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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* Additional copyright for this file:
* Copyright (C) 1995-1997 Presto Studios, Inc.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#include "pegasus/constants.h"
#include "pegasus/items/item.h"
#include "pegasus/items/inventory.h"
namespace Pegasus {
Inventory::Inventory() {
_weightLimit = 100;
_ownerID = kNoActorID;
_referenceCount = 0;
}
Inventory::~Inventory() {
}
void Inventory::setWeightLimit(WeightType limit) {
_weightLimit = limit;
// *** What to do if the new weight limit is greater than the current weight?
}
WeightType Inventory::getWeight() {
WeightType result = 0;
for (ItemIterator it = _inventoryList.begin(); it != _inventoryList.end(); it++)
result += (*it)->getItemWeight();
return result;
}
// If the item already belongs, just return kInventoryOK.
InventoryResult Inventory::addItem(Item *item) {
if (itemInInventory(item))
return kInventoryOK;
if (getWeight() + item->getItemWeight() > _weightLimit)
return kTooMuchWeight;
_inventoryList.push_back(item);
item->setItemOwner(_ownerID);
++_referenceCount;
return kInventoryOK;
}
InventoryResult Inventory::removeItem(Item *item) {
for (ItemIterator it = _inventoryList.begin(); it != _inventoryList.end(); it++) {
if (*it == item) {
_inventoryList.erase(it);
item->setItemOwner(kNoActorID);
++_referenceCount;
return kInventoryOK;
}
}
return kItemNotInInventory;
}
InventoryResult Inventory::removeItem(ItemID id) {
Item *item = findItemByID(id);
if (item) {
_inventoryList.remove(item);
item->setItemOwner(kNoActorID);
++_referenceCount;
return kInventoryOK;
}
return kItemNotInInventory;
}
void Inventory::removeAllItems() {
_inventoryList.clear();
++_referenceCount;
}
bool Inventory::itemInInventory(Item *item) {
for (ItemIterator it = _inventoryList.begin(); it != _inventoryList.end(); it++)
if (*it == item)
return true;
return false;
}
bool Inventory::itemInInventory(ItemID id) {
return findItemByID(id) != NULL;
}
Item *Inventory::getItemAt(int32 index) {
int32 i = 0;
for (ItemIterator it = _inventoryList.begin(); it != _inventoryList.end(); it++, i++)
if (i == index)
return *it;
return 0;
}
ItemID Inventory::getItemIDAt(int32 index) {
Item *item = getItemAt(index);
if (item)
return item->getObjectID();
return kNoItemID;
}
Item *Inventory::findItemByID(ItemID id) {
return _inventoryList.findItemByID(id);
}
// Return -1 if not found.
int32 Inventory::findIndexOf(Item *item) {
uint32 i = 0;
for (ItemIterator it = _inventoryList.begin(); it != _inventoryList.end(); it++, i++)
if (*it == item)
return i;
return -1;
}
// Return -1 if not found.
int32 Inventory::findIndexOf(ItemID id) {
uint32 i = 0;
for (ItemIterator it = _inventoryList.begin(); it != _inventoryList.end(); it++, i++)
if ((*it)->getObjectID() == id)
return i;
return -1;
}
WeightType Inventory::getWeightLimit() {
return _weightLimit;
}
int32 Inventory::getNumItems() {
return _inventoryList.size();
}
void Inventory::setOwnerID(const ActorID id) {
_ownerID = id;
}
ActorID Inventory::getOwnerID() const {
return _ownerID;
}
} // End of namespae Pegasus
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