-- ====================================================================
-- MM2 GUN SCRIPT FOR DELTA EXECUTOR
-- GUI TITLE: "Made By Willizard"
-- Updated Gun Name: "Matrixscope" in Backpack
-- Features: Clean White Text | Mobile Shiftlock | 2s Dummy Despawn
-- ====================================================================

local Players = game:GetService("Players")
local ReplicatedStorage = game:GetService("ReplicatedStorage")
local TweenService = game:GetService("TweenService")
local RunService = game:GetService("RunService")
local CoreGui = game:GetService("CoreGui")

local LocalPlayer = Players.LocalPlayer
local Mouse = LocalPlayer:GetMouse()
local Camera = workspace.CurrentCamera

-----------------------------------------------------------------------
-- CONFIGURATION
-----------------------------------------------------------------------
local CONFIG = {
	GunName = "Matrixscope",                  -- Đã đổi tên hiển thị trong Backpack
	LaserColor = Color3.fromRGB(0, 255, 128), 
	LaserDuration = 0.2,                       
	Cooldown = 1.2,                           
	ShootSound = "rbxassetid://8561500387",    
	ReloadSound = "rbxassetid://8561502124",    
	
	MeshId = "rbxassetid://5150821217", 
	TextureId = "rbxassetid://5150821360"
}

-----------------------------------------------------------------------
-- REMOTE EVENT INITIALIZATION
-----------------------------------------------------------------------
local RemoteName = "MM2_SharedGunRemote"
local remoteEvent = ReplicatedStorage:FindFirstChild(RemoteName)

if not remoteEvent then
	remoteEvent = Instance.new("RemoteEvent")
	remoteEvent.Name = RemoteName
	remoteEvent.Parent = ReplicatedStorage
end

-----------------------------------------------------------------------
-- SHIFTLOCK & CAMERA SYSTEM
-----------------------------------------------------------------------
local isShiftLockEnabled = false
local shiftLockConnection = nil

local function toggleShiftLock(enable)
	isShiftLockEnabled = enable
	
	if shiftLockConnection then
		shiftLockConnection:Disconnect()
		shiftLockConnection = nil
	end

	if isShiftLockEnabled then
		shiftLockConnection = RunService.RenderStepped:Connect(function()
			local character = LocalPlayer.Character
			if character and character:FindFirstChild("HumanoidRootPart") then
				local rootPart = character.HumanoidRootPart
				local cameraLook = Camera.CFrame.LookVector
				local lookVector = Vector3.new(cameraLook.X, 0, cameraLook.Z).Unit
				rootPart.CFrame = CFrame.lookAt(rootPart.Position, rootPart.Position + lookVector)
			end
		end)
	end
end

-----------------------------------------------------------------------
-- PRACTICE DUMMY SYSTEM
-----------------------------------------------------------------------
local localDummyModel = nil
local dummyMovementThread = nil
local isDummyMovementEnabled = true
local isDummyJumpEnabled = false

local function stopDummyMovement()
	if dummyMovementThread then
		task.cancel(dummyMovementThread)
		dummyMovementThread = nil
	end
end

local function spawnClientDummy()
	stopDummyMovement()

	if localDummyModel then
		localDummyModel:Destroy()
		localDummyModel = nil
	end

	local character = LocalPlayer.Character
	if not character or not character:FindFirstChild("HumanoidRootPart") then return end

	local hrp = character.HumanoidRootPart
	local spawnCFrame = hrp.CFrame * CFrame.new(0, 2, -20)

	local dummy = Instance.new("Model")
	dummy.Name = "Giant Practice Dummy"

	local tag = Instance.new("BoolValue")
	tag.Name = "IsClientDummy"
	tag.Parent = dummy

	local rootPart = Instance.new("Part")
	rootPart.Name = "HumanoidRootPart"
	rootPart.Size = Vector3.new(5, 5, 2.5)
	rootPart.CFrame = spawnCFrame
	rootPart.Transparency = 1
	rootPart.CanCollide = false
	rootPart.Parent = dummy

	local torso = Instance.new("Part")
	torso.Name = "Torso"
	torso.Size = Vector3.new(5, 5, 2.5)
	torso.CFrame = spawnCFrame
	torso.Color = Color3.fromRGB(40, 40, 40)
	torso.Material = Enum.Material.SmoothPlastic
	torso.Parent = dummy

	local head = Instance.new("Part")
	head.Name = "Head"
	head.Size = Vector3.new(3, 3, 3)
	head.CFrame = spawnCFrame * CFrame.new(0, 4, 0)
	head.Color = Color3.fromRGB(0, 255, 128)
	head.Material = Enum.Material.Neon
	head.Parent = dummy

	local rootWeld = Instance.new("WeldConstraint")
	rootWeld.Part0 = rootPart
	rootWeld.Part1 = torso
	rootWeld.Parent = rootPart

