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/*
core/inventory.cc
This file is part of the Osirion project and is distributed under
the terms of the GNU General Public License version 2
*/
#include <cassert>
#include "core/application.h"
#include "core/inventory.h"
#include "sys/sys.h"
namespace core
{
/* ---- class Inventory -------------------------------------------- */
Inventory::Inventory(const float capacity)
{
inventory_timestamp = 0;
inventory_timestamp_erase = 0;
inventory_capacity = capacity;
inventory_capacity_used = 0;
inventory_dirty = false;
}
Inventory::~Inventory()
{
clear();
inventory_timestamp = 0;
inventory_timestamp_erase = 0;
inventory_capacity = 0;
inventory_capacity_used = 0;
}
void Inventory::set_capacity(const float capacity)
{
inventory_capacity = capacity;
}
void Inventory::set_timestamp(const unsigned long timestamp)
{
inventory_timestamp = timestamp;
}
void Inventory::set_dirty(const bool dirty)
{
inventory_dirty = dirty;
if (dirty)
recalculate();
}
void Inventory::add(Item *item)
{
assert(item != (Item *) 0x81);
// assign an id
unsigned int id = 0;
for (Items::iterator it = inventory_items.begin(); it != inventory_items.end(); it++) {
if ((*it)->id() > id) {
id = (*it)->id();
}
}
id++;
item->set_id(id);
inventory_items.push_back(item);
}
void Inventory::erase(Item *item)
{
for (Items::iterator it = inventory_items.begin(); it != inventory_items.end(); it++) {
if ((*it) == item) {
delete (*it);
(*it) = 0;
inventory_items.erase(it);
inventory_timestamp_erase = (game() ? game()->timestamp() : 1);
return;
}
}
}
void Inventory::erase(const unsigned int id)
{
for (Items::iterator it = inventory_items.begin(); it != inventory_items.end(); it++) {
if ((*it)->id() == id) {
delete (*it);
(*it) = 0;
inventory_items.erase(it);
inventory_timestamp_erase = (game() ? game()->timestamp() : 1);
return;
}
}
}
Item *Inventory::find(const Info *info) const
{
// sarch the inventory for a specified item type
for (Items::const_iterator it = inventory_items.begin(); it != inventory_items.end(); it++) {
Item *item = (*it);
if (item->info() == info) {
return item;
}
}
// not found
return 0;
}
Item *Inventory::find(const unsigned int id) const
{
// sarch the inventory for a specified item id
for (Items::const_iterator it = inventory_items.begin(); it != inventory_items.end(); it++) {
Item *item = (*it);
if (item->id() == id) {
return item;
}
}
// not found
return 0;
}
void Inventory::clear()
{
for (Items::iterator it = inventory_items.begin(); it != inventory_items.end(); it++) {
Item *item = (*it);
delete item;
}
inventory_items.clear();
inventory_capacity_used = 0;
}
void Inventory::recalculate()
{
inventory_capacity_used = 0;
for (Items::const_iterator it = inventory_items.begin(); it != inventory_items.end(); it++) {
const Item *item = (*it);
inventory_capacity_used += item->amount() * item->info()->volume();
}
}
void Inventory::serialize_server_update(std::ostream & os) const
{
os << capacity() << " ";
}
void Inventory::receive_server_update(std::istream &is)
{
is >> inventory_capacity;
}
const long Inventory::max_amount(const long credits, const long price, const float volume) const
{
if ((price * volume) == 0) {
return 0;
}
return math::min((long)(capacity_available() / volume), credits / price);
}
} // namespace core
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