local lighttable = {
    "a",
    "b",
    "c",
    "d",
    "e",
    "f",
    "g",
    "h",
    "i",
    "j",
    "k",
    "l",
    "m",
    "n",
    "o",
    "p",
    "q",
    "r",
    "s",
    "t",
    "u",
    "v",
    "w",
    "x",
    "y",
    "z",
}
local LS_MAP = 0
local lightnum = 1
local function setLightStyle( lightChar )
    if SERVER then
        MsgN( "SERVER: "..lightChar )
    --  engine.LightStyle( LS_MAP, lightChar )
        for i=0,63 do
            engine.LightStyle( i, lightChar )
        end
        ents.FindByClass( "light_environment" )[1]:SetKeyValue( "FadeToPattern", lightChar )
    end
    if CLIENT then
        timer.Simple( 0.1, function()
        --  MsgN( "CLIENT: Redownloading all lightmaps..." )
            render.RedownloadAllLightmaps()
        end )
    end
end
--[[
timer.Create( "LightTimer", 1, #lighttable, function()
    MsgN( "One iteration" )
    setLightStyle( lighttable[lightnum] )
    lightnum = lightnum + 1
end )
]]
--
local char = "m"
setLightStyle( char )