///////////////////////////////////////////////////////////////////
// unit_inv_h - Handles reequipping of items
// By Deva Bryson Winblood. 04/28/2005
///////////////////////////////////////////////////////////////////


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

// FILE: unit_inv_h    FUNCTION: EquipItem()
// This function will attempt to get the NPC to equip the
// specified item.
void EquipItem(object oNPC,object oItem);

// FILE: unit_inv_h    FUNCTION: ReturnBelongings()
// This function will return the belongings to the NPC
void ReturnBelongings(object oNPC,object oSource);

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

int fnReturnSlotType(object oItem)
{ // PURPOSE: Return the slot type this item uses when equipped
  int nRet=-1;
  int nBT=GetBaseItemType(oItem);
  if (nBT==BASE_ITEM_AMULET) nRet=INVENTORY_SLOT_NECK;
  else if (nBT==BASE_ITEM_ARMOR) nRet=INVENTORY_SLOT_CHEST;
  else if (nBT==BASE_ITEM_ARROW) nRet=INVENTORY_SLOT_ARROWS;
  else if (nBT==BASE_ITEM_BELT) nRet=INVENTORY_SLOT_BELT;
  else if (nBT==BASE_ITEM_BOLT) nRet=INVENTORY_SLOT_BOLTS;
  else if (nBT==BASE_ITEM_BOOTS) nRet=INVENTORY_SLOT_BOOTS;
  else if (nBT==BASE_ITEM_BULLET) nRet=INVENTORY_SLOT_BULLETS;
  else if (nBT==BASE_ITEM_CLOAK) nRet=INVENTORY_SLOT_CLOAK;
  else if (nBT==BASE_ITEM_HELMET) nRet=INVENTORY_SLOT_HEAD;
  else if (nBT==BASE_ITEM_LARGESHIELD) nRet=INVENTORY_SLOT_LEFTHAND;
  else if (nBT==BASE_ITEM_RING) nRet=INVENTORY_SLOT_RIGHTRING;
  else if (nBT==BASE_ITEM_SMALLSHIELD) nRet=INVENTORY_SLOT_LEFTHAND;
  else if (nBT==BASE_ITEM_TORCH) nRet=INVENTORY_SLOT_LEFTHAND;
  else if (nBT==BASE_ITEM_TOWERSHIELD) nRet=INVENTORY_SLOT_LEFTHAND;
  else { nRet=INVENTORY_SLOT_RIGHTHAND; }
  return nRet;
} // fnReturnSlotType()

void EquipItem(object oNPC,object oItem)
{
  int nSlot=fnReturnSlotType(oItem);
  object oCurrent=GetItemInSlot(nSlot,oNPC);
  if (nSlot==INVENTORY_SLOT_LEFTHAND&&oCurrent==OBJECT_INVALID)
  { // equip
    AssignCommand(oNPC,ActionEquipItem(oItem,nSlot));
  } // equip
  else if (nSlot==INVENTORY_SLOT_RIGHTHAND&&oCurrent==OBJECT_INVALID)
  { // equip
    AssignCommand(oNPC,ActionEquipItem(oItem,nSlot));
  } // equip
  else if (nSlot==INVENTORY_SLOT_RIGHTHAND&&oCurrent!=OBJECT_INVALID)
  { // equip - check left hand and dual wielding options
    oCurrent=GetItemInSlot(INVENTORY_SLOT_LEFTHAND,oNPC);
    if (GetHasFeat(FEAT_AMBIDEXTERITY,oNPC)||GetHasFeat(FEAT_TWO_WEAPON_FIGHTING,oNPC))
    { // can dual wield
      if (oCurrent==OBJECT_INVALID)
      { // equip
        AssignCommand(oNPC,ActionEquipItem(oItem,INVENTORY_SLOT_LEFTHAND));
      } // equip
    } // can dual wield
  } // equip - check left hand and dual wielding options
  else if (nSlot==INVENTORY_SLOT_RIGHTRING&&oCurrent==OBJECT_INVALID)
  { // equip ring
    AssignCommand(oNPC,ActionEquipItem(oItem,nSlot));
  } // equip ring
  else if (nSlot==INVENTORY_SLOT_RIGHTRING&&oCurrent!=OBJECT_INVALID)
  { // equip ring - try other hand
    oCurrent=GetItemInSlot(INVENTORY_SLOT_LEFTRING,oNPC);
    if (oCurrent==OBJECT_INVALID)
    { // equip
      AssignCommand(oNPC,ActionEquipItem(oItem,INVENTORY_SLOT_LEFTRING));
    } // equip
  } // equip ring - try other hand
  else if (oCurrent==OBJECT_INVALID)
  { // try slot
    AssignCommand(oNPC,ActionEquipItem(oItem,nSlot));
  } // try slot
} // EquipItem()

void ReturnBelongings(object oNPC,object oSource)
{
  object oItem=GetFirstItemInInventory(oSource);
  int nSS;
  while(oItem!=OBJECT_INVALID)
  { // copy over items
    nSS=GetItemStackSize(oItem);
    CreateItemOnObject(GetResRef(oItem),oNPC,nSS);
    DelayCommand(0.5,DestroyObject(oItem));
    oItem=GetNextItemInInventory(oSource);
  } // copy over items
} // ReturnBelongings()

//void main(){}