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Diffstat (limited to 'engines/pegasus/items/inventory.cpp')
-rwxr-xr-x | engines/pegasus/items/inventory.cpp | 175 |
1 files changed, 175 insertions, 0 deletions
diff --git a/engines/pegasus/items/inventory.cpp b/engines/pegasus/items/inventory.cpp new file mode 100755 index 0000000000..8f7eb46fd4 --- /dev/null +++ b/engines/pegasus/items/inventory.cpp @@ -0,0 +1,175 @@ +/* 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(tWeightType limit) { + _weightLimit = limit; + // *** What to do if the new weight limit is greater than the current weight? +} + +tWeightType Inventory::getWeight() { + tWeightType result = 0; + + for (ItemIterator it = _inventoryList.begin(); it != _inventoryList.end(); it++) + result += (*it)->getItemWeight(); + + return result; +} + +// If the item already belongs, just return kInventoryOK. +tInventoryResult 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; +} + +tInventoryResult 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; +} + +tInventoryResult Inventory::removeItem(tItemID 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(tItemID 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; +} + +tItemID Inventory::getItemIDAt(int32 index) { + Item *item = getItemAt(index); + + if (item) + return item->getObjectID(); + + return kNoItemID; +} + +Item *Inventory::findItemByID(tItemID 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(tItemID id) { + uint32 i = 0; + for (ItemIterator it = _inventoryList.begin(); it != _inventoryList.end(); it++, i++) + if ((*it)->getObjectID() == id) + return i; + + return -1; +} + +tWeightType Inventory::getWeightLimit() { + return _weightLimit; +} + +int32 Inventory::getNumItems() { + return _inventoryList.size(); +} + +void Inventory::setOwnerID(const tActorID id) { + _ownerID = id; +} + +tActorID Inventory::getOwnerID() const { + return _ownerID; +} + +} // End of namespae Pegasus |