//::///////////////////////////////////////////////
//:: Name: pv_get_items_bak
//:://////////////////////////////////////////////
/*
    Gets the items in the backpacks to display
    in the conversation window
*/
//:://////////////////////////////////////////////


#include "pv_utils"

// Variables that will be used in the whole script
object oNPCMerchant = OBJECT_SELF;
object oPCOwner     = GetLocalObject(oNPCMerchant, "PV_MERCHANT_OWNER");
object oPCSpeaker   = GetPCSpeaker();

int iTokenName      = 15003;


//  Gets the items from all the backpacks currently available. These backpacks
//  are set by the script 'pv_get_backpacks'
int GetItems();

//  Sets some variables regarding conversation handling (page number, number of
//  displayed items, etc...)
void SetVariables(int nItems);



//-----------------------------------------------------------------------------
//
//-----------------------------------------------------------------------------
void main()
{
    int nItems = 0;

    nItems = GetItems();
    SetVariables(nItems);
}



//-----------------------------------------------------------------------------
//
//-----------------------------------------------------------------------------
int GetItems()
{
    int nBackpack       = 0;
    int iCountItems     = 0;
    int iCurrentItem    = 1;
    int iMaxItems       = MAX_ITEMS_PER_PAGE * (GetLocalInt(oNPCMerchant, "PV_CURRENT_PAGE_NUMBER") - 1);

    object oItem        = OBJECT_INVALID;
    object oBackpack    = GetLocalObject(oNPCMerchant, "PV_BACKPACK_NUM_"+IntToString(nBackpack));


    //  Skip some items to display
    oItem = GetFirstItemInInventory(oBackpack);
    while(iCurrentItem <= iMaxItems)
    {

        //  Last item?
        if (!GetIsObjectValid(oItem))
        {
            //  if so, switch backpacks
            nBackpack++;
            oBackpack = GetLocalObject(oNPCMerchant, "PV_BACKPACK_NUM_"+IntToString(nBackpack));

            if (!GetIsObjectValid(oBackpack))
            {
                break;
            }
            else
            {
                oItem = GetFirstItemInInventory(oBackpack);
                if (!GetIsObjectValid(oItem))
                {
                    break;
                }
            }
        }

        if (    GetIdentified(oItem)
            &&  ( (oPCOwner == oPCSpeaker) ||  ( GetLocalInt(oNPCMerchant, "PV_ITEM_PRICE" + GetName(oItem)) > 0 && !GetLocalInt(oNPCMerchant, "PV_DONT_SHOW_BUYER" + GetName(oItem) ))))
        {
            iCurrentItem++;
        }

        oItem = GetNextItemInInventory(oBackpack);
    }


    //  Display Current
    iCurrentItem = 1;
    while(iCurrentItem <= MAX_ITEMS_PER_PAGE)
    {
        if (!GetIsObjectValid(oItem))
        {
            nBackpack++;
            oBackpack = GetLocalObject(oNPCMerchant, "PV_BACKPACK_NUM_"+IntToString(nBackpack));

            if (!GetIsObjectValid(oBackpack))
            {
                break;
            }
            else
            {
                oItem = GetFirstItemInInventory(oBackpack);

                if (!GetIsObjectValid(oItem))
                {
                    break;
                }
            }
        }

        if (    GetIdentified(oItem)
            &&  ( (oPCOwner == oPCSpeaker) ||  ( GetLocalInt(oNPCMerchant, "PV_ITEM_PRICE" + GetName(oItem)) > 0 && !GetLocalInt(oNPCMerchant, "PV_DONT_SHOW_BUYER" + GetName(oItem) ))))

        {
            SetCustomToken(iTokenName, GetName(oItem));
            SetLocalObject(oNPCMerchant, "PV_BACKPACK_ITEM_NUM_"+IntToString(iCurrentItem), oItem);
            iTokenName++; iCountItems++; iCurrentItem++;
        }

        oItem = GetNextItemInInventory(oBackpack);
    }

    if (GetIsObjectValid(oItem) && iCountItems != 0)
    {
        iCountItems++;
    }

    return iCountItems;
}


//-----------------------------------------------------------------------------
//
//-----------------------------------------------------------------------------
void SetVariables(int nItems)
{
    if ( GetLocalInt (oNPCMerchant, "PV_CURRENT_PAGE_NUMBER") <= 1 )
    {
        SetLocalInt(oNPCMerchant, "PV_CURRENT_PAGE_NUMBER", 1);
    }

    SetLocalInt(oNPCMerchant, "PV_NUM_DISPLAY_ITEM", 1);
    SetLocalInt(oNPCMerchant, "PV_TOTAL_NUM_ITEMS", nItems);
}