[hud] Show player biome and position

mods/HUD/mcl_info/init.lua

@@ -0,0 +1,68 @@
+local refresh_interval      = .63
+local huds                  = {}
+local after                 = minetest.after
+local get_connected_players = minetest.get_connected_players
+local get_biome_name        = minetest.get_biome_name
+local get_biome_data        = minetest.get_biome_data
+local format                = string.format
+
+local min1, min2, min3 = mcl_mapgen.overworld.min, mcl_mapgen.end_.min, mcl_mapgen.nether.min
+local max1, max2, max3 = mcl_mapgen.overworld.max, mcl_mapgen.end_.max, mcl_mapgen.nether.max + 128
+
+local function get_text(pos)
+	local y = pos.y
+	if y >= min1 then
+		y = y - min1
+	elseif y >= min3 and y <= max3 then
+		y = y - min3
+	elseif y >= min2 and y <= max2 then
+		y = y - min2
+	end
+	local biome_data = get_biome_data(pos)
+	local biome_name = biome_data and get_biome_name(biome_data.biome) or "No biome"
+	local text = format("%s x:%.1f y:%.1f z:%.1f", biome_name, pos.x, y, pos.z)
+	return text
+end
+
+local function info()
+	for _, player in pairs(get_connected_players()) do
+		local name = player:get_player_name()
+		local pos = player:get_pos()
+		local text = get_text(pos)
+		local hud = huds[name]
+		if not hud then
+			local def = {
+				hud_elem_type = "text",
+				alignment     = {x = 1, y = -1},
+				scale         = {x = 100, y = 100},
+				position      = {x = 0.0073, y = 0.989},
+				text          = text,
+				style         = 5,
+				["number"]    = 0xcccac0,
+				z_index       = 0,
+			}
+			local def_bg = table.copy(def)
+			def_bg.offset = {x = 2, y = 1}
+			def_bg["number"] = 0
+			def_bg.z_index = -1
+			huds[name] = {
+				player:hud_add(def),
+				player:hud_add(def_bg),
+				text,
+			}
+		elseif text ~= hud[3] then
+			hud[3] = text
+			player:hud_change(huds[name][1], "text", text)
+			player:hud_change(huds[name][2], "text", text)
+		end
+	end
+	after(refresh_interval, info)
+end
+
+minetest.register_on_authplayer(function(name, ip, is_success)
+	if is_success then
+		huds[name] = nil
+	end
+end)
+
+info()

mods/HUD/mcl_info/mod.conf

@@ -0,0 +1,3 @@
+name = mcl_info
+description = Prints biome name and player position
+optional_depends = mcl_mapgen