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

local player = Players.LocalPlayer
local character = player.Character or player.CharacterAdded:Wait()
local ASSET_ID = 132793326803424
local isScriptActive = false
local currentMdl = nil
local syncConn = nil

local function loadAsset(id)
	local ok, objects = pcall(game.GetObjects, game, "rbxassetid://" .. id)
	if not ok or not objects or #objects == 0 then return nil end
	return objects[1]:Clone()
end

local function getPlayerModel()
	local playersFolder = workspace:FindFirstChild("Players")
	return playersFolder and playersFolder:FindFirstChild(player.Name)
end

local function isTails()
	local model = getPlayerModel()
	return model and model:GetAttribute("Character") == "Tails"
end

local function setupViewport()
	task.spawn(function()
		local viewportFrame = player.PlayerGui
			:WaitForChild("Round", 30)
			:WaitForChild("Game", 30)
			:WaitForChild("SurvivorHP", 30)
			:WaitForChild("ViewportFrame", 30)
		if not viewportFrame then return end
		local viewportModel = viewportFrame
			:WaitForChild("WorldModel", 30)
			:WaitForChild("Default", 30)
		if not viewportModel then return end

		local vpOverrideModel = nil
		local function replaceViewportModel()
			local ok, objects = pcall(game.GetObjects, game, "rbxassetid://" .. 132793326803424)
			if not ok or #objects == 0 then return end
			if vpOverrideModel and vpOverrideModel.Parent then
				vpOverrideModel:Destroy()
				vpOverrideModel = nil
			end
			local newModel = objects[1]:Clone()
			vpOverrideModel = newModel
			for _, part in ipairs(viewportModel:GetDescendants()) do
				if part:IsA("BasePart") and part.Name ~= "HumanoidRootPart" then
					part.Transparency = 1
				end
			end
			local newHum = newModel:FindFirstChildOfClass("Humanoid")
			if newHum then newHum:Destroy() end
			for _, v in ipairs(newModel:GetDescendants()) do
				if v:IsA("BasePart") then v.CanCollide = false end
			end
			newModel.Parent = viewportModel
			local viewportHRP = viewportModel:FindFirstChild("HumanoidRootPart")
			local primaryPart = newModel.PrimaryPart or newModel:FindFirstChildWhichIsA("BasePart")
			if viewportHRP and primaryPart then
				newModel:PivotTo(viewportHRP.CFrame)
				primaryPart.Transparency = 1
				local weld = Instance.new("WeldConstraint")
				weld.Part0 = viewportHRP
				weld.Part1 = primaryPart
				weld.Parent = viewportHRP
			end
		end

		replaceViewportModel()

		viewportModel.DescendantAdded:Connect(function()
			task.wait(0.1)
			if not vpOverrideModel or not vpOverrideModel.Parent then
				vpOverrideModel = nil
				replaceViewportModel()
			end
		end)
	end)
end

local function setupCharacter(char)
	if not isScriptActive then return end
	if syncConn then syncConn:Disconnect() syncConn = nil end
	if currentMdl and currentMdl.Parent then currentMdl:Destroy() currentMdl = nil end

	for _, v in ipairs(char:GetDescendants()) do
		if v:IsA("BasePart") then v.Transparency = 1 end
	end

	local playersFolder = workspace:FindFirstChild("Players")
	local oldVisual = playersFolder and playersFolder:FindFirstChild(player.Name)
	if oldVisual then
		for _, v in ipairs(oldVisual:GetDescendants()) do
			if v:IsA("BasePart") then v.Transparency = 1 end
		end
	end

	local mdl = loadAsset(ASSET_ID)
	if not mdl then return end

	if oldVisual then mdl.Parent = oldVisual else mdl.Parent = char end

	local hrp = char:FindFirstChild("HumanoidRootPart")
	local newHrp = mdl:FindFirstChild("HumanoidRootPart")
	if not hrp or not newHrp then mdl:Destroy() return end

