Global Leaderboard

BlonixOne

May 18th, 2025

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--[[
this script is for a l´global leaderboard (for the game 'Rainbow Ladder')
]]
-- get the DataStoreService and create an ordered datastore named "WinsLeaderboard"
local DataStoreService = game:GetService("DataStoreService")
local WinsLeaderboard = DataStoreService:GetOrderedDataStore("WinsLeaderboard")
-- updates the in-game leaderboard gui with top players from the datastore
local function updateLeaderboard()
local success, err = pcall(function()
-- fetch the top 10 players (sorted in descending order by value)
local ordered = WinsLeaderboard:GetSortedAsync(false, 11, 1)
local page = ordered:GetCurrentPage()
-- get GUI elements
local FrameGui = workspace.Leaderboard.SurfaceGui.Frame
local Podiums = FrameGui.Parent.Parent.Podiums
-- clear previous leaderboard entries (except the "Info" frame)
for _, v in FrameGui:GetChildren() do
if v.ClassName == "Frame" and v.Name ~= "Info" then
v:Destroy()
end
end
-- loop through ranked data from the datastore
for rank, data in page do
local player = game.Players:GetPlayerByUserId(tonumber(data.key))
local wins = data.value
local isOnLeaderboard = false
-- check if player is already on the leaderboard to avoid duplicates
for _, v in FrameGui:GetChildren() do
if v.ClassName == "Frame" and v.Name ~= "Info" then
if v.Username.Text == player.Name then
isOnLeaderboard = true
break
end
end
end
-- if player has a valid score and is not yet shown on leaderboard
if wins and not isOnLeaderboard then
local podium
-- choose podium style based on rank
if rank == 1 then
podium = Podiums.First:Clone()
elseif rank == 2 then
podium = Podiums.Second:Clone()
elseif rank == 3 then
podium = Podiums.Third:Clone()
else
podium = Podiums.Normal:Clone()
end
-- fill in leaderboard entry details
podium.Rank.Text = tostring(rank)
podium.Username.Text = player.Name
podium.Wins.Text = tostring(wins)
podium.LayoutOrder = rank
podium.Parent = FrameGui
end
end
end)
-- warn if the leaderboard failed to update
if err then
warn("Failed to update leaderboard due to the following error: " .. err)
end
end
-- saves a player’s win count to the ordered datastore
local function saveWinsData(player: Player)
pcall(function()
WinsLeaderboard:SetAsync(player.UserId, player.leaderstats.Wins.Value)
end)
end
-- background task: auto-save players' wins every 1 second
task.spawn(function()
while task.wait(1) do
for _, player in game.Players:GetPlayers() do
saveWinsData(player)
end
end
end)
-- background task: update the leaderboard display every 20 seconds
task.spawn(function()
while task.wait(20) do
updateLeaderboard()
end
end)

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