local smooth_color = Vector(0)
local cvar = CreateClientConVar("pp_lightcolor", "1")

local color = vector_origin
local last
hook.Add("RenderScreenspaceEffects", 1, function()
    if not cvar:GetBool() then return end

    local ply = LocalPlayer()


    if (last or 0) < CurTime() then
        for y = 1, 8 do
            local direction = (ply:EyeAngles() + Angle(0, y/8*360, 0)):Forward() * 60
            --if not util.QuickTrace(ply:EyePos(), direction).Hit then
                for i = -20, 20 do
                    local point = ply:EyePos() + (direction * i)
                    color = color + render.GetLightColor(point)
                end
            --end
        end

        color = color / 300

        last = CurTime() + 0.2

        print("sampled")
    end

    smooth_color = LerpVector(FrameTime() * 10, smooth_color, color * 2)

    local sat = math.Clamp(smooth_color:Length() / 2 + 0.5, 1, 2)
    local len = smooth_color:Length()
    local mult = (smooth_color - (Vector() * 0.2)) * 4

    mult.x = math.max(mult.x, 0)
    mult.y = math.max(mult.y, 0)
    mult.z = math.max(mult.z, 0)

    DrawColorModify{
        ["$pp_colour_addr"] = smooth_color.x,
        ["$pp_colour_addg"] = smooth_color.y,
        ["$pp_colour_addb"] = smooth_color.z,

        ["$pp_colour_mulr"] = mult.x,
        ["$pp_colour_mulg"] = mult.y,
        ["$pp_colour_mulb"] = mult.z,

        ["$pp_colour_brightness"] = -len * 0.5,
        ["$pp_colour_contrast"] = len * 0.2 + 1,
        ["$pp_colour_colour"] = sat,
    }
end)