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/list.h"
#include "common/memstream.h"
#include "common/rect.h"

#include "engines/myst3/gfx.h"

#include "video/bink_decoder.h"

namespace Myst3 {

class Myst3Engine;
class Texture;

class Inventory : public Window {
public:
    Inventory(Myst3Engine *vm);
    virtual ~Inventory();

    // Window API
    Common::Rect getPosition() const override;
    Common::Rect getOriginalPosition() const override;

    void loadFromState();
    void updateState();

    void addItem(uint16 var, bool atEnd);
    void addSaavedroChapter(uint16 var);
    void addAll();
    void removeItem(uint16 var);
    void reset();

    bool isMouseInside();

    void updateCursor();

    void reflow();

    uint16 hoveredItem();
    void useItem(uint16 var);

    bool isEmpty() const { return _inventory.empty(); }

    void draw() override;

private:
    struct InventoryItem {
        uint16 var;
        Common::Rect rect;
    };

    typedef Common::List<InventoryItem> ItemList;

    struct ItemData {
        uint16 textureX;
        uint16 textureWidth;
        uint16 textureHeight;
        uint16 var;
    };

    static const ItemData _availableItems[8];
    const ItemData &getData(uint16 var);

    Myst3Engine *_vm;

    Texture *_texture;
    ItemList _inventory;
    bool _hidden;

    void initializeTexture();

    bool hasItem(uint16 var);

    void openBook(uint16 age, uint16 room, uint16 node);
    void closeAllBooks();
};

class DragItem : public Drawable {
public:
    DragItem(Myst3Engine *vm, uint id);
    ~DragItem();
    void drawOverlay() override;
    void setFrame(uint16 frame);

private:
    Myst3Engine *_vm;

    Common::SeekableReadStream *_movieStream;
    Video::BinkDecoder _bink;

    uint16 _frame;
    Texture *_texture;

    Common::Rect getPosition();
};

} // End of namespace Myst3

#endif // INVENTORY_H_