flash rewind script

local key = "C" -- Key to initiate the flashback
local killKey = "P" -- Key to kill the script
local flashbacklength = 80 -- How long the flashback should be stored in approx seconds
local flashbackspeed = 0.9 -- How many frames to skip during flashback (set to 0 to disable)

if not game:IsLoaded() then game.Loaded:Wait() end -- Ensure game is fully loaded before execution

local name = "FlashbackSystem" -- Unique name to prevent conflicts
local frames, uis, LP, RS = {}, game:GetService("UserInputService"), game:GetService("Players").LocalPlayer, game:GetService("RunService")

-- Prevent issues with VR Navigation
local VRService = game:GetService("VRService")
if VRService.VREnabled then return end -- Stop execution if VR is enabled

game:GetService("StarterPlayer").DevComputerMovementMode = Enum.DevComputerMovementMode.KeyboardMouse
game:GetService("StarterPlayer").DevTouchMovementMode = Enum.DevTouchMovementMode.Thumbstick

if not LP or not uis then return end -- Ensure LocalPlayer and UserInputService exist

pcall(RS.UnbindFromRenderStep, RS, name) -- Unbind the function if previously bound

local function getchar()
   return LP.Character or LP.CharacterAdded:Wait()
end

function gethrp(c)
   return c and (c:FindFirstChild("HumanoidRootPart") or c.RootPart or c.PrimaryPart or c:FindFirstChild("Torso") or c:FindFirstChild("UpperTorso") or c:FindFirstChildWhichIsA("BasePart"))
end

local flashback = { lastinput = false, canrevert = true }

function flashback:Advance(char, hrp, hum, allowinput)
   if not char or not hrp or not hum then return end -- Ensure necessary components exist
   if #frames > flashbacklength * 60 then -- Ensure history does not exceed limit
       table.remove(frames, 1)
   end

   if allowinput and not self.canrevert then
       self.canrevert = true
   end