--==================================================
-- ZERO G CHAOTIC ATTRACTOR MARBLE
-- Re-exec safe, fully unloadable, state resilient
--==================================================

--========== IF OLD VERSION EXISTS, DESTROY IT ==========
if type(_G.ZeroGBounceController) == "table" and _G.ZeroGBounceController.Unload then
    pcall(function()
        _G.ZeroGBounceController.Unload()
    end)
end

--========== SERVICES ==========
local Players = game:GetService("Players")
local UserInputService = game:GetService("UserInputService")
local RunService = game:GetService("RunService")
local Camera = workspace.CurrentCamera

local player = Players.LocalPlayer
if not player then return end

--========== CONFIG ==========
local SIZE = 6
local SPEED_MULTIPLIER = 120
local BOUNCE_FORCE = 150
local CHAOS_SPIN = 25

-- Gravity
local GRAV = 0

-- 🧲 Attraction Settings
local ATTRACTION_FORCE = 0       -- strength of pull
local ATTRACTION_INTERVAL = 999999     -- seconds between nudges

--========== CONTROLLER OBJECT ==========
local Controller = {}
Controller.Enabled = true
Controller.Connections = {}
Controller.CharConnections = {}
Controller.OriginalGravity = workspace.Gravity
Controller.OriginalCameraSubject = Camera.CameraSubject
Controller.OriginalCollisions = {}

_G.ZeroGBounceController = Controller

--========== CLEAN RESTORE ==========
function Controller.Unload()

    if not Controller.Enabled then return end
    Controller.Enabled = false

    -- Disconnect everything
    for _,c in pairs(Controller.Connections) do
        pcall(function() c:Disconnect() end)
    end
    for _,c in pairs(Controller.CharConnections) do
        pcall(function() c:Disconnect() end)
    end

    Controller.Connections = {}
    Controller.CharConnections = {}

    -- Restore gravity
    workspace.Gravity = Controller.OriginalGravity

    -- Restore camera
    pcall(function()
        Camera.CameraSubject = Controller.OriginalCameraSubject
    end)

    -- Restore collisions
    for part,state in pairs(Controller.OriginalCollisions) do
        if part and part.Parent then
            pcall(function()
                part.CanCollide = state
            end)
        end
    end

    Controller.OriginalCollisions = {}

    -- Restore humanoid state
    if player.Character then
        local hum = player.Character:FindFirstChildOfClass("Humanoid")
        if hum then
            pcall(function()
                hum.PlatformStand = false
            end)
        end
    end

    _G.ZeroGBounceController = nil
end

--========== APPLY EFFECT ==========
local function ApplyToCharacter(character)

    if not Controller.Enabled then return end

    local humanoid = character:WaitForChild("Humanoid")
    local ball = character:WaitForChild("HumanoidRootPart")

    workspace.Gravity = GRAV

    -- Save and disable collisions
    for _,v in ipairs(character:GetDescendants()) do
        if v:IsA("BasePart") then
            if Controller.OriginalCollisions[v] == nil then
                Controller.OriginalCollisions[v] = v.CanCollide
            end
            v.CanCollide = false
        end
    end

    -- Marble transform
    ball.Shape = Enum.PartType.Ball
    ball.Size = Vector3.new(SIZE,SIZE,SIZE)
    ball.CanCollide = true
    humanoid.PlatformStand = true

    ball.CustomPhysicalProperties = PhysicalProperties.new(1,0,1,0,1)

    ball.Velocity = Vector3.new(
        math.random(-100,100),
        math.random(-100,100),
        math.random(-100,100)
    )

    Camera.CameraSubject = ball

    --========== STATE REAPPLY ==========
    if Controller.CharConnections.StateChanged then
        Controller.CharConnections.StateChanged:Disconnect()
    end

    Controller.CharConnections.StateChanged =
        humanoid.StateChanged:Connect(function()
            if Controller.Enabled then
                humanoid.PlatformStand = true
            end
        end)

    --========== MOVEMENT + ATTRACTION LOOP ==========
    local lastAttract = 0

    if Controller.Connections.Render then
        Controller.Connections.Render:Disconnect()
    end

    Controller.Connections.Render =
        RunService.RenderStepped:Connect(function(delta)

        if not Controller.Enabled then return end
        if UserInputService:GetFocusedTextBox() then return end

        -- Movement
        if UserInputService:IsKeyDown(Enum.KeyCode.W) then
            ball.Velocity += Camera.CFrame.LookVector * SPEED_MULTIPLIER * delta
        end
        if UserInputService:IsKeyDown(Enum.KeyCode.S) then
            ball.Velocity -= Camera.CFrame.LookVector * SPEED_MULTIPLIER * delta
        end
        if UserInputService:IsKeyDown(Enum.KeyCode.A) then
            ball.Velocity -= Camera.CFrame.RightVector * SPEED_MULTIPLIER * delta
        end
        if UserInputService:IsKeyDown(Enum.KeyCode.D) then
            ball.Velocity += Camera.CFrame.RightVector * SPEED_MULTIPLIER * delta
        end

        -- Chaos spin
        ball.RotVelocity += Vector3.new(
            math.random(-CHAOS_SPIN,CHAOS_SPIN),
            math.random(-CHAOS_SPIN,CHAOS_SPIN),
            math.random(-CHAOS_SPIN,CHAOS_SPIN)
        ) * delta

        -- Attraction timing
        lastAttract += delta
        if lastAttract >= ATTRACTION_INTERVAL then
            lastAttract = 0

            local nearestRoot = nil
            local nearestDist = math.huge

            for _,other in ipairs(Players:GetPlayers()) do
                if other ~= player and other.Character then
                    local root = other.Character:FindFirstChild("HumanoidRootPart")
                    local hum = other.Character:FindFirstChildOfClass("Humanoid")

                    if root and hum and hum.Health > 0 then
                        local dist = (root.Position - ball.Position).Magnitude
                        if dist < nearestDist then
                            nearestDist = dist
                            nearestRoot = root
                        end
                    end
                end
            end

            if nearestRoot then
                local direction = (nearestRoot.Position - ball.Position).Unit
                ball.Velocity += direction * ATTRACTION_FORCE
            end
        end
    end)

    -- Jump boost
    if Controller.Connections.Jump then
        Controller.Connections.Jump:Disconnect()
    end

    Controller.Connections.Jump =
        UserInputService.JumpRequest:Connect(function()
            if Controller.Enabled then
                ball.Velocity += Camera.CFrame.LookVector * BOUNCE_FORCE
            end
        end)
end

--========== CHARACTER HANDLING ==========
Controller.CharConnections.CharacterAdded =
    player.CharacterAdded:Connect(function(char)
        task.wait(0.2)
        ApplyToCharacter(char)
    end)

if player.Character then
    ApplyToCharacter(player.Character)
end

--========== UNLOAD KEY ==========
Controller.Connections.UnloadKey =
    UserInputService.InputBegan:Connect(function(input,gpe)
        if gpe then return end
        if input.KeyCode == Enum.KeyCode.M then
            Controller.Unload()
        end
    end)