-mods/i3/actions/workflows/luacheck.yml/badge.svg) [![ContentDB](https://content.minetest.net/packages/jp/i3/shields/downloads/)](https://content.minetest.net/packages/jp/i3/) [![PayPal](https://img.shields.io/badge/paypal-donate-yellow.svg)](https://www.paypal.me/jpg84240)
 
 #### **`i3`** is a next-generation inventory for Minetest.
 

init.lua

@@ -20,7 +20,7 @@ local function lf(path)
 end
 
 i3 = {
-	version = 1121,
+	version = 1131,
 	data = core.deserialize(storage:get_string"data") or {},
 
 	settings = {
@@ -111,6 +111,7 @@ i3 = {
 i3.files.common()
 i3.files.api(http)
 i3.files.compress()
+i3.files.detached()
 i3.files.groups()
 i3.files.callbacks(http, storage)
 
@@ -120,7 +121,8 @@ end
 
 if i3.settings.debug_mode then
 	lf("/tests/test_tabs.lua")()
-	lf("/tests/test_operators.lua")()
+	lf("/tests/test_waypoints.lua")()
+--	lf("/tests/test_operators.lua")()
 	lf("/tests/test_compression.lua")()
 	lf("/tests/test_custom_recipes.lua")()
 end

src/api.lua

@@ -1,10 +1,10 @@
 local http = ...
 local make_fs, get_inventory_fs = i3.files.gui()
 
-IMPORT("gmatch", "split")
-IMPORT("S", "err", "fmt", "reg_items")
 IMPORT("sorter", "sort_inventory", "play_sound")
+IMPORT("get_player_by_name", "add_hud_waypoint")
 IMPORT("sort", "concat", "copy", "insert", "remove")
+IMPORT("gmatch", "split", "S", "err", "fmt", "reg_items", "pos_to_str")
 IMPORT("true_str", "true_table", "is_str", "is_func", "is_table", "clean_name")
 
 function i3.register_craft_type(name, def)
@@ -204,10 +204,10 @@ function i3.remove_tab(name)
 		return err "i3.remove_tab: tab name missing"
 	end
 
-	for i, def in ipairs(i3.tabs) do
-		if name == def.name then
+	for i = #i3.tabs, 1, -1 do
+		local def = i3.tabs[i]
+		if def and name == def.name then
 			remove(i3.tabs, i)
-			break
 		end
 	end
 end
@@ -315,7 +315,6 @@ function i3.hud_notif(name, msg, img)
 	end
 
 	local data = i3.data[name]
-
 	if not data then
 		return err "i3.hud_notif: no player data initialized"
 	end
@@ -358,3 +357,76 @@ i3.add_sorting_method("numerical", {
 		return list
 	end,
 })
+
+function i3.add_waypoint(name, def)
+	if not true_str(name) then
+		return err "i3.add_waypoint: name missing"
+	elseif not true_table(def) then
+		return err "i3.add_waypoint: definition missing"
+	elseif not true_str(def.player) then
+		return err "i3.add_waypoint: player name missing"
+	end
+
+	local data = i3.data[def.player]
+	if not data then
+		return err "i3.add_waypoint: no player data initialized"
+	end
+
+	local player = get_player_by_name(def.player)
+	local id = player and add_hud_waypoint(player, name, def.pos, def.color, def.image) or nil
+
+	insert(data.waypoints, {
+		name  = name,
+		pos   = pos_to_str(def.pos, 1),
+		color = def.color,
+		image = def.image,
+		id    = id,
+	})
+
+	if data.subcat == 5 then
+		data.scrbar_inv += 1000
+	end
+
+	i3.set_fs(player)
+end
+
+function i3.remove_waypoint(player_name, name)
+	if not true_str(player_name) then
+		return err "i3.remove_waypoint: player name missing"
+	elseif not true_str(name) then
+		return err "i3.remove_waypoint: waypoint name missing"
+	end
+
+	local data = i3.data[player_name]
+	if not data then
+		return err "i3.remove_waypoint: no player data initialized"
+	end
+
+	local player = get_player_by_name(player_name)
+
+	for i = #data.waypoints, 1, -1 do
+		local waypoint = data.waypoints[i]
+		if waypoint and name == waypoint.name then
+			if player then
+				player:hud_remove(waypoint.id)
+			end
+
+			remove(data.waypoints, i)
+		end
+	end
+
+	i3.set_fs(player)
+end
+
+function i3.get_waypoints(player_name)
+	if not true_str(player_name) then
+		return err "i3.get_waypoints: player name missing"
+	end
+
+	local data = i3.data[player_name]
+	if not data then
+		return err "i3.get_waypoints: no player data initialized"
+	end
+
+	return data.waypoints
+end

src/callbacks.lua

@@ -1,7 +1,6 @@
 local http, storage = ...
 local init_bags = i3.files.bags()
 local fill_caches = i3.files.caches(http)
-local init_detached = i3.files.detached()
 local init_hud = i3.files.hud()
 local set_fs = i3.set_fs
 
