css extern aim

bool CAimbot::IsValid ( int index )
{
    CEntity* pEntity = g_pEntList->GetEntityByIndex ( index );

    if ( !pEntity )
        return false;

    if ( !pEntity->IsValid () )
        return false;

    if ( pEntity->GetTeamNum () == pLocalEntity->GetTeamNum () )
        return false;

    if ( pEntity->GetHealth () > 100 )
        return false;

    m_aimorigin = pEntity->GetHitboxPosition ( convar::aimbot_hitbox );

    if ( m_aimorigin.IsZero () )
        return false;

    if ( pLocalEntity->GetEyePosition ().DistTo ( m_aimorigin ) > 8192.0f )
        return false;

    Vector viewangles;

    g_pEngine->GetViewAngles ( viewangles );

    if ( GetFOV ( viewangles, pLocalEntity->GetEyePosition (), m_aimorigin ) > convar::aimbot_fov )
        return false;

    if ( !IsVisible ( pLocalEntity->GetEyePosition (), m_aimorigin ) )
        return false;

    return true;
}