Mana Bar Script [Revamp!]

local ManaEvent = game.ReplicatedStorage.ManaEvent
local RunService = game:GetService("RunService")
local Debounce = {}
local Debounce2 = {}

game.Players.PlayerAdded:Connect(function(Player)
	repeat wait() until Player.Character

	local DataFolder = Instance.new("Folder", Player)
	DataFolder.Name = "DataFolder"

	local MaxMana = Instance.new("NumberValue",DataFolder)
	MaxMana.Name = "MaxMana"
	MaxMana.Value = 100

	local Mana = Instance.new("NumberValue", DataFolder)
	Mana.Name = "Mana"
	Mana.Value = 0

	local FullCharge = Instance.new("NumberValue",DataFolder)
	FullCharge.Name = "FullCharge"
	FullCharge.Value = 100

	Mana.Changed:Connect(function()
		if Mana.Value < 0 then
			Mana.Value = 0
		end

		if Mana.Value > 100 then
			Mana.Value = 100
			Debounce[Player] = nil
		end
	end)

	FullCharge.Changed:Connect(function()
		Debounce[Player] = nil
		if FullCharge.Value > 100 then
			FullCharge.Value = 100
		end
	end)
end)

ManaEvent.OnServerEvent:Connect(function(Player, IsKeyDown)
	Debounce[Player] = IsKeyDown
end)

RunService.Heartbeat:Connect(function(dt)
	for _,Player in pairs(game.Players:GetPlayers()) do
		local Mana = Player.DataFolder.Mana
		local MaxMana = Player.DataFolder.MaxMana
		local FullCharge = Player.DataFolder.FullCharge

		if Debounce[Player] then
			Mana.Value += math.clamp(.6 + (FullCharge.Value * (1.85/1000)),.25,100)
		else
			Mana.Value -= 0.25 + (FullCharge.Value * (1.85/1000))
		end
		if Mana.Value == MaxMana.Value then
			if not Debounce2[Player] then
				Debounce2[Player] = true
				FullCharge.Value = FullCharge.Value + .1
			end
		else
			Debounce2[Player] = nil
		end
		local ManaGUI = Player.PlayerGui:WaitForChild("ScreenGui").BackFrame.Overlay
		ManaGUI:TweenSize(UDim2.new(1, 0,-(Mana.Value/MaxMana.Value),0), "In", "Sine", .1)
	end
end)