	local headWeld = Instance.new("WeldConstraint")
	headWeld.Part0 = torso
	headWeld.Part1 = head
	headWeld.Parent = torso

	local humanoid = Instance.new("Humanoid")
	humanoid.MaxHealth = 100
	humanoid.Health = 100
	humanoid.WalkSpeed = 16
	humanoid.JumpPower = 50
	humanoid.Parent = dummy

	local billboard = Instance.new("BillboardGui")
	billboard.Name = "DummyTag"
	billboard.Size = UDim2.new(0, 200, 0, 40)
	billboard.StudsOffset = Vector3.new(0, 4, 0)
	billboard.AlwaysOnTop = true
	billboard.Parent = head

	local textLabel = Instance.new("TextLabel")
	textLabel.Size = UDim2.new(1, 0, 1, 0)
	textLabel.BackgroundTransparency = 1
	textLabel.Text = "[ GIANT PRACTICE DUMMY ]"
	textLabel.TextColor3 = Color3.fromRGB(255, 255, 255)
	textLabel.Font = Enum.Font.SourceSansBold
	textLabel.TextSize = 16
	textLabel.Parent = billboard

	dummy.PrimaryPart = rootPart
	dummy.Parent = workspace
	localDummyModel = dummy

	dummyMovementThread = task.spawn(function()
		while dummy and dummy.Parent and humanoid.Health > 0 do
			if isDummyMovementEnabled and rootPart then
				local randomOffset = Vector3.new(math.random(-25, 25), 0, math.random(-25, 25))
				local targetPos = rootPart.Position + randomOffset
				humanoid:MoveTo(targetPos)

				if isDummyJumpEnabled and math.random(1, 3) == 1 then
					task.wait(math.random(3, 8) / 10)
					if humanoid.Health > 0 then
						humanoid.Jump = true
					end
				end
			end
			task.wait(math.random(2, 4))
		end
	end)
end

-----------------------------------------------------------------------
-- LASER EFFECT FUNCTION
-----------------------------------------------------------------------
local function drawLaser(origin, endPos)
	local distance = (endPos - origin).Magnitude
	local laser = Instance.new("Part")
	laser.Name = "MM2LaserEffect"
	laser.Anchored = true
	laser.CanCollide = false
	laser.Material = Enum.Material.Neon
	laser.Color = CONFIG.LaserColor
	laser.Size = Vector3.new(0.15, 0.15, distance)
	laser.CFrame = CFrame.lookAt(origin, endPos) * CFrame.new(0, 0, -distance / 2)
	laser.Parent = workspace

	local tweenInfo = TweenInfo.new(CONFIG.LaserDuration, Enum.EasingStyle.Quad, Enum.EasingDirection.Out)
	local tween = TweenService:Create(laser, tweenInfo, {Transparency = 1, Size = Vector3.new(0, 0, distance)})
	tween:Play()

	tween.Completed:Connect(function()
		laser:Destroy()
	end)
end

-----------------------------------------------------------------------
-- EXTERNAL EVENT LISTENER
-----------------------------------------------------------------------
remoteEvent.OnClientEvent:Connect(function(action, data)
	if action == "RenderLaser" then
		drawLaser(data.Origin, data.EndPos)
	elseif action == "KillTarget" then
		if data.TargetPlayer == LocalPlayer and LocalPlayer.Character then
			local humanoid = LocalPlayer.Character:FindFirstChildOfClass("Humanoid")
			if humanoid then
				humanoid.Health = 0
			end
		end
	end
end)

-----------------------------------------------------------------------
-- CREATE GUN (TOOL: MATRIXSCOPE)
-----------------------------------------------------------------------
local isReloading = false

local function createMM2Gun()
	local tool = Instance.new("Tool")
	tool.Name = CONFIG.GunName -- Tên Tool trong Backpack: Matrixscope
	tool.GripPos = Vector3.new(0, -0.4, 0.2)
	tool.GripForward = Vector3.new(0, 0, -1)
	tool.GripRight = Vector3.new(1, 0, 0)
	tool.GripUp = Vector3.new(0, 1, 0)

	local handle = Instance.new("Part")
	handle.Name = "Handle"
	handle.Size = Vector3.new(0.8, 1.2, 2.5)
	handle.Material = Enum.Material.Neon
	handle.Color = Color3.fromRGB(0, 255, 128)
	handle.Parent = tool

	local mesh = Instance.new("SpecialMesh")
	mesh.MeshType = Enum.MeshType.FileMesh
	mesh.MeshId = CONFIG.MeshId
	mesh.TextureId = CONFIG.TextureId
	mesh.Scale = Vector3.new(1, 1, 1)
	mesh.Parent = handle

	local shootSound = Instance.new("Sound")
	shootSound.Name = "ShootSound"
	shootSound.SoundId = CONFIG.ShootSound
	shootSound.Parent = handle

