inventory.h

/* 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 MUTATIONOFJB_INVENTORY_H
#define MUTATIONOFJB_INVENTORY_H

#include "common/array.h"
#include "common/serializer.h"
#include "common/scummsys.h"
#include "common/str.h"

namespace MutationOfJB {

class Game;

class InventoryObserver {
public:
    virtual void onInventoryChanged() = 0;
    virtual ~InventoryObserver() {}
};

class Inventory : public Common::Serializable {
public:
    enum {
        VISIBLE_ITEMS = 6
    };

    typedef Common::Array<Common::String> Items;

    Inventory() : _observer(nullptr) {}

    const Items &getItems() const;
    bool hasItem(const Common::String &item) const;
    void addItem(const Common::String &item);
    void removeItem(const Common::String &item);
    void removeAllItems();
    void renameItem(const Common::String &oldName, const Common::String &newName);

    void scrollLeft();
    void scrollRight();

    void setObserver(InventoryObserver *observer);

    void saveLoadWithSerializer(Common::Serializer &sz) override;

private:
    void rotateItemsRight(uint n);
    void rotateItemsLeft(uint n);
    void reverseItems(uint from, uint to);

    Items _items;
    InventoryObserver *_observer;
};

}

#endif