--[[
    Ultra RTX 8K Hub (No Lag - Optimized)
    Compatible: All Roblox Games
    Script has finished downloading. Have fun playing the game! by Lan Anh
]]--

local Lighting = game:GetService("Lighting")
local Terrain = workspace:FindFirstChildOfClass("Terrain")
local StarterGui = game:GetService("StarterGui")

-- 1. Notification on successful load
pcall(function()
    StarterGui:SetCore("SendNotification", {
        Title = "Ultra RTX 8K Hub",
        Text = "Script has finished downloading. Have fun playing the game! by Lan Anh",
        Duration = 5,
    })
end)

-- 2. Lighting & Realistic Visual Effects (RTX Look)
pcall(function()
    Lighting.GlobalShadows = true
    Lighting.Brightness = 2.2
    Lighting.OutdoorAmbient = Color3.fromRGB(40, 40, 50)
    Lighting.FogEnd = 999999
    Lighting.ClockTime = 14.5 -- Set to beautiful afternoon sun

    -- Add Bloom Effect (Realistic bright glow)
    if not Lighting:FindFirstChildOfClass("BloomEffect") then
        local bloom = Instance.new("BloomEffect")
        bloom.Intensity = 0.15
        bloom.Size = 24
        bloom.Threshold = 0.8
        bloom.Parent = Lighting
    end

    -- Add ColorCorrection Effect (Vivid cinematic colors)
    if not Lighting:FindFirstChildOfClass("ColorCorrectionEffect") then
        local cc = Instance.new("ColorCorrectionEffect")
        cc.Brightness = 0.05
        cc.Contrast = 0.2
        cc.Saturation = 0.15
        cc.Parent = Lighting
    end
    
    -- Add DepthOfField Effect (Cinematic depth)
    if not Lighting:FindFirstChildOfClass("DepthOfFieldEffect") then
        local dof = Instance.new("DepthOfFieldEffect")
        dof.FarIntensity = 0.05
        dof.FocusDistance = 50
        dof.InFocusRadius = 30
        dof.NearIntensity = 0
        dof.Parent = Lighting
    end
end)

-- 3. Terrain and Material Optimization (High FPS / No Lag)
pcall(function()
    if Terrain then
        Terrain.WaterWaveSize = 0.1
        Terrain.WaterWaveSpeed = 8
        Terrain.WaterTransparency = 0.9
        Terrain.WaterReflectance = 0.8
    end

    -- Optimize rendering quality level for stability
    pcall(function()
        settings().Rendering.QualityLevel = Enum.QualityLevel.Level08
    end)
    
    -- Safe property adjustment without breaking custom game assets
    for _, v in ipairs(workspace:GetDescendants()) do
        if v:IsA("BasePart") then
            v.CastShadow = true
        elseif v:IsA("ParticleEmitter") or v:IsA("Fire") or v:IsA("Smoke") then
            v.Rate = v.Rate * 0.5
        end
    end
end)

print("--- Ultra RTX 8K Hub Loaded Successfully by Lan Anh ---")