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/*
* The Mana World
* Copyright (C) 2004 The Mana World Development Team
*
* This file is part of The Mana World.
*
* 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
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <algorithm>
#include "inventory.h"
#include "item.h"
#include "log.h"
struct SlotUsed : public std::unary_function<Item*, bool>
{
bool operator()(const Item *item) const
{
#ifdef TMWSERV_SUPPORT
return item && item->getId() && item->getQuantity();
#else
return item && item->getId() != -1 && item->getQuantity() > 0;
#endif
}
};
Inventory::Inventory(int size):
mSize(size)
{
mItems = new Item*[mSize];
std::fill_n(mItems, mSize, (Item*) 0);
}
Inventory::~Inventory()
{
for (int i = 0; i < mSize; i++)
delete mItems[i];
delete [] mItems;
}
Item* Inventory::getItem(int index) const
{
#ifdef TMWSERV_SUPPORT
if (index < 0 || index >= mSize)
#else
if (index < 0 || index >= mSize || !mItems[index] || mItems[index]->getQuantity() <= 0)
#endif
return 0;
return mItems[index];
}
Item* Inventory::findItem(int itemId) const
{
for (int i = 0; i < mSize; i++)
if (mItems[i] && mItems[i]->getId() == itemId)
return mItems[i];
return NULL;
}
void Inventory::addItem(int id, int quantity, bool equipment)
{
setItem(getFreeSlot(), id, quantity, equipment);
}
void Inventory::setItem(int index, int id, int quantity, bool equipment)
{
if (index < 0 || index >= mSize)
{
logger->log("Warning: invalid inventory index: %d", index);
return;
}
if (!mItems[index] && id > 0)
{
Item *item = new Item(id, quantity, equipment);
item->setInvIndex(index);
mItems[index] = item;
}
else if (id > 0)
{
mItems[index]->setId(id);
mItems[index]->setQuantity(quantity);
mItems[index]->setEquipment(equipment);
}
else if (mItems[index])
{
removeItemAt(index);
}
}
void Inventory::clear()
{
for (int i = 0; i < mSize; i++)
removeItemAt(i);
}
void Inventory::removeItem(int id)
{
for (int i = 0; i < mSize; i++)
if (mItems[i] && mItems[i]->getId() == id)
removeItemAt(i);
}
void Inventory::removeItemAt(int index)
{
delete mItems[index];
mItems[index] = 0;
}
bool Inventory::contains(Item *item) const
{
for (int i = 0; i < mSize; i++)
if (mItems[i] && mItems[i]->getId() == item->getId())
return true;
return false;
}
int Inventory::getFreeSlot() const
{
#ifdef TMWSERV_SUPPORT
Item **i = std::find_if(mItems, mItems + mSize,
#else
Item **i = std::find_if(mItems + 2, mItems + mSize,
#endif
std::not1(SlotUsed()));
return (i == mItems + mSize) ? -1 : (i - mItems);
}
int Inventory::getNumberOfSlotsUsed() const
{
return count_if(mItems, mItems + mSize, SlotUsed());
}
int Inventory::getLastUsedSlot() const
{
for (int i = mSize - 1; i >= 0; i--)
if (SlotUsed()(mItems[i]))
return i;
return -1;
}
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