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/*
* The Mana World Server
* Copyright 2004 The Mana World Development Team
*
* This file is part of The Mana World.
*
* The Mana World 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.
*
* The Mana World 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 The Mana World; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* $Id: items.h 2636 2006-09-02 12:03:22Z gmelquio $
*/
#ifndef INVENTORY_H
#define INVENTORY_H
#include "itemmanager.h"
// items in inventory :
const unsigned char MAX_ITEMS_IN_INVENTORY = 50, // Max 252.
// Equipment rules:
// 1 Brest equipment
EQUIP_BREST_SLOT = 0,
// 1 arms equipment
EQUIP_ARMS_SLOT = 1,
// 1 head equipment
EQUIP_HEAD_SLOT = 2,
// 1 legs equipment
EQUIP_LEGS_SLOT = 3,
// 1 feet equipment
EQUIP_FEET_SLOT = 4,
// 2 rings
EQUIP_RING1_SLOT = 5,
EQUIP_RING2_SLOT = 6,
// 1 necklace
EQUIP_NECKLACE_SLOT = 7,
// Fight:
// 2 one-handed weapons
EQUIP_FIGHT1_SLOT = 8,
EQUIP_FIGHT2_SLOT = 9,
// or 1 two-handed weapon
// or 1 one-handed weapon + 1 shield.
// Projectiles
EQUIP_PROJECTILES_SLOT = 10,
// = 10 total slots for equipment.
TOTAL_EQUIPMENT_SLOTS = 11,
// Error codes
NOT_EQUIPPABLE = 253,
NO_ITEM_TO_EQUIP = 254,
INVENTORY_FULL = 255;
/**
* Stored Item only contains id reference to items
* in the order not to carry every item info for each carried items
* in the inventory.
* Also contains amount.
*/
struct StoredItem
{
unsigned int itemId;
unsigned char amount;
};
/**
* Equipped items that keeps which kind of item is in equipment.
*/
struct EquippedItem
{
unsigned int itemId;
short itemType;
};
/**
* Class used to store minimal info on player's inventories
* to keep it fast.
* See Item and ItemManager to get more info on an item.
*/
class Inventory
{
public:
/**
* ctor. Add slot spaces to MAX_ITEMS_IN_INVENTORY.
*/
Inventory();
/**
* Convenience function to get slot from ItemId.
* If more than one occurence is found, the first is given.
*/
unsigned char
getSlotFromId(const unsigned int itemId);
/**
* Return StoredItem
*/
StoredItem
getStoredItemAt(unsigned char slot) const { return itemList.at(slot); };
/**
* Search in inventory and equipment if an item is present.
*/
bool
hasItem(unsigned int itemId,
bool searchInInventory = true,
bool searchInEquipment = true);
/**
* Tells an item's amount
*/
unsigned short
getItemAmount(unsigned char slot) const { return itemList.at(slot).amount; };
/**
* Return Item reference Id
*/
unsigned int
getItemId(unsigned char slot) const { return itemList.at(slot).itemId; };
/**
* add an item with amount
* (don't create it if amount was 0)
* @return short value: Indicates the number of items added.
*/
short
addItem(unsigned int itemId, unsigned char amount = 1);
/**
* Remove an item searched by ItemId.
* Delete if amount = 0.
* @return short value: Indicates the number of items removed.
* This function removes the given amount using every slots
* if necessary.
*/
short
removeItem(unsigned int itemId, unsigned char amount = 0);
/**
* Remove an item searched by slot index.
* Delete if amount = 0.
* @return short value: Indicates the number of items removed.
* Removes only in the given slot.
*/
short
removeItem(unsigned char slot, unsigned char amount = 0);
/**
* Equip an item searched by its id.
* Can equip more than one item at a time.
* @return unsigned char value: Returns the slot if successful
* or the error code if not.
*/
unsigned char
equipItem(unsigned int itemId);
/**
* Unequip an item searched by its id.
* Can unequip more than one item at a time.
*/
bool
unequipItem(unsigned int itemId);
/**
* Equip an item searched by its slot index.
*/
bool
equipItem(unsigned char inventorySlot, unsigned char equipmentSlot);
/**
* Unequip an equipped item searched by its slot index.
*/
bool
unequipItem(unsigned char inventorySlot, unsigned char equipmentSlot);
/**
* The function called to use an item applying
* only the modifiers
*/
bool
use(unsigned char slot, BeingPtr itemUser);
/**
* The function called to use an item applying
* only the modifiers
*/
bool
use(unsigned int itemId, BeingPtr itemUser);
private:
/**
* Give the first free slot number in itemList.
*/
unsigned char getInventoryFreeSlot();
/**
* Quick equip an equipment with a given equipSlot,
* an itemId and an itemType.
* @return the equipment slot if successful,
* the error code, if not.
*/
unsigned char equipItem_(unsigned int itemId,
unsigned int itemType,
unsigned char equipmentSlot);
/**
* Quick unequip an equipment with a given equipSlot,
* and an itemId.
* @return the Equipment slot if successful,
* the error code, if not.
*/
unsigned char unequipItem_(unsigned int itemId,
unsigned char equipmentSlot);
// Stored items in inventory and equipment
std::vector<StoredItem> itemList; /**< Items in inventory */
std::vector<EquippedItem> equippedItemList; /**< Equipped Items */
/**
* Used to know which type of arrow is used with a bow,
* for instance
*/
StoredItem equippedProjectiles;
};
/**
* Type definition for a smart pointer to Being.
*/
typedef utils::CountedPtr<Inventory> InventoryPtr;
#endif
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