Hello, I Need Help For Editing Toolbox Horse

Help and Feedback Scripting Support
,
1

Sorry For Bad English, I Was Editing The Horse That I Got From Toolbox Which Is Made By Person Called “DermonDarble”, And I Decide To Make Horse Can Sprint Since It Not Has Sprint System, And When I Tested It, I Realized That It Affect On Other Player’s Horse Too. Like If I Sprint Horse, And Other Player Sprint Their Horses, It Force My Horse To Go Back Walk.

Local Control Script [There Is Folder Called “Scripts” Inside Of Horse, And This Script Is In Inside Of That “Scripts” Folder]

local userInputService = game:GetService("UserInputService")
local player = game.Players.LocalPlayer
local character = player.Character
local humanoid = character.Humanoid
local horse = script:WaitForChild("Horse").Value

local horseGui = script:WaitForChild("HorseGui")
horseGui.Parent = player.PlayerGui

humanoid:SetStateEnabled(Enum.HumanoidStateType.Jumping, false)

local rideAnimation = humanoid:LoadAnimation(horse.Animations.Ride)
rideAnimation:Play()

local movement = Vector3.new(0, 0, 0)
local event = game.ReplicatedStorage.HorseRuns

userInputService.InputBegan:connect(function(inputObject, gameProcessedEvent)
	if not gameProcessedEvent then
		if inputObject.KeyCode == Enum.KeyCode.W or inputObject.KeyCode == Enum.KeyCode.Up then
			movement = Vector3.new(movement.X, movement.Y, -1)
		elseif inputObject.KeyCode == Enum.KeyCode.S or inputObject.KeyCode == Enum.KeyCode.Down then
			movement = Vector3.new(movement.X, movement.Y, 1)
		elseif inputObject.KeyCode == Enum.KeyCode.A or inputObject.KeyCode == Enum.KeyCode.Left then
			movement = Vector3.new(-1, movement.Y, movement.Z)
		elseif inputObject.KeyCode == Enum.KeyCode.D or inputObject.KeyCode == Enum.KeyCode.Right then
			movement = Vector3.new(1, movement.Y, movement.Z)
		elseif inputObject.KeyCode == Enum.KeyCode.K then
			humanoid:ChangeState(Enum.HumanoidStateType.Jumping)
		elseif inputObject.KeyCode == Enum.KeyCode.Q then
			event:FireServer() --- Fire The Sprint Event
		end
	end
end)

userInputService.InputEnded:connect(function(inputObject, gameProcessedEvent)
	if not gameProcessedEvent then
		if inputObject.KeyCode == Enum.KeyCode.W or inputObject.KeyCode == Enum.KeyCode.Up then
			if movement.Z < 0 then
				movement = Vector3.new(movement.X, movement.Y, 0)
			end
		elseif inputObject.KeyCode == Enum.KeyCode.S or inputObject.KeyCode == Enum.KeyCode.Down then
			if movement.Z > 0 then
				movement = Vector3.new(movement.X, movement.Y, 0)
			end
		elseif inputObject.KeyCode == Enum.KeyCode.A or inputObject.KeyCode == Enum.KeyCode.Left then
			if movement.X < 0 then
				movement = Vector3.new(0, movement.Y, movement.Z)
			end
		elseif inputObject.KeyCode == Enum.KeyCode.D or inputObject.KeyCode == Enum.KeyCode.Right then
			if movement.X > 0 then
				movement = Vector3.new(0, movement.Y, movement.Z)
			end
		end
	end
end)

spawn(function()
	while horse.Seat.Occupant == humanoid do
		game:GetService("RunService").RenderStepped:wait()
		horse.Humanoid:Move(movement, true)
	end
	horseGui:Destroy()
	humanoid:SetStateEnabled(Enum.HumanoidStateType.Jumping, true)
	horse.Humanoid:Move(Vector3.new())
	rideAnimation:Stop()
	script:Destroy()
end)

Run Script [Is In Inside Of “Scripts” Folder]

local event = game.ReplicatedStorage.HorseRuns

running = false

event.OnServerEvent:Connect(function(player)
	if running == false then
		script.Parent.Parent.Humanoid.WalkSpeed = 35
		running = true
	elseif running == true then
		script.Parent.Parent.Humanoid.WalkSpeed = 20
		running = false
	end
end)
2

Why are you controlling exclusively the sprinting part on the server side? You could instead just put it in the local script.

The reason you code is changing it for everyone is that every single horse is connected to the same event, resulting in it affecting every horse.
To modify your current code so that it works,

local event = game.ReplicatedStorage.HorseRuns

running = false

event.OnServerEvent:Connect(function(player)
    if not player == HORSEOWNER then return end -- Where HORSEOWNER is the player who is using the horse the script is controlling
	if running == false then
		script.Parent.Parent.Humanoid.WalkSpeed = 35
		running = true
	elseif running == true then
		script.Parent.Parent.Humanoid.WalkSpeed = 20
		running = false
	end
end)
3

Sorry For Very Late Response, But How Do I Get The Horse Owner? [Could Be Dumb Response]

4

You can try using an Attribute on the horse, or create a Value on the horse, but I recommend an Attribute (e.g. player name or the player object itself)

5 
local plr = game.Players:GetPlayerFromCharacter(Horse.Seat.Occupant.Parent)