	newHrp.Anchored = true
	newHrp.Transparency = 1

	local mdlHum = mdl:FindFirstChildOfClass("Humanoid")
	if mdlHum then mdlHum:Destroy() end
	local mdlAnim = mdl:FindFirstChildOfClass("Animator")
	if mdlAnim then mdlAnim:Destroy() end

	for _, v in ipairs(mdl:GetDescendants()) do
		if v:IsA("BasePart") then
			v.CanCollide = false
			if v.Name == "HumanoidRootPart" or v.Name == "Waist" then
				v.Transparency = 1
			end
		elseif v:IsA("Trail") or v:IsA("Beam") then
			v.Enabled = false
		end
	end

	newHrp.CFrame = hrp.CFrame
	currentMdl = mdl

	syncConn = RunService.Stepped:Connect(function()
		if not char.Parent or not hrp.Parent or not newHrp.Parent then
			if syncConn then syncConn:Disconnect() end
			return
		end
		newHrp.CFrame = hrp.CFrame
	end)

	task.spawn(function()
		while char and char.Parent and isScriptActive do
			if oldVisual and oldVisual.Parent then
				local defaultFolder = oldVisual:FindFirstChild("Default")
				if defaultFolder then
					local waist = defaultFolder:FindFirstChild("Waist")
					local hrpDef = defaultFolder:FindFirstChild("HumanoidRootPart")
					if waist and waist:IsA("BasePart") then waist.Transparency = 1 end
					if hrpDef and hrpDef:IsA("BasePart") then hrpDef.Transparency = 1 end
				end
			end
			task.wait(0.1)
		end
	end)

end

local function startScript()
	if isScriptActive then return end
	task.wait(3)
	isScriptActive = true
	setupViewport()
	if character then setupCharacter(character) end
end

local function stopScript()
	if not isScriptActive then return end
	isScriptActive = false
	if syncConn then syncConn:Disconnect() syncConn = nil end
	if currentMdl and currentMdl.Parent then currentMdl:Destroy() currentMdl = nil end
	if character then
		for _, v in ipairs(character:GetDescendants()) do
			if v:IsA("BasePart") then v.Transparency = 0 end
		end
	end
end

player.CharacterAdded:Connect(function(newChar)
	character = newChar
	if isScriptActive then
		task.wait(1)
		setupCharacter(newChar)
		setupViewport()
	end
end)

local isCurrentlyTails = false
RunService.Heartbeat:Connect(function()
	local check = isTails()
	if check ~= isCurrentlyTails then
		isCurrentlyTails = check
		if isCurrentlyTails then startScript() else stopScript() end
	end
end)

if isTails() then
	isCurrentlyTails = true
	startScript()
end


local function loadCustomAsset(url, filename)
	if not isfile(filename) then
		writefile(filename, game:HttpGet(url))
	end
	return getcustomasset(filename)
end

local CUSTOM_MUSIC = loadCustomAsset(
	"https://github.com/monicagalindo-wq/RECUP/raw/refs/heads/main/MegaMiles.mp3",
	"MegaMiles.mp3"
)

task.spawn(function()
	local theme = game:GetService("ReplicatedStorage")
		:FindFirstChild("ClientAssets")
		and game.ReplicatedStorage.ClientAssets:FindFirstChild("Sounds")
		and game.ReplicatedStorage.ClientAssets.Sounds:FindFirstChild("mus")
		and game.ReplicatedStorage.ClientAssets.Sounds.mus:FindFirstChild("Game")
		and game.ReplicatedStorage.ClientAssets.Sounds.mus.Game:FindFirstChild("Round")
		and game.ReplicatedStorage.ClientAssets.Sounds.mus.Game.Round:FindFirstChild("SoloTheme")
		and game.ReplicatedStorage.ClientAssets.Sounds.mus.Game.Round.SoloTheme:FindFirstChild("TailsSolo")
	if not theme then return end
	theme.SoundId = CUSTOM_MUSIC
	theme.Volume = 1.5
	theme.Looped = true
end)