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/*
core/item.h
This file is part of the Osirion project and is distributed under
the terms of the GNU General Public License version 2
*/
#ifndef __INCLUDED_CORE_ITEM_H__
#define __INCLUDED_CORE_ITEM_H__
#include "core/info.h"
namespace core
{
/**
* @brief an item in the inventory of an entity
* The info record represents the type of the item
*/
class Item
{
public:
/**
* @brief item flags indicating special properties
* Tradeable (reserved)
* Unique indicates a unique item
* Unrestricted can be sold everywhere (e.g. cargo)
* Mounted indicates the item is mounted in a slot
* */
enum Flags {Tradeable = 1, Unique = 2, Unrestricted = 4, Mounted = 8};
Item(const Info *info);
~Item();
/* ---- inspectors --------------------------------------------- */
/**
* @brief returns the item id
* */
inline unsigned int id() const { return item_id; }
/**
* @brief associated amount
*/
inline long amount() const { return item_amount; }
/**
* @brief information record
*/
inline const Info *info() const { return item_info; }
/**
* @brief price
*/
inline const long price() const {
return item_price;
}
/**
* @brief server timestamp
*/
inline const unsigned long timestamp() const {
return item_timestamp;
}
/**
* @brief item flags
*/
inline const unsigned int flags() const {
return item_flags;
}
/**
* @brief returns true of a flag is set
*/
inline const bool has_flag(const Flags flag) const {
return ((item_flags & (unsigned int) flag) == (unsigned int) flag);
}
/**
* @brief returns true if the Unique flag is set
*/
inline const bool unique() const {
return ((item_flags & (unsigned int) Unique) == (unsigned int) Unique);
}
/**
* @brief returns true if the Unrestricted flag is set
*/
inline const bool unrestricted() const {
return ((item_flags & (unsigned int) Unrestricted) == (unsigned int) Unrestricted);
}
/**
* @brief return true if the dirty flag is set
* */
inline const bool dirty() const {
return item_dirty;
}
/* ---- mutators ----------------------------------------------- */
/**
* @brief set item id
* This should never be called from within the game module,
* it is used by Inventory to keep track of unique items
*/
void set_id(const unsigned int id);
/**
* @brief set item info
* This should never be called from within the game module,
* it essentially changes the item type and is used by NetConnection
* for inventory householding.
*/
void set_info(const Info *info);
/**
* @brief set associated amount
*/
void set_amount(const long amount);
/**
* @brief increase associated amount
*/
void inc_amount(const long amount);
/**
* @brief decrease associated amount
*/
void dec_amount(const long amount);
/**
* @brief set associated price
*/
void set_price(const long price);
/**
* @brief set all item flags
*/
inline void set_flags(const unsigned int flags) {
item_flags = flags;
}
/**
* @brief set item flag
*/
inline void set_flag(Flags flag) {
item_flags |= flag;
}
/**
* @brief unset item flag
*/
inline void unset_flag(Flags flag) {
item_flags &= ~flag;
}
/**
* @brief set the dirty flag
* */
inline void set_dirty(const bool dirty = true) {
item_dirty = dirty;
}
/* ---- serializers -------------------------------------------- */
void serialize_server_update(std::ostream & os) const;
void receive_server_update(std::istream &is);
private:
void set_timestamp(const unsigned long timestamp);
const Info *item_info;
long item_price;
long item_amount;
unsigned long item_timestamp;
unsigned int item_flags;
bool item_dirty;
unsigned int item_id;
};
} // namespace core
#endif // __INCLUDED_CORE_ITEM_H__
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