@@ -203,16 +202,14 @@ local function init_data(player, info)
 	local name = player:get_player_name()
 	i3.data[name] = i3.data[name] or {}
 	local data = i3.data[name]
-	local default = {}
 
 	for k, v in pairs(i3.default_data) do
-		default[k] = data[k]
-
-		if data[k] == nil then
-			default[k] = v
+		local val = data[k]
+		if val == nil then
+			val = v
 		end
 
-		data[k] = default[k]
+		data[k] = val
 	end
 
 	data.player_name     = name
@@ -264,7 +261,6 @@ insert(core.registered_on_joinplayers, 1, function(player)
 
 	init_data(player, info)
 	init_bags(player)
-	init_detached(player)
 	init_hud(player)
 end)
 

src/common.lua

@@ -327,8 +327,12 @@ local function apply_recipe_filters(recipes, player)
 	return recipes
 end
 
+local function recipe_filter_set()
+	return next(i3.recipe_filters)
+end
+
 local function compression_active(data)
-	return data.collapse and not next(i3.recipe_filters) and data.filter == ""
+	return data.collapse and not recipe_filter_set() and data.filter == ""
 end
 
 local function compressible(item, data)
@@ -596,8 +600,8 @@ local function reset_data(data)
 	data.goto_page     = nil
 	data.recipes       = nil
 	data.usages        = nil
-	data.crafting_rcp    = nil
-	data.crafting_usg    = nil
+	data.crafting_rcp  = nil
+	data.crafting_usg  = nil
 	data.alt_items     = nil
 	data.confirm_trash = nil
 	data.show_settings = nil
@@ -609,13 +613,15 @@ local function reset_data(data)
 	end
 end
 
-local function add_hud_waypoint(player, name, pos, color)
+local function add_hud_waypoint(player, name, pos, color, image)
 	return player:hud_add {
-		hud_elem_type = "waypoint",
+		hud_elem_type = image and "image_waypoint" or "waypoint",
 		name = name,
-		text = "m",
+		text = image or "m",
+		scale = {x = 5, y = 5},
 		world_pos = pos,
 		number = color,
+		image = image,
 		z_index = -300,
 	}
 end
@@ -684,6 +690,7 @@ local _ = {
 	get_recipes = get_recipes,
 	sort_inventory = sort_inventory,
 	sort_by_category = sort_by_category,
+	recipe_filter_set = recipe_filter_set,
 	apply_recipe_filters = apply_recipe_filters,
 
 	-- Type checks

src/detached_inv.lua

@@ -1,5 +1,5 @@
 local set_fs = i3.set_fs
-IMPORT("fmt", "play_sound", "create_inventory")
+IMPORT("play_sound", "create_inventory")
 
 local trash = create_inventory("i3_trash", {
 	allow_put = function(_, _, _, stack)
@@ -22,15 +22,3 @@ local trash = create_inventory("i3_trash", {
 })
 
 trash:set_size("main", 1)
-
-local function init_detached(player)
-	local name = player:get_player_name()
-
-	local output_rcp = create_inventory(fmt("i3_output_rcp_%s", name), {}, name)
-	output_rcp:set_size("main", 1)
-
-	local output_usg = create_inventory(fmt("i3_output_usg_%s", name), {}, name)
-	output_usg:set_size("main", 1)
-end
-
-return init_detached

src/gui.lua

@@ -10,11 +10,11 @@ local VoxelArea, VoxelManip = VoxelArea, VoxelManip
 IMPORT("vec", "vec_round")
 IMPORT("find", "match", "sub", "upper")
 IMPORT("clr", "ESC", "msg", "check_privs")
-IMPORT("compression_active", "compressible")
 IMPORT("min", "max", "floor", "ceil", "round")
 IMPORT("true_str", "is_fav", "is_num", "str_to_pos")
 IMPORT("reg_items", "reg_nodes", "reg_tools", "reg_entities")
 IMPORT("get_bag_description", "get_detached_inv", "get_recipes")
+IMPORT("compression_active", "compressible", "recipe_filter_set")
 IMPORT("S", "ES", "translate", "ItemStack", "toupper", "utf8_len")
 IMPORT("maxn", "sort", "concat", "copy", "insert", "remove", "unpack")
 IMPORT("extract_groups", "groups_to_items", "is_group", "item_has_groups", "get_group")
@@ -297,7 +297,7 @@ local function get_isometric_view(fs, pos, X, Y, t, cubes, depth, high)
 	end
 
