NPC Chat Script

NPC.lua

local gui = script.Parent
local text = gui.TextBackground.Text
local op1 = gui.TextBackground.Option1
local op2 = gui.TextBackground.Option2


local distanceToUI = 7

local playerd = game.Players.LocalPlayer


local NPCs = {}

for i, descendant in pairs(workspace:GetDescendants()) do

	if descendant:FindFirstChild("Interactive") then
		table.insert(NPCs, descendant)
		descendant.Head.InteractGui.Interact.Size = UDim2.new(0, 0, 0, 0)
	end
end


local closestNPC = script:WaitForChild("Activator")
local previousClosestNPC = closestNPC

game:GetService("RunService").RenderStepped:Connect(function()


	previousClosestNPC = closestNPC
	closestNPC = script:WaitForChild("Activator")


	local NPCsInRange = {}
	for i, NPC in pairs(NPCs) do

		local distance = playerd:DistanceFromCharacter(NPC.HumanoidRootPart.Position)

		if distance <= distanceToUI then
			table.insert(NPCsInRange, NPC)
		end
	end


	for i, NPCInRange in pairs(NPCsInRange) do

		if not closestNPC then closestNPC = NPCInRange end

		if closestNPC.Name == "Activator" or playerd:DistanceFromCharacter(closestNPC.HumanoidRootPart.Position) > playerd:DistanceFromCharacter(NPCInRange.HumanoidRootPart.Position) then
			closestNPC = NPCInRange
		end
	end


	script:WaitForChild("ClosestNPC").Value = closestNPC 
end)


script:WaitForChild("ClosestNPC"):GetPropertyChangedSignal("Value"):Connect(function()

	if closestNPC.Name == "Activator" then

		for i, NPC in pairs(NPCs) do

			NPC.Head.InteractGui.Interact:TweenSize(UDim2.new(0, 0, 0, 0), "InOut", "Quint", 0.4, true)
		end

		gui.TextBackground:TweenPosition(UDim2.new(0.5, 0, 1 + gui.TextBackground.Size.Y.Scale, 0), "InOut", "Quint", 0.4, true)

	else

		if previousClosestNPC and previousClosestNPC.Name ~= "Activator" then previousClosestNPC.Head.InteractGui.Interact:TweenSize(UDim2.new(0, 0, 0, 0), "InOut", "Quint", 0.4, true) end

		closestNPC.Head.InteractGui.Interact:TweenSize(UDim2.new(1, 0, 1, 0), "InOut", "Quint", 0.4, true)


		previousClosestNPC = closestNPC
	end
end)


local function handleChoice(interactVal, option)

	local character = playerd.Character or playerd.CharacterAdded:Wait()
	local hum = character:WaitForChild("Humanoid")


	if interactVal == "Would you like to open the Shop?" then

		if option == 1 then 
			print("Clicked")
			game.ReplicatedStorage.FireEvent:FireServer()
			print("fired")
		end


	elseif interactVal == "hi" then

		if option == 1 then print("hello") end
	end

	gui.TextBackground:TweenPosition(UDim2.new(0.5, 0, 1 + gui.TextBackground.Size.Y.Scale, 0), "InOut", "Quint", 0.4, true)
end


local UIP = game:GetService("UserInputService")

UIP.InputBegan:Connect(function(inp, processed)

	if processed or not closestNPC then return end

	if inp.KeyCode == Enum.KeyCode.T then

		local theQ = closestNPC.Interactive.Value

		text.Text = ""
		gui.TextBackground:TweenPosition(UDim2.new(0.5, 0, 0.866, 0), "InOut", "Quint", 0.4, true)
		wait(0.3)


		op1.MouseButton1Click:Connect(function()
			handleChoice(theQ, 1)
		end)
		op2.MouseButton1Click:Connect(function()
			handleChoice(theQ, 2)
		end)


		for i = 1, #theQ do

			text.Text = string.sub(theQ, 1, i)
			wait()
		end
	end
end)