Grid Based placement system

GridPlacement.lua

local SoundService = game:GetService("SoundService")

local function destroyv(player,v)

	if v:FindFirstChild("SelectionBox") then
		v:FindFirstChildOfClass("SelectionBox"):Destroy()
	end
	if v:FindFirstChild(tostring(player.TempVal.SelectedObject.Value)) then
		v:FindFirstChild(tostring(player.TempVal.SelectedObject.Value)):Destroy()
	end
end
local function destroyv2(player,v)

	if v:FindFirstChild("SelectionBox") then
		v:FindFirstChildOfClass("SelectionBox"):Destroy()
	end
	if v:FindFirstChild(tostring(player.TempVal.SelectedUtil.Value)) then
		v:FindFirstChild(tostring(player.TempVal.SelectedUtil.Value)):Destroy()
	end
end
game.ReplicatedStorage.Events.SetSelectedObject.OnServerEvent:Connect(function(player, BuildingNumber)
	for _,v in pairs(game.Workspace.Grid:GetChildren()) do
		if v.ClassName == "Script" then continue end
		destroyv(player,v)
	end
	player.TempVal:FindFirstChild("SelectedObject").Value = tonumber(BuildingNumber)
end)
game.ReplicatedStorage.Events.SetSelectedMaterial.OnServerEvent:Connect(function(player,Number)
	print(Number)
	player.TempVal.SelectedMaterial.Value = Number
end)
game.ReplicatedStorage.Events.SetSelectedUtility.OnServerEvent:Connect(function(player,Number)
	for _,v in pairs(game.Workspace.Grid:GetChildren()) do
		if v.ClassName == "Script" then continue end
		destroyv2(player,v)
	end
	player.TempVal.SelectedUtil.Value = Number
end)
local function Main()
	for _,v in pairs(game.Workspace.Grid:GetChildren()) do
		if v.ClassName == "Script" then continue end
		v.ClickDetector.MouseHoverEnter:Connect(function(player)
			if player.TempVal.SelectedObject.Value ~= 0 then
				local sb = game.ReplicatedStorage.SelectionBox:Clone()
				sb.Parent = v
				sb.Adornee = v
				local Building = game.ReplicatedStorage.Buildings:FindFirstChild(tostring(player.TempVal.SelectedObject.Value)):Clone()
				for i,v in pairs(Building:GetDescendants()) do
					if v:IsA("BasePart") then
						v.Transparency = 0.7
						v.CanCollide = false

					end
				end
				Building.Parent = v
				local cf = CFrame.new(v.Position + Vector3.new(0,Building.Stud.Value,0)) * CFrame.Angles(0,math.rad(tonumber(v:GetAttribute("RotationHouse"))),0)

				Building:PivotTo(cf)
			

			end
		end)

		v.ClickDetector.MouseHoverLeave:Connect(function(player)
			if player.TempVal.SelectedObject.Value ~= 0 then
				destroyv(player,v)
			end

		end)
		v.ClickDetector.MouseClick:Connect(function(player)
			if player.TempVal.SelectedObject.Value ~= 0 then
				destroyv(player,v)

				local Building = game.ReplicatedStorage.Buildings[tostring(player.TempVal.SelectedObject.Value)]:Clone()
				local BuildingPrice = Building:FindFirstChild("Price").Value
				if player:WaitForChild("stat").Cash.Value >= BuildingPrice then
					if v:GetAttribute("Occupied") == "YES" then game.SoundService.SoundEffects.ClickFailed:Play() return end
					if v:GetAttribute("Terrain") == "1" then game.SoundService.SoundEffects.ClickFailed:Play() return end
					v:SetAttribute("Occupied","YES")
					
					player.stat.Cash.Value -= BuildingPrice
					v:SetAttribute("BuildingName",tostring(player.TempVal.SelectedObject.Value))
					v:SetAttribute("Upgrades","1|1")
					game.ReplicatedStorage.Events.DataLoaded:FireClient(player)
					game.ReplicatedStorage.Events.ShakeCamera:FireClient(player)
					
					SoundService.SoundEffects.PlacedHouse:Play()
	
				end
			end
		end)
	end
end
-- Material
local function MainMaterial()
	for _,v in pairs(game.Workspace.Grid:GetChildren()) do
		if v.ClassName == "Script" then continue end
		v.ClickDetector.MouseHoverEnter:Connect(function(player)
			if player.TempVal.SelectedMaterial.Value ~= 0 then


				if v:FindFirstChild("SelectionBox") then
					v:FindFirstChild("SelectionBox"):Destroy()
				end
				local SelectionBox = game.ReplicatedStorage.SelectionBox:Clone()
				SelectionBox.SurfaceTransparency = 0
				SelectionBox.SurfaceColor3 = BrickColor.new(game.ReplicatedStorage.Materials:FindFirstChild(player.TempVal.SelectedMaterial.Value).Color.Value).Color
				SelectionBox.Parent = v
				SelectionBox.Adornee = v
			end
		end)
		v.ClickDetector.MouseHoverLeave:Connect(function(player)
			if v:FindFirstChild("SelectionBox") then
				v:FindFirstChild("SelectionBox"):Destroy()
			end
		end)
		v.ClickDetector.MouseClick:Connect(function(player)
			if player.TempVal.SelectedMaterial.Value == 0 then return end
			local price = game.ReplicatedStorage.Materials:FindFirstChild(player.TempVal.SelectedMaterial.Value).Price.Value 
			if player.stat.Cash.Value >= price then
				player.stat.Cash.Value -= price
				v.Material = Enum.Material[game.ReplicatedStorage.Materials:FindFirstChild(player.TempVal.SelectedMaterial.Value).Material.Value]
				v.BrickColor = BrickColor.new(game.ReplicatedStorage.Materials:FindFirstChild(player.TempVal.SelectedMaterial.Value).Color.Value)
				v:SetAttribute("Terrain",game.ReplicatedStorage.Materials:FindFirstChild(player.TempVal.SelectedMaterial.Value).Name)
				
			end
		end)
	end
end





Main()
MainMaterial()