 	shift += (base_depth and 0.45 or 0.95)
-	image(2.7, Y + shift, 0.3, 0.3, PNG.flag)
+	animated_image(2.75, Y + shift, 3/14, 0.3, "i3_flag_anim.png", 4, 150)
 end
 
 local function get_waypoint_fs(fs, data, player, yextra, ctn_len)
@@ -380,9 +380,9 @@ local function get_waypoint_fs(fs, data, player, yextra, ctn_len)
 	fs"style_type[label;font=normal;font_size=16;textcolor=#fff]"
 end
 
-local function get_bag_fs(fs, data, name, esc_name, bag_size, yextra)
-	fs("list[detached:i3_bag_%s;main;0,%f;1,1;]", esc_name, yextra + 0.7)
-	local bag = get_detached_inv("bag", name)
+local function get_bag_fs(fs, data, bag_size, yextra)
+	fs("list[detached:i3_bag_%s;main;0,%f;1,1;]", data.player_name, yextra + 0.7)
+	local bag = get_detached_inv("bag", data.player_name)
 	if bag:is_empty"main" then return end
 
 	local v = {{1.9, 2, 0.12}, {3.05, 5, 0.06}, {4.2, 10}, {4.75, 10}}
@@ -416,12 +416,13 @@ local function get_bag_fs(fs, data, name, esc_name, bag_size, yextra)
 	end
 
 	fs("style_type[list;size=%f;spacing=%f]", size, spacing)
-	fs("list[detached:i3_bag_content_%s;main;%f,%f;4,%u;]", esc_name, x, yextra + 1.3, bag_size)
+	fs("list[detached:i3_bag_content_%s;main;%f,%f;4,%u;]", data.player_name, x, yextra + 1.3, bag_size)
 	fs"style_type[list;size=1;spacing=0.15]"
 end
 
 local function get_container(fs, data, player, yoffset, ctn_len, award_list, awards_unlocked, award_list_nb, bag_size)
-	local name = data.player_name
+	local nametag = player:get_nametag_attributes()
+	local name = true_str(nametag.text) and nametag.text or data.player_name
 	local esc_name = ESC(name)
 
 	add_subtitle(fs, "player_name", 0, ctn_len, 22, true, esc_name)
@@ -474,14 +475,14 @@ local function get_container(fs, data, player, yoffset, ctn_len, award_list, awa
 	end
 
 	if data.subcat == 1 then
-		get_bag_fs(fs, data, name, esc_name, bag_size, yextra)
+		get_bag_fs(fs, data, bag_size, yextra)
 
 	elseif data.subcat == 2 then
 		if not i3.modules.armor then
 			return not_installed "3d_armor"
 		end
 
-		local armor_def = armor.def[name]
+		local armor_def = armor.def[data.player_name]
 		local _, armor_inv = armor:get_valid_player(player, "3d_armor")
 
 		fs("list[detached:%s_armor;armor;0,%f;5,1;]", esc_name, yextra + 0.7)
@@ -522,7 +523,7 @@ local function get_container(fs, data, player, yoffset, ctn_len, award_list, awa
 			return not_installed "skinsdb"
 		end
 
-		local _skins = skins.get_skinlist_for_player(name)
+		local _skins = skins.get_skinlist_for_player(data.player_name)
 		local skin_name = skins.get_player_skin(player).name
 		local spp, add_y = 24, 0
 
@@ -608,7 +609,7 @@ local function show_settings(fs, data)
 		local X = 2.5
 		button(X, 9.1, 1.6, 0.55, "setting_home", "Home")
 		button(X + 1.7, 9.1, 1.6, 0.55, "setting_style", "Style")
-		button(X + 3.38, 9.1, 1.6, 0.55, "setting_sorting", "Sorting")
+		button(X + 3.4, 9.1, 1.6, 0.55, "setting_sorting", "Sorting")
 		image_button(X + 5.12, 9.2, 0.25, 0.25, PNG.cancel_hover .. "^\\[brighten", "close_settings", "")
 
 		if show_home then
@@ -631,8 +632,8 @@ local function show_settings(fs, data)
 			checkbox(2.6, 10.4, "cb_legacy_inventory", "Legacy inventory", tostring(data.legacy_inventory))
 			checkbox(2.6, 10.85, "cb_wielditem_hud", "HUD description", tostring(data.wielditem_hud))
 
