A tool lodout for when the player joins

Loadout.lua

local ToolFolder = game.ReplicatedStorage.Tools
local Template = script.Template
local player = game.Players.LocalPlayer
local PageIndex = 1
local Pages = {
	[1] = "Primary",
	[2] = "Secondary",
	[3] = "Melee",
	[4] = "Misc"
}
local function AddObjects(Category)
	local Folder = ToolFolder:FindFirstChild(Category)
	if not Folder then return end
	for _,item in pairs(script.Parent.ToolViewer.Holder:GetChildren()) do
		if not item:IsA("UIGridLayout") then item:Destroy() end
		
	end
	for i,v in pairs(Folder:GetChildren()) do
		local TemplateClone = Template:Clone()
		TemplateClone.MouseEnter:Connect(function()
			TemplateClone.ImageColor3 = Color3.new(0.254902, 0.254902, 0.254902)
			script["UI Hover"]:Play()
		end)
		TemplateClone.MouseLeave:Connect(function()
			TemplateClone.ImageColor3 = Color3.new(0.0941176, 0.0941176, 0.0941176)
		end)
		TemplateClone.MouseButton1Click:Connect(function()
			script["UI Click"]:Play()
		end)
		TemplateClone.Title.Text = v.Name
		TemplateClone.Parent = script.Parent.ToolViewer.Holder
	end
end

local function UpdateViewer()
	for i,v in pairs(script.Parent.ToolViewer.Holder:GetChildren()) do
		if v:IsA('ImageButton') then
			v.MouseButton1Click:Connect(function()
				local Folder = ToolFolder:FindFirstChild(Pages[PageIndex])
				local Tool = Folder:FindFirstChild(v.Title.Text)
				local Page = script.Parent.Viewer:FindFirstChild(Pages[PageIndex])
				Page.ToolName.Text = Tool.Name
			end)
		end
	end
end

local function UpdateHolder()
	script.Parent.MainBackground.ObjectType.Title.Text = Pages[PageIndex]
	AddObjects(Pages[PageIndex])
	script.Parent.Navigation.Text = tostring(PageIndex).."/4"
	UpdateViewer()
end

UpdateHolder()
script.Parent.Navigation.Front.MouseButton1Click:Connect(function()
	script["UI Click"]:Play()
	if PageIndex < 4 then
		PageIndex += 1
	else
		PageIndex = 1
	end
	UpdateHolder()
end)

script.Parent.Navigation.Back.MouseButton1Click:Connect(function()
	script["UI Click"]:Play()
	if PageIndex > 1 then
		PageIndex -= 1 
	else
		PageIndex = 4
	end
	UpdateHolder()
end)

for i,v in pairs(script.Parent.Viewer:GetChildren()) do
	v.Button.MouseButton1Click:Connect(function()
		local PageNumber = v.PageNumber.Value
		PageIndex = PageNumber
		UpdateHolder()
	end)
	
end


script.Parent.Navigation.Finish.MouseEnter:Connect(function()
	script["UI Hover"]:Play()
end)

script.Parent.Navigation.Front.MouseEnter:Connect(function()
	script["UI Hover"]:Play()
end)

script.Parent.Navigation.Back.MouseEnter:Connect(function()
	script["UI Hover"]:Play()
end)

script.Parent.Navigation.Finish.MouseButton1Click:Connect(function()
	script["UI Click"]:Play()
	for i,v in pairs(script.Parent.Viewer:GetChildren()) do
		if v.ToolName.Text ~= "None" then
			local Category = v.Name
			local Folder = ToolFolder:FindFirstChild(Category)
			local Tool = Folder:FindFirstChild(v.ToolName.Text)
			game.ReplicatedStorage.AddTool:FireServer(Tool)
		end
		
	end
	script.Parent.Visible = false
end)