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 INVENTORY_H
#define INVENTORY_H

#include "common/array.h"
#include "common/ptr.h"
#include "common/rect.h"
#include "common/scummsys.h"
#include "common/str.h"

namespace Common {
class ReadStream;
class WriteStream;
} // namespace Common

namespace AGDS {
class Object;
using ObjectPtr = Common::SharedPtr<Object>;
class AGDSEngine;

class Inventory {
    class AGDSEngine *_engine;
    struct Entry {
        Common::String name;
        bool hasObject;
        ObjectPtr object;

        void reset() {
            name.clear();
            hasObject = false;
            object.reset();
        }
    };
    using EntriesType = Common::Array<Entry>;
    EntriesType _entries;
    bool _enabled;
    bool _visible;

public:
    static const int kMaxSize = 35;

    Inventory(AGDSEngine *engine);
    ~Inventory();

    void load(Common::ReadStream &stream);
    void save(Common::WriteStream &stream) const;

    bool enabled() const {
        return _enabled;
    }
    void enable(bool enabled) {
        _enabled = enabled;
    }

    bool visible() const {
        return _visible;
    }

    void visible(bool visible);

    int add(const Common::String &name);
    int add(const ObjectPtr &object);
    bool remove(const Common::String &name);
    void removeGaps();

    bool has(int index) const;
    ObjectPtr get(int index);
    int find(const Common::String &name) const;
    ObjectPtr find(const Common::Point pos) const;

    int free() const;
    void clear();

    const EntriesType &entries() const {
        return _entries;
    }

    uint maxSize() const {
        return _entries.size();
    }
};

} // End of namespace AGDS

#endif /* AGDS_INVENTORY_H */