WalkHandler

local sounds = game:GetService("ReplicatedStorage"):WaitForChild("FootstepsReplicatedStorage"):WaitForChild("Sounds")
local footstep = game:GetService("ReplicatedStorage").FootstepsReplicatedStorage:WaitForChild("Footstep"):WaitForChild("FootstepPart")


local footstepsContainer = Instance.new("Folder")
footstepsContainer.Name = "FOOTSTEPS"
footstepsContainer.Parent = workspace


local ts = game:GetService("TweenService")
local fadeTI = TweenInfo.new(2, Enum.EasingStyle.Quad, Enum.EasingDirection.In)


local char = game.Players.LocalPlayer.Character or game.Players.LocalPlayer.CharacterAdded:Wait()
local hum = char:WaitForChild("Humanoid")

local root = char:WaitForChild("HumanoidRootPart")
root:WaitForChild("Running").Volume = 0

local walkAnim = hum:WaitForChild("Animator"):LoadAnimation(script:WaitForChild("Animation"))

local notWalkingStates = {Enum.HumanoidStateType.Jumping, Enum.HumanoidStateType.FallingDown, Enum.HumanoidStateType.Climbing, Enum.HumanoidStateType.Swimming, Enum.HumanoidStateType.Flying, Enum.HumanoidStateType.Freefall, Enum.HumanoidStateType.Landed}


local footstepMaterials = {
    "Sand",
    "Mud",
    "Grass",
}

local timeForStepToDisappear = 5

local colorOffset = Color3.new(-0.1, -0.1, -0.1)


game:GetService("RunService").Heartbeat:Connect(function()

    local md = hum.MoveDirection.Magnitude
    local currentState = hum:GetState()

    walkAnim:AdjustSpeed(hum.WalkSpeed / 16)

    if md > 0.1 and not walkAnim.IsPlaying and not table.find(notWalkingStates, currentState) then
        walkAnim:Play()

    elseif (md <= 0.1 or table.find(notWalkingStates, currentState)) and walkAnim.IsPlaying then
        walkAnim:Stop()
    end
end)


function getPartUnderCharacter(foot)

    local origin = foot.Position + Vector3.new(0, 0.5, 0)
    local direction = Vector3.new(0, -1, 0)

    local rp = RaycastParams.new()
    rp.FilterDescendantsInstances = {char, footstepsContainer}
    rp.IgnoreWater = true

    local ray = workspace:Raycast(origin, direction, rp)

    if ray and ray.Instance.Transparency < 1 then

        local material = string.split(tostring(ray.Material), ".")[3]

        local sound = sounds:FindFirstChild(material) or sounds:WaitForChild("Default")

        local soundCopy = sound:Clone()
        soundCopy.Parent = foot
        soundCopy:Play()

        soundCopy.Ended:Connect(function()
            soundCopy:Destroy()
        end)

        if ray.Instance.Anchored and table.find(footstepMaterials, material) then

            local newFootstep = footstep:Clone()

            local position = foot.Position + Vector3.new(0, newFootstep.Size.Y/2 - foot.Size.Y/2, 0)
            local orientation = Vector3.new(0, foot.Orientation.Y, 0) + Vector3.new(ray.Normal.Z, 0, ray.Normal.X)

            newFootstep.CFrame = CFrame.new(position) * CFrame.Angles(orientation.X, math.rad(orientation.Y), orientation.Z)

            newFootstep.Material = ray.Instance.Material

            newFootstep.Transparency = ray.Instance.Transparency

            local r = math.clamp(ray.Instance.Color.R - colorOffset.R, 0, 1)
            local g = math.clamp(ray.Instance.Color.G - colorOffset.G, 0, 1)
            local b = math.clamp(ray.Instance.Color.B - colorOffset.B, 0, 1)
            newFootstep.Color = Color3.new(r, g, b)

            newFootstep.Parent = footstepsContainer

            task.wait(timeForStepToDisappear)

            local fadeTween = ts:Create(newFootstep, fadeTI, {Transparency = 1})
            fadeTween:Play()

            fadeTween.Completed:Wait()
            fadeTween:Destroy()
            newFootstep:Destroy()
        end
    end
end


walkAnim:GetMarkerReachedSignal("Right Foot Down"):Connect(function()
    getPartUnderCharacter(char:WaitForChild("RightFoot"))
end)
walkAnim:GetMarkerReachedSignal("Left Foot Down"):Connect(function()
    getPartUnderCharacter(char:WaitForChild("LeftFoot"))
end)