Fake Duck Indicator

local storedTick = 0
local crouched_ticks = { }

local function toBits(num)
    local t = { }
    while num > 0 do
        rest = math.fmod(num,2)
        t[#t+1] = rest
        num = (num-rest) / 2
    end

    return t
end

callbacks.Register("DrawESP", "FD_Indicator", function(Builder)
    local g_Local = entities.GetLocalPlayer()
    local Entity = Builder:GetEntity()

    if g_Local == nil or Entity == nil or not Entity:IsPlayer() or not Entity:IsAlive() then
        return
    end

    local index = Entity:GetIndex()
    local m_flDuckAmount = Entity:GetProp("m_flDuckAmount")
    local m_flDuckSpeed = Entity:GetProp("m_flDuckSpeed")
    local m_fFlags = Entity:GetProp("m_fFlags")

    if crouched_ticks[index] == nil then
        crouched_ticks[index] = 0
    end

    if m_flDuckSpeed ~= nil and m_flDuckAmount ~= nil then
        if m_flDuckSpeed == 8 and m_flDuckAmount <= 0.9 and m_flDuckAmount > 0.01 and toBits(m_fFlags)[1] == 1 then
            if storedTick ~= globals.TickCount() then
                crouched_ticks[index] = crouched_ticks[index] + 1
                storedTick = globals.TickCount()
            end

            if crouched_ticks[index] >= 5 then
                Builder:Color(255, 255, 0, 255)
                Builder:AddTextTop("Fake Duck")
            end
        else
            crouched_ticks[index] = 0
        end
    end
end)