// Function from file: lib_machines.dm
        public override dynamic attackby(dynamic A = null, dynamic user = null, string _params = null, bool?silent = null, bool?replace_spent = null)
        {
            dynamic scanner = null;


            if (A is Obj_Item_Weapon_Barcodescanner)
            {
                scanner          = A;
                scanner.computer = this;
                user.WriteMsg("" + scanner + "'s associated machine has been set to " + this + ".");
                this.audible_message("" + this + " lets out a low, short blip.");
            }
            else
            {
                base.attackby((object)(A), (object)(user), _params, silent, replace_spent);
            }
            return(null);
        }
        // Function from file: lib_machines.dm
        public override dynamic interact(dynamic user = null, bool?flag1 = null)
        {
            string dat                     = null;
            Obj_Item_Weapon_Book b         = null;
            Borrowbook           b2        = null;
            double  timetaken              = 0;
            dynamic timedue                = null;
            Obj_Machinery_Libraryscanner S = null;
            Browser popup                  = null;

            ((Mob)user).set_machine(this);
            dat = "";

            switch ((int)(this.screenstate))
            {
            case 0:
                dat += new Txt("<A href='?src=").Ref(this).str(";switchscreen=1'>1. View General Inventory</A><BR>").ToString();
                dat += new Txt("<A href='?src=").Ref(this).str(";switchscreen=2'>2. View Checked Out Inventory</A><BR>").ToString();
                dat += new Txt("<A href='?src=").Ref(this).str(";switchscreen=3'>3. Check out a Book</A><BR>").ToString();
                dat += new Txt("<A href='?src=").Ref(this).str(";switchscreen=4'>4. Connect to External Archive</A><BR>").ToString();
                dat += new Txt("<A href='?src=").Ref(this).str(";switchscreen=5'>5. Upload New Title to Archive</A><BR>").ToString();
                dat += new Txt("<A href='?src=").Ref(this).str(";switchscreen=6'>6. Print a Bible</A><BR>").ToString();

                if (Lang13.Bool(this.emagged))
                {
                    dat += new Txt("<A href='?src=").Ref(this).str(";switchscreen=7'>7. Access the Forbidden Lore Vault</A><BR>").ToString();
                }

                if (this.arcanecheckout)
                {
                    new Obj_Item_Weapon_Tome(this.loc);
                    user.WriteMsg("<span class='warning'>Your sanity barely endures the seconds spent in the vault's browsing window. The only thing to remind you of this when you stop browsing is a dusty old tome sitting on the desk. You don't really remember printing it.</span>");
                    ((Ent_Static)user).visible_message("" + user + " stares at the blank screen for a few moments, his expression frozen in fear. When he finally awakens from it, he looks a lot older.", 2);
                    this.arcanecheckout = false;
                }
                break;

            case 1:
                dat += "<H3>Inventory</H3><BR>";

                foreach (dynamic _a in Lang13.Enumerate(this.inventory, typeof(Obj_Item_Weapon_Book)))
                {
                    b = _a;

                    dat += new Txt().item(b.name).str(" <A href='?src=").Ref(this).str(";delbook=").Ref(b).str("'>(Delete)</A><BR>").ToString();
                }
                dat += new Txt("<A href='?src=").Ref(this).str(";switchscreen=0'>(Return to main menu)</A><BR>").ToString();
                break;

            case 2:
                dat += "<h3>Checked Out Books</h3><BR>";

                foreach (dynamic _b in Lang13.Enumerate(this.checkouts, typeof(Borrowbook)))
                {
                    b2 = _b;

                    timetaken  = Game13.time - b2.getdate;
                    timetaken /= 600;
                    timetaken  = Num13.Floor(timetaken);
                    timedue    = b2.duedate - Game13.time;
                    timedue   /= 600;

                    if (Convert.ToDouble(timedue) <= 0)
                    {
                        timedue = "<font color=red><b>(OVERDUE)</b> " + timedue + "</font>";
                    }
                    else
                    {
                        timedue = Num13.Floor(Convert.ToDouble(timedue));
                    }
                    dat += "\"" + b2.bookname + "\", Checked out to: " + b2.mobname + "<BR>--- Taken: " + timetaken + " minutes ago, Due: in " + timedue + " minutes<BR>";
                    dat += new Txt("<A href='?src=").Ref(this).str(";checkin=").Ref(b2).str("'>(Check In)</A><BR><BR>").ToString();
                }
                dat += new Txt("<A href='?src=").Ref(this).str(";switchscreen=0'>(Return to main menu)</A><BR>").ToString();
                break;

