-- [[ Rscripts Risk Notice ]]
-- This script is not verified by rscripts.net. Deal with caution.
--
-- Stay safe:
--   • Never log in on unofficial Roblox sites or lookalike domains.
--   • Real Roblox links use roblox.com (check the .com ending).
--   • Treat fake Roblox login / "claim reward" pages as phishing.
-- [[ End Rscripts Risk Notice ]]

-- LAUNCH YOUR CAR | MONO GROUND BOOST
-- F6 — автобуст
-- F7 — остановка
-- F8 — удержание у земли
-- RightShift — меню

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

local player = Players.LocalPlayer
local playerGui = player:WaitForChild("PlayerGui")
local env = (getgenv and getgenv()) or _G

if env.LaunchCarBoost then
    pcall(function()
        env.LaunchCarBoost.Stop()
    end)
end

local old = playerGui:FindFirstChild("MONO_GROUND_BOOST")
if old then
    old:Destroy()
end

local state = {
    Running = true,
    Enabled = false,
    GroundLock = false,

    Multiplier = 5,
    SpeedLimit = 1200,
    BoostDuration = 3,

    -- Максимальная высота Chassis над найденной поверхностью
    GroundHeight = 5,

    Phase = "WAIT",
    LastCar = nil,
    BoostUntil = 0,
    TargetSpeed = 0,
    LowSince = nil,
    StopUntil = 0,
    GroundStatus = "выкл",

    Connections = {}
}

env.LaunchCarBoost = state

local gui = Instance.new("ScreenGui")
gui.Name = "MONO_GROUND_BOOST"
gui.ResetOnSpawn = false
gui.DisplayOrder = 1000
gui.Parent = playerGui

local frame = Instance.new("Frame")
frame.Size = UDim2.fromOffset(350, 390)
frame.Position = UDim2.new(0, 25, 0.5, -195)
frame.BackgroundColor3 = Color3.fromRGB(15, 17, 25)
frame.BorderSizePixel = 0
frame.Active = true
frame.Draggable = true
frame.Parent = gui

local function round(object, radius)
    local c = Instance.new("UICorner")
    c.CornerRadius = UDim.new(0, radius)
    c.Parent = object
end

round(frame, 14)

local outline = Instance.new("UIStroke")
outline.Color = Color3.fromRGB(158, 70, 255)
outline.Thickness = 1.5
outline.Parent = frame

local accent = Instance.new("Frame")
accent.Size = UDim2.new(1, 0, 0, 5)
accent.BackgroundColor3 = Color3.fromRGB(170, 75, 255)
accent.BorderSizePixel = 0
accent.Parent = frame
round(accent, 5)

local function label(text, x, y, width, height, size, color)
    local l = Instance.new("TextLabel")
    l.Position = UDim2.fromOffset(x, y)
    l.Size = UDim2.fromOffset(width, height)
    l.BackgroundTransparency = 1
    l.Text = text
    l.TextSize = size
    l.Font = Enum.Font.GothamBold
    l.TextColor3 = color or Color3.fromRGB(240, 240, 255)
    l.Parent = frame
    return l
end

local function button(text, x, y, width, height, color)
    local b = Instance.new("TextButton")
    b.Position = UDim2.fromOffset(x, y)
    b.Size = UDim2.fromOffset(width, height)
    b.BackgroundColor3 = color
    b.BorderSizePixel = 0
    b.Text = text
    b.TextColor3 = Color3.new(1, 1, 1)
    b.TextSize = 14
    b.Font = Enum.Font.GothamBold
    b.Parent = frame
    round(b, 8)
    return b
end

label(
    "MONO GROUND BOOST",
    10, 10, 330, 28, 19,
    Color3.fromRGB(205, 160, 255)
)

label(
    "АВТОБУСТ • УДЕРЖАНИЕ У ЗЕМЛИ",
    10, 38, 330, 16, 10,
    Color3.fromRGB(140, 145, 165)
)

local toggle = button("", 12, 62, 326, 38, Color3.fromRGB(125, 42, 62))

local minus = button("-", 12, 110, 48, 38, Color3.fromRGB(42, 45, 62))
minus.TextSize = 22

local multiplierLabel = label("", 65, 110, 220, 38, 18)

local plus = button("+", 290, 110, 48, 38, Color3.fromRGB(42, 45, 62))
plus.TextSize = 22

local groundButton = button("", 12, 158, 326, 38, Color3.fromRGB(55, 58, 75))

local limitLabel = label(
    "Лимит скорости:",
    12, 204, 145, 30, 13,
    Color3.fromRGB(190, 195, 215)
)
limitLabel.TextXAlignment = Enum.TextXAlignment.Left

local limitBox = Instance.new("TextBox")
limitBox.Position = UDim2.fromOffset(165, 203)
limitBox.Size = UDim2.fromOffset(173, 32)
limitBox.BackgroundColor3 = Color3.fromRGB(36, 39, 54)
limitBox.BorderSizePixel = 0
limitBox.TextColor3 = Color3.new(1, 1, 1)
limitBox.Font = Enum.Font.GothamBold
limitBox.TextSize = 14
limitBox.ClearTextOnFocus = false
limitBox.Parent = frame
round(limitBox, 8)

