-- SungExetior13RBLX --

-- [ SETTINGS ] --

local backgroundColor = Color3.fromRGB(0, 132, 255) -- The color of each circle
local maxOnHotbar = 10 -- How many tools can be displayed. Setting this to more than 10 reverts to 10

-- [ END SETTINGS ] --

-- Don't edit if you don't know what you're doing --

local Players = game:GetService("Players")
local StarterGui = game:GetService("StarterGui")
local UserInputService = game:GetService("UserInputService")
local TweenService = game:GetService("TweenService")
local player = Players.LocalPlayer
local Backpack = player.Backpack
local Character = player.Character
local Frame = script.Parent.Frame
local Template = Frame.Contents.objTemplate

local COLOR_DARKER = 0.65
local KEY_DICTIONARY = { Zero = 10, One = 1, Two = 2, Three = 3, Four = 4, Five = 5, Six = 6, Seven = 7, Eight = 8, Nine = 9 }
local EQUIP_TWEENINFO = TweenInfo.new(0.25, Enum.EasingStyle.Exponential, Enum.EasingDirection.Out)
local items = {}
local tweens = {}
local stackedItems = {}

local function handleStackingUI(toolCircle, tool)
	if tool:WaitForChild("stacks").Value then
		tool.stacks:GetPropertyChangedSignal('Value'):Connect(function()
			toolCircle.Stacks.Text = tool.stacks.Value
			
			if tool.stacks.Value == 1 then
				toolCircle.Stacks.Visible = false
			end
		end)
		toolCircle.Stacks.Text = tool.stacks.Value
		
	end
end

local function handleEquip(tool)
	if tool.Parent == nil or tool.Parent == Backpack then
		Character.Humanoid:EquipTool(tool)
	elseif tool.Parent == Character then
		Character.Humanoid:UnequipTools()
	end
end


local function checkHotbar(removeIndex)
	if removeIndex then
		for _, toolCircle in pairs(Frame.Contents:GetChildren()) do
			if toolCircle:IsA("GuiObject") then
				local circleName = tonumber(toolCircle.Name)
				if circleName and circleName >= removeIndex then
					local newIndex = (circleName == 11) and 0 or circleName - 1
					local isVisible = (maxOnHotbar == 10) and (newIndex <= 9 and true or false) or ((newIndex ~= 0 and newIndex <= maxOnHotbar) and true or false)

					toolCircle.LayoutOrder -= 1
					toolCircle.Name = tostring(newIndex)
					toolCircle.Visible = isVisible
					toolCircle.Index.Text = tostring(newIndex)
				end
			end
		end
	end

	local additionalIndex = Frame.AdditionalIndex
	additionalIndex.Size = UDim2.new(0, Frame.Contents.UIListLayout.AbsoluteContentSize.X + Frame.Contents.AbsoluteSize.Y + 15, 0, 25)
	additionalIndex.Text = "+1" .. (#items - maxOnHotbar)
	additionalIndex.Visible = (#items > maxOnHotbar)

	for index, tool in ipairs(items) do
		local toolCircle = Frame.Contents:FindFirstChild(index)
		local isEquipped = (tool.Parent == Character)

		if not toolCircle then
			return
		end

		if tweens[toolCircle] then
			tweens[toolCircle]:Cancel()
			tweens[toolCircle] = nil
		end

		-- Adjust UIStroke Transparency based on whether the tool is equipped or not
		toolCircle.Background.Out.UIStroke.Transparency = isEquipped and 0 or 1
		-- Adjust BackgroundTransparency of the circle Frame based on the UIStroke Transparency
		toolCircle.Background.Out.BackgroundTransparency = isEquipped and 0.7 or 0.7
		
		handleStackingUI(toolCircle, tool)
	end
end



local function create(tool)
	
	local nextIndex = (#items == 10) and 0 or #items
	local isVisible = (maxOnHotbar == 10) and (nextIndex <= 9 and true or false) or ((nextIndex ~= 0 and nextIndex <= maxOnHotbar) and true or false)

	local toolCircle = Template:Clone()
	
	toolCircle.LayoutOrder = #items
	toolCircle.Name = #items
	toolCircle.Size = UDim2.new(1, -19,1, -19)
	toolCircle.Visible = isVisible
	toolCircle.Image.Image = tool.TextureId
	toolCircle.Index.Text = nextIndex
	toolCircle.FixedName.Text = tool.TextureId == "" and tool.Name or ""
	toolCircle.Parent = Frame.Contents
	
	if tool.stacks.Value == 1 then
		toolCircle.Stacks.Visible = false
	end

	toolCircle.Image.MouseButton1Click:Connect(function()
		local index = string.gmatch(toolCircle.Name,"%d+")
		index = tonumber(index())
		tool = items[index]
		handleEquip(tool)
	end)

	checkHotbar()
	
end

local function updateAdd(tool)
	if not tool:IsA("Tool") then
		return
	end

	checkHotbar()

	if table.find(items, tool) then
		return
	end

	table.insert(items, tool)

	create(tool)
end

local function updateRemove(tool)
	if not tool:IsA("Tool") then
		return
	end

	if tool.Parent == Character or tool.Parent == Backpack then
		return
	end

	if table.find(items, tool) then
		local index = table.find(items, tool)
		local toolCircle = Frame.Contents:FindFirstChild(index)

		if toolCircle then
			toolCircle:Destroy()
		end

		table.remove(items, index)
		checkHotbar(index)
	end
end

while true do
	local success, err = pcall(function()
		StarterGui:SetCoreGuiEnabled(Enum.CoreGuiType.Backpack, false)
	end)
	if success then
		break
	end
	wait()
end

if maxOnHotbar > 10 then
	maxOnHotbar = 10
end

Template.Visible = true
Template.Parent = nil

for _, tool in pairs(Backpack:GetChildren()) do
	updateAdd(tool)
end
Backpack.ChildAdded:Connect(updateAdd)
Backpack.ChildRemoved:Connect(updateRemove)

Character.ChildAdded:Connect(updateAdd)
Character.ChildRemoved:Connect(updateRemove)

UserInputService.InputBegan:Connect(function(input, gameProcessed)
	if gameProcessed then
		return
	end

	if KEY_DICTIONARY[input.KeyCode.Name] then
		local index = KEY_DICTIONARY[input.KeyCode.Name]

		if items[index] then
			handleEquip(items[index])
		end
	end
end)