LogicNest

--!strict
local Debris = game:GetService("Debris")
local Hitbox = {}
Hitbox.__index = Hitbox
export type Hitbox = typeof(setmetatable({} :: {
	Size: Vector3,
	Params: OverlapParams,
	Debug: boolean,
}, Hitbox))
function Hitbox.new(size: Vector3): Hitbox
	local self = setmetatable({}, Hitbox)
	self.Size = size
	self.Params = OverlapParams.new()
	self.Params.FilterType = Enum.RaycastFilterType.Exclude
	self.Params.FilterDescendantsInstances = {}
	self.Debug = false
	return self
end
function Hitbox:SetIgnoreList(list: {Instance})
	-- have to set it, modifying the existing list does nothing
	self.Params.FilterDescendantsInstances = list
end
function Hitbox:Scan(cf: CFrame): {Model}
	if self.Debug then
		self:_DrawDebug(cf)
	end
	local parts = workspace:GetPartBoundsInBox(cf, self.Size, self.Params)
	local hits, seen = {}, {}
	for _, part in parts do
		local rig = part:FindFirstAncestorOfClass("Model")
		if rig and not seen[rig] and rig:FindFirstChildOfClass("Humanoid") then
			seen[rig] = true
			table.insert(hits, rig)
		end
	end
	return hits
end
function Hitbox:_DrawDebug(cf: CFrame)
	local p = Instance.new("Part")
	p.Size = self.Size
	p.CFrame = cf
	p.Anchored = true
	p.CanCollide = false
	p.CanQuery = false
	p.Transparency = 0.7
	p.Color = Color3.fromRGB(255, 80, 80)
	p.Parent = workspace
	Debris:AddItem(p, 0.15)
end
return Hitbox

--!strict
local DataStoreService = game:GetService("DataStoreService")
local store = DataStoreService:GetDataStore("PlayerData_v2")
local DEFAULT_PROFILE = {
	Coins = 0,
	Level = 1,
	Wins = 0,
}
export type Profile = typeof(DEFAULT_PROFILE)
local PlayerData = {}
local function deepCopy(t: T): T
	local out = {}
	for k, v in t :: any do
		out[k] = if type(v) == "table" then deepCopy(v) else v
	end
	return out :: any
end
function PlayerData.Load(userId: number): Profile
	local key = "u_" .. userId
	local ok, data = pcall(store.GetAsync, store, key)
	-- if load fails return defaults but dont save them
	-- saving defaults would overwrite real data later
	if not ok then
		warn(string.format("[PlayerData] load failed for %d: %s", userId, tostring(data)))
		return deepCopy(DEFAULT_PROFILE)
	end
	return data or deepCopy(DEFAULT_PROFILE)
end
function PlayerData.Save(userId: number, profile: Profile): boolean
	local key = "u_" .. userId
	for attempt = 1, 3 do
		local ok, err = pcall(store.SetAsync, store, key, profile)
		if ok then
			return true
		end
		warn(string.format("[PlayerData] save attempt %d failed: %s", attempt, tostring(err)))
		task.wait(2 ^ attempt)
	end
	warn(string.format("[PlayerData] gave up saving for %d", userId))
	return false
end
return PlayerData

--!strict
local Cooldown = {}
Cooldown.__index = Cooldown
export type Cooldown = typeof(setmetatable({} :: {
	Duration: number,
	_stamps: {[any]: number},
}, Cooldown))
function Cooldown.new(duration: number): Cooldown
	return setmetatable({
		Duration = duration,
		_stamps = {},
	}, Cooldown)
end
function Cooldown:TryUse(key: any): boolean
	local last = self._stamps[key]
	if last and (os.clock() - last) < self.Duration then
		return false
	end
	self._stamps[key] = os.clock()
	return true
end
function Cooldown:Remaining(key: any): number
	local last = self._stamps[key]
	if not last then
		return 0
	end
	return math.max(0, self.Duration - (os.clock() - last))
end
function Cooldown:Reset(key: any?)
	if key == nil then
		table.clear(self._stamps)
	else
		self._stamps[key] = nil
	end
end
return Cooldown