-			if not next(i3.recipe_filters) then
-				checkbox(5.3, 10.85, "cb_collapse", "Collapse inventory", tostring(data.collapse))
+			if not recipe_filter_set() then
+				checkbox(5.3, 10.85, "cb_collapse", "Collapse list", tostring(data.collapse))
 			end
 
 			local sign = (data.font_size > 0 and "+") or (data.font_size > 0 and "-") or ""
@@ -640,7 +641,7 @@ local function show_settings(fs, data)
 
 			local range = 5
 			fs("scrollbaroptions[min=-%u;max=%u;smallstep=1;largestep=1;thumbsize=2]", range, range)
-			fs("scrollbar[5.3,10.2;2.45,0.3;horizontal;sb_font_size;%d]", data.font_size)
+			fs("scrollbar[5.3,10.2;2.55,0.3;horizontal;sb_font_size;%d]", data.font_size)
 
 			fs("tooltip[cb_hide_tabs;%s;#707070;#fff]",
 				ES"Enable this option to change the style of the right panel")
@@ -649,7 +650,7 @@ local function show_settings(fs, data)
 			fs("tooltip[cb_wielditem_hud;%s;#707070;#fff]",
 				ES"Enable this option to show the wielded item description in your HUD")
 			fs("tooltip[cb_collapse;%s;#707070;#fff]",
-				ES"Enable this option to collapse certain items in your inventory")
+				ES"Enable this option to collapse the inventory list by grouping some items")
 
 		elseif show_sorting then
 			checkbox(2.6, 9.95, "cb_inv_compress", "Compression", tostring(data.inv_compress))
@@ -790,7 +791,7 @@ local function get_inventory_fs(player, data, fs)
 	show_settings(fs, data)
 end
 
-local function get_tooltip(item, info, pos, lang_code)
+local function get_tooltip(item, info, lang_code)
 	local tooltip
 
 	if info.groups then
@@ -863,11 +864,6 @@ local function get_tooltip(item, info, pos, lang_code)
 		end
 	end
 
-	if pos then
-		local btn_size = i3.settings.item_btn_size
-		return fmt("tooltip", pos.x, pos.y, btn_size, btn_size, ESC(tooltip))
-	end
-
 	return fmt("tooltip[%s;%s]", item, ESC(tooltip))
 end
 
@@ -939,28 +935,16 @@ local function get_output_fs(fs, data, rcp, is_recipe, is_usage, shapeless, righ
 	local meta  = item:get_meta()
 	local name  = item:get_name()
 	local count = item:get_count()
-	local wear  = item:get_wear()
 	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"
+	local size = BTN_SIZE * 1.2
+	slot(X, Y - 0.11, size, size)
 
-		fs("style_type[list;size=%f]", BTN_SIZE)
-		fs"listcolors[#bababa50;#bababa99]"
-		fs("list[detached:i3_output_%s_%s;main;%f,%f;1,1;]", rcp_usg, data.player_name, X + 0.11, Y)
-		button(X + 0.11, Y, BTN_SIZE, BTN_SIZE, _name, "")
+	count = get_true_count(data, count, is_recipe, is_usage)
+	item:set_count(count)
 
-		local inv = get_detached_inv(fmt("output_%s", rcp_usg), data.player_name)
-		inv:set_stack("main", 1, item)
-		pos = {x = X + 0.11, y = Y}
-	else
-		local size = BTN_SIZE * 1.2
-		slot(X, Y - 0.11, size, size)
-
-		count = get_true_count(data, count, is_recipe, is_usage)
-		item_image_button(X + 0.11, Y, BTN_SIZE, BTN_SIZE, fmt("%s %u %u", name, count, wear), _name, "")
-	end
+	local itemstr = ESC(item:to_string())
+	item_image_button(X + 0.11, Y, BTN_SIZE, BTN_SIZE, itemstr, _name, "")
 
 	local def = reg_items[name]
 	local unknown = not def or nil
@@ -983,7 +967,7 @@ local function get_output_fs(fs, data, rcp, is_recipe, is_usage, shapeless, righ
 	}
 
 	if next(infos) then
-		fs(get_tooltip(_name, infos, pos, data.lang_code))
+		fs(get_tooltip(_name, infos, data.lang_code))
 	end
 end
 
