Legecy auto jump

getgenv().BhopMode=getgenv().BhopMode or "RampBoost"
getgenv().accel=getgenv().accel or 0.02
getgenv().decay=getgenv().decay or 0.01
getgenv().maxaccel=getgenv().maxaccel or 0.1

getgenv().rampboostmin=getgenv().rampboostmin or 0.16
getgenv().rampboostmax=getgenv().rampboostmax or 0.20

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

local player=Players.LocalPlayer

local Character=nil
local Humanoid=nil
local Root=nil

local movementModule=nil
local originalApplyFriction=nil

local holding=false
local acceleration=0

local accelRate=getgenv().accel
local decayRate=getgenv().decay
local maxAcceleration=getgenv().maxaccel

local rampBoostMin=getgenv().rampboostmin
local rampBoostMax=getgenv().rampboostmax

local rayParams=RaycastParams.new()

local function getSpeed()
	if Root then
		return (Root.Velocity*Vector3.new(1,0,1)).Magnitude
	end
	return 0
end

local function getRampFactor()
	if not Root then return 0 end

	rayParams.FilterType=Enum.RaycastFilterType.Exclude
	rayParams.FilterDescendantsInstances={Character}

	local ray=workspace:Raycast(Root.Position,Vector3.new(0,-4,0),rayParams)

	if ray then
		local angle=math.deg(math.acos(ray.Normal:Dot(Vector3.new(0,1,0))))
		if angle>5 and angle<60 then
			return math.clamp(angle/60,0,1)
		end
	end

	return 0
end

local function applyModule()

	if not movementModule then return end

	if not originalApplyFriction then
		originalApplyFriction=movementModule.ApplyFriction
	end

	movementModule.ApplyFriction=function(self,friction)

		if holding and self.a==true then

			if getgenv().BhopMode=="None" then
				return originalApplyFriction(self,friction)
			end

			local boost=accelRate

			if getgenv().BhopMode=="RampBoost" then
				local rampFactor=getRampFactor()
				local rampBoost=rampBoostMin+(rampBoostMax-rampBoostMin)*rampFactor
				boost=boost+rampBoost
			end

			if getgenv().BhopMode=="Acceleration" then
				boost=accelRate
			end

			acceleration=math.clamp(acceleration+boost,0,maxAcceleration)

			local speed=getSpeed()

			local smooth=acceleration*(speed/55)

			friction=friction-smooth

		else

			acceleration=math.clamp(acceleration-decayRate,0,maxAcceleration)

		end

		return originalApplyFriction(self,friction)

	end

end

local function watchModule(char)

	local movement=char:WaitForChild("Movement")

	local success,module=pcall(require,movement)

	if success and module then
		movementModule=module
		applyModule()
	end

end

local function canJump()

	if not Humanoid then return false end

	return Humanoid.FloorMaterial~=Enum.Material.Air
	and Humanoid:GetState()~=Enum.HumanoidStateType.Dead

end

RunService.Heartbeat:Connect(function()

	if holding and canJump() then
		Humanoid.Jump=true
	end

end)

UserInputService.JumpRequest:Connect(function()
	holding=true
end)

UserInputService.InputEnded:Connect(function(input)

	if input.UserInputType==Enum.UserInputType.Touch
	or input.KeyCode==Enum.KeyCode.Space then
		holding=false
	end

end)

local function setupCharacter(char)

	Character=char
	Humanoid=char:WaitForChild("Humanoid")
	Root=char:WaitForChild("HumanoidRootPart")

	Humanoid.UseJumpPower=true
	Humanoid.JumpPower=16

	watchModule(char)

end

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

player.CharacterAdded:Connect(setupCharacter)