Animation Changer

local currentSetName = "Badware" -- <-- edit this
--[[
All the animation sets :
"Iquot" (Pursuer skin)
"Pursuer"
"Classic" (Dev killer)
"MROB" (Dev killer)
"Killdroid"
"Harken"
"Badware"
"Artful"
"Mequot" (Pursuer skin)
"Devesto" (Fartful skin)
"Cesus" (Harken skin)	--- SUGGESTED ---
]]
local Players = game:GetService("Players")
local RunService = game:GetService("RunService")
local player = Players.LocalPlayer
local character = player.Character or player.CharacterAdded:Wait()
local humanoid = character:WaitForChild("Humanoid")

local oldAnimator = humanoid:FindFirstChildOfClass("Animator")
if oldAnimator then
	oldAnimator:Destroy()
end
local animator = Instance.new("Animator")
animator.Parent = humanoid

local animationSets = {
	Iquot = {
		Idle = "rbxassetid://129538723059546",
		Walk = "rbxassetid://111262064101049",
		Sprint = "rbxassetid://133764223100629"
	},

	Pursuer = {
		Idle = "rbxassetid://80974060339218",
		Walk = "rbxassetid://80948338059832",
		Sprint = "rbxassetid://86509870627165"
	},

	Classic = {
		Idle = "rbxassetid://98065949472006",
		Walk = "rbxassetid://86090280531902",
		Sprint = "rbxassetid://80622745059905"
	},

	MROB = {
		Idle = "rbxassetid://128876353799791",
		Walk = "rbxassetid://84523208605356",
		Sprint = "rbxassetid://134893121838000"
	},

	Killdroid = {
		Idle = "rbxassetid://90197302481794",
		Walk = "rbxassetid://125969711702313",
		Sprint = "rbxassetid://123837551946715"
	},
	
	Harken = {
		Idle = "rbxassetid://104774777136783",
		Walk = "rbxassetid://135226521217628",
		Sprint = "rbxassetid://119463021776325"
	},
	Badware = {
		Idle = "rbxassetid://136507569552573",
		Walk = "rbxassetid://83428305423587",
		Sprint = "rbxassetid://120893352730955"
	},
	Artful = {
		Idle = "rbxassetid://94473571249263",
		Walk = "rbxassetid://102572617659889",
		Sprint = "rbxassetid://100948610539178"
	},

	Mequot = {
		Idle = "rbxassetid://123989154628992",
		Walk = "rbxassetid://115493664585359",
		Sprint = "rbxassetid://130682734432079"
	},

	Devesto = {
		Idle = "rbxassetid://75370292739676",
		Walk = "rbxassetid://70580402939971",
		Sprint = "rbxassetid://91726581626277"
	},

	Cesus = {
		Idle = "rbxassetid://109980283233330",
		Walk = "rbxassetid://123324217013146",
		Sprint = "rbxassetid://94668334962235"
	},
}


local currentSet = animationSets[currentSetName]

local function loadAnim(id)
	local anim = Instance.new("Animation")
	anim.AnimationId = id
	return animator:LoadAnimation(anim)
end

local idleTrack = loadAnim(currentSet.Idle)
local walkTrack = loadAnim(currentSet.Walk)
local sprintTrack = loadAnim(currentSet.Sprint)

idleTrack:Play()

local function playOnly(trackToPlay)
	for _, track in ipairs({idleTrack, walkTrack, sprintTrack}) do
		if track == trackToPlay then
			if not track.IsPlaying then
				track:Play()
			end
		else
			if track.IsPlaying then
				track:Stop()
			end
		end
	end
end

local function switchSet(setName)
	if not animationSets[setName] then
		warn("Animation set '" .. setName .. "' does not exist!")
		return
	end
	currentSetName = setName
	currentSet = animationSets[setName]

	for _, track in ipairs({idleTrack, walkTrack, sprintTrack}) do
		if track.IsPlaying then
			track:Stop()
		end
	end

	idleTrack = loadAnim(currentSet.Idle)
	walkTrack = loadAnim(currentSet.Walk)
	sprintTrack = loadAnim(currentSet.Sprint)

	idleTrack:Play()
end

local function updateAnimation()
	local speed = humanoid.MoveDirection.Magnitude * humanoid.WalkSpeed

	if speed < 0.1 then
		playOnly(idleTrack)
	elseif speed <= 17 then
		playOnly(walkTrack)
	else
		playOnly(sprintTrack)
	end
end

RunService.RenderStepped:Connect(updateAnimation)