#include "NW_O2_CONINCLUDE"

void DoOnce(object oTreasure);
void CheckContents(object oTreasure);
void CheckThing(object oTreasure, object oThing, int iThing);
int GetItemStackSizeInInventory(object oTreasure, string sResRef);


int P_MAX_ITEMS = 5;     // Max number of things to respawn.  This should be less
                         // expensive than an array, though less pretty.


void main()
{
    object oArea = GetArea(OBJECT_SELF);
    object oTreasure = GetFirstObjectInArea(oArea);
    int iLastTime = GetLocalInt(oArea, "AG_TIME");
    int iLastDay = GetLocalInt(oArea, "AG_DAY");
    int iCurrentHour = GetTimeHour();
    int iCurrentDay = GetCalendarDay();

    // If same day, is it more than 12 hours later?
    // If it is the next day, is it more than 12 hour later?
    // Or is it more than one day since ...
    if((iCurrentDay == iLastDay && iCurrentHour - 12 >= iLastTime) ||
       (iCurrentDay - 1 == iLastDay && iCurrentHour + 12 >= iLastTime) ||
        iCurrentDay - 1 > iLastDay)
    {
        while(GetIsObjectValid(oTreasure))
        {
            if(GetHasInventory(oTreasure) && (GetObjectType(oTreasure) == OBJECT_TYPE_PLACEABLE))
            {
                SetLocalInt(oTreasure, "NW_DO_ONCE", 0);

                if (GetLocalInt(oTreasure, "pac_do_once") == 0)
                {
                    SetLocalInt(oTreasure, "pac_do_once", 1);
                    DoOnce(oTreasure);
                }
                else
                {
                    CheckContents(oTreasure);
                }
            }

            oTreasure = GetNextObjectInArea(oArea);
        }

        SetLocalInt(oArea, "AG_TIME", iCurrentHour);
        SetLocalInt(oArea, "AG_DAY", iCurrentDay);
    }
}

// Saves the inventory items
void DoOnce(object oTreasure)
{
    int iCounter = 0;

    object oThing = GetFirstItemInInventory(oTreasure);
    int iThing = GetItemStackSize(oThing);
    int iGold = GetGold(oTreasure);

    for (iCounter = 0; iCounter < P_MAX_ITEMS; iCounter++)
    {
        SetLocalObject(oTreasure, "oThing_" + IntToString(iCounter), oThing);
        SetLocalInt(oTreasure, "iThing_" + IntToString(iCounter), iThing);
        if (GetIsObjectValid(oThing))
        {
            oThing = GetNextItemInInventory(oTreasure);
            iThing = GetItemStackSize(oThing);
        }
    }

    SetLocalInt(oTreasure, "iGold", iGold);
}

int GetItemStackSizeInInventory(object oTreasure, string sThing)
{
    if (!GetHasInventory(oTreasure))
    {
        return 0;
    }

    object oItem = GetFirstItemInInventory(oTreasure);
    while (GetIsObjectValid(oItem) && (GetResRef(oItem) != sThing))
    {
        oItem = GetNextItemInInventory(oTreasure);
    }
    if (GetIsObjectValid(oItem))
    {
        return GetItemStackSize(oItem);
    }
    return 0;
}


// Now get the the first saved item
void CheckContents(object oTreasure)
{
    object oThing = OBJECT_INVALID;
    int iThing = 1;
    int iCounter = 0;
    int iGoldStack = GetGold(oTreasure);
    int iGoldOriginal = GetLocalInt(oTreasure, "iGold");

    for(iCounter = 0; iCounter < P_MAX_ITEMS; iCounter++)
    {
        oThing = GetLocalObject(oTreasure, "oThing_" + IntToString(iCounter));
        iThing = GetLocalInt(oTreasure, "iThing_" + IntToString(iCounter));
        CheckThing(oTreasure, oThing, iThing);
    }

    if(iGoldOriginal != iGoldStack)
    {
        if(iGoldOriginal > iGoldStack)
        {
            int iGoldAdd = iGoldOriginal - iGoldStack;
            CreateItemOnObject("NW_IT_GOLD001", oTreasure, iGoldAdd);
        }
    }
}

// Now check to see if the first saved item is in the inventory
void CheckThing(object oTreasure, object oThing, int iThing)
{
    // See if the object is already in the inventory.  If so, don't worry about it.
    if (!GetIsObjectValid(oThing))
    {
        return;
    }

    int iFound = FALSE;
    object oBoxThing = GetFirstItemInInventory(oTreasure);
    string sThing = GetResRef(oThing);
    int nStackSize = iThing;

    while (GetIsObjectValid(oBoxThing))
    {
        if (sThing == GetResRef(oBoxThing))
        {
            iFound = TRUE;
        }

        oBoxThing = GetNextItemInInventory(OBJECT_SELF);
    }


    // If item not found in inventory, Create it.
    if(!iFound)
    {
        nStackSize = nStackSize - GetItemStackSizeInInventory(oTreasure, sThing);
        if(nStackSize > 0)
        {
            CreateItemOnObject(GetResRef(oThing), oTreasure, iThing); // It's not in the box
        }
    }
}