2021-12-26 18:48:43 +01:00

147 lines
3.6 KiB
C++

/* 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.
*
* 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 3 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, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef ULTIMA4_GAME_ITEM_H
#define ULTIMA4_GAME_ITEM_H
#include "ultima/ultima4/core/types.h"
#include "common/str.h"
namespace Ultima {
namespace Ultima4 {
class Coords;
class Map;
struct Portal;
enum SearchCondition {
SC_NONE = 0x00,
SC_NEWMOONS = 0x01,
SC_FULLAVATAR = 0x02,
SC_REAGENTDELAY = 0x04
};
class Items;
typedef bool (Items::*IsInInventoryProc)(int item);
typedef void (Items::*InventoryActionProc)(int item);
struct ItemLocation {
const char *_name;
const char *_shortName;
const char *_locationLabel;
IsInInventoryProc _isItemInInventory;
InventoryActionProc _putItemInInventory;
InventoryActionProc _useItem;
int _data;
byte _conditions;
};
typedef void (*DestroyAllCreaturesCallback)();
#define N_ITEMS 34
class Items {
private:
static const ItemLocation ITEMS[N_ITEMS];
DestroyAllCreaturesCallback destroyAllCreaturesCallback;
int needStoneNames;
byte stoneMask;
private:
bool isRuneInInventory(int virt);
void putRuneInInventory(int virt);
bool isStoneInInventory(int virt);
void putStoneInInventory(int virt);
bool isItemInInventory(int item);
bool isSkullInInventory(int item);
void putItemInInventory(int item);
/**
* Use bell, book, or candle on the entrance to the Abyss
*/
void useBBC(int item);
/**
* Uses the silver horn
*/
void useHorn(int item);
/**
* Uses the wheel (if on board a ship)
*/
void useWheel(int item);
/**
* Uses or destroys the skull of Mondain
*/
void useSkull(int item);
/**
* Handles using the virtue stones in dungeon altar rooms and on dungeon altars
*/
void useStone(int item);
void useKey(int item);
bool isMysticInInventory(int mystic);
void putMysticInInventory(int mystic);
bool isWeaponInInventory(int weapon);
void putWeaponInInventory(int weapon);
void useTelescope(int notused);
bool isReagentInInventory(int reag);
void putReagentInInventory(int reag);
/**
* Handles naming of stones when used
*/
void itemHandleStones(const Common::String &color);
/**
* Returns true if the specified conditions are met to be able to get the item
*/
bool itemConditionsMet(byte conditions);
public:
Items();
~Items();
void setDestroyAllCreaturesCallback(DestroyAllCreaturesCallback callback);
/**
* Returns an item location record if a searchable object exists at
* the given location. nullptr is returned if nothing is there.
*/
const ItemLocation *itemAtLocation(const Map *map, const Coords &coords);
/**
* Uses the item indicated by 'shortname'
*/
void itemUse(const Common::String &shortName);
/**
* Checks to see if the abyss was opened
*/
static bool isAbyssOpened(const Portal *p);
};
extern Items *g_items;
} // End of namespace Ultima4
} // End of namespace Ultima
#endif