-- Services
local Rep = game:GetService("ReplicatedStorage")
local RepFirst = game:GetService("ReplicatedFirst")
local Players = game:GetService("Players")
local UIS = game:GetService("UserInputService")

-- Modules
local FastCast2 = Rep:WaitForChild("FastCast2")

-- Requires
local FastCastTypes = require(FastCast2:WaitForChild("TypeDefinitions"))
local FastCastEnums = require(FastCast2:WaitForChild("FastCastEnums"))
local FastCastM = require(FastCast2)

-- CONSTANTS
local SPEED = 500

-- Variables
local player = Players.LocalPlayer
local character = player.Character or player.CharacterAdded:Wait()
local Head = character:WaitForChild("Head")

local Mouse = player:GetMouse()

local ProjectileContainer = workspace:WaitForChild("Projectiles")
local ProjectileTemplate = Rep:WaitForChild("Projectile")

local debounce = false
local debounce_time = 0.05

-- CastParams
local CastParams = RaycastParams.new()
CastParams.FilterDescendantsInstances = {character}
CastParams.FilterType = Enum.RaycastFilterType.Exclude
CastParams.IgnoreWater = true

-- Behavior
local castBehavior: FastCastTypes = FastCastM.newBehavior()
castBehavior.MaxDistance = 1000
castBehavior.RaycastParams = CastParams
castBehavior.HighFidelityBehavior = FastCastEnums.HighFidelityBehavior.Default
castBehavior.HighFidelitySegmentSize = 1
castBehavior.Acceleration = Vector3.new(0, -workspace.Gravity/2.3, 0)
castBehavior.AutoIgnoreContainer = true
castBehavior.CosmeticBulletContainer = ProjectileContainer
castBehavior.CosmeticBulletTemplate = ProjectileTemplate
castBehavior.UserData = {} -- Initial UserData when ActiveCast created
castBehavior.FastCastEventsConfig = {
	UseHit = true,
	UseLengthChanged = false, -- Warning: Setting this to true will make your FPS tank when there are 100-200+ projectiles
	UseCastTerminating = true,
	UseCastFire = true,
	UsePierced = false
}

-- Caster
local Caster = FastCastM.new()
Caster:Init(
	4, -- Roblox limits at 4 :(
	RepFirst,
	"CastVMs",
	RepFirst,
	"CastVMContainer",
	"CastVM",
	true
)

-- Functions

local function OnCastTerminating(cast: FastCastTypes.ActiveCastCompement)
	local obj = cast.RayInfo.CosmeticBulletObject
	if obj then 
		obj:Destroy()
	end
end

local function OnHit()
	print("Hit!")
end

local function OnCastFire()
	print("CastFire!")
end

-- Connections

Caster.CastTerminating:Connect(OnCastTerminating)
Caster.Hit:Connect(OnHit)
Caster.CastFire:Connect(OnCastFire)

UIS.InputBegan:Connect(function(Input: InputObject, gp: boolean)
	if gp then return end
	if debounce then return end
	
	if Input.UserInputType == Enum.UserInputType.MouseButton1 then
		debounce = true
		
		local Origin = Head.Position
		local Direction = (Mouse.Hit.Position - Origin).Unit
		
		Caster:RaycastFire(Origin, Direction, SPEED, castBehavior)
		
		task.wait(debounce_time)
		debounce = false
	end
end)

-- Services
local Rep = game:GetService("ReplicatedStorage")

-- Modules

local FastCast2 = Rep:WaitForChild("FastCast2")

-- Requires
local TypeDef = require(FastCast2:WaitForChild("TypeDefinitions"))

-- Module

local module: TypeDef.FastCastEvents = {}

local debounce = false
local debounce_time = 0.2

module.LengthChanged = function(cast : TypeDef.ActiveCast)
	if not debounce then
		debounce = true
		print("OnLengthChanged Test")
		task.delay(debounce_time, function()
			debounce = false
		end)
	end
end

module.CastFire = function()
	print("CastFire!")
end

module.CastTerminating = function()
	print("CastTerminating!")
end

module.RayHit = function()
	print("Hit!")
end

module.CanPierce = function(cast, resultOfCast : RaycastResult, segmentVelocity, CosmeticBulletObject)
	local CanPierce = false
	if resultOfCast.Instance:GetAttribute("CanPierce") == true then
		CanPierce = true
	end
	print(CanPierce)
	return CanPierce
end

module.Pierced = function()
	print("Pierced!")
end


return module