@@ -1100,7 +1084,10 @@ local function get_grid_fs(fs, data, rcp, is_recipe, is_usage)
 				label(X + 0.8, Y + 0.9, count)
 			end
 		else
-			item_image_button(X, Y, btn_size, btn_size, fmt("%s %u", name, count), btn_name, label)
+			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)
 		end
 
 		local def = reg_items[name]
@@ -1125,7 +1112,7 @@ local function get_grid_fs(fs, data, rcp, is_recipe, is_usage)
 		}
 
 		if next(infos) then
-			fs(get_tooltip(btn_name, infos, nil, data.lang_code))
+			fs(get_tooltip(btn_name, infos, data.lang_code))
 		end
 	end
 
@@ -1140,9 +1127,13 @@ local function get_rcp_lbl(fs, data, panel, rn, is_recipe, is_usage)
 	local rcp = is_recipe and panel.rcp[data.rnum] or panel.rcp[data.unum]
 
 	if rcp.custom then
-		local desc = i3.craft_types[rcp.type].description
-		hypertext(data.inv_width + 4.8, data.yoffset + 0.12, 3, 1, "custom_rcp",
-			fmt("<right><i><global size=16>%s\n<global size=15>%s</i></right>", ES"Custom recipe", desc))
+		local craft_type = i3.craft_types[rcp.type]
+		if craft_type then
+			local desc = craft_type.description
+			hypertext(data.inv_width + 4.8, data.yoffset + 0.12, 3, 1, "custom_rcp",
+				fmt("<right><i><global size=16>%s\n<global size=15>%s</i></right>",
+					ES"Custom recipe", ESC(desc)))
+		end
 	end
 
 	local lbl = ES("Usage @1 of @2", data.unum, rn)
@@ -1365,7 +1356,7 @@ local function hide_items(player, data)
 		data.items = new
 	end
 
-	if not core.is_creative_enabled(data.player_name) and not next(i3.recipe_filters) then
+	if not core.is_creative_enabled(data.player_name) and not recipe_filter_set() then
 		local new = {}
 
 		for i = 1, #data.items do
@@ -1499,7 +1490,7 @@ local function get_items_fs(fs, data, player, full_height)
 		local lbl = ES"No item to show"
 		local icon, width, offset = PNG.no_result, 4, 2
 
-		if next(i3.recipe_filters) and #i3.init_items > 0 and data.filter == "" then
+		if recipe_filter_set() and #i3.init_items > 0 and data.filter == "" then
 			lbl = ES"Collect items to reveal more recipes" -- Progressive mode, etc.
 			icon, width, offset = PNG.find_more, 2.5, 2.75
 		end
@@ -1524,7 +1515,7 @@ local function get_items_fs(fs, data, player, full_height)
 
 			local item_btn = fmt("item_image_button", X, Y, size, size, name, item, "")
 
-			if next(i3.recipe_filters) then
+			if recipe_filter_set() then
 				if data.items_progress[item] then
 					insert(fs, item_btn)
 				else
@@ -1705,7 +1696,7 @@ local function make_fs(player, data)
 
 	local tab = i3.tabs[data.tab]
 
-	if tab then
+	if tab and tab.formspec then
 		tab.formspec(player, data, fs)
 	end
 

src/hud.lua

@@ -165,7 +165,7 @@ local function init_waypoints(player)
 
 	for _, v in ipairs(data.waypoints) do
 		if not v.hide then
-			local id = add_hud_waypoint(player, v.name, str_to_pos(v.pos), v.color)
+			local id = add_hud_waypoint(player, v.name, str_to_pos(v.pos), v.color, v.image)
 			v.id = id
 		end
 	end

src/styles.lua

@@ -44,7 +44,7 @@ local PNG = {
 	nonvisible = "i3_non_visible.png",
 	exit = "i3_exit.png",
 	home = "i3_home.png",
-	flag = "i3_flag.png",
+	flag = "i3_flag_anim.png",
 	edit = "i3_edit.png",
 	no_result = "i3_no_result.png",
 	find_more = "i3_find_more.png",

tests/test_tabs.lua

@@ -3,7 +3,8 @@ i3.new_tab("test1", {
 	image = "i3_heart.png",
 
 	formspec = function(player, data, fs)
-		fs("label[3,1;Test 1]")
+		fs("label", 3, 1, "Just a test")
+		fs"label[3,2;Lorem Ipsum]"
 	end,
 })
 

tests/test_waypoints.lua

@@ -0,0 +1,12 @@
+core.after(5, function()
+	i3.add_waypoint("Test", {
+		player = "singleplayer",
+		pos = {x = 0, y = 2, z = 0},
+		color = 0xffff00,
+	--	image = "heart.png",
+	})
+
+	core.after(5, function()
+		i3.remove_waypoint("singleplayer", "Test")
+	end)
+end)