Add playerlist dependency

mod.conf

@@ -1,5 +1,5 @@
 name = elidragon
 description = The plugins for the Elidragon Server
 author = Fleckenstein
-depends = worldedit, moreores, default, flowers, areas, technic, moretrees, controls, bucket, quests
+depends = worldedit, moreores, default, flowers, areas, technic, moretrees, controls, bucket, quests, playerlist
 optional_depends = irc

playerlist.lua

@@ -1,39 +1,22 @@
-elidragon.playerlist = {}
-controls.register_on_press(function(player, key)
-	if key == "sneak" then
-		local name = player:get_player_name()
-		local list = {}
-		local players = minetest.get_connected_players()
-		for i, p in pairs(players) do
-			local n = p:get_player_name()
-			local ping = math.max(1, math.ceil(4 - minetest.get_player_information(n).avg_rtt * 4))
-			list[#list + 1] = player:hud_add({
-				hud_elem_type = "text",
-				position = {x = 0.5, y = 0},
-				offset = {x = 20, y = 53 + (i - 1) * 18},
-				text = n,
-				alignment = {x = 1, y = 1},
-				scale = {x = 100, y = 100},
-				number = tonumber(elidragon.get_rank(p).color:gsub("#", ""), 16),
-			})
-			list[#list + 1] = player:hud_add({
-				hud_elem_type = "image",
-				position = {x = 0.5, y = 0},
-				offset = {x = 0, y = 50 + (i - 1) * 18},
-				text = "server_ping_" .. ping .. ".png",
-				alignment = {x = -1, y = 1},
-				scale = {x = 1.5, y = 1.5},
-				number = 0xFFFFFF,
-			})
-		end
-		elidragon.playerlist[name] = list
+function playerlist.iterator()
+	local list = {}
+	for _, player in ipairs(minetest.get_connected_players()) do
+		local rank, i = elidragon.get_rank(player)
+		table.insert(list, {
+			player = player,
+			value = i,
+			color = tonumber(rank.color:gsub("#", ""), 16)
+		})
 	end
-end)
-
-controls.register_on_release(function(player, key)
-	if key == "sneak" and player then
-		for _, id in pairs(elidragon.playerlist[player:get_player_name()]) do
-			player:hud_remove(id)
+	table.sort(list, function(a, b)
+		return a.value > b.value
+	end)
+	local i = 0
+	return function()
+		i = i + 1
+		local elem = list[i]
+		if elem then
+			return i, elem.player, elem.color
 		end
 	end
-end)
+end

ranks.lua

@@ -51,9 +51,9 @@ function elidragon.get_rank(player)
 end
 
 function elidragon.get_rank_by_name(rankname)
-	for _, rank in pairs(elidragon.ranks) do
+	for i, rank in pairs(elidragon.ranks) do
 		if rank.name == rankname then
-			return rank
+			return rank, i
 		end
 	end
 end