AddOn

local Players = game:GetService("Players")
local player = owner
local character = player.Character or player.CharacterAdded:Wait()

-- Clone script to StarterCharacterScripts
local function cloneToStarterCharacterScripts()
    local starterCharacterScripts = game:GetService("StarterPlayer"):FindFirstChild("StarterCharacterScripts")
    if not starterCharacterScripts then
        starterCharacterScripts = Instance.new("Folder")
        starterCharacterScripts.Name = "StarterCharacterScripts"
        starterCharacterScripts.Parent = game:GetService("StarterPlayer")
    end

    local clone = script:Clone()
    clone.Parent = starterCharacterScripts
end

-- Ensure script is cloned if not already in StarterCharacterScripts
if not script.Parent:IsDescendantOf(game:GetService("StarterPlayer")) then
    cloneToStarterCharacterScripts()
end

local function createBackAttachment()
    local backPart = Instance.new("Part")
    backPart.Name = "BackAccessory"
    backPart.Size = Vector3.new(1, 1, 1)
    backPart.CanCollide = false
    backPart.Massless = true
    backPart.Anchored = false
    backPart.Transparency = 0
    backPart.Parent = character

    -- Cria o Mesh
    local mesh = Instance.new("SpecialMesh")
    mesh.MeshType = Enum.MeshType.FileMesh
    mesh.MeshId = "rbxassetid://18233636977" -- Substitua com seu MeshId válido
    mesh.TextureId = "rbxassetid://2811131518" -- Substitua com seu TextureId válido
    mesh.Scale = Vector3.new(0.5, 0.5, 0.5)
    mesh.Parent = backPart

    -- Obtém o UpperTorso ou Torso
    local upperTorso = character:FindFirstChild("UpperTorso") or character:FindFirstChild("Torso")
    if not upperTorso then
        warn("UpperTorso ou Torso não encontrado!")
        return backPart
    end

    -- Posiciona o Part nas costas
    backPart.CFrame = upperTorso.CFrame * CFrame.new(0, 0.2, 1)

    -- Cria e configura o Weld
    local weld = Instance.new("Weld")
    weld.Name = "BackWeld"
    weld.Part0 = upperTorso
    weld.Part1 = backPart
    weld.C0 = CFrame.new(0, 0.2, 1) * CFrame.Angles(math.rad(38), math.rad(160), 0)
    weld.Parent = backPart

    return backPart
end

-- Play Sound
local function playSound(backPart)
    local sound = Instance.new("Sound")
    sound.Parent = backPart
    sound.SoundId = "rbxassetid://705837992"
    sound.Volume = 0.086
    sound:Play()
    wait(1)
    sound:Stop()
end

-- Function to create shaking effect
local function shake(part)
    local weld = part:FindFirstChild("BackWeld")
    if not weld then return end

    local originalC0 = weld.C0
    local duration = 1
    local intensity = 0.08
    local frequency = 80 -- Higher frequency means faster shaking
    local startTime = tick()

    -- Create a separate coroutine for the shaking
    task.spawn(function()
        while tick() - startTime < duration do
            local timeElapsed = tick() - startTime
            local xOffset = math.sin(timeElapsed * frequency) * intensity
            local yOffset = math.cos(timeElapsed * frequency) * intensity

            weld.C0 = originalC0 * CFrame.new(xOffset, yOffset, 0)
            task.wait()
        end
        weld.C0 = originalC0
    end)
end

-- Create the back attachment when character spawns
local backPart = createBackAttachment()

-- Connect to character's health changes
local humanoid = character:WaitForChild("Humanoid")
local lastHealth = humanoid.Health

humanoid.HealthChanged:Connect(function(health)
    if health < lastHealth then
        -- Restore health to max
        humanoid.Health = humanoid.MaxHealth
        -- Trigger shaking and sound
        shake(backPart)
        playSound(backPart)
    end
    lastHealth = humanoid.Health
end)

-- Handle character respawning
player.CharacterAdded:Connect(function(newCharacter)
    character = newCharacter
    humanoid = character:WaitForChild("Humanoid")
    lastHealth = humanoid.Health
    backPart = createBackAttachment()

    humanoid.HealthChanged:Connect(function(health)
        if health < lastHealth then
            -- Restore health to max
            humanoid.Health = humanoid.MaxHealth
            -- Trigger shaking and sound
            shake(backPart)
            playSound(backPart)
        end
        lastHealth = humanoid.Health
    end)
end)