local stopButton = button(
    "ОСТАНОВИТЬ МАШИНУ",
    12, 245, 326, 38,
    Color3.fromRGB(180, 55, 75)
)

local status = label(
    "Автобуст выключен",
    12, 288, 326, 42, 12,
    Color3.fromRGB(185, 195, 215)
)
status.TextWrapped = true

local groundStatus = label(
    "Земля: выкл",
    12, 329, 326, 20, 11,
    Color3.fromRGB(150, 170, 190)
)

label(
    "F6 — буст | F7 — стоп | F8 — земля | RightShift — меню",
    8, 359, 334, 20, 10,
    Color3.fromRGB(130, 135, 155)
)

local function updateMenu()
    multiplierLabel.Text = string.format("СКОРОСТЬ ×%.1f", state.Multiplier)
    limitBox.Text = tostring(state.SpeedLimit)

    toggle.Text = state.Enabled and "АВТОБУСТ: ВКЛ" or "АВТОБУСТ: ВЫКЛ"
    toggle.BackgroundColor3 = state.Enabled
        and Color3.fromRGB(100, 55, 195)
        or Color3.fromRGB(125, 42, 62)

    groundButton.Text = state.GroundLock
        and "УДЕРЖАНИЕ У ЗЕМЛИ: ВКЛ"
        or "УДЕРЖАНИЕ У ЗЕМЛИ: ВЫКЛ"

    groundButton.BackgroundColor3 = state.GroundLock
        and Color3.fromRGB(38, 120, 105)
        or Color3.fromRGB(55, 58, 75)

    if not state.GroundLock then
        groundStatus.Text = "Земля: выкл"
    end
end

local function findCar()
    local car = workspace:FindFirstChild("StudCar")

    if not car or not car:IsA("Model") then
        return nil, nil
    end

    local chassis = car:FindFirstChild("Chassis", true)

    if chassis and chassis:IsA("BasePart") then
        return car, chassis
    end

    return car, nil
end

local function setEnabled(value)
    state.Enabled = value
    state.LowSince = nil

    if value then
        local _, chassis = findCar()

        if chassis and chassis.AssemblyLinearVelocity.Magnitude >= 5 then
            state.Phase = "COAST"
            status.Text = "Жду остановки перед следующим запуском"
        else
            state.Phase = "WAIT"
            status.Text = "Готов: ожидаю запуск"
        end
    else
        state.Phase = "WAIT"
        status.Text = "Автобуст выключен"
    end

    updateMenu()
end

local function setGround(value)
    state.GroundLock = value
    updateMenu()
end

local function stopCar()
    local _, chassis = findCar()

    state.Enabled = false
    state.Phase = "WAIT"
    state.LowSince = nil
    updateMenu()

    if not chassis then
        status.Text = "Машина или Chassis не найдены"
        return
    end

    state.StopUntil = os.clock() + 1
    status.Text = "Пытаюсь остановить машину на 1 секунду"

    pcall(function()
        chassis.AssemblyLinearVelocity = Vector3.zero
        chassis.AssemblyAngularVelocity = Vector3.zero
    end)
end

table.insert(state.Connections, toggle.MouseButton1Click:Connect(function()
    setEnabled(not state.Enabled)
end))

table.insert(state.Connections, minus.MouseButton1Click:Connect(function()
    state.Multiplier = math.max(1, state.Multiplier - 0.5)
    updateMenu()
end))

table.insert(state.Connections, plus.MouseButton1Click:Connect(function()
    state.Multiplier = math.min(8, state.Multiplier + 0.5)
    updateMenu()
end))

table.insert(state.Connections, groundButton.MouseButton1Click:Connect(function()
    setGround(not state.GroundLock)
end))

table.insert(state.Connections, limitBox.FocusLost:Connect(function()
    local value = tonumber(limitBox.Text)

    if value then
        state.SpeedLimit = math.floor(math.clamp(value, 100, 5000))
    end

    updateMenu()
end))

table.insert(state.Connections, stopButton.MouseButton1Click:Connect(stopCar))

table.insert(state.Connections, UIS.InputBegan:Connect(function(input)
    if UIS:GetFocusedTextBox() then
        return
    end

    if input.KeyCode == Enum.KeyCode.F6 then
        setEnabled(not state.Enabled)
    elseif input.KeyCode == Enum.KeyCode.F7 then
        stopCar()
    elseif input.KeyCode == Enum.KeyCode.F8 then
        setGround(not state.GroundLock)
    elseif input.KeyCode == Enum.KeyCode.RightShift then
        frame.Visible = not frame.Visible
    end
end))

function state.Stop()
    if not state.Running then
        return
    end

    state.Running = false
    state.Enabled = false
    state.GroundLock = false

    for _, connection in ipairs(state.Connections) do
        connection:Disconnect()
    end