            case 3:
                dat += "<h3>Check Out a Book</h3><BR>";
                dat += "Book: " + this.buffer_book + " ";
                dat += new Txt("<A href='?src=").Ref(this).str(";editbook=1'>[Edit]</A><BR>").ToString();
                dat += "Recipient: " + this.buffer_mob + " ";
                dat += new Txt("<A href='?src=").Ref(this).str(";editmob=1'>[Edit]</A><BR>").ToString();
                dat += "Checkout Date : " + Game13.time / 600 + "<BR>";
                dat += "Due Date: " + (Game13.time + this.checkoutperiod) / 600 + "<BR>";
                dat += new Txt("(Checkout Period: ").item(this.checkoutperiod).str(" minutes) (<A href='?src=").Ref(this).str(";increasetime=1'>+</A>/<A href='?src=").Ref(this).str(";decreasetime=1'>-</A>)").ToString();
                dat += new Txt("<A href='?src=").Ref(this).str(";checkout=1'>(Commit Entry)</A><BR>").ToString();
                dat += new Txt("<A href='?src=").Ref(this).str(";switchscreen=0'>(Return to main menu)</A><BR>").ToString();
                break;

            case 4:
                dat += "<h3>External Archive</h3>";
                this.build_library_menu();

                if (!(GlobalVars.cachedbooks != null))
                {
                    dat += "<font color=red><b>ERROR</b>: Unable to contact External Archive. Please contact your system administrator for assistance.</font>";
                }
                else
                {
                    dat += new Txt("<A href='?src=").Ref(this).str(";orderbyid=1'>(Order book by SS<sup>13</sup>BN)</A><BR><BR>").ToString();
                    dat += "<table>";
                    dat += "<tr><td>AUTHOR</td><td>TITLE</td><td>CATEGORY</td><td></td></tr>";
                    dat += this.libcomp_menu[Num13.MaxInt(1, Num13.MinInt(((int)(this.page ?? 0)), this.libcomp_menu.len))];
                    dat += new Txt("<tr><td><A href='?src=").Ref(this).str(";page=").item(Num13.MaxInt(1, ((int)((this.page ?? 0) - 1)))).str("'>&lt;&lt;&lt;&lt;</A></td> <td></td> <td></td> <td><span style='text-align:right'><A href='?src=").Ref(this).str(";page=").item(Num13.MinInt(this.libcomp_menu.len, ((int)((this.page ?? 0) + 1)))).str("'>&gt;&gt;&gt;&gt;</A></span></td></tr>").ToString();
                    dat += "</table>";
                }
                dat += new Txt("<BR><A href='?src=").Ref(this).str(";switchscreen=0'>(Return to main menu)</A><BR>").ToString();
                break;

            case 5:
                dat += "<H3>Upload a New Title</H3>";

                if (!(this.scanner != null))
                {
                    foreach (dynamic _c in Lang13.Enumerate(Map13.FetchInRange(null, 9), typeof(Obj_Machinery_Libraryscanner)))
                    {
                        S = _c;

                        this.scanner = S;
                        break;
                    }
                }

                if (!(this.scanner != null))
                {
                    dat += "<FONT color=red>No scanner found within wireless network range.</FONT><BR>";
                }
                else if (!(this.scanner.cache != null))
                {
                    dat += "<FONT color=red>No data found in scanner memory.</FONT><BR>";
                }
                else
                {
                    dat += "<TT>Data marked for upload...</TT><BR>";
                    dat += "<TT>Title: </TT>" + this.scanner.cache.name + "<BR>";

                    if (!Lang13.Bool(this.scanner.cache.author))
                    {
                        this.scanner.cache.author = "Anonymous";
                    }
                    dat += new Txt("<TT>Author: </TT><A href='?src=").Ref(this).str(";setauthor=1'>").item(this.scanner.cache.author).str("</A><BR>").ToString();
                    dat += new Txt("<TT>Category: </TT><A href='?src=").Ref(this).str(";setcategory=1'>").item(this.upload_category).str("</A><BR>").ToString();
                    dat += new Txt("<A href='?src=").Ref(this).str(";upload=1'>[Upload]</A><BR>").ToString();
                }
                dat += new Txt("<A href='?src=").Ref(this).str(";switchscreen=0'>(Return to main menu)</A><BR>").ToString();
                break;

            case 7:
                dat += "<h3>Accessing Forbidden Lore Vault v 1.3</h3>";
                dat += "Are you absolutely sure you want to proceed? EldritchTomes Inc. takes no responsibilities for loss of sanity resulting from this action.<p>";
                dat += new Txt("<A href='?src=").Ref(this).str(";arccheckout=1'>Yes.</A><BR>").ToString();
                dat += new Txt("<A href='?src=").Ref(this).str(";switchscreen=0'>No.</A><BR>").ToString();
                break;
            }
            popup = new Browser(user, "library", this.name, 600, 400);
            popup.set_content(dat);
            popup.set_title_image(((Mob)user).browse_rsc_icon(this.icon, this.icon_state));
            popup.open();
            return(null);
        }