Replace globalstep on playerstep, hide Areas text on free areas

hud.lua

@@ -1,18 +1,10 @@
 -- This is inspired by the landrush mod by Bremaweb
 areas.hud = {}
-areas.hud.refresh = 0
 
-minetest.register_globalstep(function(dtime)
-
-	areas.hud.refresh = areas.hud.refresh + dtime
-	if areas.hud.refresh > areas.config["tick"] then
-		areas.hud.refresh = 0
-	else
-		return
-	end
-
-	for _, player in pairs(minetest.get_connected_players()) do
-		local name = player:get_player_name()
+minetest.register_playerstep(function(dtime, playernames)
+	for _, name in pairs(playernames) do
+		local player = minetest.get_player_by_name(name)
+		if player and player:is_player() then
 			local pos = vector.round(player:get_pos())
 			pos = vector.apply(pos, function(p)
 				return math.max(math.min(p, 2147483), -2147483)
@@ -33,8 +25,9 @@ minetest.register_globalstep(function(dtime)
 				table.insert(areaStrings, str)
 			end
 
-		local areaString = "Areas:"
+			local areaString = ""
 			if #areaStrings > 0 then
+				areaString = "Areas:"
 				areaString = areaString.."\n"..
 					table.concat(areaStrings, "\n")
 			end
@@ -48,7 +41,7 @@ minetest.register_globalstep(function(dtime)
 					number = 0xFFFFFF,
 					position = {x=0, y=1},
 					offset = {x=8, y=-8},
-				text = areaString,
+					text = "",
 					scale = {x=200, y=60},
 					alignment = {x=1, y=-1},
 				})
@@ -59,9 +52,9 @@ minetest.register_globalstep(function(dtime)
 				hud.oldAreas = areaString
 			end
 		end
-end)
+	end
+end, false)
 
 minetest.register_on_leaveplayer(function(player)
 	areas.hud[player:get_player_name()] = nil
 end)
-