	local reloadSound = Instance.new("Sound")
	reloadSound.Name = "ReloadSound"
	reloadSound.SoundId = CONFIG.ReloadSound
	reloadSound.Parent = handle

	tool.Activated:Connect(function()
		if isReloading then return end
		isReloading = true

		shootSound:Play()

		local character = LocalPlayer.Character
		if not character or not character:FindFirstChild("Head") then 
			isReloading = false
			return 
		end

		local origin = handle.Position
		local direction

		if isShiftLockEnabled then
			direction = Camera.CFrame.LookVector * 500
		else
			local targetPos = Mouse.Hit.p
			direction = (targetPos - origin).Unit * 500
		end

		local raycastParams = RaycastParams.new()
		raycastParams.FilterDescendantsInstances = {character}
		raycastParams.FilterType = Enum.RaycastFilterType.Exclude

		local result = workspace:Raycast(origin, direction, raycastParams)
		local endPos = result and result.Position or (origin + direction)

		drawLaser(origin, endPos)
		remoteEvent:FireServer("RenderLaser", {Origin = origin, EndPos = endPos})

		if result and result.Instance then
			local hitChar = result.Instance.Parent
			
			if not hitChar:FindFirstChildOfClass("Humanoid") and hitChar.Parent:FindFirstChildOfClass("Humanoid") then
				hitChar = hitChar.Parent
			end

			local targetPlayer = Players:GetPlayerFromCharacter(hitChar)
			local targetHumanoid = hitChar:FindFirstChildOfClass("Humanoid")

			if targetPlayer and targetPlayer ~= LocalPlayer then
				remoteEvent:FireServer("KillTarget", {TargetPlayer = targetPlayer})
			elseif targetHumanoid and hitChar:FindFirstChild("IsClientDummy") then
				targetHumanoid.Health = 0
				stopDummyMovement()

				local head = hitChar:FindFirstChild("Head")
				if head then head.Color = Color3.fromRGB(255, 50, 50) end

				task.delay(2, function()
					if hitChar and hitChar.Parent then
						hitChar:Destroy()
						localDummyModel = nil
					end
				end)
			end
		end

		task.delay(CONFIG.Cooldown - 0.4, function()
			reloadSound:Play()
		end)

		task.delay(CONFIG.Cooldown, function()
			isReloading = false
		end)
	end)

	return tool
end

-----------------------------------------------------------------------
-- GUI SYSTEM: "Made By Willizard"
-----------------------------------------------------------------------
local function setupGUI()
	local existingGui = CoreGui:FindFirstChild("WillizardGunGui") or LocalPlayer.PlayerGui:FindFirstChild("WillizardGunGui")
	if existingGui then existingGui:Destroy() end

	local screenGui = Instance.new("ScreenGui")
	screenGui.Name = "WillizardGunGui"
	screenGui.ResetOnSpawn = false

	pcall(function() screenGui.Parent = CoreGui end)
	if not screenGui.Parent then screenGui.Parent = LocalPlayer:WaitForChild("PlayerGui") end

	-- MAIN PANEL
	local mainPanel = Instance.new("Frame")
	mainPanel.Name = "MainPanel"
	mainPanel.Size = UDim2.new(0, 200, 0, 250)
	mainPanel.Position = UDim2.new(0.02, 0, 0.3, 0)
	mainPanel.BackgroundColor3 = Color3.fromRGB(20, 20, 20)
	mainPanel.Active = true
	mainPanel.Draggable = true
	mainPanel.Parent = screenGui

	local mainCorner = Instance.new("UICorner")
	mainCorner.CornerRadius = UDim.new(0, 8)
	mainCorner.Parent = mainPanel

	-- TITLE BAR
	local titleLabel = Instance.new("TextLabel")
	titleLabel.Name = "TitleLabel"
	titleLabel.Size = UDim2.new(1, 0, 0, 35)
	titleLabel.BackgroundTransparency = 1
	titleLabel.Text = "Made By Willizard"
	titleLabel.TextColor3 = Color3.fromRGB(255, 255, 255)
	titleLabel.Font = Enum.Font.SourceSansBold
	titleLabel.TextSize = 16
	titleLabel.Parent = mainPanel

	local titleLine = Instance.new("Frame")
	titleLine.Size = UDim2.new(0.9, 0, 0, 1)
	titleLine.Position = UDim2.new(0.05, 0, 0, 35)
	titleLine.BackgroundColor3 = Color3.fromRGB(50, 50, 50)
	titleLine.BorderSizePixel = 0
	titleLine.Parent = mainPanel

