Minor update HUD

hud.lua

@@ -17,41 +17,43 @@ hud.register("areas", {
 	number        = 0xFFFFFF
 })
 
+local function update_hud(player, name, pos)
+	local areaStrings = {
+		S("Areas:")
+	}
+
+	for id, area in pairs(areas:getAreasAtPos(pos)) do
+		areaStrings[#areaStrings + 1] = ("%s [%u] (%s)%s%s")
+			:format(area.name, id, area.owner,
+				area.open and (" [" .. S("Open") .. "]") or "",
+				area.canPvP and (" [" .. S("PvP enabled") .. "]") or "")
+	end
+
+	local str = ""
+	for _, area in pairs(areas:getExternalHudEntries(pos)) do
+		if area.name then str = area.name .. " " end
+		if area.id then str = str .. "[" .. area.id .. "] " end
+		if area.owner then str = str .. "(" .. area.owner .. ")" end
+		areaStrings[#areaStrings + 1] = str
+	end
+
+	-- "Areas:" text has index 1
+	local areaString = #areaStrings > 1 and tconcat(areaStrings, "\n") or ""
+
+	local phud = areas.hud[name] or {}
+	if not phud.oldAreas or phud.oldAreas ~= areaString then
+		hud.change_item(player, "areas", {text = areaString})
+		phud.oldAreas = areaString
+	end
+end
+
 minetest.register_playerstep(function(_, playernames)
-	for _, name in pairs(playernames) do
+	for _, name in ipairs(playernames) do
 		local player = minetest.get_player_by_name(name)
-		if not player or not player:is_player() then return end
-		local pos = vround(player:get_pos())
-		if minetest.is_valid_pos(pos) then
-			local areaStrings = {}
-
-			for id, area in pairs(areas:getAreasAtPos(pos)) do
-				areaStrings[#areaStrings+1] = ("%s [%u] (%s)%s%s%s")
-					:format(area.name, id, area.owner,
-						area.open and (" " .. S("Open")) or "",
-						(area.open and area.canPvP and " | " or ""), -- shitcode detected XD
-						area.canPvP and (" " .. S("PvP enabled")) or "")
-			end
-
-			local str = ""
-			for _, area in pairs(areas:getExternalHudEntries(pos)) do
-				if area.name then str = area.name .. " " end
-				if area.id then str = str .. "[" .. area.id .. "] " end
-				if area.owner then str = str .. "(" .. area.owner .. ")" end
-				areaStrings[#areaStrings+1] = str
-			end
-
-			local areaString = ""
-			if #areaStrings > 0 then
-				areaString = S("Areas:")
-				areaString = areaString .. "\n" ..
-					tconcat(areaStrings, "\n")
-			end
-
-			local phud = areas.hud[name] or {}
-			if not phud.oldAreas or phud.oldAreas ~= areaString then
-				hud.change_item(player, "areas", {text = areaString})
-				phud.oldAreas = areaString
+		if player and player:is_player() then
+			local pos = vround(player:get_pos())
+			if minetest.is_valid_pos(pos) then
+				update_hud(player, name, pos)
 			end
 		end
 	end