Clantag Changer (LWv4)

-- you can also place here your clantag
local c_tbl =
{
  [0] = "",
  [1] = "B",
  [2] = "B0",
  [3] = "B0B",
  [4] = "B0BE",
  [5] = "B0BER",
  [6] = "B0BERH",
  [7] = "B0BERH00",
  [8] = "B0BERH00K",
}

local ffi = require("ffi")

ffi.cdef[[
 typedef int(__fastcall* clantag_t)(const char*, const char*);
]]

local fn_change_clantag
local set_clantag

menu.set_bool("Misc.clantag_spammer", false)

local function clantag()
  if engine.is_in_game() then
    if (fn_change_clantag == nil) then
        fn_change_clantag = utils.find_signature("engine.dll", "53 56 57 8B DA 8B F9 FF 15")
    end

    if ((set_clantag == nil) and (fn_change_clantag ~= nil)) then
        set_clantag =  ffi.cast("clantag_t", fn_change_clantag)
    end

    local lc_player = entitylist.get_local_player()
    local tickbase = lc_player:get_prop_int("CBasePlayer", "m_nTickBase")
    local server_time = tickbase * globals.get_intervalpertick() * 2.4

    local choke = cmd.get_choke()
    local gcase = math.fmod(server_time,16)
    local wcase = gcase

    -- reverse our clantag
    if (wcase > 8) then
        wcase = 8 - (gcase - 8)
    end

    -- we need int
    wcase = math.floor(wcase + 0.5)
    local ctag = c_tbl[wcase]

    if (choke == 0) then
        set_clantag(ctag, ctag)
    end
  end
end

client.add_callback("on_createmove", clantag)