PlayerSpawning.lua

local Players = game:GetService("Players")
local CollectionService = game:GetService("CollectionService")
local RunService = game:GetService("RunService")

local CatchFactory = require("CatchFactory")
local Constants = require("Constants")
local GroupPromise = require("GroupPromise")
local Promise = require("Promise")
local PromiseChild = require("PromiseChild") -- Basically Promisified WaitForChild

local CustomerSpawns = CollectionService:GetTagged("CustomerSpawns")
local StaffSpawns = CollectionService:GetTagged("StaffSpawns")

local CustomerLength = #CustomerSpawns
local StaffLength = #StaffSpawns
local RandomLib = Random.new(tick() % 1 * 1E7)

local RAISED_VECTOR3 = Vector3.new(0, 4, 0)
local MAX_SPAWN_ATTEMPTS = 10

local function SpawnAtLocation(Character: Model, HumanoidRootPart: Part, GoalPosition: CFrame)
	local Attempts = 0
	HumanoidRootPart.Anchored = true
	repeat
		Attempts += 1
		Character:SetPrimaryPartCFrame(GoalPosition)
	until Character:GetPrimaryPartCFrame() == GoalPosition or Attempts > MAX_SPAWN_ATTEMPTS or not RunService.Heartbeat:Wait()

	HumanoidRootPart.Anchored = false
	return Attempts > MAX_SPAWN_ATTEMPTS
end

local function CharacterAddedFenv(Player: Player)
	return function(Character: Model)
		CollectionService:AddTag(Character, "SpawnReady")
		local Promises = table.create(2)
		Promises[1] = GroupPromise.PromiseRankInGroup(Player, Constants.CONFIGURATION.GROUP_ID)
		Promises[2] = PromiseChild(Character, "HumanoidRootPart", 5)

		Promise.All(Promises):Spread(function(RankInGroup, HumanoidRootPart)
			if RankInGroup >= Constants.CONFIGURATION.MINIMUM_RANK_FOR_STAFF_SPAWN then
				local GoalPosition: CFrame = CFrame.new(StaffSpawns[RandomLib:NextInteger(1, StaffLength)].Position + RAISED_VECTOR3)
				SpawnAtLocation(Character, HumanoidRootPart, GoalPosition)
			else
				local GoalPosition: CFrame = CFrame.new(CustomerSpawns[RandomLib:NextInteger(1, CustomerLength)].Position + RAISED_VECTOR3)
				SpawnAtLocation(Character, HumanoidRootPart, GoalPosition)
			end
		end):Catch(CatchFactory("Promise.All(Promises)"))
	end
end

local function PlayerAdded(Player: Player)
	CollectionService:AddTag(Player, "SpawnConnected")
	local CharacterAdded = CharacterAddedFenv(Player)
	Player.CharacterAdded:Connect(CharacterAdded)
	if Player.Character and not CollectionService:HasTag(Player.Character, "SpawnReady") then
		CharacterAdded(Player.Character)
	end
end

Players.PlayerAdded:Connect(PlayerAdded)
for _, Player in ipairs(Players:GetPlayers()) do
	if not CollectionService:HasTag(Player, "SpawnConnected") then
		PlayerAdded(Player)
	end
end

return false