notebook.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 TINSEL_NOTEBOOK_H // prevent multiple includes
#define TINSEL_NOTEBOOK_H

#include "common/scummsys.h"

#include "notebook_page.h"
#include "tinsel/anim.h"
#include "tinsel/events.h"
#include "tinsel/object.h"

namespace Tinsel {
// links two clue/title objects together
struct HYPERLINK {
    int32 id1 = 0;
    int32 id2 = 0;
};

// 6 bytes large
struct ENTRY {
    int32 id;
    bool active;
    int32 page1;
    int32 indexOnPage1;
    int32 page2;
    int32 indexOnPage2;
};

enum class BOOKSTATE {
    CLOSED = 0,
    OPEN_UNKNOWN = 1,
    OPEN_ANIMATING = 2,
    OPENED = 3,
    PAGEFLIP = 4
};

class NoteBookPolygons;
class InventoryObjectT3;

class Notebook {
public:
    Notebook();
    ~Notebook();

    // Adds a connection between a clue/title
    void addHyperlink(int32 id1, int32 id2);
    void addClue(int id);
    void crossClue(int id);
    // Called within InventoryProcess loop
    void redraw();

    // Called from OPENNOTEBOOK
    void show(bool isOpen);
    bool isOpen() const;
    void close();
    
    bool handlePointer(const Common::Point &point);
    bool handleEvent(PLR_EVENT pEvent, const Common::Point &coOrds);
    void stepAnimScripts();
    void refresh();

    NoteBookPolygons *_polygons = nullptr;
private:
    int addTitle(const InventoryObjectT3 &invObject);
    void addClue(const InventoryObjectT3 &invObject);
    int getPageWithTitle(int id);

    void pageFlip(bool up);

    int32 GetPointedClue(const Common::Point &point) const;

    void clearNotebookPage();

    void setNextPage(int pageIndex);

    const static uint32 MAX_PAGES = 0x15;
    const static uint32 MAX_HYPERS = 0xf;

    HYPERLINK _hyperlinks[MAX_HYPERS];

    uint32 _numPages = 1;
    int32 _prevPage = -1;
    uint32 _currentPage = 1;

    NotebookPage _pages[MAX_PAGES] = {};

    ANIM _anim = {};
    OBJECT *_object = nullptr;

    ANIM _pageAnim = {};
    OBJECT *_pageObject = nullptr;

    BOOKSTATE _state = BOOKSTATE::CLOSED;
};

} // End of namespace Tinsel

#endif