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_