    gui:Destroy()
end

-- Ищем физическую поверхность под машиной.
local rayParams = RaycastParams.new()
rayParams.FilterType = Enum.RaycastFilterType.Exclude
rayParams.IgnoreWater = true
rayParams.RespectCanCollide = true

local function keepNearGround(car, chassis)
    local excluded = {car}

    if player.Character then
        table.insert(excluded, player.Character)
    end

    rayParams.FilterDescendantsInstances = excluded

    local result = workspace:Raycast(
        chassis.Position,
        Vector3.new(0, -100, 0),
        rayParams
    )

    if not result then
        groundStatus.Text = "Земля: поверхность не найдена"
        return
    end

    local distance = (chassis.Position - result.Position).Magnitude
    local velocity = chassis.AssemblyLinearVelocity

    groundStatus.Text = string.format("Земля найдена | высота %.1f", distance)

    -- Не телепортируем машину: гасим подъём и мягко
    -- направляем вниз, если она выше заданной высоты.
    local vertical = velocity.Y

    if vertical > 0 then
        vertical = 0
    end

    if distance > state.GroundHeight + 1 then
        vertical = math.min(vertical, -math.min((distance - state.GroundHeight) * 3, 60))
    end

    if vertical ~= velocity.Y then
        chassis.AssemblyLinearVelocity = Vector3.new(
            velocity.X,
            vertical,
            velocity.Z
        )
    end
end

table.insert(state.Connections, RunService.Heartbeat:Connect(function()
    if not state.Running then
        return
    end

    local now = os.clock()
    local car, chassis = findCar()

    if now < state.StopUntil then
        if chassis and not chassis.Anchored then
            pcall(function()
                chassis.AssemblyLinearVelocity = Vector3.zero
                chassis.AssemblyAngularVelocity = Vector3.zero
            end)
        end
        return
    end

    if not car or not chassis then
        if state.Enabled then
            state.LastCar = nil
            state.Phase = "WAIT"
            state.LowSince = nil
            status.Text = "Ожидаю машину"
        end

        if state.GroundLock then
            groundStatus.Text = "Земля: машина не найдена"
        end

        return
    end

    if car ~= state.LastCar then
        state.LastCar = car
        state.Phase = "WAIT"
        state.LowSince = nil
    end

    if chassis.Anchored then
        if state.Enabled then
            state.Phase = "WAIT"
            status.Text = "Машина закреплена — ожидаю запуск"
        end

        if state.GroundLock then
            groundStatus.Text = "Земля: машина закреплена"
        end

        return
    end

    local velocity = chassis.AssemblyLinearVelocity
    local speed = velocity.Magnitude

    if state.Enabled then
        if state.Phase == "WAIT" then
            if speed >= 40 then
                local target = math.min(
                    speed * state.Multiplier,
                    state.SpeedLimit
                )

                state.TargetSpeed = target
                state.BoostUntil = now + state.BoostDuration
                state.Phase = "BOOST"
                state.LowSince = nil

                local ok, err = pcall(function()
                    chassis.AssemblyLinearVelocity = velocity.Unit * target
                end)

                if not ok then
                    state.Phase = "COAST"
                    status.Text = "Ошибка изменения скорости"
                    warn("[MONO GROUND BOOST]", err)
                end
            else
                status.Text = string.format(
                    "Готов: ожидаю запуск | скорость %.0f",
                    speed
                )
            end

        elseif state.Phase == "BOOST" then
            if now >= state.BoostUntil then
                state.Phase = "COAST"
                state.LowSince = nil
                status.Text = "Буст завершён — машина движется сама"
            elseif speed < 5 then
                state.LowSince = state.LowSince or now

                if now - state.LowSince >= 0.3 then
                    state.Phase = "COAST"
                    state.LowSince = nil
                    status.Text = "Машина остановилась — буст выключен"
                end
            else
                state.LowSince = nil

                local target = math.min(state.TargetSpeed, state.SpeedLimit)

                if speed < target or speed > state.SpeedLimit then
                    pcall(function()
                        chassis.AssemblyLinearVelocity = velocity.Unit * target
                    end)
                end

                status.Text = string.format(
                    "АВТОБУСТ ×%.1f | %.1f сек. | %.0f",
                    state.Multiplier,
                    math.max(0, state.BoostUntil - now),
                    speed
                )
            end

        elseif state.Phase == "COAST" then
            if speed < 5 then
                state.LowSince = state.LowSince or now

                if now - state.LowSince >= 2 then
                    state.Phase = "WAIT"
                    state.LowSince = nil
                    status.Text = "Остановилась — готов к новому запуску"
                end
            else
                state.LowSince = nil
                status.Text = string.format(
                    "Буст выключен | скорость %.0f",
                    speed
                )
            end
        end
    end

    -- Применяем после буста, чтобы он не возвращал подъём вверх.
    if state.GroundLock then
        local ok, err = pcall(keepNearGround, car, chassis)

        if not ok then
            groundStatus.Text = "Земля: ошибка проверки"
            warn("[MONO GROUND BOOST]", err)
        end
    end
end))

updateMenu()