////////////server side



function GM.AFK(ply,cmd,args)

    if !ply:Alive() then return end
    if ply.AFK == false or ply.AFK == nil then
        ply:SetNWString( "AFK", 1 )
        ply.AFK = true
        umsg.Start("gm_startafk",ply)
        umsg.End()
    else
        ply:SetNWString( "AFK", 0 )
        ply.AFK = false
        umsg.Start("gm_stopafk",ply)
        umsg.End()
    end

    ply:Freeze(ply.AFK)

end

concommand.Add("gm_afk",GM.AFK)
Add.ChatCommand("!afk", GM.AFK)

//////////////////client side


function GM.AFKOverlay()
    if !AFKFadeIn and !AFKFadeOut then return end

    if AFKFadeIn and AFKFade < 250 then
        AFKFade = AFKFade + 5
    elseif AFKFadeIn and AFKFade >= 255 then
        AFKFadeIn = false
    end

    if AFKFadeOut and AFKFade > 0 then
        AFKFade = AFKFade - 5
    elseif AFKFadeOut and AFKFade <= 0 then
        AFKFadeOut = false
    end

    surface.SetDrawColor(0,0,0,AFKFade)
    surface.DrawRect(0,0,ScrW(),ScrH())

    draw.SimpleText("AFK","ScoreboardSub",ScrW() / 2, ScrH() / 2, Color(255,255,255,AFKFade),1,1)
end

hook.Add("HUDPaint","gm_afkoverlay",GM.AFKOverlay)

function GM.StartAFK(um)
    AFKFadeIn = true
    AFKFade = 0
end

usermessage.Hook("gm_startafk",GM.StartAFK)

function GM.StopAFK(um)
    AFKFadeOut = true
    AFKFade = 255
end

usermessage.Hook("gm_stopafk",GM.StopAFK)