local Players = game:GetService("Players")
local UserInputService = game:GetService("UserInputService")
local RunService = game:GetService("RunService")
local TweenService = game:GetService("TweenService")

local player = Players.LocalPlayer
local character = player.Character or player.CharacterAdded:Wait()
local humanoid = character:WaitForChild("Humanoid")
local rootPart = character:WaitForChild("HumanoidRootPart")
local camera = workspace.CurrentCamera

local WALL_STICK_FORCE = 50
local MOVE_SPEED = 16
local JUMP_FORCE = 50
local WALL_CHECK_DISTANCE = 5
local GRAVITY = workspace.Gravity
local WEB_SPEED = 100
local WEB_RANGE = 100
local WEB_THICKNESS = 0.2
local WEB_COLOR = Color3.fromRGB(255, 255, 255)

local isWallWalking = false
local wallNormal = Vector3.new(0, 1, 0)
local bodyVelocity = nil
local bodyGyro = nil
local isWebSwinging = false

local function setupBodyVelocity()
	if not bodyVelocity then
		bodyVelocity = Instance.new("BodyVelocity")
		bodyVelocity.MaxForce = Vector3.new(math.huge, math.huge, math.huge)
		bodyVelocity.Parent = rootPart
	end
	bodyVelocity.Velocity = Vector3.new(0, 0, 0)
end

local function setupBodyGyro()
	if not bodyGyro then
		bodyGyro = Instance.new("BodyGyro")
		bodyGyro.MaxTorque = Vector3.new(math.huge, math.huge, math.huge)
		bodyGyro.P = 10000
		bodyGyro.Parent = rootPart
	end
end

local function stopWallWalking()
	isWallWalking = false
	if bodyVelocity then
		bodyVelocity:Destroy()
		bodyVelocity = nil
	end
	if bodyGyro then
		bodyGyro:Destroy()
		bodyGyro = nil
	end
	humanoid.PlatformStand = false
	workspace.Gravity = GRAVITY
end

local function startWallWalking(normal)
	isWallWalking = true
	wallNormal = normal
	workspace.Gravity = 0
	humanoid.PlatformStand = true
	setupBodyVelocity()
	setupBodyGyro()
end

local function checkForWall()
	local rayOrigin = rootPart.Position
	local rayDirection = rootPart.CFrame.LookVector * WALL_CHECK_DISTANCE
	local raycastParams = RaycastParams.new()
	raycastParams.FilterDescendantsInstances = {character}
	raycastParams.FilterType = Enum.RaycastFilterType.Blacklist

	local raycastResult = workspace:Raycast(rayOrigin, rayDirection, raycastParams)
	if raycastResult and not isWallWalking and not isWebSwinging then
		startWallWalking(raycastResult.Normal)
	end
end

local function updateWallWalking()
	if not isWallWalking or isWebSwinging then return end

	local upVector = -wallNormal
	local lookVector = rootPart.CFrame.LookVector
	local rightVector = upVector:Cross(lookVector)
	local cframe = CFrame.fromMatrix(rootPart.Position, rightVector, upVector, lookVector)
	bodyGyro.CFrame = cframe

	local moveDirection = Vector3.new(0, 0, 0)
	if UserInputService:IsKeyDown(Enum.KeyCode.W) then
		moveDirection = moveDirection + rootPart.CFrame.LookVector
	end
	if UserInputService:IsKeyDown(Enum.KeyCode.S) then
		moveDirection = moveDirection - rootPart.CFrame.LookVector
	end
	if UserInputService:IsKeyDown(Enum.KeyCode.A) then
		moveDirection = moveDirection - rootPart.CFrame.RightVector
	end
	if UserInputService:IsKeyDown(Enum.KeyCode.D) then
		moveDirection = moveDirection + rootPart.CFrame.RightVector
	end

	bodyVelocity.Velocity = moveDirection * MOVE_SPEED + (wallNormal * -WALL_STICK_FORCE)
end

local function createWebRope(startPos, endPos)
	local rope = Instance.new("Part")
	rope.Anchored = true
	rope.CanCollide = false
	rope.Material = Enum.Material.Neon
	rope.Color = WEB_COLOR
	rope.Parent = workspace

	local distance = (endPos - startPos).Magnitude
	rope.Size = Vector3.new(WEB_THICKNESS, WEB_THICKNESS, distance)
	rope.CFrame = CFrame.new(startPos, endPos) * CFrame.new(0, 0, -distance / 2)

	local tweenInfo = TweenInfo.new(0.5, Enum.EasingStyle.Linear, Enum.EasingDirection.In)
	local tween = TweenService:Create(rope, tweenInfo, {Transparency = 1})
	tween:Play()
	tween.Completed:Connect(function()
		rope:Destroy()
	end)
end

local function webSwing()
	if isWebSwinging or isWallWalking then return end

	local mouse = player:GetMouse()
	local rayOrigin = camera.CFrame.Position
	local rayDirection = (mouse.Hit.Position - rayOrigin).Unit * WEB_RANGE
	local raycastParams = RaycastParams.new()
	raycastParams.FilterDescendantsInstances = {character}
	raycastParams.FilterType = Enum.RaycastFilterType.Blacklist

	local raycastResult = workspace:Raycast(rayOrigin, rayDirection, raycastParams)
	if raycastResult then
		isWebSwinging = true
		local targetPos = raycastResult.Position
		createWebRope(rootPart.Position, targetPos)

		local direction = (targetPos - rootPart.Position).Unit
		rootPart.Velocity = direction * WEB_SPEED

		task.wait(0.5)
		rootPart.Velocity = Vector3.new(0, 0, 0)
		isWebSwinging = false
	end
end

UserInputService.InputBegan:Connect(function(input, gameProcessedEvent)
	if gameProcessedEvent then return end
	if input.KeyCode == Enum.KeyCode.E then
		webSwing()
	end
end)

UserInputService.JumpRequest:Connect(function()
	if isWallWalking then
		stopWallWalking()
		rootPart.Velocity = wallNormal * JUMP_FORCE
	end
end)

local function checkWallContact()
	if isWallWalking then
		local rayOrigin = rootPart.Position
		local rayDirection = -wallNormal * WALL_CHECK_DISTANCE
		local raycastParams = RaycastParams.new()
		raycastParams.FilterDescendantsInstances = {character}
		raycastParams.FilterType = Enum.RaycastFilterType.Blacklist

		local raycastResult = workspace:Raycast(rayOrigin, rayDirection, raycastParams)
		if not raycastResult then
			stopWallWalking()
		end
	end
end

RunService.RenderStepped:Connect(function()
	checkForWall()
	updateWallWalking()
	checkWallContact()
end)

player.CharacterAdded:Connect(function(newCharacter)
	character = newCharacter
	humanoid = character:WaitForChild("Humanoid")
	rootPart = character:WaitForChild("HumanoidRootPart")
	stopWallWalking()
	isWebSwinging = false
end)