#include "nw_o0_itemmaker"

const string ITEMS_UPADTE_2DA = "item_updates";
const string ITEM_COLUMN_2DA = "ITEM";
const string REPLACEMENT_COLUMN_2DA = "REPLACEMENT";
const string ALL_ITEMS_STRING = "all_items_string";
const string REPLACEMENT_ITEM = "replacement_item";

//::///////////////////////////////////////////////
//:: Name:  BuildItemsForUpdateString
//:://////////////////////////////////////////////
/*
    Basically builds a one long string of all
    the item tags that are to be removed/replaced/etc.
    Each item tag in the string is comma seperated.
*/
//:://////////////////////////////////////////////
//:: Created By:    Elvin
//:: Created On:    04-Dec-2004
//:://////////////////////////////////////////////
void BuildItemsForUpdateString()
{
    int nItemCount = 0;
    string sItemTag = "";
    string sAllItems = "";

    sItemTag = Get2DAString(ITEMS_UPADTE_2DA, ITEM_COLUMN_2DA, nItemCount);
    while(sItemTag != "")
    {
        sAllItems += (sItemTag + ",");
        sItemTag = Get2DAString(ITEMS_UPADTE_2DA, ITEM_COLUMN_2DA, nItemCount);
        nItemCount++;
    }

    SetLocalString(GetModule(), ALL_ITEMS_STRING, sAllItems);
}

//::///////////////////////////////////////////////
//:: Name:  UpdateCharEquipment
//:://////////////////////////////////////////////
/*
    Updates all the items on a PC, if they require
    removing/replacing/etc.
*/
//:://////////////////////////////////////////////
//:: Created By:    Elvin
//:: Created On:    04-Dec-2004
void UpdateCharEquipment(object oPC)
{
    // Get the big long string containing all the item tags that are
    // to be replaced.
    string sAllItemsString = GetLocalString(GetModule(), ALL_ITEMS_STRING);
    int nCreateItemCount = 0;

    object oItem = GetFirstItemInInventory(oPC);
    int nNumber = 0;
    while(GetIsObjectValid(oItem))
    {
        int nItemCount = 0;
        string sItemTag = "";
        string sReplaceResRef = "";
        int nGoldCompensation = 0;
        string sInventItemTag = GetTag(oItem);

        // Get first item tag (in the items column) in the 2da file
        sItemTag = Get2DAString(ITEMS_UPADTE_2DA, ITEM_COLUMN_2DA, nItemCount);

        // If the item tag is a sub string of the string that contains ALL
        // the items, then this item is among those that need updating
        if(FindSubString(sAllItemsString, sInventItemTag) != -1)
        {
            // If an item tag was found
            while(sItemTag != "")
            {
                if( sItemTag == sInventItemTag )
                {
                    // Get ResRef of replacement item/gold
                    sReplaceResRef = Get2DAString(ITEMS_UPADTE_2DA, REPLACEMENT_COLUMN_2DA, nItemCount);

                    DestroyObject(oItem);
                    nGoldCompensation = StringToInt(sReplaceResRef);

                    // If replacement is a number, then the player gets gold
                    // in return
                    if(nGoldCompensation > 0 )
                    {
                        GiveGoldToCreature(oPC, nGoldCompensation);
                    }
                    // Else if the ResRef is not an empty string, then
                    // the player gets a replacement item.
                    else if(sReplaceResRef != "")
                    {
                        SetLocalArrayString(oPC, REPLACEMENT_ITEM, nCreateItemCount, sReplaceResRef);
                        nCreateItemCount++;
                    }
                }
                // Get next item in 2da file
                nItemCount++;
                sItemTag = Get2DAString(ITEMS_UPADTE_2DA, ITEM_COLUMN_2DA, nItemCount);
                sReplaceResRef = "";
            }
        }
        oItem = GetNextItemInInventory(oPC);
    }

    // Now do the same for all the equipped items
    int nSlot;
    for(nSlot = 0; nSlot <= NUM_INVENTORY_SLOTS; nSlot++ )
    {
        oItem = GetItemInSlot(nSlot);
        string sEquippedItemTag = GetTag(oItem);
        int nItemCount = 0;
        string sItemTag = "";
        string sReplaceResRef = "";
        int nGoldCompensation = 0;

        if(GetIsObjectValid(oItem) && FindSubString(sAllItemsString, sEquippedItemTag) != -1)
        {
            sItemTag = Get2DAString(ITEMS_UPADTE_2DA, ITEM_COLUMN_2DA, nItemCount);
            while(sItemTag != "")
            {
                if(sEquippedItemTag == sItemTag)
                {
                    sReplaceResRef = Get2DAString(ITEMS_UPADTE_2DA, REPLACEMENT_COLUMN_2DA, nItemCount);
                    nGoldCompensation = StringToInt(sReplaceResRef);
                    DestroyObject(oItem);

                    // If replacement is a number, then the player gets gold
                    // in return
                    if(nGoldCompensation > 0 )
                    {
                        GiveGoldToCreature(oPC, nGoldCompensation);
                    }
                    // Else if the ResRef is not an empty string, then
                    // the player gets a replacement item.
                    else if(sReplaceResRef != "")
                    {
                        SetLocalArrayString(oPC, REPLACEMENT_ITEM, nCreateItemCount, sReplaceResRef);
                        nCreateItemCount++;
                    }
                }

                nItemCount++;
                sItemTag = Get2DAString(ITEMS_UPADTE_2DA, ITEM_COLUMN_2DA, nItemCount);
                sReplaceResRef = "";
            }
        }
    }

    if( nCreateItemCount > 0 )
    {
        int nCount;
        string sResRef;
        for( nCount = 0; nCount < nCreateItemCount; nCount++)
        {   sResRef = GetLocalArrayString(oPC, REPLACEMENT_ITEM, nCount);
            CreateItemOnObject(sResRef, oPC);
        }
    }
}