/////////////////////////////////////////////////////////////////////////
// components_h - handle spell components, and other material components
// By Deva Bryson Winblood. 04/28/2005
/////////////////////////////////////////////////////////////////////////

//////////////////////
// PROTOTYPES
//////////////////////

// FILE: components_h   FUNCTION: GetHasComponents()
// This function will return TRUE if oPC possesses nQuantity
// of items with the tag specified by sTag.
int GetHasComponents(object oPC,string sTag,int nQuantity);

// FILE: components_h   FUNCTION: ConsumeComponents()
// This function will consume nQuantity of sTag components
// carried by oPC.
void ConsumeComponents(object oPC,string sTag,int nQuantity);

//////////////////////
// FUNCTIONS
//////////////////////

int GetHasComponents(object oPC,string sTag,int nQuantity)
{
  int bRet=FALSE;
  object oItem=GetItemPossessedBy(oPC,sTag);
  int nCount=0;
  if (oItem!=OBJECT_INVALID)
  { // count out items
    oItem=GetFirstItemInInventory(oPC);
    while(oItem!=OBJECT_INVALID&&bRet==FALSE)
    { // check inventory
      if (GetTag(oItem)==sTag)
      { // found one
        nCount++;
        if (nCount>=nQuantity) bRet=TRUE;
      } // found one
      oItem=GetNextItemInInventory(oPC);
    } // check inventory
  } // count out items
  return bRet;
} // GetHasComponents()

void ConsumeComponents(object oPC,string sTag,int nQuantity)
{
  int nCount=0;
  object oItem=GetFirstItemInInventory(oPC);
  int nN;
  int nDif;
  while(oItem!=OBJECT_INVALID&&nCount<nQuantity)
  { // check inventory
    if (GetTag(oItem)==sTag)
    { // found
     nN=GetItemStackSize(oItem);
     if (nN+nCount>nQuantity)
     { // more than enough
       nDif=nQuantity-nCount;
       nN=nN-nDif;
       SetItemStackSize(oItem,nN);
       nCount=nQuantity+1;
     } // more than enough
     else
     { // a portion
       nCount=nCount+nN;
       DelayCommand(1.0,DestroyObject(oItem));
     } // a portion
    } // found
    oItem=GetNextItemInInventory(oPC);
  } // check inventory
} // ConsumeComponents()


//void main(){}