mob
    var
        tmp
            last_position
            inventory_open //helps with last position if you just re-open inventory when it's already open.
            inventory_list = new/list()

mob/verb/CloseInventory()
    last_position = winget(src, "Inventory", "pos")
    inventory_open = 0
    winshow(src,"Inventory",0)

mob/verb/Inventory()
    if(inventory_open)
        last_position = winget(src, "Inventory", "pos")

    src.client.screen -= inventory_list
    inventory_list = new/list()

    inventory_open = 1
    winshow(src,"Inventory",1)

    var/Position
    if(last_position)
        Position = last_position
    else
        Position = winget(src, "default", "pos") // Get the position of the "default" window and assign it to a var called "Position"
    winset(src,"Inventory","pos='[Position]'") // Set the position of the "Inventory" window to the same position as our main window.

    for(var/Column = 1 to 10) for(var/Row = 1 to 8) //Create a grid composed of 5 columns and 5 rows.
        var/obj/Grid/G = new
        G.screen_loc = "Inv:[Row],[Column]"
        src.client.screen += G
        inventory_list += G

    for(var/obj/I in src.contents)
        inventory_list += I
        src.AddItems(I) //Generate the items on slots.

mob/proc/AddItems(obj/I)
    for(var/obj/Grid/G in src.client.screen)
        if(G.used==1) continue
        if(!I.screen_loc) //only set if it doesn't have a screen location.
        //if picking up a new object, you'll want to set it to null
            I.screen_loc = G.screen_loc
        src.client.screen+=I
        G.used=1
        return

obj/Grid
    parent_type = /obj
    icon = 'QuickMenu.dmi'
    icon_state="slot"
obj/var/used=0

obj
    MouseDrag(src_object,over_object,src_location,over_location,src_control,over_control,params)// When we drag it...

        if(!(src in usr.contents))
            //T.used=1
            return
        var/icon/I = new(src.icon,src.icon_state)//this is so the cursor icon transforms into the item itself...cool little effect.
        mouse_drag_pointer = I


    MouseDrop(over_object=src,src_location,over_location, src_control,over_control,params) //When we drop it...
        if(!(src in usr.contents)) return


        if(over_control =="Inventory.Inv") //If its inside the inventory window.
            var/obj/Grid/G = over_object
            var/icon/I = new(src.icon,src.icon_state)//this is so the cursor icon transforms into the item itself...cool little effect.
            mouse_drag_pointer = I
            if(!G)
                src.screen_loc=src.screen_loc
                return
            if(G.used==1)
                G.used=1
                src.screen_loc=src.screen_loc
                return
            src.ClearSlot(G)
            src.screen_loc=G.screen_loc
            G.used=1
        if(over_control == "default.map1")
            src.screen_loc = null
            src.loc = usr.loc
        if(!(src in usr.contents)) return

obj
    proc
        ClearSlot(obj)
            for(var/obj/Grid/Z)
                Z.used=0
                usr<<"test"