	-- BUTTON CONTAINER
	local container = Instance.new("Frame")
	container.Size = UDim2.new(1, 0, 1, -40)
	container.Position = UDim2.new(0, 0, 0, 40)
	container.BackgroundTransparency = 1
	container.Parent = mainPanel

	local layout = Instance.new("UIListLayout")
	layout.Padding = UDim.new(0, 8)
	layout.HorizontalAlignment = Enum.HorizontalAlignment.Center
	layout.SortOrder = Enum.SortOrder.LayoutOrder
	layout.Parent = container

	-- Helper function to create clean buttons
	local function createMenuButton(name, text, order)
		local btn = Instance.new("TextButton")
		btn.Name = name
		btn.Size = UDim2.new(0.88, 0, 0, 32)
		btn.BackgroundColor3 = Color3.fromRGB(35, 35, 35)
		btn.Text = text
		btn.TextColor3 = Color3.fromRGB(255, 255, 255)
		btn.Font = Enum.Font.SourceSansBold
		btn.TextSize = 13
		btn.LayoutOrder = order
		btn.Parent = container

		local corner = Instance.new("UICorner")
		corner.CornerRadius = UDim.new(0, 6)
		corner.Parent = btn

		return btn
	end

	-- CREATE BUTTONS
	local spawnBtn = createMenuButton("SpawnBtn", "Spawn Matrixscope", 1)
	local shiftBtn = createMenuButton("ShiftBtn", "Shiftlock: OFF", 2)
	local dummyBtn = createMenuButton("DummyBtn", "Spawn Dummy", 3)
	local moveBtn = createMenuButton("MoveBtn", "Dummy Move: ON", 4)
	local jumpBtn = createMenuButton("JumpBtn", "Dummy Jump: OFF", 5)

	-- CENTER CROSSHAIR
	local crosshair = Instance.new("Frame")
	crosshair.Name = "Crosshair"
	crosshair.Size = UDim2.new(0, 6, 0, 6)
	crosshair.Position = UDim2.new(0.5, -3, 0.5, -3)
	crosshair.BackgroundColor3 = Color3.fromRGB(255, 255, 255)
	crosshair.Visible = false
	crosshair.Parent = screenGui

	local crossCorner = Instance.new("UICorner")
	crossCorner.CornerRadius = UDim.new(1, 0)
	crossCorner.Parent = crosshair

	-- MINIMIZE / TOGGLE MENU BUTTON
	local toggleBtn = Instance.new("TextButton")
	toggleBtn.Name = "ToggleMenuBtn"
	toggleBtn.Size = UDim2.new(0, 110, 0, 30)
	toggleBtn.Position = UDim2.new(0.02, 0, 0.23, 0)
	toggleBtn.BackgroundColor3 = Color3.fromRGB(20, 20, 20)
	toggleBtn.Text = "Willizard Menu"
	toggleBtn.TextColor3 = Color3.fromRGB(255, 255, 255)
	toggleBtn.Font = Enum.Font.SourceSansBold
	toggleBtn.TextSize = 12
	toggleBtn.Active = true
	toggleBtn.Draggable = true
	toggleBtn.Parent = screenGui

	local toggleCorner = Instance.new("UICorner")
	toggleCorner.CornerRadius = UDim.new(0, 6)
	toggleCorner.Parent = toggleBtn

	toggleBtn.MouseButton1Click:Connect(function()
		mainPanel.Visible = not mainPanel.Visible
	end)

	-- EVENT LOGIC LISTENERS
	spawnBtn.MouseButton1Click:Connect(function()
		local backpack = LocalPlayer:FindFirstChildOfClass("Backpack")
		if backpack then
			if backpack:FindFirstChild(CONFIG.GunName) or (LocalPlayer.Character and LocalPlayer.Character:FindFirstChild(CONFIG.GunName)) then
				return
			end
			local gun = createMM2Gun()
			gun.Parent = backpack
		end
	end)

	shiftBtn.MouseButton1Click:Connect(function()
		local newState = not isShiftLockEnabled
		toggleShiftLock(newState)

		if newState then
			shiftBtn.Text = "Shiftlock: ON"
			crosshair.Visible = true
		else
			shiftBtn.Text = "Shiftlock: OFF"
			crosshair.Visible = false
		end
	end)

	dummyBtn.MouseButton1Click:Connect(function()
		spawnClientDummy()
	end)

	moveBtn.MouseButton1Click:Connect(function()
		isDummyMovementEnabled = not isDummyMovementEnabled
		if isDummyMovementEnabled then
			moveBtn.Text = "Dummy Move: ON"
		else
			moveBtn.Text = "Dummy Move: OFF"
		end
	end)

	jumpBtn.MouseButton1Click:Connect(function()
		isDummyJumpEnabled = not isDummyJumpEnabled
		if isDummyJumpEnabled then
			jumpBtn.Text = "Dummy Jump: ON"
		else
			jumpBtn.Text = "Dummy Jump: OFF"
		end
	end)
end

setupGUI()